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Match __builtin_ctzl/__builtin_ctzll signatures

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make sure input/output args match original functions from clang/gcc
This commit is contained in:
Pavel P 2023-01-17 04:39:37 +03:00 committed by Hans Kristian Rosbach
parent 41a5e00e7c
commit 147dd9f0e9
1 changed files with 6 additions and 6 deletions
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12
fallback_builtins.h
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@ -12,16 +12,16 @@
/* This is not a general purpose replacement for __builtin_ctz. The function expects that value is != 0
* Because of that assumption trailing_zero is not initialized and the return value of _BitScanForward is not checked
*/
static __forceinline unsigned long __builtin_ctz(uint32_t value) {
static __forceinline int __builtin_ctz(unsigned int value) {
#ifdef X86_FEATURES
# ifndef X86_NOCHECK_TZCNT
if (x86_cpu_has_tzcnt)
# endif
return _tzcnt_u32(value);
return (int)_tzcnt_u32(value);
#endif
unsigned long trailing_zero;
_BitScanForward(&trailing_zero, value);
return trailing_zero;
return (int)trailing_zero;
}
#define HAVE_BUILTIN_CTZ
@ -29,16 +29,16 @@ static __forceinline unsigned long __builtin_ctz(uint32_t value) {
/* This is not a general purpose replacement for __builtin_ctzll. The function expects that value is != 0
* Because of that assumption trailing_zero is not initialized and the return value of _BitScanForward64 is not checked
*/
static __forceinline unsigned long long __builtin_ctzll(uint64_t value) {
static __forceinline int __builtin_ctzll(unsigned long long value) {
#ifdef X86_FEATURES
# ifndef X86_NOCHECK_TZCNT
if (x86_cpu_has_tzcnt)
# endif
return _tzcnt_u64(value);
return (int)_tzcnt_u64(value);
#endif
unsigned long trailing_zero;
_BitScanForward64(&trailing_zero, value);
return trailing_zero;
return (int)trailing_zero;
}
#define HAVE_BUILTIN_CTZLL
#endif // Microsoft AMD64