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vfmt: fix asm volatile & goto (#9688)

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This commit is contained in:
Louis Schmieder 2021-04-11 22:32:28 +02:00 committed by GitHub
parent a851901620
commit 273655ecc8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 17 additions and 9 deletions
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14
vlib/builtin/linux_bare/linuxsys_bare.v
View File

@ -228,7 +228,7 @@ pub enum Map_flags {
fn sys_call0(scn u64) u64 {
res := u64(0)
asm amd64 {
syscall
syscall
; =a (res)
; a (scn)
}
@ -238,7 +238,7 @@ fn sys_call0(scn u64) u64 {
fn sys_call1(scn u64, arg1 u64) u64 {
res := u64(0)
asm amd64 {
syscall
syscall
; =a (res)
; a (scn)
D (arg1)
@ -249,7 +249,7 @@ fn sys_call1(scn u64, arg1 u64) u64 {
fn sys_call2(scn u64, arg1 u64, arg2 u64) u64 {
res := u64(0)
asm amd64 {
syscall
syscall
; =a (res)
; a (scn)
D (arg1)
@ -261,7 +261,7 @@ fn sys_call2(scn u64, arg1 u64, arg2 u64) u64 {
fn sys_call3(scn u64, arg1 u64, arg2 u64, arg3 u64) u64 {
res := u64(0)
asm amd64 {
syscall
syscall
; =a (res)
; a (scn)
D (arg1)
@ -275,7 +275,7 @@ fn sys_call4(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64) u64 {
res := u64(0)
asm amd64 {
mov r10, arg4
syscall
syscall
; =a (res)
; a (scn)
D (arg1)
@ -292,7 +292,7 @@ fn sys_call5(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64) u64 {
asm amd64 {
mov r10, arg4
mov r8, arg5
syscall
syscall
; =a (res)
; a (scn)
D (arg1)
@ -312,7 +312,7 @@ fn sys_call6(scn u64, arg1 u64, arg2 u64, arg3 u64, arg4 u64, arg5 u64, arg6 u64
mov r10, arg4
mov r8, arg5
mov r9, arg6
syscall
syscall
; =a (res)
; a (scn)
D (arg1)

12
vlib/v/fmt/fmt.v
View File

@ -668,7 +668,13 @@ fn expr_is_single_line(expr ast.Expr) bool {
//=== Specific Stmt methods ===//
fn (mut f Fmt) asm_stmt(stmt ast.AsmStmt) {
f.writeln('asm $stmt.arch {')
f.write('asm ')
if stmt.is_volatile {
f.write('volatile ')
} else if stmt.is_goto {
f.write('goto ')
}
f.writeln('$stmt.arch {')
f.indent++
for template in stmt.templates {
if template.is_directive {
@ -678,7 +684,9 @@ fn (mut f Fmt) asm_stmt(stmt ast.AsmStmt) {
if template.is_label {
f.write(':')
} else {
f.write(' ')
if template.args.len > 0 {
f.write(' ')
}
}
for i, arg in template.args {
f.asm_arg(arg)