diff --git a/thirdparty/libatomic_ops/LICENSE b/thirdparty/libatomic_ops/LICENSE new file mode 100644 index 0000000000..aff4d002db --- /dev/null +++ b/thirdparty/libatomic_ops/LICENSE @@ -0,0 +1,76 @@ +MIT License (core library) / GPL-2.0 (gpl extension library) + +Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. +Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. +Copyright (c) 1999-2011 Hewlett-Packard Development Company, L.P. +Copyright (c) 2005, 2007 Thiemo Seufer +Copyright (c) 2007 by NEC LE-IT. All rights reserved. +Copyright (c) 2008-2022 Ivan Maidanski +Copyright (c) 2009 Bradley Smith +Copyright (c) 2009 by Takashi Yoshii. All rights reserved. + + +Our intent is to make it easy to use libatomic_ops, in both free and +proprietary software. Hence most of code (core library) that we expect to +be linked into a client application is covered by a MIT or MIT-style license. + +However, a few library routines (the gpl extension library) are covered by +the GNU General Public License. These are put into a separate library, +libatomic_ops_gpl.a file. + +Most of the test code is covered by the GNU General Public License too. + + +The low-level (core) part of the library (libatomic_ops.a) is mostly covered +by the MIT license: + +---------------------------------------- + +Copyright (c) ... + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +-------------------------------- + + +Some files in the atomic_ops/sysdeps directory (part of core library) were +inherited in part from the Boehm-Demers-Weiser conservative garbage collector, +and are covered by its license, which is similar in spirit to MIT license: + +-------------------------------- + +Copyright (c) ... + +THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + +Permission is hereby granted to use or copy this program +for any purpose, provided the above notices are retained on all copies. +Permission to modify the code and to distribute modified code is granted, +provided the above notices are retained, and a notice that the code was +modified is included with the above copyright notice. + +---------------------------------- + + +A few files are covered by the GNU General Public License. (See file +"COPYING".) This applies only to the test code and the atomic_ops_gpl +portion of the library. Thus, atomic_ops_gpl should generally not be +linked into proprietary code. (This distinction was motivated by patent +considerations.) diff --git a/thirdparty/libatomic_ops/atomic_ops.c b/thirdparty/libatomic_ops/atomic_ops.c new file mode 100644 index 0000000000..5f33a9056b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops.c @@ -0,0 +1,265 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Initialized data and out-of-line functions to support atomic_ops.h + * go here. Currently this is needed only for pthread-based atomics + * emulation, or for compare-and-swap emulation. + * Pthreads emulation isn't useful on a native Windows platform, and + * cas emulation is not needed. Thus we skip this on Windows. + */ + +#if defined(HAVE_CONFIG_H) +# include "config.h" +#endif + +#if (defined(__hexagon__) || defined(__native_client__)) \ + && !defined(AO_USE_NO_SIGNALS) && !defined(AO_USE_NANOSLEEP) + /* Hexagon QuRT does not have sigprocmask (but Hexagon does not need */ + /* emulation, so it is OK not to bother about signals blocking). */ + /* Since NaCl is not recognized by configure yet, we do it here. */ +# define AO_USE_NO_SIGNALS +# define AO_USE_NANOSLEEP +#endif + +#if defined(AO_USE_WIN32_PTHREADS) && !defined(AO_USE_NO_SIGNALS) +# define AO_USE_NO_SIGNALS +#endif + +#if (defined(__linux__) || defined(__GLIBC__) || defined(__GNU__)) \ + && !defined(AO_USE_NO_SIGNALS) && !defined(_GNU_SOURCE) +# define _GNU_SOURCE 1 +#endif + +#undef AO_REQUIRE_CAS +#include "atomic_ops.h" /* Without cas emulation! */ + +#if !defined(_MSC_VER) && !defined(__MINGW32__) && !defined(__BORLANDC__) \ + || defined(AO_USE_NO_SIGNALS) + +#ifndef AO_NO_PTHREADS +# include +#endif + +#ifndef AO_USE_NO_SIGNALS +# include +#endif + +#ifdef AO_USE_NANOSLEEP + /* This requires _POSIX_TIMERS feature. */ +# include +# include +#elif defined(AO_USE_WIN32_PTHREADS) +# include /* for Sleep() */ +#elif defined(_HPUX_SOURCE) +# include +#else +# include +#endif + +#ifndef AO_HAVE_double_t +# include "atomic_ops/sysdeps/standard_ao_double_t.h" +#endif + +/* Lock for pthreads-based implementation. */ +#ifndef AO_NO_PTHREADS + pthread_mutex_t AO_pt_lock = PTHREAD_MUTEX_INITIALIZER; +#endif + +/* + * Out of line compare-and-swap emulation based on test and set. + * + * We use a small table of locks for different compare_and_swap locations. + * Before we update perform a compare-and-swap, we grab the corresponding + * lock. Different locations may hash to the same lock, but since we + * never acquire more than one lock at a time, this can't deadlock. + * We explicitly disable signals while we perform this operation. + * + * TODO: Probably also support emulation based on Lamport + * locks, since we may not have test_and_set either. + */ +#define AO_HASH_SIZE 16 + +#define AO_HASH(x) (((unsigned long)(x) >> 12) & (AO_HASH_SIZE-1)) + +static AO_TS_t AO_locks[AO_HASH_SIZE] = { + AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, + AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, + AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, + AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, AO_TS_INITIALIZER, +}; + +void AO_pause(int); /* defined below */ + +static void lock_ool(volatile AO_TS_t *l) +{ + int i = 0; + + while (AO_test_and_set_acquire(l) == AO_TS_SET) + AO_pause(++i); +} + +AO_INLINE void lock(volatile AO_TS_t *l) +{ + if (AO_EXPECT_FALSE(AO_test_and_set_acquire(l) == AO_TS_SET)) + lock_ool(l); +} + +AO_INLINE void unlock(volatile AO_TS_t *l) +{ + AO_CLEAR(l); +} + +#ifndef AO_USE_NO_SIGNALS + static sigset_t all_sigs; + static volatile AO_t initialized = 0; + static volatile AO_TS_t init_lock = AO_TS_INITIALIZER; + + AO_INLINE void block_all_signals(sigset_t *old_sigs_ptr) + { + if (AO_EXPECT_FALSE(!AO_load_acquire(&initialized))) + { + lock(&init_lock); + if (!initialized) + sigfillset(&all_sigs); + unlock(&init_lock); + AO_store_release(&initialized, 1); + } + sigprocmask(SIG_BLOCK, &all_sigs, old_sigs_ptr); + /* Neither sigprocmask nor pthread_sigmask is 100% */ + /* guaranteed to work here. Sigprocmask is not */ + /* guaranteed be thread safe, and pthread_sigmask */ + /* is not async-signal-safe. Under linuxthreads, */ + /* sigprocmask may block some pthreads-internal */ + /* signals. So long as we do that for short periods, */ + /* we should be OK. */ + } +#endif /* !AO_USE_NO_SIGNALS */ + +AO_t AO_fetch_compare_and_swap_emulation(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_TS_t *my_lock = AO_locks + AO_HASH(addr); + AO_t fetched_val; + +# ifndef AO_USE_NO_SIGNALS + sigset_t old_sigs; + block_all_signals(&old_sigs); +# endif + lock(my_lock); + fetched_val = *addr; + if (fetched_val == old_val) + *addr = new_val; + unlock(my_lock); +# ifndef AO_USE_NO_SIGNALS + sigprocmask(SIG_SETMASK, &old_sigs, NULL); +# endif + return fetched_val; +} + +int AO_compare_double_and_swap_double_emulation(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) +{ + AO_TS_t *my_lock = AO_locks + AO_HASH(addr); + int result; + +# ifndef AO_USE_NO_SIGNALS + sigset_t old_sigs; + block_all_signals(&old_sigs); +# endif + lock(my_lock); + if (addr -> AO_val1 == old_val1 && addr -> AO_val2 == old_val2) + { + addr -> AO_val1 = new_val1; + addr -> AO_val2 = new_val2; + result = 1; + } + else + result = 0; + unlock(my_lock); +# ifndef AO_USE_NO_SIGNALS + sigprocmask(SIG_SETMASK, &old_sigs, NULL); +# endif + return result; +} + +void AO_store_full_emulation(volatile AO_t *addr, AO_t val) +{ + AO_TS_t *my_lock = AO_locks + AO_HASH(addr); + lock(my_lock); + *addr = val; + unlock(my_lock); +} + +#else /* Non-posix platform */ + +# include + +# define AO_USE_WIN32_PTHREADS + /* define to use Sleep() */ + + extern int AO_non_posix_implementation_is_entirely_in_headers; + +#endif + +static AO_t spin_dummy = 1; + +/* Spin for 2**n units. */ +static void AO_spin(int n) +{ + AO_t j = AO_load(&spin_dummy); + int i = 2 << n; + + while (i-- > 0) + j += (j - 1) << 2; + /* Given 'spin_dummy' is initialized to 1, j is 1 after the loop. */ + AO_store(&spin_dummy, j); +} + +void AO_pause(int n) +{ + if (n < 12) + AO_spin(n); + else + { +# ifdef AO_USE_NANOSLEEP + struct timespec ts; + ts.tv_sec = 0; + ts.tv_nsec = n > 28 ? 100000L * 1000 : 1L << (n - 2); + nanosleep(&ts, 0); +# elif defined(AO_USE_WIN32_PTHREADS) + Sleep(n > 28 ? 100 /* millis */ + : n < 22 ? 1 : (DWORD)1 << (n - 22)); +# else + struct timeval tv; + /* Short async-signal-safe sleep. */ + int usec = n > 28 ? 100000 : 1 << (n - 12); + /* Use an intermediate variable (of int type) to avoid */ + /* "shift followed by widening conversion" warning. */ + + tv.tv_sec = 0; + tv.tv_usec = usec; + (void)select(0, 0, 0, 0, &tv); +# endif + } +} diff --git a/thirdparty/libatomic_ops/atomic_ops.h b/thirdparty/libatomic_ops/atomic_ops.h new file mode 100644 index 0000000000..92d1f4a3e3 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops.h @@ -0,0 +1,481 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2008-2021 Ivan Maidanski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef AO_ATOMIC_OPS_H +#define AO_ATOMIC_OPS_H + +#include "atomic_ops/ao_version.h" + /* Define version numbers here to allow */ + /* test on build machines for cross-builds. */ + +#include +#include + +/* We define various atomic operations on memory in a */ +/* machine-specific way. Unfortunately, this is complicated */ +/* by the fact that these may or may not be combined with */ +/* various memory barriers. Thus the actual operations we */ +/* define have the form AO__, for all */ +/* plausible combinations of and . */ +/* This of course results in a mild combinatorial explosion. */ +/* To deal with it, we try to generate derived */ +/* definitions for as many of the combinations as we can, as */ +/* automatically as possible. */ +/* */ +/* Our assumption throughout is that the programmer will */ +/* specify the least demanding operation and memory barrier */ +/* that will guarantee correctness for the implementation. */ +/* Our job is to find the least expensive way to implement it */ +/* on the applicable hardware. In many cases that will */ +/* involve, for example, a stronger memory barrier, or a */ +/* combination of hardware primitives. */ +/* */ +/* Conventions: */ +/* "plain" atomic operations are not guaranteed to include */ +/* a barrier. The suffix in the name specifies the barrier */ +/* type. Suffixes are: */ +/* _release: Earlier operations may not be delayed past it. */ +/* _acquire: Later operations may not move ahead of it. */ +/* _read: Subsequent reads must follow this operation and */ +/* preceding reads. */ +/* _write: Earlier writes precede both this operation and */ +/* later writes. */ +/* _full: Ordered with respect to both earlier and later memory */ +/* operations. */ +/* _release_write: Ordered with respect to earlier writes. */ +/* _acquire_read: Ordered with respect to later reads. */ +/* */ +/* Currently we try to define the following atomic memory */ +/* operations, in combination with the above barriers: */ +/* AO_nop */ +/* AO_load */ +/* AO_store */ +/* AO_test_and_set (binary) */ +/* AO_fetch_and_add */ +/* AO_fetch_and_add1 */ +/* AO_fetch_and_sub1 */ +/* AO_and */ +/* AO_or */ +/* AO_xor */ +/* AO_compare_and_swap */ +/* AO_fetch_compare_and_swap */ +/* */ +/* Note that atomicity guarantees are valid only if both */ +/* readers and writers use AO_ operations to access the */ +/* shared value, while ordering constraints are intended to */ +/* apply all memory operations. If a location can potentially */ +/* be accessed simultaneously from multiple threads, and one of */ +/* those accesses may be a write access, then all such */ +/* accesses to that location should be through AO_ primitives. */ +/* However if AO_ operations enforce sufficient ordering to */ +/* ensure that a location x cannot be accessed concurrently, */ +/* or can only be read concurrently, then x can be accessed */ +/* via ordinary references and assignments. */ +/* */ +/* AO_compare_and_swap takes an address and an expected old */ +/* value and a new value, and returns an int. Non-zero result */ +/* indicates that it succeeded. */ +/* AO_fetch_compare_and_swap takes an address and an expected */ +/* old value and a new value, and returns the real old value. */ +/* The operation succeeded if and only if the expected old */ +/* value matches the old value returned. */ +/* */ +/* Test_and_set takes an address, atomically replaces it by */ +/* AO_TS_SET, and returns the prior value. */ +/* An AO_TS_t location can be reset with the */ +/* AO_CLEAR macro, which normally uses AO_store_release. */ +/* AO_fetch_and_add takes an address and an AO_t increment */ +/* value. The AO_fetch_and_add1 and AO_fetch_and_sub1 variants */ +/* are provided, since they allow faster implementations on */ +/* some hardware. AO_and, AO_or, AO_xor do atomically and, or, */ +/* xor (respectively) an AO_t value into a memory location, */ +/* but do not provide access to the original. */ +/* */ +/* We expect this list to grow slowly over time. */ +/* */ +/* Note that AO_nop_full is a full memory barrier. */ +/* */ +/* Note that if some data is initialized with */ +/* data.x = ...; data.y = ...; ... */ +/* AO_store_release_write(&data_is_initialized, 1) */ +/* then data is guaranteed to be initialized after the test */ +/* if (AO_load_acquire_read(&data_is_initialized)) ... */ +/* succeeds. Furthermore, this should generate near-optimal */ +/* code on all common platforms. */ +/* */ +/* All operations operate on unsigned AO_t, which */ +/* is the natural word size, and usually unsigned long. */ +/* It is possible to check whether a particular operation op */ +/* is available on a particular platform by checking whether */ +/* AO_HAVE_op is defined. We make heavy use of these macros */ +/* internally. */ + +/* The rest of this file basically has three sections: */ +/* */ +/* Some utility and default definitions. */ +/* */ +/* The architecture dependent section: */ +/* This defines atomic operations that have direct hardware */ +/* support on a particular platform, mostly by including the */ +/* appropriate compiler- and hardware-dependent file. */ +/* */ +/* The synthesis section: */ +/* This tries to define other atomic operations in terms of */ +/* those that are explicitly available on the platform. */ +/* This section is hardware independent. */ +/* We make no attempt to synthesize operations in ways that */ +/* effectively introduce locks, except for the debugging/demo */ +/* pthread-based implementation at the beginning. A more */ +/* realistic implementation that falls back to locks could be */ +/* added as a higher layer. But that would sacrifice */ +/* usability from signal handlers. */ +/* The synthesis section is implemented almost entirely in */ +/* atomic_ops/generalize.h. */ + +/* Some common defaults. Overridden for some architectures. */ +#define AO_t size_t + +/* The test_and_set primitive returns an AO_TS_VAL_t value. */ +/* AO_TS_t is the type of an in-memory test-and-set location. */ + +#define AO_TS_INITIALIZER ((AO_TS_t)AO_TS_CLEAR) + +/* Convenient internal macro to test version of GCC. */ +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +# define AO_GNUC_PREREQ(major, minor) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((major) << 16) + (minor)) +#else +# define AO_GNUC_PREREQ(major, minor) 0 /* false */ +#endif + +/* Convenient internal macro to test version of Clang. */ +#if defined(__clang__) && defined(__clang_major__) +# define AO_CLANG_PREREQ(major, minor) \ + ((__clang_major__ << 16) + __clang_minor__ >= ((major) << 16) + (minor)) +#else +# define AO_CLANG_PREREQ(major, minor) 0 /* false */ +#endif + +/* Platform-dependent stuff: */ +#if (defined(__GNUC__) || defined(_MSC_VER) || defined(__INTEL_COMPILER) \ + || defined(__DMC__) || defined(__WATCOMC__)) && !defined(AO_NO_INLINE) +# define AO_INLINE static __inline +#elif defined(__sun) && !defined(AO_NO_INLINE) +# define AO_INLINE static inline +#else +# define AO_INLINE static +#endif + +#if AO_GNUC_PREREQ(3, 0) && !defined(LINT2) +# define AO_EXPECT_FALSE(expr) __builtin_expect(expr, 0) + /* Equivalent to (expr) but predict that usually (expr) == 0. */ +#else +# define AO_EXPECT_FALSE(expr) (expr) +#endif /* !__GNUC__ */ + +#if defined(__has_feature) + /* __has_feature() is supported. */ +# if __has_feature(address_sanitizer) +# define AO_ADDRESS_SANITIZER +# endif +# if __has_feature(memory_sanitizer) +# define AO_MEMORY_SANITIZER +# endif +# if __has_feature(thread_sanitizer) +# define AO_THREAD_SANITIZER +# endif +#else +# ifdef __SANITIZE_ADDRESS__ + /* GCC v4.8+ */ +# define AO_ADDRESS_SANITIZER +# endif +#endif /* !__has_feature */ + +#ifndef AO_ATTR_NO_SANITIZE_MEMORY +# ifndef AO_MEMORY_SANITIZER +# define AO_ATTR_NO_SANITIZE_MEMORY /* empty */ +# elif AO_CLANG_PREREQ(3, 8) +# define AO_ATTR_NO_SANITIZE_MEMORY __attribute__((no_sanitize("memory"))) +# else +# define AO_ATTR_NO_SANITIZE_MEMORY __attribute__((no_sanitize_memory)) +# endif +#endif /* !AO_ATTR_NO_SANITIZE_MEMORY */ + +#ifndef AO_ATTR_NO_SANITIZE_THREAD +# ifndef AO_THREAD_SANITIZER +# define AO_ATTR_NO_SANITIZE_THREAD /* empty */ +# elif AO_CLANG_PREREQ(3, 8) +# define AO_ATTR_NO_SANITIZE_THREAD __attribute__((no_sanitize("thread"))) +# else +# define AO_ATTR_NO_SANITIZE_THREAD __attribute__((no_sanitize_thread)) +# endif +#endif /* !AO_ATTR_NO_SANITIZE_THREAD */ + +#if (AO_GNUC_PREREQ(7, 5) || __STDC_VERSION__ >= 201112L) && !defined(LINT2) +# define AO_ALIGNOF_SUPPORTED 1 +#endif + +#ifdef AO_ALIGNOF_SUPPORTED +# define AO_ASSERT_ADDR_ALIGNED(addr) \ + assert(((size_t)(addr) & (__alignof__(*(addr)) - 1)) == 0) +#else +# define AO_ASSERT_ADDR_ALIGNED(addr) \ + assert(((size_t)(addr) & (sizeof(*(addr)) - 1)) == 0) +#endif /* !AO_ALIGNOF_SUPPORTED */ + +#if defined(__GNUC__) && !defined(__INTEL_COMPILER) +# define AO_compiler_barrier() __asm__ __volatile__("" : : : "memory") +#elif defined(_MSC_VER) || defined(__DMC__) || defined(__BORLANDC__) \ + || defined(__WATCOMC__) +# if defined(_AMD64_) || defined(_M_X64) || _MSC_VER >= 1400 +# if defined(_WIN32_WCE) +/* # include */ +# elif defined(_MSC_VER) +# include +# endif +# pragma intrinsic(_ReadWriteBarrier) +# define AO_compiler_barrier() _ReadWriteBarrier() + /* We assume this does not generate a fence instruction. */ + /* The documentation is a bit unclear. */ +# else +# define AO_compiler_barrier() __asm { } + /* The preceding implementation may be preferable here too. */ + /* But the documentation warns about VC++ 2003 and earlier. */ +# endif +#elif defined(__INTEL_COMPILER) +# define AO_compiler_barrier() __memory_barrier() + /* FIXME: Too strong? IA64-only? */ +#elif defined(_HPUX_SOURCE) +# if defined(__ia64) +# include +# define AO_compiler_barrier() _Asm_sched_fence() +# else + /* FIXME - We do not know how to do this. This is a guess. */ + /* And probably a bad one. */ + static volatile int AO_barrier_dummy; +# define AO_compiler_barrier() (void)(AO_barrier_dummy = AO_barrier_dummy) +# endif +#else + /* We conjecture that the following usually gives us the right */ + /* semantics or an error. */ +# define AO_compiler_barrier() asm("") +#endif + +#if defined(AO_USE_PTHREAD_DEFS) +# include "atomic_ops/sysdeps/generic_pthread.h" +#endif /* AO_USE_PTHREAD_DEFS */ + +#if (defined(__CC_ARM) || defined(__ARMCC__)) && !defined(__GNUC__) \ + && !defined(AO_USE_PTHREAD_DEFS) +# include "atomic_ops/sysdeps/armcc/arm_v6.h" +# define AO_GENERALIZE_TWICE +#endif + +#if defined(__GNUC__) && !defined(AO_USE_PTHREAD_DEFS) \ + && !defined(__INTEL_COMPILER) +# if defined(__i386__) + /* We don't define AO_USE_SYNC_CAS_BUILTIN for x86 here because */ + /* it might require specifying additional options (like -march) */ + /* or additional link libraries (if -march is not specified). */ +# include "atomic_ops/sysdeps/gcc/x86.h" +# elif defined(__x86_64__) +# if AO_GNUC_PREREQ(4, 2) && !defined(AO_USE_SYNC_CAS_BUILTIN) + /* It is safe to use __sync CAS built-in on this architecture. */ +# define AO_USE_SYNC_CAS_BUILTIN +# endif +# include "atomic_ops/sysdeps/gcc/x86.h" +# elif defined(__ia64__) +# include "atomic_ops/sysdeps/gcc/ia64.h" +# define AO_GENERALIZE_TWICE +# elif defined(__hppa__) +# include "atomic_ops/sysdeps/gcc/hppa.h" +# define AO_CAN_EMUL_CAS +# elif defined(__alpha__) +# include "atomic_ops/sysdeps/gcc/alpha.h" +# define AO_GENERALIZE_TWICE +# elif defined(__s390__) +# include "atomic_ops/sysdeps/gcc/s390.h" +# elif defined(__sparc__) +# include "atomic_ops/sysdeps/gcc/sparc.h" +# define AO_CAN_EMUL_CAS +# elif defined(__m68k__) +# include "atomic_ops/sysdeps/gcc/m68k.h" +# elif defined(__powerpc__) || defined(__ppc__) || defined(__PPC__) \ + || defined(__powerpc64__) || defined(__ppc64__) || defined(_ARCH_PPC) +# include "atomic_ops/sysdeps/gcc/powerpc.h" +# elif defined(__aarch64__) +# include "atomic_ops/sysdeps/gcc/aarch64.h" +# define AO_CAN_EMUL_CAS +# elif defined(__arm__) +# include "atomic_ops/sysdeps/gcc/arm.h" +# define AO_CAN_EMUL_CAS +# elif defined(__cris__) || defined(CRIS) +# include "atomic_ops/sysdeps/gcc/cris.h" +# define AO_CAN_EMUL_CAS +# define AO_GENERALIZE_TWICE +# elif defined(__mips__) +# include "atomic_ops/sysdeps/gcc/mips.h" +# elif defined(__sh__) || defined(SH4) +# include "atomic_ops/sysdeps/gcc/sh.h" +# define AO_CAN_EMUL_CAS +# elif defined(__avr32__) +# include "atomic_ops/sysdeps/gcc/avr32.h" +# elif defined(__hexagon__) +# include "atomic_ops/sysdeps/gcc/hexagon.h" +# elif defined(__nios2__) +# include "atomic_ops/sysdeps/gcc/generic.h" +# define AO_CAN_EMUL_CAS +# elif defined(__riscv) +# include "atomic_ops/sysdeps/gcc/riscv.h" +# elif defined(__tile__) +# include "atomic_ops/sysdeps/gcc/tile.h" +# else /* etc. */ +# include "atomic_ops/sysdeps/gcc/generic.h" +# endif +#endif /* __GNUC__ && !AO_USE_PTHREAD_DEFS */ + +#if (defined(__IBMC__) || defined(__IBMCPP__)) && !defined(__GNUC__) \ + && !defined(AO_USE_PTHREAD_DEFS) +# if defined(__powerpc__) || defined(__powerpc) || defined(__ppc__) \ + || defined(__PPC__) || defined(_M_PPC) || defined(_ARCH_PPC) \ + || defined(_ARCH_PWR) +# include "atomic_ops/sysdeps/ibmc/powerpc.h" +# define AO_GENERALIZE_TWICE +# endif +#endif + +#if defined(__INTEL_COMPILER) && !defined(AO_USE_PTHREAD_DEFS) +# if defined(__ia64__) +# include "atomic_ops/sysdeps/icc/ia64.h" +# define AO_GENERALIZE_TWICE +# endif +# if defined(__GNUC__) + /* Intel Compiler in GCC compatible mode */ +# if defined(__i386__) +# include "atomic_ops/sysdeps/gcc/x86.h" +# endif /* __i386__ */ +# if defined(__x86_64__) +# if (__INTEL_COMPILER > 1110) && !defined(AO_USE_SYNC_CAS_BUILTIN) +# define AO_USE_SYNC_CAS_BUILTIN +# endif +# include "atomic_ops/sysdeps/gcc/x86.h" +# endif /* __x86_64__ */ +# endif +#endif + +#if defined(_HPUX_SOURCE) && !defined(__GNUC__) && !defined(AO_USE_PTHREAD_DEFS) +# if defined(__ia64) +# include "atomic_ops/sysdeps/hpc/ia64.h" +# define AO_GENERALIZE_TWICE +# else +# include "atomic_ops/sysdeps/hpc/hppa.h" +# define AO_CAN_EMUL_CAS +# endif +#endif + +#if defined(_MSC_VER) || defined(__DMC__) || defined(__BORLANDC__) \ + || (defined(__WATCOMC__) && defined(__NT__)) +# if defined(_AMD64_) || defined(_M_X64) || defined(_M_ARM64) +# include "atomic_ops/sysdeps/msftc/x86_64.h" +# elif defined(_M_IX86) || defined(x86) +# include "atomic_ops/sysdeps/msftc/x86.h" +# elif defined(_M_ARM) || defined(ARM) || defined(_ARM_) +# include "atomic_ops/sysdeps/msftc/arm.h" +# define AO_GENERALIZE_TWICE +# endif +#endif + +#if defined(__sun) && !defined(__GNUC__) && !defined(AO_USE_PTHREAD_DEFS) + /* Note: use -DAO_USE_PTHREAD_DEFS if Sun CC does not handle inline asm. */ +# if defined(__i386) || defined(__x86_64) || defined(__amd64) +# include "atomic_ops/sysdeps/sunc/x86.h" +# endif +#endif + +#if !defined(__GNUC__) && (defined(sparc) || defined(__sparc)) \ + && !defined(AO_USE_PTHREAD_DEFS) +# include "atomic_ops/sysdeps/sunc/sparc.h" +# define AO_CAN_EMUL_CAS +#endif + +#if (defined(AO_REQUIRE_CAS) && !defined(AO_HAVE_compare_and_swap) \ + && !defined(AO_HAVE_fetch_compare_and_swap) \ + && !defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_fetch_compare_and_swap_acquire)) || defined(CPPCHECK) +# if defined(AO_CAN_EMUL_CAS) +# include "atomic_ops/sysdeps/emul_cas.h" +# elif !defined(CPPCHECK) +# error Cannot implement AO_compare_and_swap_full on this architecture. +# endif +#endif /* AO_REQUIRE_CAS && !AO_HAVE_compare_and_swap ... */ + +/* The most common way to clear a test-and-set location */ +/* at the end of a critical section. */ +#if defined(AO_AO_TS_T) && !defined(AO_HAVE_CLEAR) +# define AO_CLEAR(addr) AO_store_release((AO_TS_t *)(addr), AO_TS_CLEAR) +# define AO_HAVE_CLEAR +#endif +#if defined(AO_CHAR_TS_T) && !defined(AO_HAVE_CLEAR) +# define AO_CLEAR(addr) AO_char_store_release((AO_TS_t *)(addr), AO_TS_CLEAR) +# define AO_HAVE_CLEAR +#endif + +/* The generalization section. */ +#if !defined(AO_GENERALIZE_TWICE) && defined(AO_CAN_EMUL_CAS) \ + && !defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_fetch_compare_and_swap_full) +# define AO_GENERALIZE_TWICE +#endif + +/* Theoretically we should repeatedly include atomic_ops/generalize.h. */ +/* In fact, we observe that this converges after a small fixed number */ +/* of iterations, usually one. */ +#include "atomic_ops/generalize.h" + +#if !defined(AO_GENERALIZE_TWICE) \ + && defined(AO_HAVE_compare_double_and_swap_double) \ + && (!defined(AO_HAVE_double_load) || !defined(AO_HAVE_double_store)) +# define AO_GENERALIZE_TWICE +#endif + +#ifdef AO_T_IS_INT + /* Included after the first generalization pass. */ +# include "atomic_ops/sysdeps/ao_t_is_int.h" +# ifndef AO_GENERALIZE_TWICE + /* Always generalize again. */ +# define AO_GENERALIZE_TWICE +# endif +#endif /* AO_T_IS_INT */ + +#ifdef AO_GENERALIZE_TWICE +# include "atomic_ops/generalize.h" +#endif + +/* For compatibility with version 0.4 and earlier */ +#define AO_TS_T AO_TS_t +#define AO_T AO_t +#define AO_TS_VAL AO_TS_VAL_t + +#endif /* !AO_ATOMIC_OPS_H */ diff --git a/thirdparty/libatomic_ops/atomic_ops/ao_version.h b/thirdparty/libatomic_ops/atomic_ops/ao_version.h new file mode 100644 index 0000000000..aab6b025f4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/ao_version.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2011-2018 Ivan Maidanski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef AO_ATOMIC_OPS_H +# error This file should not be included directly. +#endif + +/* The policy regarding version numbers: development code has odd */ +/* "minor" number (and "micro" part is 0); when development is finished */ +/* and a release is prepared, "minor" number is incremented (keeping */ +/* "micro" number still zero), whenever a defect is fixed a new release */ +/* is prepared incrementing "micro" part to odd value (the most stable */ +/* release has the biggest "micro" number). */ + +/* The version here should match that in configure.ac and README. */ +#define AO_VERSION_MAJOR 7 +#define AO_VERSION_MINOR 6 +#define AO_VERSION_MICRO 12 /* 7.6.12 */ diff --git a/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.h b/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.h new file mode 100644 index 0000000000..515f52e9e1 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.h @@ -0,0 +1,3408 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* char_compare_and_swap (based on fetch_compare_and_swap) */ +#if defined(AO_HAVE_char_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_char_compare_and_swap_full) + AO_INLINE int + AO_char_compare_and_swap_full(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_char_compare_and_swap_full +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_char_compare_and_swap_acquire) + AO_INLINE int + AO_char_compare_and_swap_acquire(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_char_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_char_compare_and_swap_release) + AO_INLINE int + AO_char_compare_and_swap_release(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_char_compare_and_swap_release +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_char_compare_and_swap_write) + AO_INLINE int + AO_char_compare_and_swap_write(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_write(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_char_compare_and_swap_write +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_char_compare_and_swap_read) + AO_INLINE int + AO_char_compare_and_swap_read(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_read(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_char_compare_and_swap_read +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap) \ + && !defined(AO_HAVE_char_compare_and_swap) + AO_INLINE int + AO_char_compare_and_swap(volatile unsigned/**/char *addr, unsigned/**/char old_val, + unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_char_compare_and_swap +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_release_write) \ + && !defined(AO_HAVE_char_compare_and_swap_release_write) + AO_INLINE int + AO_char_compare_and_swap_release_write(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_release_write(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_char_compare_and_swap_release_write +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_acquire_read) \ + && !defined(AO_HAVE_char_compare_and_swap_acquire_read) + AO_INLINE int + AO_char_compare_and_swap_acquire_read(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_char_compare_and_swap_acquire_read +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_dd_acquire_read) \ + && !defined(AO_HAVE_char_compare_and_swap_dd_acquire_read) + AO_INLINE int + AO_char_compare_and_swap_dd_acquire_read(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return AO_char_fetch_compare_and_swap_dd_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_char_compare_and_swap_dd_acquire_read +#endif + +/* char_fetch_and_add */ +/* We first try to implement fetch_and_add variants in terms of the */ +/* corresponding compare_and_swap variants to minimize adding barriers. */ +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_fetch_and_add_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_fetch_and_add_full(volatile unsigned/**/char *addr, unsigned/**/char incr) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_char_fetch_and_add_full +#endif + +#if defined(AO_HAVE_char_compare_and_swap_acquire) \ + && !defined(AO_HAVE_char_fetch_and_add_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_fetch_and_add_acquire(volatile unsigned/**/char *addr, unsigned/**/char incr) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_acquire(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_char_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_char_compare_and_swap_release) \ + && !defined(AO_HAVE_char_fetch_and_add_release) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_fetch_and_add_release(volatile unsigned/**/char *addr, unsigned/**/char incr) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_release(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_char_fetch_and_add_release +#endif + +#if defined(AO_HAVE_char_compare_and_swap) \ + && !defined(AO_HAVE_char_fetch_and_add) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_fetch_and_add(volatile unsigned/**/char *addr, unsigned/**/char incr) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_char_fetch_and_add +#endif + +#if defined(AO_HAVE_char_fetch_and_add_full) +# if !defined(AO_HAVE_char_fetch_and_add_release) +# define AO_char_fetch_and_add_release(addr, val) \ + AO_char_fetch_and_add_full(addr, val) +# define AO_HAVE_char_fetch_and_add_release +# endif +# if !defined(AO_HAVE_char_fetch_and_add_acquire) +# define AO_char_fetch_and_add_acquire(addr, val) \ + AO_char_fetch_and_add_full(addr, val) +# define AO_HAVE_char_fetch_and_add_acquire +# endif +# if !defined(AO_HAVE_char_fetch_and_add_write) +# define AO_char_fetch_and_add_write(addr, val) \ + AO_char_fetch_and_add_full(addr, val) +# define AO_HAVE_char_fetch_and_add_write +# endif +# if !defined(AO_HAVE_char_fetch_and_add_read) +# define AO_char_fetch_and_add_read(addr, val) \ + AO_char_fetch_and_add_full(addr, val) +# define AO_HAVE_char_fetch_and_add_read +# endif +#endif /* AO_HAVE_char_fetch_and_add_full */ + +#if defined(AO_HAVE_char_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_and_add_acquire) + AO_INLINE unsigned/**/char + AO_char_fetch_and_add_acquire(volatile unsigned/**/char *addr, unsigned/**/char incr) + { + unsigned/**/char result = AO_char_fetch_and_add(addr, incr); + AO_nop_full(); + return result; + } +# define AO_HAVE_char_fetch_and_add_acquire +#endif +#if defined(AO_HAVE_char_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_and_add_release) +# define AO_char_fetch_and_add_release(addr, incr) \ + (AO_nop_full(), AO_char_fetch_and_add(addr, incr)) +# define AO_HAVE_char_fetch_and_add_release +#endif + +#if !defined(AO_HAVE_char_fetch_and_add) \ + && defined(AO_HAVE_char_fetch_and_add_release) +# define AO_char_fetch_and_add(addr, val) \ + AO_char_fetch_and_add_release(addr, val) +# define AO_HAVE_char_fetch_and_add +#endif +#if !defined(AO_HAVE_char_fetch_and_add) \ + && defined(AO_HAVE_char_fetch_and_add_acquire) +# define AO_char_fetch_and_add(addr, val) \ + AO_char_fetch_and_add_acquire(addr, val) +# define AO_HAVE_char_fetch_and_add +#endif +#if !defined(AO_HAVE_char_fetch_and_add) \ + && defined(AO_HAVE_char_fetch_and_add_write) +# define AO_char_fetch_and_add(addr, val) \ + AO_char_fetch_and_add_write(addr, val) +# define AO_HAVE_char_fetch_and_add +#endif +#if !defined(AO_HAVE_char_fetch_and_add) \ + && defined(AO_HAVE_char_fetch_and_add_read) +# define AO_char_fetch_and_add(addr, val) \ + AO_char_fetch_and_add_read(addr, val) +# define AO_HAVE_char_fetch_and_add +#endif + +#if defined(AO_HAVE_char_fetch_and_add_acquire) \ + && defined(AO_HAVE_nop_full) && !defined(AO_HAVE_char_fetch_and_add_full) +# define AO_char_fetch_and_add_full(addr, val) \ + (AO_nop_full(), AO_char_fetch_and_add_acquire(addr, val)) +# define AO_HAVE_char_fetch_and_add_full +#endif + +#if !defined(AO_HAVE_char_fetch_and_add_release_write) \ + && defined(AO_HAVE_char_fetch_and_add_write) +# define AO_char_fetch_and_add_release_write(addr, val) \ + AO_char_fetch_and_add_write(addr, val) +# define AO_HAVE_char_fetch_and_add_release_write +#endif +#if !defined(AO_HAVE_char_fetch_and_add_release_write) \ + && defined(AO_HAVE_char_fetch_and_add_release) +# define AO_char_fetch_and_add_release_write(addr, val) \ + AO_char_fetch_and_add_release(addr, val) +# define AO_HAVE_char_fetch_and_add_release_write +#endif + +#if !defined(AO_HAVE_char_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_add_read) +# define AO_char_fetch_and_add_acquire_read(addr, val) \ + AO_char_fetch_and_add_read(addr, val) +# define AO_HAVE_char_fetch_and_add_acquire_read +#endif +#if !defined(AO_HAVE_char_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_add_acquire) +# define AO_char_fetch_and_add_acquire_read(addr, val) \ + AO_char_fetch_and_add_acquire(addr, val) +# define AO_HAVE_char_fetch_and_add_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_fetch_and_add_acquire_read) +# define AO_char_fetch_and_add_dd_acquire_read(addr, val) \ + AO_char_fetch_and_add_acquire_read(addr, val) +# define AO_HAVE_char_fetch_and_add_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_fetch_and_add) +# define AO_char_fetch_and_add_dd_acquire_read(addr, val) \ + AO_char_fetch_and_add(addr, val) +# define AO_HAVE_char_fetch_and_add_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_fetch_and_add1 */ +#if defined(AO_HAVE_char_fetch_and_add_full) \ + && !defined(AO_HAVE_char_fetch_and_add1_full) +# define AO_char_fetch_and_add1_full(addr) \ + AO_char_fetch_and_add_full(addr, 1) +# define AO_HAVE_char_fetch_and_add1_full +#endif +#if defined(AO_HAVE_char_fetch_and_add_release) \ + && !defined(AO_HAVE_char_fetch_and_add1_release) +# define AO_char_fetch_and_add1_release(addr) \ + AO_char_fetch_and_add_release(addr, 1) +# define AO_HAVE_char_fetch_and_add1_release +#endif +#if defined(AO_HAVE_char_fetch_and_add_acquire) \ + && !defined(AO_HAVE_char_fetch_and_add1_acquire) +# define AO_char_fetch_and_add1_acquire(addr) \ + AO_char_fetch_and_add_acquire(addr, 1) +# define AO_HAVE_char_fetch_and_add1_acquire +#endif +#if defined(AO_HAVE_char_fetch_and_add_write) \ + && !defined(AO_HAVE_char_fetch_and_add1_write) +# define AO_char_fetch_and_add1_write(addr) \ + AO_char_fetch_and_add_write(addr, 1) +# define AO_HAVE_char_fetch_and_add1_write +#endif +#if defined(AO_HAVE_char_fetch_and_add_read) \ + && !defined(AO_HAVE_char_fetch_and_add1_read) +# define AO_char_fetch_and_add1_read(addr) \ + AO_char_fetch_and_add_read(addr, 1) +# define AO_HAVE_char_fetch_and_add1_read +#endif +#if defined(AO_HAVE_char_fetch_and_add_release_write) \ + && !defined(AO_HAVE_char_fetch_and_add1_release_write) +# define AO_char_fetch_and_add1_release_write(addr) \ + AO_char_fetch_and_add_release_write(addr, 1) +# define AO_HAVE_char_fetch_and_add1_release_write +#endif +#if defined(AO_HAVE_char_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_char_fetch_and_add1_acquire_read) +# define AO_char_fetch_and_add1_acquire_read(addr) \ + AO_char_fetch_and_add_acquire_read(addr, 1) +# define AO_HAVE_char_fetch_and_add1_acquire_read +#endif +#if defined(AO_HAVE_char_fetch_and_add) \ + && !defined(AO_HAVE_char_fetch_and_add1) +# define AO_char_fetch_and_add1(addr) AO_char_fetch_and_add(addr, 1) +# define AO_HAVE_char_fetch_and_add1 +#endif + +#if defined(AO_HAVE_char_fetch_and_add1_full) +# if !defined(AO_HAVE_char_fetch_and_add1_release) +# define AO_char_fetch_and_add1_release(addr) \ + AO_char_fetch_and_add1_full(addr) +# define AO_HAVE_char_fetch_and_add1_release +# endif +# if !defined(AO_HAVE_char_fetch_and_add1_acquire) +# define AO_char_fetch_and_add1_acquire(addr) \ + AO_char_fetch_and_add1_full(addr) +# define AO_HAVE_char_fetch_and_add1_acquire +# endif +# if !defined(AO_HAVE_char_fetch_and_add1_write) +# define AO_char_fetch_and_add1_write(addr) \ + AO_char_fetch_and_add1_full(addr) +# define AO_HAVE_char_fetch_and_add1_write +# endif +# if !defined(AO_HAVE_char_fetch_and_add1_read) +# define AO_char_fetch_and_add1_read(addr) \ + AO_char_fetch_and_add1_full(addr) +# define AO_HAVE_char_fetch_and_add1_read +# endif +#endif /* AO_HAVE_char_fetch_and_add1_full */ + +#if !defined(AO_HAVE_char_fetch_and_add1) \ + && defined(AO_HAVE_char_fetch_and_add1_release) +# define AO_char_fetch_and_add1(addr) AO_char_fetch_and_add1_release(addr) +# define AO_HAVE_char_fetch_and_add1 +#endif +#if !defined(AO_HAVE_char_fetch_and_add1) \ + && defined(AO_HAVE_char_fetch_and_add1_acquire) +# define AO_char_fetch_and_add1(addr) AO_char_fetch_and_add1_acquire(addr) +# define AO_HAVE_char_fetch_and_add1 +#endif +#if !defined(AO_HAVE_char_fetch_and_add1) \ + && defined(AO_HAVE_char_fetch_and_add1_write) +# define AO_char_fetch_and_add1(addr) AO_char_fetch_and_add1_write(addr) +# define AO_HAVE_char_fetch_and_add1 +#endif +#if !defined(AO_HAVE_char_fetch_and_add1) \ + && defined(AO_HAVE_char_fetch_and_add1_read) +# define AO_char_fetch_and_add1(addr) AO_char_fetch_and_add1_read(addr) +# define AO_HAVE_char_fetch_and_add1 +#endif + +#if defined(AO_HAVE_char_fetch_and_add1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_and_add1_full) +# define AO_char_fetch_and_add1_full(addr) \ + (AO_nop_full(), AO_char_fetch_and_add1_acquire(addr)) +# define AO_HAVE_char_fetch_and_add1_full +#endif + +#if !defined(AO_HAVE_char_fetch_and_add1_release_write) \ + && defined(AO_HAVE_char_fetch_and_add1_write) +# define AO_char_fetch_and_add1_release_write(addr) \ + AO_char_fetch_and_add1_write(addr) +# define AO_HAVE_char_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_char_fetch_and_add1_release_write) \ + && defined(AO_HAVE_char_fetch_and_add1_release) +# define AO_char_fetch_and_add1_release_write(addr) \ + AO_char_fetch_and_add1_release(addr) +# define AO_HAVE_char_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_char_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_add1_read) +# define AO_char_fetch_and_add1_acquire_read(addr) \ + AO_char_fetch_and_add1_read(addr) +# define AO_HAVE_char_fetch_and_add1_acquire_read +#endif +#if !defined(AO_HAVE_char_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_add1_acquire) +# define AO_char_fetch_and_add1_acquire_read(addr) \ + AO_char_fetch_and_add1_acquire(addr) +# define AO_HAVE_char_fetch_and_add1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_fetch_and_add1_acquire_read) +# define AO_char_fetch_and_add1_dd_acquire_read(addr) \ + AO_char_fetch_and_add1_acquire_read(addr) +# define AO_HAVE_char_fetch_and_add1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_fetch_and_add1) +# define AO_char_fetch_and_add1_dd_acquire_read(addr) \ + AO_char_fetch_and_add1(addr) +# define AO_HAVE_char_fetch_and_add1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_fetch_and_sub1 */ +#if defined(AO_HAVE_char_fetch_and_add_full) \ + && !defined(AO_HAVE_char_fetch_and_sub1_full) +# define AO_char_fetch_and_sub1_full(addr) \ + AO_char_fetch_and_add_full(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_full +#endif +#if defined(AO_HAVE_char_fetch_and_add_release) \ + && !defined(AO_HAVE_char_fetch_and_sub1_release) +# define AO_char_fetch_and_sub1_release(addr) \ + AO_char_fetch_and_add_release(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_release +#endif +#if defined(AO_HAVE_char_fetch_and_add_acquire) \ + && !defined(AO_HAVE_char_fetch_and_sub1_acquire) +# define AO_char_fetch_and_sub1_acquire(addr) \ + AO_char_fetch_and_add_acquire(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_acquire +#endif +#if defined(AO_HAVE_char_fetch_and_add_write) \ + && !defined(AO_HAVE_char_fetch_and_sub1_write) +# define AO_char_fetch_and_sub1_write(addr) \ + AO_char_fetch_and_add_write(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_write +#endif +#if defined(AO_HAVE_char_fetch_and_add_read) \ + && !defined(AO_HAVE_char_fetch_and_sub1_read) +# define AO_char_fetch_and_sub1_read(addr) \ + AO_char_fetch_and_add_read(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_read +#endif +#if defined(AO_HAVE_char_fetch_and_add_release_write) \ + && !defined(AO_HAVE_char_fetch_and_sub1_release_write) +# define AO_char_fetch_and_sub1_release_write(addr) \ + AO_char_fetch_and_add_release_write(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_release_write +#endif +#if defined(AO_HAVE_char_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) +# define AO_char_fetch_and_sub1_acquire_read(addr) \ + AO_char_fetch_and_add_acquire_read(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1_acquire_read +#endif +#if defined(AO_HAVE_char_fetch_and_add) \ + && !defined(AO_HAVE_char_fetch_and_sub1) +# define AO_char_fetch_and_sub1(addr) \ + AO_char_fetch_and_add(addr, (unsigned/**/char)(-1)) +# define AO_HAVE_char_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_char_fetch_and_sub1_full) +# if !defined(AO_HAVE_char_fetch_and_sub1_release) +# define AO_char_fetch_and_sub1_release(addr) \ + AO_char_fetch_and_sub1_full(addr) +# define AO_HAVE_char_fetch_and_sub1_release +# endif +# if !defined(AO_HAVE_char_fetch_and_sub1_acquire) +# define AO_char_fetch_and_sub1_acquire(addr) \ + AO_char_fetch_and_sub1_full(addr) +# define AO_HAVE_char_fetch_and_sub1_acquire +# endif +# if !defined(AO_HAVE_char_fetch_and_sub1_write) +# define AO_char_fetch_and_sub1_write(addr) \ + AO_char_fetch_and_sub1_full(addr) +# define AO_HAVE_char_fetch_and_sub1_write +# endif +# if !defined(AO_HAVE_char_fetch_and_sub1_read) +# define AO_char_fetch_and_sub1_read(addr) \ + AO_char_fetch_and_sub1_full(addr) +# define AO_HAVE_char_fetch_and_sub1_read +# endif +#endif /* AO_HAVE_char_fetch_and_sub1_full */ + +#if !defined(AO_HAVE_char_fetch_and_sub1) \ + && defined(AO_HAVE_char_fetch_and_sub1_release) +# define AO_char_fetch_and_sub1(addr) AO_char_fetch_and_sub1_release(addr) +# define AO_HAVE_char_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1) \ + && defined(AO_HAVE_char_fetch_and_sub1_acquire) +# define AO_char_fetch_and_sub1(addr) AO_char_fetch_and_sub1_acquire(addr) +# define AO_HAVE_char_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1) \ + && defined(AO_HAVE_char_fetch_and_sub1_write) +# define AO_char_fetch_and_sub1(addr) AO_char_fetch_and_sub1_write(addr) +# define AO_HAVE_char_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1) \ + && defined(AO_HAVE_char_fetch_and_sub1_read) +# define AO_char_fetch_and_sub1(addr) AO_char_fetch_and_sub1_read(addr) +# define AO_HAVE_char_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_char_fetch_and_sub1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_and_sub1_full) +# define AO_char_fetch_and_sub1_full(addr) \ + (AO_nop_full(), AO_char_fetch_and_sub1_acquire(addr)) +# define AO_HAVE_char_fetch_and_sub1_full +#endif + +#if !defined(AO_HAVE_char_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_char_fetch_and_sub1_write) +# define AO_char_fetch_and_sub1_release_write(addr) \ + AO_char_fetch_and_sub1_write(addr) +# define AO_HAVE_char_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_char_fetch_and_sub1_release) +# define AO_char_fetch_and_sub1_release_write(addr) \ + AO_char_fetch_and_sub1_release(addr) +# define AO_HAVE_char_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_sub1_read) +# define AO_char_fetch_and_sub1_acquire_read(addr) \ + AO_char_fetch_and_sub1_read(addr) +# define AO_HAVE_char_fetch_and_sub1_acquire_read +#endif +#if !defined(AO_HAVE_char_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_char_fetch_and_sub1_acquire) +# define AO_char_fetch_and_sub1_acquire_read(addr) \ + AO_char_fetch_and_sub1_acquire(addr) +# define AO_HAVE_char_fetch_and_sub1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_fetch_and_sub1_acquire_read) +# define AO_char_fetch_and_sub1_dd_acquire_read(addr) \ + AO_char_fetch_and_sub1_acquire_read(addr) +# define AO_HAVE_char_fetch_and_sub1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_fetch_and_sub1) +# define AO_char_fetch_and_sub1_dd_acquire_read(addr) \ + AO_char_fetch_and_sub1(addr) +# define AO_HAVE_char_fetch_and_sub1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_and */ +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_and_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_and_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full(addr, old, + old & value))); + } +# define AO_HAVE_char_and_full +#endif + +#if defined(AO_HAVE_char_and_full) +# if !defined(AO_HAVE_char_and_release) +# define AO_char_and_release(addr, val) AO_char_and_full(addr, val) +# define AO_HAVE_char_and_release +# endif +# if !defined(AO_HAVE_char_and_acquire) +# define AO_char_and_acquire(addr, val) AO_char_and_full(addr, val) +# define AO_HAVE_char_and_acquire +# endif +# if !defined(AO_HAVE_char_and_write) +# define AO_char_and_write(addr, val) AO_char_and_full(addr, val) +# define AO_HAVE_char_and_write +# endif +# if !defined(AO_HAVE_char_and_read) +# define AO_char_and_read(addr, val) AO_char_and_full(addr, val) +# define AO_HAVE_char_and_read +# endif +#endif /* AO_HAVE_char_and_full */ + +#if !defined(AO_HAVE_char_and) && defined(AO_HAVE_char_and_release) +# define AO_char_and(addr, val) AO_char_and_release(addr, val) +# define AO_HAVE_char_and +#endif +#if !defined(AO_HAVE_char_and) && defined(AO_HAVE_char_and_acquire) +# define AO_char_and(addr, val) AO_char_and_acquire(addr, val) +# define AO_HAVE_char_and +#endif +#if !defined(AO_HAVE_char_and) && defined(AO_HAVE_char_and_write) +# define AO_char_and(addr, val) AO_char_and_write(addr, val) +# define AO_HAVE_char_and +#endif +#if !defined(AO_HAVE_char_and) && defined(AO_HAVE_char_and_read) +# define AO_char_and(addr, val) AO_char_and_read(addr, val) +# define AO_HAVE_char_and +#endif + +#if defined(AO_HAVE_char_and_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_and_full) +# define AO_char_and_full(addr, val) \ + (AO_nop_full(), AO_char_and_acquire(addr, val)) +# define AO_HAVE_char_and_full +#endif + +#if !defined(AO_HAVE_char_and_release_write) \ + && defined(AO_HAVE_char_and_write) +# define AO_char_and_release_write(addr, val) AO_char_and_write(addr, val) +# define AO_HAVE_char_and_release_write +#endif +#if !defined(AO_HAVE_char_and_release_write) \ + && defined(AO_HAVE_char_and_release) +# define AO_char_and_release_write(addr, val) AO_char_and_release(addr, val) +# define AO_HAVE_char_and_release_write +#endif +#if !defined(AO_HAVE_char_and_acquire_read) \ + && defined(AO_HAVE_char_and_read) +# define AO_char_and_acquire_read(addr, val) AO_char_and_read(addr, val) +# define AO_HAVE_char_and_acquire_read +#endif +#if !defined(AO_HAVE_char_and_acquire_read) \ + && defined(AO_HAVE_char_and_acquire) +# define AO_char_and_acquire_read(addr, val) AO_char_and_acquire(addr, val) +# define AO_HAVE_char_and_acquire_read +#endif + +/* char_or */ +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_or_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_or_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full(addr, old, + old | value))); + } +# define AO_HAVE_char_or_full +#endif + +#if defined(AO_HAVE_char_or_full) +# if !defined(AO_HAVE_char_or_release) +# define AO_char_or_release(addr, val) AO_char_or_full(addr, val) +# define AO_HAVE_char_or_release +# endif +# if !defined(AO_HAVE_char_or_acquire) +# define AO_char_or_acquire(addr, val) AO_char_or_full(addr, val) +# define AO_HAVE_char_or_acquire +# endif +# if !defined(AO_HAVE_char_or_write) +# define AO_char_or_write(addr, val) AO_char_or_full(addr, val) +# define AO_HAVE_char_or_write +# endif +# if !defined(AO_HAVE_char_or_read) +# define AO_char_or_read(addr, val) AO_char_or_full(addr, val) +# define AO_HAVE_char_or_read +# endif +#endif /* AO_HAVE_char_or_full */ + +#if !defined(AO_HAVE_char_or) && defined(AO_HAVE_char_or_release) +# define AO_char_or(addr, val) AO_char_or_release(addr, val) +# define AO_HAVE_char_or +#endif +#if !defined(AO_HAVE_char_or) && defined(AO_HAVE_char_or_acquire) +# define AO_char_or(addr, val) AO_char_or_acquire(addr, val) +# define AO_HAVE_char_or +#endif +#if !defined(AO_HAVE_char_or) && defined(AO_HAVE_char_or_write) +# define AO_char_or(addr, val) AO_char_or_write(addr, val) +# define AO_HAVE_char_or +#endif +#if !defined(AO_HAVE_char_or) && defined(AO_HAVE_char_or_read) +# define AO_char_or(addr, val) AO_char_or_read(addr, val) +# define AO_HAVE_char_or +#endif + +#if defined(AO_HAVE_char_or_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_or_full) +# define AO_char_or_full(addr, val) \ + (AO_nop_full(), AO_char_or_acquire(addr, val)) +# define AO_HAVE_char_or_full +#endif + +#if !defined(AO_HAVE_char_or_release_write) \ + && defined(AO_HAVE_char_or_write) +# define AO_char_or_release_write(addr, val) AO_char_or_write(addr, val) +# define AO_HAVE_char_or_release_write +#endif +#if !defined(AO_HAVE_char_or_release_write) \ + && defined(AO_HAVE_char_or_release) +# define AO_char_or_release_write(addr, val) AO_char_or_release(addr, val) +# define AO_HAVE_char_or_release_write +#endif +#if !defined(AO_HAVE_char_or_acquire_read) && defined(AO_HAVE_char_or_read) +# define AO_char_or_acquire_read(addr, val) AO_char_or_read(addr, val) +# define AO_HAVE_char_or_acquire_read +#endif +#if !defined(AO_HAVE_char_or_acquire_read) \ + && defined(AO_HAVE_char_or_acquire) +# define AO_char_or_acquire_read(addr, val) AO_char_or_acquire(addr, val) +# define AO_HAVE_char_or_acquire_read +#endif + +/* char_xor */ +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_xor_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_xor_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + unsigned/**/char old; + + do + { + old = *(unsigned/**/char *)addr; + } + while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full(addr, old, + old ^ value))); + } +# define AO_HAVE_char_xor_full +#endif + +#if defined(AO_HAVE_char_xor_full) +# if !defined(AO_HAVE_char_xor_release) +# define AO_char_xor_release(addr, val) AO_char_xor_full(addr, val) +# define AO_HAVE_char_xor_release +# endif +# if !defined(AO_HAVE_char_xor_acquire) +# define AO_char_xor_acquire(addr, val) AO_char_xor_full(addr, val) +# define AO_HAVE_char_xor_acquire +# endif +# if !defined(AO_HAVE_char_xor_write) +# define AO_char_xor_write(addr, val) AO_char_xor_full(addr, val) +# define AO_HAVE_char_xor_write +# endif +# if !defined(AO_HAVE_char_xor_read) +# define AO_char_xor_read(addr, val) AO_char_xor_full(addr, val) +# define AO_HAVE_char_xor_read +# endif +#endif /* AO_HAVE_char_xor_full */ + +#if !defined(AO_HAVE_char_xor) && defined(AO_HAVE_char_xor_release) +# define AO_char_xor(addr, val) AO_char_xor_release(addr, val) +# define AO_HAVE_char_xor +#endif +#if !defined(AO_HAVE_char_xor) && defined(AO_HAVE_char_xor_acquire) +# define AO_char_xor(addr, val) AO_char_xor_acquire(addr, val) +# define AO_HAVE_char_xor +#endif +#if !defined(AO_HAVE_char_xor) && defined(AO_HAVE_char_xor_write) +# define AO_char_xor(addr, val) AO_char_xor_write(addr, val) +# define AO_HAVE_char_xor +#endif +#if !defined(AO_HAVE_char_xor) && defined(AO_HAVE_char_xor_read) +# define AO_char_xor(addr, val) AO_char_xor_read(addr, val) +# define AO_HAVE_char_xor +#endif + +#if defined(AO_HAVE_char_xor_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_xor_full) +# define AO_char_xor_full(addr, val) \ + (AO_nop_full(), AO_char_xor_acquire(addr, val)) +# define AO_HAVE_char_xor_full +#endif + +#if !defined(AO_HAVE_char_xor_release_write) \ + && defined(AO_HAVE_char_xor_write) +# define AO_char_xor_release_write(addr, val) AO_char_xor_write(addr, val) +# define AO_HAVE_char_xor_release_write +#endif +#if !defined(AO_HAVE_char_xor_release_write) \ + && defined(AO_HAVE_char_xor_release) +# define AO_char_xor_release_write(addr, val) AO_char_xor_release(addr, val) +# define AO_HAVE_char_xor_release_write +#endif +#if !defined(AO_HAVE_char_xor_acquire_read) \ + && defined(AO_HAVE_char_xor_read) +# define AO_char_xor_acquire_read(addr, val) AO_char_xor_read(addr, val) +# define AO_HAVE_char_xor_acquire_read +#endif +#if !defined(AO_HAVE_char_xor_acquire_read) \ + && defined(AO_HAVE_char_xor_acquire) +# define AO_char_xor_acquire_read(addr, val) AO_char_xor_acquire(addr, val) +# define AO_HAVE_char_xor_acquire_read +#endif + +/* char_and/or/xor_dd_acquire_read are meaningless. */ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* short_compare_and_swap (based on fetch_compare_and_swap) */ +#if defined(AO_HAVE_short_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_short_compare_and_swap_full) + AO_INLINE int + AO_short_compare_and_swap_full(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_short_compare_and_swap_full +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_short_compare_and_swap_acquire) + AO_INLINE int + AO_short_compare_and_swap_acquire(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_short_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_short_compare_and_swap_release) + AO_INLINE int + AO_short_compare_and_swap_release(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_short_compare_and_swap_release +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_short_compare_and_swap_write) + AO_INLINE int + AO_short_compare_and_swap_write(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_write(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_short_compare_and_swap_write +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_short_compare_and_swap_read) + AO_INLINE int + AO_short_compare_and_swap_read(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_read(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_short_compare_and_swap_read +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap) \ + && !defined(AO_HAVE_short_compare_and_swap) + AO_INLINE int + AO_short_compare_and_swap(volatile unsigned/**/short *addr, unsigned/**/short old_val, + unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_short_compare_and_swap +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_release_write) \ + && !defined(AO_HAVE_short_compare_and_swap_release_write) + AO_INLINE int + AO_short_compare_and_swap_release_write(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_release_write(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_short_compare_and_swap_release_write +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_acquire_read) \ + && !defined(AO_HAVE_short_compare_and_swap_acquire_read) + AO_INLINE int + AO_short_compare_and_swap_acquire_read(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_short_compare_and_swap_acquire_read +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_dd_acquire_read) \ + && !defined(AO_HAVE_short_compare_and_swap_dd_acquire_read) + AO_INLINE int + AO_short_compare_and_swap_dd_acquire_read(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return AO_short_fetch_compare_and_swap_dd_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_short_compare_and_swap_dd_acquire_read +#endif + +/* short_fetch_and_add */ +/* We first try to implement fetch_and_add variants in terms of the */ +/* corresponding compare_and_swap variants to minimize adding barriers. */ +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_fetch_and_add_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_fetch_and_add_full(volatile unsigned/**/short *addr, unsigned/**/short incr) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_short_fetch_and_add_full +#endif + +#if defined(AO_HAVE_short_compare_and_swap_acquire) \ + && !defined(AO_HAVE_short_fetch_and_add_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_fetch_and_add_acquire(volatile unsigned/**/short *addr, unsigned/**/short incr) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_acquire(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_short_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_short_compare_and_swap_release) \ + && !defined(AO_HAVE_short_fetch_and_add_release) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_fetch_and_add_release(volatile unsigned/**/short *addr, unsigned/**/short incr) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_release(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_short_fetch_and_add_release +#endif + +#if defined(AO_HAVE_short_compare_and_swap) \ + && !defined(AO_HAVE_short_fetch_and_add) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_fetch_and_add(volatile unsigned/**/short *addr, unsigned/**/short incr) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_short_fetch_and_add +#endif + +#if defined(AO_HAVE_short_fetch_and_add_full) +# if !defined(AO_HAVE_short_fetch_and_add_release) +# define AO_short_fetch_and_add_release(addr, val) \ + AO_short_fetch_and_add_full(addr, val) +# define AO_HAVE_short_fetch_and_add_release +# endif +# if !defined(AO_HAVE_short_fetch_and_add_acquire) +# define AO_short_fetch_and_add_acquire(addr, val) \ + AO_short_fetch_and_add_full(addr, val) +# define AO_HAVE_short_fetch_and_add_acquire +# endif +# if !defined(AO_HAVE_short_fetch_and_add_write) +# define AO_short_fetch_and_add_write(addr, val) \ + AO_short_fetch_and_add_full(addr, val) +# define AO_HAVE_short_fetch_and_add_write +# endif +# if !defined(AO_HAVE_short_fetch_and_add_read) +# define AO_short_fetch_and_add_read(addr, val) \ + AO_short_fetch_and_add_full(addr, val) +# define AO_HAVE_short_fetch_and_add_read +# endif +#endif /* AO_HAVE_short_fetch_and_add_full */ + +#if defined(AO_HAVE_short_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_and_add_acquire) + AO_INLINE unsigned/**/short + AO_short_fetch_and_add_acquire(volatile unsigned/**/short *addr, unsigned/**/short incr) + { + unsigned/**/short result = AO_short_fetch_and_add(addr, incr); + AO_nop_full(); + return result; + } +# define AO_HAVE_short_fetch_and_add_acquire +#endif +#if defined(AO_HAVE_short_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_and_add_release) +# define AO_short_fetch_and_add_release(addr, incr) \ + (AO_nop_full(), AO_short_fetch_and_add(addr, incr)) +# define AO_HAVE_short_fetch_and_add_release +#endif + +#if !defined(AO_HAVE_short_fetch_and_add) \ + && defined(AO_HAVE_short_fetch_and_add_release) +# define AO_short_fetch_and_add(addr, val) \ + AO_short_fetch_and_add_release(addr, val) +# define AO_HAVE_short_fetch_and_add +#endif +#if !defined(AO_HAVE_short_fetch_and_add) \ + && defined(AO_HAVE_short_fetch_and_add_acquire) +# define AO_short_fetch_and_add(addr, val) \ + AO_short_fetch_and_add_acquire(addr, val) +# define AO_HAVE_short_fetch_and_add +#endif +#if !defined(AO_HAVE_short_fetch_and_add) \ + && defined(AO_HAVE_short_fetch_and_add_write) +# define AO_short_fetch_and_add(addr, val) \ + AO_short_fetch_and_add_write(addr, val) +# define AO_HAVE_short_fetch_and_add +#endif +#if !defined(AO_HAVE_short_fetch_and_add) \ + && defined(AO_HAVE_short_fetch_and_add_read) +# define AO_short_fetch_and_add(addr, val) \ + AO_short_fetch_and_add_read(addr, val) +# define AO_HAVE_short_fetch_and_add +#endif + +#if defined(AO_HAVE_short_fetch_and_add_acquire) \ + && defined(AO_HAVE_nop_full) && !defined(AO_HAVE_short_fetch_and_add_full) +# define AO_short_fetch_and_add_full(addr, val) \ + (AO_nop_full(), AO_short_fetch_and_add_acquire(addr, val)) +# define AO_HAVE_short_fetch_and_add_full +#endif + +#if !defined(AO_HAVE_short_fetch_and_add_release_write) \ + && defined(AO_HAVE_short_fetch_and_add_write) +# define AO_short_fetch_and_add_release_write(addr, val) \ + AO_short_fetch_and_add_write(addr, val) +# define AO_HAVE_short_fetch_and_add_release_write +#endif +#if !defined(AO_HAVE_short_fetch_and_add_release_write) \ + && defined(AO_HAVE_short_fetch_and_add_release) +# define AO_short_fetch_and_add_release_write(addr, val) \ + AO_short_fetch_and_add_release(addr, val) +# define AO_HAVE_short_fetch_and_add_release_write +#endif + +#if !defined(AO_HAVE_short_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_add_read) +# define AO_short_fetch_and_add_acquire_read(addr, val) \ + AO_short_fetch_and_add_read(addr, val) +# define AO_HAVE_short_fetch_and_add_acquire_read +#endif +#if !defined(AO_HAVE_short_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_add_acquire) +# define AO_short_fetch_and_add_acquire_read(addr, val) \ + AO_short_fetch_and_add_acquire(addr, val) +# define AO_HAVE_short_fetch_and_add_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_fetch_and_add_acquire_read) +# define AO_short_fetch_and_add_dd_acquire_read(addr, val) \ + AO_short_fetch_and_add_acquire_read(addr, val) +# define AO_HAVE_short_fetch_and_add_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_fetch_and_add) +# define AO_short_fetch_and_add_dd_acquire_read(addr, val) \ + AO_short_fetch_and_add(addr, val) +# define AO_HAVE_short_fetch_and_add_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_fetch_and_add1 */ +#if defined(AO_HAVE_short_fetch_and_add_full) \ + && !defined(AO_HAVE_short_fetch_and_add1_full) +# define AO_short_fetch_and_add1_full(addr) \ + AO_short_fetch_and_add_full(addr, 1) +# define AO_HAVE_short_fetch_and_add1_full +#endif +#if defined(AO_HAVE_short_fetch_and_add_release) \ + && !defined(AO_HAVE_short_fetch_and_add1_release) +# define AO_short_fetch_and_add1_release(addr) \ + AO_short_fetch_and_add_release(addr, 1) +# define AO_HAVE_short_fetch_and_add1_release +#endif +#if defined(AO_HAVE_short_fetch_and_add_acquire) \ + && !defined(AO_HAVE_short_fetch_and_add1_acquire) +# define AO_short_fetch_and_add1_acquire(addr) \ + AO_short_fetch_and_add_acquire(addr, 1) +# define AO_HAVE_short_fetch_and_add1_acquire +#endif +#if defined(AO_HAVE_short_fetch_and_add_write) \ + && !defined(AO_HAVE_short_fetch_and_add1_write) +# define AO_short_fetch_and_add1_write(addr) \ + AO_short_fetch_and_add_write(addr, 1) +# define AO_HAVE_short_fetch_and_add1_write +#endif +#if defined(AO_HAVE_short_fetch_and_add_read) \ + && !defined(AO_HAVE_short_fetch_and_add1_read) +# define AO_short_fetch_and_add1_read(addr) \ + AO_short_fetch_and_add_read(addr, 1) +# define AO_HAVE_short_fetch_and_add1_read +#endif +#if defined(AO_HAVE_short_fetch_and_add_release_write) \ + && !defined(AO_HAVE_short_fetch_and_add1_release_write) +# define AO_short_fetch_and_add1_release_write(addr) \ + AO_short_fetch_and_add_release_write(addr, 1) +# define AO_HAVE_short_fetch_and_add1_release_write +#endif +#if defined(AO_HAVE_short_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_short_fetch_and_add1_acquire_read) +# define AO_short_fetch_and_add1_acquire_read(addr) \ + AO_short_fetch_and_add_acquire_read(addr, 1) +# define AO_HAVE_short_fetch_and_add1_acquire_read +#endif +#if defined(AO_HAVE_short_fetch_and_add) \ + && !defined(AO_HAVE_short_fetch_and_add1) +# define AO_short_fetch_and_add1(addr) AO_short_fetch_and_add(addr, 1) +# define AO_HAVE_short_fetch_and_add1 +#endif + +#if defined(AO_HAVE_short_fetch_and_add1_full) +# if !defined(AO_HAVE_short_fetch_and_add1_release) +# define AO_short_fetch_and_add1_release(addr) \ + AO_short_fetch_and_add1_full(addr) +# define AO_HAVE_short_fetch_and_add1_release +# endif +# if !defined(AO_HAVE_short_fetch_and_add1_acquire) +# define AO_short_fetch_and_add1_acquire(addr) \ + AO_short_fetch_and_add1_full(addr) +# define AO_HAVE_short_fetch_and_add1_acquire +# endif +# if !defined(AO_HAVE_short_fetch_and_add1_write) +# define AO_short_fetch_and_add1_write(addr) \ + AO_short_fetch_and_add1_full(addr) +# define AO_HAVE_short_fetch_and_add1_write +# endif +# if !defined(AO_HAVE_short_fetch_and_add1_read) +# define AO_short_fetch_and_add1_read(addr) \ + AO_short_fetch_and_add1_full(addr) +# define AO_HAVE_short_fetch_and_add1_read +# endif +#endif /* AO_HAVE_short_fetch_and_add1_full */ + +#if !defined(AO_HAVE_short_fetch_and_add1) \ + && defined(AO_HAVE_short_fetch_and_add1_release) +# define AO_short_fetch_and_add1(addr) AO_short_fetch_and_add1_release(addr) +# define AO_HAVE_short_fetch_and_add1 +#endif +#if !defined(AO_HAVE_short_fetch_and_add1) \ + && defined(AO_HAVE_short_fetch_and_add1_acquire) +# define AO_short_fetch_and_add1(addr) AO_short_fetch_and_add1_acquire(addr) +# define AO_HAVE_short_fetch_and_add1 +#endif +#if !defined(AO_HAVE_short_fetch_and_add1) \ + && defined(AO_HAVE_short_fetch_and_add1_write) +# define AO_short_fetch_and_add1(addr) AO_short_fetch_and_add1_write(addr) +# define AO_HAVE_short_fetch_and_add1 +#endif +#if !defined(AO_HAVE_short_fetch_and_add1) \ + && defined(AO_HAVE_short_fetch_and_add1_read) +# define AO_short_fetch_and_add1(addr) AO_short_fetch_and_add1_read(addr) +# define AO_HAVE_short_fetch_and_add1 +#endif + +#if defined(AO_HAVE_short_fetch_and_add1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_and_add1_full) +# define AO_short_fetch_and_add1_full(addr) \ + (AO_nop_full(), AO_short_fetch_and_add1_acquire(addr)) +# define AO_HAVE_short_fetch_and_add1_full +#endif + +#if !defined(AO_HAVE_short_fetch_and_add1_release_write) \ + && defined(AO_HAVE_short_fetch_and_add1_write) +# define AO_short_fetch_and_add1_release_write(addr) \ + AO_short_fetch_and_add1_write(addr) +# define AO_HAVE_short_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_short_fetch_and_add1_release_write) \ + && defined(AO_HAVE_short_fetch_and_add1_release) +# define AO_short_fetch_and_add1_release_write(addr) \ + AO_short_fetch_and_add1_release(addr) +# define AO_HAVE_short_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_short_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_add1_read) +# define AO_short_fetch_and_add1_acquire_read(addr) \ + AO_short_fetch_and_add1_read(addr) +# define AO_HAVE_short_fetch_and_add1_acquire_read +#endif +#if !defined(AO_HAVE_short_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_add1_acquire) +# define AO_short_fetch_and_add1_acquire_read(addr) \ + AO_short_fetch_and_add1_acquire(addr) +# define AO_HAVE_short_fetch_and_add1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_fetch_and_add1_acquire_read) +# define AO_short_fetch_and_add1_dd_acquire_read(addr) \ + AO_short_fetch_and_add1_acquire_read(addr) +# define AO_HAVE_short_fetch_and_add1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_fetch_and_add1) +# define AO_short_fetch_and_add1_dd_acquire_read(addr) \ + AO_short_fetch_and_add1(addr) +# define AO_HAVE_short_fetch_and_add1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_fetch_and_sub1 */ +#if defined(AO_HAVE_short_fetch_and_add_full) \ + && !defined(AO_HAVE_short_fetch_and_sub1_full) +# define AO_short_fetch_and_sub1_full(addr) \ + AO_short_fetch_and_add_full(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_full +#endif +#if defined(AO_HAVE_short_fetch_and_add_release) \ + && !defined(AO_HAVE_short_fetch_and_sub1_release) +# define AO_short_fetch_and_sub1_release(addr) \ + AO_short_fetch_and_add_release(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_release +#endif +#if defined(AO_HAVE_short_fetch_and_add_acquire) \ + && !defined(AO_HAVE_short_fetch_and_sub1_acquire) +# define AO_short_fetch_and_sub1_acquire(addr) \ + AO_short_fetch_and_add_acquire(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_acquire +#endif +#if defined(AO_HAVE_short_fetch_and_add_write) \ + && !defined(AO_HAVE_short_fetch_and_sub1_write) +# define AO_short_fetch_and_sub1_write(addr) \ + AO_short_fetch_and_add_write(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_write +#endif +#if defined(AO_HAVE_short_fetch_and_add_read) \ + && !defined(AO_HAVE_short_fetch_and_sub1_read) +# define AO_short_fetch_and_sub1_read(addr) \ + AO_short_fetch_and_add_read(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_read +#endif +#if defined(AO_HAVE_short_fetch_and_add_release_write) \ + && !defined(AO_HAVE_short_fetch_and_sub1_release_write) +# define AO_short_fetch_and_sub1_release_write(addr) \ + AO_short_fetch_and_add_release_write(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_release_write +#endif +#if defined(AO_HAVE_short_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) +# define AO_short_fetch_and_sub1_acquire_read(addr) \ + AO_short_fetch_and_add_acquire_read(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1_acquire_read +#endif +#if defined(AO_HAVE_short_fetch_and_add) \ + && !defined(AO_HAVE_short_fetch_and_sub1) +# define AO_short_fetch_and_sub1(addr) \ + AO_short_fetch_and_add(addr, (unsigned/**/short)(-1)) +# define AO_HAVE_short_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_short_fetch_and_sub1_full) +# if !defined(AO_HAVE_short_fetch_and_sub1_release) +# define AO_short_fetch_and_sub1_release(addr) \ + AO_short_fetch_and_sub1_full(addr) +# define AO_HAVE_short_fetch_and_sub1_release +# endif +# if !defined(AO_HAVE_short_fetch_and_sub1_acquire) +# define AO_short_fetch_and_sub1_acquire(addr) \ + AO_short_fetch_and_sub1_full(addr) +# define AO_HAVE_short_fetch_and_sub1_acquire +# endif +# if !defined(AO_HAVE_short_fetch_and_sub1_write) +# define AO_short_fetch_and_sub1_write(addr) \ + AO_short_fetch_and_sub1_full(addr) +# define AO_HAVE_short_fetch_and_sub1_write +# endif +# if !defined(AO_HAVE_short_fetch_and_sub1_read) +# define AO_short_fetch_and_sub1_read(addr) \ + AO_short_fetch_and_sub1_full(addr) +# define AO_HAVE_short_fetch_and_sub1_read +# endif +#endif /* AO_HAVE_short_fetch_and_sub1_full */ + +#if !defined(AO_HAVE_short_fetch_and_sub1) \ + && defined(AO_HAVE_short_fetch_and_sub1_release) +# define AO_short_fetch_and_sub1(addr) AO_short_fetch_and_sub1_release(addr) +# define AO_HAVE_short_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1) \ + && defined(AO_HAVE_short_fetch_and_sub1_acquire) +# define AO_short_fetch_and_sub1(addr) AO_short_fetch_and_sub1_acquire(addr) +# define AO_HAVE_short_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1) \ + && defined(AO_HAVE_short_fetch_and_sub1_write) +# define AO_short_fetch_and_sub1(addr) AO_short_fetch_and_sub1_write(addr) +# define AO_HAVE_short_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1) \ + && defined(AO_HAVE_short_fetch_and_sub1_read) +# define AO_short_fetch_and_sub1(addr) AO_short_fetch_and_sub1_read(addr) +# define AO_HAVE_short_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_short_fetch_and_sub1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_and_sub1_full) +# define AO_short_fetch_and_sub1_full(addr) \ + (AO_nop_full(), AO_short_fetch_and_sub1_acquire(addr)) +# define AO_HAVE_short_fetch_and_sub1_full +#endif + +#if !defined(AO_HAVE_short_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_short_fetch_and_sub1_write) +# define AO_short_fetch_and_sub1_release_write(addr) \ + AO_short_fetch_and_sub1_write(addr) +# define AO_HAVE_short_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_short_fetch_and_sub1_release) +# define AO_short_fetch_and_sub1_release_write(addr) \ + AO_short_fetch_and_sub1_release(addr) +# define AO_HAVE_short_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_sub1_read) +# define AO_short_fetch_and_sub1_acquire_read(addr) \ + AO_short_fetch_and_sub1_read(addr) +# define AO_HAVE_short_fetch_and_sub1_acquire_read +#endif +#if !defined(AO_HAVE_short_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_short_fetch_and_sub1_acquire) +# define AO_short_fetch_and_sub1_acquire_read(addr) \ + AO_short_fetch_and_sub1_acquire(addr) +# define AO_HAVE_short_fetch_and_sub1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_fetch_and_sub1_acquire_read) +# define AO_short_fetch_and_sub1_dd_acquire_read(addr) \ + AO_short_fetch_and_sub1_acquire_read(addr) +# define AO_HAVE_short_fetch_and_sub1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_fetch_and_sub1) +# define AO_short_fetch_and_sub1_dd_acquire_read(addr) \ + AO_short_fetch_and_sub1(addr) +# define AO_HAVE_short_fetch_and_sub1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_and */ +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_and_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_and_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full(addr, old, + old & value))); + } +# define AO_HAVE_short_and_full +#endif + +#if defined(AO_HAVE_short_and_full) +# if !defined(AO_HAVE_short_and_release) +# define AO_short_and_release(addr, val) AO_short_and_full(addr, val) +# define AO_HAVE_short_and_release +# endif +# if !defined(AO_HAVE_short_and_acquire) +# define AO_short_and_acquire(addr, val) AO_short_and_full(addr, val) +# define AO_HAVE_short_and_acquire +# endif +# if !defined(AO_HAVE_short_and_write) +# define AO_short_and_write(addr, val) AO_short_and_full(addr, val) +# define AO_HAVE_short_and_write +# endif +# if !defined(AO_HAVE_short_and_read) +# define AO_short_and_read(addr, val) AO_short_and_full(addr, val) +# define AO_HAVE_short_and_read +# endif +#endif /* AO_HAVE_short_and_full */ + +#if !defined(AO_HAVE_short_and) && defined(AO_HAVE_short_and_release) +# define AO_short_and(addr, val) AO_short_and_release(addr, val) +# define AO_HAVE_short_and +#endif +#if !defined(AO_HAVE_short_and) && defined(AO_HAVE_short_and_acquire) +# define AO_short_and(addr, val) AO_short_and_acquire(addr, val) +# define AO_HAVE_short_and +#endif +#if !defined(AO_HAVE_short_and) && defined(AO_HAVE_short_and_write) +# define AO_short_and(addr, val) AO_short_and_write(addr, val) +# define AO_HAVE_short_and +#endif +#if !defined(AO_HAVE_short_and) && defined(AO_HAVE_short_and_read) +# define AO_short_and(addr, val) AO_short_and_read(addr, val) +# define AO_HAVE_short_and +#endif + +#if defined(AO_HAVE_short_and_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_and_full) +# define AO_short_and_full(addr, val) \ + (AO_nop_full(), AO_short_and_acquire(addr, val)) +# define AO_HAVE_short_and_full +#endif + +#if !defined(AO_HAVE_short_and_release_write) \ + && defined(AO_HAVE_short_and_write) +# define AO_short_and_release_write(addr, val) AO_short_and_write(addr, val) +# define AO_HAVE_short_and_release_write +#endif +#if !defined(AO_HAVE_short_and_release_write) \ + && defined(AO_HAVE_short_and_release) +# define AO_short_and_release_write(addr, val) AO_short_and_release(addr, val) +# define AO_HAVE_short_and_release_write +#endif +#if !defined(AO_HAVE_short_and_acquire_read) \ + && defined(AO_HAVE_short_and_read) +# define AO_short_and_acquire_read(addr, val) AO_short_and_read(addr, val) +# define AO_HAVE_short_and_acquire_read +#endif +#if !defined(AO_HAVE_short_and_acquire_read) \ + && defined(AO_HAVE_short_and_acquire) +# define AO_short_and_acquire_read(addr, val) AO_short_and_acquire(addr, val) +# define AO_HAVE_short_and_acquire_read +#endif + +/* short_or */ +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_or_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_or_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full(addr, old, + old | value))); + } +# define AO_HAVE_short_or_full +#endif + +#if defined(AO_HAVE_short_or_full) +# if !defined(AO_HAVE_short_or_release) +# define AO_short_or_release(addr, val) AO_short_or_full(addr, val) +# define AO_HAVE_short_or_release +# endif +# if !defined(AO_HAVE_short_or_acquire) +# define AO_short_or_acquire(addr, val) AO_short_or_full(addr, val) +# define AO_HAVE_short_or_acquire +# endif +# if !defined(AO_HAVE_short_or_write) +# define AO_short_or_write(addr, val) AO_short_or_full(addr, val) +# define AO_HAVE_short_or_write +# endif +# if !defined(AO_HAVE_short_or_read) +# define AO_short_or_read(addr, val) AO_short_or_full(addr, val) +# define AO_HAVE_short_or_read +# endif +#endif /* AO_HAVE_short_or_full */ + +#if !defined(AO_HAVE_short_or) && defined(AO_HAVE_short_or_release) +# define AO_short_or(addr, val) AO_short_or_release(addr, val) +# define AO_HAVE_short_or +#endif +#if !defined(AO_HAVE_short_or) && defined(AO_HAVE_short_or_acquire) +# define AO_short_or(addr, val) AO_short_or_acquire(addr, val) +# define AO_HAVE_short_or +#endif +#if !defined(AO_HAVE_short_or) && defined(AO_HAVE_short_or_write) +# define AO_short_or(addr, val) AO_short_or_write(addr, val) +# define AO_HAVE_short_or +#endif +#if !defined(AO_HAVE_short_or) && defined(AO_HAVE_short_or_read) +# define AO_short_or(addr, val) AO_short_or_read(addr, val) +# define AO_HAVE_short_or +#endif + +#if defined(AO_HAVE_short_or_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_or_full) +# define AO_short_or_full(addr, val) \ + (AO_nop_full(), AO_short_or_acquire(addr, val)) +# define AO_HAVE_short_or_full +#endif + +#if !defined(AO_HAVE_short_or_release_write) \ + && defined(AO_HAVE_short_or_write) +# define AO_short_or_release_write(addr, val) AO_short_or_write(addr, val) +# define AO_HAVE_short_or_release_write +#endif +#if !defined(AO_HAVE_short_or_release_write) \ + && defined(AO_HAVE_short_or_release) +# define AO_short_or_release_write(addr, val) AO_short_or_release(addr, val) +# define AO_HAVE_short_or_release_write +#endif +#if !defined(AO_HAVE_short_or_acquire_read) && defined(AO_HAVE_short_or_read) +# define AO_short_or_acquire_read(addr, val) AO_short_or_read(addr, val) +# define AO_HAVE_short_or_acquire_read +#endif +#if !defined(AO_HAVE_short_or_acquire_read) \ + && defined(AO_HAVE_short_or_acquire) +# define AO_short_or_acquire_read(addr, val) AO_short_or_acquire(addr, val) +# define AO_HAVE_short_or_acquire_read +#endif + +/* short_xor */ +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_xor_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_xor_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + unsigned/**/short old; + + do + { + old = *(unsigned/**/short *)addr; + } + while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full(addr, old, + old ^ value))); + } +# define AO_HAVE_short_xor_full +#endif + +#if defined(AO_HAVE_short_xor_full) +# if !defined(AO_HAVE_short_xor_release) +# define AO_short_xor_release(addr, val) AO_short_xor_full(addr, val) +# define AO_HAVE_short_xor_release +# endif +# if !defined(AO_HAVE_short_xor_acquire) +# define AO_short_xor_acquire(addr, val) AO_short_xor_full(addr, val) +# define AO_HAVE_short_xor_acquire +# endif +# if !defined(AO_HAVE_short_xor_write) +# define AO_short_xor_write(addr, val) AO_short_xor_full(addr, val) +# define AO_HAVE_short_xor_write +# endif +# if !defined(AO_HAVE_short_xor_read) +# define AO_short_xor_read(addr, val) AO_short_xor_full(addr, val) +# define AO_HAVE_short_xor_read +# endif +#endif /* AO_HAVE_short_xor_full */ + +#if !defined(AO_HAVE_short_xor) && defined(AO_HAVE_short_xor_release) +# define AO_short_xor(addr, val) AO_short_xor_release(addr, val) +# define AO_HAVE_short_xor +#endif +#if !defined(AO_HAVE_short_xor) && defined(AO_HAVE_short_xor_acquire) +# define AO_short_xor(addr, val) AO_short_xor_acquire(addr, val) +# define AO_HAVE_short_xor +#endif +#if !defined(AO_HAVE_short_xor) && defined(AO_HAVE_short_xor_write) +# define AO_short_xor(addr, val) AO_short_xor_write(addr, val) +# define AO_HAVE_short_xor +#endif +#if !defined(AO_HAVE_short_xor) && defined(AO_HAVE_short_xor_read) +# define AO_short_xor(addr, val) AO_short_xor_read(addr, val) +# define AO_HAVE_short_xor +#endif + +#if defined(AO_HAVE_short_xor_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_xor_full) +# define AO_short_xor_full(addr, val) \ + (AO_nop_full(), AO_short_xor_acquire(addr, val)) +# define AO_HAVE_short_xor_full +#endif + +#if !defined(AO_HAVE_short_xor_release_write) \ + && defined(AO_HAVE_short_xor_write) +# define AO_short_xor_release_write(addr, val) AO_short_xor_write(addr, val) +# define AO_HAVE_short_xor_release_write +#endif +#if !defined(AO_HAVE_short_xor_release_write) \ + && defined(AO_HAVE_short_xor_release) +# define AO_short_xor_release_write(addr, val) AO_short_xor_release(addr, val) +# define AO_HAVE_short_xor_release_write +#endif +#if !defined(AO_HAVE_short_xor_acquire_read) \ + && defined(AO_HAVE_short_xor_read) +# define AO_short_xor_acquire_read(addr, val) AO_short_xor_read(addr, val) +# define AO_HAVE_short_xor_acquire_read +#endif +#if !defined(AO_HAVE_short_xor_acquire_read) \ + && defined(AO_HAVE_short_xor_acquire) +# define AO_short_xor_acquire_read(addr, val) AO_short_xor_acquire(addr, val) +# define AO_HAVE_short_xor_acquire_read +#endif + +/* short_and/or/xor_dd_acquire_read are meaningless. */ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* int_compare_and_swap (based on fetch_compare_and_swap) */ +#if defined(AO_HAVE_int_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_int_compare_and_swap_full) + AO_INLINE int + AO_int_compare_and_swap_full(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_int_compare_and_swap_full +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_int_compare_and_swap_acquire) + AO_INLINE int + AO_int_compare_and_swap_acquire(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_int_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_int_compare_and_swap_release) + AO_INLINE int + AO_int_compare_and_swap_release(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_int_compare_and_swap_release +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_int_compare_and_swap_write) + AO_INLINE int + AO_int_compare_and_swap_write(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap_write(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_int_compare_and_swap_write +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_int_compare_and_swap_read) + AO_INLINE int + AO_int_compare_and_swap_read(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap_read(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_int_compare_and_swap_read +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap) \ + && !defined(AO_HAVE_int_compare_and_swap) + AO_INLINE int + AO_int_compare_and_swap(volatile unsigned *addr, unsigned old_val, + unsigned new_val) + { + return AO_int_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_int_compare_and_swap +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_release_write) \ + && !defined(AO_HAVE_int_compare_and_swap_release_write) + AO_INLINE int + AO_int_compare_and_swap_release_write(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return AO_int_fetch_compare_and_swap_release_write(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_int_compare_and_swap_release_write +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_acquire_read) \ + && !defined(AO_HAVE_int_compare_and_swap_acquire_read) + AO_INLINE int + AO_int_compare_and_swap_acquire_read(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return AO_int_fetch_compare_and_swap_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_int_compare_and_swap_acquire_read +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_dd_acquire_read) \ + && !defined(AO_HAVE_int_compare_and_swap_dd_acquire_read) + AO_INLINE int + AO_int_compare_and_swap_dd_acquire_read(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return AO_int_fetch_compare_and_swap_dd_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_int_compare_and_swap_dd_acquire_read +#endif + +/* int_fetch_and_add */ +/* We first try to implement fetch_and_add variants in terms of the */ +/* corresponding compare_and_swap variants to minimize adding barriers. */ +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_fetch_and_add_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_fetch_and_add_full(volatile unsigned *addr, unsigned incr) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_int_fetch_and_add_full +#endif + +#if defined(AO_HAVE_int_compare_and_swap_acquire) \ + && !defined(AO_HAVE_int_fetch_and_add_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_fetch_and_add_acquire(volatile unsigned *addr, unsigned incr) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_acquire(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_int_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_int_compare_and_swap_release) \ + && !defined(AO_HAVE_int_fetch_and_add_release) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_fetch_and_add_release(volatile unsigned *addr, unsigned incr) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_release(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_int_fetch_and_add_release +#endif + +#if defined(AO_HAVE_int_compare_and_swap) \ + && !defined(AO_HAVE_int_fetch_and_add) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_fetch_and_add(volatile unsigned *addr, unsigned incr) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_int_fetch_and_add +#endif + +#if defined(AO_HAVE_int_fetch_and_add_full) +# if !defined(AO_HAVE_int_fetch_and_add_release) +# define AO_int_fetch_and_add_release(addr, val) \ + AO_int_fetch_and_add_full(addr, val) +# define AO_HAVE_int_fetch_and_add_release +# endif +# if !defined(AO_HAVE_int_fetch_and_add_acquire) +# define AO_int_fetch_and_add_acquire(addr, val) \ + AO_int_fetch_and_add_full(addr, val) +# define AO_HAVE_int_fetch_and_add_acquire +# endif +# if !defined(AO_HAVE_int_fetch_and_add_write) +# define AO_int_fetch_and_add_write(addr, val) \ + AO_int_fetch_and_add_full(addr, val) +# define AO_HAVE_int_fetch_and_add_write +# endif +# if !defined(AO_HAVE_int_fetch_and_add_read) +# define AO_int_fetch_and_add_read(addr, val) \ + AO_int_fetch_and_add_full(addr, val) +# define AO_HAVE_int_fetch_and_add_read +# endif +#endif /* AO_HAVE_int_fetch_and_add_full */ + +#if defined(AO_HAVE_int_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_and_add_acquire) + AO_INLINE unsigned + AO_int_fetch_and_add_acquire(volatile unsigned *addr, unsigned incr) + { + unsigned result = AO_int_fetch_and_add(addr, incr); + AO_nop_full(); + return result; + } +# define AO_HAVE_int_fetch_and_add_acquire +#endif +#if defined(AO_HAVE_int_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_and_add_release) +# define AO_int_fetch_and_add_release(addr, incr) \ + (AO_nop_full(), AO_int_fetch_and_add(addr, incr)) +# define AO_HAVE_int_fetch_and_add_release +#endif + +#if !defined(AO_HAVE_int_fetch_and_add) \ + && defined(AO_HAVE_int_fetch_and_add_release) +# define AO_int_fetch_and_add(addr, val) \ + AO_int_fetch_and_add_release(addr, val) +# define AO_HAVE_int_fetch_and_add +#endif +#if !defined(AO_HAVE_int_fetch_and_add) \ + && defined(AO_HAVE_int_fetch_and_add_acquire) +# define AO_int_fetch_and_add(addr, val) \ + AO_int_fetch_and_add_acquire(addr, val) +# define AO_HAVE_int_fetch_and_add +#endif +#if !defined(AO_HAVE_int_fetch_and_add) \ + && defined(AO_HAVE_int_fetch_and_add_write) +# define AO_int_fetch_and_add(addr, val) \ + AO_int_fetch_and_add_write(addr, val) +# define AO_HAVE_int_fetch_and_add +#endif +#if !defined(AO_HAVE_int_fetch_and_add) \ + && defined(AO_HAVE_int_fetch_and_add_read) +# define AO_int_fetch_and_add(addr, val) \ + AO_int_fetch_and_add_read(addr, val) +# define AO_HAVE_int_fetch_and_add +#endif + +#if defined(AO_HAVE_int_fetch_and_add_acquire) \ + && defined(AO_HAVE_nop_full) && !defined(AO_HAVE_int_fetch_and_add_full) +# define AO_int_fetch_and_add_full(addr, val) \ + (AO_nop_full(), AO_int_fetch_and_add_acquire(addr, val)) +# define AO_HAVE_int_fetch_and_add_full +#endif + +#if !defined(AO_HAVE_int_fetch_and_add_release_write) \ + && defined(AO_HAVE_int_fetch_and_add_write) +# define AO_int_fetch_and_add_release_write(addr, val) \ + AO_int_fetch_and_add_write(addr, val) +# define AO_HAVE_int_fetch_and_add_release_write +#endif +#if !defined(AO_HAVE_int_fetch_and_add_release_write) \ + && defined(AO_HAVE_int_fetch_and_add_release) +# define AO_int_fetch_and_add_release_write(addr, val) \ + AO_int_fetch_and_add_release(addr, val) +# define AO_HAVE_int_fetch_and_add_release_write +#endif + +#if !defined(AO_HAVE_int_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_add_read) +# define AO_int_fetch_and_add_acquire_read(addr, val) \ + AO_int_fetch_and_add_read(addr, val) +# define AO_HAVE_int_fetch_and_add_acquire_read +#endif +#if !defined(AO_HAVE_int_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_add_acquire) +# define AO_int_fetch_and_add_acquire_read(addr, val) \ + AO_int_fetch_and_add_acquire(addr, val) +# define AO_HAVE_int_fetch_and_add_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_fetch_and_add_acquire_read) +# define AO_int_fetch_and_add_dd_acquire_read(addr, val) \ + AO_int_fetch_and_add_acquire_read(addr, val) +# define AO_HAVE_int_fetch_and_add_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_fetch_and_add) +# define AO_int_fetch_and_add_dd_acquire_read(addr, val) \ + AO_int_fetch_and_add(addr, val) +# define AO_HAVE_int_fetch_and_add_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_fetch_and_add1 */ +#if defined(AO_HAVE_int_fetch_and_add_full) \ + && !defined(AO_HAVE_int_fetch_and_add1_full) +# define AO_int_fetch_and_add1_full(addr) \ + AO_int_fetch_and_add_full(addr, 1) +# define AO_HAVE_int_fetch_and_add1_full +#endif +#if defined(AO_HAVE_int_fetch_and_add_release) \ + && !defined(AO_HAVE_int_fetch_and_add1_release) +# define AO_int_fetch_and_add1_release(addr) \ + AO_int_fetch_and_add_release(addr, 1) +# define AO_HAVE_int_fetch_and_add1_release +#endif +#if defined(AO_HAVE_int_fetch_and_add_acquire) \ + && !defined(AO_HAVE_int_fetch_and_add1_acquire) +# define AO_int_fetch_and_add1_acquire(addr) \ + AO_int_fetch_and_add_acquire(addr, 1) +# define AO_HAVE_int_fetch_and_add1_acquire +#endif +#if defined(AO_HAVE_int_fetch_and_add_write) \ + && !defined(AO_HAVE_int_fetch_and_add1_write) +# define AO_int_fetch_and_add1_write(addr) \ + AO_int_fetch_and_add_write(addr, 1) +# define AO_HAVE_int_fetch_and_add1_write +#endif +#if defined(AO_HAVE_int_fetch_and_add_read) \ + && !defined(AO_HAVE_int_fetch_and_add1_read) +# define AO_int_fetch_and_add1_read(addr) \ + AO_int_fetch_and_add_read(addr, 1) +# define AO_HAVE_int_fetch_and_add1_read +#endif +#if defined(AO_HAVE_int_fetch_and_add_release_write) \ + && !defined(AO_HAVE_int_fetch_and_add1_release_write) +# define AO_int_fetch_and_add1_release_write(addr) \ + AO_int_fetch_and_add_release_write(addr, 1) +# define AO_HAVE_int_fetch_and_add1_release_write +#endif +#if defined(AO_HAVE_int_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_int_fetch_and_add1_acquire_read) +# define AO_int_fetch_and_add1_acquire_read(addr) \ + AO_int_fetch_and_add_acquire_read(addr, 1) +# define AO_HAVE_int_fetch_and_add1_acquire_read +#endif +#if defined(AO_HAVE_int_fetch_and_add) \ + && !defined(AO_HAVE_int_fetch_and_add1) +# define AO_int_fetch_and_add1(addr) AO_int_fetch_and_add(addr, 1) +# define AO_HAVE_int_fetch_and_add1 +#endif + +#if defined(AO_HAVE_int_fetch_and_add1_full) +# if !defined(AO_HAVE_int_fetch_and_add1_release) +# define AO_int_fetch_and_add1_release(addr) \ + AO_int_fetch_and_add1_full(addr) +# define AO_HAVE_int_fetch_and_add1_release +# endif +# if !defined(AO_HAVE_int_fetch_and_add1_acquire) +# define AO_int_fetch_and_add1_acquire(addr) \ + AO_int_fetch_and_add1_full(addr) +# define AO_HAVE_int_fetch_and_add1_acquire +# endif +# if !defined(AO_HAVE_int_fetch_and_add1_write) +# define AO_int_fetch_and_add1_write(addr) \ + AO_int_fetch_and_add1_full(addr) +# define AO_HAVE_int_fetch_and_add1_write +# endif +# if !defined(AO_HAVE_int_fetch_and_add1_read) +# define AO_int_fetch_and_add1_read(addr) \ + AO_int_fetch_and_add1_full(addr) +# define AO_HAVE_int_fetch_and_add1_read +# endif +#endif /* AO_HAVE_int_fetch_and_add1_full */ + +#if !defined(AO_HAVE_int_fetch_and_add1) \ + && defined(AO_HAVE_int_fetch_and_add1_release) +# define AO_int_fetch_and_add1(addr) AO_int_fetch_and_add1_release(addr) +# define AO_HAVE_int_fetch_and_add1 +#endif +#if !defined(AO_HAVE_int_fetch_and_add1) \ + && defined(AO_HAVE_int_fetch_and_add1_acquire) +# define AO_int_fetch_and_add1(addr) AO_int_fetch_and_add1_acquire(addr) +# define AO_HAVE_int_fetch_and_add1 +#endif +#if !defined(AO_HAVE_int_fetch_and_add1) \ + && defined(AO_HAVE_int_fetch_and_add1_write) +# define AO_int_fetch_and_add1(addr) AO_int_fetch_and_add1_write(addr) +# define AO_HAVE_int_fetch_and_add1 +#endif +#if !defined(AO_HAVE_int_fetch_and_add1) \ + && defined(AO_HAVE_int_fetch_and_add1_read) +# define AO_int_fetch_and_add1(addr) AO_int_fetch_and_add1_read(addr) +# define AO_HAVE_int_fetch_and_add1 +#endif + +#if defined(AO_HAVE_int_fetch_and_add1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_and_add1_full) +# define AO_int_fetch_and_add1_full(addr) \ + (AO_nop_full(), AO_int_fetch_and_add1_acquire(addr)) +# define AO_HAVE_int_fetch_and_add1_full +#endif + +#if !defined(AO_HAVE_int_fetch_and_add1_release_write) \ + && defined(AO_HAVE_int_fetch_and_add1_write) +# define AO_int_fetch_and_add1_release_write(addr) \ + AO_int_fetch_and_add1_write(addr) +# define AO_HAVE_int_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_int_fetch_and_add1_release_write) \ + && defined(AO_HAVE_int_fetch_and_add1_release) +# define AO_int_fetch_and_add1_release_write(addr) \ + AO_int_fetch_and_add1_release(addr) +# define AO_HAVE_int_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_int_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_add1_read) +# define AO_int_fetch_and_add1_acquire_read(addr) \ + AO_int_fetch_and_add1_read(addr) +# define AO_HAVE_int_fetch_and_add1_acquire_read +#endif +#if !defined(AO_HAVE_int_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_add1_acquire) +# define AO_int_fetch_and_add1_acquire_read(addr) \ + AO_int_fetch_and_add1_acquire(addr) +# define AO_HAVE_int_fetch_and_add1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_fetch_and_add1_acquire_read) +# define AO_int_fetch_and_add1_dd_acquire_read(addr) \ + AO_int_fetch_and_add1_acquire_read(addr) +# define AO_HAVE_int_fetch_and_add1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_fetch_and_add1) +# define AO_int_fetch_and_add1_dd_acquire_read(addr) \ + AO_int_fetch_and_add1(addr) +# define AO_HAVE_int_fetch_and_add1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_fetch_and_sub1 */ +#if defined(AO_HAVE_int_fetch_and_add_full) \ + && !defined(AO_HAVE_int_fetch_and_sub1_full) +# define AO_int_fetch_and_sub1_full(addr) \ + AO_int_fetch_and_add_full(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_full +#endif +#if defined(AO_HAVE_int_fetch_and_add_release) \ + && !defined(AO_HAVE_int_fetch_and_sub1_release) +# define AO_int_fetch_and_sub1_release(addr) \ + AO_int_fetch_and_add_release(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_release +#endif +#if defined(AO_HAVE_int_fetch_and_add_acquire) \ + && !defined(AO_HAVE_int_fetch_and_sub1_acquire) +# define AO_int_fetch_and_sub1_acquire(addr) \ + AO_int_fetch_and_add_acquire(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_acquire +#endif +#if defined(AO_HAVE_int_fetch_and_add_write) \ + && !defined(AO_HAVE_int_fetch_and_sub1_write) +# define AO_int_fetch_and_sub1_write(addr) \ + AO_int_fetch_and_add_write(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_write +#endif +#if defined(AO_HAVE_int_fetch_and_add_read) \ + && !defined(AO_HAVE_int_fetch_and_sub1_read) +# define AO_int_fetch_and_sub1_read(addr) \ + AO_int_fetch_and_add_read(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_read +#endif +#if defined(AO_HAVE_int_fetch_and_add_release_write) \ + && !defined(AO_HAVE_int_fetch_and_sub1_release_write) +# define AO_int_fetch_and_sub1_release_write(addr) \ + AO_int_fetch_and_add_release_write(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_release_write +#endif +#if defined(AO_HAVE_int_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) +# define AO_int_fetch_and_sub1_acquire_read(addr) \ + AO_int_fetch_and_add_acquire_read(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1_acquire_read +#endif +#if defined(AO_HAVE_int_fetch_and_add) \ + && !defined(AO_HAVE_int_fetch_and_sub1) +# define AO_int_fetch_and_sub1(addr) \ + AO_int_fetch_and_add(addr, (unsigned)(-1)) +# define AO_HAVE_int_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_int_fetch_and_sub1_full) +# if !defined(AO_HAVE_int_fetch_and_sub1_release) +# define AO_int_fetch_and_sub1_release(addr) \ + AO_int_fetch_and_sub1_full(addr) +# define AO_HAVE_int_fetch_and_sub1_release +# endif +# if !defined(AO_HAVE_int_fetch_and_sub1_acquire) +# define AO_int_fetch_and_sub1_acquire(addr) \ + AO_int_fetch_and_sub1_full(addr) +# define AO_HAVE_int_fetch_and_sub1_acquire +# endif +# if !defined(AO_HAVE_int_fetch_and_sub1_write) +# define AO_int_fetch_and_sub1_write(addr) \ + AO_int_fetch_and_sub1_full(addr) +# define AO_HAVE_int_fetch_and_sub1_write +# endif +# if !defined(AO_HAVE_int_fetch_and_sub1_read) +# define AO_int_fetch_and_sub1_read(addr) \ + AO_int_fetch_and_sub1_full(addr) +# define AO_HAVE_int_fetch_and_sub1_read +# endif +#endif /* AO_HAVE_int_fetch_and_sub1_full */ + +#if !defined(AO_HAVE_int_fetch_and_sub1) \ + && defined(AO_HAVE_int_fetch_and_sub1_release) +# define AO_int_fetch_and_sub1(addr) AO_int_fetch_and_sub1_release(addr) +# define AO_HAVE_int_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1) \ + && defined(AO_HAVE_int_fetch_and_sub1_acquire) +# define AO_int_fetch_and_sub1(addr) AO_int_fetch_and_sub1_acquire(addr) +# define AO_HAVE_int_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1) \ + && defined(AO_HAVE_int_fetch_and_sub1_write) +# define AO_int_fetch_and_sub1(addr) AO_int_fetch_and_sub1_write(addr) +# define AO_HAVE_int_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1) \ + && defined(AO_HAVE_int_fetch_and_sub1_read) +# define AO_int_fetch_and_sub1(addr) AO_int_fetch_and_sub1_read(addr) +# define AO_HAVE_int_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_int_fetch_and_sub1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_and_sub1_full) +# define AO_int_fetch_and_sub1_full(addr) \ + (AO_nop_full(), AO_int_fetch_and_sub1_acquire(addr)) +# define AO_HAVE_int_fetch_and_sub1_full +#endif + +#if !defined(AO_HAVE_int_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_int_fetch_and_sub1_write) +# define AO_int_fetch_and_sub1_release_write(addr) \ + AO_int_fetch_and_sub1_write(addr) +# define AO_HAVE_int_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_int_fetch_and_sub1_release) +# define AO_int_fetch_and_sub1_release_write(addr) \ + AO_int_fetch_and_sub1_release(addr) +# define AO_HAVE_int_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_sub1_read) +# define AO_int_fetch_and_sub1_acquire_read(addr) \ + AO_int_fetch_and_sub1_read(addr) +# define AO_HAVE_int_fetch_and_sub1_acquire_read +#endif +#if !defined(AO_HAVE_int_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_int_fetch_and_sub1_acquire) +# define AO_int_fetch_and_sub1_acquire_read(addr) \ + AO_int_fetch_and_sub1_acquire(addr) +# define AO_HAVE_int_fetch_and_sub1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_fetch_and_sub1_acquire_read) +# define AO_int_fetch_and_sub1_dd_acquire_read(addr) \ + AO_int_fetch_and_sub1_acquire_read(addr) +# define AO_HAVE_int_fetch_and_sub1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_fetch_and_sub1) +# define AO_int_fetch_and_sub1_dd_acquire_read(addr) \ + AO_int_fetch_and_sub1(addr) +# define AO_HAVE_int_fetch_and_sub1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_and */ +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_and_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_and_full(volatile unsigned *addr, unsigned value) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full(addr, old, + old & value))); + } +# define AO_HAVE_int_and_full +#endif + +#if defined(AO_HAVE_int_and_full) +# if !defined(AO_HAVE_int_and_release) +# define AO_int_and_release(addr, val) AO_int_and_full(addr, val) +# define AO_HAVE_int_and_release +# endif +# if !defined(AO_HAVE_int_and_acquire) +# define AO_int_and_acquire(addr, val) AO_int_and_full(addr, val) +# define AO_HAVE_int_and_acquire +# endif +# if !defined(AO_HAVE_int_and_write) +# define AO_int_and_write(addr, val) AO_int_and_full(addr, val) +# define AO_HAVE_int_and_write +# endif +# if !defined(AO_HAVE_int_and_read) +# define AO_int_and_read(addr, val) AO_int_and_full(addr, val) +# define AO_HAVE_int_and_read +# endif +#endif /* AO_HAVE_int_and_full */ + +#if !defined(AO_HAVE_int_and) && defined(AO_HAVE_int_and_release) +# define AO_int_and(addr, val) AO_int_and_release(addr, val) +# define AO_HAVE_int_and +#endif +#if !defined(AO_HAVE_int_and) && defined(AO_HAVE_int_and_acquire) +# define AO_int_and(addr, val) AO_int_and_acquire(addr, val) +# define AO_HAVE_int_and +#endif +#if !defined(AO_HAVE_int_and) && defined(AO_HAVE_int_and_write) +# define AO_int_and(addr, val) AO_int_and_write(addr, val) +# define AO_HAVE_int_and +#endif +#if !defined(AO_HAVE_int_and) && defined(AO_HAVE_int_and_read) +# define AO_int_and(addr, val) AO_int_and_read(addr, val) +# define AO_HAVE_int_and +#endif + +#if defined(AO_HAVE_int_and_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_and_full) +# define AO_int_and_full(addr, val) \ + (AO_nop_full(), AO_int_and_acquire(addr, val)) +# define AO_HAVE_int_and_full +#endif + +#if !defined(AO_HAVE_int_and_release_write) \ + && defined(AO_HAVE_int_and_write) +# define AO_int_and_release_write(addr, val) AO_int_and_write(addr, val) +# define AO_HAVE_int_and_release_write +#endif +#if !defined(AO_HAVE_int_and_release_write) \ + && defined(AO_HAVE_int_and_release) +# define AO_int_and_release_write(addr, val) AO_int_and_release(addr, val) +# define AO_HAVE_int_and_release_write +#endif +#if !defined(AO_HAVE_int_and_acquire_read) \ + && defined(AO_HAVE_int_and_read) +# define AO_int_and_acquire_read(addr, val) AO_int_and_read(addr, val) +# define AO_HAVE_int_and_acquire_read +#endif +#if !defined(AO_HAVE_int_and_acquire_read) \ + && defined(AO_HAVE_int_and_acquire) +# define AO_int_and_acquire_read(addr, val) AO_int_and_acquire(addr, val) +# define AO_HAVE_int_and_acquire_read +#endif + +/* int_or */ +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_or_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_or_full(volatile unsigned *addr, unsigned value) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full(addr, old, + old | value))); + } +# define AO_HAVE_int_or_full +#endif + +#if defined(AO_HAVE_int_or_full) +# if !defined(AO_HAVE_int_or_release) +# define AO_int_or_release(addr, val) AO_int_or_full(addr, val) +# define AO_HAVE_int_or_release +# endif +# if !defined(AO_HAVE_int_or_acquire) +# define AO_int_or_acquire(addr, val) AO_int_or_full(addr, val) +# define AO_HAVE_int_or_acquire +# endif +# if !defined(AO_HAVE_int_or_write) +# define AO_int_or_write(addr, val) AO_int_or_full(addr, val) +# define AO_HAVE_int_or_write +# endif +# if !defined(AO_HAVE_int_or_read) +# define AO_int_or_read(addr, val) AO_int_or_full(addr, val) +# define AO_HAVE_int_or_read +# endif +#endif /* AO_HAVE_int_or_full */ + +#if !defined(AO_HAVE_int_or) && defined(AO_HAVE_int_or_release) +# define AO_int_or(addr, val) AO_int_or_release(addr, val) +# define AO_HAVE_int_or +#endif +#if !defined(AO_HAVE_int_or) && defined(AO_HAVE_int_or_acquire) +# define AO_int_or(addr, val) AO_int_or_acquire(addr, val) +# define AO_HAVE_int_or +#endif +#if !defined(AO_HAVE_int_or) && defined(AO_HAVE_int_or_write) +# define AO_int_or(addr, val) AO_int_or_write(addr, val) +# define AO_HAVE_int_or +#endif +#if !defined(AO_HAVE_int_or) && defined(AO_HAVE_int_or_read) +# define AO_int_or(addr, val) AO_int_or_read(addr, val) +# define AO_HAVE_int_or +#endif + +#if defined(AO_HAVE_int_or_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_or_full) +# define AO_int_or_full(addr, val) \ + (AO_nop_full(), AO_int_or_acquire(addr, val)) +# define AO_HAVE_int_or_full +#endif + +#if !defined(AO_HAVE_int_or_release_write) \ + && defined(AO_HAVE_int_or_write) +# define AO_int_or_release_write(addr, val) AO_int_or_write(addr, val) +# define AO_HAVE_int_or_release_write +#endif +#if !defined(AO_HAVE_int_or_release_write) \ + && defined(AO_HAVE_int_or_release) +# define AO_int_or_release_write(addr, val) AO_int_or_release(addr, val) +# define AO_HAVE_int_or_release_write +#endif +#if !defined(AO_HAVE_int_or_acquire_read) && defined(AO_HAVE_int_or_read) +# define AO_int_or_acquire_read(addr, val) AO_int_or_read(addr, val) +# define AO_HAVE_int_or_acquire_read +#endif +#if !defined(AO_HAVE_int_or_acquire_read) \ + && defined(AO_HAVE_int_or_acquire) +# define AO_int_or_acquire_read(addr, val) AO_int_or_acquire(addr, val) +# define AO_HAVE_int_or_acquire_read +#endif + +/* int_xor */ +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_xor_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_xor_full(volatile unsigned *addr, unsigned value) + { + unsigned old; + + do + { + old = *(unsigned *)addr; + } + while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full(addr, old, + old ^ value))); + } +# define AO_HAVE_int_xor_full +#endif + +#if defined(AO_HAVE_int_xor_full) +# if !defined(AO_HAVE_int_xor_release) +# define AO_int_xor_release(addr, val) AO_int_xor_full(addr, val) +# define AO_HAVE_int_xor_release +# endif +# if !defined(AO_HAVE_int_xor_acquire) +# define AO_int_xor_acquire(addr, val) AO_int_xor_full(addr, val) +# define AO_HAVE_int_xor_acquire +# endif +# if !defined(AO_HAVE_int_xor_write) +# define AO_int_xor_write(addr, val) AO_int_xor_full(addr, val) +# define AO_HAVE_int_xor_write +# endif +# if !defined(AO_HAVE_int_xor_read) +# define AO_int_xor_read(addr, val) AO_int_xor_full(addr, val) +# define AO_HAVE_int_xor_read +# endif +#endif /* AO_HAVE_int_xor_full */ + +#if !defined(AO_HAVE_int_xor) && defined(AO_HAVE_int_xor_release) +# define AO_int_xor(addr, val) AO_int_xor_release(addr, val) +# define AO_HAVE_int_xor +#endif +#if !defined(AO_HAVE_int_xor) && defined(AO_HAVE_int_xor_acquire) +# define AO_int_xor(addr, val) AO_int_xor_acquire(addr, val) +# define AO_HAVE_int_xor +#endif +#if !defined(AO_HAVE_int_xor) && defined(AO_HAVE_int_xor_write) +# define AO_int_xor(addr, val) AO_int_xor_write(addr, val) +# define AO_HAVE_int_xor +#endif +#if !defined(AO_HAVE_int_xor) && defined(AO_HAVE_int_xor_read) +# define AO_int_xor(addr, val) AO_int_xor_read(addr, val) +# define AO_HAVE_int_xor +#endif + +#if defined(AO_HAVE_int_xor_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_xor_full) +# define AO_int_xor_full(addr, val) \ + (AO_nop_full(), AO_int_xor_acquire(addr, val)) +# define AO_HAVE_int_xor_full +#endif + +#if !defined(AO_HAVE_int_xor_release_write) \ + && defined(AO_HAVE_int_xor_write) +# define AO_int_xor_release_write(addr, val) AO_int_xor_write(addr, val) +# define AO_HAVE_int_xor_release_write +#endif +#if !defined(AO_HAVE_int_xor_release_write) \ + && defined(AO_HAVE_int_xor_release) +# define AO_int_xor_release_write(addr, val) AO_int_xor_release(addr, val) +# define AO_HAVE_int_xor_release_write +#endif +#if !defined(AO_HAVE_int_xor_acquire_read) \ + && defined(AO_HAVE_int_xor_read) +# define AO_int_xor_acquire_read(addr, val) AO_int_xor_read(addr, val) +# define AO_HAVE_int_xor_acquire_read +#endif +#if !defined(AO_HAVE_int_xor_acquire_read) \ + && defined(AO_HAVE_int_xor_acquire) +# define AO_int_xor_acquire_read(addr, val) AO_int_xor_acquire(addr, val) +# define AO_HAVE_int_xor_acquire_read +#endif + +/* int_and/or/xor_dd_acquire_read are meaningless. */ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* compare_and_swap (based on fetch_compare_and_swap) */ +#if defined(AO_HAVE_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_compare_and_swap_full) + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_full +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_compare_and_swap_acquire) + AO_INLINE int + AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_compare_and_swap_release) + AO_INLINE int + AO_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_release +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_compare_and_swap_write) + AO_INLINE int + AO_compare_and_swap_write(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_write(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_write +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_compare_and_swap_read) + AO_INLINE int + AO_compare_and_swap_read(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_read(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_read +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap) \ + && !defined(AO_HAVE_compare_and_swap) + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_compare_and_swap +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_release_write) \ + && !defined(AO_HAVE_compare_and_swap_release_write) + AO_INLINE int + AO_compare_and_swap_release_write(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return AO_fetch_compare_and_swap_release_write(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_compare_and_swap_release_write +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_acquire_read) \ + && !defined(AO_HAVE_compare_and_swap_acquire_read) + AO_INLINE int + AO_compare_and_swap_acquire_read(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return AO_fetch_compare_and_swap_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_compare_and_swap_acquire_read +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_dd_acquire_read) \ + && !defined(AO_HAVE_compare_and_swap_dd_acquire_read) + AO_INLINE int + AO_compare_and_swap_dd_acquire_read(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return AO_fetch_compare_and_swap_dd_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_compare_and_swap_dd_acquire_read +#endif + +/* fetch_and_add */ +/* We first try to implement fetch_and_add variants in terms of the */ +/* corresponding compare_and_swap variants to minimize adding barriers. */ +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_fetch_and_add_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_fetch_and_add_full(volatile AO_t *addr, AO_t incr) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_full(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_fetch_and_add_full +#endif + +#if defined(AO_HAVE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_fetch_and_add_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_acquire(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_compare_and_swap_release) \ + && !defined(AO_HAVE_fetch_and_add_release) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_fetch_and_add_release(volatile AO_t *addr, AO_t incr) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_release(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_fetch_and_add_release +#endif + +#if defined(AO_HAVE_compare_and_swap) \ + && !defined(AO_HAVE_fetch_and_add) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_fetch_and_add(volatile AO_t *addr, AO_t incr) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_fetch_and_add +#endif + +#if defined(AO_HAVE_fetch_and_add_full) +# if !defined(AO_HAVE_fetch_and_add_release) +# define AO_fetch_and_add_release(addr, val) \ + AO_fetch_and_add_full(addr, val) +# define AO_HAVE_fetch_and_add_release +# endif +# if !defined(AO_HAVE_fetch_and_add_acquire) +# define AO_fetch_and_add_acquire(addr, val) \ + AO_fetch_and_add_full(addr, val) +# define AO_HAVE_fetch_and_add_acquire +# endif +# if !defined(AO_HAVE_fetch_and_add_write) +# define AO_fetch_and_add_write(addr, val) \ + AO_fetch_and_add_full(addr, val) +# define AO_HAVE_fetch_and_add_write +# endif +# if !defined(AO_HAVE_fetch_and_add_read) +# define AO_fetch_and_add_read(addr, val) \ + AO_fetch_and_add_full(addr, val) +# define AO_HAVE_fetch_and_add_read +# endif +#endif /* AO_HAVE_fetch_and_add_full */ + +#if defined(AO_HAVE_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_and_add_acquire) + AO_INLINE AO_t + AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr) + { + AO_t result = AO_fetch_and_add(addr, incr); + AO_nop_full(); + return result; + } +# define AO_HAVE_fetch_and_add_acquire +#endif +#if defined(AO_HAVE_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_and_add_release) +# define AO_fetch_and_add_release(addr, incr) \ + (AO_nop_full(), AO_fetch_and_add(addr, incr)) +# define AO_HAVE_fetch_and_add_release +#endif + +#if !defined(AO_HAVE_fetch_and_add) \ + && defined(AO_HAVE_fetch_and_add_release) +# define AO_fetch_and_add(addr, val) \ + AO_fetch_and_add_release(addr, val) +# define AO_HAVE_fetch_and_add +#endif +#if !defined(AO_HAVE_fetch_and_add) \ + && defined(AO_HAVE_fetch_and_add_acquire) +# define AO_fetch_and_add(addr, val) \ + AO_fetch_and_add_acquire(addr, val) +# define AO_HAVE_fetch_and_add +#endif +#if !defined(AO_HAVE_fetch_and_add) \ + && defined(AO_HAVE_fetch_and_add_write) +# define AO_fetch_and_add(addr, val) \ + AO_fetch_and_add_write(addr, val) +# define AO_HAVE_fetch_and_add +#endif +#if !defined(AO_HAVE_fetch_and_add) \ + && defined(AO_HAVE_fetch_and_add_read) +# define AO_fetch_and_add(addr, val) \ + AO_fetch_and_add_read(addr, val) +# define AO_HAVE_fetch_and_add +#endif + +#if defined(AO_HAVE_fetch_and_add_acquire) \ + && defined(AO_HAVE_nop_full) && !defined(AO_HAVE_fetch_and_add_full) +# define AO_fetch_and_add_full(addr, val) \ + (AO_nop_full(), AO_fetch_and_add_acquire(addr, val)) +# define AO_HAVE_fetch_and_add_full +#endif + +#if !defined(AO_HAVE_fetch_and_add_release_write) \ + && defined(AO_HAVE_fetch_and_add_write) +# define AO_fetch_and_add_release_write(addr, val) \ + AO_fetch_and_add_write(addr, val) +# define AO_HAVE_fetch_and_add_release_write +#endif +#if !defined(AO_HAVE_fetch_and_add_release_write) \ + && defined(AO_HAVE_fetch_and_add_release) +# define AO_fetch_and_add_release_write(addr, val) \ + AO_fetch_and_add_release(addr, val) +# define AO_HAVE_fetch_and_add_release_write +#endif + +#if !defined(AO_HAVE_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_fetch_and_add_read) +# define AO_fetch_and_add_acquire_read(addr, val) \ + AO_fetch_and_add_read(addr, val) +# define AO_HAVE_fetch_and_add_acquire_read +#endif +#if !defined(AO_HAVE_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_fetch_and_add_acquire) +# define AO_fetch_and_add_acquire_read(addr, val) \ + AO_fetch_and_add_acquire(addr, val) +# define AO_HAVE_fetch_and_add_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_fetch_and_add_acquire_read) +# define AO_fetch_and_add_dd_acquire_read(addr, val) \ + AO_fetch_and_add_acquire_read(addr, val) +# define AO_HAVE_fetch_and_add_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_fetch_and_add) +# define AO_fetch_and_add_dd_acquire_read(addr, val) \ + AO_fetch_and_add(addr, val) +# define AO_HAVE_fetch_and_add_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* fetch_and_add1 */ +#if defined(AO_HAVE_fetch_and_add_full) \ + && !defined(AO_HAVE_fetch_and_add1_full) +# define AO_fetch_and_add1_full(addr) \ + AO_fetch_and_add_full(addr, 1) +# define AO_HAVE_fetch_and_add1_full +#endif +#if defined(AO_HAVE_fetch_and_add_release) \ + && !defined(AO_HAVE_fetch_and_add1_release) +# define AO_fetch_and_add1_release(addr) \ + AO_fetch_and_add_release(addr, 1) +# define AO_HAVE_fetch_and_add1_release +#endif +#if defined(AO_HAVE_fetch_and_add_acquire) \ + && !defined(AO_HAVE_fetch_and_add1_acquire) +# define AO_fetch_and_add1_acquire(addr) \ + AO_fetch_and_add_acquire(addr, 1) +# define AO_HAVE_fetch_and_add1_acquire +#endif +#if defined(AO_HAVE_fetch_and_add_write) \ + && !defined(AO_HAVE_fetch_and_add1_write) +# define AO_fetch_and_add1_write(addr) \ + AO_fetch_and_add_write(addr, 1) +# define AO_HAVE_fetch_and_add1_write +#endif +#if defined(AO_HAVE_fetch_and_add_read) \ + && !defined(AO_HAVE_fetch_and_add1_read) +# define AO_fetch_and_add1_read(addr) \ + AO_fetch_and_add_read(addr, 1) +# define AO_HAVE_fetch_and_add1_read +#endif +#if defined(AO_HAVE_fetch_and_add_release_write) \ + && !defined(AO_HAVE_fetch_and_add1_release_write) +# define AO_fetch_and_add1_release_write(addr) \ + AO_fetch_and_add_release_write(addr, 1) +# define AO_HAVE_fetch_and_add1_release_write +#endif +#if defined(AO_HAVE_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_fetch_and_add1_acquire_read) +# define AO_fetch_and_add1_acquire_read(addr) \ + AO_fetch_and_add_acquire_read(addr, 1) +# define AO_HAVE_fetch_and_add1_acquire_read +#endif +#if defined(AO_HAVE_fetch_and_add) \ + && !defined(AO_HAVE_fetch_and_add1) +# define AO_fetch_and_add1(addr) AO_fetch_and_add(addr, 1) +# define AO_HAVE_fetch_and_add1 +#endif + +#if defined(AO_HAVE_fetch_and_add1_full) +# if !defined(AO_HAVE_fetch_and_add1_release) +# define AO_fetch_and_add1_release(addr) \ + AO_fetch_and_add1_full(addr) +# define AO_HAVE_fetch_and_add1_release +# endif +# if !defined(AO_HAVE_fetch_and_add1_acquire) +# define AO_fetch_and_add1_acquire(addr) \ + AO_fetch_and_add1_full(addr) +# define AO_HAVE_fetch_and_add1_acquire +# endif +# if !defined(AO_HAVE_fetch_and_add1_write) +# define AO_fetch_and_add1_write(addr) \ + AO_fetch_and_add1_full(addr) +# define AO_HAVE_fetch_and_add1_write +# endif +# if !defined(AO_HAVE_fetch_and_add1_read) +# define AO_fetch_and_add1_read(addr) \ + AO_fetch_and_add1_full(addr) +# define AO_HAVE_fetch_and_add1_read +# endif +#endif /* AO_HAVE_fetch_and_add1_full */ + +#if !defined(AO_HAVE_fetch_and_add1) \ + && defined(AO_HAVE_fetch_and_add1_release) +# define AO_fetch_and_add1(addr) AO_fetch_and_add1_release(addr) +# define AO_HAVE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_fetch_and_add1) \ + && defined(AO_HAVE_fetch_and_add1_acquire) +# define AO_fetch_and_add1(addr) AO_fetch_and_add1_acquire(addr) +# define AO_HAVE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_fetch_and_add1) \ + && defined(AO_HAVE_fetch_and_add1_write) +# define AO_fetch_and_add1(addr) AO_fetch_and_add1_write(addr) +# define AO_HAVE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_fetch_and_add1) \ + && defined(AO_HAVE_fetch_and_add1_read) +# define AO_fetch_and_add1(addr) AO_fetch_and_add1_read(addr) +# define AO_HAVE_fetch_and_add1 +#endif + +#if defined(AO_HAVE_fetch_and_add1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_and_add1_full) +# define AO_fetch_and_add1_full(addr) \ + (AO_nop_full(), AO_fetch_and_add1_acquire(addr)) +# define AO_HAVE_fetch_and_add1_full +#endif + +#if !defined(AO_HAVE_fetch_and_add1_release_write) \ + && defined(AO_HAVE_fetch_and_add1_write) +# define AO_fetch_and_add1_release_write(addr) \ + AO_fetch_and_add1_write(addr) +# define AO_HAVE_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_fetch_and_add1_release_write) \ + && defined(AO_HAVE_fetch_and_add1_release) +# define AO_fetch_and_add1_release_write(addr) \ + AO_fetch_and_add1_release(addr) +# define AO_HAVE_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_fetch_and_add1_read) +# define AO_fetch_and_add1_acquire_read(addr) \ + AO_fetch_and_add1_read(addr) +# define AO_HAVE_fetch_and_add1_acquire_read +#endif +#if !defined(AO_HAVE_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_fetch_and_add1_acquire) +# define AO_fetch_and_add1_acquire_read(addr) \ + AO_fetch_and_add1_acquire(addr) +# define AO_HAVE_fetch_and_add1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_fetch_and_add1_acquire_read) +# define AO_fetch_and_add1_dd_acquire_read(addr) \ + AO_fetch_and_add1_acquire_read(addr) +# define AO_HAVE_fetch_and_add1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_fetch_and_add1) +# define AO_fetch_and_add1_dd_acquire_read(addr) \ + AO_fetch_and_add1(addr) +# define AO_HAVE_fetch_and_add1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* fetch_and_sub1 */ +#if defined(AO_HAVE_fetch_and_add_full) \ + && !defined(AO_HAVE_fetch_and_sub1_full) +# define AO_fetch_and_sub1_full(addr) \ + AO_fetch_and_add_full(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_full +#endif +#if defined(AO_HAVE_fetch_and_add_release) \ + && !defined(AO_HAVE_fetch_and_sub1_release) +# define AO_fetch_and_sub1_release(addr) \ + AO_fetch_and_add_release(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_release +#endif +#if defined(AO_HAVE_fetch_and_add_acquire) \ + && !defined(AO_HAVE_fetch_and_sub1_acquire) +# define AO_fetch_and_sub1_acquire(addr) \ + AO_fetch_and_add_acquire(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_acquire +#endif +#if defined(AO_HAVE_fetch_and_add_write) \ + && !defined(AO_HAVE_fetch_and_sub1_write) +# define AO_fetch_and_sub1_write(addr) \ + AO_fetch_and_add_write(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_write +#endif +#if defined(AO_HAVE_fetch_and_add_read) \ + && !defined(AO_HAVE_fetch_and_sub1_read) +# define AO_fetch_and_sub1_read(addr) \ + AO_fetch_and_add_read(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_read +#endif +#if defined(AO_HAVE_fetch_and_add_release_write) \ + && !defined(AO_HAVE_fetch_and_sub1_release_write) +# define AO_fetch_and_sub1_release_write(addr) \ + AO_fetch_and_add_release_write(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_release_write +#endif +#if defined(AO_HAVE_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_fetch_and_sub1_acquire_read) +# define AO_fetch_and_sub1_acquire_read(addr) \ + AO_fetch_and_add_acquire_read(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1_acquire_read +#endif +#if defined(AO_HAVE_fetch_and_add) \ + && !defined(AO_HAVE_fetch_and_sub1) +# define AO_fetch_and_sub1(addr) \ + AO_fetch_and_add(addr, (AO_t)(-1)) +# define AO_HAVE_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_fetch_and_sub1_full) +# if !defined(AO_HAVE_fetch_and_sub1_release) +# define AO_fetch_and_sub1_release(addr) \ + AO_fetch_and_sub1_full(addr) +# define AO_HAVE_fetch_and_sub1_release +# endif +# if !defined(AO_HAVE_fetch_and_sub1_acquire) +# define AO_fetch_and_sub1_acquire(addr) \ + AO_fetch_and_sub1_full(addr) +# define AO_HAVE_fetch_and_sub1_acquire +# endif +# if !defined(AO_HAVE_fetch_and_sub1_write) +# define AO_fetch_and_sub1_write(addr) \ + AO_fetch_and_sub1_full(addr) +# define AO_HAVE_fetch_and_sub1_write +# endif +# if !defined(AO_HAVE_fetch_and_sub1_read) +# define AO_fetch_and_sub1_read(addr) \ + AO_fetch_and_sub1_full(addr) +# define AO_HAVE_fetch_and_sub1_read +# endif +#endif /* AO_HAVE_fetch_and_sub1_full */ + +#if !defined(AO_HAVE_fetch_and_sub1) \ + && defined(AO_HAVE_fetch_and_sub1_release) +# define AO_fetch_and_sub1(addr) AO_fetch_and_sub1_release(addr) +# define AO_HAVE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_fetch_and_sub1) \ + && defined(AO_HAVE_fetch_and_sub1_acquire) +# define AO_fetch_and_sub1(addr) AO_fetch_and_sub1_acquire(addr) +# define AO_HAVE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_fetch_and_sub1) \ + && defined(AO_HAVE_fetch_and_sub1_write) +# define AO_fetch_and_sub1(addr) AO_fetch_and_sub1_write(addr) +# define AO_HAVE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_fetch_and_sub1) \ + && defined(AO_HAVE_fetch_and_sub1_read) +# define AO_fetch_and_sub1(addr) AO_fetch_and_sub1_read(addr) +# define AO_HAVE_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_fetch_and_sub1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_and_sub1_full) +# define AO_fetch_and_sub1_full(addr) \ + (AO_nop_full(), AO_fetch_and_sub1_acquire(addr)) +# define AO_HAVE_fetch_and_sub1_full +#endif + +#if !defined(AO_HAVE_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_fetch_and_sub1_write) +# define AO_fetch_and_sub1_release_write(addr) \ + AO_fetch_and_sub1_write(addr) +# define AO_HAVE_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_fetch_and_sub1_release) +# define AO_fetch_and_sub1_release_write(addr) \ + AO_fetch_and_sub1_release(addr) +# define AO_HAVE_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_fetch_and_sub1_read) +# define AO_fetch_and_sub1_acquire_read(addr) \ + AO_fetch_and_sub1_read(addr) +# define AO_HAVE_fetch_and_sub1_acquire_read +#endif +#if !defined(AO_HAVE_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_fetch_and_sub1_acquire) +# define AO_fetch_and_sub1_acquire_read(addr) \ + AO_fetch_and_sub1_acquire(addr) +# define AO_HAVE_fetch_and_sub1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_fetch_and_sub1_acquire_read) +# define AO_fetch_and_sub1_dd_acquire_read(addr) \ + AO_fetch_and_sub1_acquire_read(addr) +# define AO_HAVE_fetch_and_sub1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_fetch_and_sub1) +# define AO_fetch_and_sub1_dd_acquire_read(addr) \ + AO_fetch_and_sub1(addr) +# define AO_HAVE_fetch_and_sub1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* and */ +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_and_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_and_full(volatile AO_t *addr, AO_t value) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_full(addr, old, + old & value))); + } +# define AO_HAVE_and_full +#endif + +#if defined(AO_HAVE_and_full) +# if !defined(AO_HAVE_and_release) +# define AO_and_release(addr, val) AO_and_full(addr, val) +# define AO_HAVE_and_release +# endif +# if !defined(AO_HAVE_and_acquire) +# define AO_and_acquire(addr, val) AO_and_full(addr, val) +# define AO_HAVE_and_acquire +# endif +# if !defined(AO_HAVE_and_write) +# define AO_and_write(addr, val) AO_and_full(addr, val) +# define AO_HAVE_and_write +# endif +# if !defined(AO_HAVE_and_read) +# define AO_and_read(addr, val) AO_and_full(addr, val) +# define AO_HAVE_and_read +# endif +#endif /* AO_HAVE_and_full */ + +#if !defined(AO_HAVE_and) && defined(AO_HAVE_and_release) +# define AO_and(addr, val) AO_and_release(addr, val) +# define AO_HAVE_and +#endif +#if !defined(AO_HAVE_and) && defined(AO_HAVE_and_acquire) +# define AO_and(addr, val) AO_and_acquire(addr, val) +# define AO_HAVE_and +#endif +#if !defined(AO_HAVE_and) && defined(AO_HAVE_and_write) +# define AO_and(addr, val) AO_and_write(addr, val) +# define AO_HAVE_and +#endif +#if !defined(AO_HAVE_and) && defined(AO_HAVE_and_read) +# define AO_and(addr, val) AO_and_read(addr, val) +# define AO_HAVE_and +#endif + +#if defined(AO_HAVE_and_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_and_full) +# define AO_and_full(addr, val) \ + (AO_nop_full(), AO_and_acquire(addr, val)) +# define AO_HAVE_and_full +#endif + +#if !defined(AO_HAVE_and_release_write) \ + && defined(AO_HAVE_and_write) +# define AO_and_release_write(addr, val) AO_and_write(addr, val) +# define AO_HAVE_and_release_write +#endif +#if !defined(AO_HAVE_and_release_write) \ + && defined(AO_HAVE_and_release) +# define AO_and_release_write(addr, val) AO_and_release(addr, val) +# define AO_HAVE_and_release_write +#endif +#if !defined(AO_HAVE_and_acquire_read) \ + && defined(AO_HAVE_and_read) +# define AO_and_acquire_read(addr, val) AO_and_read(addr, val) +# define AO_HAVE_and_acquire_read +#endif +#if !defined(AO_HAVE_and_acquire_read) \ + && defined(AO_HAVE_and_acquire) +# define AO_and_acquire_read(addr, val) AO_and_acquire(addr, val) +# define AO_HAVE_and_acquire_read +#endif + +/* or */ +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_or_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_or_full(volatile AO_t *addr, AO_t value) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_full(addr, old, + old | value))); + } +# define AO_HAVE_or_full +#endif + +#if defined(AO_HAVE_or_full) +# if !defined(AO_HAVE_or_release) +# define AO_or_release(addr, val) AO_or_full(addr, val) +# define AO_HAVE_or_release +# endif +# if !defined(AO_HAVE_or_acquire) +# define AO_or_acquire(addr, val) AO_or_full(addr, val) +# define AO_HAVE_or_acquire +# endif +# if !defined(AO_HAVE_or_write) +# define AO_or_write(addr, val) AO_or_full(addr, val) +# define AO_HAVE_or_write +# endif +# if !defined(AO_HAVE_or_read) +# define AO_or_read(addr, val) AO_or_full(addr, val) +# define AO_HAVE_or_read +# endif +#endif /* AO_HAVE_or_full */ + +#if !defined(AO_HAVE_or) && defined(AO_HAVE_or_release) +# define AO_or(addr, val) AO_or_release(addr, val) +# define AO_HAVE_or +#endif +#if !defined(AO_HAVE_or) && defined(AO_HAVE_or_acquire) +# define AO_or(addr, val) AO_or_acquire(addr, val) +# define AO_HAVE_or +#endif +#if !defined(AO_HAVE_or) && defined(AO_HAVE_or_write) +# define AO_or(addr, val) AO_or_write(addr, val) +# define AO_HAVE_or +#endif +#if !defined(AO_HAVE_or) && defined(AO_HAVE_or_read) +# define AO_or(addr, val) AO_or_read(addr, val) +# define AO_HAVE_or +#endif + +#if defined(AO_HAVE_or_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_or_full) +# define AO_or_full(addr, val) \ + (AO_nop_full(), AO_or_acquire(addr, val)) +# define AO_HAVE_or_full +#endif + +#if !defined(AO_HAVE_or_release_write) \ + && defined(AO_HAVE_or_write) +# define AO_or_release_write(addr, val) AO_or_write(addr, val) +# define AO_HAVE_or_release_write +#endif +#if !defined(AO_HAVE_or_release_write) \ + && defined(AO_HAVE_or_release) +# define AO_or_release_write(addr, val) AO_or_release(addr, val) +# define AO_HAVE_or_release_write +#endif +#if !defined(AO_HAVE_or_acquire_read) && defined(AO_HAVE_or_read) +# define AO_or_acquire_read(addr, val) AO_or_read(addr, val) +# define AO_HAVE_or_acquire_read +#endif +#if !defined(AO_HAVE_or_acquire_read) \ + && defined(AO_HAVE_or_acquire) +# define AO_or_acquire_read(addr, val) AO_or_acquire(addr, val) +# define AO_HAVE_or_acquire_read +#endif + +/* xor */ +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_xor_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_xor_full(volatile AO_t *addr, AO_t value) + { + AO_t old; + + do + { + old = *(AO_t *)addr; + } + while (AO_EXPECT_FALSE(!AO_compare_and_swap_full(addr, old, + old ^ value))); + } +# define AO_HAVE_xor_full +#endif + +#if defined(AO_HAVE_xor_full) +# if !defined(AO_HAVE_xor_release) +# define AO_xor_release(addr, val) AO_xor_full(addr, val) +# define AO_HAVE_xor_release +# endif +# if !defined(AO_HAVE_xor_acquire) +# define AO_xor_acquire(addr, val) AO_xor_full(addr, val) +# define AO_HAVE_xor_acquire +# endif +# if !defined(AO_HAVE_xor_write) +# define AO_xor_write(addr, val) AO_xor_full(addr, val) +# define AO_HAVE_xor_write +# endif +# if !defined(AO_HAVE_xor_read) +# define AO_xor_read(addr, val) AO_xor_full(addr, val) +# define AO_HAVE_xor_read +# endif +#endif /* AO_HAVE_xor_full */ + +#if !defined(AO_HAVE_xor) && defined(AO_HAVE_xor_release) +# define AO_xor(addr, val) AO_xor_release(addr, val) +# define AO_HAVE_xor +#endif +#if !defined(AO_HAVE_xor) && defined(AO_HAVE_xor_acquire) +# define AO_xor(addr, val) AO_xor_acquire(addr, val) +# define AO_HAVE_xor +#endif +#if !defined(AO_HAVE_xor) && defined(AO_HAVE_xor_write) +# define AO_xor(addr, val) AO_xor_write(addr, val) +# define AO_HAVE_xor +#endif +#if !defined(AO_HAVE_xor) && defined(AO_HAVE_xor_read) +# define AO_xor(addr, val) AO_xor_read(addr, val) +# define AO_HAVE_xor +#endif + +#if defined(AO_HAVE_xor_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_xor_full) +# define AO_xor_full(addr, val) \ + (AO_nop_full(), AO_xor_acquire(addr, val)) +# define AO_HAVE_xor_full +#endif + +#if !defined(AO_HAVE_xor_release_write) \ + && defined(AO_HAVE_xor_write) +# define AO_xor_release_write(addr, val) AO_xor_write(addr, val) +# define AO_HAVE_xor_release_write +#endif +#if !defined(AO_HAVE_xor_release_write) \ + && defined(AO_HAVE_xor_release) +# define AO_xor_release_write(addr, val) AO_xor_release(addr, val) +# define AO_HAVE_xor_release_write +#endif +#if !defined(AO_HAVE_xor_acquire_read) \ + && defined(AO_HAVE_xor_read) +# define AO_xor_acquire_read(addr, val) AO_xor_read(addr, val) +# define AO_HAVE_xor_acquire_read +#endif +#if !defined(AO_HAVE_xor_acquire_read) \ + && defined(AO_HAVE_xor_acquire) +# define AO_xor_acquire_read(addr, val) AO_xor_acquire(addr, val) +# define AO_HAVE_xor_acquire_read +#endif + +/* and/or/xor_dd_acquire_read are meaningless. