diff options
Diffstat (limited to 'arch/x86/crypto/crc32c-intel_glue.c')
| -rw-r--r-- | arch/x86/crypto/crc32c-intel_glue.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/crypto/crc32c-intel_glue.c b/arch/x86/crypto/crc32c-intel_glue.c index d2d069bd459b..feccb5254c7e 100644 --- a/arch/x86/crypto/crc32c-intel_glue.c +++ b/arch/x86/crypto/crc32c-intel_glue.c @@ -28,9 +28,9 @@ #define SCALE_F sizeof(unsigned long) #ifdef CONFIG_X86_64 -#define REX_PRE "0x48, " +#define CRC32_INST "crc32q %1, %q0" #else -#define REX_PRE +#define CRC32_INST "crc32l %1, %0" #endif #ifdef CONFIG_X86_64 @@ -48,11 +48,8 @@ asmlinkage unsigned int crc_pcl(const u8 *buffer, int len, static u32 crc32c_intel_le_hw_byte(u32 crc, unsigned char const *data, size_t length) { while (length--) { - __asm__ __volatile__( - ".byte 0xf2, 0xf, 0x38, 0xf0, 0xf1" - :"=S"(crc) - :"0"(crc), "c"(*data) - ); + asm("crc32b %1, %0" + : "+r" (crc) : "rm" (*data)); data++; } @@ -66,11 +63,8 @@ static u32 __pure crc32c_intel_le_hw(u32 crc, unsigned char const *p, size_t len unsigned long *ptmp = (unsigned long *)p; while (iquotient--) { - __asm__ __volatile__( - ".byte 0xf2, " REX_PRE "0xf, 0x38, 0xf1, 0xf1;" - :"=S"(crc) - :"0"(crc), "c"(*ptmp) - ); + asm(CRC32_INST + : "+r" (crc) : "rm" (*ptmp)); ptmp++; } |