diff options
Diffstat (limited to 'src/common/tuklib_integer.h')
| -rw-r--r-- | src/common/tuklib_integer.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/common/tuklib_integer.h b/src/common/tuklib_integer.h index aee1ad0d..24d9efb1 100644 --- a/src/common/tuklib_integer.h +++ b/src/common/tuklib_integer.h @@ -742,10 +742,10 @@ ctz32(uint32_t n) #if defined(__INTEL_COMPILER) return _bit_scan_forward(n); -#elif TUKLIB_GNUC_REQ(3, 4) && UINT_MAX >= UINT32_MAX +#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX >= UINT32_MAX return (uint32_t)__builtin_ctz(n); -#elif (TUKLIB_GNUC_REQ(3, 4) || defined(__clang__)) && UINT_MAX == UINT32_MAX +#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) uint32_t i; __asm__("bsfl %1, %0" : "=r" (i) : "rm" (n)); return i; |