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.template b/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.template new file mode 100644 index 0000000000..0a21ec234b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/generalize-arithm.template @@ -0,0 +1,852 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* XSIZE_compare_and_swap (based on fetch_compare_and_swap) */ +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_full) + AO_INLINE int + AO_XSIZE_compare_and_swap_full(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_full +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_acquire) + AO_INLINE int + AO_XSIZE_compare_and_swap_acquire(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_release) + AO_INLINE int + AO_XSIZE_compare_and_swap_release(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_release +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_write) + AO_INLINE int + AO_XSIZE_compare_and_swap_write(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_write +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_read) + AO_INLINE int + AO_XSIZE_compare_and_swap_read(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_read +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap) + AO_INLINE int + AO_XSIZE_compare_and_swap(volatile XCTYPE *addr, XCTYPE old_val, + XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release_write) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_release_write) + AO_INLINE int + AO_XSIZE_compare_and_swap_release_write(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_release_write(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_release_write +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) + AO_INLINE int + AO_XSIZE_compare_and_swap_acquire_read(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_acquire_read +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_dd_acquire_read) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read) + AO_INLINE int + AO_XSIZE_compare_and_swap_dd_acquire_read(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return AO_XSIZE_fetch_compare_and_swap_dd_acquire_read(addr, old_val, + new_val) == old_val; + } +# define AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read +#endif + +/* XSIZE_fetch_and_add */ +/* We first try to implement fetch_and_add variants in terms of the */ +/* corresponding compare_and_swap variants to minimize adding barriers. */ +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_fetch_and_add_full(volatile XCTYPE *addr, XCTYPE incr) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_XSIZE_fetch_and_add_full +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_fetch_and_add_acquire(volatile XCTYPE *addr, XCTYPE incr) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_acquire(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_XSIZE_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_release) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add_release) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_fetch_and_add_release(volatile XCTYPE *addr, XCTYPE incr) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_release(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_XSIZE_fetch_and_add_release +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_fetch_and_add(volatile XCTYPE *addr, XCTYPE incr) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap(addr, old, + old + incr))); + return old; + } +# define AO_HAVE_XSIZE_fetch_and_add +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_add_full) +# if !defined(AO_HAVE_XSIZE_fetch_and_add_release) +# define AO_XSIZE_fetch_and_add_release(addr, val) \ + AO_XSIZE_fetch_and_add_full(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_release +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire) +# define AO_XSIZE_fetch_and_add_acquire(addr, val) \ + AO_XSIZE_fetch_and_add_full(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_acquire +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add_write) +# define AO_XSIZE_fetch_and_add_write(addr, val) \ + AO_XSIZE_fetch_and_add_full(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_write +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add_read) +# define AO_XSIZE_fetch_and_add_read(addr, val) \ + AO_XSIZE_fetch_and_add_full(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_read +# endif +#endif /* AO_HAVE_XSIZE_fetch_and_add_full */ + +#if defined(AO_HAVE_XSIZE_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add_acquire) + AO_INLINE XCTYPE + AO_XSIZE_fetch_and_add_acquire(volatile XCTYPE *addr, XCTYPE incr) + { + XCTYPE result = AO_XSIZE_fetch_and_add(addr, incr); + AO_nop_full(); + return result; + } +# define AO_HAVE_XSIZE_fetch_and_add_acquire +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add_release) +# define AO_XSIZE_fetch_and_add_release(addr, incr) \ + (AO_nop_full(), AO_XSIZE_fetch_and_add(addr, incr)) +# define AO_HAVE_XSIZE_fetch_and_add_release +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_and_add) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_release) +# define AO_XSIZE_fetch_and_add(addr, val) \ + AO_XSIZE_fetch_and_add_release(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_acquire) +# define AO_XSIZE_fetch_and_add(addr, val) \ + AO_XSIZE_fetch_and_add_acquire(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_write) +# define AO_XSIZE_fetch_and_add(addr, val) \ + AO_XSIZE_fetch_and_add_write(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_read) +# define AO_XSIZE_fetch_and_add(addr, val) \ + AO_XSIZE_fetch_and_add_read(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) \ + && defined(AO_HAVE_nop_full) && !defined(AO_HAVE_XSIZE_fetch_and_add_full) +# define AO_XSIZE_fetch_and_add_full(addr, val) \ + (AO_nop_full(), AO_XSIZE_fetch_and_add_acquire(addr, val)) +# define AO_HAVE_XSIZE_fetch_and_add_full +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_and_add_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_write) +# define AO_XSIZE_fetch_and_add_release_write(addr, val) \ + AO_XSIZE_fetch_and_add_write(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_release) +# define AO_XSIZE_fetch_and_add_release_write(addr, val) \ + AO_XSIZE_fetch_and_add_release(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_release_write +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_read) +# define AO_XSIZE_fetch_and_add_acquire_read(addr, val) \ + AO_XSIZE_fetch_and_add_read(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_add_acquire) +# define AO_XSIZE_fetch_and_add_acquire_read(addr, val) \ + AO_XSIZE_fetch_and_add_acquire(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) +# define AO_XSIZE_fetch_and_add_dd_acquire_read(addr, val) \ + AO_XSIZE_fetch_and_add_acquire_read(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_fetch_and_add) +# define AO_XSIZE_fetch_and_add_dd_acquire_read(addr, val) \ + AO_XSIZE_fetch_and_add(addr, val) +# define AO_HAVE_XSIZE_fetch_and_add_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_fetch_and_add1 */ +#if defined(AO_HAVE_XSIZE_fetch_and_add_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_full) +# define AO_XSIZE_fetch_and_add1_full(addr) \ + AO_XSIZE_fetch_and_add_full(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_full +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_release) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_release) +# define AO_XSIZE_fetch_and_add1_release(addr) \ + AO_XSIZE_fetch_and_add_release(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_release +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) +# define AO_XSIZE_fetch_and_add1_acquire(addr) \ + AO_XSIZE_fetch_and_add_acquire(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_acquire +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_write) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_write) +# define AO_XSIZE_fetch_and_add1_write(addr) \ + AO_XSIZE_fetch_and_add_write(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_write +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_read) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_read) +# define AO_XSIZE_fetch_and_add1_read(addr) \ + AO_XSIZE_fetch_and_add_read(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_read +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_release_write) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) +# define AO_XSIZE_fetch_and_add1_release_write(addr) \ + AO_XSIZE_fetch_and_add_release_write(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_release_write +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) +# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ + AO_XSIZE_fetch_and_add_acquire_read(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1) +# define AO_XSIZE_fetch_and_add1(addr) AO_XSIZE_fetch_and_add(addr, 1) +# define AO_HAVE_XSIZE_fetch_and_add1 +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_add1_full) +# if !defined(AO_HAVE_XSIZE_fetch_and_add1_release) +# define AO_XSIZE_fetch_and_add1_release(addr) \ + AO_XSIZE_fetch_and_add1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_release +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) +# define AO_XSIZE_fetch_and_add1_acquire(addr) \ + AO_XSIZE_fetch_and_add1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_acquire +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add1_write) +# define AO_XSIZE_fetch_and_add1_write(addr) \ + AO_XSIZE_fetch_and_add1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_write +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_add1_read) +# define AO_XSIZE_fetch_and_add1_read(addr) \ + AO_XSIZE_fetch_and_add1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_read +# endif +#endif /* AO_HAVE_XSIZE_fetch_and_add1_full */ + +#if !defined(AO_HAVE_XSIZE_fetch_and_add1) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_release) +# define AO_XSIZE_fetch_and_add1(addr) AO_XSIZE_fetch_and_add1_release(addr) +# define AO_HAVE_XSIZE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) +# define AO_XSIZE_fetch_and_add1(addr) AO_XSIZE_fetch_and_add1_acquire(addr) +# define AO_HAVE_XSIZE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_write) +# define AO_XSIZE_fetch_and_add1(addr) AO_XSIZE_fetch_and_add1_write(addr) +# define AO_HAVE_XSIZE_fetch_and_add1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_read) +# define AO_XSIZE_fetch_and_add1(addr) AO_XSIZE_fetch_and_add1_read(addr) +# define AO_HAVE_XSIZE_fetch_and_add1 +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_add1_full) +# define AO_XSIZE_fetch_and_add1_full(addr) \ + (AO_nop_full(), AO_XSIZE_fetch_and_add1_acquire(addr)) +# define AO_HAVE_XSIZE_fetch_and_add1_full +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_write) +# define AO_XSIZE_fetch_and_add1_release_write(addr) \ + AO_XSIZE_fetch_and_add1_write(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_release) +# define AO_XSIZE_fetch_and_add1_release_write(addr) \ + AO_XSIZE_fetch_and_add1_release(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_read) +# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ + AO_XSIZE_fetch_and_add1_read(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_add1_acquire) +# define AO_XSIZE_fetch_and_add1_acquire_read(addr) \ + AO_XSIZE_fetch_and_add1_acquire(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_fetch_and_add1_acquire_read) +# define AO_XSIZE_fetch_and_add1_dd_acquire_read(addr) \ + AO_XSIZE_fetch_and_add1_acquire_read(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_fetch_and_add1) +# define AO_XSIZE_fetch_and_add1_dd_acquire_read(addr) \ + AO_XSIZE_fetch_and_add1(addr) +# define AO_HAVE_XSIZE_fetch_and_add1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_fetch_and_sub1 */ +#if defined(AO_HAVE_XSIZE_fetch_and_add_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_full) +# define AO_XSIZE_fetch_and_sub1_full(addr) \ + AO_XSIZE_fetch_and_add_full(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_full +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_release) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_release) +# define AO_XSIZE_fetch_and_sub1_release(addr) \ + AO_XSIZE_fetch_and_add_release(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_release +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) +# define AO_XSIZE_fetch_and_sub1_acquire(addr) \ + AO_XSIZE_fetch_and_add_acquire(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_acquire +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_write) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_write) +# define AO_XSIZE_fetch_and_sub1_write(addr) \ + AO_XSIZE_fetch_and_add_write(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_write +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_read) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_read) +# define AO_XSIZE_fetch_and_sub1_read(addr) \ + AO_XSIZE_fetch_and_add_read(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_read +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_release_write) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) +# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ + AO_XSIZE_fetch_and_add_release_write(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_release_write +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add_acquire_read) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) +# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ + AO_XSIZE_fetch_and_add_acquire_read(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read +#endif +#if defined(AO_HAVE_XSIZE_fetch_and_add) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1) +# define AO_XSIZE_fetch_and_sub1(addr) \ + AO_XSIZE_fetch_and_add(addr, (XCTYPE)(-1)) +# define AO_HAVE_XSIZE_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_sub1_full) +# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release) +# define AO_XSIZE_fetch_and_sub1_release(addr) \ + AO_XSIZE_fetch_and_sub1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_release +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) +# define AO_XSIZE_fetch_and_sub1_acquire(addr) \ + AO_XSIZE_fetch_and_sub1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_acquire +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_write) +# define AO_XSIZE_fetch_and_sub1_write(addr) \ + AO_XSIZE_fetch_and_sub1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_write +# endif +# if !defined(AO_HAVE_XSIZE_fetch_and_sub1_read) +# define AO_XSIZE_fetch_and_sub1_read(addr) \ + AO_XSIZE_fetch_and_sub1_full(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_read +# endif +#endif /* AO_HAVE_XSIZE_fetch_and_sub1_full */ + +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_release) +# define AO_XSIZE_fetch_and_sub1(addr) AO_XSIZE_fetch_and_sub1_release(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) +# define AO_XSIZE_fetch_and_sub1(addr) AO_XSIZE_fetch_and_sub1_acquire(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_write) +# define AO_XSIZE_fetch_and_sub1(addr) AO_XSIZE_fetch_and_sub1_write(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1 +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_read) +# define AO_XSIZE_fetch_and_sub1(addr) AO_XSIZE_fetch_and_sub1_read(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_and_sub1_full) +# define AO_XSIZE_fetch_and_sub1_full(addr) \ + (AO_nop_full(), AO_XSIZE_fetch_and_sub1_acquire(addr)) +# define AO_HAVE_XSIZE_fetch_and_sub1_full +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_write) +# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ + AO_XSIZE_fetch_and_sub1_write(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_release) +# define AO_XSIZE_fetch_and_sub1_release_write(addr) \ + AO_XSIZE_fetch_and_sub1_release(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_read) +# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ + AO_XSIZE_fetch_and_sub1_read(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire) +# define AO_XSIZE_fetch_and_sub1_acquire_read(addr) \ + AO_XSIZE_fetch_and_sub1_acquire(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_fetch_and_sub1_acquire_read) +# define AO_XSIZE_fetch_and_sub1_dd_acquire_read(addr) \ + AO_XSIZE_fetch_and_sub1_acquire_read(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_fetch_and_sub1) +# define AO_XSIZE_fetch_and_sub1_dd_acquire_read(addr) \ + AO_XSIZE_fetch_and_sub1(addr) +# define AO_HAVE_XSIZE_fetch_and_sub1_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_and */ +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_and_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_and_full(volatile XCTYPE *addr, XCTYPE value) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old, + old & value))); + } +# define AO_HAVE_XSIZE_and_full +#endif + +#if defined(AO_HAVE_XSIZE_and_full) +# if !defined(AO_HAVE_XSIZE_and_release) +# define AO_XSIZE_and_release(addr, val) AO_XSIZE_and_full(addr, val) +# define AO_HAVE_XSIZE_and_release +# endif +# if !defined(AO_HAVE_XSIZE_and_acquire) +# define AO_XSIZE_and_acquire(addr, val) AO_XSIZE_and_full(addr, val) +# define AO_HAVE_XSIZE_and_acquire +# endif +# if !defined(AO_HAVE_XSIZE_and_write) +# define AO_XSIZE_and_write(addr, val) AO_XSIZE_and_full(addr, val) +# define AO_HAVE_XSIZE_and_write +# endif +# if !defined(AO_HAVE_XSIZE_and_read) +# define AO_XSIZE_and_read(addr, val) AO_XSIZE_and_full(addr, val) +# define AO_HAVE_XSIZE_and_read +# endif +#endif /* AO_HAVE_XSIZE_and_full */ + +#if !defined(AO_HAVE_XSIZE_and) && defined(AO_HAVE_XSIZE_and_release) +# define AO_XSIZE_and(addr, val) AO_XSIZE_and_release(addr, val) +# define AO_HAVE_XSIZE_and +#endif +#if !defined(AO_HAVE_XSIZE_and) && defined(AO_HAVE_XSIZE_and_acquire) +# define AO_XSIZE_and(addr, val) AO_XSIZE_and_acquire(addr, val) +# define AO_HAVE_XSIZE_and +#endif +#if !defined(AO_HAVE_XSIZE_and) && defined(AO_HAVE_XSIZE_and_write) +# define AO_XSIZE_and(addr, val) AO_XSIZE_and_write(addr, val) +# define AO_HAVE_XSIZE_and +#endif +#if !defined(AO_HAVE_XSIZE_and) && defined(AO_HAVE_XSIZE_and_read) +# define AO_XSIZE_and(addr, val) AO_XSIZE_and_read(addr, val) +# define AO_HAVE_XSIZE_and +#endif + +#if defined(AO_HAVE_XSIZE_and_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_and_full) +# define AO_XSIZE_and_full(addr, val) \ + (AO_nop_full(), AO_XSIZE_and_acquire(addr, val)) +# define AO_HAVE_XSIZE_and_full +#endif + +#if !defined(AO_HAVE_XSIZE_and_release_write) \ + && defined(AO_HAVE_XSIZE_and_write) +# define AO_XSIZE_and_release_write(addr, val) AO_XSIZE_and_write(addr, val) +# define AO_HAVE_XSIZE_and_release_write +#endif +#if !defined(AO_HAVE_XSIZE_and_release_write) \ + && defined(AO_HAVE_XSIZE_and_release) +# define AO_XSIZE_and_release_write(addr, val) AO_XSIZE_and_release(addr, val) +# define AO_HAVE_XSIZE_and_release_write +#endif +#if !defined(AO_HAVE_XSIZE_and_acquire_read) \ + && defined(AO_HAVE_XSIZE_and_read) +# define AO_XSIZE_and_acquire_read(addr, val) AO_XSIZE_and_read(addr, val) +# define AO_HAVE_XSIZE_and_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_and_acquire_read) \ + && defined(AO_HAVE_XSIZE_and_acquire) +# define AO_XSIZE_and_acquire_read(addr, val) AO_XSIZE_and_acquire(addr, val) +# define AO_HAVE_XSIZE_and_acquire_read +#endif + +/* XSIZE_or */ +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_or_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_or_full(volatile XCTYPE *addr, XCTYPE value) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old, + old | value))); + } +# define AO_HAVE_XSIZE_or_full +#endif + +#if defined(AO_HAVE_XSIZE_or_full) +# if !defined(AO_HAVE_XSIZE_or_release) +# define AO_XSIZE_or_release(addr, val) AO_XSIZE_or_full(addr, val) +# define AO_HAVE_XSIZE_or_release +# endif +# if !defined(AO_HAVE_XSIZE_or_acquire) +# define AO_XSIZE_or_acquire(addr, val) AO_XSIZE_or_full(addr, val) +# define AO_HAVE_XSIZE_or_acquire +# endif +# if !defined(AO_HAVE_XSIZE_or_write) +# define AO_XSIZE_or_write(addr, val) AO_XSIZE_or_full(addr, val) +# define AO_HAVE_XSIZE_or_write +# endif +# if !defined(AO_HAVE_XSIZE_or_read) +# define AO_XSIZE_or_read(addr, val) AO_XSIZE_or_full(addr, val) +# define AO_HAVE_XSIZE_or_read +# endif +#endif /* AO_HAVE_XSIZE_or_full */ + +#if !defined(AO_HAVE_XSIZE_or) && defined(AO_HAVE_XSIZE_or_release) +# define AO_XSIZE_or(addr, val) AO_XSIZE_or_release(addr, val) +# define AO_HAVE_XSIZE_or +#endif +#if !defined(AO_HAVE_XSIZE_or) && defined(AO_HAVE_XSIZE_or_acquire) +# define AO_XSIZE_or(addr, val) AO_XSIZE_or_acquire(addr, val) +# define AO_HAVE_XSIZE_or +#endif +#if !defined(AO_HAVE_XSIZE_or) && defined(AO_HAVE_XSIZE_or_write) +# define AO_XSIZE_or(addr, val) AO_XSIZE_or_write(addr, val) +# define AO_HAVE_XSIZE_or +#endif +#if !defined(AO_HAVE_XSIZE_or) && defined(AO_HAVE_XSIZE_or_read) +# define AO_XSIZE_or(addr, val) AO_XSIZE_or_read(addr, val) +# define AO_HAVE_XSIZE_or +#endif + +#if defined(AO_HAVE_XSIZE_or_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_or_full) +# define AO_XSIZE_or_full(addr, val) \ + (AO_nop_full(), AO_XSIZE_or_acquire(addr, val)) +# define AO_HAVE_XSIZE_or_full +#endif + +#if !defined(AO_HAVE_XSIZE_or_release_write) \ + && defined(AO_HAVE_XSIZE_or_write) +# define AO_XSIZE_or_release_write(addr, val) AO_XSIZE_or_write(addr, val) +# define AO_HAVE_XSIZE_or_release_write +#endif +#if !defined(AO_HAVE_XSIZE_or_release_write) \ + && defined(AO_HAVE_XSIZE_or_release) +# define AO_XSIZE_or_release_write(addr, val) AO_XSIZE_or_release(addr, val) +# define AO_HAVE_XSIZE_or_release_write +#endif +#if !defined(AO_HAVE_XSIZE_or_acquire_read) && defined(AO_HAVE_XSIZE_or_read) +# define AO_XSIZE_or_acquire_read(addr, val) AO_XSIZE_or_read(addr, val) +# define AO_HAVE_XSIZE_or_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_or_acquire_read) \ + && defined(AO_HAVE_XSIZE_or_acquire) +# define AO_XSIZE_or_acquire_read(addr, val) AO_XSIZE_or_acquire(addr, val) +# define AO_HAVE_XSIZE_or_acquire_read +#endif + +/* XSIZE_xor */ +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_xor_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_xor_full(volatile XCTYPE *addr, XCTYPE value) + { + XCTYPE old; + + do + { + old = *(XCTYPE *)addr; + } + while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old, + old ^ value))); + } +# define AO_HAVE_XSIZE_xor_full +#endif + +#if defined(AO_HAVE_XSIZE_xor_full) +# if !defined(AO_HAVE_XSIZE_xor_release) +# define AO_XSIZE_xor_release(addr, val) AO_XSIZE_xor_full(addr, val) +# define AO_HAVE_XSIZE_xor_release +# endif +# if !defined(AO_HAVE_XSIZE_xor_acquire) +# define AO_XSIZE_xor_acquire(addr, val) AO_XSIZE_xor_full(addr, val) +# define AO_HAVE_XSIZE_xor_acquire +# endif +# if !defined(AO_HAVE_XSIZE_xor_write) +# define AO_XSIZE_xor_write(addr, val) AO_XSIZE_xor_full(addr, val) +# define AO_HAVE_XSIZE_xor_write +# endif +# if !defined(AO_HAVE_XSIZE_xor_read) +# define AO_XSIZE_xor_read(addr, val) AO_XSIZE_xor_full(addr, val) +# define AO_HAVE_XSIZE_xor_read +# endif +#endif /* AO_HAVE_XSIZE_xor_full */ + +#if !defined(AO_HAVE_XSIZE_xor) && defined(AO_HAVE_XSIZE_xor_release) +# define AO_XSIZE_xor(addr, val) AO_XSIZE_xor_release(addr, val) +# define AO_HAVE_XSIZE_xor +#endif +#if !defined(AO_HAVE_XSIZE_xor) && defined(AO_HAVE_XSIZE_xor_acquire) +# define AO_XSIZE_xor(addr, val) AO_XSIZE_xor_acquire(addr, val) +# define AO_HAVE_XSIZE_xor +#endif +#if !defined(AO_HAVE_XSIZE_xor) && defined(AO_HAVE_XSIZE_xor_write) +# define AO_XSIZE_xor(addr, val) AO_XSIZE_xor_write(addr, val) +# define AO_HAVE_XSIZE_xor +#endif +#if !defined(AO_HAVE_XSIZE_xor) && defined(AO_HAVE_XSIZE_xor_read) +# define AO_XSIZE_xor(addr, val) AO_XSIZE_xor_read(addr, val) +# define AO_HAVE_XSIZE_xor +#endif + +#if defined(AO_HAVE_XSIZE_xor_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_xor_full) +# define AO_XSIZE_xor_full(addr, val) \ + (AO_nop_full(), AO_XSIZE_xor_acquire(addr, val)) +# define AO_HAVE_XSIZE_xor_full +#endif + +#if !defined(AO_HAVE_XSIZE_xor_release_write) \ + && defined(AO_HAVE_XSIZE_xor_write) +# define AO_XSIZE_xor_release_write(addr, val) AO_XSIZE_xor_write(addr, val) +# define AO_HAVE_XSIZE_xor_release_write +#endif +#if !defined(AO_HAVE_XSIZE_xor_release_write) \ + && defined(AO_HAVE_XSIZE_xor_release) +# define AO_XSIZE_xor_release_write(addr, val) AO_XSIZE_xor_release(addr, val) +# define AO_HAVE_XSIZE_xor_release_write +#endif +#if !defined(AO_HAVE_XSIZE_xor_acquire_read) \ + && defined(AO_HAVE_XSIZE_xor_read) +# define AO_XSIZE_xor_acquire_read(addr, val) AO_XSIZE_xor_read(addr, val) +# define AO_HAVE_XSIZE_xor_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_xor_acquire_read) \ + && defined(AO_HAVE_XSIZE_xor_acquire) +# define AO_XSIZE_xor_acquire_read(addr, val) AO_XSIZE_xor_acquire(addr, val) +# define AO_HAVE_XSIZE_xor_acquire_read +#endif + +/* XSIZE_and/or/xor_dd_acquire_read are meaningless. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/generalize-small.h b/thirdparty/libatomic_ops/atomic_ops/generalize-small.h new file mode 100644 index 0000000000..d93d0e827b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/generalize-small.h @@ -0,0 +1,2640 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* char_fetch_compare_and_swap */ +#if defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_compare_and_swap_acquire) + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap_acquire(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + unsigned/**/char result = AO_char_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_char_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_compare_and_swap_release) +# define AO_char_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_char_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_char_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_char_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_char_fetch_compare_and_swap_release) +# define AO_char_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_char_fetch_compare_and_swap_acquire) +# define AO_char_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_char_fetch_compare_and_swap_write) +# define AO_char_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_char_fetch_compare_and_swap_read) +# define AO_char_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_char_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_release) +# define AO_char_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_acquire) +# define AO_char_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_write) +# define AO_char_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_read) +# define AO_char_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_char_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_char_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_fetch_compare_and_swap_full) +# define AO_char_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_char_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_char_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_char_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_write) +# define AO_char_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_release) +# define AO_char_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_read) +# define AO_char_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_char_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_char_fetch_compare_and_swap_acquire) +# define AO_char_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_fetch_compare_and_swap_acquire_read) +# define AO_char_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_fetch_compare_and_swap) +# define AO_char_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_char_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_char_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_compare_and_swap */ +#if defined(AO_HAVE_char_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_compare_and_swap_acquire) + AO_INLINE int + AO_char_compare_and_swap_acquire(volatile unsigned/**/char *addr, unsigned/**/char old, + unsigned/**/char new_val) + { + int result = AO_char_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_char_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_char_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_compare_and_swap_release) +# define AO_char_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_char_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_char_compare_and_swap_release +#endif +#if defined(AO_HAVE_char_compare_and_swap_full) +# if !defined(AO_HAVE_char_compare_and_swap_release) +# define AO_char_compare_and_swap_release(addr, old, new_val) \ + AO_char_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_release +# endif +# if !defined(AO_HAVE_char_compare_and_swap_acquire) +# define AO_char_compare_and_swap_acquire(addr, old, new_val) \ + AO_char_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_char_compare_and_swap_write) +# define AO_char_compare_and_swap_write(addr, old, new_val) \ + AO_char_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_write +# endif +# if !defined(AO_HAVE_char_compare_and_swap_read) +# define AO_char_compare_and_swap_read(addr, old, new_val) \ + AO_char_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_read +# endif +#endif /* AO_HAVE_char_compare_and_swap_full */ + +#if !defined(AO_HAVE_char_compare_and_swap) \ + && defined(AO_HAVE_char_compare_and_swap_release) +# define AO_char_compare_and_swap(addr, old, new_val) \ + AO_char_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap +#endif +#if !defined(AO_HAVE_char_compare_and_swap) \ + && defined(AO_HAVE_char_compare_and_swap_acquire) +# define AO_char_compare_and_swap(addr, old, new_val) \ + AO_char_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap +#endif +#if !defined(AO_HAVE_char_compare_and_swap) \ + && defined(AO_HAVE_char_compare_and_swap_write) +# define AO_char_compare_and_swap(addr, old, new_val) \ + AO_char_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap +#endif +#if !defined(AO_HAVE_char_compare_and_swap) \ + && defined(AO_HAVE_char_compare_and_swap_read) +# define AO_char_compare_and_swap(addr, old, new_val) \ + AO_char_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap +#endif + +#if defined(AO_HAVE_char_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_compare_and_swap_full) +# define AO_char_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_char_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_char_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_char_compare_and_swap_release_write) \ + && defined(AO_HAVE_char_compare_and_swap_write) +# define AO_char_compare_and_swap_release_write(addr, old, new_val) \ + AO_char_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_char_compare_and_swap_release_write) \ + && defined(AO_HAVE_char_compare_and_swap_release) +# define AO_char_compare_and_swap_release_write(addr, old, new_val) \ + AO_char_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_char_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_char_compare_and_swap_read) +# define AO_char_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_char_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_char_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_char_compare_and_swap_acquire) +# define AO_char_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_char_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_compare_and_swap_acquire_read) +# define AO_char_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_char_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_compare_and_swap) +# define AO_char_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_char_compare_and_swap(addr, old, new_val) +# define AO_HAVE_char_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_load */ +#if defined(AO_HAVE_char_load_full) && !defined(AO_HAVE_char_load_acquire) +# define AO_char_load_acquire(addr) AO_char_load_full(addr) +# define AO_HAVE_char_load_acquire +#endif + +#if defined(AO_HAVE_char_load_acquire) && !defined(AO_HAVE_char_load) +# define AO_char_load(addr) AO_char_load_acquire(addr) +# define AO_HAVE_char_load +#endif + +#if defined(AO_HAVE_char_load_full) && !defined(AO_HAVE_char_load_read) +# define AO_char_load_read(addr) AO_char_load_full(addr) +# define AO_HAVE_char_load_read +#endif + +#if !defined(AO_HAVE_char_load_acquire_read) \ + && defined(AO_HAVE_char_load_acquire) +# define AO_char_load_acquire_read(addr) AO_char_load_acquire(addr) +# define AO_HAVE_char_load_acquire_read +#endif + +#if defined(AO_HAVE_char_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_load_acquire) + AO_INLINE unsigned/**/char + AO_char_load_acquire(const volatile unsigned/**/char *addr) + { + unsigned/**/char result = AO_char_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_char_load_acquire +#endif + +#if defined(AO_HAVE_char_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_char_load_read) + AO_INLINE unsigned/**/char + AO_char_load_read(const volatile unsigned/**/char *addr) + { + unsigned/**/char result = AO_char_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_char_load_read +#endif + +#if defined(AO_HAVE_char_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_load_full) +# define AO_char_load_full(addr) (AO_nop_full(), AO_char_load_acquire(addr)) +# define AO_HAVE_char_load_full +#endif + +#if defined(AO_HAVE_char_compare_and_swap_read) \ + && !defined(AO_HAVE_char_load_read) +# define AO_char_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_load_read(const volatile unsigned/**/char *addr) + { + unsigned/**/char result; + + do { + result = *(const unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_read( + (volatile unsigned/**/char *)addr, + result, result))); + return result; + } +# define AO_HAVE_char_load_read +#endif + +#if !defined(AO_HAVE_char_load_acquire_read) \ + && defined(AO_HAVE_char_load_read) +# define AO_char_load_acquire_read(addr) AO_char_load_read(addr) +# define AO_HAVE_char_load_acquire_read +#endif + +#if defined(AO_HAVE_char_load_acquire_read) && !defined(AO_HAVE_char_load) \ + && (!defined(AO_char_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_char_compare_and_swap)) +# define AO_char_load(addr) AO_char_load_acquire_read(addr) +# define AO_HAVE_char_load +#endif + +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_load_full(const volatile unsigned/**/char *addr) + { + unsigned/**/char result; + + do { + result = *(const unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full( + (volatile unsigned/**/char *)addr, + result, result))); + return result; + } +# define AO_HAVE_char_load_full +#endif + +#if defined(AO_HAVE_char_compare_and_swap_acquire) \ + && !defined(AO_HAVE_char_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_load_acquire(const volatile unsigned/**/char *addr) + { + unsigned/**/char result; + + do { + result = *(const unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_acquire( + (volatile unsigned/**/char *)addr, + result, result))); + return result; + } +# define AO_HAVE_char_load_acquire +#endif + +#if defined(AO_HAVE_char_compare_and_swap) && !defined(AO_HAVE_char_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/char + AO_char_load(const volatile unsigned/**/char *addr) + { + unsigned/**/char result; + + do { + result = *(const unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap( + (volatile unsigned/**/char *)addr, + result, result))); + return result; + } +# define AO_HAVE_char_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_char_load_acquire_read) +# define AO_char_load_dd_acquire_read(addr) \ + AO_char_load_acquire_read(addr) +# define AO_HAVE_char_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_char_load) +# define AO_char_load_dd_acquire_read(addr) AO_char_load(addr) +# define AO_HAVE_char_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* char_store */ +#if defined(AO_HAVE_char_store_full) && !defined(AO_HAVE_char_store_release) +# define AO_char_store_release(addr, val) AO_char_store_full(addr, val) +# define AO_HAVE_char_store_release +#endif + +#if defined(AO_HAVE_char_store_release) && !defined(AO_HAVE_char_store) +# define AO_char_store(addr, val) AO_char_store_release(addr, val) +# define AO_HAVE_char_store +#endif + +#if defined(AO_HAVE_char_store_full) && !defined(AO_HAVE_char_store_write) +# define AO_char_store_write(addr, val) AO_char_store_full(addr, val) +# define AO_HAVE_char_store_write +#endif + +#if defined(AO_HAVE_char_store_release) \ + && !defined(AO_HAVE_char_store_release_write) +# define AO_char_store_release_write(addr, val) \ + AO_char_store_release(addr, val) +# define AO_HAVE_char_store_release_write +#endif + +#if defined(AO_HAVE_char_store_write) && !defined(AO_HAVE_char_store) +# define AO_char_store(addr, val) AO_char_store_write(addr, val) +# define AO_HAVE_char_store +#endif + +#if defined(AO_HAVE_char_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_store_release) +# define AO_char_store_release(addr, val) \ + (AO_nop_full(), AO_char_store(addr, val)) +# define AO_HAVE_char_store_release +#endif + +#if defined(AO_HAVE_char_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_char_store_write) +# define AO_char_store_write(addr, val) \ + (AO_nop_write(), AO_char_store(addr, val)) +# define AO_HAVE_char_store_write +#endif + +#if defined(AO_HAVE_char_compare_and_swap_write) \ + && !defined(AO_HAVE_char_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_store_write(volatile unsigned/**/char *addr, unsigned/**/char new_val) + { + unsigned/**/char old_val; + + do { + old_val = *(unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_char_store_write +#endif + +#if defined(AO_HAVE_char_store_write) \ + && !defined(AO_HAVE_char_store_release_write) +# define AO_char_store_release_write(addr, val) \ + AO_char_store_write(addr, val) +# define AO_HAVE_char_store_release_write +#endif + +#if defined(AO_HAVE_char_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_char_store_full) +# define AO_char_store_full(addr, val) \ + (AO_char_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_char_store_full +#endif + +#if defined(AO_HAVE_char_compare_and_swap) && !defined(AO_HAVE_char_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_store(volatile unsigned/**/char *addr, unsigned/**/char new_val) + { + unsigned/**/char old_val; + + do { + old_val = *(unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_char_store +#endif + +#if defined(AO_HAVE_char_compare_and_swap_release) \ + && !defined(AO_HAVE_char_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_store_release(volatile unsigned/**/char *addr, unsigned/**/char new_val) + { + unsigned/**/char old_val; + + do { + old_val = *(unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_char_store_release +#endif + +#if defined(AO_HAVE_char_compare_and_swap_full) \ + && !defined(AO_HAVE_char_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_char_store_full(volatile unsigned/**/char *addr, unsigned/**/char new_val) + { + unsigned/**/char old_val; + + do { + old_val = *(unsigned/**/char *)addr; + } while (AO_EXPECT_FALSE(!AO_char_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_char_store_full +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* short_fetch_compare_and_swap */ +#if defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_compare_and_swap_acquire) + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap_acquire(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + unsigned/**/short result = AO_short_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_short_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_compare_and_swap_release) +# define AO_short_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_short_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_short_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_short_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_short_fetch_compare_and_swap_release) +# define AO_short_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_short_fetch_compare_and_swap_acquire) +# define AO_short_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_short_fetch_compare_and_swap_write) +# define AO_short_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_short_fetch_compare_and_swap_read) +# define AO_short_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_short_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_release) +# define AO_short_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_acquire) +# define AO_short_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_write) +# define AO_short_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_read) +# define AO_short_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_short_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_short_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_fetch_compare_and_swap_full) +# define AO_short_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_short_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_short_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_short_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_write) +# define AO_short_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_release) +# define AO_short_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_read) +# define AO_short_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_short_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_short_fetch_compare_and_swap_acquire) +# define AO_short_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_fetch_compare_and_swap_acquire_read) +# define AO_short_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_fetch_compare_and_swap) +# define AO_short_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_short_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_short_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_compare_and_swap */ +#if defined(AO_HAVE_short_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_compare_and_swap_acquire) + AO_INLINE int + AO_short_compare_and_swap_acquire(volatile unsigned/**/short *addr, unsigned/**/short old, + unsigned/**/short new_val) + { + int result = AO_short_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_short_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_short_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_compare_and_swap_release) +# define AO_short_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_short_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_short_compare_and_swap_release +#endif +#if defined(AO_HAVE_short_compare_and_swap_full) +# if !defined(AO_HAVE_short_compare_and_swap_release) +# define AO_short_compare_and_swap_release(addr, old, new_val) \ + AO_short_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_release +# endif +# if !defined(AO_HAVE_short_compare_and_swap_acquire) +# define AO_short_compare_and_swap_acquire(addr, old, new_val) \ + AO_short_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_short_compare_and_swap_write) +# define AO_short_compare_and_swap_write(addr, old, new_val) \ + AO_short_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_write +# endif +# if !defined(AO_HAVE_short_compare_and_swap_read) +# define AO_short_compare_and_swap_read(addr, old, new_val) \ + AO_short_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_read +# endif +#endif /* AO_HAVE_short_compare_and_swap_full */ + +#if !defined(AO_HAVE_short_compare_and_swap) \ + && defined(AO_HAVE_short_compare_and_swap_release) +# define AO_short_compare_and_swap(addr, old, new_val) \ + AO_short_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap +#endif +#if !defined(AO_HAVE_short_compare_and_swap) \ + && defined(AO_HAVE_short_compare_and_swap_acquire) +# define AO_short_compare_and_swap(addr, old, new_val) \ + AO_short_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap +#endif +#if !defined(AO_HAVE_short_compare_and_swap) \ + && defined(AO_HAVE_short_compare_and_swap_write) +# define AO_short_compare_and_swap(addr, old, new_val) \ + AO_short_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap +#endif +#if !defined(AO_HAVE_short_compare_and_swap) \ + && defined(AO_HAVE_short_compare_and_swap_read) +# define AO_short_compare_and_swap(addr, old, new_val) \ + AO_short_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap +#endif + +#if defined(AO_HAVE_short_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_compare_and_swap_full) +# define AO_short_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_short_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_short_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_short_compare_and_swap_release_write) \ + && defined(AO_HAVE_short_compare_and_swap_write) +# define AO_short_compare_and_swap_release_write(addr, old, new_val) \ + AO_short_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_short_compare_and_swap_release_write) \ + && defined(AO_HAVE_short_compare_and_swap_release) +# define AO_short_compare_and_swap_release_write(addr, old, new_val) \ + AO_short_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_short_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_short_compare_and_swap_read) +# define AO_short_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_short_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_short_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_short_compare_and_swap_acquire) +# define AO_short_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_short_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_compare_and_swap_acquire_read) +# define AO_short_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_short_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_compare_and_swap) +# define AO_short_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_short_compare_and_swap(addr, old, new_val) +# define AO_HAVE_short_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_load */ +#if defined(AO_HAVE_short_load_full) && !defined(AO_HAVE_short_load_acquire) +# define AO_short_load_acquire(addr) AO_short_load_full(addr) +# define AO_HAVE_short_load_acquire +#endif + +#if defined(AO_HAVE_short_load_acquire) && !defined(AO_HAVE_short_load) +# define AO_short_load(addr) AO_short_load_acquire(addr) +# define AO_HAVE_short_load +#endif + +#if defined(AO_HAVE_short_load_full) && !defined(AO_HAVE_short_load_read) +# define AO_short_load_read(addr) AO_short_load_full(addr) +# define AO_HAVE_short_load_read +#endif + +#if !defined(AO_HAVE_short_load_acquire_read) \ + && defined(AO_HAVE_short_load_acquire) +# define AO_short_load_acquire_read(addr) AO_short_load_acquire(addr) +# define AO_HAVE_short_load_acquire_read +#endif + +#if defined(AO_HAVE_short_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_load_acquire) + AO_INLINE unsigned/**/short + AO_short_load_acquire(const volatile unsigned/**/short *addr) + { + unsigned/**/short result = AO_short_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_short_load_acquire +#endif + +#if defined(AO_HAVE_short_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_short_load_read) + AO_INLINE unsigned/**/short + AO_short_load_read(const volatile unsigned/**/short *addr) + { + unsigned/**/short result = AO_short_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_short_load_read +#endif + +#if defined(AO_HAVE_short_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_load_full) +# define AO_short_load_full(addr) (AO_nop_full(), AO_short_load_acquire(addr)) +# define AO_HAVE_short_load_full +#endif + +#if defined(AO_HAVE_short_compare_and_swap_read) \ + && !defined(AO_HAVE_short_load_read) +# define AO_short_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_load_read(const volatile unsigned/**/short *addr) + { + unsigned/**/short result; + + do { + result = *(const unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_read( + (volatile unsigned/**/short *)addr, + result, result))); + return result; + } +# define AO_HAVE_short_load_read +#endif + +#if !defined(AO_HAVE_short_load_acquire_read) \ + && defined(AO_HAVE_short_load_read) +# define AO_short_load_acquire_read(addr) AO_short_load_read(addr) +# define AO_HAVE_short_load_acquire_read +#endif + +#if defined(AO_HAVE_short_load_acquire_read) && !defined(AO_HAVE_short_load) \ + && (!defined(AO_short_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_short_compare_and_swap)) +# define AO_short_load(addr) AO_short_load_acquire_read(addr) +# define AO_HAVE_short_load +#endif + +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_load_full(const volatile unsigned/**/short *addr) + { + unsigned/**/short result; + + do { + result = *(const unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full( + (volatile unsigned/**/short *)addr, + result, result))); + return result; + } +# define AO_HAVE_short_load_full +#endif + +#if defined(AO_HAVE_short_compare_and_swap_acquire) \ + && !defined(AO_HAVE_short_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_load_acquire(const volatile unsigned/**/short *addr) + { + unsigned/**/short result; + + do { + result = *(const unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_acquire( + (volatile unsigned/**/short *)addr, + result, result))); + return result; + } +# define AO_HAVE_short_load_acquire +#endif + +#if defined(AO_HAVE_short_compare_and_swap) && !defined(AO_HAVE_short_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned/**/short + AO_short_load(const volatile unsigned/**/short *addr) + { + unsigned/**/short result; + + do { + result = *(const unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap( + (volatile unsigned/**/short *)addr, + result, result))); + return result; + } +# define AO_HAVE_short_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_short_load_acquire_read) +# define AO_short_load_dd_acquire_read(addr) \ + AO_short_load_acquire_read(addr) +# define AO_HAVE_short_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_short_load) +# define AO_short_load_dd_acquire_read(addr) AO_short_load(addr) +# define AO_HAVE_short_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* short_store */ +#if defined(AO_HAVE_short_store_full) && !defined(AO_HAVE_short_store_release) +# define AO_short_store_release(addr, val) AO_short_store_full(addr, val) +# define AO_HAVE_short_store_release +#endif + +#if defined(AO_HAVE_short_store_release) && !defined(AO_HAVE_short_store) +# define AO_short_store(addr, val) AO_short_store_release(addr, val) +# define AO_HAVE_short_store +#endif + +#if defined(AO_HAVE_short_store_full) && !defined(AO_HAVE_short_store_write) +# define AO_short_store_write(addr, val) AO_short_store_full(addr, val) +# define AO_HAVE_short_store_write +#endif + +#if defined(AO_HAVE_short_store_release) \ + && !defined(AO_HAVE_short_store_release_write) +# define AO_short_store_release_write(addr, val) \ + AO_short_store_release(addr, val) +# define AO_HAVE_short_store_release_write +#endif + +#if defined(AO_HAVE_short_store_write) && !defined(AO_HAVE_short_store) +# define AO_short_store(addr, val) AO_short_store_write(addr, val) +# define AO_HAVE_short_store +#endif + +#if defined(AO_HAVE_short_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_store_release) +# define AO_short_store_release(addr, val) \ + (AO_nop_full(), AO_short_store(addr, val)) +# define AO_HAVE_short_store_release +#endif + +#if defined(AO_HAVE_short_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_short_store_write) +# define AO_short_store_write(addr, val) \ + (AO_nop_write(), AO_short_store(addr, val)) +# define AO_HAVE_short_store_write +#endif + +#if defined(AO_HAVE_short_compare_and_swap_write) \ + && !defined(AO_HAVE_short_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_store_write(volatile unsigned/**/short *addr, unsigned/**/short new_val) + { + unsigned/**/short old_val; + + do { + old_val = *(unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_short_store_write +#endif + +#if defined(AO_HAVE_short_store_write) \ + && !defined(AO_HAVE_short_store_release_write) +# define AO_short_store_release_write(addr, val) \ + AO_short_store_write(addr, val) +# define AO_HAVE_short_store_release_write +#endif + +#if defined(AO_HAVE_short_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_short_store_full) +# define AO_short_store_full(addr, val) \ + (AO_short_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_short_store_full +#endif + +#if defined(AO_HAVE_short_compare_and_swap) && !defined(AO_HAVE_short_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_store(volatile unsigned/**/short *addr, unsigned/**/short new_val) + { + unsigned/**/short old_val; + + do { + old_val = *(unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_short_store +#endif + +#if defined(AO_HAVE_short_compare_and_swap_release) \ + && !defined(AO_HAVE_short_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_store_release(volatile unsigned/**/short *addr, unsigned/**/short new_val) + { + unsigned/**/short old_val; + + do { + old_val = *(unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_short_store_release +#endif + +#if defined(AO_HAVE_short_compare_and_swap_full) \ + && !defined(AO_HAVE_short_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_short_store_full(volatile unsigned/**/short *addr, unsigned/**/short new_val) + { + unsigned/**/short old_val; + + do { + old_val = *(unsigned/**/short *)addr; + } while (AO_EXPECT_FALSE(!AO_short_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_short_store_full +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* int_fetch_compare_and_swap */ +#if defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_acquire) + AO_INLINE unsigned + AO_int_fetch_compare_and_swap_acquire(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + unsigned result = AO_int_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_int_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_release) +# define