#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ #define COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ #if !(__ASSEMBLER__ + __LINKER__ + 0) COSMOPOLITAN_C_START_ int _bsf(int) pureconst; int _bsfl(long) pureconst; int _bsfll(long long) pureconst; int _bsf128(uintmax_t) pureconst; #if defined(__GNUC__) && !defined(__STRICT_ANSI__) #define _bsf(u) \ ({ \ unsigned BiTs; \ asm("bsf\t%0,%0" : "=r"(BiTs) : "0"((unsigned)(u)) : "cc"); \ BiTs; \ }) #define _bsfl(u) \ ({ \ unsigned long BiTs; \ asm("bsf\t%0,%0" : "=r"(BiTs) : "0"((unsigned long)(u)) : "cc"); \ (unsigned)BiTs; \ }) #define _bsfll(u) _bsfl(u) #endif COSMOPOLITAN_C_END_ #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */ #endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ */