| author | Rich Felker <dalias@aerifal.cx> | 2017年10月25日 11:54:16 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2017年10月25日 11:54:16 -0400 |
| commit | 1b9406b03c0a94ebe2076a8fc1746a8c45e78a83 (patch) | |
| tree | 8d43d52b66eeffb1f2f887a06b0bb41d385c9861 | |
| parent | ec04d122f1182aeb91f39b0e80ae40c68e4d9605 (diff) | |
| download | musl-1b9406b03c0a94ebe2076a8fc1746a8c45e78a83.tar.gz | |
| -rw-r--r-- | arch/arm/atomic_arch.h | 4 |
diff --git a/arch/arm/atomic_arch.h b/arch/arm/atomic_arch.h index a121010f..c5c56f81 100644 --- a/arch/arm/atomic_arch.h +++ b/arch/arm/atomic_arch.h @@ -82,9 +82,13 @@ static inline void a_crash() : : : "memory"); } +#if __ARM_ARCH >= 5 + #define a_clz_32 a_clz_32 static inline int a_clz_32(uint32_t x) { __asm__ ("clz %0, %1" : "=r"(x) : "r"(x)); return x; } + +#endif |