AO_int_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_int_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_int_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_int_fetch_compare_and_swap_release) +# define AO_int_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_int_fetch_compare_and_swap_acquire) +# define AO_int_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_int_fetch_compare_and_swap_write) +# define AO_int_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_int_fetch_compare_and_swap_read) +# define AO_int_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_int_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_release) +# define AO_int_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_acquire) +# define AO_int_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_write) +# define AO_int_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_read) +# define AO_int_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_int_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_int_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_full) +# define AO_int_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_int_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_int_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_write) +# define AO_int_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_release) +# define AO_int_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_read) +# define AO_int_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_int_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_int_fetch_compare_and_swap_acquire) +# define AO_int_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_fetch_compare_and_swap_acquire_read) +# define AO_int_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_fetch_compare_and_swap) +# define AO_int_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_int_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_int_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_compare_and_swap */ +#if defined(AO_HAVE_int_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_compare_and_swap_acquire) + AO_INLINE int + AO_int_compare_and_swap_acquire(volatile unsigned *addr, unsigned old, + unsigned new_val) + { + int result = AO_int_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_int_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_int_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_compare_and_swap_release) +# define AO_int_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_int_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_int_compare_and_swap_release +#endif +#if defined(AO_HAVE_int_compare_and_swap_full) +# if !defined(AO_HAVE_int_compare_and_swap_release) +# define AO_int_compare_and_swap_release(addr, old, new_val) \ + AO_int_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_release +# endif +# if !defined(AO_HAVE_int_compare_and_swap_acquire) +# define AO_int_compare_and_swap_acquire(addr, old, new_val) \ + AO_int_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_int_compare_and_swap_write) +# define AO_int_compare_and_swap_write(addr, old, new_val) \ + AO_int_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_write +# endif +# if !defined(AO_HAVE_int_compare_and_swap_read) +# define AO_int_compare_and_swap_read(addr, old, new_val) \ + AO_int_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_read +# endif +#endif /* AO_HAVE_int_compare_and_swap_full */ + +#if !defined(AO_HAVE_int_compare_and_swap) \ + && defined(AO_HAVE_int_compare_and_swap_release) +# define AO_int_compare_and_swap(addr, old, new_val) \ + AO_int_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap +#endif +#if !defined(AO_HAVE_int_compare_and_swap) \ + && defined(AO_HAVE_int_compare_and_swap_acquire) +# define AO_int_compare_and_swap(addr, old, new_val) \ + AO_int_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap +#endif +#if !defined(AO_HAVE_int_compare_and_swap) \ + && defined(AO_HAVE_int_compare_and_swap_write) +# define AO_int_compare_and_swap(addr, old, new_val) \ + AO_int_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap +#endif +#if !defined(AO_HAVE_int_compare_and_swap) \ + && defined(AO_HAVE_int_compare_and_swap_read) +# define AO_int_compare_and_swap(addr, old, new_val) \ + AO_int_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap +#endif + +#if defined(AO_HAVE_int_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_compare_and_swap_full) +# define AO_int_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_int_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_int_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_int_compare_and_swap_release_write) \ + && defined(AO_HAVE_int_compare_and_swap_write) +# define AO_int_compare_and_swap_release_write(addr, old, new_val) \ + AO_int_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_int_compare_and_swap_release_write) \ + && defined(AO_HAVE_int_compare_and_swap_release) +# define AO_int_compare_and_swap_release_write(addr, old, new_val) \ + AO_int_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_int_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_int_compare_and_swap_read) +# define AO_int_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_int_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_int_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_int_compare_and_swap_acquire) +# define AO_int_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_int_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_compare_and_swap_acquire_read) +# define AO_int_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_int_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_compare_and_swap) +# define AO_int_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_int_compare_and_swap(addr, old, new_val) +# define AO_HAVE_int_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_load */ +#if defined(AO_HAVE_int_load_full) && !defined(AO_HAVE_int_load_acquire) +# define AO_int_load_acquire(addr) AO_int_load_full(addr) +# define AO_HAVE_int_load_acquire +#endif + +#if defined(AO_HAVE_int_load_acquire) && !defined(AO_HAVE_int_load) +# define AO_int_load(addr) AO_int_load_acquire(addr) +# define AO_HAVE_int_load +#endif + +#if defined(AO_HAVE_int_load_full) && !defined(AO_HAVE_int_load_read) +# define AO_int_load_read(addr) AO_int_load_full(addr) +# define AO_HAVE_int_load_read +#endif + +#if !defined(AO_HAVE_int_load_acquire_read) \ + && defined(AO_HAVE_int_load_acquire) +# define AO_int_load_acquire_read(addr) AO_int_load_acquire(addr) +# define AO_HAVE_int_load_acquire_read +#endif + +#if defined(AO_HAVE_int_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_load_acquire) + AO_INLINE unsigned + AO_int_load_acquire(const volatile unsigned *addr) + { + unsigned result = AO_int_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_int_load_acquire +#endif + +#if defined(AO_HAVE_int_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_int_load_read) + AO_INLINE unsigned + AO_int_load_read(const volatile unsigned *addr) + { + unsigned result = AO_int_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_int_load_read +#endif + +#if defined(AO_HAVE_int_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_load_full) +# define AO_int_load_full(addr) (AO_nop_full(), AO_int_load_acquire(addr)) +# define AO_HAVE_int_load_full +#endif + +#if defined(AO_HAVE_int_compare_and_swap_read) \ + && !defined(AO_HAVE_int_load_read) +# define AO_int_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_load_read(const volatile unsigned *addr) + { + unsigned result; + + do { + result = *(const unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_read( + (volatile unsigned *)addr, + result, result))); + return result; + } +# define AO_HAVE_int_load_read +#endif + +#if !defined(AO_HAVE_int_load_acquire_read) \ + && defined(AO_HAVE_int_load_read) +# define AO_int_load_acquire_read(addr) AO_int_load_read(addr) +# define AO_HAVE_int_load_acquire_read +#endif + +#if defined(AO_HAVE_int_load_acquire_read) && !defined(AO_HAVE_int_load) \ + && (!defined(AO_int_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_int_compare_and_swap)) +# define AO_int_load(addr) AO_int_load_acquire_read(addr) +# define AO_HAVE_int_load +#endif + +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_load_full(const volatile unsigned *addr) + { + unsigned result; + + do { + result = *(const unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full( + (volatile unsigned *)addr, + result, result))); + return result; + } +# define AO_HAVE_int_load_full +#endif + +#if defined(AO_HAVE_int_compare_and_swap_acquire) \ + && !defined(AO_HAVE_int_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_load_acquire(const volatile unsigned *addr) + { + unsigned result; + + do { + result = *(const unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_acquire( + (volatile unsigned *)addr, + result, result))); + return result; + } +# define AO_HAVE_int_load_acquire +#endif + +#if defined(AO_HAVE_int_compare_and_swap) && !defined(AO_HAVE_int_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE unsigned + AO_int_load(const volatile unsigned *addr) + { + unsigned result; + + do { + result = *(const unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap( + (volatile unsigned *)addr, + result, result))); + return result; + } +# define AO_HAVE_int_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_int_load_acquire_read) +# define AO_int_load_dd_acquire_read(addr) \ + AO_int_load_acquire_read(addr) +# define AO_HAVE_int_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_int_load) +# define AO_int_load_dd_acquire_read(addr) AO_int_load(addr) +# define AO_HAVE_int_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* int_store */ +#if defined(AO_HAVE_int_store_full) && !defined(AO_HAVE_int_store_release) +# define AO_int_store_release(addr, val) AO_int_store_full(addr, val) +# define AO_HAVE_int_store_release +#endif + +#if defined(AO_HAVE_int_store_release) && !defined(AO_HAVE_int_store) +# define AO_int_store(addr, val) AO_int_store_release(addr, val) +# define AO_HAVE_int_store +#endif + +#if defined(AO_HAVE_int_store_full) && !defined(AO_HAVE_int_store_write) +# define AO_int_store_write(addr, val) AO_int_store_full(addr, val) +# define AO_HAVE_int_store_write +#endif + +#if defined(AO_HAVE_int_store_release) \ + && !defined(AO_HAVE_int_store_release_write) +# define AO_int_store_release_write(addr, val) \ + AO_int_store_release(addr, val) +# define AO_HAVE_int_store_release_write +#endif + +#if defined(AO_HAVE_int_store_write) && !defined(AO_HAVE_int_store) +# define AO_int_store(addr, val) AO_int_store_write(addr, val) +# define AO_HAVE_int_store +#endif + +#if defined(AO_HAVE_int_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_store_release) +# define AO_int_store_release(addr, val) \ + (AO_nop_full(), AO_int_store(addr, val)) +# define AO_HAVE_int_store_release +#endif + +#if defined(AO_HAVE_int_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_int_store_write) +# define AO_int_store_write(addr, val) \ + (AO_nop_write(), AO_int_store(addr, val)) +# define AO_HAVE_int_store_write +#endif + +#if defined(AO_HAVE_int_compare_and_swap_write) \ + && !defined(AO_HAVE_int_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_store_write(volatile unsigned *addr, unsigned new_val) + { + unsigned old_val; + + do { + old_val = *(unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_int_store_write +#endif + +#if defined(AO_HAVE_int_store_write) \ + && !defined(AO_HAVE_int_store_release_write) +# define AO_int_store_release_write(addr, val) \ + AO_int_store_write(addr, val) +# define AO_HAVE_int_store_release_write +#endif + +#if defined(AO_HAVE_int_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_int_store_full) +# define AO_int_store_full(addr, val) \ + (AO_int_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_int_store_full +#endif + +#if defined(AO_HAVE_int_compare_and_swap) && !defined(AO_HAVE_int_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_store(volatile unsigned *addr, unsigned new_val) + { + unsigned old_val; + + do { + old_val = *(unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_int_store +#endif + +#if defined(AO_HAVE_int_compare_and_swap_release) \ + && !defined(AO_HAVE_int_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_store_release(volatile unsigned *addr, unsigned new_val) + { + unsigned old_val; + + do { + old_val = *(unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_int_store_release +#endif + +#if defined(AO_HAVE_int_compare_and_swap_full) \ + && !defined(AO_HAVE_int_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_int_store_full(volatile unsigned *addr, unsigned new_val) + { + unsigned old_val; + + do { + old_val = *(unsigned *)addr; + } while (AO_EXPECT_FALSE(!AO_int_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_int_store_full +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* fetch_compare_and_swap */ +#if defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_compare_and_swap_acquire) + AO_INLINE AO_t + AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + AO_t result = AO_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_compare_and_swap_release) +# define AO_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_fetch_compare_and_swap_release) +# define AO_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_fetch_compare_and_swap_acquire) +# define AO_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_fetch_compare_and_swap_write) +# define AO_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_fetch_compare_and_swap_read) +# define AO_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_fetch_compare_and_swap_release) +# define AO_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_fetch_compare_and_swap_acquire) +# define AO_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_fetch_compare_and_swap_write) +# define AO_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap) \ + && defined(AO_HAVE_fetch_compare_and_swap_read) +# define AO_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_fetch_compare_and_swap_full) +# define AO_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_fetch_compare_and_swap_write) +# define AO_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_fetch_compare_and_swap_release) +# define AO_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_fetch_compare_and_swap_read) +# define AO_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_fetch_compare_and_swap_acquire) +# define AO_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_fetch_compare_and_swap_acquire_read) +# define AO_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_fetch_compare_and_swap) +# define AO_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* compare_and_swap */ +#if defined(AO_HAVE_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_acquire) + AO_INLINE int + AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, + AO_t new_val) + { + int result = AO_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_release) +# define AO_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_compare_and_swap_release +#endif +#if defined(AO_HAVE_compare_and_swap_full) +# if !defined(AO_HAVE_compare_and_swap_release) +# define AO_compare_and_swap_release(addr, old, new_val) \ + AO_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_compare_and_swap_release +# endif +# if !defined(AO_HAVE_compare_and_swap_acquire) +# define AO_compare_and_swap_acquire(addr, old, new_val) \ + AO_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_compare_and_swap_write) +# define AO_compare_and_swap_write(addr, old, new_val) \ + AO_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_compare_and_swap_write +# endif +# if !defined(AO_HAVE_compare_and_swap_read) +# define AO_compare_and_swap_read(addr, old, new_val) \ + AO_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_compare_and_swap_read +# endif +#endif /* AO_HAVE_compare_and_swap_full */ + +#if !defined(AO_HAVE_compare_and_swap) \ + && defined(AO_HAVE_compare_and_swap_release) +# define AO_compare_and_swap(addr, old, new_val) \ + AO_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_compare_and_swap +#endif +#if !defined(AO_HAVE_compare_and_swap) \ + && defined(AO_HAVE_compare_and_swap_acquire) +# define AO_compare_and_swap(addr, old, new_val) \ + AO_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_compare_and_swap +#endif +#if !defined(AO_HAVE_compare_and_swap) \ + && defined(AO_HAVE_compare_and_swap_write) +# define AO_compare_and_swap(addr, old, new_val) \ + AO_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_compare_and_swap +#endif +#if !defined(AO_HAVE_compare_and_swap) \ + && defined(AO_HAVE_compare_and_swap_read) +# define AO_compare_and_swap(addr, old, new_val) \ + AO_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_compare_and_swap +#endif + +#if defined(AO_HAVE_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_full) +# define AO_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_compare_and_swap_release_write) \ + && defined(AO_HAVE_compare_and_swap_write) +# define AO_compare_and_swap_release_write(addr, old, new_val) \ + AO_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_compare_and_swap_release_write) \ + && defined(AO_HAVE_compare_and_swap_release) +# define AO_compare_and_swap_release_write(addr, old, new_val) \ + AO_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_compare_and_swap_read) +# define AO_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_compare_and_swap_acquire) +# define AO_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_compare_and_swap_acquire_read) +# define AO_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_compare_and_swap) +# define AO_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_compare_and_swap(addr, old, new_val) +# define AO_HAVE_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* load */ +#if defined(AO_HAVE_load_full) && !defined(AO_HAVE_load_acquire) +# define AO_load_acquire(addr) AO_load_full(addr) +# define AO_HAVE_load_acquire +#endif + +#if defined(AO_HAVE_load_acquire) && !defined(AO_HAVE_load) +# define AO_load(addr) AO_load_acquire(addr) +# define AO_HAVE_load +#endif + +#if defined(AO_HAVE_load_full) && !defined(AO_HAVE_load_read) +# define AO_load_read(addr) AO_load_full(addr) +# define AO_HAVE_load_read +#endif + +#if !defined(AO_HAVE_load_acquire_read) \ + && defined(AO_HAVE_load_acquire) +# define AO_load_acquire_read(addr) AO_load_acquire(addr) +# define AO_HAVE_load_acquire_read +#endif + +#if defined(AO_HAVE_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_load_acquire) + AO_INLINE AO_t + AO_load_acquire(const volatile AO_t *addr) + { + AO_t result = AO_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_load_acquire +#endif + +#if defined(AO_HAVE_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_load_read) + AO_INLINE AO_t + AO_load_read(const volatile AO_t *addr) + { + AO_t result = AO_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_load_read +#endif + +#if defined(AO_HAVE_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_load_full) +# define AO_load_full(addr) (AO_nop_full(), AO_load_acquire(addr)) +# define AO_HAVE_load_full +#endif + +#if defined(AO_HAVE_compare_and_swap_read) \ + && !defined(AO_HAVE_load_read) +# define AO_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_load_read(const volatile AO_t *addr) + { + AO_t result; + + do { + result = *(const AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_read( + (volatile AO_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_load_read +#endif + +#if !defined(AO_HAVE_load_acquire_read) \ + && defined(AO_HAVE_load_read) +# define AO_load_acquire_read(addr) AO_load_read(addr) +# define AO_HAVE_load_acquire_read +#endif + +#if defined(AO_HAVE_load_acquire_read) && !defined(AO_HAVE_load) \ + && (!defined(AO_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_compare_and_swap)) +# define AO_load(addr) AO_load_acquire_read(addr) +# define AO_HAVE_load +#endif + +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_load_full(const volatile AO_t *addr) + { + AO_t result; + + do { + result = *(const AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_full( + (volatile AO_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_load_full +#endif + +#if defined(AO_HAVE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_load_acquire(const volatile AO_t *addr) + { + AO_t result; + + do { + result = *(const AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_acquire( + (volatile AO_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_load_acquire +#endif + +#if defined(AO_HAVE_compare_and_swap) && !defined(AO_HAVE_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_t + AO_load(const volatile AO_t *addr) + { + AO_t result; + + do { + result = *(const AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap( + (volatile AO_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_load_acquire_read) +# define AO_load_dd_acquire_read(addr) \ + AO_load_acquire_read(addr) +# define AO_HAVE_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_load) +# define AO_load_dd_acquire_read(addr) AO_load(addr) +# define AO_HAVE_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* store */ +#if defined(AO_HAVE_store_full) && !defined(AO_HAVE_store_release) +# define AO_store_release(addr, val) AO_store_full(addr, val) +# define AO_HAVE_store_release +#endif + +#if defined(AO_HAVE_store_release) && !defined(AO_HAVE_store) +# define AO_store(addr, val) AO_store_release(addr, val) +# define AO_HAVE_store +#endif + +#if defined(AO_HAVE_store_full) && !defined(AO_HAVE_store_write) +# define AO_store_write(addr, val) AO_store_full(addr, val) +# define AO_HAVE_store_write +#endif + +#if defined(AO_HAVE_store_release) \ + && !defined(AO_HAVE_store_release_write) +# define AO_store_release_write(addr, val) \ + AO_store_release(addr, val) +# define AO_HAVE_store_release_write +#endif + +#if defined(AO_HAVE_store_write) && !defined(AO_HAVE_store) +# define AO_store(addr, val) AO_store_write(addr, val) +# define AO_HAVE_store +#endif + +#if defined(AO_HAVE_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_store_release) +# define AO_store_release(addr, val) \ + (AO_nop_full(), AO_store(addr, val)) +# define AO_HAVE_store_release +#endif + +#if defined(AO_HAVE_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_store_write) +# define AO_store_write(addr, val) \ + (AO_nop_write(), AO_store(addr, val)) +# define AO_HAVE_store_write +#endif + +#if defined(AO_HAVE_compare_and_swap_write) \ + && !defined(AO_HAVE_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_store_write(volatile AO_t *addr, AO_t new_val) + { + AO_t old_val; + + do { + old_val = *(AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_store_write +#endif + +#if defined(AO_HAVE_store_write) \ + && !defined(AO_HAVE_store_release_write) +# define AO_store_release_write(addr, val) \ + AO_store_write(addr, val) +# define AO_HAVE_store_release_write +#endif + +#if defined(AO_HAVE_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_store_full) +# define AO_store_full(addr, val) \ + (AO_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_store_full +#endif + +#if defined(AO_HAVE_compare_and_swap) && !defined(AO_HAVE_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_store(volatile AO_t *addr, AO_t new_val) + { + AO_t old_val; + + do { + old_val = *(AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_store +#endif + +#if defined(AO_HAVE_compare_and_swap_release) \ + && !defined(AO_HAVE_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_store_release(volatile AO_t *addr, AO_t new_val) + { + AO_t old_val; + + do { + old_val = *(AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_store_release +#endif + +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_store_full(volatile AO_t *addr, AO_t new_val) + { + AO_t old_val; + + do { + old_val = *(AO_t *)addr; + } while (AO_EXPECT_FALSE(!AO_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_store_full +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* double_fetch_compare_and_swap */ +#if defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_fetch_compare_and_swap_acquire) + AO_INLINE AO_double_t + AO_double_fetch_compare_and_swap_acquire(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_double_t result = AO_double_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_double_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_fetch_compare_and_swap_release) +# define AO_double_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_double_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_double_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_double_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_double_fetch_compare_and_swap_release) +# define AO_double_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_double_fetch_compare_and_swap_acquire) +# define AO_double_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_double_fetch_compare_and_swap_write) +# define AO_double_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_double_fetch_compare_and_swap_read) +# define AO_double_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_double_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_release) +# define AO_double_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_acquire) +# define AO_double_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_write) +# define AO_double_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_read) +# define AO_double_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_double_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_double_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_fetch_compare_and_swap_full) +# define AO_double_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_double_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_double_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_double_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_write) +# define AO_double_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_release) +# define AO_double_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_read) +# define AO_double_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_double_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_double_fetch_compare_and_swap_acquire) +# define AO_double_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_double_fetch_compare_and_swap_acquire_read) +# define AO_double_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_double_fetch_compare_and_swap) +# define AO_double_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_double_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_double_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* double_compare_and_swap */ +#if defined(AO_HAVE_double_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_compare_and_swap_acquire) + AO_INLINE int + AO_double_compare_and_swap_acquire(volatile AO_double_t *addr, AO_double_t old, + AO_double_t new_val) + { + int result = AO_double_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_double_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_double_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_compare_and_swap_release) +# define AO_double_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_double_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_double_compare_and_swap_release +#endif +#if defined(AO_HAVE_double_compare_and_swap_full) +# if !defined(AO_HAVE_double_compare_and_swap_release) +# define AO_double_compare_and_swap_release(addr, old, new_val) \ + AO_double_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_release +# endif +# if !defined(AO_HAVE_double_compare_and_swap_acquire) +# define AO_double_compare_and_swap_acquire(addr, old, new_val) \ + AO_double_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_double_compare_and_swap_write) +# define AO_double_compare_and_swap_write(addr, old, new_val) \ + AO_double_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_write +# endif +# if !defined(AO_HAVE_double_compare_and_swap_read) +# define AO_double_compare_and_swap_read(addr, old, new_val) \ + AO_double_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_read +# endif +#endif /* AO_HAVE_double_compare_and_swap_full */ + +#if !defined(AO_HAVE_double_compare_and_swap) \ + && defined(AO_HAVE_double_compare_and_swap_release) +# define AO_double_compare_and_swap(addr, old, new_val) \ + AO_double_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap +#endif +#if !defined(AO_HAVE_double_compare_and_swap) \ + && defined(AO_HAVE_double_compare_and_swap_acquire) +# define AO_double_compare_and_swap(addr, old, new_val) \ + AO_double_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap +#endif +#if !defined(AO_HAVE_double_compare_and_swap) \ + && defined(AO_HAVE_double_compare_and_swap_write) +# define AO_double_compare_and_swap(addr, old, new_val) \ + AO_double_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap +#endif +#if !defined(AO_HAVE_double_compare_and_swap) \ + && defined(AO_HAVE_double_compare_and_swap_read) +# define AO_double_compare_and_swap(addr, old, new_val) \ + AO_double_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap +#endif + +#if defined(AO_HAVE_double_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_compare_and_swap_full) +# define AO_double_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_double_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_double_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_double_compare_and_swap_release_write) \ + && defined(AO_HAVE_double_compare_and_swap_write) +# define AO_double_compare_and_swap_release_write(addr, old, new_val) \ + AO_double_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_double_compare_and_swap_release_write) \ + && defined(AO_HAVE_double_compare_and_swap_release) +# define AO_double_compare_and_swap_release_write(addr, old, new_val) \ + AO_double_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_double_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_double_compare_and_swap_read) +# define AO_double_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_double_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_double_compare_and_swap_acquire) +# define AO_double_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_double_compare_and_swap_acquire_read) +# define AO_double_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_double_compare_and_swap) +# define AO_double_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* double_load */ +#if defined(AO_HAVE_double_load_full) && !defined(AO_HAVE_double_load_acquire) +# define AO_double_load_acquire(addr) AO_double_load_full(addr) +# define AO_HAVE_double_load_acquire +#endif + +#if defined(AO_HAVE_double_load_acquire) && !defined(AO_HAVE_double_load) +# define AO_double_load(addr) AO_double_load_acquire(addr) +# define AO_HAVE_double_load +#endif + +#if defined(AO_HAVE_double_load_full) && !defined(AO_HAVE_double_load_read) +# define AO_double_load_read(addr) AO_double_load_full(addr) +# define AO_HAVE_double_load_read +#endif + +#if !defined(AO_HAVE_double_load_acquire_read) \ + && defined(AO_HAVE_double_load_acquire) +# define AO_double_load_acquire_read(addr) AO_double_load_acquire(addr) +# define AO_HAVE_double_load_acquire_read +#endif + +#if defined(AO_HAVE_double_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_load_acquire) + AO_INLINE AO_double_t + AO_double_load_acquire(const volatile AO_double_t *addr) + { + AO_double_t result = AO_double_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_double_load_acquire +#endif + +#if defined(AO_HAVE_double_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_double_load_read) + AO_INLINE AO_double_t + AO_double_load_read(const volatile AO_double_t *addr) + { + AO_double_t result = AO_double_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_double_load_read +#endif + +#if defined(AO_HAVE_double_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_load_full) +# define AO_double_load_full(addr) (AO_nop_full(), AO_double_load_acquire(addr)) +# define AO_HAVE_double_load_full +#endif + +#if defined(AO_HAVE_double_compare_and_swap_read) \ + && !defined(AO_HAVE_double_load_read) +# define AO_double_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_double_t + AO_double_load_read(const volatile AO_double_t *addr) + { + AO_double_t result; + + do { + result = *(const AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_read( + (volatile AO_double_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_double_load_read +#endif + +#if !defined(AO_HAVE_double_load_acquire_read) \ + && defined(AO_HAVE_double_load_read) +# define AO_double_load_acquire_read(addr) AO_double_load_read(addr) +# define AO_HAVE_double_load_acquire_read +#endif + +#if defined(AO_HAVE_double_load_acquire_read) && !defined(AO_HAVE_double_load) \ + && (!defined(AO_double_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_double_compare_and_swap)) +# define AO_double_load(addr) AO_double_load_acquire_read(addr) +# define AO_HAVE_double_load +#endif + +#if defined(AO_HAVE_double_compare_and_swap_full) \ + && !defined(AO_HAVE_double_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_double_t + AO_double_load_full(const volatile AO_double_t *addr) + { + AO_double_t result; + + do { + result = *(const AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_full( + (volatile AO_double_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_double_load_full +#endif + +#if defined(AO_HAVE_double_compare_and_swap_acquire) \ + && !defined(AO_HAVE_double_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_double_t + AO_double_load_acquire(const volatile AO_double_t *addr) + { + AO_double_t result; + + do { + result = *(const AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_acquire( + (volatile AO_double_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_double_load_acquire +#endif + +#if defined(AO_HAVE_double_compare_and_swap) && !defined(AO_HAVE_double_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE AO_double_t + AO_double_load(const volatile AO_double_t *addr) + { + AO_double_t result; + + do { + result = *(const AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap( + (volatile AO_double_t *)addr, + result, result))); + return result; + } +# define AO_HAVE_double_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_double_load_acquire_read) +# define AO_double_load_dd_acquire_read(addr) \ + AO_double_load_acquire_read(addr) +# define AO_HAVE_double_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_double_load) +# define AO_double_load_dd_acquire_read(addr) AO_double_load(addr) +# define AO_HAVE_double_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* double_store */ +#if defined(AO_HAVE_double_store_full) && !defined(AO_HAVE_double_store_release) +# define AO_double_store_release(addr, val) AO_double_store_full(addr, val) +# define AO_HAVE_double_store_release +#endif + +#if defined(AO_HAVE_double_store_release) && !defined(AO_HAVE_double_store) +# define AO_double_store(addr, val) AO_double_store_release(addr, val) +# define AO_HAVE_double_store +#endif + +#if defined(AO_HAVE_double_store_full) && !defined(AO_HAVE_double_store_write) +# define AO_double_store_write(addr, val) AO_double_store_full(addr, val) +# define AO_HAVE_double_store_write +#endif + +#if defined(AO_HAVE_double_store_release) \ + && !defined(AO_HAVE_double_store_release_write) +# define AO_double_store_release_write(addr, val) \ + AO_double_store_release(addr, val) +# define AO_HAVE_double_store_release_write +#endif + +#if defined(AO_HAVE_double_store_write) && !defined(AO_HAVE_double_store) +# define AO_double_store(addr, val) AO_double_store_write(addr, val) +# define AO_HAVE_double_store +#endif + +#if defined(AO_HAVE_double_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_store_release) +# define AO_double_store_release(addr, val) \ + (AO_nop_full(), AO_double_store(addr, val)) +# define AO_HAVE_double_store_release +#endif + +#if defined(AO_HAVE_double_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_double_store_write) +# define AO_double_store_write(addr, val) \ + (AO_nop_write(), AO_double_store(addr, val)) +# define AO_HAVE_double_store_write +#endif + +#if defined(AO_HAVE_double_compare_and_swap_write) \ + && !defined(AO_HAVE_double_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_double_store_write(volatile AO_double_t *addr, AO_double_t new_val) + { + AO_double_t old_val; + + do { + old_val = *(AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_double_store_write +#endif + +#if defined(AO_HAVE_double_store_write) \ + && !defined(AO_HAVE_double_store_release_write) +# define AO_double_store_release_write(addr, val) \ + AO_double_store_write(addr, val) +# define AO_HAVE_double_store_release_write +#endif + +#if defined(AO_HAVE_double_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_double_store_full) +# define AO_double_store_full(addr, val) \ + (AO_double_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_double_store_full +#endif + +#if defined(AO_HAVE_double_compare_and_swap) && !defined(AO_HAVE_double_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_double_store(volatile AO_double_t *addr, AO_double_t new_val) + { + AO_double_t old_val; + + do { + old_val = *(AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_double_store +#endif + +#if defined(AO_HAVE_double_compare_and_swap_release) \ + && !defined(AO_HAVE_double_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_double_store_release(volatile AO_double_t *addr, AO_double_t new_val) + { + AO_double_t old_val; + + do { + old_val = *(AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_double_store_release +#endif + +#if defined(AO_HAVE_double_compare_and_swap_full) \ + && !defined(AO_HAVE_double_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_double_store_full(volatile AO_double_t *addr, AO_double_t new_val) + { + AO_double_t old_val; + + do { + old_val = *(AO_double_t *)addr; + } while (AO_EXPECT_FALSE(!AO_double_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_double_store_full +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/generalize-small.template b/thirdparty/libatomic_ops/atomic_ops/generalize-small.template new file mode 100644 index 0000000000..d3490f87b0 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/generalize-small.template @@ -0,0 +1,528 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* XSIZE_fetch_compare_and_swap */ +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap_acquire(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + XCTYPE result = AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release) +# define AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val)) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_release +#endif +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_full) +# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release) +# define AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_release +# endif +# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) +# define AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write) +# define AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_write +# endif +# if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read) +# define AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_read +# endif +#endif /* AO_HAVE_XSIZE_fetch_compare_and_swap_full */ + +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release) +# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) +# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write) +# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read) +# define AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) \ + AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_full) +# define AO_XSIZE_fetch_compare_and_swap_full(addr, old_val, new_val) \ + (AO_nop_full(), \ + AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val)) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_write) +# define AO_XSIZE_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap_write(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release_write) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_release) +# define AO_XSIZE_fetch_compare_and_swap_release_write(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap_release(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_read) +# define AO_XSIZE_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap_read(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire) +# define AO_XSIZE_fetch_compare_and_swap_acquire_read(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap_acquire(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_fetch_compare_and_swap_acquire_read) +# define AO_XSIZE_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap_acquire_read(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_fetch_compare_and_swap) +# define AO_XSIZE_fetch_compare_and_swap_dd_acquire_read(addr,old_val,new_val) \ + AO_XSIZE_fetch_compare_and_swap(addr, old_val, new_val) +# define AO_HAVE_XSIZE_fetch_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_compare_and_swap */ +#if defined(AO_HAVE_XSIZE_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_acquire) + AO_INLINE int + AO_XSIZE_compare_and_swap_acquire(volatile XCTYPE *addr, XCTYPE old, + XCTYPE new_val) + { + int result = AO_XSIZE_compare_and_swap(addr, old, new_val); + AO_nop_full(); + return result; + } +# define AO_HAVE_XSIZE_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_XSIZE_compare_and_swap) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_release) +# define AO_XSIZE_compare_and_swap_release(addr, old, new_val) \ + (AO_nop_full(), AO_XSIZE_compare_and_swap(addr, old, new_val)) +# define AO_HAVE_XSIZE_compare_and_swap_release +#endif +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) +# if !defined(AO_HAVE_XSIZE_compare_and_swap_release) +# define AO_XSIZE_compare_and_swap_release(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_release +# endif +# if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire) +# define AO_XSIZE_compare_and_swap_acquire(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_acquire +# endif +# if !defined(AO_HAVE_XSIZE_compare_and_swap_write) +# define AO_XSIZE_compare_and_swap_write(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_write +# endif +# if !defined(AO_HAVE_XSIZE_compare_and_swap_read) +# define AO_XSIZE_compare_and_swap_read(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_full(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_read +# endif +#endif /* AO_HAVE_XSIZE_compare_and_swap_full */ + +#if !defined(AO_HAVE_XSIZE_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_release) +# define AO_XSIZE_compare_and_swap(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_acquire) +# define AO_XSIZE_compare_and_swap(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_write) +# define AO_XSIZE_compare_and_swap(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_read) +# define AO_XSIZE_compare_and_swap(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_compare_and_swap_full) +# define AO_XSIZE_compare_and_swap_full(addr, old, new_val) \ + (AO_nop_full(), \ + AO_XSIZE_compare_and_swap_acquire(addr, old, new_val)) +# define AO_HAVE_XSIZE_compare_and_swap_full +#endif + +#if !defined(AO_HAVE_XSIZE_compare_and_swap_release_write) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_write) +# define AO_XSIZE_compare_and_swap_release_write(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_write(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap_release_write) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_release) +# define AO_XSIZE_compare_and_swap_release_write(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_release(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_release_write +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_read) +# define AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_read(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_acquire_read +#endif +#if !defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) \ + && defined(AO_HAVE_XSIZE_compare_and_swap_acquire) +# define AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_acquire(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_compare_and_swap_acquire_read) +# define AO_XSIZE_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_XSIZE_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_compare_and_swap) +# define AO_XSIZE_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_XSIZE_compare_and_swap(addr, old, new_val) +# define AO_HAVE_XSIZE_compare_and_swap_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_load */ +#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_acquire) +# define AO_XSIZE_load_acquire(addr) AO_XSIZE_load_full(addr) +# define AO_HAVE_XSIZE_load_acquire +#endif + +#if defined(AO_HAVE_XSIZE_load_acquire) && !defined(AO_HAVE_XSIZE_load) +# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire(addr) +# define AO_HAVE_XSIZE_load +#endif + +#if defined(AO_HAVE_XSIZE_load_full) && !defined(AO_HAVE_XSIZE_load_read) +# define AO_XSIZE_load_read(addr) AO_XSIZE_load_full(addr) +# define AO_HAVE_XSIZE_load_read +#endif + +#if !defined(AO_HAVE_XSIZE_load_acquire_read) \ + && defined(AO_HAVE_XSIZE_load_acquire) +# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_acquire(addr) +# define AO_HAVE_XSIZE_load_acquire_read +#endif + +#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_load_acquire) + AO_INLINE XCTYPE + AO_XSIZE_load_acquire(const volatile XCTYPE *addr) + { + XCTYPE result = AO_XSIZE_load(addr); + + /* Acquire barrier would be useless, since the load could be delayed */ + /* beyond it. */ + AO_nop_full(); + return result; + } +# define AO_HAVE_XSIZE_load_acquire +#endif + +#if defined(AO_HAVE_XSIZE_load) && defined(AO_HAVE_nop_read) \ + && !defined(AO_HAVE_XSIZE_load_read) + AO_INLINE XCTYPE + AO_XSIZE_load_read(const volatile XCTYPE *addr) + { + XCTYPE result = AO_XSIZE_load(addr); + + AO_nop_read(); + return result; + } +# define AO_HAVE_XSIZE_load_read +#endif + +#if defined(AO_HAVE_XSIZE_load_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_load_full) +# define AO_XSIZE_load_full(addr) (AO_nop_full(), AO_XSIZE_load_acquire(addr)) +# define AO_HAVE_XSIZE_load_full +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_read) \ + && !defined(AO_HAVE_XSIZE_load_read) +# define AO_XSIZE_CAS_BASED_LOAD_READ + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_load_read(const volatile XCTYPE *addr) + { + XCTYPE result; + + do { + result = *(const XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_read( + (volatile XCTYPE *)addr, + result, result))); + return result; + } +# define AO_HAVE_XSIZE_load_read +#endif + +#if !defined(AO_HAVE_XSIZE_load_acquire_read) \ + && defined(AO_HAVE_XSIZE_load_read) +# define AO_XSIZE_load_acquire_read(addr) AO_XSIZE_load_read(addr) +# define AO_HAVE_XSIZE_load_acquire_read +#endif + +#if defined(AO_HAVE_XSIZE_load_acquire_read) && !defined(AO_HAVE_XSIZE_load) \ + && (!defined(AO_XSIZE_CAS_BASED_LOAD_READ) \ + || !defined(AO_HAVE_XSIZE_compare_and_swap)) +# define AO_XSIZE_load(addr) AO_XSIZE_load_acquire_read(addr) +# define AO_HAVE_XSIZE_load +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_load_full) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_load_full(const volatile XCTYPE *addr) + { + XCTYPE result; + + do { + result = *(const XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full( + (volatile XCTYPE *)addr, + result, result))); + return result; + } +# define AO_HAVE_XSIZE_load_full +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_XSIZE_load_acquire) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_load_acquire(const volatile XCTYPE *addr) + { + XCTYPE result; + + do { + result = *(const XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_acquire( + (volatile XCTYPE *)addr, + result, result))); + return result; + } +# define AO_HAVE_XSIZE_load_acquire +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap) && !defined(AO_HAVE_XSIZE_load) + AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE XCTYPE + AO_XSIZE_load(const volatile XCTYPE *addr) + { + XCTYPE result; + + do { + result = *(const XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap( + (volatile XCTYPE *)addr, + result, result))); + return result; + } +# define AO_HAVE_XSIZE_load +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_XSIZE_load_acquire_read) +# define AO_XSIZE_load_dd_acquire_read(addr) \ + AO_XSIZE_load_acquire_read(addr) +# define AO_HAVE_XSIZE_load_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_XSIZE_load) +# define AO_XSIZE_load_dd_acquire_read(addr) AO_XSIZE_load(addr) +# define AO_HAVE_XSIZE_load_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* XSIZE_store */ +#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_release) +# define AO_XSIZE_store_release(addr, val) AO_XSIZE_store_full(addr, val) +# define AO_HAVE_XSIZE_store_release +#endif + +#if defined(AO_HAVE_XSIZE_store_release) && !defined(AO_HAVE_XSIZE_store) +# define AO_XSIZE_store(addr, val) AO_XSIZE_store_release(addr, val) +# define AO_HAVE_XSIZE_store +#endif + +#if defined(AO_HAVE_XSIZE_store_full) && !defined(AO_HAVE_XSIZE_store_write) +# define AO_XSIZE_store_write(addr, val) AO_XSIZE_store_full(addr, val) +# define AO_HAVE_XSIZE_store_write +#endif + +#if defined(AO_HAVE_XSIZE_store_release) \ + && !defined(AO_HAVE_XSIZE_store_release_write) +# define AO_XSIZE_store_release_write(addr, val) \ + AO_XSIZE_store_release(addr, val) +# define AO_HAVE_XSIZE_store_release_write +#endif + +#if defined(AO_HAVE_XSIZE_store_write) && !defined(AO_HAVE_XSIZE_store) +# define AO_XSIZE_store(addr, val) AO_XSIZE_store_write(addr, val) +# define AO_HAVE_XSIZE_store +#endif + +#if defined(AO_HAVE_XSIZE_store) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_store_release) +# define AO_XSIZE_store_release(addr, val) \ + (AO_nop_full(), AO_XSIZE_store(addr, val)) +# define AO_HAVE_XSIZE_store_release +#endif + +#if defined(AO_HAVE_XSIZE_store) && defined(AO_HAVE_nop_write) \ + && !defined(AO_HAVE_XSIZE_store_write) +# define AO_XSIZE_store_write(addr, val) \ + (AO_nop_write(), AO_XSIZE_store(addr, val)) +# define AO_HAVE_XSIZE_store_write +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_write) \ + && !defined(AO_HAVE_XSIZE_store_write) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_store_write(volatile XCTYPE *addr, XCTYPE new_val) + { + XCTYPE old_val; + + do { + old_val = *(XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_write(addr, old_val, + new_val))); + } +# define AO_HAVE_XSIZE_store_write +#endif + +#if defined(AO_HAVE_XSIZE_store_write) \ + && !defined(AO_HAVE_XSIZE_store_release_write) +# define AO_XSIZE_store_release_write(addr, val) \ + AO_XSIZE_store_write(addr, val) +# define AO_HAVE_XSIZE_store_release_write +#endif + +#if defined(AO_HAVE_XSIZE_store_release) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_XSIZE_store_full) +# define AO_XSIZE_store_full(addr, val) \ + (AO_XSIZE_store_release(addr, val), \ + AO_nop_full()) +# define AO_HAVE_XSIZE_store_full +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap) && !defined(AO_HAVE_XSIZE_store) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_store(volatile XCTYPE *addr, XCTYPE new_val) + { + XCTYPE old_val; + + do { + old_val = *(XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap(addr, + old_val, new_val))); + } +# define AO_HAVE_XSIZE_store +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_release) \ + && !defined(AO_HAVE_XSIZE_store_release) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_store_release(volatile XCTYPE *addr, XCTYPE new_val) + { + XCTYPE old_val; + + do { + old_val = *(XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_release(addr, old_val, + new_val))); + } +# define AO_HAVE_XSIZE_store_release +#endif + +#if defined(AO_HAVE_XSIZE_compare_and_swap_full) \ + && !defined(AO_HAVE_XSIZE_store_full) + AO_ATTR_NO_SANITIZE_MEMORY AO_ATTR_NO_SANITIZE_THREAD + AO_INLINE void + AO_XSIZE_store_full(volatile XCTYPE *addr, XCTYPE new_val) + { + XCTYPE old_val; + + do { + old_val = *(XCTYPE *)addr; + } while (AO_EXPECT_FALSE(!AO_XSIZE_compare_and_swap_full(addr, old_val, + new_val))); + } +# define AO_HAVE_XSIZE_store_full +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/generalize.h b/thirdparty/libatomic_ops/atomic_ops/generalize.h new file mode 100644 index 0000000000..73b06ed103 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/generalize.h @@ -0,0 +1,729 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Generalize atomic operations for atomic_ops.h. + * Should not be included directly. + * + * We make no attempt to define useless operations, such as + * AO_nop_acquire + * AO_nop_release + * + * We have also so far neglected to define some others, which + * do not appear likely to be useful, e.g. stores with acquire + * or read barriers. + * + * This file is sometimes included twice by atomic_ops.h. + * All definitions include explicit checks that we are not replacing + * an earlier definition. In general, more desirable expansions + * appear earlier so that we are more likely to use them. + * + * We only make safe generalizations, except that by default we define + * the ...dd_acquire_read operations to be equivalent to those without + * a barrier. On platforms for which this is unsafe, the platform-specific + * file must define AO_NO_DD_ORDERING. + */ + +#ifndef AO_ATOMIC_OPS_H +# error This file should not be included directly. +#endif + +/* Generate test_and_set_full, if necessary and possible. */ +#if !defined(AO_HAVE_test_and_set) && !defined(AO_HAVE_test_and_set_release) \ + && !defined(AO_HAVE_test_and_set_acquire) \ + && !defined(AO_HAVE_test_and_set_read) \ + && !defined(AO_HAVE_test_and_set_full) + + /* Emulate AO_compare_and_swap() via AO_fetch_compare_and_swap(). */ +# if defined(AO_HAVE_fetch_compare_and_swap) \ + && !defined(AO_HAVE_compare_and_swap) + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) + { + return AO_fetch_compare_and_swap(addr, old_val, new_val) == old_val; + } +# define AO_HAVE_compare_and_swap +# endif + +# if defined(AO_HAVE_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_compare_and_swap_full) + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, AO_t new_val) + { + return AO_fetch_compare_and_swap_full(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_full +# endif + +# if defined(AO_HAVE_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_compare_and_swap_acquire) + AO_INLINE int + AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_acquire(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_acquire +# endif + +# if defined(AO_HAVE_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_compare_and_swap_release) + AO_INLINE int + AO_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return AO_fetch_compare_and_swap_release(addr, old_val, new_val) + == old_val; + } +# define AO_HAVE_compare_and_swap_release +# endif + +# if defined(AO_CHAR_TS_T) +# define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) \ + AO_char_compare_and_swap_full(a,o,n) +# define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \ + AO_char_compare_and_swap_acquire(a,o,n) +# define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \ + AO_char_compare_and_swap_release(a,o,n) +# define AO_TS_COMPARE_AND_SWAP(a,o,n) AO_char_compare_and_swap(a,o,n) +# endif + +# if defined(AO_AO_TS_T) +# define AO_TS_COMPARE_AND_SWAP_FULL(a,o,n) AO_compare_and_swap_full(a,o,n) +# define AO_TS_COMPARE_AND_SWAP_ACQUIRE(a,o,n) \ + AO_compare_and_swap_acquire(a,o,n) +# define AO_TS_COMPARE_AND_SWAP_RELEASE(a,o,n) \ + AO_compare_and_swap_release(a,o,n) +# define AO_TS_COMPARE_AND_SWAP(a,o,n) AO_compare_and_swap(a,o,n) +# endif + +# if (defined(AO_AO_TS_T) && defined(AO_HAVE_compare_and_swap_full)) \ + || (defined(AO_CHAR_TS_T) && defined(AO_HAVE_char_compare_and_swap_full)) + AO_INLINE AO_TS_VAL_t + AO_test_and_set_full(volatile AO_TS_t *addr) + { + if (AO_TS_COMPARE_AND_SWAP_FULL(addr, AO_TS_CLEAR, AO_TS_SET)) + return AO_TS_CLEAR; + else + return AO_TS_SET; + } +# define AO_HAVE_test_and_set_full +# endif /* AO_HAVE_compare_and_swap_full */ + +# if (defined(AO_AO_TS_T) && defined(AO_HAVE_compare_and_swap_acquire)) \ + || (defined(AO_CHAR_TS_T) \ + && defined(AO_HAVE_char_compare_and_swap_acquire)) + AO_INLINE AO_TS_VAL_t + AO_test_and_set_acquire(volatile AO_TS_t *addr) + { + if (AO_TS_COMPARE_AND_SWAP_ACQUIRE(addr, AO_TS_CLEAR, AO_TS_SET)) + return AO_TS_CLEAR; + else + return AO_TS_SET; + } +# define AO_HAVE_test_and_set_acquire +# endif /* AO_HAVE_compare_and_swap_acquire */ + +# if (defined(AO_AO_TS_T) && defined(AO_HAVE_compare_and_swap_release)) \ + || (defined(AO_CHAR_TS_T) \ + && defined(AO_HAVE_char_compare_and_swap_release)) + AO_INLINE AO_TS_VAL_t + AO_test_and_set_release(volatile AO_TS_t *addr) + { + if (AO_TS_COMPARE_AND_SWAP_RELEASE(addr, AO_TS_CLEAR, AO_TS_SET)) + return AO_TS_CLEAR; + else + return AO_TS_SET; + } +# define AO_HAVE_test_and_set_release +# endif /* AO_HAVE_compare_and_swap_release */ + +# if (defined(AO_AO_TS_T) && defined(AO_HAVE_compare_and_swap)) \ + || (defined(AO_CHAR_TS_T) && defined(AO_HAVE_char_compare_and_swap)) + AO_INLINE AO_TS_VAL_t + AO_test_and_set(volatile AO_TS_t *addr) + { + if (AO_TS_COMPARE_AND_SWAP(addr, AO_TS_CLEAR, AO_TS_SET)) + return AO_TS_CLEAR; + else + return AO_TS_SET; + } +# define AO_HAVE_test_and_set +# endif /* AO_HAVE_compare_and_swap */ +#endif /* No prior test and set */ + +/* Nop */ +#if !defined(AO_HAVE_nop) + AO_INLINE void AO_nop(void) {} +# define AO_HAVE_nop +#endif + +#if defined(AO_HAVE_test_and_set_full) && !defined(AO_HAVE_nop_full) + AO_INLINE void + AO_nop_full(void) + { + AO_TS_t dummy = AO_TS_INITIALIZER; + AO_test_and_set_full(&dummy); + } +# define AO_HAVE_nop_full +#endif + +#if defined(AO_HAVE_nop_acquire) && !defined(CPPCHECK) +# error AO_nop_acquire is useless: do not define. +#endif + +#if defined(AO_HAVE_nop_release) && !defined(CPPCHECK) +# error AO_nop_release is useless: do not define. +#endif + +#if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_read) +# define AO_nop_read() AO_nop_full() +# define AO_HAVE_nop_read +#endif + +#if defined(AO_HAVE_nop_full) && !defined(AO_HAVE_nop_write) +# define AO_nop_write() AO_nop_full() +# define AO_HAVE_nop_write +#endif + +/* Test_and_set */ +#if defined(AO_HAVE_test_and_set) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_test_and_set_release) +# define AO_test_and_set_release(addr) (AO_nop_full(), AO_test_and_set(addr)) +# define AO_HAVE_test_and_set_release +#endif + +#if defined(AO_HAVE_test_and_set) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_test_and_set_acquire) + AO_INLINE AO_TS_VAL_t + AO_test_and_set_acquire(volatile AO_TS_t *addr) + { + AO_TS_VAL_t result = AO_test_and_set(addr); + AO_nop_full(); + return result; + } +# define AO_HAVE_test_and_set_acquire +#endif + +#if defined(AO_HAVE_test_and_set_full) +# if !defined(AO_HAVE_test_and_set_release) +# define AO_test_and_set_release(addr) AO_test_and_set_full(addr) +# define AO_HAVE_test_and_set_release +# endif +# if !defined(AO_HAVE_test_and_set_acquire) +# define AO_test_and_set_acquire(addr) AO_test_and_set_full(addr) +# define AO_HAVE_test_and_set_acquire +# endif +# if !defined(AO_HAVE_test_and_set_write) +# define AO_test_and_set_write(addr) AO_test_and_set_full(addr) +# define AO_HAVE_test_and_set_write +# endif +# if !defined(AO_HAVE_test_and_set_read) +# define AO_test_and_set_read(addr) AO_test_and_set_full(addr) +# define AO_HAVE_test_and_set_read +# endif +#endif /* AO_HAVE_test_and_set_full */ + +#if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_release) +# define AO_test_and_set(addr) AO_test_and_set_release(addr) +# define AO_HAVE_test_and_set +#endif +#if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_acquire) +# define AO_test_and_set(addr) AO_test_and_set_acquire(addr) +# define AO_HAVE_test_and_set +#endif +#if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_write) +# define AO_test_and_set(addr) AO_test_and_set_write(addr) +# define AO_HAVE_test_and_set +#endif +#if !defined(AO_HAVE_test_and_set) && defined(AO_HAVE_test_and_set_read) +# define AO_test_and_set(addr) AO_test_and_set_read(addr) +# define AO_HAVE_test_and_set +#endif + +#if defined(AO_HAVE_test_and_set_acquire) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_test_and_set_full) +# define AO_test_and_set_full(addr) \ + (AO_nop_full(), AO_test_and_set_acquire(addr)) +# define AO_HAVE_test_and_set_full +#endif + +#if !defined(AO_HAVE_test_and_set_release_write) \ + && defined(AO_HAVE_test_and_set_write) +# define AO_test_and_set_release_write(addr) AO_test_and_set_write(addr) +# define AO_HAVE_test_and_set_release_write +#endif +#if !defined(AO_HAVE_test_and_set_release_write) \ + && defined(AO_HAVE_test_and_set_release) +# define AO_test_and_set_release_write(addr) AO_test_and_set_release(addr) +# define AO_HAVE_test_and_set_release_write +#endif +#if !defined(AO_HAVE_test_and_set_acquire_read) \ + && defined(AO_HAVE_test_and_set_read) +# define AO_test_and_set_acquire_read(addr) AO_test_and_set_read(addr) +# define AO_HAVE_test_and_set_acquire_read +#endif +#if !defined(AO_HAVE_test_and_set_acquire_read) \ + && defined(AO_HAVE_test_and_set_acquire) +# define AO_test_and_set_acquire_read(addr) AO_test_and_set_acquire(addr) +# define AO_HAVE_test_and_set_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_test_and_set_acquire_read) +# define AO_test_and_set_dd_acquire_read(addr) \ + AO_test_and_set_acquire_read(addr) +# define AO_HAVE_test_and_set_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_test_and_set) +# define AO_test_and_set_dd_acquire_read(addr) AO_test_and_set(addr) +# define AO_HAVE_test_and_set_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +#include "generalize-small.h" + +#include "generalize-arithm.h" + +/* Compare_double_and_swap_double based on double_compare_and_swap. */ +#ifdef AO_HAVE_DOUBLE_PTR_STORAGE +# if defined(AO_HAVE_double_compare_and_swap) \ + && !defined(AO_HAVE_compare_double_and_swap_double) + AO_INLINE int + AO_compare_double_and_swap_double(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_double_t old_w; + AO_double_t new_w; + old_w.AO_val1 = old_val1; + old_w.AO_val2 = old_val2; + new_w.AO_val1 = new_val1; + new_w.AO_val2 = new_val2; + return AO_double_compare_and_swap(addr, old_w, new_w); + } +# define AO_HAVE_compare_double_and_swap_double +# endif +# if defined(AO_HAVE_double_compare_and_swap_acquire) \ + && !defined(AO_HAVE_compare_double_and_swap_double_acquire) + AO_INLINE int + AO_compare_double_and_swap_double_acquire(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_double_t old_w; + AO_double_t new_w; + old_w.AO_val1 = old_val1; + old_w.AO_val2 = old_val2; + new_w.AO_val1 = new_val1; + new_w.AO_val2 = new_val2; + return AO_double_compare_and_swap_acquire(addr, old_w, new_w); + } +# define AO_HAVE_compare_double_and_swap_double_acquire +# endif +# if defined(AO_HAVE_double_compare_and_swap_release) \ + && !defined(AO_HAVE_compare_double_and_swap_double_release) + AO_INLINE int + AO_compare_double_and_swap_double_release(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_double_t old_w; + AO_double_t new_w; + old_w.AO_val1 = old_val1; + old_w.AO_val2 = old_val2; + new_w.AO_val1 = new_val1; + new_w.AO_val2 = new_val2; + return AO_double_compare_and_swap_release(addr, old_w, new_w); + } +# define AO_HAVE_compare_double_and_swap_double_release +# endif +# if defined(AO_HAVE_double_compare_and_swap_full) \ + && !defined(AO_HAVE_compare_double_and_swap_double_full) + AO_INLINE int + AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_double_t old_w; + AO_double_t new_w; + old_w.AO_val1 = old_val1; + old_w.AO_val2 = old_val2; + new_w.AO_val1 = new_val1; + new_w.AO_val2 = new_val2; + return AO_double_compare_and_swap_full(addr, old_w, new_w); + } +# define AO_HAVE_compare_double_and_swap_double_full +# endif +#endif /* AO_HAVE_DOUBLE_PTR_STORAGE */ + +/* Compare_double_and_swap_double */ +#if defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_double_and_swap_double_acquire) + AO_INLINE int + AO_compare_double_and_swap_double_acquire(volatile AO_double_t *addr, + AO_t o1, AO_t o2, + AO_t n1, AO_t n2) + { + int result = AO_compare_double_and_swap_double(addr, o1, o2, n1, n2); + AO_nop_full(); + return result; + } +# define AO_HAVE_compare_double_and_swap_double_acquire +#endif +#if defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_double_and_swap_double_release) +# define AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) \ + (AO_nop_full(), AO_compare_double_and_swap_double(addr,o1,o2,n1,n2)) +# define AO_HAVE_compare_double_and_swap_double_release +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_full) +# if !defined(AO_HAVE_compare_double_and_swap_double_release) +# define AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_release +# endif +# if !defined(AO_HAVE_compare_double_and_swap_double_acquire) +# define AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_acquire +# endif +# if !defined(AO_HAVE_compare_double_and_swap_double_write) +# define AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_write +# endif +# if !defined(AO_HAVE_compare_double_and_swap_double_read) +# define AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_read +# endif +#endif /* AO_HAVE_compare_double_and_swap_double_full */ + +#if !defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_compare_double_and_swap_double_release) +# define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_compare_double_and_swap_double_acquire) +# define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_compare_double_and_swap_double_write) +# define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double) \ + && defined(AO_HAVE_compare_double_and_swap_double_read) +# define AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double +#endif + +#if defined(AO_HAVE_compare_double_and_swap_double_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_double_and_swap_double_full) +# define AO_compare_double_and_swap_double_full(addr,o1,o2,n1,n2) \ + (AO_nop_full(), \ + AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2)) +# define AO_HAVE_compare_double_and_swap_double_full +#endif + +#if !defined(AO_HAVE_compare_double_and_swap_double_release_write) \ + && defined(AO_HAVE_compare_double_and_swap_double_write) +# define AO_compare_double_and_swap_double_release_write(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_write(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_release_write +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double_release_write) \ + && defined(AO_HAVE_compare_double_and_swap_double_release) +# define AO_compare_double_and_swap_double_release_write(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_release(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_release_write +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \ + && defined(AO_HAVE_compare_double_and_swap_double_read) +# define AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_read(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_acquire_read +#endif +#if !defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \ + && defined(AO_HAVE_compare_double_and_swap_double_acquire) +# define AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_acquire(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_compare_double_and_swap_double_acquire_read) +# define AO_compare_double_and_swap_double_dd_acquire_read(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double_acquire_read(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_compare_double_and_swap_double) +# define AO_compare_double_and_swap_double_dd_acquire_read(addr,o1,o2,n1,n2) \ + AO_compare_double_and_swap_double(addr,o1,o2,n1,n2) +# define AO_HAVE_compare_double_and_swap_double_dd_acquire_read +# endif +#endif /* !AO_NO_DD_ORDERING */ + +/* Compare_and_swap_double */ +#if defined(AO_HAVE_compare_and_swap_double) && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_double_acquire) + AO_INLINE int + AO_compare_and_swap_double_acquire(volatile AO_double_t *addr, + AO_t o1, + AO_t n1, AO_t n2) + { + int result = AO_compare_and_swap_double(addr, o1, n1, n2); + AO_nop_full(); + return result; + } +# define AO_HAVE_compare_and_swap_double_acquire +#endif +#if defined(AO_HAVE_compare_and_swap_double) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_double_release) +# define AO_compare_and_swap_double_release(addr,o1,n1,n2) \ + (AO_nop_full(), AO_compare_and_swap_double(addr,o1,n1,n2)) +# define AO_HAVE_compare_and_swap_double_release +#endif +#if defined(AO_HAVE_compare_and_swap_double_full) +# if !defined(AO_HAVE_compare_and_swap_double_release) +# define AO_compare_and_swap_double_release(addr,o1,n1,n2) \ + AO_compare_and_swap_double_full(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_release +# endif +# if !defined(AO_HAVE_compare_and_swap_double_acquire) +# define AO_compare_and_swap_double_acquire(addr,o1,n1,n2) \ + AO_compare_and_swap_double_full(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_acquire +# endif +# if !defined(AO_HAVE_compare_and_swap_double_write) +# define AO_compare_and_swap_double_write(addr,o1,n1,n2) \ + AO_compare_and_swap_double_full(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_write +# endif +# if !defined(AO_HAVE_compare_and_swap_double_read) +# define AO_compare_and_swap_double_read(addr,o1,n1,n2) \ + AO_compare_and_swap_double_full(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_read +# endif +#endif /* AO_HAVE_compare_and_swap_double_full */ + +#if !defined(AO_HAVE_compare_and_swap_double) \ + && defined(AO_HAVE_compare_and_swap_double_release) +# define AO_compare_and_swap_double(addr,o1,n1,n2) \ + AO_compare_and_swap_double_release(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double +#endif +#if !defined(AO_HAVE_compare_and_swap_double) \ + && defined(AO_HAVE_compare_and_swap_double_acquire) +# define AO_compare_and_swap_double(addr,o1,n1,n2) \ + AO_compare_and_swap_double_acquire(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double +#endif +#if !defined(AO_HAVE_compare_and_swap_double) \ + && defined(AO_HAVE_compare_and_swap_double_write) +# define AO_compare_and_swap_double(addr,o1,n1,n2) \ + AO_compare_and_swap_double_write(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double +#endif +#if !defined(AO_HAVE_compare_and_swap_double) \ + && defined(AO_HAVE_compare_and_swap_double_read) +# define AO_compare_and_swap_double(addr,o1,n1,n2) \ + AO_compare_and_swap_double_read(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double +#endif + +#if defined(AO_HAVE_compare_and_swap_double_acquire) \ + && defined(AO_HAVE_nop_full) \ + && !defined(AO_HAVE_compare_and_swap_double_full) +# define AO_compare_and_swap_double_full(addr,o1,n1,n2) \ + (AO_nop_full(), AO_compare_and_swap_double_acquire(addr,o1,n1,n2)) +# define AO_HAVE_compare_and_swap_double_full +#endif + +#if !defined(AO_HAVE_compare_and_swap_double_release_write) \ + && defined(AO_HAVE_compare_and_swap_double_write) +# define AO_compare_and_swap_double_release_write(addr,o1,n1,n2) \ + AO_compare_and_swap_double_write(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_release_write +#endif +#if !defined(AO_HAVE_compare_and_swap_double_release_write) \ + && defined(AO_HAVE_compare_and_swap_double_release) +# define AO_compare_and_swap_double_release_write(addr,o1,n1,n2) \ + AO_compare_and_swap_double_release(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_release_write +#endif +#if !defined(AO_HAVE_compare_and_swap_double_acquire_read) \ + && defined(AO_HAVE_compare_and_swap_double_read) +# define AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2) \ + AO_compare_and_swap_double_read(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_acquire_read +#endif +#if !defined(AO_HAVE_compare_and_swap_double_acquire_read) \ + && defined(AO_HAVE_compare_and_swap_double_acquire) +# define AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2) \ + AO_compare_and_swap_double_acquire(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_acquire_read +#endif + +#ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_compare_and_swap_double_acquire_read) +# define AO_compare_and_swap_double_dd_acquire_read(addr,o1,n1,n2) \ + AO_compare_and_swap_double_acquire_read(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_dd_acquire_read +# endif +#else +# if defined(AO_HAVE_compare_and_swap_double) +# define AO_compare_and_swap_double_dd_acquire_read(addr,o1,n1,n2) \ + AO_compare_and_swap_double(addr,o1,n1,n2) +# define AO_HAVE_compare_and_swap_double_dd_acquire_read +# endif +#endif + +/* Convenience functions for AO_double compare-and-swap which types and */ +/* reads easier in code. */ +#if defined(AO_HAVE_compare_double_and_swap_double) \ + && !defined(AO_HAVE_double_compare_and_swap) + AO_INLINE int + AO_double_compare_and_swap(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_release) \ + && !defined(AO_HAVE_double_compare_and_swap_release) + AO_INLINE int + AO_double_compare_and_swap_release(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_release(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_release +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_acquire) \ + && !defined(AO_HAVE_double_compare_and_swap_acquire) + AO_INLINE int + AO_double_compare_and_swap_acquire(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_acquire(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_acquire +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_read) \ + && !defined(AO_HAVE_double_compare_and_swap_read) + AO_INLINE int + AO_double_compare_and_swap_read(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_read(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_read +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_write) \ + && !defined(AO_HAVE_double_compare_and_swap_write) + AO_INLINE int + AO_double_compare_and_swap_write(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_write(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_write +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_release_write) \ + && !defined(AO_HAVE_double_compare_and_swap_release_write) + AO_INLINE int + AO_double_compare_and_swap_release_write(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_release_write(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_release_write +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_acquire_read) \ + && !defined(AO_HAVE_double_compare_and_swap_acquire_read) + AO_INLINE int + AO_double_compare_and_swap_acquire_read(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_acquire_read(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_acquire_read +#endif +#if defined(AO_HAVE_compare_double_and_swap_double_full) \ + && !defined(AO_HAVE_double_compare_and_swap_full) + AO_INLINE int + AO_double_compare_and_swap_full(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return AO_compare_double_and_swap_double_full(addr, + old_val.AO_val1, old_val.AO_val2, + new_val.AO_val1, new_val.AO_val2); + } +# define AO_HAVE_double_compare_and_swap_full +#endif + +#ifndef AO_HAVE_double_compare_and_swap_dd_acquire_read + /* Duplicated from generalize-small because double CAS might be */ + /* defined after the include. */ +# ifdef AO_NO_DD_ORDERING +# if defined(AO_HAVE_double_compare_and_swap_acquire_read) +# define AO_double_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap_acquire_read(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_dd_acquire_read +# endif +# elif defined(AO_HAVE_double_compare_and_swap) +# define AO_double_compare_and_swap_dd_acquire_read(addr, old, new_val) \ + AO_double_compare_and_swap(addr, old, new_val) +# define AO_HAVE_double_compare_and_swap_dd_acquire_read +# endif /* !AO_NO_DD_ORDERING */ +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_acquire_release_volatile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_acquire_release_volatile.h new file mode 100644 index 0000000000..f0240e4e67 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_acquire_release_volatile.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Describes architectures on which volatile AO_t, unsigned char, */ +/* unsigned short, and unsigned int loads and stores have */ +/* acquire/release semantics for all normally legal alignments. */ + +#include "loadstore/acquire_release_volatile.h" +#include "loadstore/char_acquire_release_volatile.h" +#include "loadstore/short_acquire_release_volatile.h" +#include "loadstore/int_acquire_release_volatile.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_aligned_atomic_load_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_aligned_atomic_load_store.h new file mode 100644 index 0000000000..7bcaa99bdb --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_aligned_atomic_load_store.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Describes architectures on which AO_t, unsigned char, unsigned */ +/* short, and unsigned int loads and stores are atomic but only if data */ +/* is suitably aligned. */ + +#if defined(__m68k__) && !defined(AO_ALIGNOF_SUPPORTED) + /* Even though AO_t is redefined in m68k.h, some clients use AO */ + /* pointer size primitives to access variables not declared as AO_t. */ + /* Such variables may have 2-byte alignment, while their sizeof is 4. */ +#else +# define AO_ACCESS_CHECK_ALIGNED +#endif + +/* Check for char type is a misnomer. */ +#define AO_ACCESS_short_CHECK_ALIGNED +#define AO_ACCESS_int_CHECK_ALIGNED +#include "all_atomic_load_store.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_load_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_load_store.h new file mode 100644 index 0000000000..b9e414f782 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_load_store.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Describes architectures on which AO_t, unsigned char, unsigned */ +/* short, and unsigned int loads and stores are atomic for all normally */ +/* legal alignments. */ + +#include "all_atomic_only_load.h" + +#include "loadstore/atomic_store.h" +#include "loadstore/char_atomic_store.h" +#include "loadstore/short_atomic_store.h" +#include "loadstore/int_atomic_store.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_only_load.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_only_load.h new file mode 100644 index 0000000000..695f6b8026 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/all_atomic_only_load.h @@ -0,0 +1,30 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Describes architectures on which AO_t, unsigned char, unsigned */ +/* short, and unsigned int loads are atomic for all normally legal */ +/* alignments. */ + +#include "loadstore/atomic_load.h" +#include "loadstore/char_atomic_load.h" +#include "loadstore/short_atomic_load.h" +#include "loadstore/int_atomic_load.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.h new file mode 100644 index 0000000000..295998ef2c --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.h @@ -0,0 +1,552 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load) && !defined(AO_HAVE_int_load) +# define AO_int_load(addr) \ + (unsigned)AO_load((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load +#endif + +#if defined(AO_HAVE_store) && !defined(AO_HAVE_int_store) +# define AO_int_store(addr, val) \ + AO_store((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store +#endif + +#if defined(AO_HAVE_fetch_and_add) \ + && !defined(AO_HAVE_int_fetch_and_add) +# define AO_int_fetch_and_add(addr, incr) \ + (unsigned)AO_fetch_and_add((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add +#endif + +#if defined(AO_HAVE_fetch_and_add1) \ + && !defined(AO_HAVE_int_fetch_and_add1) +# define AO_int_fetch_and_add1(addr) \ + (unsigned)AO_fetch_and_add1((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1 +#endif + +#if defined(AO_HAVE_fetch_and_sub1) \ + && !defined(AO_HAVE_int_fetch_and_sub1) +# define AO_int_fetch_and_sub1(addr) \ + (unsigned)AO_fetch_and_sub1((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1 +#endif + +#if defined(AO_HAVE_and) && !defined(AO_HAVE_int_and) +# define AO_int_and(addr, val) \ + AO_and((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and +#endif + +#if defined(AO_HAVE_or) && !defined(AO_HAVE_int_or) +# define AO_int_or(addr, val) \ + AO_or((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or +#endif + +#if defined(AO_HAVE_xor) && !defined(AO_HAVE_int_xor) +# define AO_int_xor(addr, val) \ + AO_xor((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap) +# define AO_int_fetch_compare_and_swap(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap +#endif + +#if defined(AO_HAVE_compare_and_swap) \ + && !defined(AO_HAVE_int_compare_and_swap) +# define AO_int_compare_and_swap(addr, old, new_val) \ + AO_compare_and_swap((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_full) && !defined(AO_HAVE_int_load_full) +# define AO_int_load_full(addr) \ + (unsigned)AO_load_full((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_full +#endif + +#if defined(AO_HAVE_store_full) && !defined(AO_HAVE_int_store_full) +# define AO_int_store_full(addr, val) \ + AO_store_full((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_full +#endif + +#if defined(AO_HAVE_fetch_and_add_full) \ + && !defined(AO_HAVE_int_fetch_and_add_full) +# define AO_int_fetch_and_add_full(addr, incr) \ + (unsigned)AO_fetch_and_add_full((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_full +#endif + +#if defined(AO_HAVE_fetch_and_add1_full) \ + && !defined(AO_HAVE_int_fetch_and_add1_full) +# define AO_int_fetch_and_add1_full(addr) \ + (unsigned)AO_fetch_and_add1_full((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_full +#endif + +#if defined(AO_HAVE_fetch_and_sub1_full) \ + && !defined(AO_HAVE_int_fetch_and_sub1_full) +# define AO_int_fetch_and_sub1_full(addr) \ + (unsigned)AO_fetch_and_sub1_full((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_full +#endif + +#if defined(AO_HAVE_and_full) && !defined(AO_HAVE_int_and_full) +# define AO_int_and_full(addr, val) \ + AO_and_full((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_full +#endif + +#if defined(AO_HAVE_or_full) && !defined(AO_HAVE_int_or_full) +# define AO_int_or_full(addr, val) \ + AO_or_full((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_full +#endif + +#if defined(AO_HAVE_xor_full) && !defined(AO_HAVE_int_xor_full) +# define AO_int_xor_full(addr, val) \ + AO_xor_full((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_full +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_full) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_full) +# define AO_int_fetch_compare_and_swap_full(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_full((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_full +#endif + +#if defined(AO_HAVE_compare_and_swap_full) \ + && !defined(AO_HAVE_int_compare_and_swap_full) +# define AO_int_compare_and_swap_full(addr, old, new_val) \ + AO_compare_and_swap_full((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_full +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_acquire) && !defined(AO_HAVE_int_load_acquire) +# define AO_int_load_acquire(addr) \ + (unsigned)AO_load_acquire((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_acquire +#endif + +#if defined(AO_HAVE_store_acquire) && !defined(AO_HAVE_int_store_acquire) +# define AO_int_store_acquire(addr, val) \ + AO_store_acquire((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_acquire +#endif + +#if defined(AO_HAVE_fetch_and_add_acquire) \ + && !defined(AO_HAVE_int_fetch_and_add_acquire) +# define AO_int_fetch_and_add_acquire(addr, incr) \ + (unsigned)AO_fetch_and_add_acquire((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_acquire +#endif + +#if defined(AO_HAVE_fetch_and_add1_acquire) \ + && !defined(AO_HAVE_int_fetch_and_add1_acquire) +# define AO_int_fetch_and_add1_acquire(addr) \ + (unsigned)AO_fetch_and_add1_acquire((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_acquire +#endif + +#if defined(AO_HAVE_fetch_and_sub1_acquire) \ + && !defined(AO_HAVE_int_fetch_and_sub1_acquire) +# define AO_int_fetch_and_sub1_acquire(addr) \ + (unsigned)AO_fetch_and_sub1_acquire((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_acquire +#endif + +#if defined(AO_HAVE_and_acquire) && !defined(AO_HAVE_int_and_acquire) +# define AO_int_and_acquire(addr, val) \ + AO_and_acquire((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_acquire +#endif + +#if defined(AO_HAVE_or_acquire) && !defined(AO_HAVE_int_or_acquire) +# define AO_int_or_acquire(addr, val) \ + AO_or_acquire((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_acquire +#endif + +#if defined(AO_HAVE_xor_acquire) && !defined(AO_HAVE_int_xor_acquire) +# define AO_int_xor_acquire(addr, val) \ + AO_xor_acquire((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_acquire +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_acquire) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_acquire) +# define AO_int_fetch_compare_and_swap_acquire(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_acquire((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_acquire +#endif + +#if defined(AO_HAVE_compare_and_swap_acquire) \ + && !defined(AO_HAVE_int_compare_and_swap_acquire) +# define AO_int_compare_and_swap_acquire(addr, old, new_val) \ + AO_compare_and_swap_acquire((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_acquire +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_release) && !defined(AO_HAVE_int_load_release) +# define AO_int_load_release(addr) \ + (unsigned)AO_load_release((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_release +#endif + +#if defined(AO_HAVE_store_release) && !defined(AO_HAVE_int_store_release) +# define AO_int_store_release(addr, val) \ + AO_store_release((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_release +#endif + +#if defined(AO_HAVE_fetch_and_add_release) \ + && !defined(AO_HAVE_int_fetch_and_add_release) +# define AO_int_fetch_and_add_release(addr, incr) \ + (unsigned)AO_fetch_and_add_release((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_release +#endif + +#if defined(AO_HAVE_fetch_and_add1_release) \ + && !defined(AO_HAVE_int_fetch_and_add1_release) +# define AO_int_fetch_and_add1_release(addr) \ + (unsigned)AO_fetch_and_add1_release((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_release +#endif + +#if defined(AO_HAVE_fetch_and_sub1_release) \ + && !defined(AO_HAVE_int_fetch_and_sub1_release) +# define AO_int_fetch_and_sub1_release(addr) \ + (unsigned)AO_fetch_and_sub1_release((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_release +#endif + +#if defined(AO_HAVE_and_release) && !defined(AO_HAVE_int_and_release) +# define AO_int_and_release(addr, val) \ + AO_and_release((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_release +#endif + +#if defined(AO_HAVE_or_release) && !defined(AO_HAVE_int_or_release) +# define AO_int_or_release(addr, val) \ + AO_or_release((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_release +#endif + +#if defined(AO_HAVE_xor_release) && !defined(AO_HAVE_int_xor_release) +# define AO_int_xor_release(addr, val) \ + AO_xor_release((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_release +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_release) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_release) +# define AO_int_fetch_compare_and_swap_release(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_release((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_release +#endif + +#if defined(AO_HAVE_compare_and_swap_release) \ + && !defined(AO_HAVE_int_compare_and_swap_release) +# define AO_int_compare_and_swap_release(addr, old, new_val) \ + AO_compare_and_swap_release((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_release +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_write) && !defined(AO_HAVE_int_load_write) +# define AO_int_load_write(addr) \ + (unsigned)AO_load_write((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_write +#endif + +#if defined(AO_HAVE_store_write) && !defined(AO_HAVE_int_store_write) +# define AO_int_store_write(addr, val) \ + AO_store_write((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_write +#endif + +#if defined(AO_HAVE_fetch_and_add_write) \ + && !defined(AO_HAVE_int_fetch_and_add_write) +# define AO_int_fetch_and_add_write(addr, incr) \ + (unsigned)AO_fetch_and_add_write((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_write +#endif + +#if defined(AO_HAVE_fetch_and_add1_write) \ + && !defined(AO_HAVE_int_fetch_and_add1_write) +# define AO_int_fetch_and_add1_write(addr) \ + (unsigned)AO_fetch_and_add1_write((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_write +#endif + +#if defined(AO_HAVE_fetch_and_sub1_write) \ + && !defined(AO_HAVE_int_fetch_and_sub1_write) +# define AO_int_fetch_and_sub1_write(addr) \ + (unsigned)AO_fetch_and_sub1_write((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_write +#endif + +#if defined(AO_HAVE_and_write) && !defined(AO_HAVE_int_and_write) +# define AO_int_and_write(addr, val) \ + AO_and_write((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_write +#endif + +#if defined(AO_HAVE_or_write) && !defined(AO_HAVE_int_or_write) +# define AO_int_or_write(addr, val) \ + AO_or_write((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_write +#endif + +#if defined(AO_HAVE_xor_write) && !defined(AO_HAVE_int_xor_write) +# define AO_int_xor_write(addr, val) \ + AO_xor_write((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_write +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_write) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_write) +# define AO_int_fetch_compare_and_swap_write(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_write((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_write +#endif + +#if defined(AO_HAVE_compare_and_swap_write) \ + && !defined(AO_HAVE_int_compare_and_swap_write) +# define AO_int_compare_and_swap_write(addr, old, new_val) \ + AO_compare_and_swap_write((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_write +#endif +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_read) && !defined(AO_HAVE_int_load_read) +# define AO_int_load_read(addr) \ + (unsigned)AO_load_read((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_read +#endif + +#if defined(AO_HAVE_store_read) && !defined(AO_HAVE_int_store_read) +# define AO_int_store_read(addr, val) \ + AO_store_read((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_read +#endif + +#if defined(AO_HAVE_fetch_and_add_read) \ + && !defined(AO_HAVE_int_fetch_and_add_read) +# define AO_int_fetch_and_add_read(addr, incr) \ + (unsigned)AO_fetch_and_add_read((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_read +#endif + +#if defined(AO_HAVE_fetch_and_add1_read) \ + && !defined(AO_HAVE_int_fetch_and_add1_read) +# define AO_int_fetch_and_add1_read(addr) \ + (unsigned)AO_fetch_and_add1_read((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_read +#endif + +#if defined(AO_HAVE_fetch_and_sub1_read) \ + && !defined(AO_HAVE_int_fetch_and_sub1_read) +# define AO_int_fetch_and_sub1_read(addr) \ + (unsigned)AO_fetch_and_sub1_read((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_read +#endif + +#if defined(AO_HAVE_and_read) && !defined(AO_HAVE_int_and_read) +# define AO_int_and_read(addr, val) \ + AO_and_read((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_read +#endif + +#if defined(AO_HAVE_or_read) && !defined(AO_HAVE_int_or_read) +# define AO_int_or_read(addr, val) \ + AO_or_read((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_read +#endif + +#if defined(AO_HAVE_xor_read) && !defined(AO_HAVE_int_xor_read) +# define AO_int_xor_read(addr, val) \ + AO_xor_read((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_read +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_read) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_read) +# define AO_int_fetch_compare_and_swap_read(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_read((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_read +#endif + +#if defined(AO_HAVE_compare_and_swap_read) \ + && !defined(AO_HAVE_int_compare_and_swap_read) +# define AO_int_compare_and_swap_read(addr, old, new_val) \ + AO_compare_and_swap_read((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_read +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.template new file mode 100644 index 0000000000..620faeabc8 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ao_t_is_int.template @@ -0,0 +1,92 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Inclusion of this file signifies that AO_t is in fact int. */ +/* Hence any AO_... operation can also serve as AO_int_... operation. */ + +#if defined(AO_HAVE_load_XBAR) && !defined(AO_HAVE_int_load_XBAR) +# define AO_int_load_XBAR(addr) \ + (unsigned)AO_load_XBAR((const volatile AO_t *)(addr)) +# define AO_HAVE_int_load_XBAR +#endif + +#if defined(AO_HAVE_store_XBAR) && !defined(AO_HAVE_int_store_XBAR) +# define AO_int_store_XBAR(addr, val) \ + AO_store_XBAR((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_store_XBAR +#endif + +#if defined(AO_HAVE_fetch_and_add_XBAR) \ + && !defined(AO_HAVE_int_fetch_and_add_XBAR) +# define AO_int_fetch_and_add_XBAR(addr, incr) \ + (unsigned)AO_fetch_and_add_XBAR((volatile AO_t *)(addr), \ + (AO_t)(incr)) +# define AO_HAVE_int_fetch_and_add_XBAR +#endif + +#if defined(AO_HAVE_fetch_and_add1_XBAR) \ + && !defined(AO_HAVE_int_fetch_and_add1_XBAR) +# define AO_int_fetch_and_add1_XBAR(addr) \ + (unsigned)AO_fetch_and_add1_XBAR((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_add1_XBAR +#endif + +#if defined(AO_HAVE_fetch_and_sub1_XBAR) \ + && !defined(AO_HAVE_int_fetch_and_sub1_XBAR) +# define AO_int_fetch_and_sub1_XBAR(addr) \ + (unsigned)AO_fetch_and_sub1_XBAR((volatile AO_t *)(addr)) +# define AO_HAVE_int_fetch_and_sub1_XBAR +#endif + +#if defined(AO_HAVE_and_XBAR) && !defined(AO_HAVE_int_and_XBAR) +# define AO_int_and_XBAR(addr, val) \ + AO_and_XBAR((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_and_XBAR +#endif + +#if defined(AO_HAVE_or_XBAR) && !defined(AO_HAVE_int_or_XBAR) +# define AO_int_or_XBAR(addr, val) \ + AO_or_XBAR((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_or_XBAR +#endif + +#if defined(AO_HAVE_xor_XBAR) && !defined(AO_HAVE_int_xor_XBAR) +# define AO_int_xor_XBAR(addr, val) \ + AO_xor_XBAR((volatile AO_t *)(addr), (AO_t)(val)) +# define AO_HAVE_int_xor_XBAR +#endif + +#if defined(AO_HAVE_fetch_compare_and_swap_XBAR) \ + && !defined(AO_HAVE_int_fetch_compare_and_swap_XBAR) +# define AO_int_fetch_compare_and_swap_XBAR(addr, old, new_val) \ + (unsigned)AO_fetch_compare_and_swap_XBAR((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_fetch_compare_and_swap_XBAR +#endif + +#if defined(AO_HAVE_compare_and_swap_XBAR) \ + && !defined(AO_HAVE_int_compare_and_swap_XBAR) +# define AO_int_compare_and_swap_XBAR(addr, old, new_val) \ + AO_compare_and_swap_XBAR((volatile AO_t *)(addr), \ + (AO_t)(old), (AO_t)(new_val)) +# define AO_HAVE_int_compare_and_swap_XBAR +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/armcc/arm_v6.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/armcc/arm_v6.h new file mode 100644 index 0000000000..23ecbc7fef --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/armcc/arm_v6.h @@ -0,0 +1,264 @@ +/* + * Copyright (c) 2007 by NEC LE-IT: All rights reserved. + * A transcription of ARMv6 atomic operations for the ARM Realview Toolchain. + * This code works with armcc from RVDS 3.1 + * This is based on work in gcc/arm.h by + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#include "../test_and_set_t_is_ao_t.h" /* Probably suboptimal */ + +#if __TARGET_ARCH_ARM < 6 +# if !defined(CPPCHECK) +# error Do not use with ARM instruction sets lower than v6 +# endif +#else + +#define AO_ACCESS_CHECK_ALIGNED +#define AO_ACCESS_short_CHECK_ALIGNED +#define AO_ACCESS_int_CHECK_ALIGNED +#include "../all_atomic_only_load.h" + +#include "../standard_ao_double_t.h" + +/* NEC LE-IT: ARMv6 is the first architecture providing support for simple LL/SC + * A data memory barrier must be raised via CP15 command (see documentation). + * + * ARMv7 is compatible to ARMv6 but has a simpler command for issuing a + * memory barrier (DMB). Raising it via CP15 should still work as told me by the + * support engineers. If it turns out to be much quicker than we should implement + * custom code for ARMv7 using the asm { dmb } command. + * + * If only a single processor is used, we can define AO_UNIPROCESSOR + * and do not need to access CP15 for ensuring a DMB at all. +*/ + +AO_INLINE void +AO_nop_full(void) +{ +# ifndef AO_UNIPROCESSOR + unsigned int dest=0; + /* Issue a data memory barrier (keeps ordering of memory transactions */ + /* before and after this operation). */ + __asm { + mcr p15,0,dest,c7,c10,5 + }; +# else + AO_compiler_barrier(); +# endif +} +#define AO_HAVE_nop_full + +/* NEC LE-IT: atomic "store" - according to ARM documentation this is + * the only safe way to set variables also used in LL/SC environment. + * A direct write won't be recognized by the LL/SC construct in other CPUs. + * + * HB: Based on subsequent discussion, I think it would be OK to use an + * ordinary store here if we knew that interrupt handlers always cleared + * the reservation. They should, but there is some doubt that this is + * currently always the case for e.g. Linux. +*/ +AO_INLINE void AO_store(volatile AO_t *addr, AO_t value) +{ + unsigned long tmp; + +retry: +__asm { + ldrex tmp, [addr] + strex tmp, value, [addr] + teq tmp, #0 + bne retry + }; +} +#define AO_HAVE_store + +/* NEC LE-IT: replace the SWAP as recommended by ARM: + + "Applies to: ARM11 Cores + Though the SWP instruction will still work with ARM V6 cores, it is recommended + to use the new V6 synchronization instructions. The SWP instruction produces + locked read and write accesses which are atomic, i.e. another operation cannot + be done between these locked accesses which ties up external bus (AHB,AXI) + bandwidth and can increase worst case interrupt latencies. LDREX,STREX are + more flexible, other instructions can be done between the LDREX and STREX accesses. + " +*/ +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) { + AO_TS_VAL_t oldval; + unsigned long tmp; + unsigned long one = 1; +retry: +__asm { + ldrex oldval, [addr] + strex tmp, one, [addr] + teq tmp, #0 + bne retry + } + + return oldval; +} +#define AO_HAVE_test_and_set + +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *p, AO_t incr) +{ + unsigned long tmp,tmp2; + AO_t result; + +retry: +__asm { + ldrex result, [p] + add tmp, incr, result + strex tmp2, tmp, [p] + teq tmp2, #0 + bne retry + } + + return result; +} +#define AO_HAVE_fetch_and_add + +AO_INLINE AO_t +AO_fetch_and_add1(volatile AO_t *p) +{ + unsigned long tmp,tmp2; + AO_t result; + +retry: +__asm { + ldrex result, [p] + add tmp, result, #1 + strex tmp2, tmp, [p] + teq tmp2, #0 + bne retry + } + + return result; +} +#define AO_HAVE_fetch_and_add1 + +AO_INLINE AO_t +AO_fetch_and_sub1(volatile AO_t *p) +{ + unsigned long tmp,tmp2; + AO_t result; + +retry: +__asm { + ldrex result, [p] + sub tmp, result, #1 + strex tmp2, tmp, [p] + teq tmp2, #0 + bne retry + } + + return result; +} +#define AO_HAVE_fetch_and_sub1 +#endif /* !AO_PREFER_GENERALIZED */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + /* Returns nonzero if the comparison succeeded. */ + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) + { + AO_t result, tmp; + + retry: + __asm__ { + mov result, #2 + ldrex tmp, [addr] + teq tmp, old_val +# ifdef __thumb__ + it eq +# endif + strexeq result, new_val, [addr] + teq result, #1 + beq retry + } + return !(result&2); + } +# define AO_HAVE_compare_and_swap +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) +{ + AO_t fetched_val, tmp; + +retry: +__asm__ { + mov tmp, #2 + ldrex fetched_val, [addr] + teq fetched_val, old_val +# ifdef __thumb__ + it eq +# endif + strexeq tmp, new_val, [addr] + teq tmp, #1 + beq retry + } + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap + +/* helper functions for the Realview compiler: LDREXD is not usable + * with inline assembler, so use the "embedded" assembler as + * suggested by ARM Dev. support (June 2008). */ +__asm inline double_ptr_storage AO_load_ex(const volatile AO_double_t *addr) { + LDREXD r0,r1,[r0] +} + +__asm inline int AO_store_ex(AO_t val1, AO_t val2, volatile AO_double_t *addr) { + STREXD r3,r0,r1,[r2] + MOV r0,r3 +} + +AO_INLINE AO_double_t +AO_double_load(const volatile AO_double_t *addr) +{ + AO_double_t result; + + result.AO_whole = AO_load_ex(addr); + return result; +} +#define AO_HAVE_double_load + +AO_INLINE int +AO_compare_double_and_swap_double(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) +{ + double_ptr_storage old_val = + ((double_ptr_storage)old_val2 << 32) | old_val1; + double_ptr_storage tmp; + int result; + + while(1) { + tmp = AO_load_ex(addr); + if(tmp != old_val) return 0; + result = AO_store_ex(new_val1, new_val2, addr); + if(!result) return 1; + } +} +#define AO_HAVE_compare_double_and_swap_double + +#endif /* __TARGET_ARCH_ARM >= 6 */ + +#define AO_T_IS_INT diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/emul_cas.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/emul_cas.h new file mode 100644 index 0000000000..e52f75ad7d --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/emul_cas.h @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Ensure, if at all possible, that AO_compare_and_swap_full() is + * available. The emulation should be brute-force signal-safe, even + * though it actually blocks. + * Including this file will generate an error if AO_compare_and_swap_full() + * cannot be made available. + * This will be included from platform-specific atomic_ops files + * if appropriate, and if AO_REQUIRE_CAS is defined. It should not be + * included directly, especially since it affects the implementation + * of other atomic update primitives. + * The implementation assumes that only AO_store_XXX and AO_test_and_set_XXX + * variants are defined, and that AO_test_and_set_XXX is not used to + * operate on compare_and_swap locations. + */ + +#ifndef AO_ATOMIC_OPS_H +# error This file should not be included directly. +#endif + +#ifndef AO_HAVE_double_t +# include "standard_ao_double_t.h" +#endif + +#ifdef __cplusplus + extern "C" { +#endif + +AO_t AO_fetch_compare_and_swap_emulation(volatile AO_t *addr, AO_t old_val, + AO_t new_val); + +int AO_compare_double_and_swap_double_emulation(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2); + +void AO_store_full_emulation(volatile AO_t *addr, AO_t val); + +#ifndef AO_HAVE_fetch_compare_and_swap_full +# define AO_fetch_compare_and_swap_full(addr, old, newval) \ + AO_fetch_compare_and_swap_emulation(addr, old, newval) +# define AO_HAVE_fetch_compare_and_swap_full +#endif + +#ifndef AO_HAVE_compare_double_and_swap_double_full +# define AO_compare_double_and_swap_double_full(addr, old1, old2, \ + newval1, newval2) \ + AO_compare_double_and_swap_double_emulation(addr, old1, old2, \ + newval1, newval2) +# define AO_HAVE_compare_double_and_swap_double_full +#endif + +#undef AO_store +#undef AO_HAVE_store +#undef AO_store_write +#undef AO_HAVE_store_write +#undef AO_store_release +#undef AO_HAVE_store_release +#undef AO_store_full +#undef AO_HAVE_store_full +#define AO_store_full(addr, val) AO_store_full_emulation(addr, val) +#define AO_HAVE_store_full + +#ifdef __cplusplus + } /* extern "C" */ +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/aarch64.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/aarch64.h new file mode 100644 index 0000000000..bcd2aeb161 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/aarch64.h @@ -0,0 +1,282 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * Copyright (c) 2013-2017 Ivan Maidanski + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +/* As of clang-5.0 (and gcc-5.4), __atomic_thread_fence is always */ +/* translated to DMB (which is inefficient for AO_nop_write). */ +/* TODO: Update it for newer Clang and GCC releases. */ +#if !defined(AO_PREFER_BUILTIN_ATOMICS) && !defined(AO_THREAD_SANITIZER) \ + && !defined(AO_UNIPROCESSOR) + AO_INLINE void + AO_nop_write(void) + { + __asm__ __volatile__("dmb ishst" : : : "memory"); + } +# define AO_HAVE_nop_write +#endif + +/* There were some bugs in the older clang releases (related to */ +/* optimization of functions dealing with __int128 values, supposedly), */ +/* so even asm-based implementation did not work correctly. */ +#if !defined(__clang__) || AO_CLANG_PREREQ(3, 9) + +# include "../standard_ao_double_t.h" + +/* As of gcc-5.4, all built-in load/store and CAS atomics for double */ +/* word require -latomic, are not lock-free and cause test_stack */ +/* failure, so the asm-based implementation is used for now. */ +/* TODO: Update it for newer GCC releases. */ +#if (!defined(__ILP32__) && !defined(__clang__)) \ + || defined(AO_AARCH64_ASM_LOAD_STORE_CAS) + +# ifndef AO_PREFER_GENERALIZED + AO_INLINE AO_double_t + AO_double_load(const volatile AO_double_t *addr) + { + AO_double_t result; + int status; + + /* Note that STXP cannot be discarded because LD[A]XP is not */ + /* single-copy atomic (unlike LDREXD for 32-bit ARM). */ + do { + __asm__ __volatile__("//AO_double_load\n" +# ifdef __ILP32__ + " ldxp %w0, %w1, %3\n" + " stxp %w2, %w0, %w1, %3" +# else + " ldxp %0, %1, %3\n" + " stxp %w2, %0, %1, %3" +# endif + : "=&r" (result.AO_val1), "=&r" (result.AO_val2), "=&r" (status) + : "Q" (*addr)); + } while (AO_EXPECT_FALSE(status)); + return result; + } +# define AO_HAVE_double_load + + AO_INLINE AO_double_t + AO_double_load_acquire(const volatile AO_double_t *addr) + { + AO_double_t result; + int status; + + do { + __asm__ __volatile__("//AO_double_load_acquire\n" +# ifdef __ILP32__ + " ldaxp %w0, %w1, %3\n" + " stxp %w2, %w0, %w1, %3" +# else + " ldaxp %0, %1, %3\n" + " stxp %w2, %0, %1, %3" +# endif + : "=&r" (result.AO_val1), "=&r" (result.AO_val2), "=&r" (status) + : "Q" (*addr)); + } while (AO_EXPECT_FALSE(status)); + return result; + } +# define AO_HAVE_double_load_acquire + + AO_INLINE void + AO_double_store(volatile AO_double_t *addr, AO_double_t value) + { + AO_double_t old_val; + int status; + + do { + __asm__ __volatile__("//AO_double_store\n" +# ifdef __ILP32__ + " ldxp %w0, %w1, %3\n" + " stxp %w2, %w4, %w5, %3" +# else + " ldxp %0, %1, %3\n" + " stxp %w2, %4, %5, %3" +# endif + : "=&r" (old_val.AO_val1), "=&r" (old_val.AO_val2), "=&r" (status), + "=Q" (*addr) + : "r" (value.AO_val1), "r" (value.AO_val2)); + /* Compared to the arm.h implementation, the 'cc' (flags) are */ + /* not clobbered because A64 has no concept of conditional */ + /* execution. */ + } while (AO_EXPECT_FALSE(status)); + } +# define AO_HAVE_double_store + + AO_INLINE void + AO_double_store_release(volatile AO_double_t *addr, AO_double_t value) + { + AO_double_t old_val; + int status; + + do { + __asm__ __volatile__("//AO_double_store_release\n" +# ifdef __ILP32__ + " ldxp %w0, %w1, %3\n" + " stlxp %w2, %w4, %w5, %3" +# else + " ldxp %0, %1, %3\n" + " stlxp %w2, %4, %5, %3" +# endif + : "=&r" (old_val.AO_val1), "=&r" (old_val.AO_val2), "=&r" (status), + "=Q" (*addr) + : "r" (value.AO_val1), "r" (value.AO_val2)); + } while (AO_EXPECT_FALSE(status)); + } +# define AO_HAVE_double_store_release +# endif /* !AO_PREFER_GENERALIZED */ + + AO_INLINE int + AO_double_compare_and_swap(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_double_t tmp; + int result = 1; + + do { + __asm__ __volatile__("//AO_double_compare_and_swap\n" +# ifdef __ILP32__ + " ldxp %w0, %w1, %2\n" +# else + " ldxp %0, %1, %2\n" +# endif + : "=&r" (tmp.AO_val1), "=&r" (tmp.AO_val2) + : "Q" (*addr)); + if (tmp.AO_val1 != old_val.AO_val1 || tmp.AO_val2 != old_val.AO_val2) + break; + __asm__ __volatile__( +# ifdef __ILP32__ + " stxp %w0, %w2, %w3, %1\n" +# else + " stxp %w0, %2, %3, %1\n" +# endif + : "=&r" (result), "=Q" (*addr) + : "r" (new_val.AO_val1), "r" (new_val.AO_val2)); + } while (AO_EXPECT_FALSE(result)); + return !result; + } +# define AO_HAVE_double_compare_and_swap + + AO_INLINE int + AO_double_compare_and_swap_acquire(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_double_t tmp; + int result = 1; + + do { + __asm__ __volatile__("//AO_double_compare_and_swap_acquire\n" +# ifdef __ILP32__ + " ldaxp %w0, %w1, %2\n" +# else + " ldaxp %0, %1, %2\n" +# endif + : "=&r" (tmp.AO_val1), "=&r" (tmp.AO_val2) + : "Q" (*addr)); + if (tmp.AO_val1 != old_val.AO_val1 || tmp.AO_val2 != old_val.AO_val2) + break; + __asm__ __volatile__( +# ifdef __ILP32__ + " stxp %w0, %w2, %w3, %1\n" +# else + " stxp %w0, %2, %3, %1\n" +# endif + : "=&r" (result), "=Q" (*addr) + : "r" (new_val.AO_val1), "r" (new_val.AO_val2)); + } while (AO_EXPECT_FALSE(result)); + return !result; + } +# define AO_HAVE_double_compare_and_swap_acquire + + AO_INLINE int + AO_double_compare_and_swap_release(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_double_t tmp; + int result = 1; + + do { + __asm__ __volatile__("//AO_double_compare_and_swap_release\n" +# ifdef __ILP32__ + " ldxp %w0, %w1, %2\n" +# else + " ldxp %0, %1, %2\n" +# endif + : "=&r" (tmp.AO_val1), "=&r" (tmp.AO_val2) + : "Q" (*addr)); + if (tmp.AO_val1 != old_val.AO_val1 || tmp.AO_val2 != old_val.AO_val2) + break; + __asm__ __volatile__( +# ifdef __ILP32__ + " stlxp %w0, %w2, %w3, %1\n" +# else + " stlxp %w0, %2, %3, %1\n" +# endif + : "=&r" (result), "=Q" (*addr) + : "r" (new_val.AO_val1), "r" (new_val.AO_val2)); + } while (AO_EXPECT_FALSE(result)); + return !result; + } +# define AO_HAVE_double_compare_and_swap_release + + AO_INLINE int + AO_double_compare_and_swap_full(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_double_t tmp; + int result = 1; + + do { + __asm__ __volatile__("//AO_double_compare_and_swap_full\n" +# ifdef __ILP32__ + " ldaxp %w0, %w1, %2\n" +# else + " ldaxp %0, %1, %2\n" +# endif + : "=&r" (tmp.AO_val1), "=&r" (tmp.AO_val2) + : "Q" (*addr)); + if (tmp.AO_val1 != old_val.AO_val1 || tmp.AO_val2 != old_val.AO_val2) + break; + __asm__ __volatile__( +# ifdef __ILP32__ + " stlxp %w0, %w2, %w3, %1\n" +# else + " stlxp %w0, %2, %3, %1\n" +# endif + : "=&r" (result), "=Q" (*addr) + : "r" (new_val.AO_val1), "r" (new_val.AO_val2)); + } while (AO_EXPECT_FALSE(result)); + return !result; + } +# define AO_HAVE_double_compare_and_swap_full + +#endif /* !__ILP32__ && !__clang__ || AO_AARCH64_ASM_LOAD_STORE_CAS */ + +/* As of clang-5.0 and gcc-8.1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16 */ +/* macro is still missing (while the double-word CAS is available). */ +# ifndef __ILP32__ +# define AO_GCC_HAVE_double_SYNC_CAS +# endif + +#endif /* !__clang__ || AO_CLANG_PREREQ(3, 9) */ + +#if (defined(__clang__) && !AO_CLANG_PREREQ(3, 8)) || defined(__APPLE_CC__) + /* __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros are missing. */ +# define AO_GCC_FORCE_HAVE_CAS +#endif + +#include "generic.h" + +#undef AO_GCC_FORCE_HAVE_CAS +#undef AO_GCC_HAVE_double_SYNC_CAS diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/alpha.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/alpha.h new file mode 100644 index 0000000000..3b98becc32 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/alpha.h @@ -0,0 +1,67 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#include "../loadstore/atomic_load.h" +#include "../loadstore/atomic_store.h" + +#include "../test_and_set_t_is_ao_t.h" + +#define AO_NO_DD_ORDERING + /* Data dependence does not imply read ordering. */ + +AO_INLINE void +AO_nop_full(void) +{ + __asm__ __volatile__("mb" : : : "memory"); +} +#define AO_HAVE_nop_full + +AO_INLINE void +AO_nop_write(void) +{ + __asm__ __volatile__("wmb" : : : "memory"); +} +#define AO_HAVE_nop_write + +/* mb should be used for AO_nop_read(). That's the default. */ + +/* TODO: implement AO_fetch_and_add explicitly. */ + +/* We believe that ldq_l ... stq_c does not imply any memory barrier. */ +AO_INLINE int +AO_compare_and_swap(volatile AO_t *addr, + AO_t old, AO_t new_val) +{ + unsigned long was_equal; + unsigned long temp; + + __asm__ __volatile__( + "1: ldq_l %0,%1\n" + " cmpeq %0,%4,%2\n" + " mov %3,%0\n" + " beq %2,2f\n" + " stq_c %0,%1\n" + " beq %0,1b\n" + "2:\n" + : "=&r" (temp), "+m" (*addr), "=&r" (was_equal) + : "r" (new_val), "Ir" (old) + :"memory"); + return (int)was_equal; +} +#define AO_HAVE_compare_and_swap + +/* TODO: implement AO_fetch_compare_and_swap */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/arm.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/arm.h new file mode 100644 index 0000000000..2ae76588f4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/arm.h @@ -0,0 +1,742 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * Copyright (c) 2008-2017 Ivan Maidanski + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if (AO_GNUC_PREREQ(4, 8) || AO_CLANG_PREREQ(3, 5)) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled even for earlier gcc/clang versions. */ +# define AO_GCC_ATOMIC_TEST_AND_SET +#endif + +#ifdef __native_client__ + /* Mask instruction should immediately precede access instruction. */ +# define AO_MASK_PTR(reg) " bical " reg ", " reg ", #0xc0000000\n" +# define AO_BR_ALIGN " .align 4\n" +#else +# define AO_MASK_PTR(reg) /* empty */ +# define AO_BR_ALIGN /* empty */ +#endif + +#if defined(__thumb__) && !defined(__thumb2__) + /* Thumb One mode does not have ARM "mcr", "swp" and some load/store */ + /* instructions, so we temporarily switch to ARM mode and go back */ + /* afterwards (clobbering "r3" register). */ +# define AO_THUMB_GO_ARM \ + " adr r3, 4f\n" \ + " bx r3\n" \ + " .align\n" \ + " .arm\n" \ + AO_BR_ALIGN \ + "4:\n" +# define AO_THUMB_RESTORE_MODE \ + " adr r3, 5f + 1\n" \ + " bx r3\n" \ + " .thumb\n" \ + AO_BR_ALIGN \ + "5:\n" +# define AO_THUMB_SWITCH_CLOBBERS "r3", +#else +# define AO_THUMB_GO_ARM /* empty */ +# define AO_THUMB_RESTORE_MODE /* empty */ +# define AO_THUMB_SWITCH_CLOBBERS /* empty */ +#endif /* !__thumb__ */ + +/* NEC LE-IT: gcc has no way to easily check the arm architecture */ +/* but it defines only one (or several) of __ARM_ARCH_x__ to be true. */ +#if !defined(__ARM_ARCH_2__) && !defined(__ARM_ARCH_3__) \ + && !defined(__ARM_ARCH_3M__) && !defined(__ARM_ARCH_4__) \ + && !defined(__ARM_ARCH_4T__) \ + && ((!defined(__ARM_ARCH_5__) && !defined(__ARM_ARCH_5E__) \ + && !defined(__ARM_ARCH_5T__) && !defined(__ARM_ARCH_5TE__) \ + && !defined(__ARM_ARCH_5TEJ__) && !defined(__ARM_ARCH_6M__)) \ + || defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \ + || defined(__ARM_ARCH_8A__)) +# define AO_ARM_HAVE_LDREX +# if !defined(__ARM_ARCH_6__) && !defined(__ARM_ARCH_6J__) \ + && !defined(__ARM_ARCH_6T2__) + /* LDREXB/STREXB and LDREXH/STREXH are present in ARMv6K/Z+. */ +# define AO_ARM_HAVE_LDREXBH +# endif +# if !defined(__ARM_ARCH_6__) && !defined(__ARM_ARCH_6J__) \ + && !defined(__ARM_ARCH_6T2__) && !defined(__ARM_ARCH_6Z__) \ + && !defined(__ARM_ARCH_6ZT2__) +# if !defined(__ARM_ARCH_6K__) && !defined(__ARM_ARCH_6KZ__) \ + && !defined(__ARM_ARCH_6ZK__) + /* DMB is present in ARMv6M and ARMv7+. */ +# define AO_ARM_HAVE_DMB +# endif +# if (!defined(__thumb__) \ + || (defined(__thumb2__) && !defined(__ARM_ARCH_7__) \ + && !defined(__ARM_ARCH_7M__) && !defined(__ARM_ARCH_7EM__))) \ + && (!defined(__clang__) || AO_CLANG_PREREQ(3, 3)) + /* LDREXD/STREXD present in ARMv6K/M+ (see gas/config/tc-arm.c). */ + /* In the Thumb mode, this works only starting from ARMv7 (except */ + /* for the base and 'M' models). Clang3.2 (and earlier) does not */ + /* allocate register pairs for LDREXD/STREXD properly (besides, */ + /* Clang3.1 does not support "%H" operand specification). */ +# define AO_ARM_HAVE_LDREXD +# endif /* !thumb || ARMv7A || ARMv7R+ */ +# endif /* ARMv7+ */ +#endif /* ARMv6+ */ + +#if !defined(__ARM_ARCH_2__) && !defined(__ARM_ARCH_6M__) \ + && !defined(__ARM_ARCH_8A__) && !defined(__thumb2__) +# define AO_ARM_HAVE_SWP + /* Note: ARMv6M is excluded due to no ARM mode support. */ + /* Also, SWP is obsoleted for ARMv8+. */ +#endif /* !__thumb2__ */ + +#if !defined(AO_UNIPROCESSOR) && defined(AO_ARM_HAVE_DMB) \ + && !defined(AO_PREFER_BUILTIN_ATOMICS) + AO_INLINE void + AO_nop_write(void) + { + /* AO_THUMB_GO_ARM is empty. */ + /* This will target the system domain and thus be overly */ + /* conservative as the CPUs (even in case of big.LITTLE SoC) will */ + /* occupy the inner shareable domain. */ + /* The plain variant (dmb st) is theoretically slower, and should */ + /* not be needed. That said, with limited experimentation, a CPU */ + /* implementation for which it actually matters has not been found */ + /* yet, though they should already exist. */ + /* Anyway, note that the "st" and "ishst" barriers are actually */ + /* quite weak and, as the libatomic_ops documentation states, */ + /* usually not what you really want. */ + __asm__ __volatile__("dmb ishst" : : : "memory"); + } +# define AO_HAVE_nop_write +#endif /* AO_ARM_HAVE_DMB */ + +#ifndef AO_GCC_ATOMIC_TEST_AND_SET + +#ifdef AO_UNIPROCESSOR + /* If only a single processor (core) is used, AO_UNIPROCESSOR could */ + /* be defined by the client to avoid unnecessary memory barrier. */ + AO_INLINE void + AO_nop_full(void) + { + AO_compiler_barrier(); + } +# define AO_HAVE_nop_full + +#elif defined(AO_ARM_HAVE_DMB) + /* ARMv7 is compatible to ARMv6 but has a simpler command for issuing */ + /* a memory barrier (DMB). Raising it via CP15 should still work */ + /* (but slightly less efficient because it requires the use of */ + /* a general-purpose register). */ + AO_INLINE void + AO_nop_full(void) + { + /* AO_THUMB_GO_ARM is empty. */ + __asm__ __volatile__("dmb" : : : "memory"); + } +# define AO_HAVE_nop_full + +#elif defined(AO_ARM_HAVE_LDREX) + /* ARMv6 is the first architecture providing support for a simple */ + /* LL/SC. A data memory barrier must be raised via CP15 command. */ + AO_INLINE void + AO_nop_full(void) + { + unsigned dest = 0; + + /* Issue a data memory barrier (keeps ordering of memory */ + /* transactions before and after this operation). */ + __asm__ __volatile__("@AO_nop_full\n" + AO_THUMB_GO_ARM + " mcr p15,0,%0,c7,c10,5\n" + AO_THUMB_RESTORE_MODE + : "=&r"(dest) + : /* empty */ + : AO_THUMB_SWITCH_CLOBBERS "memory"); + } +# define AO_HAVE_nop_full + +#else + /* AO_nop_full() is emulated using AO_test_and_set_full(). */ +#endif /* !AO_UNIPROCESSOR && !AO_ARM_HAVE_LDREX */ + +#endif /* !AO_GCC_ATOMIC_TEST_AND_SET */ + +#ifdef AO_ARM_HAVE_LDREX + + /* "ARM Architecture Reference Manual" (chapter A3.5.3) says that the */ + /* single-copy atomic processor accesses are all byte accesses, all */ + /* halfword accesses to halfword-aligned locations, all word accesses */ + /* to word-aligned locations. */ + /* There is only a single concern related to AO store operations: */ + /* a direct write (by STR[B/H] instruction) will not be recognized */ + /* by the LL/SC construct on the same CPU (i.e., according to ARM */ + /* documentation, e.g., see CortexA8 TRM reference, point 8.5, */ + /* atomic "store" (using LDREX/STREX[B/H]) is the only safe way to */ + /* set variables also used in LL/SC environment). */ + /* This is only a problem if interrupt handlers do not clear the */ + /* reservation (by CLREX instruction or a dummy STREX one), as they */ + /* almost certainly should (e.g., see restore_user_regs defined in */ + /* arch/arm/kernel/entry-header.S of Linux. Nonetheless, there is */ + /* a doubt this was properly implemented in some ancient OS releases. */ +# ifdef AO_BROKEN_TASKSWITCH_CLREX + +# define AO_SKIPATOMIC_store +# define AO_SKIPATOMIC_store_release +# define AO_SKIPATOMIC_char_store +# define AO_SKIPATOMIC_char_store_release +# define AO_SKIPATOMIC_short_store +# define AO_SKIPATOMIC_short_store_release +# define AO_SKIPATOMIC_int_store +# define AO_SKIPATOMIC_int_store_release + +# ifndef AO_PREFER_BUILTIN_ATOMICS + + AO_INLINE void AO_store(volatile AO_t *addr, AO_t value) + { + int flag; + + __asm__ __volatile__("@AO_store\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%2") + " ldrex %0, [%2]\n" + AO_MASK_PTR("%2") + " strex %0, %3, [%2]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (flag), "+m" (*addr) + : "r" (addr), "r" (value) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + } +# define AO_HAVE_store + +# ifdef AO_ARM_HAVE_LDREXBH + AO_INLINE void AO_char_store(volatile unsigned char *addr, + unsigned char value) + { + int flag; + + __asm__ __volatile__("@AO_char_store\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%2") + " ldrexb %0, [%2]\n" + AO_MASK_PTR("%2") + " strexb %0, %3, [%2]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (flag), "+m" (*addr) + : "r" (addr), "r" (value) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + } +# define AO_HAVE_char_store + + AO_INLINE void AO_short_store(volatile unsigned short *addr, + unsigned short value) + { + int flag; + + __asm__ __volatile__("@AO_short_store\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%2") + " ldrexh %0, [%2]\n" + AO_MASK_PTR("%2") + " strexh %0, %3, [%2]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (flag), "+m" (*addr) + : "r" (addr), "r" (value) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + } +# define AO_HAVE_short_store +# endif /* AO_ARM_HAVE_LDREXBH */ + +# endif /* !AO_PREFER_BUILTIN_ATOMICS */ + +# elif !defined(AO_GCC_ATOMIC_TEST_AND_SET) +# include "../loadstore/atomic_store.h" + /* AO_int_store is defined in ao_t_is_int.h. */ +# endif /* !AO_BROKEN_TASKSWITCH_CLREX */ + +#endif /* AO_ARM_HAVE_LDREX */ + +#ifndef AO_GCC_ATOMIC_TEST_AND_SET + +# include "../test_and_set_t_is_ao_t.h" /* Probably suboptimal */ + +#ifdef AO_ARM_HAVE_LDREX + + /* AO_t/char/short/int load is simple reading. */ + /* Unaligned accesses are not guaranteed to be atomic. */ +# define AO_ACCESS_CHECK_ALIGNED +# define AO_ACCESS_short_CHECK_ALIGNED +# define AO_ACCESS_int_CHECK_ALIGNED +# include "../all_atomic_only_load.h" + +# ifndef AO_HAVE_char_store +# include "../loadstore/char_atomic_store.h" +# include "../loadstore/short_atomic_store.h" +# endif + +/* NEC LE-IT: replace the SWAP as recommended by ARM: + "Applies to: ARM11 Cores + Though the SWP instruction will still work with ARM V6 cores, it is + recommended to use the new V6 synchronization instructions. The SWP + instruction produces 'locked' read and write accesses which are atomic, + i.e. another operation cannot be done between these locked accesses which + ties up external bus (AHB, AXI) bandwidth and can increase worst case + interrupt latencies. LDREX, STREX are more flexible, other instructions + can be done between the LDREX and STREX accesses." +*/ +#ifndef AO_PREFER_GENERALIZED +#if !defined(AO_FORCE_USE_SWP) || !defined(AO_ARM_HAVE_SWP) + /* But, on the other hand, there could be a considerable performance */ + /* degradation in case of a race. Eg., test_atomic.c executing */ + /* test_and_set test on a dual-core ARMv7 processor using LDREX/STREX */ + /* showed around 35 times lower performance than that using SWP. */ + /* To force use of SWP instruction, use -D AO_FORCE_USE_SWP option */ + /* (the latter is ignored if SWP instruction is unsupported). */ + AO_INLINE AO_TS_VAL_t + AO_test_and_set(volatile AO_TS_t *addr) + { + AO_TS_VAL_t oldval; + int flag; + + __asm__ __volatile__("@AO_test_and_set\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%3") + " ldrex %0, [%3]\n" + AO_MASK_PTR("%3") + " strex %1, %4, [%3]\n" + " teq %1, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r"(oldval), "=&r"(flag), "+m"(*addr) + : "r"(addr), "r"(1) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return oldval; + } +# define AO_HAVE_test_and_set +#endif /* !AO_FORCE_USE_SWP */ + +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *p, AO_t incr) +{ + AO_t result, tmp; + int flag; + + __asm__ __volatile__("@AO_fetch_and_add\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%5") + " ldrex %0, [%5]\n" /* get original */ + " add %2, %0, %4\n" /* sum up in incr */ + AO_MASK_PTR("%5") + " strex %1, %2, [%5]\n" /* store them */ + " teq %1, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r"(result), "=&r"(flag), "=&r"(tmp), "+m"(*p) /* 0..3 */ + : "r"(incr), "r"(p) /* 4..5 */ + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return result; +} +#define AO_HAVE_fetch_and_add + +AO_INLINE AO_t +AO_fetch_and_add1(volatile AO_t *p) +{ + AO_t result, tmp; + int flag; + + __asm__ __volatile__("@AO_fetch_and_add1\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%4") + " ldrex %0, [%4]\n" /* get original */ + " add %1, %0, #1\n" /* increment */ + AO_MASK_PTR("%4") + " strex %2, %1, [%4]\n" /* store them */ + " teq %2, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r"(result), "=&r"(tmp), "=&r"(flag), "+m"(*p) + : "r"(p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return result; +} +#define AO_HAVE_fetch_and_add1 + +AO_INLINE AO_t +AO_fetch_and_sub1(volatile AO_t *p) +{ + AO_t result, tmp; + int flag; + + __asm__ __volatile__("@AO_fetch_and_sub1\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%4") + " ldrex %0, [%4]\n" /* get original */ + " sub %1, %0, #1\n" /* decrement */ + AO_MASK_PTR("%4") + " strex %2, %1, [%4]\n" /* store them */ + " teq %2, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r"(result), "=&r"(tmp), "=&r"(flag), "+m"(*p) + : "r"(p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return result; +} +#define AO_HAVE_fetch_and_sub1 + +AO_INLINE void +AO_and(volatile AO_t *p, AO_t value) +{ + AO_t tmp, result; + + __asm__ __volatile__("@AO_and\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%4") + " ldrex %0, [%4]\n" + " and %1, %0, %3\n" + AO_MASK_PTR("%4") + " strex %0, %1, [%4]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (tmp), "=&r" (result), "+m" (*p) + : "r" (value), "r" (p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); +} +#define AO_HAVE_and + +AO_INLINE void +AO_or(volatile AO_t *p, AO_t value) +{ + AO_t tmp, result; + + __asm__ __volatile__("@AO_or\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%4") + " ldrex %0, [%4]\n" + " orr %1, %0, %3\n" + AO_MASK_PTR("%4") + " strex %0, %1, [%4]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (tmp), "=&r" (result), "+m" (*p) + : "r" (value), "r" (p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); +} +#define AO_HAVE_or + +AO_INLINE void +AO_xor(volatile AO_t *p, AO_t value) +{ + AO_t tmp, result; + + __asm__ __volatile__("@AO_xor\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%4") + " ldrex %0, [%4]\n" + " eor %1, %0, %3\n" + AO_MASK_PTR("%4") + " strex %0, %1, [%4]\n" + " teq %0, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (tmp), "=&r" (result), "+m" (*p) + : "r" (value), "r" (p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); +} +#define AO_HAVE_xor +#endif /* !AO_PREFER_GENERALIZED */ + +#ifdef AO_ARM_HAVE_LDREXBH + AO_INLINE unsigned char + AO_char_fetch_and_add(volatile unsigned char *p, unsigned char incr) + { + unsigned result, tmp; + int flag; + + __asm__ __volatile__("@AO_char_fetch_and_add\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%5") + " ldrexb %0, [%5]\n" + " add %2, %0, %4\n" + AO_MASK_PTR("%5") + " strexb %1, %2, [%5]\n" + " teq %1, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (result), "=&r" (flag), "=&r" (tmp), "+m" (*p) + : "r" ((unsigned)incr), "r" (p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return (unsigned char)result; + } +# define AO_HAVE_char_fetch_and_add + + AO_INLINE unsigned short + AO_short_fetch_and_add(volatile unsigned short *p, unsigned short incr) + { + unsigned result, tmp; + int flag; + + __asm__ __volatile__("@AO_short_fetch_and_add\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: " AO_MASK_PTR("%5") + " ldrexh %0, [%5]\n" + " add %2, %0, %4\n" + AO_MASK_PTR("%5") + " strexh %1, %2, [%5]\n" + " teq %1, #0\n" + " bne 1b\n" + AO_THUMB_RESTORE_MODE + : "=&r" (result), "=&r" (flag), "=&r" (tmp), "+m" (*p) + : "r" ((unsigned)incr), "r" (p) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return (unsigned short)result; + } +# define AO_HAVE_short_fetch_and_add +#endif /* AO_ARM_HAVE_LDREXBH */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + /* Returns nonzero if the comparison succeeded. */ + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) + { + AO_t result, tmp; + + __asm__ __volatile__("@AO_compare_and_swap\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: mov %0, #2\n" /* store a flag */ + AO_MASK_PTR("%3") + " ldrex %1, [%3]\n" /* get original */ + " teq %1, %4\n" /* see if match */ + AO_MASK_PTR("%3") +# ifdef __thumb2__ + /* TODO: Eliminate warning: it blocks containing wide Thumb */ + /* instructions are deprecated in ARMv8. */ + " it eq\n" +# endif + " strexeq %0, %5, [%3]\n" /* store new one if matched */ + " teq %0, #1\n" + " beq 1b\n" /* if update failed, repeat */ + AO_THUMB_RESTORE_MODE + : "=&r"(result), "=&r"(tmp), "+m"(*addr) + : "r"(addr), "r"(old_val), "r"(new_val) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return !