cosmopolitan/libc/intrin/bsf.h
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

16 lines
430 B
C

#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_
COSMOPOLITAN_C_START_
int _bsf(int) pureconst;
int _bsfl(long) pureconst;
int _bsfll(long long) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define _bsf(x) __builtin_ctz(x)
#define _bsfl(x) __builtin_ctzl(x)
#define _bsfll(x) __builtin_ctzll(x)
#endif
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ */