diff options
Diffstat (limited to 'src/internal/bytealg/equal_amd64.s')
| -rw-r--r-- | src/internal/bytealg/equal_amd64.s | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/internal/bytealg/equal_amd64.s b/src/internal/bytealg/equal_amd64.s index dd46e2e0fd..d178a33779 100644 --- a/src/internal/bytealg/equal_amd64.s +++ b/src/internal/bytealg/equal_amd64.s @@ -3,6 +3,7 @@ // license that can be found in the LICENSE file. #include "go_asm.h" +#include "asm_amd64.h" #include "textflag.h" // memequal(a, b unsafe.Pointer, size uintptr) bool @@ -46,6 +47,7 @@ TEXT memeqbody<>(SB),NOSPLIT,$0-0 JB small CMPQ BX, $64 JB bigloop +#ifndef hasAVX2 CMPB internal∕cpu·X86+const_offsetX86HasAVX2(SB), $1 JE hugeloop_avx2 @@ -76,6 +78,7 @@ hugeloop: JEQ hugeloop XORQ AX, AX // return 0 RET +#endif // 64 bytes at a time using ymm registers hugeloop_avx2: |