(result&2); /* if succeeded then return 1 else 0 */ + } +# define AO_HAVE_compare_and_swap +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) +{ + AO_t fetched_val; + int flag; + + __asm__ __volatile__("@AO_fetch_compare_and_swap\n" + AO_THUMB_GO_ARM + AO_BR_ALIGN + "1: mov %0, #2\n" /* store a flag */ + AO_MASK_PTR("%3") + " ldrex %1, [%3]\n" /* get original */ + " teq %1, %4\n" /* see if match */ + AO_MASK_PTR("%3") +# ifdef __thumb2__ + " it eq\n" +# endif + " strexeq %0, %5, [%3]\n" /* store new one if matched */ + " teq %0, #1\n" + " beq 1b\n" /* if update failed, repeat */ + AO_THUMB_RESTORE_MODE + : "=&r"(flag), "=&r"(fetched_val), "+m"(*addr) + : "r"(addr), "r"(old_val), "r"(new_val) + : AO_THUMB_SWITCH_CLOBBERS "cc"); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap + +#ifdef AO_ARM_HAVE_LDREXD +# include "../standard_ao_double_t.h" + + /* "ARM Architecture Reference Manual ARMv7-A/R edition" (chapter */ + /* A3.5.3) says that memory accesses caused by LDREXD and STREXD */ + /* instructions to doubleword-aligned locations are single-copy */ + /* atomic; accesses to 64-bit elements by other instructions might */ + /* not be single-copy atomic as they are executed as a sequence of */ + /* 32-bit accesses. */ + AO_INLINE AO_double_t + AO_double_load(const volatile AO_double_t *addr) + { + AO_double_t result; + + /* AO_THUMB_GO_ARM is empty. */ + __asm__ __volatile__("@AO_double_load\n" + AO_MASK_PTR("%1") + " ldrexd %0, %H0, [%1]" + : "=&r" (result.AO_whole) + : "r" (addr) + /* : no clobber */); + return result; + } +# define AO_HAVE_double_load + + AO_INLINE void + AO_double_store(volatile AO_double_t *addr, AO_double_t new_val) + { + AO_double_t old_val; + int status; + + do { + /* AO_THUMB_GO_ARM is empty. */ + __asm__ __volatile__("@AO_double_store\n" + AO_MASK_PTR("%3") + " ldrexd %0, %H0, [%3]\n" + AO_MASK_PTR("%3") + " strexd %1, %4, %H4, [%3]" + : "=&r" (old_val.AO_whole), "=&r" (status), "+m" (*addr) + : "r" (addr), "r" (new_val.AO_whole) + : "cc"); + } while (AO_EXPECT_FALSE(status)); + } +# define AO_HAVE_double_store + + AO_INLINE int + AO_double_compare_and_swap(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + double_ptr_storage tmp; + int result = 1; + + do { + /* AO_THUMB_GO_ARM is empty. */ + __asm__ __volatile__("@AO_double_compare_and_swap\n" + AO_MASK_PTR("%1") + " ldrexd %0, %H0, [%1]\n" /* get original to r1 & r2 */ + : "=&r"(tmp) + : "r"(addr) + /* : no clobber */); + if (tmp != old_val.AO_whole) + break; + __asm__ __volatile__( + AO_MASK_PTR("%2") + " strexd %0, %3, %H3, [%2]\n" /* store new one if matched */ + : "=&r"(result), "+m"(*addr) + : "r" (addr), "r" (new_val.AO_whole) + : "cc"); + } while (AO_EXPECT_FALSE(result)); + return !result; /* if succeeded then return 1 else 0 */ + } +# define AO_HAVE_double_compare_and_swap +#endif /* AO_ARM_HAVE_LDREXD */ + +#else +/* pre ARMv6 architectures ... */ + +/* I found a slide set that, if I read it correctly, claims that */ +/* Loads followed by either a Load or Store are ordered, but nothing */ +/* else is. */ +/* It appears that SWP is the only simple memory barrier. */ +#include "../all_aligned_atomic_load_store.h" + +/* The code should run correctly on a multi-core ARMv6+ as well. */ + +#endif /* !AO_ARM_HAVE_LDREX */ + +#if !defined(AO_HAVE_test_and_set_full) && !defined(AO_HAVE_test_and_set) \ + && defined (AO_ARM_HAVE_SWP) && (!defined(AO_PREFER_GENERALIZED) \ + || !defined(AO_HAVE_fetch_compare_and_swap)) + AO_INLINE AO_TS_VAL_t + AO_test_and_set_full(volatile AO_TS_t *addr) + { + AO_TS_VAL_t oldval; + /* SWP on ARM is very similar to XCHG on x86. */ + /* The first operand is the result, the second the value */ + /* to be stored. Both registers must be different from addr. */ + /* Make the address operand an early clobber output so it */ + /* doesn't overlap with the other operands. The early clobber */ + /* on oldval is necessary to prevent the compiler allocating */ + /* them to the same register if they are both unused. */ + + __asm__ __volatile__("@AO_test_and_set_full\n" + AO_THUMB_GO_ARM + AO_MASK_PTR("%3") + " swp %0, %2, [%3]\n" + /* Ignore GCC "SWP is deprecated for this architecture" */ + /* warning here (for ARMv6+). */ + AO_THUMB_RESTORE_MODE + : "=&r"(oldval), "=&r"(addr) + : "r"(1), "1"(addr) + : AO_THUMB_SWITCH_CLOBBERS "memory"); + return oldval; + } +# define AO_HAVE_test_and_set_full +#endif /* !AO_HAVE_test_and_set[_full] && AO_ARM_HAVE_SWP */ + +#define AO_T_IS_INT + +#else /* AO_GCC_ATOMIC_TEST_AND_SET */ + +# if defined(__clang__) && !defined(AO_ARM_HAVE_LDREX) + /* As of clang-3.8, it cannot compile __atomic_and/or/xor_fetch */ + /* library calls yet for pre ARMv6. */ +# define AO_SKIPATOMIC_ANY_and_ANY +# define AO_SKIPATOMIC_ANY_or_ANY +# define AO_SKIPATOMIC_ANY_xor_ANY +# endif + +# ifdef AO_ARM_HAVE_LDREXD +# include "../standard_ao_double_t.h" +# endif +# include "generic.h" + +#endif /* AO_GCC_ATOMIC_TEST_AND_SET */ + +#undef AO_ARM_HAVE_DMB +#undef AO_ARM_HAVE_LDREX +#undef AO_ARM_HAVE_LDREXBH +#undef AO_ARM_HAVE_LDREXD +#undef AO_ARM_HAVE_SWP +#undef AO_BR_ALIGN +#undef AO_MASK_PTR +#undef AO_SKIPATOMIC_ANY_and_ANY +#undef AO_SKIPATOMIC_ANY_or_ANY +#undef AO_SKIPATOMIC_ANY_xor_ANY +#undef AO_SKIPATOMIC_char_store +#undef AO_SKIPATOMIC_char_store_release +#undef AO_SKIPATOMIC_int_store +#undef AO_SKIPATOMIC_int_store_release +#undef AO_SKIPATOMIC_short_store +#undef AO_SKIPATOMIC_short_store_release +#undef AO_SKIPATOMIC_store +#undef AO_SKIPATOMIC_store_release +#undef AO_THUMB_GO_ARM +#undef AO_THUMB_RESTORE_MODE +#undef AO_THUMB_SWITCH_CLOBBERS diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/avr32.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/avr32.h new file mode 100644 index 0000000000..b0c52c70ec --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/avr32.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2009 Bradley Smith + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include "../all_atomic_load_store.h" + +#include "../ordered.h" /* There are no multiprocessor implementations. */ + +#include "../test_and_set_t_is_ao_t.h" + +#ifndef AO_PREFER_GENERALIZED + AO_INLINE AO_TS_VAL_t + AO_test_and_set_full(volatile AO_TS_t *addr) + { + register long ret; + + __asm__ __volatile__( + "xchg %[oldval], %[mem], %[newval]" + : [oldval] "=&r"(ret) + : [mem] "r"(addr), [newval] "r"(1) + : "memory"); + + return (AO_TS_VAL_t)ret; + } +# define AO_HAVE_test_and_set_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE int +AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) +{ + register long ret; + + __asm__ __volatile__( + "1: ssrf 5\n" + " ld.w %[res], %[mem]\n" + " eor %[res], %[oldval]\n" + " brne 2f\n" + " stcond %[mem], %[newval]\n" + " brne 1b\n" + "2:\n" + : [res] "=&r"(ret), [mem] "=m"(*addr) + : "m"(*addr), [newval] "r"(new_val), [oldval] "r"(old) + : "cc", "memory"); + + return (int)ret; +} +#define AO_HAVE_compare_and_swap_full + +/* TODO: implement AO_fetch_compare_and_swap. */ + +#define AO_T_IS_INT diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/cris.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/cris.h new file mode 100644 index 0000000000..f31c21eb2b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/cris.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* FIXME: seems to be untested. */ + +#include "../all_atomic_load_store.h" + +#include "../ordered.h" /* There are no multiprocessor implementations. */ + +#include "../test_and_set_t_is_ao_t.h" + +/* + * The architecture apparently supports an "f" flag which is + * set on preemption. This essentially gives us load-locked, + * store-conditional primitives, though I'm not quite sure how + * this would work on a hypothetical multiprocessor. -HB + * + * For details, see + * http://developer.axis.com/doc/hardware/etrax100lx/prog_man/ + * 1_architectural_description.pdf + * + * TODO: Presumably many other primitives (notably CAS, including the double- + * width versions) could be implemented in this manner, if someone got + * around to it. + */ + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) { + /* Ripped from linuxthreads/sysdeps/cris/pt-machine.h */ + register unsigned long int ret; + + /* Note the use of a dummy output of *addr to expose the write. The + memory barrier is to stop *other* writes being moved past this code. */ + __asm__ __volatile__("clearf\n" + "0:\n\t" + "movu.b [%2],%0\n\t" + "ax\n\t" + "move.b %3,[%2]\n\t" + "bwf 0b\n\t" + "clearf" + : "=&r" (ret), "=m" (*addr) + : "r" (addr), "r" ((int) 1), "m" (*addr) + : "memory"); + return ret; +} +#define AO_HAVE_test_and_set_full diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.h new file mode 100644 index 0000000000..268832836a --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.h @@ -0,0 +1,864 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_char_ARITHM + +AO_INLINE unsigned/**/char +AO_char_fetch_and_add(volatile unsigned/**/char *addr, unsigned/**/char incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELAXED); +} +#define AO_HAVE_char_fetch_and_add + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_char_and(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_char_and +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_char_or(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_char_or +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_char_xor(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_char_xor +#endif + +#endif /* !AO_NO_char_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_short_ARITHM + +AO_INLINE unsigned/**/short +AO_short_fetch_and_add(volatile unsigned/**/short *addr, unsigned/**/short incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELAXED); +} +#define AO_HAVE_short_fetch_and_add + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_short_and(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_short_and +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_short_or(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_short_or +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_short_xor(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_short_xor +#endif + +#endif /* !AO_NO_short_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_int_ARITHM + +AO_INLINE unsigned +AO_int_fetch_and_add(volatile unsigned *addr, unsigned incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELAXED); +} +#define AO_HAVE_int_fetch_and_add + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_int_and(volatile unsigned *addr, unsigned value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_int_and +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_int_or(volatile unsigned *addr, unsigned value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_int_or +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_int_xor(volatile unsigned *addr, unsigned value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_int_xor +#endif + +#endif /* !AO_NO_int_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_ARITHM + +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *addr, AO_t incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELAXED); +} +#define AO_HAVE_fetch_and_add + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_and(volatile AO_t *addr, AO_t value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_and +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_or(volatile AO_t *addr, AO_t value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_or +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_xor(volatile AO_t *addr, AO_t value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_xor +#endif + +#endif /* !AO_NO_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_char_ARITHM + +AO_INLINE unsigned/**/char +AO_char_fetch_and_add_acquire(volatile unsigned/**/char *addr, unsigned/**/char incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_char_fetch_and_add_acquire + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_char_and_acquire(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_char_and_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_char_or_acquire(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_char_or_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_char_xor_acquire(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_char_xor_acquire +#endif + +#endif /* !AO_NO_char_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_short_ARITHM + +AO_INLINE unsigned/**/short +AO_short_fetch_and_add_acquire(volatile unsigned/**/short *addr, unsigned/**/short incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_short_fetch_and_add_acquire + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_short_and_acquire(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_short_and_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_short_or_acquire(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_short_or_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_short_xor_acquire(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_short_xor_acquire +#endif + +#endif /* !AO_NO_short_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_int_ARITHM + +AO_INLINE unsigned +AO_int_fetch_and_add_acquire(volatile unsigned *addr, unsigned incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_int_fetch_and_add_acquire + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_int_and_acquire(volatile unsigned *addr, unsigned value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_int_and_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_int_or_acquire(volatile unsigned *addr, unsigned value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_int_or_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_int_xor_acquire(volatile unsigned *addr, unsigned value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_int_xor_acquire +#endif + +#endif /* !AO_NO_int_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_ARITHM + +AO_INLINE AO_t +AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_fetch_and_add_acquire + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_and_acquire(volatile AO_t *addr, AO_t value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_and_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_or_acquire(volatile AO_t *addr, AO_t value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_or_acquire +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_xor_acquire(volatile AO_t *addr, AO_t value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_xor_acquire +#endif + +#endif /* !AO_NO_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_char_ARITHM + +AO_INLINE unsigned/**/char +AO_char_fetch_and_add_release(volatile unsigned/**/char *addr, unsigned/**/char incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELEASE); +} +#define AO_HAVE_char_fetch_and_add_release + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_char_and_release(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_char_and_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_char_or_release(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_char_or_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_char_xor_release(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_char_xor_release +#endif + +#endif /* !AO_NO_char_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_short_ARITHM + +AO_INLINE unsigned/**/short +AO_short_fetch_and_add_release(volatile unsigned/**/short *addr, unsigned/**/short incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELEASE); +} +#define AO_HAVE_short_fetch_and_add_release + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_short_and_release(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_short_and_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_short_or_release(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_short_or_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_short_xor_release(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_short_xor_release +#endif + +#endif /* !AO_NO_short_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_int_ARITHM + +AO_INLINE unsigned +AO_int_fetch_and_add_release(volatile unsigned *addr, unsigned incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELEASE); +} +#define AO_HAVE_int_fetch_and_add_release + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_int_and_release(volatile unsigned *addr, unsigned value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_int_and_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_int_or_release(volatile unsigned *addr, unsigned value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_int_or_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_int_xor_release(volatile unsigned *addr, unsigned value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_int_xor_release +#endif + +#endif /* !AO_NO_int_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_ARITHM + +AO_INLINE AO_t +AO_fetch_and_add_release(volatile AO_t *addr, AO_t incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_RELEASE); +} +#define AO_HAVE_fetch_and_add_release + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_and_release(volatile AO_t *addr, AO_t value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_and_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_or_release(volatile AO_t *addr, AO_t value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_or_release +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_xor_release(volatile AO_t *addr, AO_t value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_xor_release +#endif + +#endif /* !AO_NO_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_char_ARITHM + +AO_INLINE unsigned/**/char +AO_char_fetch_and_add_full(volatile unsigned/**/char *addr, unsigned/**/char incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_SEQ_CST); +} +#define AO_HAVE_char_fetch_and_add_full + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_char_and_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_char_and_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_char_or_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_char_or_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_char_xor_full(volatile unsigned/**/char *addr, unsigned/**/char value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_char_xor_full +#endif + +#endif /* !AO_NO_char_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_short_ARITHM + +AO_INLINE unsigned/**/short +AO_short_fetch_and_add_full(volatile unsigned/**/short *addr, unsigned/**/short incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_SEQ_CST); +} +#define AO_HAVE_short_fetch_and_add_full + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_short_and_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_short_and_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_short_or_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_short_or_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_short_xor_full(volatile unsigned/**/short *addr, unsigned/**/short value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_short_xor_full +#endif + +#endif /* !AO_NO_short_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_int_ARITHM + +AO_INLINE unsigned +AO_int_fetch_and_add_full(volatile unsigned *addr, unsigned incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_SEQ_CST); +} +#define AO_HAVE_int_fetch_and_add_full + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_int_and_full(volatile unsigned *addr, unsigned value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_int_and_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_int_or_full(volatile unsigned *addr, unsigned value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_int_or_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_int_xor_full(volatile unsigned *addr, unsigned value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_int_xor_full +#endif + +#endif /* !AO_NO_int_ARITHM */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_ARITHM + +AO_INLINE AO_t +AO_fetch_and_add_full(volatile AO_t *addr, AO_t incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_SEQ_CST); +} +#define AO_HAVE_fetch_and_add_full + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_and_full(volatile AO_t *addr, AO_t value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_and_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_or_full(volatile AO_t *addr, AO_t value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_or_full +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_xor_full(volatile AO_t *addr, AO_t value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_xor_full +#endif + +#endif /* !AO_NO_ARITHM */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.template new file mode 100644 index 0000000000..916d133818 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-arithm.template @@ -0,0 +1,54 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#ifndef AO_NO_XSIZE_ARITHM + +AO_INLINE XCTYPE +AO_XSIZE_fetch_and_add_XBAR(volatile XCTYPE *addr, XCTYPE incr) +{ + return __atomic_fetch_add(addr, incr, __ATOMIC_XGCCBAR); +} +#define AO_HAVE_XSIZE_fetch_and_add_XBAR + +#ifndef AO_SKIPATOMIC_ANY_and_ANY + AO_INLINE void + AO_XSIZE_and_XBAR(volatile XCTYPE *addr, XCTYPE value) + { + (void)__atomic_and_fetch(addr, value, __ATOMIC_XGCCBAR); + } +# define AO_HAVE_XSIZE_and_XBAR +#endif + +#ifndef AO_SKIPATOMIC_ANY_or_ANY + AO_INLINE void + AO_XSIZE_or_XBAR(volatile XCTYPE *addr, XCTYPE value) + { + (void)__atomic_or_fetch(addr, value, __ATOMIC_XGCCBAR); + } +# define AO_HAVE_XSIZE_or_XBAR +#endif + +#ifndef AO_SKIPATOMIC_ANY_xor_ANY + AO_INLINE void + AO_XSIZE_xor_XBAR(volatile XCTYPE *addr, XCTYPE value) + { + (void)__atomic_xor_fetch(addr, value, __ATOMIC_XGCCBAR); + } +# define AO_HAVE_XSIZE_xor_XBAR +#endif + +#endif /* !AO_NO_XSIZE_ARITHM */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.h new file mode 100644 index 0000000000..fb78a75b87 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.h @@ -0,0 +1,632 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if !defined(AO_GCC_HAVE_char_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +AO_INLINE unsigned/**/char +AO_char_load(const volatile unsigned/**/char *addr) +{ + return __atomic_load_n(addr, __ATOMIC_RELAXED); +} +#define AO_HAVE_char_load + +AO_INLINE unsigned/**/char +AO_char_load_acquire(const volatile unsigned/**/char *addr) +{ + return __atomic_load_n(addr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_char_load_acquire + +/* char_load_read is defined using load and nop_read. */ +/* TODO: Map it to ACQUIRE. We should be strengthening the read and */ +/* write stuff to the more general acquire/release versions. It almost */ +/* never makes a difference and is much less error-prone. */ + +/* char_load_full is generalized using load and nop_full. */ +/* TODO: Map it to SEQ_CST and clarify the documentation. */ + +/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */ +/* mapped to CONSUME, but the latter is currently broken. */ + +/* char_store_full definition is omitted similar to load_full reason. */ + +/* TODO: Map store_write to RELEASE. */ + +#ifndef AO_SKIPATOMIC_char_store + AO_INLINE void + AO_char_store(volatile unsigned/**/char *addr, unsigned/**/char value) + { + __atomic_store_n(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_char_store +#endif + +#ifndef AO_SKIPATOMIC_char_store_release + AO_INLINE void + AO_char_store_release(volatile unsigned/**/char *addr, unsigned/**/char value) + { + __atomic_store_n(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_char_store_release +#endif + +#endif /* !AO_GCC_HAVE_char_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#ifdef AO_GCC_HAVE_char_SYNC_CAS + + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + (void)__atomic_compare_exchange_n(addr, + &old_val /* p_expected */, + new_val /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_char_fetch_compare_and_swap + + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap_acquire(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_val; + } +# define AO_HAVE_char_fetch_compare_and_swap_acquire + + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap_release(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_char_fetch_compare_and_swap_release + + AO_INLINE unsigned/**/char + AO_char_fetch_compare_and_swap_full(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + return old_val; + } +# define AO_HAVE_char_fetch_compare_and_swap_full + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_char_compare_and_swap(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + } +# define AO_HAVE_char_compare_and_swap + + AO_INLINE int + AO_char_compare_and_swap_acquire(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_char_compare_and_swap_acquire + + AO_INLINE int + AO_char_compare_and_swap_release(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_char_compare_and_swap_release + + AO_INLINE int + AO_char_compare_and_swap_full(volatile unsigned/**/char *addr, + unsigned/**/char old_val, unsigned/**/char new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_char_compare_and_swap_full + +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +#endif /* AO_GCC_HAVE_char_SYNC_CAS */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if !defined(AO_GCC_HAVE_short_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +AO_INLINE unsigned/**/short +AO_short_load(const volatile unsigned/**/short *addr) +{ + return __atomic_load_n(addr, __ATOMIC_RELAXED); +} +#define AO_HAVE_short_load + +AO_INLINE unsigned/**/short +AO_short_load_acquire(const volatile unsigned/**/short *addr) +{ + return __atomic_load_n(addr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_short_load_acquire + +/* short_load_read is defined using load and nop_read. */ +/* TODO: Map it to ACQUIRE. We should be strengthening the read and */ +/* write stuff to the more general acquire/release versions. It almost */ +/* never makes a difference and is much less error-prone. */ + +/* short_load_full is generalized using load and nop_full. */ +/* TODO: Map it to SEQ_CST and clarify the documentation. */ + +/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */ +/* mapped to CONSUME, but the latter is currently broken. */ + +/* short_store_full definition is omitted similar to load_full reason. */ + +/* TODO: Map store_write to RELEASE. */ + +#ifndef AO_SKIPATOMIC_short_store + AO_INLINE void + AO_short_store(volatile unsigned/**/short *addr, unsigned/**/short value) + { + __atomic_store_n(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_short_store +#endif + +#ifndef AO_SKIPATOMIC_short_store_release + AO_INLINE void + AO_short_store_release(volatile unsigned/**/short *addr, unsigned/**/short value) + { + __atomic_store_n(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_short_store_release +#endif + +#endif /* !AO_GCC_HAVE_short_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#ifdef AO_GCC_HAVE_short_SYNC_CAS + + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + (void)__atomic_compare_exchange_n(addr, + &old_val /* p_expected */, + new_val /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_short_fetch_compare_and_swap + + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap_acquire(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_val; + } +# define AO_HAVE_short_fetch_compare_and_swap_acquire + + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap_release(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_short_fetch_compare_and_swap_release + + AO_INLINE unsigned/**/short + AO_short_fetch_compare_and_swap_full(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + return old_val; + } +# define AO_HAVE_short_fetch_compare_and_swap_full + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_short_compare_and_swap(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + } +# define AO_HAVE_short_compare_and_swap + + AO_INLINE int + AO_short_compare_and_swap_acquire(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_short_compare_and_swap_acquire + + AO_INLINE int + AO_short_compare_and_swap_release(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_short_compare_and_swap_release + + AO_INLINE int + AO_short_compare_and_swap_full(volatile unsigned/**/short *addr, + unsigned/**/short old_val, unsigned/**/short new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_short_compare_and_swap_full + +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +#endif /* AO_GCC_HAVE_short_SYNC_CAS */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if !defined(AO_GCC_HAVE_int_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +AO_INLINE unsigned +AO_int_load(const volatile unsigned *addr) +{ + return __atomic_load_n(addr, __ATOMIC_RELAXED); +} +#define AO_HAVE_int_load + +AO_INLINE unsigned +AO_int_load_acquire(const volatile unsigned *addr) +{ + return __atomic_load_n(addr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_int_load_acquire + +/* int_load_read is defined using load and nop_read. */ +/* TODO: Map it to ACQUIRE. We should be strengthening the read and */ +/* write stuff to the more general acquire/release versions. It almost */ +/* never makes a difference and is much less error-prone. */ + +/* int_load_full is generalized using load and nop_full. */ +/* TODO: Map it to SEQ_CST and clarify the documentation. */ + +/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */ +/* mapped to CONSUME, but the latter is currently broken. */ + +/* int_store_full definition is omitted similar to load_full reason. */ + +/* TODO: Map store_write to RELEASE. */ + +#ifndef AO_SKIPATOMIC_int_store + AO_INLINE void + AO_int_store(volatile unsigned *addr, unsigned value) + { + __atomic_store_n(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_int_store +#endif + +#ifndef AO_SKIPATOMIC_int_store_release + AO_INLINE void + AO_int_store_release(volatile unsigned *addr, unsigned value) + { + __atomic_store_n(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_int_store_release +#endif + +#endif /* !AO_GCC_HAVE_int_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#ifdef AO_GCC_HAVE_int_SYNC_CAS + + AO_INLINE unsigned + AO_int_fetch_compare_and_swap(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + (void)__atomic_compare_exchange_n(addr, + &old_val /* p_expected */, + new_val /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_int_fetch_compare_and_swap + + AO_INLINE unsigned + AO_int_fetch_compare_and_swap_acquire(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_val; + } +# define AO_HAVE_int_fetch_compare_and_swap_acquire + + AO_INLINE unsigned + AO_int_fetch_compare_and_swap_release(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_int_fetch_compare_and_swap_release + + AO_INLINE unsigned + AO_int_fetch_compare_and_swap_full(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + return old_val; + } +# define AO_HAVE_int_fetch_compare_and_swap_full + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_int_compare_and_swap(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + } +# define AO_HAVE_int_compare_and_swap + + AO_INLINE int + AO_int_compare_and_swap_acquire(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_int_compare_and_swap_acquire + + AO_INLINE int + AO_int_compare_and_swap_release(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_int_compare_and_swap_release + + AO_INLINE int + AO_int_compare_and_swap_full(volatile unsigned *addr, + unsigned old_val, unsigned new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_int_compare_and_swap_full + +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +#endif /* AO_GCC_HAVE_int_SYNC_CAS */ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if !defined(AO_GCC_HAVE_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +AO_INLINE AO_t +AO_load(const volatile AO_t *addr) +{ + return __atomic_load_n(addr, __ATOMIC_RELAXED); +} +#define AO_HAVE_load + +AO_INLINE AO_t +AO_load_acquire(const volatile AO_t *addr) +{ + return __atomic_load_n(addr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_load_acquire + +/* load_read is defined using load and nop_read. */ +/* TODO: Map it to ACQUIRE. We should be strengthening the read and */ +/* write stuff to the more general acquire/release versions. It almost */ +/* never makes a difference and is much less error-prone. */ + +/* load_full is generalized using load and nop_full. */ +/* TODO: Map it to SEQ_CST and clarify the documentation. */ + +/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */ +/* mapped to CONSUME, but the latter is currently broken. */ + +/* store_full definition is omitted similar to load_full reason. */ + +/* TODO: Map store_write to RELEASE. */ + +#ifndef AO_SKIPATOMIC_store + AO_INLINE void + AO_store(volatile AO_t *addr, AO_t value) + { + __atomic_store_n(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_store +#endif + +#ifndef AO_SKIPATOMIC_store_release + AO_INLINE void + AO_store_release(volatile AO_t *addr, AO_t value) + { + __atomic_store_n(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_store_release +#endif + +#endif /* !AO_GCC_HAVE_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#ifdef AO_GCC_HAVE_SYNC_CAS + + AO_INLINE AO_t + AO_fetch_compare_and_swap(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + (void)__atomic_compare_exchange_n(addr, + &old_val /* p_expected */, + new_val /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_fetch_compare_and_swap + + AO_INLINE AO_t + AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_val; + } +# define AO_HAVE_fetch_compare_and_swap_acquire + + AO_INLINE AO_t + AO_fetch_compare_and_swap_release(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_fetch_compare_and_swap_release + + AO_INLINE AO_t + AO_fetch_compare_and_swap_full(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + return old_val; + } +# define AO_HAVE_fetch_compare_and_swap_full + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + } +# define AO_HAVE_compare_and_swap + + AO_INLINE int + AO_compare_and_swap_acquire(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_compare_and_swap_acquire + + AO_INLINE int + AO_compare_and_swap_release(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_compare_and_swap_release + + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, + AO_t old_val, AO_t new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_compare_and_swap_full + +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +#endif /* AO_GCC_HAVE_SYNC_CAS */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.template new file mode 100644 index 0000000000..7c2f738f34 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic-small.template @@ -0,0 +1,158 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if !defined(AO_GCC_HAVE_XSIZE_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +AO_INLINE XCTYPE +AO_XSIZE_load(const volatile XCTYPE *addr) +{ + return __atomic_load_n(addr, __ATOMIC_RELAXED); +} +#define AO_HAVE_XSIZE_load + +AO_INLINE XCTYPE +AO_XSIZE_load_acquire(const volatile XCTYPE *addr) +{ + return __atomic_load_n(addr, __ATOMIC_ACQUIRE); +} +#define AO_HAVE_XSIZE_load_acquire + +/* XSIZE_load_read is defined using load and nop_read. */ +/* TODO: Map it to ACQUIRE. We should be strengthening the read and */ +/* write stuff to the more general acquire/release versions. It almost */ +/* never makes a difference and is much less error-prone. */ + +/* XSIZE_load_full is generalized using load and nop_full. */ +/* TODO: Map it to SEQ_CST and clarify the documentation. */ + +/* TODO: Map load_dd_acquire_read to ACQUIRE. Ideally it should be */ +/* mapped to CONSUME, but the latter is currently broken. */ + +/* XSIZE_store_full definition is omitted similar to load_full reason. */ + +/* TODO: Map store_write to RELEASE. */ + +#ifndef AO_SKIPATOMIC_XSIZE_store + AO_INLINE void + AO_XSIZE_store(volatile XCTYPE *addr, XCTYPE value) + { + __atomic_store_n(addr, value, __ATOMIC_RELAXED); + } +# define AO_HAVE_XSIZE_store +#endif + +#ifndef AO_SKIPATOMIC_XSIZE_store_release + AO_INLINE void + AO_XSIZE_store_release(volatile XCTYPE *addr, XCTYPE value) + { + __atomic_store_n(addr, value, __ATOMIC_RELEASE); + } +# define AO_HAVE_XSIZE_store_release +#endif + +#endif /* !AO_GCC_HAVE_XSIZE_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#ifdef AO_GCC_HAVE_XSIZE_SYNC_CAS + + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + (void)__atomic_compare_exchange_n(addr, + &old_val /* p_expected */, + new_val /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_XSIZE_fetch_compare_and_swap + + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap_acquire(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + return old_val; + } +# define AO_HAVE_XSIZE_fetch_compare_and_swap_acquire + + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap_release(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + return old_val; + } +# define AO_HAVE_XSIZE_fetch_compare_and_swap_release + + AO_INLINE XCTYPE + AO_XSIZE_fetch_compare_and_swap_full(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + (void)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + return old_val; + } +# define AO_HAVE_XSIZE_fetch_compare_and_swap_full + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_XSIZE_compare_and_swap(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELAXED, __ATOMIC_RELAXED); + } +# define AO_HAVE_XSIZE_compare_and_swap + + AO_INLINE int + AO_XSIZE_compare_and_swap_acquire(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_XSIZE_compare_and_swap_acquire + + AO_INLINE int + AO_XSIZE_compare_and_swap_release(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_XSIZE_compare_and_swap_release + + AO_INLINE int + AO_XSIZE_compare_and_swap_full(volatile XCTYPE *addr, + XCTYPE old_val, XCTYPE new_val) + { + return (int)__atomic_compare_exchange_n(addr, &old_val, new_val, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_XSIZE_compare_and_swap_full + +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +#endif /* AO_GCC_HAVE_XSIZE_SYNC_CAS */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic.h new file mode 100644 index 0000000000..00fd3ace08 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/generic.h @@ -0,0 +1,239 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2013-2017 Ivan Maidanski + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +/* The following implementation assumes GCC 4.7 or later. */ +/* For the details, see GNU Manual, chapter 6.52 (Built-in functions */ +/* for memory model aware atomic operations). */ + +#define AO_GCC_ATOMIC_TEST_AND_SET +#include "../test_and_set_t_is_char.h" + +#if defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) \ + || defined(AO_GCC_FORCE_HAVE_CAS) +# define AO_GCC_HAVE_char_SYNC_CAS +#endif + +#if (__SIZEOF_SHORT__ == 2 && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2)) \ + || defined(AO_GCC_FORCE_HAVE_CAS) +# define AO_GCC_HAVE_short_SYNC_CAS +#endif + +#if (__SIZEOF_INT__ == 4 && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)) \ + || (__SIZEOF_INT__ == 8 && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)) \ + || defined(AO_GCC_FORCE_HAVE_CAS) +# define AO_GCC_HAVE_int_SYNC_CAS +#endif + +#if (__SIZEOF_SIZE_T__ == 4 && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)) \ + || (__SIZEOF_SIZE_T__ == 8 \ + && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)) \ + || defined(AO_GCC_FORCE_HAVE_CAS) +# define AO_GCC_HAVE_SYNC_CAS +#endif + +#undef AO_compiler_barrier +#define AO_compiler_barrier() __atomic_signal_fence(__ATOMIC_SEQ_CST) + +#ifdef AO_UNIPROCESSOR + /* If only a single processor (core) is used, AO_UNIPROCESSOR could */ + /* be defined by the client to avoid unnecessary memory barrier. */ + AO_INLINE void + AO_nop_full(void) + { + AO_compiler_barrier(); + } +# define AO_HAVE_nop_full + +#else + AO_INLINE void + AO_nop_read(void) + { + __atomic_thread_fence(__ATOMIC_ACQUIRE); + } +# define AO_HAVE_nop_read + +# ifndef AO_HAVE_nop_write + AO_INLINE void + AO_nop_write(void) + { + __atomic_thread_fence(__ATOMIC_RELEASE); + } +# define AO_HAVE_nop_write +# endif + + AO_INLINE void + AO_nop_full(void) + { + /* __sync_synchronize() could be used instead. */ + __atomic_thread_fence(__ATOMIC_SEQ_CST); + } +# define AO_HAVE_nop_full +#endif /* !AO_UNIPROCESSOR */ + +#include "generic-small.h" + +#ifndef AO_PREFER_GENERALIZED +# include "generic-arithm.h" + +# define AO_CLEAR(addr) __atomic_clear(addr, __ATOMIC_RELEASE) +# define AO_HAVE_CLEAR + + AO_INLINE AO_TS_VAL_t + AO_test_and_set(volatile AO_TS_t *addr) + { + return (AO_TS_VAL_t)__atomic_test_and_set(addr, __ATOMIC_RELAXED); + } +# define AO_HAVE_test_and_set + + AO_INLINE AO_TS_VAL_t + AO_test_and_set_acquire(volatile AO_TS_t *addr) + { + return (AO_TS_VAL_t)__atomic_test_and_set(addr, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_test_and_set_acquire + + AO_INLINE AO_TS_VAL_t + AO_test_and_set_release(volatile AO_TS_t *addr) + { + return (AO_TS_VAL_t)__atomic_test_and_set(addr, __ATOMIC_RELEASE); + } +# define AO_HAVE_test_and_set_release + + AO_INLINE AO_TS_VAL_t + AO_test_and_set_full(volatile AO_TS_t *addr) + { + return (AO_TS_VAL_t)__atomic_test_and_set(addr, __ATOMIC_SEQ_CST); + } +# define AO_HAVE_test_and_set_full +#endif /* !AO_PREFER_GENERALIZED */ + +#ifdef AO_HAVE_DOUBLE_PTR_STORAGE + +# if ((__SIZEOF_SIZE_T__ == 4 \ + && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8)) \ + || (__SIZEOF_SIZE_T__ == 8 /* half of AO_double_t */ \ + && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16))) \ + && !defined(AO_SKIPATOMIC_double_compare_and_swap_ANY) +# define AO_GCC_HAVE_double_SYNC_CAS +# endif + +# if !defined(AO_GCC_HAVE_double_SYNC_CAS) || !defined(AO_PREFER_GENERALIZED) + +# if !defined(AO_HAVE_double_load) && !defined(AO_SKIPATOMIC_double_load) + AO_INLINE AO_double_t + AO_double_load(const volatile AO_double_t *addr) + { + AO_double_t result; + + result.AO_whole = __atomic_load_n(&addr->AO_whole, __ATOMIC_RELAXED); + return result; + } +# define AO_HAVE_double_load +# endif + +# if !defined(AO_HAVE_double_load_acquire) \ + && !defined(AO_SKIPATOMIC_double_load_acquire) + AO_INLINE AO_double_t + AO_double_load_acquire(const volatile AO_double_t *addr) + { + AO_double_t result; + + result.AO_whole = __atomic_load_n(&addr->AO_whole, __ATOMIC_ACQUIRE); + return result; + } +# define AO_HAVE_double_load_acquire +# endif + +# if !defined(AO_HAVE_double_store) && !defined(AO_SKIPATOMIC_double_store) + AO_INLINE void + AO_double_store(volatile AO_double_t *addr, AO_double_t value) + { + __atomic_store_n(&addr->AO_whole, value.AO_whole, __ATOMIC_RELAXED); + } +# define AO_HAVE_double_store +# endif + +# if !defined(AO_HAVE_double_store_release) \ + && !defined(AO_SKIPATOMIC_double_store_release) + AO_INLINE void + AO_double_store_release(volatile AO_double_t *addr, AO_double_t value) + { + __atomic_store_n(&addr->AO_whole, value.AO_whole, __ATOMIC_RELEASE); + } +# define AO_HAVE_double_store_release +# endif + +#endif /* !AO_GCC_HAVE_double_SYNC_CAS || !AO_PREFER_GENERALIZED */ + +#endif /* AO_HAVE_DOUBLE_PTR_STORAGE */ + +#ifdef AO_GCC_HAVE_double_SYNC_CAS +# ifndef AO_HAVE_double_compare_and_swap + AO_INLINE int + AO_double_compare_and_swap(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return (int)__atomic_compare_exchange_n(&addr->AO_whole, + &old_val.AO_whole /* p_expected */, + new_val.AO_whole /* desired */, + 0 /* is_weak: false */, + __ATOMIC_RELAXED /* success */, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_double_compare_and_swap +# endif + +# ifndef AO_HAVE_double_compare_and_swap_acquire + AO_INLINE int + AO_double_compare_and_swap_acquire(volatile AO_double_t *addr, + AO_double_t old_val, + AO_double_t new_val) + { + return (int)__atomic_compare_exchange_n(&addr->AO_whole, + &old_val.AO_whole, new_val.AO_whole, 0, + __ATOMIC_ACQUIRE, __ATOMIC_ACQUIRE); + } +# define AO_HAVE_double_compare_and_swap_acquire +# endif + +# ifndef AO_HAVE_double_compare_and_swap_release + AO_INLINE int + AO_double_compare_and_swap_release(volatile AO_double_t *addr, + AO_double_t old_val, + AO_double_t new_val) + { + return (int)__atomic_compare_exchange_n(&addr->AO_whole, + &old_val.AO_whole, new_val.AO_whole, 0, + __ATOMIC_RELEASE, + __ATOMIC_RELAXED /* failure */); + } +# define AO_HAVE_double_compare_and_swap_release +# endif + +# ifndef AO_HAVE_double_compare_and_swap_full + AO_INLINE int + AO_double_compare_and_swap_full(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + return (int)__atomic_compare_exchange_n(&addr->AO_whole, + &old_val.AO_whole, new_val.AO_whole, 0, + __ATOMIC_ACQ_REL, + __ATOMIC_ACQUIRE /* failure */); + } +# define AO_HAVE_double_compare_and_swap_full +# endif +#endif /* AO_GCC_HAVE_double_SYNC_CAS */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hexagon.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hexagon.h new file mode 100644 index 0000000000..ca0d8975c2 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hexagon.h @@ -0,0 +1,140 @@ +/* + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + */ + +#if AO_CLANG_PREREQ(3, 9) && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled for earlier clang versions as well. */ + + /* As of clang-3.9, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n are missing. */ +# define AO_GCC_FORCE_HAVE_CAS + +# define AO_GCC_HAVE_double_SYNC_CAS +# include "../standard_ao_double_t.h" + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_ao_t.h" + +/* There's also "isync" and "barrier"; however, for all current CPU */ +/* versions, "syncht" should suffice. Likewise, it seems that the */ +/* auto-defined versions of *_acquire, *_release or *_full suffice for */ +/* all current ISA implementations. */ +AO_INLINE void +AO_nop_full(void) +{ + __asm__ __volatile__("syncht" : : : "memory"); +} +#define AO_HAVE_nop_full + +/* The Hexagon has load-locked, store-conditional primitives, and so */ +/* resulting code is very nearly identical to that of PowerPC. */ + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *addr, AO_t incr) +{ + AO_t oldval; + AO_t newval; + __asm__ __volatile__( + "1:\n" + " %0 = memw_locked(%3);\n" /* load and reserve */ + " %1 = add (%0,%4);\n" /* increment */ + " memw_locked(%3,p1) = %1;\n" /* store conditional */ + " if (!p1) jump 1b;\n" /* retry if lost reservation */ + : "=&r"(oldval), "=&r"(newval), "+m"(*addr) + : "r"(addr), "r"(incr) + : "memory", "p1"); + return oldval; +} +#define AO_HAVE_fetch_and_add + +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) +{ + int oldval; + int locked_value = 1; + + __asm__ __volatile__( + "1:\n" + " %0 = memw_locked(%2);\n" /* load and reserve */ + " {\n" + " p2 = cmp.eq(%0,#0);\n" /* if load is not zero, */ + " if (!p2.new) jump:nt 2f;\n" /* we are done */ + " }\n" + " memw_locked(%2,p1) = %3;\n" /* else store conditional */ + " if (!p1) jump 1b;\n" /* retry if lost reservation */ + "2:\n" /* oldval is zero if we set */ + : "=&r"(oldval), "+m"(*addr) + : "r"(addr), "r"(locked_value) + : "memory", "p1", "p2"); + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set +#endif /* !AO_PREFER_GENERALIZED */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) + { + AO_t __oldval; + int result = 0; + __asm__ __volatile__( + "1:\n" + " %0 = memw_locked(%3);\n" /* load and reserve */ + " {\n" + " p2 = cmp.eq(%0,%4);\n" /* if load is not equal to */ + " if (!p2.new) jump:nt 2f;\n" /* old, fail */ + " }\n" + " memw_locked(%3,p1) = %5;\n" /* else store conditional */ + " if (!p1) jump 1b;\n" /* retry if lost reservation */ + " %1 = #1\n" /* success, result = 1 */ + "2:\n" + : "=&r" (__oldval), "+r" (result), "+m"(*addr) + : "r" (addr), "r" (old), "r" (new_val) + : "p1", "p2", "memory" + ); + return result; + } +# define AO_HAVE_compare_and_swap +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) +{ + AO_t __oldval; + + __asm__ __volatile__( + "1:\n" + " %0 = memw_locked(%2);\n" /* load and reserve */ + " {\n" + " p2 = cmp.eq(%0,%3);\n" /* if load is not equal to */ + " if (!p2.new) jump:nt 2f;\n" /* old_val, fail */ + " }\n" + " memw_locked(%2,p1) = %4;\n" /* else store conditional */ + " if (!p1) jump 1b;\n" /* retry if lost reservation */ + "2:\n" + : "=&r" (__oldval), "+m"(*addr) + : "r" (addr), "r" (old_val), "r" (new_val) + : "p1", "p2", "memory" + ); + return __oldval; +} +#define AO_HAVE_fetch_compare_and_swap + +#define AO_T_IS_INT + +#endif /* AO_DISABLE_GCC_ATOMICS */ + +#undef AO_GCC_FORCE_HAVE_CAS +#undef AO_GCC_HAVE_double_SYNC_CAS diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hppa.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hppa.h new file mode 100644 index 0000000000..2d0c491c3b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/hppa.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "../all_atomic_load_store.h" + +/* Some architecture set descriptions include special "ordered" memory */ +/* operations. As far as we can tell, no existing processors actually */ +/* require those. Nor does it appear likely that future processors */ +/* will. */ +#include "../ordered.h" + +/* GCC will not guarantee the alignment we need, use four lock words */ +/* and select the correctly aligned datum. See the glibc 2.3.2 */ +/* linuxthread port for the original implementation. */ +struct AO_pa_clearable_loc { + int data[4]; +}; + +#undef AO_TS_INITIALIZER +#define AO_TS_t struct AO_pa_clearable_loc +#define AO_TS_INITIALIZER { { 1, 1, 1, 1 } } +/* Switch meaning of set and clear, since we only have an atomic clear */ +/* instruction. */ +typedef enum {AO_PA_TS_set = 0, AO_PA_TS_clear = 1} AO_PA_TS_val; +#define AO_TS_VAL_t AO_PA_TS_val +#define AO_TS_CLEAR AO_PA_TS_clear +#define AO_TS_SET AO_PA_TS_set + +/* The hppa only has one atomic read and modify memory operation, */ +/* load and clear, so hppa spinlocks must use zero to signify that */ +/* someone is holding the lock. The address used for the ldcw */ +/* semaphore must be 16-byte aligned. */ +#define AO_ldcw(a, ret) \ + __asm__ __volatile__("ldcw 0(%2), %0" \ + : "=r" (ret), "=m" (*(a)) : "r" (a)) + +/* Because malloc only guarantees 8-byte alignment for malloc'd data, */ +/* and GCC only guarantees 8-byte alignment for stack locals, we can't */ +/* be assured of 16-byte alignment for atomic lock data even if we */ +/* specify "__attribute ((aligned(16)))" in the type declaration. So, */ +/* we use a struct containing an array of four ints for the atomic lock */ +/* type and dynamically select the 16-byte aligned int from the array */ +/* for the semaphore. */ +#define AO_PA_LDCW_ALIGNMENT 16 +#define AO_ldcw_align(addr) \ + ((volatile unsigned *)(((unsigned long)(addr) \ + + (AO_PA_LDCW_ALIGNMENT - 1)) \ + & ~(AO_PA_LDCW_ALIGNMENT - 1))) + +/* Works on PA 1.1 and PA 2.0 systems */ +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t * addr) +{ + volatile unsigned int ret; + volatile unsigned *a = AO_ldcw_align(addr); + + AO_ldcw(a, ret); + return (AO_TS_VAL_t)ret; +} +#define AO_HAVE_test_and_set_full + +AO_INLINE void +AO_pa_clear(volatile AO_TS_t * addr) +{ + volatile unsigned *a = AO_ldcw_align(addr); + + AO_compiler_barrier(); + *a = 1; +} +#define AO_CLEAR(addr) AO_pa_clear(addr) +#define AO_HAVE_CLEAR + +#undef AO_PA_LDCW_ALIGNMENT +#undef AO_ldcw +#undef AO_ldcw_align diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/ia64.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/ia64.h new file mode 100644 index 0000000000..98627d53bd --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/ia64.h @@ -0,0 +1,287 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "../all_atomic_load_store.h" + +#include "../all_acquire_release_volatile.h" + +#include "../test_and_set_t_is_char.h" + +#ifdef _ILP32 + /* 32-bit HP/UX code. */ + /* This requires pointer "swizzling". Pointers need to be expanded */ + /* to 64 bits using the addp4 instruction before use. This makes it */ + /* hard to share code, but we try anyway. */ +# define AO_LEN "4" + /* We assume that addr always appears in argument position 1 in asm */ + /* code. If it is clobbered due to swizzling, we also need it in */ + /* second position. Any later arguments are referenced symbolically, */ + /* so that we don't have to worry about their position. This requires*/ + /* gcc 3.1, but you shouldn't be using anything older than that on */ + /* IA64 anyway. */ + /* The AO_MASK macro is a workaround for the fact that HP/UX gcc */ + /* appears to otherwise store 64-bit pointers in ar.ccv, i.e. it */ + /* doesn't appear to clear high bits in a pointer value we pass into */ + /* assembly code, even if it is supposedly of type AO_t. */ +# define AO_IN_ADDR "1"(addr) +# define AO_OUT_ADDR , "=r"(addr) +# define AO_SWIZZLE "addp4 %1=0,%1;;\n" +# define AO_MASK(ptr) __asm__ __volatile__("zxt4 %1=%1": "=r"(ptr) : "0"(ptr)) +#else +# define AO_LEN "8" +# define AO_IN_ADDR "r"(addr) +# define AO_OUT_ADDR +# define AO_SWIZZLE +# define AO_MASK(ptr) /* empty */ +#endif /* !_ILP32 */ + +AO_INLINE void +AO_nop_full(void) +{ + __asm__ __volatile__("mf" : : : "memory"); +} +#define AO_HAVE_nop_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add1_acquire (volatile AO_t *addr) +{ + AO_t result; + + __asm__ __volatile__ (AO_SWIZZLE + "fetchadd" AO_LEN ".acq %0=[%1],1": + "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); + return result; +} +#define AO_HAVE_fetch_and_add1_acquire + +AO_INLINE AO_t +AO_fetch_and_add1_release (volatile AO_t *addr) +{ + AO_t result; + + __asm__ __volatile__ (AO_SWIZZLE + "fetchadd" AO_LEN ".rel %0=[%1],1": + "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); + return result; +} +#define AO_HAVE_fetch_and_add1_release + +AO_INLINE AO_t +AO_fetch_and_sub1_acquire (volatile AO_t *addr) +{ + AO_t result; + + __asm__ __volatile__ (AO_SWIZZLE + "fetchadd" AO_LEN ".acq %0=[%1],-1": + "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); + return result; +} +#define AO_HAVE_fetch_and_sub1_acquire + +AO_INLINE AO_t +AO_fetch_and_sub1_release (volatile AO_t *addr) +{ + AO_t result; + + __asm__ __volatile__ (AO_SWIZZLE + "fetchadd" AO_LEN ".rel %0=[%1],-1": + "=r" (result) AO_OUT_ADDR: AO_IN_ADDR :"memory"); + return result; +} +#define AO_HAVE_fetch_and_sub1_release +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) +{ + AO_t fetched_val; + AO_MASK(old); + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg" AO_LEN + ".acq %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"(old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap_acquire + +AO_INLINE AO_t +AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old, AO_t new_val) +{ + AO_t fetched_val; + AO_MASK(old); + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg" AO_LEN + ".rel %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"(old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap_release + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_acquire(volatile unsigned char *addr, + unsigned char old, unsigned char new_val) +{ + unsigned char fetched_val; + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg1.acq %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_char_fetch_compare_and_swap_acquire + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_release(volatile unsigned char *addr, + unsigned char old, unsigned char new_val) +{ + unsigned char fetched_val; + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg1.rel %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_char_fetch_compare_and_swap_release + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_acquire(volatile unsigned short *addr, + unsigned short old, unsigned short new_val) +{ + unsigned short fetched_val; + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg2.acq %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_short_fetch_compare_and_swap_acquire + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_release(volatile unsigned short *addr, + unsigned short old, unsigned short new_val) +{ + unsigned short fetched_val; + __asm__ __volatile__(AO_SWIZZLE + "mov ar.ccv=%[old] ;; cmpxchg2.rel %0=[%1],%[new_val],ar.ccv" + : "=r"(fetched_val) AO_OUT_ADDR + : AO_IN_ADDR, [new_val]"r"(new_val), [old]"r"((AO_t)old) + : "memory"); + return fetched_val; +} +#define AO_HAVE_short_fetch_compare_and_swap_release + +#ifdef _ILP32 + +# define AO_T_IS_INT + + /* TODO: Add compare_double_and_swap_double for the _ILP32 case. */ +#else + +# ifndef AO_PREFER_GENERALIZED + AO_INLINE unsigned int + AO_int_fetch_and_add1_acquire(volatile unsigned int *addr) + { + unsigned int result; + __asm__ __volatile__("fetchadd4.acq %0=[%1],1" + : "=r" (result) : AO_IN_ADDR + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_add1_acquire + + AO_INLINE unsigned int + AO_int_fetch_and_add1_release(volatile unsigned int *addr) + { + unsigned int result; + __asm__ __volatile__("fetchadd4.rel %0=[%1],1" + : "=r" (result) : AO_IN_ADDR + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_add1_release + + AO_INLINE unsigned int + AO_int_fetch_and_sub1_acquire(volatile unsigned int *addr) + { + unsigned int result; + __asm__ __volatile__("fetchadd4.acq %0=[%1],-1" + : "=r" (result) : AO_IN_ADDR + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_sub1_acquire + + AO_INLINE unsigned int + AO_int_fetch_and_sub1_release(volatile unsigned int *addr) + { + unsigned int result; + __asm__ __volatile__("fetchadd4.rel %0=[%1],-1" + : "=r" (result) : AO_IN_ADDR + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_sub1_release +# endif /* !AO_PREFER_GENERALIZED */ + + AO_INLINE unsigned int + AO_int_fetch_compare_and_swap_acquire(volatile unsigned int *addr, + unsigned int old, unsigned int new_val) + { + unsigned int fetched_val; + __asm__ __volatile__("mov ar.ccv=%3 ;; cmpxchg4.acq %0=[%1],%2,ar.ccv" + : "=r"(fetched_val) + : AO_IN_ADDR, "r"(new_val), "r"((AO_t)old) + : "memory"); + return fetched_val; + } +# define AO_HAVE_int_fetch_compare_and_swap_acquire + + AO_INLINE unsigned int + AO_int_fetch_compare_and_swap_release(volatile unsigned int *addr, + unsigned int old, unsigned int new_val) + { + unsigned int fetched_val; + __asm__ __volatile__("mov ar.ccv=%3 ;; cmpxchg4.rel %0=[%1],%2,ar.ccv" + : "=r"(fetched_val) + : AO_IN_ADDR, "r"(new_val), "r"((AO_t)old) + : "memory"); + return fetched_val; + } +# define AO_HAVE_int_fetch_compare_and_swap_release +#endif /* !