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vlib: inline certain functions

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joe-conigliaro 2019-09-18 22:45:32 +10:00 committed by Alexander Medvednikov
parent 695d4018ea
commit f187c35fb2
2 changed files with 16 additions and 1 deletions
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13
vlib/encoding/binary/binary.v
View File

@ -6,23 +6,26 @@ module binary
// Little Endian
[inline]
pub fn little_endian_endian_u16(b []byte) u16 {
_ := b[1] // bounds check
return u16(b[0]) | u16(u16(b[1])<<u16(8))
}
[inline]
pub fn little_endian_put_u16(b mut []byte, v u16) {
_ := b[1] // bounds check
b[0] = byte(v)
b[1] = byte(v >> u16(8))
}
[inline]
pub fn little_endian_u32(b []byte) u32 {
_ := b[3] // bounds check
return u32(b[0]) | u32(u32(b[1])<<u32(8)) | u32(u32(b[2])<<u32(16)) | u32(u32(b[3])<<u32(24))
}
[inline]
pub fn little_endian_put_u32(b mut []byte, v u32) {
_ := b[3] // bounds check
b[0] = byte(v)
@ -31,12 +34,14 @@ pub fn little_endian_put_u32(b mut []byte, v u32) {
b[3] = byte(v >> u32(24))
}
[inline]
pub fn little_endian_u64(b []byte) u64 {
_ := b[7] // bounds check
return u64(b[0]) | u64(u64(b[1])<<u64(8)) | u64(u64(b[2])<<u64(16)) | u64(u64(b[3])<<u64(24)) |
u64(u64(b[4])<<u64(32)) | u64(u64(b[5])<<u64(40)) | u64(u64(b[6])<<u64(48)) | u64(u64(b[7])<<u64(56))
}
[inline]
pub fn little_endian_put_u64(b mut []byte, v u64) {
_ := b[7] // bounds check
b[0] = byte(v)
@ -50,22 +55,26 @@ pub fn little_endian_put_u64(b mut []byte, v u64) {
}
// Big Endian
[inline]
pub fn big_endian_u16(b []byte) u16 {
_ := b[1] // bounds check
return u16(b[1]) | u16(u16(b[0])<<u16(8))
}
[inline]
pub fn big_endian_put_u16(b mut []byte, v u16) {
_ := b[1] // bounds check
b[0] = byte(v >> u16(8))
b[1] = byte(v)
}
[inline]
pub fn big_endian_u32(b []byte) u32 {
_ := b[3] // bounds check
return u32(b[3]) | u32(u32(b[2])<<u32(8)) | u32(u32(b[1])<<u32(16)) | u32(u32(b[0])<<u32(24))
}
[inline]
pub fn big_endian_put_u32(b mut []byte, v u32) {
_ := b[3] // bounds check
b[0] = byte(v >> u32(24))
@ -74,12 +83,14 @@ pub fn big_endian_put_u32(b mut []byte, v u32) {
b[3] = byte(v)
}
[inline]
pub fn big_endian_u64(b []byte) u64 {
_ := b[7] // bounds check
return u64(b[7]) | u64(u64(b[6])<<u64(8)) | u64(u64(b[5])<<u64(16)) | u64(u64(b[4])<<u64(24)) |
u64(u64(b[3])<<u64(32)) | u64(u64(b[2])<<u64(40)) | u64(u64(b[1])<<u64(48)) | u64(u64(b[0])<<u64(56))
}
[inline]
pub fn big_endian_put_u64(b mut []byte, v u64) {
_ := b[7] // bounds check
b[0] = byte(v >> u64(56))

4
vlib/math/bits/bits.v
View File

@ -10,6 +10,7 @@ module bits
// To rotate x right by k bits, call rotate_left_8(x, -k).
//
// This function's execution time does not depend on the inputs.
[inline]
pub fn rotate_left_8(x byte, k int) byte {
n := byte(8)
s := byte(k) & byte(n - byte(1))
@ -20,6 +21,7 @@ pub fn rotate_left_8(x byte, k int) byte {
// To rotate x right by k bits, call rotate_left_16(x, -k).
//
// This function's execution time does not depend on the inputs.
[inline]
pub fn rotate_left_16(x u16, k int) u16 {
n := u16(16)
s := u16(k) & (n - u16(1))
@ -30,6 +32,7 @@ pub fn rotate_left_16(x u16, k int) u16 {
// To rotate x right by k bits, call rotate_left_32(x, -k).
//
// This function's execution time does not depend on the inputs.
[inline]
pub fn rotate_left_32(x u32, k int) u32 {
n := u32(32)
s := u32(k) & (n - u32(1))
@ -40,6 +43,7 @@ pub fn rotate_left_32(x u32, k int) u32 {
// To rotate x right by k bits, call rotate_left_64(x, -k).
//
// This function's execution time does not depend on the inputs.
[inline]
pub fn rotate_left_64(x u64, k int) u64 {
n := u64(64)
s := u64(k) & (n - u64(1))