diff options
Diffstat (limited to 'arch/x86/lib/hash.c')
| -rw-r--r-- | arch/x86/lib/hash.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/lib/hash.c b/arch/x86/lib/hash.c index 3056702e81fb..060cc4415bd9 100644 --- a/arch/x86/lib/hash.c +++ b/arch/x86/lib/hash.c @@ -39,7 +39,11 @@ static inline u32 crc32_u32(u32 crc, u32 val) { +#ifdef CONFIG_AS_CRC32 asm ("crc32l %1,%0\n" : "+r" (crc) : "rm" (val)); +#else + asm (".byte 0xf2, 0x0f, 0x38, 0xf1, 0xc1" : "+a" (crc) : "c" (val)); +#endif return crc; } |