_ILP32 */ + +/* TODO: Add compare_and_swap_double as soon as there is widely */ +/* available hardware that implements it. */ + +#undef AO_IN_ADDR +#undef AO_LEN +#undef AO_MASK +#undef AO_OUT_ADDR +#undef AO_SWIZZLE diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/m68k.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/m68k.h new file mode 100644 index 0000000000..1cf4833174 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/m68k.h @@ -0,0 +1,68 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +/* The cas instruction causes an emulation trap for the */ +/* 060 with a misaligned pointer, so let's avoid this. */ +#undef AO_t +typedef unsigned long AO_t __attribute__((__aligned__(4))); + +/* FIXME. Very incomplete. */ +#include "../all_aligned_atomic_load_store.h" + +/* Are there any m68k multiprocessors still around? */ +/* AFAIK, Alliants were sequentially consistent. */ +#include "../ordered.h" + +#include "../test_and_set_t_is_char.h" + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) { + AO_TS_t oldval; + + /* The value at addr is semi-phony. */ + /* 'tas' sets bit 7 while the return */ + /* value pretends all bits were set, */ + /* which at least matches AO_TS_SET. */ + __asm__ __volatile__( + "tas %1; sne %0" + : "=d" (oldval), "=m" (*addr) + : "m" (*addr) + : "memory"); + /* This cast works due to the above. */ + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set_full + +/* Returns nonzero if the comparison succeeded. */ +AO_INLINE int +AO_compare_and_swap_full(volatile AO_t *addr, + AO_t old, AO_t new_val) +{ + char result; + + __asm__ __volatile__( + "cas.l %3,%4,%1; seq %0" + : "=d" (result), "=m" (*addr) + : "m" (*addr), "d" (old), "d" (new_val) + : "memory"); + return -result; +} +#define AO_HAVE_compare_and_swap_full + +/* TODO: implement AO_fetch_compare_and_swap. */ + +#define AO_T_IS_INT diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/mips.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/mips.h new file mode 100644 index 0000000000..34cc4fbb33 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/mips.h @@ -0,0 +1,205 @@ +/* + * Copyright (c) 2005,2007 Thiemo Seufer + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + */ + +/* + * FIXME: This should probably make finer distinctions. SGI MIPS is + * much more strongly ordered, and in fact closer to sequentially + * consistent. This is really aimed at modern embedded implementations. + */ + +/* Data dependence does not imply read ordering. */ +#define AO_NO_DD_ORDERING + +/* #include "../standard_ao_double_t.h" */ +/* TODO: Implement double-wide operations if available. */ + +#if (AO_GNUC_PREREQ(4, 9) || AO_CLANG_PREREQ(3, 5)) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled even for earlier gcc/clang versions. */ + + /* As of clang-3.6/mips[64], __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n missing. */ +# if defined(__clang__) +# define AO_GCC_FORCE_HAVE_CAS +# endif + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ + +# include "../test_and_set_t_is_ao_t.h" +# include "../all_aligned_atomic_load_store.h" + +# if !defined(_ABI64) || _MIPS_SIM != _ABI64 +# define AO_T_IS_INT +# if __mips_isa_rev >= 6 + /* Encoding of ll/sc in mips rel6 differs from that of mips2/3. */ +# define AO_MIPS_SET_ISA "" +# else +# define AO_MIPS_SET_ISA " .set mips2\n" +# endif +# define AO_MIPS_LL_1(args) " ll " args "\n" +# define AO_MIPS_SC(args) " sc " args "\n" +# else +# if __mips_isa_rev >= 6 +# define AO_MIPS_SET_ISA "" +# else +# define AO_MIPS_SET_ISA " .set mips3\n" +# endif +# define AO_MIPS_LL_1(args) " lld " args "\n" +# define AO_MIPS_SC(args) " scd " args "\n" +# endif /* _MIPS_SIM == _ABI64 */ + +#ifdef AO_ICE9A1_LLSC_WAR + /* ICE9 rev A1 chip (used in very few systems) is reported to */ + /* have a low-frequency bug that causes LL to fail. */ + /* To workaround, just issue the second 'LL'. */ +# define AO_MIPS_LL(args) AO_MIPS_LL_1(args) AO_MIPS_LL_1(args) +#else +# define AO_MIPS_LL(args) AO_MIPS_LL_1(args) +#endif + +AO_INLINE void +AO_nop_full(void) +{ + __asm__ __volatile__( + " .set push\n" + AO_MIPS_SET_ISA + " .set noreorder\n" + " .set nomacro\n" + " sync\n" + " .set pop" + : : : "memory"); +} +#define AO_HAVE_nop_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *addr, AO_t incr) +{ + register int result; + register int temp; + + __asm__ __volatile__( + " .set push\n" + AO_MIPS_SET_ISA + " .set noreorder\n" + " .set nomacro\n" + "1: " + AO_MIPS_LL("%0, %2") + " addu %1, %0, %3\n" + AO_MIPS_SC("%1, %2") + " beqz %1, 1b\n" + " nop\n" + " .set pop" + : "=&r" (result), "=&r" (temp), "+m" (*addr) + : "Ir" (incr) + : "memory"); + return (AO_t)result; +} +#define AO_HAVE_fetch_and_add + +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) +{ + register int oldval; + register int temp; + + __asm__ __volatile__( + " .set push\n" + AO_MIPS_SET_ISA + " .set noreorder\n" + " .set nomacro\n" + "1: " + AO_MIPS_LL("%0, %2") + " move %1, %3\n" + AO_MIPS_SC("%1, %2") + " beqz %1, 1b\n" + " nop\n" + " .set pop" + : "=&r" (oldval), "=&r" (temp), "+m" (*addr) + : "r" (1) + : "memory"); + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set + + /* TODO: Implement AO_and/or/xor primitives directly. */ +#endif /* !AO_PREFER_GENERALIZED */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) + { + register int was_equal = 0; + register int temp; + + __asm__ __volatile__( + " .set push\n" + AO_MIPS_SET_ISA + " .set noreorder\n" + " .set nomacro\n" + "1: " + AO_MIPS_LL("%0, %1") + " bne %0, %4, 2f\n" + " move %0, %3\n" + AO_MIPS_SC("%0, %1") + " .set pop\n" + " beqz %0, 1b\n" + " li %2, 1\n" + "2:" + : "=&r" (temp), "+m" (*addr), "+r" (was_equal) + : "r" (new_val), "r" (old) + : "memory"); + return was_equal; + } +# define AO_HAVE_compare_and_swap +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) +{ + register int fetched_val; + register int temp; + + __asm__ __volatile__( + " .set push\n" + AO_MIPS_SET_ISA + " .set noreorder\n" + " .set nomacro\n" + "1: " + AO_MIPS_LL("%0, %2") + " bne %0, %4, 2f\n" + " move %1, %3\n" + AO_MIPS_SC("%1, %2") + " beqz %1, 1b\n" + " nop\n" + " .set pop\n" + "2:" + : "=&r" (fetched_val), "=&r" (temp), "+m" (*addr) + : "r" (new_val), "Jr" (old) + : "memory"); + return (AO_t)fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap + +#endif /* AO_DISABLE_GCC_ATOMICS */ + +/* CAS primitives with acquire, release and full semantics are */ +/* generated automatically (and AO_int_... primitives are */ +/* defined properly after the first generalization pass). */ + +#undef AO_GCC_FORCE_HAVE_CAS +#undef AO_MIPS_LL +#undef AO_MIPS_LL_1 +#undef AO_MIPS_SC +#undef AO_MIPS_SET_ISA diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/powerpc.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/powerpc.h new file mode 100644 index 0000000000..e70b76d211 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/powerpc.h @@ -0,0 +1,348 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +/* Memory model documented at http://www-106.ibm.com/developerworks/ */ +/* eserver/articles/archguide.html and (clearer) */ +/* http://www-106.ibm.com/developerworks/eserver/articles/powerpc.html. */ +/* There appears to be no implicit ordering between any kind of */ +/* independent memory references. */ + +/* TODO: Implement double-wide operations if available. */ + +#if (AO_GNUC_PREREQ(4, 8) || AO_CLANG_PREREQ(3, 8)) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled even for earlier gcc/clang versions. */ + + /* TODO: As of clang-3.8.1, it emits lwsync in AO_load_acquire */ + /* (i.e., the code is less efficient than the one given below). */ + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ + +/* Architecture enforces some ordering based on control dependence. */ +/* I don't know if that could help. */ +/* Data-dependent loads are always ordered. */ +/* Based on the above references, eieio is intended for use on */ +/* uncached memory, which we don't support. It does not order loads */ +/* from cached memory. */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_ao_t.h" + /* There seems to be no byte equivalent of lwarx, so this */ + /* may really be what we want, at least in the 32-bit case. */ + +AO_INLINE void +AO_nop_full(void) +{ + __asm__ __volatile__("sync" : : : "memory"); +} +#define AO_HAVE_nop_full + +/* lwsync apparently works for everything but a StoreLoad barrier. */ +AO_INLINE void +AO_lwsync(void) +{ +#ifdef __NO_LWSYNC__ + __asm__ __volatile__("sync" : : : "memory"); +#else + __asm__ __volatile__("lwsync" : : : "memory"); +#endif +} + +#define AO_nop_write() AO_lwsync() +#define AO_HAVE_nop_write + +#define AO_nop_read() AO_lwsync() +#define AO_HAVE_nop_read + +#if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) + /* ppc64 uses ld not lwz */ +# define AO_PPC_LD "ld" +# define AO_PPC_LxARX "ldarx" +# define AO_PPC_CMPx "cmpd" +# define AO_PPC_STxCXd "stdcx." +# define AO_PPC_LOAD_CLOBBER "cr0" +#else +# define AO_PPC_LD "lwz" +# define AO_PPC_LxARX "lwarx" +# define AO_PPC_CMPx "cmpw" +# define AO_PPC_STxCXd "stwcx." +# define AO_PPC_LOAD_CLOBBER "cc" + /* FIXME: We should get gcc to allocate one of the condition */ + /* registers. I always got "impossible constraint" when I */ + /* tried the "y" constraint. */ +# define AO_T_IS_INT +#endif + +#ifdef _AIX + /* Labels are not supported on AIX. */ + /* ppc64 has same size of instructions as 32-bit one. */ +# define AO_PPC_L(label) /* empty */ +# define AO_PPC_BR_A(labelBF, addr) addr +#else +# define AO_PPC_L(label) label ": " +# define AO_PPC_BR_A(labelBF, addr) labelBF +#endif + +/* We explicitly specify load_acquire, since it is important, and can */ +/* be implemented relatively cheaply. It could be implemented */ +/* with an ordinary load followed by a lwsync. But the general wisdom */ +/* seems to be that a data dependent branch followed by an isync is */ +/* cheaper. And the documentation is fairly explicit that this also */ +/* has acquire semantics. */ +AO_INLINE AO_t +AO_load_acquire(const volatile AO_t *addr) +{ + AO_t result; + + __asm__ __volatile__ ( + AO_PPC_LD "%U1%X1 %0,%1\n" + "cmpw %0,%0\n" + "bne- " AO_PPC_BR_A("1f", "$+4") "\n" + AO_PPC_L("1") "isync\n" + : "=r" (result) + : "m"(*addr) : "memory", AO_PPC_LOAD_CLOBBER); + return result; +} +#define AO_HAVE_load_acquire + +/* We explicitly specify store_release, since it relies */ +/* on the fact that lwsync is also a LoadStore barrier. */ +AO_INLINE void +AO_store_release(volatile AO_t *addr, AO_t value) +{ + AO_lwsync(); + *addr = value; +} +#define AO_HAVE_store_release + +#ifndef AO_PREFER_GENERALIZED +/* This is similar to the code in the garbage collector. Deleting */ +/* this and having it synthesized from compare_and_swap would probably */ +/* only cost us a load immediate instruction. */ +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) { + /* TODO: And we should be using smaller objects anyway. */ + AO_t oldval; + AO_t temp = 1; /* locked value */ + + __asm__ __volatile__( + AO_PPC_L("1") AO_PPC_LxARX " %0,0,%1\n" + /* load and reserve */ + AO_PPC_CMPx "i %0, 0\n" /* if load is */ + "bne " AO_PPC_BR_A("2f", "$+12") "\n" + /* non-zero, return already set */ + AO_PPC_STxCXd " %2,0,%1\n" /* else store conditional */ + "bne- " AO_PPC_BR_A("1b", "$-16") "\n" + /* retry if lost reservation */ + AO_PPC_L("2") "\n" /* oldval is zero if we set */ + : "=&r"(oldval) + : "r"(addr), "r"(temp) + : "memory", "cr0"); + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_acquire(volatile AO_TS_t *addr) { + AO_TS_VAL_t result = AO_test_and_set(addr); + AO_lwsync(); + return result; +} +#define AO_HAVE_test_and_set_acquire + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_release(volatile AO_TS_t *addr) { + AO_lwsync(); + return AO_test_and_set(addr); +} +#define AO_HAVE_test_and_set_release + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) { + AO_TS_VAL_t result; + AO_lwsync(); + result = AO_test_and_set(addr); + AO_lwsync(); + return result; +} +#define AO_HAVE_test_and_set_full +#endif /* !AO_PREFER_GENERALIZED */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + + AO_INLINE int + AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) + { + AO_t oldval; + int result = 0; + + __asm__ __volatile__( + AO_PPC_L("1") AO_PPC_LxARX " %0,0,%2\n" /* load and reserve */ + AO_PPC_CMPx " %0, %4\n" /* if load is not equal to */ + "bne " AO_PPC_BR_A("2f", "$+16") "\n" /* old, fail */ + AO_PPC_STxCXd " %3,0,%2\n" /* else store conditional */ + "bne- " AO_PPC_BR_A("1b", "$-16") "\n" + /* retry if lost reservation */ + "li %1,1\n" /* result = 1; */ + AO_PPC_L("2") "\n" + : "=&r"(oldval), "=&r"(result) + : "r"(addr), "r"(new_val), "r"(old), "1"(result) + : "memory", "cr0"); + return result; + } +# define AO_HAVE_compare_and_swap + + AO_INLINE int + AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) + { + int result = AO_compare_and_swap(addr, old, new_val); + AO_lwsync(); + return result; + } +# define AO_HAVE_compare_and_swap_acquire + + AO_INLINE int + AO_compare_and_swap_release(volatile AO_t *addr, AO_t old, AO_t new_val) + { + AO_lwsync(); + return AO_compare_and_swap(addr, old, new_val); + } +# define AO_HAVE_compare_and_swap_release + + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) + { + int result; + AO_lwsync(); + result = AO_compare_and_swap(addr, old, new_val); + if (result) + AO_lwsync(); + return result; + } +# define AO_HAVE_compare_and_swap_full + +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) +{ + AO_t fetched_val; + + __asm__ __volatile__( + AO_PPC_L("1") AO_PPC_LxARX " %0,0,%1\n" /* load and reserve */ + AO_PPC_CMPx " %0, %3\n" /* if load is not equal to */ + "bne " AO_PPC_BR_A("2f", "$+12") "\n" /* old_val, fail */ + AO_PPC_STxCXd " %2,0,%1\n" /* else store conditional */ + "bne- " AO_PPC_BR_A("1b", "$-16") "\n" + /* retry if lost reservation */ + AO_PPC_L("2") "\n" + : "=&r"(fetched_val) + : "r"(addr), "r"(new_val), "r"(old_val) + : "memory", "cr0"); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap + +AO_INLINE AO_t +AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t result = AO_fetch_compare_and_swap(addr, old_val, new_val); + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_compare_and_swap_acquire + +AO_INLINE AO_t +AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_lwsync(); + return AO_fetch_compare_and_swap(addr, old_val, new_val); +} +#define AO_HAVE_fetch_compare_and_swap_release + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t result; + AO_lwsync(); + result = AO_fetch_compare_and_swap(addr, old_val, new_val); + if (result == old_val) + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_compare_and_swap_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add(volatile AO_t *addr, AO_t incr) { + AO_t oldval; + AO_t newval; + + __asm__ __volatile__( + AO_PPC_L("1") AO_PPC_LxARX " %0,0,%2\n" /* load and reserve */ + "add %1,%0,%3\n" /* increment */ + AO_PPC_STxCXd " %1,0,%2\n" /* store conditional */ + "bne- " AO_PPC_BR_A("1b", "$-12") "\n" + /* retry if lost reservation */ + : "=&r"(oldval), "=&r"(newval) + : "r"(addr), "r"(incr) + : "memory", "cr0"); + return oldval; +} +#define AO_HAVE_fetch_and_add + +AO_INLINE AO_t +AO_fetch_and_add_acquire(volatile AO_t *addr, AO_t incr) { + AO_t result = AO_fetch_and_add(addr, incr); + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_and_add_acquire + +AO_INLINE AO_t +AO_fetch_and_add_release(volatile AO_t *addr, AO_t incr) { + AO_lwsync(); + return AO_fetch_and_add(addr, incr); +} +#define AO_HAVE_fetch_and_add_release + +AO_INLINE AO_t +AO_fetch_and_add_full(volatile AO_t *addr, AO_t incr) { + AO_t result; + AO_lwsync(); + result = AO_fetch_and_add(addr, incr); + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_and_add_full +#endif /* !AO_PREFER_GENERALIZED */ + +#undef AO_PPC_BR_A +#undef AO_PPC_CMPx +#undef AO_PPC_L +#undef AO_PPC_LD +#undef AO_PPC_LOAD_CLOBBER +#undef AO_PPC_LxARX +#undef AO_PPC_STxCXd + +#endif /* AO_DISABLE_GCC_ATOMICS */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/riscv.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/riscv.h new file mode 100644 index 0000000000..9a0586a27a --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/riscv.h @@ -0,0 +1,32 @@ +/* + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + */ + +#if defined(__clang__) || defined(AO_PREFER_BUILTIN_ATOMICS) + /* All __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n macros are still missing. */ + /* The operations are lock-free even for the types smaller than word. */ +# define AO_GCC_FORCE_HAVE_CAS +#else + + /* As of gcc-7.5, CAS and arithmetic atomic operations for char and */ + /* short are supported by the compiler but require -latomic flag. */ +# if !defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1) +# define AO_NO_char_ARITHM +# endif +# if !defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2) +# define AO_NO_short_ARITHM +# endif +#endif /* !__clang__ */ + +#include "generic.h" + +#undef AO_GCC_FORCE_HAVE_CAS +#undef AO_NO_char_ARITHM +#undef AO_NO_short_ARITHM diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/s390.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/s390.h new file mode 100644 index 0000000000..9b31da881c --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/s390.h @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +#if (AO_GNUC_PREREQ(5, 4) || AO_CLANG_PREREQ(8, 0)) && defined(__s390x__) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + /* Probably, it could be enabled for earlier clang/gcc versions. */ + /* But, e.g., clang-3.8.0 produces a backend error for AtomicFence. */ + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ + +/* The relevant documentation appears to be at */ +/* http://publibz.boulder.ibm.com/epubs/pdf/dz9zr003.pdf */ +/* around page 5-96. Apparently: */ +/* - Memory references in general are atomic only for a single */ +/* byte. But it appears that the most common load/store */ +/* instructions also guarantee atomicity for aligned */ +/* operands of standard types. WE FOOLISHLY ASSUME that */ +/* compilers only generate those. If that turns out to be */ +/* wrong, we need inline assembly code for AO_load and */ +/* AO_store. */ +/* - A store followed by a load is unordered since the store */ +/* may be delayed. Otherwise everything is ordered. */ +/* - There is a hardware compare-and-swap (CS) instruction. */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../ordered_except_wr.h" + +#include "../test_and_set_t_is_ao_t.h" +/* TODO: Is there a way to do byte-sized test-and-set? */ + +/* TODO: AO_nop_full should probably be implemented directly. */ +/* It appears that certain BCR instructions have that effect. */ +/* Presumably they're cheaper than CS? */ + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS +AO_INLINE int AO_compare_and_swap_full(volatile AO_t *addr, + AO_t old, AO_t new_val) +{ + int retval; + __asm__ __volatile__ ( +# ifndef __s390x__ + " cs %1,%2,0(%3)\n" +# else + " csg %1,%2,0(%3)\n" +# endif + " ipm %0\n" + " srl %0,28\n" + : "=&d" (retval), "+d" (old) + : "d" (new_val), "a" (addr) + : "cc", "memory"); + return retval == 0; +} +#define AO_HAVE_compare_and_swap_full +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, + AO_t old, AO_t new_val) +{ + __asm__ __volatile__ ( +# ifndef __s390x__ + " cs %0,%2,%1\n" +# else + " csg %0,%2,%1\n" +# endif + : "+d" (old), "=Q" (*addr) + : "d" (new_val), "m" (*addr) + : "cc", "memory"); + return old; +} +#define AO_HAVE_fetch_compare_and_swap_full + +#endif /* AO_DISABLE_GCC_ATOMICS */ + +/* TODO: Add double-wide operations for 32-bit executables. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sh.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sh.h new file mode 100644 index 0000000000..098fb8c70d --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sh.h @@ -0,0 +1,34 @@ +/* + * Copyright (c) 2009 by Takashi YOSHII. All rights reserved. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + */ + +#include "../all_atomic_load_store.h" +#include "../ordered.h" + +/* sh has tas.b(byte) only */ +#include "../test_and_set_t_is_char.h" + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) +{ + int oldval; + __asm__ __volatile__( + "tas.b @%1; movt %0" + : "=r" (oldval) + : "r" (addr) + : "t", "memory"); + return oldval? AO_TS_CLEAR : AO_TS_SET; +} +#define AO_HAVE_test_and_set_full + +/* TODO: Very incomplete. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sparc.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sparc.h new file mode 100644 index 0000000000..2dd28817f1 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/sparc.h @@ -0,0 +1,87 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + */ + +/* TODO: Very incomplete; Add support for sparc64. */ +/* Non-ancient SPARCs provide compare-and-swap (casa). */ + +#include "../all_atomic_load_store.h" + +/* Real SPARC code uses TSO: */ +#include "../ordered_except_wr.h" + +/* Test_and_set location is just a byte. */ +#include "../test_and_set_t_is_char.h" + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) { + AO_TS_VAL_t oldval; + + __asm__ __volatile__("ldstub %1,%0" + : "=r"(oldval), "=m"(*addr) + : "m"(*addr) : "memory"); + return oldval; +} +#define AO_HAVE_test_and_set_full + +#ifndef AO_NO_SPARC_V9 + +# ifndef AO_GENERALIZE_ASM_BOOL_CAS +/* Returns nonzero if the comparison succeeded. */ +AO_INLINE int +AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) { + AO_t ret; + __asm__ __volatile__ ("membar #StoreLoad | #LoadLoad\n\t" +# if defined(__arch64__) + "casx [%2],%0,%1\n\t" +# else + "cas [%2],%0,%1\n\t" /* 32-bit version */ +# endif + "membar #StoreLoad | #StoreStore\n\t" + "cmp %0,%1\n\t" + "be,a 0f\n\t" + "mov 1,%0\n\t"/* one insn after branch always executed */ + "clr %0\n\t" + "0:\n\t" + : "=r" (ret), "+r" (new_val) + : "r" (addr), "0" (old) + : "memory", "cc"); + return (int)ret; +} +# define AO_HAVE_compare_and_swap_full +# endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) { + __asm__ __volatile__ ("membar #StoreLoad | #LoadLoad\n\t" +# if defined(__arch64__) + "casx [%1],%2,%0\n\t" +# else + "cas [%1],%2,%0\n\t" /* 32-bit version */ +# endif + "membar #StoreLoad | #StoreStore\n\t" + : "+r" (new_val) + : "r" (addr), "r" (old) + : "memory"); + return new_val; +} +#define AO_HAVE_fetch_compare_and_swap_full + +#endif /* !AO_NO_SPARC_V9 */ + +/* TODO: Extend this for SPARC v8 and v9 (V8 also has swap, V9 has CAS, */ +/* there are barriers like membar #LoadStore, CASA (32-bit) and */ +/* CASXA (64-bit) instructions added in V9). */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/tile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/tile.h new file mode 100644 index 0000000000..e42be1e646 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/tile.h @@ -0,0 +1,48 @@ +/* + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + */ + +/* Minimal support for tile. */ + +#if (AO_GNUC_PREREQ(4, 8) || AO_CLANG_PREREQ(3, 4)) \ + && !defined(AO_DISABLE_GCC_ATOMICS) + +# include "generic.h" + +#else /* AO_DISABLE_GCC_ATOMICS */ + +# include "../all_atomic_load_store.h" + +# include "../test_and_set_t_is_ao_t.h" + + AO_INLINE void + AO_nop_full(void) + { + __sync_synchronize(); + } +# define AO_HAVE_nop_full + + AO_INLINE AO_t + AO_fetch_and_add_full(volatile AO_t *p, AO_t incr) + { + return __sync_fetch_and_add(p, incr); + } +# define AO_HAVE_fetch_and_add_full + + AO_INLINE AO_t + AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); + } +# define AO_HAVE_fetch_compare_and_swap_full + +#endif /* AO_DISABLE_GCC_ATOMICS */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/x86.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/x86.h new file mode 100644 index 0000000000..e34f6495b4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/gcc/x86.h @@ -0,0 +1,657 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * Copyright (c) 2008-2018 Ivan Maidanski + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + * Some of the machine specific code was borrowed from our GC distribution. + */ + +#if (AO_GNUC_PREREQ(4, 8) || AO_CLANG_PREREQ(3, 4)) \ + && !defined(__INTEL_COMPILER) /* TODO: test and enable icc */ \ + && !defined(AO_DISABLE_GCC_ATOMICS) +# define AO_GCC_ATOMIC_TEST_AND_SET + +# if defined(__APPLE_CC__) + /* OS X 10.7 clang-425 lacks __GCC_HAVE_SYNC_COMPARE_AND_SWAP_n */ + /* predefined macro (unlike e.g. OS X 10.11 clang-703). */ +# define AO_GCC_FORCE_HAVE_CAS + +# ifdef __x86_64__ +# if !AO_CLANG_PREREQ(9, 0) /* < Apple clang-900 */ + /* Older Apple clang (e.g., clang-600 based on LLVM 3.5svn) had */ + /* some bug in the double word CAS implementation for x64. */ +# define AO_SKIPATOMIC_double_compare_and_swap_ANY +# endif + +# elif defined(__MACH__) + /* OS X 10.8 lacks __atomic_load/store symbols for arch i386 */ + /* (even with a non-Apple clang). */ +# ifndef MAC_OS_X_VERSION_MIN_REQUIRED + /* Include this header just to import the version macro. */ +# include +# endif +# if MAC_OS_X_VERSION_MIN_REQUIRED < 1090 /* MAC_OS_X_VERSION_10_9 */ +# define AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# endif +# endif /* __i386__ */ + +# elif defined(__clang__) +# if !defined(__x86_64__) +# if !defined(AO_PREFER_BUILTIN_ATOMICS) && !defined(__CYGWIN__) \ + && !AO_CLANG_PREREQ(5, 0) + /* At least clang-3.8/i686 (from NDK r11c) required to specify */ + /* -latomic in case of a double-word atomic operation use. */ +# define AO_SKIPATOMIC_double_compare_and_swap_ANY +# define AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# endif /* !AO_PREFER_BUILTIN_ATOMICS */ + +# elif !defined(__ILP32__) +# if (!AO_CLANG_PREREQ(3, 5) && !defined(AO_PREFER_BUILTIN_ATOMICS)) \ + || (!AO_CLANG_PREREQ(4, 0) && defined(AO_ADDRESS_SANITIZER)) \ + || defined(AO_THREAD_SANITIZER) + /* clang-3.4/x64 required -latomic. clang-3.9/x64 seems to */ + /* pass double-wide arguments to atomic operations incorrectly */ + /* in case of ASan/TSan. */ + /* TODO: As of clang-4.0, lock-free test_stack fails if TSan. */ +# define AO_SKIPATOMIC_double_compare_and_swap_ANY +# define AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# endif +# endif /* __x86_64__ */ + +# elif AO_GNUC_PREREQ(7, 0) && !defined(AO_PREFER_BUILTIN_ATOMICS) \ + && !defined(AO_THREAD_SANITIZER) && !defined(__MINGW32__) + /* gcc-7.x/x64 (gcc-7.2, at least) requires -latomic flag in case */ + /* of double-word atomic operations use (but not in case of TSan). */ + /* TODO: Revise it for the future gcc-7 releases. */ +# define AO_SKIPATOMIC_double_compare_and_swap_ANY +# define AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# endif /* __GNUC__ && !__clang__ */ + +# ifdef AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# define AO_SKIPATOMIC_double_load +# define AO_SKIPATOMIC_double_load_acquire +# define AO_SKIPATOMIC_double_store +# define AO_SKIPATOMIC_double_store_release +# undef AO_SKIPATOMIC_DOUBLE_LOAD_STORE_ANY +# endif + +#else /* AO_DISABLE_GCC_ATOMICS */ + +/* The following really assume we have a 486 or better. Unfortunately */ +/* gcc doesn't define a suitable feature test macro based on command */ +/* line options. */ +/* We should perhaps test dynamically. */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_char.h" + +#if defined(__SSE2__) && !defined(AO_USE_PENTIUM4_INSTRS) + /* "mfence" is a part of SSE2 set (introduced on Intel Pentium 4). */ +# define AO_USE_PENTIUM4_INSTRS +#endif + +#if defined(AO_USE_PENTIUM4_INSTRS) + AO_INLINE void + AO_nop_full(void) + { + __asm__ __volatile__("mfence" : : : "memory"); + } +# define AO_HAVE_nop_full + +#else + /* We could use the cpuid instruction. But that seems to be slower */ + /* than the default implementation based on test_and_set_full. Thus */ + /* we omit that bit of misinformation here. */ +#endif /* !AO_USE_PENTIUM4_INSTRS */ + +/* As far as we can tell, the lfence and sfence instructions are not */ +/* currently needed or useful for cached memory accesses. */ + +/* Really only works for 486 and later */ +#ifndef AO_PREFER_GENERALIZED + AO_INLINE AO_t + AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) + { + AO_t result; + + __asm__ __volatile__ ("lock; xadd %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; + } +# define AO_HAVE_fetch_and_add_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE unsigned char +AO_char_fetch_and_add_full (volatile unsigned char *p, unsigned char incr) +{ + unsigned char result; + + __asm__ __volatile__ ("lock; xaddb %0, %1" + : "=q" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; +} +#define AO_HAVE_char_fetch_and_add_full + +AO_INLINE unsigned short +AO_short_fetch_and_add_full (volatile unsigned short *p, unsigned short incr) +{ + unsigned short result; + + __asm__ __volatile__ ("lock; xaddw %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; +} +#define AO_HAVE_short_fetch_and_add_full + +#ifndef AO_PREFER_GENERALIZED + AO_INLINE void + AO_and_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; and %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_and_full + + AO_INLINE void + AO_or_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; or %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_or_full + + AO_INLINE void + AO_xor_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; xor %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_xor_full + + /* AO_store_full could be implemented directly using "xchg" but it */ + /* could be generalized efficiently as an ordinary store accomplished */ + /* with AO_nop_full ("mfence" instruction). */ + +AO_INLINE void +AO_char_and_full (volatile unsigned char *p, unsigned char value) +{ + __asm__ __volatile__ ("lock; andb %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_char_and_full + +AO_INLINE void +AO_char_or_full (volatile unsigned char *p, unsigned char value) +{ + __asm__ __volatile__ ("lock; orb %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_char_or_full + +AO_INLINE void +AO_char_xor_full (volatile unsigned char *p, unsigned char value) +{ + __asm__ __volatile__ ("lock; xorb %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_char_xor_full + +AO_INLINE void +AO_short_and_full (volatile unsigned short *p, unsigned short value) +{ + __asm__ __volatile__ ("lock; andw %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_short_and_full + +AO_INLINE void +AO_short_or_full (volatile unsigned short *p, unsigned short value) +{ + __asm__ __volatile__ ("lock; orw %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_short_or_full + +AO_INLINE void +AO_short_xor_full (volatile unsigned short *p, unsigned short value) +{ + __asm__ __volatile__ ("lock; xorw %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); +} +#define AO_HAVE_short_xor_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) +{ + unsigned char oldval; + /* Note: the "xchg" instruction does not need a "lock" prefix */ + __asm__ __volatile__ ("xchgb %0, %1" + : "=q" (oldval), "+m" (*addr) + : "0" ((unsigned char)0xff) + : "memory"); + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set_full + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + /* Returns nonzero if the comparison succeeded. */ + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) + { +# ifdef AO_USE_SYNC_CAS_BUILTIN + return (int)__sync_bool_compare_and_swap(addr, old, new_val + /* empty protection list */); + /* Note: an empty list of variables protected by the */ + /* memory barrier should mean all globally accessible */ + /* variables are protected. */ +# else + char result; +# if defined(__GCC_ASM_FLAG_OUTPUTS__) + AO_t dummy; + + __asm__ __volatile__ ("lock; cmpxchg %3, %0" + : "+m" (*addr), "=@ccz" (result), "=a" (dummy) + : "r" (new_val), "a" (old) + : "memory"); +# else + __asm__ __volatile__ ("lock; cmpxchg %2, %0; setz %1" + : "+m" (*addr), "=a" (result) + : "r" (new_val), "a" (old) + : "memory"); +# endif + return (int)result; +# endif + } +# define AO_HAVE_compare_and_swap_full +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ +# ifdef AO_USE_SYNC_CAS_BUILTIN + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); +# else + AO_t fetched_val; + __asm__ __volatile__ ("lock; cmpxchg %3, %1" + : "=a" (fetched_val), "+m" (*addr) + : "a" (old_val), "r" (new_val) + : "memory"); + return fetched_val; +# endif +} +#define AO_HAVE_fetch_compare_and_swap_full + + AO_INLINE unsigned char + AO_char_fetch_compare_and_swap_full(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) + { +# ifdef AO_USE_SYNC_CAS_BUILTIN + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); +# else + unsigned char fetched_val; + + __asm__ __volatile__ ("lock; cmpxchgb %3, %1" + : "=a" (fetched_val), "+m" (*addr) + : "a" (old_val), "q" (new_val) + : "memory"); + return fetched_val; +# endif + } +# define AO_HAVE_char_fetch_compare_and_swap_full + + AO_INLINE unsigned short + AO_short_fetch_compare_and_swap_full(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) + { +# ifdef AO_USE_SYNC_CAS_BUILTIN + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); +# else + unsigned short fetched_val; + + __asm__ __volatile__ ("lock; cmpxchgw %3, %1" + : "=a" (fetched_val), "+m" (*addr) + : "a" (old_val), "r" (new_val) + : "memory"); + return fetched_val; +# endif + } +# define AO_HAVE_short_fetch_compare_and_swap_full + +# if defined(__x86_64__) && !defined(__ILP32__) + AO_INLINE unsigned int + AO_int_fetch_compare_and_swap_full(volatile unsigned int *addr, + unsigned int old_val, + unsigned int new_val) + { +# ifdef AO_USE_SYNC_CAS_BUILTIN + return __sync_val_compare_and_swap(addr, old_val, new_val + /* empty protection list */); +# else + unsigned int fetched_val; + + __asm__ __volatile__ ("lock; cmpxchgl %3, %1" + : "=a" (fetched_val), "+m" (*addr) + : "a" (old_val), "r" (new_val) + : "memory"); + return fetched_val; +# endif + } +# define AO_HAVE_int_fetch_compare_and_swap_full + +# ifndef AO_PREFER_GENERALIZED + AO_INLINE unsigned int + AO_int_fetch_and_add_full (volatile unsigned int *p, unsigned int incr) + { + unsigned int result; + + __asm__ __volatile__ ("lock; xaddl %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_add_full + + AO_INLINE void + AO_int_and_full (volatile unsigned int *p, unsigned int value) + { + __asm__ __volatile__ ("lock; andl %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_int_and_full + + AO_INLINE void + AO_int_or_full (volatile unsigned int *p, unsigned int value) + { + __asm__ __volatile__ ("lock; orl %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_int_or_full + + AO_INLINE void + AO_int_xor_full (volatile unsigned int *p, unsigned int value) + { + __asm__ __volatile__ ("lock; xorl %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_int_xor_full +# endif /* !AO_PREFER_GENERALIZED */ + +# else +# define AO_T_IS_INT +# endif /* !x86_64 || ILP32 */ + + /* Real X86 implementations, except for some old 32-bit WinChips, */ + /* appear to enforce ordering between memory operations, EXCEPT that */ + /* a later read can pass earlier writes, presumably due to the */ + /* visible presence of store buffers. */ + /* We ignore both the WinChips and the fact that the official specs */ + /* seem to be much weaker (and arguably too weak to be usable). */ +# include "../ordered_except_wr.h" + +#endif /* AO_DISABLE_GCC_ATOMICS */ + +#if defined(AO_GCC_ATOMIC_TEST_AND_SET) \ + && !defined(AO_SKIPATOMIC_double_compare_and_swap_ANY) + +# if defined(__ILP32__) || !defined(__x86_64__) /* 32-bit AO_t */ \ + || defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) /* 64-bit AO_t */ +# include "../standard_ao_double_t.h" +# endif + +#elif !defined(__x86_64__) && (!defined(AO_USE_SYNC_CAS_BUILTIN) \ + || defined(AO_GCC_ATOMIC_TEST_AND_SET)) +# include "../standard_ao_double_t.h" + + /* Reading or writing a quadword aligned on a 64-bit boundary is */ + /* always carried out atomically on at least a Pentium according to */ + /* Chapter 8.1.1 of Volume 3A Part 1 of Intel processor manuals. */ +# ifndef AO_PREFER_GENERALIZED +# define AO_ACCESS_double_CHECK_ALIGNED +# include "../loadstore/double_atomic_load_store.h" +# endif + + /* Returns nonzero if the comparison succeeded. */ + /* Really requires at least a Pentium. */ + AO_INLINE int + AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + char result; +# if defined(__PIC__) && !(AO_GNUC_PREREQ(5, 1) || AO_CLANG_PREREQ(4, 0)) + AO_t saved_ebx; + AO_t dummy; + + /* The following applies to an ancient GCC (and, probably, it was */ + /* never needed for Clang): */ + /* If PIC is turned on, we cannot use ebx as it is reserved for the */ + /* GOT pointer. We should save and restore ebx. The proposed */ + /* solution is not so efficient as the older alternatives using */ + /* push ebx or edi as new_val1 (w/o clobbering edi and temporary */ + /* local variable usage) but it is more portable (it works even if */ + /* ebx is not used as GOT pointer, and it works for the buggy GCC */ + /* releases that incorrectly evaluate memory operands offset in the */ + /* inline assembly after push). */ +# ifdef __OPTIMIZE__ + __asm__ __volatile__("mov %%ebx, %2\n\t" /* save ebx */ + "lea %0, %%edi\n\t" /* in case addr is in ebx */ + "mov %7, %%ebx\n\t" /* load new_val1 */ + "lock; cmpxchg8b (%%edi)\n\t" + "mov %2, %%ebx\n\t" /* restore ebx */ + "setz %1" + : "+m" (*addr), "=a" (result), + "=m" (saved_ebx), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "m" (new_val1) + : "%edi", "memory"); +# else + /* A less-efficient code manually preserving edi if GCC invoked */ + /* with -O0 option (otherwise it fails while finding a register */ + /* in class 'GENERAL_REGS'). */ + AO_t saved_edi; + __asm__ __volatile__("mov %%edi, %3\n\t" /* save edi */ + "mov %%ebx, %2\n\t" /* save ebx */ + "lea %0, %%edi\n\t" /* in case addr is in ebx */ + "mov %8, %%ebx\n\t" /* load new_val1 */ + "lock; cmpxchg8b (%%edi)\n\t" + "mov %2, %%ebx\n\t" /* restore ebx */ + "mov %3, %%edi\n\t" /* restore edi */ + "setz %1" + : "+m" (*addr), "=a" (result), + "=m" (saved_ebx), "=m" (saved_edi), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "m" (new_val1) + : "memory"); +# endif +# else + /* For non-PIC mode, this operation could be simplified (and be */ + /* faster) by using ebx as new_val1. Reuse of the PIC hard */ + /* register, instead of using a fixed register, is implemented */ + /* in Clang and GCC 5.1+, at least. (Older GCC refused to compile */ + /* such code for PIC mode). */ +# if defined(__GCC_ASM_FLAG_OUTPUTS__) + __asm__ __volatile__ ("lock; cmpxchg8b %0" + : "+m" (*addr), "=@ccz" (result), + "+d" (old_val2), "+a" (old_val1) + : "c" (new_val2), "b" (new_val1) + : "memory"); +# else + AO_t dummy; /* an output for clobbered edx */ + + __asm__ __volatile__ ("lock; cmpxchg8b %0; setz %1" + : "+m" (*addr), "=a" (result), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "b" (new_val1) + : "memory"); +# endif +# endif + return (int) result; + } +# define AO_HAVE_compare_double_and_swap_double_full + +#elif defined(__ILP32__) || !defined(__x86_64__) +# include "../standard_ao_double_t.h" + + /* Reading or writing a quadword aligned on a 64-bit boundary is */ + /* always carried out atomically (requires at least a Pentium). */ +# ifndef AO_PREFER_GENERALIZED +# define AO_ACCESS_double_CHECK_ALIGNED +# include "../loadstore/double_atomic_load_store.h" +# endif + + /* X32 has native support for 64-bit integer operations (AO_double_t */ + /* is a 64-bit integer and we could use 64-bit cmpxchg). */ + /* This primitive is used by compare_double_and_swap_double_full. */ + AO_INLINE int + AO_double_compare_and_swap_full(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + /* It is safe to use __sync CAS built-in here. */ + return __sync_bool_compare_and_swap(&addr->AO_whole, + old_val.AO_whole, new_val.AO_whole + /* empty protection list */); + } +# define AO_HAVE_double_compare_and_swap_full + +#elif defined(AO_CMPXCHG16B_AVAILABLE) \ + || (defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16) \ + && !defined(AO_THREAD_SANITIZER)) +# include "../standard_ao_double_t.h" + + /* The Intel and AMD Architecture Programmer Manuals state roughly */ + /* the following: */ + /* - CMPXCHG16B (with a LOCK prefix) can be used to perform 16-byte */ + /* atomic accesses in 64-bit mode (with certain alignment */ + /* restrictions); */ + /* - SSE instructions that access data larger than a quadword (like */ + /* MOVDQA) may be implemented using multiple memory accesses; */ + /* - LOCK prefix causes an invalid-opcode exception when used with */ + /* 128-bit media (SSE) instructions. */ + /* Thus, currently, the only way to implement lock-free double_load */ + /* and double_store on x86_64 is to use CMPXCHG16B (if available). */ + + /* NEC LE-IT: older AMD Opterons are missing this instruction. */ + /* On these machines SIGILL will be thrown. */ + /* Define AO_WEAK_DOUBLE_CAS_EMULATION to have an emulated (lock */ + /* based) version available. */ + /* HB: Changed this to not define either by default. There are */ + /* enough machines and tool chains around on which cmpxchg16b */ + /* doesn't work. And the emulation is unsafe by our usual rules. */ + /* However both are clearly useful in certain cases. */ + + AO_INLINE int + AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + char result; + +# if defined(__GCC_ASM_FLAG_OUTPUTS__) + __asm__ __volatile__("lock; cmpxchg16b %0" + : "+m" (*addr), "=@ccz" (result), + "+d" (old_val2), "+a" (old_val1) + : "c" (new_val2), "b" (new_val1) + : "memory"); +# else + AO_t dummy; /* an output for clobbered rdx */ + + __asm__ __volatile__("lock; cmpxchg16b %0; setz %1" + : "+m" (*addr), "=a" (result), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "b" (new_val1) + : "memory"); +# endif + return (int) result; + } +# define AO_HAVE_compare_double_and_swap_double_full + +#elif defined(AO_WEAK_DOUBLE_CAS_EMULATION) +# include "../standard_ao_double_t.h" + +# ifdef __cplusplus + extern "C" { +# endif + + /* This one provides spinlock based emulation of CAS implemented in */ + /* atomic_ops.c. We probably do not want to do this here, since it */ + /* is not atomic with respect to other kinds of updates of *addr. */ + /* On the other hand, this may be a useful facility on occasion. */ + int AO_compare_double_and_swap_double_emulation( + volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2); + +# ifdef __cplusplus + } /* extern "C" */ +# endif + + AO_INLINE int + AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + return AO_compare_double_and_swap_double_emulation(addr, + old_val1, old_val2, new_val1, new_val2); + } +# define AO_HAVE_compare_double_and_swap_double_full +#endif /* x86_64 && !ILP32 && CAS_EMULATION && !AO_CMPXCHG16B_AVAILABLE */ + +#ifdef AO_GCC_ATOMIC_TEST_AND_SET +# include "generic.h" +#endif + +#undef AO_GCC_FORCE_HAVE_CAS +#undef AO_SKIPATOMIC_double_compare_and_swap_ANY +#undef AO_SKIPATOMIC_double_load +#undef AO_SKIPATOMIC_double_load_acquire +#undef AO_SKIPATOMIC_double_store +#undef AO_SKIPATOMIC_double_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/generic_pthread.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/generic_pthread.h new file mode 100644 index 0000000000..854cb7753f --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/generic_pthread.h @@ -0,0 +1,442 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* The following is useful primarily for debugging and documentation. */ +/* We define various atomic operations by acquiring a global pthread */ +/* lock. The resulting implementation will perform poorly, but should */ +/* be correct unless it is used from signal handlers. */ +/* We assume that all pthread operations act like full memory barriers. */ +/* (We believe that is the intent of the specification.) */ + +#include + +#include "test_and_set_t_is_ao_t.h" + /* This is not necessarily compatible with the native */ + /* implementation. But those can't be safely mixed anyway. */ + +#ifdef __cplusplus + extern "C" { +#endif + +/* We define only the full barrier variants, and count on the */ +/* generalization section below to fill in the rest. */ +extern pthread_mutex_t AO_pt_lock; + +#ifdef __cplusplus + } /* extern "C" */ +#endif + +AO_INLINE void +AO_nop_full(void) +{ + pthread_mutex_lock(&AO_pt_lock); + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_nop_full + +AO_INLINE AO_t +AO_load_full(const volatile AO_t *addr) +{ + AO_t result; + pthread_mutex_lock(&AO_pt_lock); + result = *addr; + pthread_mutex_unlock(&AO_pt_lock); + return result; +} +#define AO_HAVE_load_full + +AO_INLINE void +AO_store_full(volatile AO_t *addr, AO_t val) +{ + pthread_mutex_lock(&AO_pt_lock); + *addr = val; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_store_full + +AO_INLINE unsigned char +AO_char_load_full(const volatile unsigned char *addr) +{ + unsigned char result; + pthread_mutex_lock(&AO_pt_lock); + result = *addr; + pthread_mutex_unlock(&AO_pt_lock); + return result; +} +#define AO_HAVE_char_load_full + +AO_INLINE void +AO_char_store_full(volatile unsigned char *addr, unsigned char val) +{ + pthread_mutex_lock(&AO_pt_lock); + *addr = val; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_char_store_full + +AO_INLINE unsigned short +AO_short_load_full(const volatile unsigned short *addr) +{ + unsigned short result; + pthread_mutex_lock(&AO_pt_lock); + result = *addr; + pthread_mutex_unlock(&AO_pt_lock); + return result; +} +#define AO_HAVE_short_load_full + +AO_INLINE void +AO_short_store_full(volatile unsigned short *addr, unsigned short val) +{ + pthread_mutex_lock(&AO_pt_lock); + *addr = val; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_short_store_full + +AO_INLINE unsigned int +AO_int_load_full(const volatile unsigned int *addr) +{ + unsigned int result; + pthread_mutex_lock(&AO_pt_lock); + result = *addr; + pthread_mutex_unlock(&AO_pt_lock); + return result; +} +#define AO_HAVE_int_load_full + +AO_INLINE void +AO_int_store_full(volatile unsigned int *addr, unsigned int val) +{ + pthread_mutex_lock(&AO_pt_lock); + *addr = val; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_int_store_full + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) +{ + AO_TS_VAL_t result; + pthread_mutex_lock(&AO_pt_lock); + result = (AO_TS_VAL_t)(*addr); + *addr = AO_TS_SET; + pthread_mutex_unlock(&AO_pt_lock); + assert(result == AO_TS_SET || result == AO_TS_CLEAR); + return result; +} +#define AO_HAVE_test_and_set_full + +AO_INLINE AO_t +AO_fetch_and_add_full(volatile AO_t *p, AO_t incr) +{ + AO_t old_val; + + pthread_mutex_lock(&AO_pt_lock); + old_val = *p; + *p = old_val + incr; + pthread_mutex_unlock(&AO_pt_lock); + return old_val; +} +#define AO_HAVE_fetch_and_add_full + +AO_INLINE unsigned char +AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) +{ + unsigned char old_val; + + pthread_mutex_lock(&AO_pt_lock); + old_val = *p; + *p = old_val + incr; + pthread_mutex_unlock(&AO_pt_lock); + return old_val; +} +#define AO_HAVE_char_fetch_and_add_full + +AO_INLINE unsigned short +AO_short_fetch_and_add_full(volatile unsigned short *p, unsigned short incr) +{ + unsigned short old_val; + + pthread_mutex_lock(&AO_pt_lock); + old_val = *p; + *p = old_val + incr; + pthread_mutex_unlock(&AO_pt_lock); + return old_val; +} +#define AO_HAVE_short_fetch_and_add_full + +AO_INLINE unsigned int +AO_int_fetch_and_add_full(volatile unsigned int *p, unsigned int incr) +{ + unsigned int old_val; + + pthread_mutex_lock(&AO_pt_lock); + old_val = *p; + *p = old_val + incr; + pthread_mutex_unlock(&AO_pt_lock); + return old_val; +} +#define AO_HAVE_int_fetch_and_add_full + +AO_INLINE void +AO_and_full(volatile AO_t *p, AO_t value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p &= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_and_full + +AO_INLINE void +AO_or_full(volatile AO_t *p, AO_t value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p |= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_or_full + +AO_INLINE void +AO_xor_full(volatile AO_t *p, AO_t value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p ^= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_xor_full + +AO_INLINE void +AO_char_and_full(volatile unsigned char *p, unsigned char value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p &= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_char_and_full + +AO_INLINE void +AO_char_or_full(volatile unsigned char *p, unsigned char value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p |= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_char_or_full + +AO_INLINE void +AO_char_xor_full(volatile unsigned char *p, unsigned char value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p ^= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_char_xor_full + +AO_INLINE void +AO_short_and_full(volatile unsigned short *p, unsigned short value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p &= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_short_and_full + +AO_INLINE void +AO_short_or_full(volatile unsigned short *p, unsigned short value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p |= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_short_or_full + +AO_INLINE void +AO_short_xor_full(volatile unsigned short *p, unsigned short value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p ^= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_short_xor_full + +AO_INLINE void +AO_int_and_full(volatile unsigned *p, unsigned value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p &= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_int_and_full + +AO_INLINE void +AO_int_or_full(volatile unsigned *p, unsigned value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p |= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_int_or_full + +AO_INLINE void +AO_int_xor_full(volatile unsigned *p, unsigned value) +{ + pthread_mutex_lock(&AO_pt_lock); + *p ^= value; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_int_xor_full + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t fetched_val; + + pthread_mutex_lock(&AO_pt_lock); + fetched_val = *addr; + if (fetched_val == old_val) + *addr = new_val; + pthread_mutex_unlock(&AO_pt_lock); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap_full + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_full(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) +{ + unsigned char fetched_val; + + pthread_mutex_lock(&AO_pt_lock); + fetched_val = *addr; + if (fetched_val == old_val) + *addr = new_val; + pthread_mutex_unlock(&AO_pt_lock); + return fetched_val; +} +#define AO_HAVE_char_fetch_compare_and_swap_full + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_full(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) +{ + unsigned short fetched_val; + + pthread_mutex_lock(&AO_pt_lock); + fetched_val = *addr; + if (fetched_val == old_val) + *addr = new_val; + pthread_mutex_unlock(&AO_pt_lock); + return fetched_val; +} +#define AO_HAVE_short_fetch_compare_and_swap_full + +AO_INLINE unsigned +AO_int_fetch_compare_and_swap_full(volatile unsigned *addr, unsigned old_val, + unsigned new_val) +{ + unsigned fetched_val; + + pthread_mutex_lock(&AO_pt_lock); + fetched_val = *addr; + if (fetched_val == old_val) + *addr = new_val; + pthread_mutex_unlock(&AO_pt_lock); + return fetched_val; +} +#define AO_HAVE_int_fetch_compare_and_swap_full + +/* Unlike real architectures, we define both double-width CAS variants. */ + +typedef struct { + AO_t AO_val1; + AO_t AO_val2; +} AO_double_t; +#define AO_HAVE_double_t + +#define AO_DOUBLE_T_INITIALIZER { (AO_t)0, (AO_t)0 } + +AO_INLINE AO_double_t +AO_double_load_full(const volatile AO_double_t *addr) +{ + AO_double_t result; + + pthread_mutex_lock(&AO_pt_lock); + result.AO_val1 = addr->AO_val1; + result.AO_val2 = addr->AO_val2; + pthread_mutex_unlock(&AO_pt_lock); + return result; +} +#define AO_HAVE_double_load_full + +AO_INLINE void +AO_double_store_full(volatile AO_double_t *addr, AO_double_t value) +{ + pthread_mutex_lock(&AO_pt_lock); + addr->AO_val1 = value.AO_val1; + addr->AO_val2 = value.AO_val2; + pthread_mutex_unlock(&AO_pt_lock); +} +#define AO_HAVE_double_store_full + +AO_INLINE int +AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old1, AO_t old2, + AO_t new1, AO_t new2) +{ + pthread_mutex_lock(&AO_pt_lock); + if (addr -> AO_val1 == old1 && addr -> AO_val2 == old2) + { + addr -> AO_val1 = new1; + addr -> AO_val2 = new2; + pthread_mutex_unlock(&AO_pt_lock); + return 1; + } + else + pthread_mutex_unlock(&AO_pt_lock); + return 0; +} +#define AO_HAVE_compare_double_and_swap_double_full + +AO_INLINE int +AO_compare_and_swap_double_full(volatile AO_double_t *addr, + AO_t old1, AO_t new1, AO_t new2) +{ + pthread_mutex_lock(&AO_pt_lock); + if (addr -> AO_val1 == old1) + { + addr -> AO_val1 = new1; + addr -> AO_val2 = new2; + pthread_mutex_unlock(&AO_pt_lock); + return 1; + } + else + pthread_mutex_unlock(&AO_pt_lock); + return 0; +} +#define AO_HAVE_compare_and_swap_double_full + +/* We can't use hardware loads and stores, since they don't */ +/* interact correctly with atomic updates. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/hppa.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/hppa.h new file mode 100644 index 0000000000..f0da9480d7 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/hppa.h @@ -0,0 +1,104 @@ +/* + * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Derived from the corresponding header file for gcc. + */ + +#include "../loadstore/atomic_load.h" +#include "../loadstore/atomic_store.h" + +/* Some architecture set descriptions include special "ordered" memory */ +/* operations. As far as we can tell, no existing processors actually */ +/* require those. Nor does it appear likely that future processors */ +/* will. */ +/* FIXME: The PA emulator on Itanium may obey weaker restrictions. */ +/* There should be a mode in which we don't assume sequential */ +/* consistency here. */ +#include "../ordered.h" + +#include + +/* GCC will not guarantee the alignment we need, use four lock words */ +/* and select the correctly aligned datum. See the glibc 2.3.2 */ +/* linuxthread port for the original implementation. */ +struct AO_pa_clearable_loc { + int data[4]; +}; + +#undef AO_TS_INITIALIZER +#define AO_TS_t struct AO_pa_clearable_loc +#define AO_TS_INITIALIZER {1,1,1,1} +/* Switch meaning of set and clear, since we only have an atomic clear */ +/* instruction. */ +typedef enum {AO_PA_TS_set = 0, AO_PA_TS_clear = 1} AO_PA_TS_val; +#define AO_TS_VAL_t AO_PA_TS_val +#define AO_TS_CLEAR AO_PA_TS_clear +#define AO_TS_SET AO_PA_TS_set + +/* The hppa only has one atomic read and modify memory operation, */ +/* load and clear, so hppa spinlocks must use zero to signify that */ +/* someone is holding the lock. The address used for the ldcw */ +/* semaphore must be 16-byte aligned. */ +#define AO_ldcw(a, ret) \ + _LDCWX(0 /* index */, 0 /* s */, a /* base */, ret) + +/* Because malloc only guarantees 8-byte alignment for malloc'd data, */ +/* and GCC only guarantees 8-byte alignment for stack locals, we can't */ +/* be assured of 16-byte alignment for atomic lock data even if we */ +/* specify "__attribute ((aligned(16)))" in the type declaration. So, */ +/* we use a struct containing an array of four ints for the atomic lock */ +/* type and dynamically select the 16-byte aligned int from the array */ +/* for the semaphore. */ +#define AO_PA_LDCW_ALIGNMENT 16 +#define AO_ldcw_align(addr) \ + ((volatile unsigned *)(((unsigned long)(addr) \ + + (AO_PA_LDCW_ALIGNMENT - 1)) \ + & ~(AO_PA_LDCW_ALIGNMENT - 1))) + +/* Works on PA 1.1 and PA 2.0 systems */ +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t * addr) +{ + register unsigned int ret; + register unsigned long a = (unsigned long)AO_ldcw_align(addr); + +# if defined(CPPCHECK) + ret = 0; /* to void 'uninitialized variable' warning */ +# endif + AO_ldcw(a, ret); + return (AO_TS_VAL_t)ret; +} +#define AO_HAVE_test_and_set_full + +AO_INLINE void +AO_pa_clear(volatile AO_TS_t * addr) +{ + volatile unsigned *a = AO_ldcw_align(addr); + + AO_compiler_barrier(); + *a = 1; +} +#define AO_CLEAR(addr) AO_pa_clear(addr) +#define AO_HAVE_CLEAR + +#undef AO_PA_LDCW_ALIGNMENT +#undef AO_ldcw +#undef AO_ldcw_align diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/ia64.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/ia64.h new file mode 100644 index 0000000000..061e55b3e9 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/hpc/ia64.h @@ -0,0 +1,153 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * This file specifies Itanimum primitives for use with the HP compiler + * under HP/UX. We use intrinsics instead of the inline assembly code in the + * gcc file. + */ + +#include "../all_atomic_load_store.h" + +#include "../all_acquire_release_volatile.h" + +#include "../test_and_set_t_is_char.h" + +#include + +#ifdef __LP64__ +# define AO_T_FASIZE _FASZ_D +# define AO_T_SIZE _SZ_D +#else +# define AO_T_FASIZE _FASZ_W +# define AO_T_SIZE _SZ_W +#endif + +AO_INLINE void +AO_nop_full(void) +{ + _Asm_mf(); +} +#define AO_HAVE_nop_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add1_acquire (volatile AO_t *p) +{ + return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, 1, + _LDHINT_NONE, _DOWN_MEM_FENCE); +} +#define AO_HAVE_fetch_and_add1_acquire + +AO_INLINE AO_t +AO_fetch_and_add1_release (volatile AO_t *p) +{ + return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, 1, + _LDHINT_NONE, _UP_MEM_FENCE); +} +#define AO_HAVE_fetch_and_add1_release + +AO_INLINE AO_t +AO_fetch_and_sub1_acquire (volatile AO_t *p) +{ + return _Asm_fetchadd(AO_T_FASIZE, _SEM_ACQ, p, -1, + _LDHINT_NONE, _DOWN_MEM_FENCE); +} +#define AO_HAVE_fetch_and_sub1_acquire + +AO_INLINE AO_t +AO_fetch_and_sub1_release (volatile AO_t *p) +{ + return _Asm_fetchadd(AO_T_FASIZE, _SEM_REL, p, -1, + _LDHINT_NONE, _UP_MEM_FENCE); +} +#define AO_HAVE_fetch_and_sub1_release +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE); + return _Asm_cmpxchg(AO_T_SIZE, _SEM_ACQ, addr, + new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); +} +#define AO_HAVE_fetch_compare_and_swap_acquire + +AO_INLINE AO_t +AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE); + return _Asm_cmpxchg(AO_T_SIZE, _SEM_REL, addr, + new_val, _LDHINT_NONE, _UP_MEM_FENCE); +} +#define AO_HAVE_fetch_compare_and_swap_release + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_acquire(volatile unsigned char *addr, + unsigned char old_val, unsigned char new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE); + return _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr, + new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); +} +#define AO_HAVE_char_fetch_compare_and_swap_acquire + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_release(volatile unsigned char *addr, + unsigned char old_val, unsigned char new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE); + return _Asm_cmpxchg(_SZ_B, _SEM_REL, addr, + new_val, _LDHINT_NONE, _UP_MEM_FENCE); +} +#define AO_HAVE_char_fetch_compare_and_swap_release + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_acquire(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _DOWN_MEM_FENCE); + return _Asm_cmpxchg(_SZ_B, _SEM_ACQ, addr, + new_val, _LDHINT_NONE, _DOWN_MEM_FENCE); +} +#define AO_HAVE_short_fetch_compare_and_swap_acquire + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_release(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) +{ + _Asm_mov_to_ar(_AREG_CCV, old_val, _UP_MEM_FENCE); + return _Asm_cmpxchg(_SZ_B, _SEM_REL, addr, + new_val, _LDHINT_NONE, _UP_MEM_FENCE); +} +#define AO_HAVE_short_fetch_compare_and_swap_release + +#ifndef __LP64__ +# define AO_T_IS_INT +#endif + +#undef AO_T_FASIZE +#undef AO_T_SIZE diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/ibmc/powerpc.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ibmc/powerpc.h new file mode 100644 index 0000000000..a930b16794 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ibmc/powerpc.h @@ -0,0 +1,183 @@ + +/* Memory model documented at http://www-106.ibm.com/developerworks/ */ +/* eserver/articles/archguide.html and (clearer) */ +/* http://www-106.ibm.com/developerworks/eserver/articles/powerpc.html. */ +/* There appears to be no implicit ordering between any kind of */ +/* independent memory references. */ +/* Architecture enforces some ordering based on control dependence. */ +/* I don't know if that could help. */ +/* Data-dependent loads are always ordered. */ +/* Based on the above references, eieio is intended for use on */ +/* uncached memory, which we don't support. It does not order loads */ +/* from cached memory. */ +/* Thanks to Maged Michael, Doug Lea, and Roger Hoover for helping to */ +/* track some of this down and correcting my misunderstandings. -HB */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_ao_t.h" + +void AO_sync(void); +#pragma mc_func AO_sync { "7c0004ac" } + +#ifdef __NO_LWSYNC__ +# define AO_lwsync AO_sync +#else + void AO_lwsync(void); +#pragma mc_func AO_lwsync { "7c2004ac" } +#endif + +#define AO_nop_write() AO_lwsync() +#define AO_HAVE_nop_write + +#define AO_nop_read() AO_lwsync() +#define AO_HAVE_nop_read + +/* We explicitly specify load_acquire and store_release, since these */ +/* rely on the fact that lwsync is also a LoadStore barrier. */ +AO_INLINE AO_t +AO_load_acquire(const volatile AO_t *addr) +{ + AO_t result = *addr; + AO_lwsync(); + return result; +} +#define AO_HAVE_load_acquire + +AO_INLINE void +AO_store_release(volatile AO_t *addr, AO_t value) +{ + AO_lwsync(); + *addr = value; +} +#define AO_HAVE_store_release + +#ifndef AO_PREFER_GENERALIZED +/* This is similar to the code in the garbage collector. Deleting */ +/* this and having it synthesized from compare_and_swap would probably */ +/* only cost us a load immediate instruction. */ +AO_INLINE AO_TS_VAL_t +AO_test_and_set(volatile AO_TS_t *addr) { +#if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) +/* Completely untested. And we should be using smaller objects anyway. */ + unsigned long oldval; + unsigned long temp = 1; /* locked value */ + + __asm__ __volatile__( + "1:ldarx %0,0,%1\n" /* load and reserve */ + "cmpdi %0, 0\n" /* if load is */ + "bne 2f\n" /* non-zero, return already set */ + "stdcx. %2,0,%1\n" /* else store conditional */ + "bne- 1b\n" /* retry if lost reservation */ + "2:\n" /* oldval is zero if we set */ + : "=&r"(oldval) + : "r"(addr), "r"(temp) + : "memory", "cr0"); +#else + int oldval; + int temp = 1; /* locked value */ + + __asm__ __volatile__( + "1:lwarx %0,0,%1\n" /* load and reserve */ + "cmpwi %0, 0\n" /* if load is */ + "bne 2f\n" /* non-zero, return already set */ + "stwcx. %2,0,%1\n" /* else store conditional */ + "bne- 1b\n" /* retry if lost reservation */ + "2:\n" /* oldval is zero if we set */ + : "=&r"(oldval) + : "r"(addr), "r"(temp) + : "memory", "cr0"); +#endif + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_acquire(volatile AO_TS_t *addr) { + AO_TS_VAL_t result = AO_test_and_set(addr); + AO_lwsync(); + return result; +} +#define AO_HAVE_test_and_set_acquire + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_release(volatile AO_TS_t *addr) { + AO_lwsync(); + return AO_test_and_set(addr); +} +#define AO_HAVE_test_and_set_release + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) { + AO_TS_VAL_t result; + AO_lwsync(); + result = AO_test_and_set(addr); + AO_lwsync(); + return result; +} +#define AO_HAVE_test_and_set_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap(volatile AO_t *addr, AO_t old_val, AO_t new_val) +{ + AO_t fetched_val; +# if defined(__powerpc64__) || defined(__ppc64__) || defined(__64BIT__) + __asm__ __volatile__( + "1:ldarx %0,0,%1\n" /* load and reserve */ + "cmpd %0, %3\n" /* if load is not equal to */ + "bne 2f\n" /* old_val, fail */ + "stdcx. %2,0,%1\n" /* else store conditional */ + "bne- 1b\n" /* retry if lost reservation */ + "2:\n" + : "=&r"(fetched_val) + : "r"(addr), "r"(new_val), "r"(old_val) + : "memory", "cr0"); +# else + __asm__ __volatile__( + "1:lwarx %0,0,%1\n" /* load and reserve */ + "cmpw %0, %3\n" /* if load is not equal to */ + "bne 2f\n" /* old_val, fail */ + "stwcx. %2,0,%1\n" /* else store conditional */ + "bne- 1b\n" /* retry if lost reservation */ + "2:\n" + : "=&r"(fetched_val) + : "r"(addr), "r"(new_val), "r"(old_val) + : "memory", "cr0"); +# endif + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap + +AO_INLINE AO_t +AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t result = AO_fetch_compare_and_swap(addr, old_val, new_val); + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_compare_and_swap_acquire + +AO_INLINE AO_t +AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_lwsync(); + return AO_fetch_compare_and_swap(addr, old_val, new_val); +} +#define AO_HAVE_fetch_compare_and_swap_release + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t result; + AO_lwsync(); + result = AO_fetch_compare_and_swap(addr, old_val, new_val); + AO_lwsync(); + return result; +} +#define AO_HAVE_fetch_compare_and_swap_full + +/* TODO: Implement AO_fetch_and_add, AO_and/or/xor directly. */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/icc/ia64.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/icc/ia64.h new file mode 100644 index 0000000000..6654209dd4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/icc/ia64.h @@ -0,0 +1,207 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * This file specifies Itanimum primitives for use with the Intel (ecc) + * compiler. We use intrinsics instead of the inline assembly code in the + * gcc file. + */ + +#include "../all_atomic_load_store.h" + +#include "../test_and_set_t_is_char.h" + +#include + +/* The acquire release semantics of volatile can be turned off. And volatile */ +/* operations in icc9 don't imply ordering with respect to other nonvolatile */ +/* operations. */ + +#define AO_INTEL_PTR_t void * + +AO_INLINE AO_t +AO_load_acquire(const volatile AO_t *p) +{ + return (AO_t)(__ld8_acq((AO_INTEL_PTR_t)p)); +} +#define AO_HAVE_load_acquire + +AO_INLINE void +AO_store_release(volatile AO_t *p, AO_t val) +{ + __st8_rel((AO_INTEL_PTR_t)p, (__int64)val); +} +#define AO_HAVE_store_release + +AO_INLINE unsigned char +AO_char_load_acquire(const volatile unsigned char *p) +{ + /* A normal volatile load generates an ld.acq */ + return (__ld1_acq((AO_INTEL_PTR_t)p)); +} +#define AO_HAVE_char_load_acquire + +AO_INLINE void +AO_char_store_release(volatile unsigned char *p, unsigned char val) +{ + __st1_rel((AO_INTEL_PTR_t)p, val); +} +#define AO_HAVE_char_store_release + +AO_INLINE unsigned short +AO_short_load_acquire(const volatile unsigned short *p) +{ + /* A normal volatile load generates an ld.acq */ + return (__ld2_acq((AO_INTEL_PTR_t)p)); +} +#define AO_HAVE_short_load_acquire + +AO_INLINE void +AO_short_store_release(volatile unsigned short *p, unsigned short val) +{ + __st2_rel((AO_INTEL_PTR_t)p, val); +} +#define AO_HAVE_short_store_release + +AO_INLINE unsigned int +AO_int_load_acquire(const volatile unsigned int *p) +{ + /* A normal volatile load generates an ld.acq */ + return (__ld4_acq((AO_INTEL_PTR_t)p)); +} +#define AO_HAVE_int_load_acquire + +AO_INLINE void +AO_int_store_release(volatile unsigned int *p, unsigned int val) +{ + __st4_rel((AO_INTEL_PTR_t)p, val); +} +#define AO_HAVE_int_store_release + +AO_INLINE void +AO_nop_full(void) +{ + __mf(); +} +#define AO_HAVE_nop_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE AO_t +AO_fetch_and_add1_acquire(volatile AO_t *p) +{ + return __fetchadd8_acq((unsigned __int64 *)p, 1); +} +#define AO_HAVE_fetch_and_add1_acquire + +AO_INLINE AO_t +AO_fetch_and_add1_release(volatile AO_t *p) +{ + return __fetchadd8_rel((unsigned __int64 *)p, 1); +} +#define AO_HAVE_fetch_and_add1_release + +AO_INLINE AO_t +AO_fetch_and_sub1_acquire(volatile AO_t *p) +{ + return __fetchadd8_acq((unsigned __int64 *)p, -1); +} +#define AO_HAVE_fetch_and_sub1_acquire + +AO_INLINE AO_t +AO_fetch_and_sub1_release(volatile AO_t *p) +{ + return __fetchadd8_rel((unsigned __int64 *)p, -1); +} +#define AO_HAVE_fetch_and_sub1_release +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_acquire(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + return _InterlockedCompareExchange64_acq(addr, new_val, old_val); +} +#define AO_HAVE_fetch_compare_and_swap_acquire + +AO_INLINE AO_t +AO_fetch_compare_and_swap_release(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + return _InterlockedCompareExchange64_rel(addr, new_val, old_val); +} +#define AO_HAVE_fetch_compare_and_swap_release + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_acquire(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) +{ + return _InterlockedCompareExchange8_acq(addr, new_val, old_val); +} +#define AO_HAVE_char_fetch_compare_and_swap_acquire + +AO_INLINE unsigned char +AO_char_fetch_compare_and_swap_release(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) +{ + return _InterlockedCompareExchange8_rel(addr, new_val, old_val); +} +#define AO_HAVE_char_fetch_compare_and_swap_release + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_acquire(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) +{ + return _InterlockedCompareExchange16_acq(addr, new_val, old_val); +} +#define AO_HAVE_short_fetch_compare_and_swap_acquire + +AO_INLINE unsigned short +AO_short_fetch_compare_and_swap_release(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) +{ + return _InterlockedCompareExchange16_rel(addr, new_val, old_val); +} +#define AO_HAVE_short_fetch_compare_and_swap_release + +AO_INLINE unsigned int +AO_int_fetch_compare_and_swap_acquire(volatile unsigned int *addr, + unsigned int old_val, + unsigned int new_val) +{ + return _InterlockedCompareExchange_acq(addr, new_val, old_val); +} +#define AO_HAVE_int_fetch_compare_and_swap_acquire + +AO_INLINE unsigned int +AO_int_fetch_compare_and_swap_release(volatile unsigned int *addr, + unsigned int old_val, + unsigned int new_val) +{ + return _InterlockedCompareExchange_rel(addr, new_val, old_val); +} +#define AO_HAVE_int_fetch_compare_and_swap_release + +#undef AO_INTEL_PTR_t diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.h new file mode 100644 index 0000000000..2dd40ec9a3 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file adds definitions appropriate for environments in which */ +/* volatile load of a given type has acquire semantics, and volatile */ +/* store of a given type has release semantics. This is arguably */ +/* supposed to be true with the standard Itanium software conventions. */ +/* Empirically gcc/ia64 does some reordering of ordinary operations */ +/* around volatiles even when we think it should not. GCC v3.3 and */ +/* earlier could reorder a volatile store with another store. As of */ +/* March 2005, gcc pre-4 reuses some previously computed common */ +/* subexpressions across a volatile load; hence, we now add compiler */ +/* barriers for gcc. */ + +#ifndef AO_HAVE_GCC_BARRIER + /* TODO: Check GCC version (if workaround not needed for modern GCC). */ +# if defined(__GNUC__) +# define AO_GCC_BARRIER() AO_compiler_barrier() +# else +# define AO_GCC_BARRIER() (void)0 +# endif +# define AO_HAVE_GCC_BARRIER +#endif + +AO_INLINE AO_t +AO_load_acquire(const volatile AO_t *addr) +{ + AO_t result = *addr; + + /* A normal volatile load generates an ld.acq (on IA-64). */ + AO_GCC_BARRIER(); + return result; +} +#define AO_HAVE_load_acquire + +AO_INLINE void +AO_store_release(volatile AO_t *addr, AO_t new_val) +{ + AO_GCC_BARRIER(); + /* A normal volatile store generates an st.rel (on IA-64). */ + *addr = new_val; +} +#define AO_HAVE_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.template new file mode 100644 index 0000000000..0d83b530af --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/acquire_release_volatile.template @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file adds definitions appropriate for environments in which */ +/* volatile load of a given type has acquire semantics, and volatile */ +/* store of a given type has release semantics. This is arguably */ +/* supposed to be true with the standard Itanium software conventions. */ +/* Empirically gcc/ia64 does some reordering of ordinary operations */ +/* around volatiles even when we think it should not. GCC v3.3 and */ +/* earlier could reorder a volatile store with another store. As of */ +/* March 2005, gcc pre-4 reuses some previously computed common */ +/* subexpressions across a volatile load; hence, we now add compiler */ +/* barriers for gcc. */ + +#ifndef AO_HAVE_GCC_BARRIER + /* TODO: Check GCC version (if workaround not needed for modern GCC). */ +# if defined(__GNUC__) +# define AO_GCC_BARRIER() AO_compiler_barrier() +# else +# define AO_GCC_BARRIER() (void)0 +# endif +# define AO_HAVE_GCC_BARRIER +#endif + +AO_INLINE XCTYPE +AO_XSIZE_load_acquire(const volatile XCTYPE *addr) +{ + XCTYPE result = *addr; + + /* A normal volatile load generates an ld.acq (on IA-64). */ + AO_GCC_BARRIER(); + return result; +} +#define AO_HAVE_XSIZE_load_acquire + +AO_INLINE void +AO_XSIZE_store_release(volatile XCTYPE *addr, XCTYPE new_val) +{ + AO_GCC_BARRIER(); + /* A normal volatile store generates an st.rel (on IA-64). */ + *addr = new_val; +} +#define AO_HAVE_XSIZE_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.h new file mode 100644 index 0000000000..38c23e4090 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which loads of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE AO_t +AO_load(const volatile AO_t *addr) +{ +# ifdef AO_ACCESS_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile for architectures like IA64 where */ + /* volatile adds barrier (fence) semantics. */ + return *(const AO_t *)addr; +} +#define AO_HAVE_load diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.template new file mode 100644 index 0000000000..26b7e4e312 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_load.template @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which loads of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE XCTYPE +AO_XSIZE_load(const volatile XCTYPE *addr) +{ +# ifdef AO_ACCESS_XSIZE_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile for architectures like IA64 where */ + /* volatile adds barrier (fence) semantics. */ + return *(const XCTYPE *)addr; +} +#define AO_HAVE_XSIZE_load diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.h new file mode 100644 index 0000000000..9d5cf554f0 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which stores of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE void +AO_store(volatile AO_t *addr, AO_t new_val) +{ +# ifdef AO_ACCESS_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + *(AO_t *)addr = new_val; +} +#define AO_HAVE_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.template new file mode 100644 index 0000000000..56bba45df9 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/atomic_store.template @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which stores of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE void +AO_XSIZE_store(volatile XCTYPE *addr, XCTYPE new_val) +{ +# ifdef AO_ACCESS_XSIZE_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + *(XCTYPE *)addr = new_val; +} +#define AO_HAVE_XSIZE_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_acquire_release_volatile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_acquire_release_volatile.h new file mode 100644 index 0000000000..9c78b8561b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_acquire_release_volatile.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file adds definitions appropriate for environments in which */ +/* volatile load of a given type has acquire semantics, and volatile */ +/* store of a given type has release semantics. This is arguably */ +/* supposed to be true with the standard Itanium software conventions. */ +/* Empirically gcc/ia64 does some reordering of ordinary operations */ +/* around volatiles even when we think it should not. GCC v3.3 and */ +/* earlier could reorder a volatile store with another store. As of */ +/* March 2005, gcc pre-4 reuses some previously computed common */ +/* subexpressions across a volatile load; hence, we now add compiler */ +/* barriers for gcc. */ + +#ifndef AO_HAVE_GCC_BARRIER + /* TODO: Check GCC version (if workaround not needed for modern GCC). */ +# if defined(__GNUC__) +# define AO_GCC_BARRIER() AO_compiler_barrier() +# else +# define AO_GCC_BARRIER() (void)0 +# endif +# define AO_HAVE_GCC_BARRIER +#endif + +AO_INLINE unsigned/**/char +AO_char_load_acquire(const volatile unsigned/**/char *addr) +{ + unsigned/**/char result = *addr; + + /* A normal volatile load generates an ld.acq (on IA-64). */ + AO_GCC_BARRIER(); + return result; +} +#define AO_HAVE_char_load_acquire + +AO_INLINE void +AO_char_store_release(volatile unsigned/**/char *addr, unsigned/**/char new_val) +{ + AO_GCC_BARRIER(); + /* A normal volatile store generates an st.rel (on IA-64). */ + *addr = new_val; +} +#define AO_HAVE_char_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_load.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_load.h new file mode 100644 index 0000000000..8927b7d5e6 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_load.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which loads of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE unsigned/**/char +AO_char_load(const volatile unsigned/**/char *addr) +{ +# ifdef AO_ACCESS_char_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile for architectures like IA64 where */ + /* volatile adds barrier (fence) semantics. */ + return *(const unsigned/**/char *)addr; +} +#define AO_HAVE_char_load diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_store.h new file mode 100644 index 0000000000..f1fa8954d4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/char_atomic_store.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which stores of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE void +AO_char_store(volatile unsigned/**/char *addr, unsigned/**/char new_val) +{ +# ifdef AO_ACCESS_char_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + *(unsigned/**/char *)addr = new_val; +} +#define AO_HAVE_char_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/double_atomic_load_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/double_atomic_load_store.h new file mode 100644 index 0000000000..85debd056d --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/double_atomic_load_store.h @@ -0,0 +1,50 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2013 Ivan Maidanski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which AO_double_t loads and stores */ +/* are atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE AO_double_t +AO_double_load(const volatile AO_double_t *addr) +{ + AO_double_t result; + +# ifdef AO_ACCESS_double_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile in case it adds fence semantics. */ + result.AO_whole = ((const AO_double_t *)addr)->AO_whole; + return result; +} +#define AO_HAVE_double_load + +AO_INLINE void +AO_double_store(volatile AO_double_t *addr, AO_double_t new_val) +{ +# ifdef AO_ACCESS_double_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + ((AO_double_t *)addr)->AO_whole = new_val.AO_whole; +} +#define AO_HAVE_double_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_acquire_release_volatile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_acquire_release_volatile.h new file mode 100644 index 0000000000..13f2fe65d7 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_acquire_release_volatile.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file adds definitions appropriate for environments in which */ +/* volatile load of a given type has acquire semantics, and volatile */ +/* store of a given type has release semantics. This is arguably */ +/* supposed to be true with the standard Itanium software conventions. */ +/* Empirically gcc/ia64 does some reordering of ordinary operations */ +/* around volatiles even when we think it should not. GCC v3.3 and */ +/* earlier could reorder a volatile store with another store. As of */ +/* March 2005, gcc pre-4 reuses some previously computed common */ +/* subexpressions across a volatile load; hence, we now add compiler */ +/* barriers for gcc. */ + +#ifndef AO_HAVE_GCC_BARRIER + /* TODO: Check GCC version (if workaround not needed for modern GCC). */ +# if defined(__GNUC__) +# define AO_GCC_BARRIER() AO_compiler_barrier() +# else +# define AO_GCC_BARRIER() (void)0 +# endif +# define AO_HAVE_GCC_BARRIER +#endif + +AO_INLINE unsigned +AO_int_load_acquire(const volatile unsigned *addr) +{ + unsigned result = *addr; + + /* A normal volatile load generates an ld.acq (on IA-64). */ + AO_GCC_BARRIER(); + return result; +} +#define AO_HAVE_int_load_acquire + +AO_INLINE void +AO_int_store_release(volatile unsigned *addr, unsigned new_val) +{ + AO_GCC_BARRIER(); + /* A normal volatile store generates an st.rel (on IA-64). */ + *addr = new_val; +} +#define AO_HAVE_int_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_load.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_load.h new file mode 100644 index 0000000000..ecc4b3a7cf --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_load.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which loads of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE unsigned +AO_int_load(const volatile unsigned *addr) +{ +# ifdef AO_ACCESS_int_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile for architectures like IA64 where */ + /* volatile adds barrier (fence) semantics. */ + return *(const unsigned *)addr; +} +#define AO_HAVE_int_load diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_store.h new file mode 100644 index 0000000000..3c32b306e7 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/int_atomic_store.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which stores of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE void +AO_int_store(volatile unsigned *addr, unsigned new_val) +{ +# ifdef AO_ACCESS_int_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + *(unsigned *)addr = new_val; +} +#define AO_HAVE_int_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.h new file mode 100644 index 0000000000..a64cfafc7e --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_char_load + /* char_load_read is defined in generalize-small. */ +# define AO_char_load_acquire(addr) AO_char_load_read(addr) +# define AO_HAVE_char_load_acquire +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_short_load + /* short_load_read is defined in generalize-small. */ +# define AO_short_load_acquire(addr) AO_short_load_read(addr) +# define AO_HAVE_short_load_acquire +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_int_load + /* int_load_read is defined in generalize-small. */ +# define AO_int_load_acquire(addr) AO_int_load_read(addr) +# define AO_HAVE_int_load_acquire +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_load + /* load_read is defined in generalize-small. */ +# define AO_load_acquire(addr) AO_load_read(addr) +# define AO_HAVE_load_acquire +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_double_load + /* double_load_read is defined in generalize-small. */ +# define AO_double_load_acquire(addr) AO_double_load_read(addr) +# define AO_HAVE_double_load_acquire +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.template new file mode 100644 index 0000000000..45c5c1d581 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_loads_only.template @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_XSIZE_load + /* XSIZE_load_read is defined in generalize-small. */ +# define AO_XSIZE_load_acquire(addr) AO_XSIZE_load_read(addr) +# define AO_HAVE_XSIZE_load_acquire +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.h new file mode 100644 index 0000000000..a427f3bd85 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.h @@ -0,0 +1,135 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_char_store +# define AO_char_store_release(addr, val) \ + (AO_nop_write(), AO_char_store(addr, val)) +# define AO_HAVE_char_store_release +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_short_store +# define AO_short_store_release(addr, val) \ + (AO_nop_write(), AO_short_store(addr, val)) +# define AO_HAVE_short_store_release +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_int_store +# define AO_int_store_release(addr, val) \ + (AO_nop_write(), AO_int_store(addr, val)) +# define AO_HAVE_int_store_release +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_store +# define AO_store_release(addr, val) \ + (AO_nop_write(), AO_store(addr, val)) +# define AO_HAVE_store_release +#endif +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_double_store +# define AO_double_store_release(addr, val) \ + (AO_nop_write(), AO_double_store(addr, val)) +# define AO_HAVE_double_store_release +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.template b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.template new file mode 100644 index 0000000000..c51abc5d2e --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/ordered_stores_only.template @@ -0,0 +1,27 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifdef AO_HAVE_XSIZE_store +# define AO_XSIZE_store_release(addr, val) \ + (AO_nop_write(), AO_XSIZE_store(addr, val)) +# define AO_HAVE_XSIZE_store_release +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_acquire_release_volatile.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_acquire_release_volatile.h new file mode 100644 index 0000000000..a7a611f0ff --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_acquire_release_volatile.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003-2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file adds definitions appropriate for environments in which */ +/* volatile load of a given type has acquire semantics, and volatile */ +/* store of a given type has release semantics. This is arguably */ +/* supposed to be true with the standard Itanium software conventions. */ +/* Empirically gcc/ia64 does some reordering of ordinary operations */ +/* around volatiles even when we think it should not. GCC v3.3 and */ +/* earlier could reorder a volatile store with another store. As of */ +/* March 2005, gcc pre-4 reuses some previously computed common */ +/* subexpressions across a volatile load; hence, we now add compiler */ +/* barriers for gcc. */ + +#ifndef AO_HAVE_GCC_BARRIER + /* TODO: Check GCC version (if workaround not needed for modern GCC). */ +# if defined(__GNUC__) +# define AO_GCC_BARRIER() AO_compiler_barrier() +# else +# define AO_GCC_BARRIER() (void)0 +# endif +# define AO_HAVE_GCC_BARRIER +#endif + +AO_INLINE unsigned/**/short +AO_short_load_acquire(const volatile unsigned/**/short *addr) +{ + unsigned/**/short result = *addr; + + /* A normal volatile load generates an ld.acq (on IA-64). */ + AO_GCC_BARRIER(); + return result; +} +#define AO_HAVE_short_load_acquire + +AO_INLINE void +AO_short_store_release(volatile unsigned/**/short *addr, unsigned/**/short new_val) +{ + AO_GCC_BARRIER(); + /* A normal volatile store generates an st.rel (on IA-64). */ + *addr = new_val; +} +#define AO_HAVE_short_store_release diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_load.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_load.h new file mode 100644 index 0000000000..2370540ba4 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_load.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which loads of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE unsigned/**/short +AO_short_load(const volatile unsigned/**/short *addr) +{ +# ifdef AO_ACCESS_short_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + /* Cast away the volatile for architectures like IA64 where */ + /* volatile adds barrier (fence) semantics. */ + return *(const unsigned/**/short *)addr; +} +#define AO_HAVE_short_load diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_store.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_store.h new file mode 100644 index 0000000000..b9a9dc6e8e --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/loadstore/short_atomic_store.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* Definitions for architectures on which stores of given type are */ +/* atomic (either for suitably aligned data only or for any legal */ +/* alignment). */ + +AO_INLINE void +AO_short_store(volatile unsigned/**/short *addr, unsigned/**/short new_val) +{ +# ifdef AO_ACCESS_short_CHECK_ALIGNED + AO_ASSERT_ADDR_ALIGNED(addr); +# endif + *(unsigned/**/short *)addr = new_val; +} +#define AO_HAVE_short_store diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/arm.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/arm.h new file mode 100644 index 0000000000..8ea238c044 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/arm.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2009-2017 Ivan Maidanski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef AO_ASSUME_WINDOWS98 + /* CAS is always available */ +# define AO_ASSUME_WINDOWS98 +#endif +#include "common32_defs.h" + +#include "../test_and_set_t_is_ao_t.h" +/* AO_test_and_set_full() is emulated using CAS. */ + +/* Some ARM slide set, if it has been read correctly, claims that Loads */ +/* followed by either a Load or a Store are ordered, but nothing else. */ +/* It is assumed that Windows interrupt handlers clear the LL/SC flag. */ +/* Unaligned accesses are not guaranteed to be atomic. */ +#include "../all_aligned_atomic_load_store.h" + +/* If only a single processor is used, we can define AO_UNIPROCESSOR. */ +#ifdef AO_UNIPROCESSOR + AO_INLINE void AO_nop_full(void) + { + AO_compiler_barrier(); + } +# define AO_HAVE_nop_full +#else + /* AO_nop_full() is emulated using AO_test_and_set_full(). */ +#endif + +#if _M_ARM >= 6 +/* ARMv6 is the first architecture providing support for simple LL/SC. */ + +/* #include "../standard_ao_double_t.h" */ +/* TODO: implement double-wide operations (similar to x86). */ + +#else /* _M_ARM < 6 */ + +/* TODO: implement AO_test_and_set_full using SWP. */ + +#endif /* _M_ARM < 6 */ + +#define AO_T_IS_INT diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/common32_defs.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/common32_defs.h new file mode 100644 index 0000000000..fa7ee95308 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/common32_defs.h @@ -0,0 +1,212 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * Copyright (c) 2009-2018 Ivan Maidanski + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* This file contains AO primitives based on VC++ built-in intrinsic */ +/* functions commonly available across 32-bit architectures. */ + +/* This file should be included from arch-specific header files. */ +/* Define AO_USE_INTERLOCKED_INTRINSICS if _Interlocked primitives */ +/* (used below) are available as intrinsic ones for a target arch */ +/* (otherwise "Interlocked" functions family is used instead). */ +/* Define AO_ASSUME_WINDOWS98 if CAS is available. */ + +#if _MSC_VER <= 1400 || !defined(AO_USE_INTERLOCKED_INTRINSICS) \ + || defined(_WIN32_WCE) +# include + /* Seems like over-kill, but that's what MSDN recommends. */ + /* And apparently winbase.h is not always self-contained. */ +#endif + +#if _MSC_VER < 1310 || !defined(AO_USE_INTERLOCKED_INTRINSICS) + +# define _InterlockedIncrement InterlockedIncrement +# define _InterlockedDecrement InterlockedDecrement +# define _InterlockedExchangeAdd InterlockedExchangeAdd +# define _InterlockedCompareExchange InterlockedCompareExchange + +# define AO_INTERLOCKED_VOLATILE /**/ + +#else /* elif _MSC_VER >= 1310 */ + +# if _MSC_VER >= 1400 +# ifndef _WIN32_WCE +# include +# endif + +# else /* elif _MSC_VER < 1400 */ +# ifdef __cplusplus + extern "C" { +# endif + LONG __cdecl _InterlockedIncrement(LONG volatile *); + LONG __cdecl _InterlockedDecrement(LONG volatile *); + LONG __cdecl _InterlockedExchangeAdd(LONG volatile *, LONG); + LONG __cdecl _InterlockedCompareExchange(LONG volatile *, + LONG /* Exchange */, LONG /* Comp */); +# ifdef __cplusplus + } /* extern "C" */ +# endif +# endif /* _MSC_VER < 1400 */ + +# if !defined(AO_PREFER_GENERALIZED) || !defined(AO_ASSUME_WINDOWS98) +# pragma intrinsic (_InterlockedIncrement) +# pragma intrinsic (_InterlockedDecrement) +# pragma intrinsic (_InterlockedExchangeAdd) +# endif /* !AO_PREFER_GENERALIZED */ +# pragma intrinsic (_InterlockedCompareExchange) + +# define AO_INTERLOCKED_VOLATILE volatile + +#endif /* _MSC_VER >= 1310 */ + +#if !defined(AO_PREFER_GENERALIZED) || !defined(AO_ASSUME_WINDOWS98) +AO_INLINE AO_t +AO_fetch_and_add_full(volatile AO_t *p, AO_t incr) +{ + return _InterlockedExchangeAdd((long AO_INTERLOCKED_VOLATILE *)p, incr); +} +#define AO_HAVE_fetch_and_add_full + +AO_INLINE AO_t +AO_fetch_and_add1_full(volatile AO_t *p) +{ + return _InterlockedIncrement((long AO_INTERLOCKED_VOLATILE *)p) - 1; +} +#define AO_HAVE_fetch_and_add1_full + +AO_INLINE AO_t +AO_fetch_and_sub1_full(volatile AO_t *p) +{ + return _InterlockedDecrement((long AO_INTERLOCKED_VOLATILE *)p) + 1; +} +#define AO_HAVE_fetch_and_sub1_full +#endif /* !AO_PREFER_GENERALIZED */ + +#ifdef AO_ASSUME_WINDOWS98 + AO_INLINE AO_t + AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) + { +# ifdef AO_OLD_STYLE_INTERLOCKED_COMPARE_EXCHANGE + return (AO_t)_InterlockedCompareExchange( + (void *AO_INTERLOCKED_VOLATILE *)addr, + (void *)new_val, (void *)old_val); +# else + return _InterlockedCompareExchange((long AO_INTERLOCKED_VOLATILE *)addr, + new_val, old_val); +# endif + } +# define AO_HAVE_fetch_compare_and_swap_full +#endif /* AO_ASSUME_WINDOWS98 */ + +#if (_MSC_VER > 1400) && (!defined(_M_ARM) || _MSC_VER >= 1800) + +# pragma intrinsic (_InterlockedAnd8) +# pragma intrinsic (_InterlockedCompareExchange16) +# pragma intrinsic (_InterlockedOr8) +# pragma intrinsic (_InterlockedXor8) + + AO_INLINE void + AO_char_and_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedAnd8((char volatile *)p, value); + } +# define AO_HAVE_char_and_full + + AO_INLINE void + AO_char_or_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedOr8((char volatile *)p, value); + } +# define AO_HAVE_char_or_full + + AO_INLINE void + AO_char_xor_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedXor8((char volatile *)p, value); + } +# define AO_HAVE_char_xor_full + + AO_INLINE unsigned short + AO_short_fetch_compare_and_swap_full(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) + { + return _InterlockedCompareExchange16((short volatile *)addr, + new_val, old_val); + } +# define AO_HAVE_short_fetch_compare_and_swap_full + +# ifndef AO_PREFER_GENERALIZED +# pragma intrinsic (_InterlockedIncrement16) +# pragma intrinsic (_InterlockedDecrement16) + + AO_INLINE unsigned short + AO_short_fetch_and_add1_full(volatile unsigned short *p) + { + return _InterlockedIncrement16((short volatile *)p) - 1; + } +# define AO_HAVE_short_fetch_and_add1_full + + AO_INLINE unsigned short + AO_short_fetch_and_sub1_full(volatile unsigned short *p) + { + return _InterlockedDecrement16((short volatile *)p) + 1; + } +# define AO_HAVE_short_fetch_and_sub1_full +# endif /* !AO_PREFER_GENERALIZED */ +#endif /* _MSC_VER > 1400 */ + +#if _MSC_VER >= 1800 /* Visual Studio 2013+ */ + +# pragma intrinsic (_InterlockedCompareExchange8) + + AO_INLINE unsigned char + AO_char_fetch_compare_and_swap_full(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) + { + return _InterlockedCompareExchange8((char volatile *)addr, + new_val, old_val); + } +# define AO_HAVE_char_fetch_compare_and_swap_full + +# if !defined(AO_PREFER_GENERALIZED) && !defined(_M_ARM) +# pragma intrinsic (_InterlockedExchangeAdd16) +# pragma intrinsic (_InterlockedExchangeAdd8) + + AO_INLINE unsigned char + AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) + { + return _InterlockedExchangeAdd8((char volatile *)p, incr); + } +# define AO_HAVE_char_fetch_and_add_full + + AO_INLINE unsigned short + AO_short_fetch_and_add_full(volatile unsigned short *p, + unsigned short incr) + { + return _InterlockedExchangeAdd16((short volatile *)p, incr); + } +# define AO_HAVE_short_fetch_and_add_full +# endif /* !AO_PREFER_GENERALIZED && !_M_ARM */ +#endif /* _MSC_VER >= 1800 */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86.h new file mode 100644 index 0000000000..d290fc7868 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86.h @@ -0,0 +1,145 @@ +/* + * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* If AO_ASSUME_VISTA is defined, we assume Windows Server 2003, Vista */ +/* or later. */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_char.h" + +#if !defined(AO_ASSUME_WINDOWS98) \ + && (defined(AO_ASSUME_VISTA) || _MSC_VER >= 1400) + /* Visual Studio 2005 (MS VC++ 8.0) discontinued support of Windows 95. */ +# define AO_ASSUME_WINDOWS98 +#endif + +#ifndef AO_USE_INTERLOCKED_INTRINSICS + /* _Interlocked primitives (Inc, Dec, Xchg, Add) are always available */ +# define AO_USE_INTERLOCKED_INTRINSICS +#endif +#include "common32_defs.h" + +/* As far as we can tell, the lfence and sfence instructions are not */ +/* currently needed or useful for cached memory accesses. */ + +/* Unfortunately mfence doesn't exist everywhere. */ +/* IsProcessorFeaturePresent(PF_COMPARE_EXCHANGE128) is */ +/* probably a conservative test for it? */ + +#if defined(AO_USE_PENTIUM4_INSTRS) + +AO_INLINE void +AO_nop_full(void) +{ + __asm { mfence } +} +#define AO_HAVE_nop_full + +#else + +/* We could use the cpuid instruction. But that seems to be slower */ +/* than the default implementation based on test_and_set_full. Thus */ +/* we omit that bit of misinformation here. */ + +#endif + +#if !defined(AO_NO_ASM_XADD) && !defined(AO_HAVE_char_fetch_and_add_full) + AO_INLINE unsigned char + AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) + { + __asm + { + mov al, incr + mov ebx, p + lock xadd byte ptr [ebx], al + } + /* Ignore possible "missing return value" warning here. */ + } +# define AO_HAVE_char_fetch_and_add_full + + AO_INLINE unsigned short + AO_short_fetch_and_add_full(volatile unsigned short *p, unsigned short incr) + { + __asm + { + mov ax, incr + mov ebx, p + lock xadd word ptr [ebx], ax + } + /* Ignore possible "missing return value" warning here. */ + } +# define AO_HAVE_short_fetch_and_add_full +#endif /* !AO_NO_ASM_XADD */ + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr) +{ + __asm + { + mov eax,0xff ; /* AO_TS_SET */ + mov ebx,addr ; + xchg byte ptr [ebx],al ; + } + /* Ignore possible "missing return value" warning here. */ +} +#define AO_HAVE_test_and_set_full + +#if defined(_WIN64) && !defined(CPPCHECK) +# error wrong architecture +#endif + +#ifdef AO_ASSUME_VISTA +# include "../standard_ao_double_t.h" + + /* Reading or writing a quadword aligned on a 64-bit boundary is */ + /* always carried out atomically (requires at least a Pentium). */ +# define AO_ACCESS_double_CHECK_ALIGNED +# include "../loadstore/double_atomic_load_store.h" + + /* Whenever we run on a Pentium class machine, we have that certain */ + /* function. */ +# pragma intrinsic (_InterlockedCompareExchange64) + + /* Returns nonzero if the comparison succeeded. */ + AO_INLINE int + AO_double_compare_and_swap_full(volatile AO_double_t *addr, + AO_double_t old_val, AO_double_t new_val) + { + AO_ASSERT_ADDR_ALIGNED(addr); + return (double_ptr_storage)_InterlockedCompareExchange64( + (__int64 volatile *)addr, + new_val.AO_whole /* exchange */, + old_val.AO_whole) == old_val.AO_whole; + } +# define AO_HAVE_double_compare_and_swap_full +#endif /* AO_ASSUME_VISTA */ + +#define AO_T_IS_INT + +/* Real X86 implementations, except for some old WinChips, appear */ +/* to enforce ordering between memory operations, EXCEPT that a later */ +/* read can pass earlier writes, presumably due to the visible */ +/* presence of store buffers. */ +/* We ignore both the WinChips, and the fact that the official specs */ +/* seem to be much weaker (and arguably too weak to be usable). */ +#include "../ordered_except_wr.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86_64.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86_64.h new file mode 100644 index 0000000000..196fc650a6 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/msftc/x86_64.h @@ -0,0 +1,313 @@ +/* + * Copyright (c) 2003-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "../all_aligned_atomic_load_store.h" + +/* Real X86 implementations appear */ +/* to enforce ordering between memory operations, EXCEPT that a later */ +/* read can pass earlier writes, presumably due to the visible */ +/* presence of store buffers. */ +/* We ignore the fact that the official specs */ +/* seem to be much weaker (and arguably too weak to be usable). */ + +#include "../ordered_except_wr.h" + +#ifdef AO_ASM_X64_AVAILABLE +# include "../test_and_set_t_is_char.h" +#else +# include "../test_and_set_t_is_ao_t.h" +#endif + +/* Assume _MSC_VER >= 1400 */ +#include + +#pragma intrinsic (_InterlockedCompareExchange) +#pragma intrinsic (_InterlockedCompareExchange64) + +#ifndef AO_PREFER_GENERALIZED + +# pragma intrinsic (_InterlockedIncrement) +# pragma intrinsic (_InterlockedIncrement64) +# pragma intrinsic (_InterlockedDecrement) +# pragma intrinsic (_InterlockedDecrement64) +# pragma intrinsic (_InterlockedExchangeAdd) +# pragma intrinsic (_InterlockedExchangeAdd64) + +AO_INLINE AO_t +AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) +{ + return _InterlockedExchangeAdd64((__int64 volatile *)p, incr); +} +#define AO_HAVE_fetch_and_add_full + +AO_INLINE AO_t +AO_fetch_and_add1_full (volatile AO_t *p) +{ + return _InterlockedIncrement64((__int64 volatile *)p) - 1; +} +#define AO_HAVE_fetch_and_add1_full + +AO_INLINE AO_t +AO_fetch_and_sub1_full (volatile AO_t *p) +{ + return _InterlockedDecrement64((__int64 volatile *)p) + 1; +} +#define AO_HAVE_fetch_and_sub1_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + return (AO_t)_InterlockedCompareExchange64((__int64 volatile *)addr, + new_val, old_val); +} +#define AO_HAVE_fetch_compare_and_swap_full + +AO_INLINE unsigned int +AO_int_fetch_compare_and_swap_full(volatile unsigned int *addr, + unsigned int old_val, unsigned int new_val) +{ + return _InterlockedCompareExchange((long volatile *)addr, new_val, old_val); +} +#define AO_HAVE_int_fetch_compare_and_swap_full + +#ifndef AO_PREFER_GENERALIZED +AO_INLINE unsigned int +AO_int_fetch_and_add_full(volatile unsigned int *p, unsigned int incr) +{ + return _InterlockedExchangeAdd((long volatile *)p, incr); +} +#define AO_HAVE_int_fetch_and_add_full + + AO_INLINE unsigned int + AO_int_fetch_and_add1_full(volatile unsigned int *p) + { + return _InterlockedIncrement((long volatile *)p) - 1; + } +# define AO_HAVE_int_fetch_and_add1_full + + AO_INLINE unsigned int + AO_int_fetch_and_sub1_full(volatile unsigned int *p) + { + return _InterlockedDecrement((long volatile *)p) + 1; + } +# define AO_HAVE_int_fetch_and_sub1_full +#endif /* !AO_PREFER_GENERALIZED */ + +#if _MSC_VER > 1400 +# pragma intrinsic (_InterlockedAnd8) +# pragma intrinsic (_InterlockedCompareExchange16) +# pragma intrinsic (_InterlockedOr8) +# pragma intrinsic (_InterlockedXor8) + + AO_INLINE void + AO_char_and_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedAnd8((char volatile *)p, value); + } +# define AO_HAVE_char_and_full + + AO_INLINE void + AO_char_or_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedOr8((char volatile *)p, value); + } +# define AO_HAVE_char_or_full + + AO_INLINE void + AO_char_xor_full(volatile unsigned char *p, unsigned char value) + { + _InterlockedXor8((char volatile *)p, value); + } +# define AO_HAVE_char_xor_full + + AO_INLINE unsigned short + AO_short_fetch_compare_and_swap_full(volatile unsigned short *addr, + unsigned short old_val, + unsigned short new_val) + { + return _InterlockedCompareExchange16((short volatile *)addr, + new_val, old_val); + } +# define AO_HAVE_short_fetch_compare_and_swap_full + +# ifndef AO_PREFER_GENERALIZED +# pragma intrinsic (_InterlockedIncrement16) +# pragma intrinsic (_InterlockedDecrement16) + + AO_INLINE unsigned short + AO_short_fetch_and_add1_full(volatile unsigned short *p) + { + return _InterlockedIncrement16((short volatile *)p) - 1; + } +# define AO_HAVE_short_fetch_and_add1_full + + AO_INLINE unsigned short + AO_short_fetch_and_sub1_full(volatile unsigned short *p) + { + return _InterlockedDecrement16((short volatile *)p) + 1; + } +# define AO_HAVE_short_fetch_and_sub1_full +# endif /* !AO_PREFER_GENERALIZED */ +#endif /* _MSC_VER > 1400 */ + +#if _MSC_VER >= 1800 /* Visual Studio 2013+ */ + +# pragma intrinsic (_InterlockedCompareExchange8) + + AO_INLINE unsigned char + AO_char_fetch_compare_and_swap_full(volatile unsigned char *addr, + unsigned char old_val, + unsigned char new_val) + { + return _InterlockedCompareExchange8((char volatile *)addr, + new_val, old_val); + } +# define AO_HAVE_char_fetch_compare_and_swap_full + +# ifndef AO_PREFER_GENERALIZED +# pragma intrinsic (_InterlockedExchangeAdd16) +# pragma intrinsic (_InterlockedExchangeAdd8) + + AO_INLINE unsigned char + AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) + { + return _InterlockedExchangeAdd8((char volatile *)p, incr); + } +# define AO_HAVE_char_fetch_and_add_full + + AO_INLINE unsigned short + AO_short_fetch_and_add_full(volatile unsigned short *p, + unsigned short incr) + { + return _InterlockedExchangeAdd16((short volatile *)p, incr); + } +# define AO_HAVE_short_fetch_and_add_full +# endif /* !AO_PREFER_GENERALIZED */ + +#elif defined(AO_ASM_X64_AVAILABLE) + + AO_INLINE unsigned char + AO_char_fetch_and_add_full(volatile unsigned char *p, unsigned char incr) + { + __asm + { + mov al, incr + mov rbx, p + lock xadd byte ptr [rbx], al + } + } +# define AO_HAVE_char_fetch_and_add_full + + AO_INLINE unsigned short + AO_short_fetch_and_add_full(volatile unsigned short *p, unsigned short incr) + { + __asm + { + mov ax, incr + mov rbx, p + lock xadd word ptr [rbx], ax + } + } +# define AO_HAVE_short_fetch_and_add_full + +#endif /* _MSC_VER < 1800 && AO_ASM_X64_AVAILABLE */ + +#ifdef AO_ASM_X64_AVAILABLE + +/* As far as we can tell, the lfence and sfence instructions are not */ +/* currently needed or useful for cached memory accesses. */ + + AO_INLINE void + AO_nop_full(void) + { + /* Note: "mfence" (SSE2) is supported on all x86_64/amd64 chips. */ + __asm { mfence } + } +# define AO_HAVE_nop_full + + AO_INLINE AO_TS_VAL_t + AO_test_and_set_full(volatile AO_TS_t *addr) + { + __asm + { + mov rax,AO_TS_SET ; + mov rbx,addr ; + xchg byte ptr [rbx],al ; + } + } +# define AO_HAVE_test_and_set_full + +#endif /* AO_ASM_X64_AVAILABLE */ + +#ifdef AO_CMPXCHG16B_AVAILABLE +/* AO_compare_double_and_swap_double_full needs implementation for Win64. + * Also see ../gcc/x86.h for partial old Opteron workaround. + */ + +# if _MSC_VER >= 1500 + +# include "../standard_ao_double_t.h" + +# pragma intrinsic (_InterlockedCompareExchange128) + +AO_INLINE int +AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) +{ + __int64 comparandResult[2]; + + AO_ASSERT_ADDR_ALIGNED(addr); + comparandResult[0] = old_val1; /* low */ + comparandResult[1] = old_val2; /* high */ + return _InterlockedCompareExchange128((volatile __int64 *)addr, + new_val2 /* high */, new_val1 /* low */, comparandResult); +} +# define AO_HAVE_compare_double_and_swap_double_full + +# elif defined(AO_ASM_X64_AVAILABLE) + +# include "../standard_ao_double_t.h" + + /* If there is no intrinsic _InterlockedCompareExchange128 then we */ + /* need basically what's given below. */ +AO_INLINE int +AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) +{ + __asm + { + mov rdx,QWORD PTR [old_val2] ; + mov rax,QWORD PTR [old_val1] ; + mov rcx,QWORD PTR [new_val2] ; + mov rbx,QWORD PTR [new_val1] ; + lock cmpxchg16b [addr] ; + setz rax ; + } +} +# define AO_HAVE_compare_double_and_swap_double_full +# endif /* AO_ASM_X64_AVAILABLE && (_MSC_VER < 1500) */ + +#endif /* AO_CMPXCHG16B_AVAILABLE */ diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered.h new file mode 100644 index 0000000000..ba9822d3fd --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered.h @@ -0,0 +1,33 @@ +/* + * Copyright (c) 2003 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* These are common definitions for architectures that provide */ +/* processor ordered memory operations. */ + +#include "ordered_except_wr.h" + +AO_INLINE void +AO_nop_full(void) +{ + AO_compiler_barrier(); +} +#define AO_HAVE_nop_full diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered_except_wr.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered_except_wr.h new file mode 100644 index 0000000000..78f447175b --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/ordered_except_wr.h @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * These are common definitions for architectures that provide processor + * ordered memory operations except that a later read may pass an + * earlier write. Real x86 implementations seem to be in this category, + * except apparently for some IDT WinChips, which we ignore. + */ + +#include "read_ordered.h" + +AO_INLINE void +AO_nop_write(void) +{ + /* AO_nop_write implementation is the same as of AO_nop_read. */ + AO_compiler_barrier(); + /* sfence according to Intel docs. Pentium 3 and up. */ + /* Unnecessary for cached accesses? */ +} +#define AO_HAVE_nop_write + +#include "loadstore/ordered_stores_only.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/read_ordered.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/read_ordered.h new file mode 100644 index 0000000000..420cd9705c --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/read_ordered.h @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2003 by Hewlett-Packard Company. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * These are common definitions for architectures that provide processor + * ordered memory operations except that a later read may pass an + * earlier write. Real x86 implementations seem to be in this category, + * except apparently for some IDT WinChips, which we ignore. + */ + +AO_INLINE void +AO_nop_read(void) +{ + AO_compiler_barrier(); +} +#define AO_HAVE_nop_read + +#include "loadstore/ordered_loads_only.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/standard_ao_double_t.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/standard_ao_double_t.h new file mode 100644 index 0000000000..630c3762b3 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/standard_ao_double_t.h @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2004-2011 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* For 64-bit systems, we expect the double type to hold two int64's. */ + +#if ((defined(__x86_64__) && defined(AO_GCC_ATOMIC_TEST_AND_SET)) \ + || defined(__aarch64__)) && !defined(__ILP32__) + /* x86-64: __m128 is not applicable to atomic intrinsics. */ +# if AO_GNUC_PREREQ(4, 7) || AO_CLANG_PREREQ(3, 6) +# pragma GCC diagnostic push + /* Suppress warning about __int128 type. */ +# if defined(__clang__) || AO_GNUC_PREREQ(6, 4) +# pragma GCC diagnostic ignored "-Wpedantic" +# else + /* GCC before ~4.8 does not accept "-Wpedantic" quietly. */ +# pragma GCC diagnostic ignored "-pedantic" +# endif + typedef unsigned __int128 double_ptr_storage; +# pragma GCC diagnostic pop +# else /* pragma diagnostic is not supported */ + typedef unsigned __int128 double_ptr_storage; +# endif +#elif ((defined(__x86_64__) && AO_GNUC_PREREQ(4, 0)) || defined(_WIN64)) \ + && !defined(__ILP32__) + /* x86-64 (except for x32): __m128 serves as a placeholder which also */ + /* requires the compiler to align it on 16-byte boundary (as required */ + /* by cmpxchg16b). */ + /* Similar things could be done for PPC 64-bit using a VMX data type. */ +# include + typedef __m128 double_ptr_storage; +#elif defined(_WIN32) && !defined(__GNUC__) + typedef unsigned __int64 double_ptr_storage; +#elif defined(__i386__) && defined(__GNUC__) + typedef unsigned long long double_ptr_storage + __attribute__((__aligned__(8))); +#else + typedef unsigned long long double_ptr_storage; +#endif +# define AO_HAVE_DOUBLE_PTR_STORAGE + +typedef union { + struct { AO_t AO_v1; AO_t AO_v2; } AO_parts; + /* Note that AO_v1 corresponds to the low or the high part of */ + /* AO_whole depending on the machine endianness. */ + double_ptr_storage AO_whole; + /* AO_whole is now (starting from v7.3alpha3) the 2nd element */ + /* of this union to make AO_DOUBLE_T_INITIALIZER portable */ + /* (because __m128 definition could vary from a primitive type */ + /* to a structure or array/vector). */ +} AO_double_t; +#define AO_HAVE_double_t + +/* Note: AO_double_t volatile variables are not intended to be local */ +/* ones (at least those which are passed to AO double-wide primitives */ +/* as the first argument), otherwise it is the client responsibility to */ +/* ensure they have double-word alignment. */ + +/* Dummy declaration as a compile-time assertion for AO_double_t size. */ +struct AO_double_t_size_static_assert { + char dummy[sizeof(AO_double_t) == 2 * sizeof(AO_t) ? 1 : -1]; +}; + +#define AO_DOUBLE_T_INITIALIZER { { (AO_t)0, (AO_t)0 } } + +#define AO_val1 AO_parts.AO_v1 +#define AO_val2 AO_parts.AO_v2 diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.S b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.S new file mode 100644 index 0000000000..4001a6762f --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.S @@ -0,0 +1,5 @@ + .seg "text" + .globl AO_test_and_set_full +AO_test_and_set_full: + retl + ldstub [%o0],%o0 diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.h new file mode 100644 index 0000000000..5530fd0ee8 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/sparc.h @@ -0,0 +1,44 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "../all_atomic_load_store.h" + +/* Real SPARC code uses TSO: */ +#include "../ordered_except_wr.h" + +/* Test_and_set location is just a byte. */ +#include "../test_and_set_t_is_char.h" + +#ifdef __cplusplus + extern "C" { +#endif + +extern AO_TS_VAL_t +AO_test_and_set_full(volatile AO_TS_t *addr); +/* Implemented in separate .S file, for now. */ +#define AO_HAVE_test_and_set_full + +/* TODO: Like the gcc version, extend this for V8 and V9. */ + +#ifdef __cplusplus + } /* extern "C" */ +#endif diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/x86.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/x86.h new file mode 100644 index 0000000000..dfac1e5637 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/sunc/x86.h @@ -0,0 +1,240 @@ +/* + * Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved. + * Copyright (c) 1996-1999 by Silicon Graphics. All rights reserved. + * Copyright (c) 1999-2003 by Hewlett-Packard Company. All rights reserved. + * Copyright (c) 2009-2016 Ivan Maidanski + * + * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED + * OR IMPLIED. ANY USE IS AT YOUR OWN RISK. + * + * Permission is hereby granted to use or copy this program + * for any purpose, provided the above notices are retained on all copies. + * Permission to modify the code and to distribute modified code is granted, + * provided the above notices are retained, and a notice that the code was + * modified is included with the above copyright notice. + * + * Some of the machine specific code was borrowed from our GC distribution. + */ + +/* The following really assume we have a 486 or better. */ + +#include "../all_aligned_atomic_load_store.h" + +#include "../test_and_set_t_is_char.h" + +#if !defined(AO_USE_PENTIUM4_INSTRS) && !defined(__i386) + /* "mfence" (SSE2) is supported on all x86_64/amd64 chips. */ +# define AO_USE_PENTIUM4_INSTRS +#endif + +#if defined(AO_USE_PENTIUM4_INSTRS) + AO_INLINE void + AO_nop_full(void) + { + __asm__ __volatile__ ("mfence" : : : "memory"); + } +# define AO_HAVE_nop_full + +#else + /* We could use the cpuid instruction. But that seems to be slower */ + /* than the default implementation based on test_and_set_full. Thus */ + /* we omit that bit of misinformation here. */ +#endif /* !AO_USE_PENTIUM4_INSTRS */ + +/* As far as we can tell, the lfence and sfence instructions are not */ +/* currently needed or useful for cached memory accesses. */ + +/* Really only works for 486 and later */ +#ifndef AO_PREFER_GENERALIZED + AO_INLINE AO_t + AO_fetch_and_add_full (volatile AO_t *p, AO_t incr) + { + AO_t result; + + __asm__ __volatile__ ("lock; xadd %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; + } +# define AO_HAVE_fetch_and_add_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE unsigned char +AO_char_fetch_and_add_full (volatile unsigned char *p, unsigned char incr) +{ + unsigned char result; + + __asm__ __volatile__ ("lock; xaddb %0, %1" + : "=q" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; +} +#define AO_HAVE_char_fetch_and_add_full + +AO_INLINE unsigned short +AO_short_fetch_and_add_full (volatile unsigned short *p, unsigned short incr) +{ + unsigned short result; + + __asm__ __volatile__ ("lock; xaddw %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; +} +#define AO_HAVE_short_fetch_and_add_full + +#ifndef AO_PREFER_GENERALIZED + AO_INLINE void + AO_and_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; and %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_and_full + + AO_INLINE void + AO_or_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; or %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_or_full + + AO_INLINE void + AO_xor_full (volatile AO_t *p, AO_t value) + { + __asm__ __volatile__ ("lock; xor %1, %0" + : "+m" (*p) + : "r" (value) + : "memory"); + } +# define AO_HAVE_xor_full +#endif /* !AO_PREFER_GENERALIZED */ + +AO_INLINE AO_TS_VAL_t +AO_test_and_set_full (volatile AO_TS_t *addr) +{ + AO_TS_t oldval; + /* Note: the "xchg" instruction does not need a "lock" prefix */ + __asm__ __volatile__ ("xchg %b0, %1" + : "=q" (oldval), "+m" (*addr) + : "0" (0xff) + : "memory"); + return (AO_TS_VAL_t)oldval; +} +#define AO_HAVE_test_and_set_full + +#ifndef AO_GENERALIZE_ASM_BOOL_CAS + /* Returns nonzero if the comparison succeeded. */ + AO_INLINE int + AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) + { + char result; + __asm__ __volatile__ ("lock; cmpxchg %2, %0; setz %1" + : "+m" (*addr), "=a" (result) + : "r" (new_val), "a" (old) + : "memory"); + return (int) result; + } +# define AO_HAVE_compare_and_swap_full +#endif /* !AO_GENERALIZE_ASM_BOOL_CAS */ + +AO_INLINE AO_t +AO_fetch_compare_and_swap_full(volatile AO_t *addr, AO_t old_val, + AO_t new_val) +{ + AO_t fetched_val; + __asm__ __volatile__ ("lock; cmpxchg %2, %0" + : "+m" (*addr), "=a" (fetched_val) + : "r" (new_val), "a" (old_val) + : "memory"); + return fetched_val; +} +#define AO_HAVE_fetch_compare_and_swap_full + +#if defined(__i386) + +# ifndef AO_NO_CMPXCHG8B +# include "../standard_ao_double_t.h" + + /* Reading or writing a quadword aligned on a 64-bit boundary is */ + /* always carried out atomically (requires at least a Pentium). */ +# define AO_ACCESS_double_CHECK_ALIGNED +# include "../loadstore/double_atomic_load_store.h" + + /* Returns nonzero if the comparison succeeded. */ + /* Really requires at least a Pentium. */ + AO_INLINE int + AO_compare_double_and_swap_double_full(volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_t dummy; /* an output for clobbered edx */ + char result; + + __asm__ __volatile__ ("lock; cmpxchg8b %0; setz %1" + : "+m" (*addr), "=a" (result), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "b" (new_val1) + : "memory"); + return (int) result; + } +# define AO_HAVE_compare_double_and_swap_double_full +# endif /* !AO_NO_CMPXCHG8B */ + +# define AO_T_IS_INT + +#else /* x64 */ + + AO_INLINE unsigned int + AO_int_fetch_and_add_full (volatile unsigned int *p, unsigned int incr) + { + unsigned int result; + + __asm__ __volatile__ ("lock; xaddl %0, %1" + : "=r" (result), "+m" (*p) + : "0" (incr) + : "memory"); + return result; + } +# define AO_HAVE_int_fetch_and_add_full + +# ifdef AO_CMPXCHG16B_AVAILABLE +# include "../standard_ao_double_t.h" + + /* Older AMD Opterons are missing this instruction (SIGILL should */ + /* be thrown in this case). */ + AO_INLINE int + AO_compare_double_and_swap_double_full (volatile AO_double_t *addr, + AO_t old_val1, AO_t old_val2, + AO_t new_val1, AO_t new_val2) + { + AO_t dummy; + char result; + + __asm__ __volatile__ ("lock; cmpxchg16b %0; setz %1" + : "+m" (*addr), "=a" (result), "=d" (dummy) + : "d" (old_val2), "a" (old_val1), + "c" (new_val2), "b" (new_val1) + : "memory"); + return (int) result; + } +# define AO_HAVE_compare_double_and_swap_double_full +# endif /* !AO_CMPXCHG16B_AVAILABLE */ + +#endif /* x64 */ + +/* Real X86 implementations, except for some old 32-bit WinChips, */ +/* appear to enforce ordering between memory operations, EXCEPT that */ +/* a later read can pass earlier writes, presumably due to the visible */ +/* presence of store buffers. */ +/* We ignore both the WinChips and the fact that the official specs */ +/* seem to be much weaker (and arguably too weak to be usable). */ +#include "../ordered_except_wr.h" diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h new file mode 100644 index 0000000000..606f7ac6b2 --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_ao_t.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * These are common definitions for architectures on which test_and_set + * operates on pointer-sized quantities, the "clear" value contains + * all zeroes, and the "set" value contains only one lowest bit set. + * This can be used if test_and_set is synthesized from compare_and_swap. + */ +typedef enum {AO_TS_clear = 0, AO_TS_set = 1} AO_TS_val; +#define AO_TS_VAL_t AO_TS_val +#define AO_TS_CLEAR AO_TS_clear +#define AO_TS_SET AO_TS_set + +#define AO_TS_t AO_t + +#define AO_AO_TS_T 1 diff --git a/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_char.h b/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_char.h new file mode 100644 index 0000000000..9eb250ccdd --- /dev/null +++ b/thirdparty/libatomic_ops/atomic_ops/sysdeps/test_and_set_t_is_char.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2004 Hewlett-Packard Development Company, L.P. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * These are common definitions for architectures on which test_and_set + * operates on byte sized quantities, the "clear" value contains + * all zeroes, and the "set" value contains all ones typically. + */ + +#ifndef AO_GCC_ATOMIC_TEST_AND_SET +# define AO_TS_SET_TRUEVAL 0xff +#elif defined(__GCC_ATOMIC_TEST_AND_SET_TRUEVAL) \ + && !defined(AO_PREFER_GENERALIZED) +# define AO_TS_SET_TRUEVAL __GCC_ATOMIC_TEST_AND_SET_TRUEVAL +#else +# define AO_TS_SET_TRUEVAL 1 /* true */ +#endif + +typedef enum { + AO_BYTE_TS_clear = 0, + AO_BYTE_TS_set = AO_TS_SET_TRUEVAL +} AO_BYTE_TS_val; + +#define AO_TS_VAL_t AO_BYTE_TS_val +#define AO_TS_CLEAR AO_BYTE_TS_clear +#define AO_TS_SET AO_BYTE_TS_set + +#define AO_TS_t unsigned char + +#define AO_CHAR_TS_T 1 + +#undef AO_TS_SET_TRUEVAL diff --git a/vlib/builtin/builtin_d_gcboehm.c.v b/vlib/builtin/builtin_d_gcboehm.c.v index fec2b0ef66..234ecc9d09 100644 --- a/vlib/builtin/builtin_d_gcboehm.c.v +++ b/vlib/builtin/builtin_d_gcboehm.c.v @@ -29,9 +29,8 @@ $if dynamic_boehm ? { } } } $else { - #flag -DGC_BUILTIN_ATOMIC=1 - $if macos || linux { + #flag -DGC_BUILTIN_ATOMIC=1 #flag -I @VEXEROOT/thirdparty/libgc/include $if (!macos && prod && !tinyc && !debug) || !(amd64 || arm64 || i386 || arm32) { // TODO: replace the architecture check with a `!$exists("@VEXEROOT/thirdparty/tcc/lib/libgc.a")` comptime call @@ -43,6 +42,7 @@ $if dynamic_boehm ? { #flag -lpthread } $else $if freebsd { // Tested on FreeBSD 13.0-RELEASE-p3, with clang, gcc and tcc: + #flag -DGC_BUILTIN_ATOMIC=1 #flag -DBUS_PAGE_FAULT=T_PAGEFLT $if !tinyc { #flag -I @VEXEROOT/thirdparty/libgc/include @@ -55,6 +55,7 @@ $if dynamic_boehm ? { } #flag -lpthread } $else $if openbsd { + #flag -DGC_BUILTIN_ATOMIC=1 #flag -I/usr/local/include #flag $first_existing("/usr/local/lib/libgc.a", "/usr/lib/libgc.a") #flag -lpthread @@ -62,16 +63,27 @@ $if dynamic_boehm ? { #flag -DGC_NOT_DLL=1 #flag -DGC_WIN32_THREADS=1 $if tinyc { + #flag -DGC_BUILTIN_ATOMIC=1 #flag -I @VEXEROOT/thirdparty/libgc/include #flag @VEXEROOT/thirdparty/tcc/lib/libgc.a #flag -luser32 + } $else $if msvc { + // Build libatomic_ops + #flag @VEXEROOT/thirdparty/libatomic_ops/atomic_ops.o + #flag -I @VEXEROOT/thirdparty/libatomic_ops + + #flag -I @VEXEROOT/thirdparty/libgc/include + #flag @VEXEROOT/thirdparty/libgc/gc.o } $else { + #flag -DGC_BUILTIN_ATOMIC=1 #flag -I @VEXEROOT/thirdparty/libgc/include #flag @VEXEROOT/thirdparty/libgc/gc.o } } $else $if $pkgconfig('bdw-gc') { + #flag -DGC_BUILTIN_ATOMIC=1 #pkgconfig bdw-gc } $else { + #flag -DGC_BUILTIN_ATOMIC=1 #flag -lgc } }