diff options
Diffstat (limited to 'src/internal/bytealg/equal_amd64.s')
| -rw-r--r-- | src/internal/bytealg/equal_amd64.s | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/internal/bytealg/equal_amd64.s b/src/internal/bytealg/equal_amd64.s index 6f12d2a169..dd46e2e0fd 100644 --- a/src/internal/bytealg/equal_amd64.s +++ b/src/internal/bytealg/equal_amd64.s @@ -7,7 +7,6 @@ // memequal(a, b unsafe.Pointer, size uintptr) bool TEXT runtime·memequal<ABIInternal>(SB),NOSPLIT,$0-25 -#ifdef GOEXPERIMENT_regabiargs // AX = a (want in SI) // BX = b (want in DI) // CX = size (want in BX) @@ -20,22 +19,9 @@ neq: MOVQ BX, DI MOVQ CX, BX JMP memeqbody<>(SB) -#else - MOVQ a+0(FP), SI - MOVQ b+8(FP), DI - CMPQ SI, DI - JEQ eq - MOVQ size+16(FP), BX - LEAQ ret+24(FP), AX - JMP memeqbody<>(SB) -eq: - MOVB $1, ret+24(FP) - RET -#endif // memequal_varlen(a, b unsafe.Pointer) bool TEXT runtime·memequal_varlen<ABIInternal>(SB),NOSPLIT,$0-17 -#ifdef GOEXPERIMENT_regabiargs // AX = a (want in SI) // BX = b (want in DI) // 8(DX) = size (want in BX) @@ -48,29 +34,13 @@ neq: MOVQ BX, DI MOVQ 8(DX), BX // compiler stores size at offset 8 in the closure JMP memeqbody<>(SB) -#else - MOVQ a+0(FP), SI - MOVQ b+8(FP), DI - CMPQ SI, DI - JEQ eq - MOVQ 8(DX), BX // compiler stores size at offset 8 in the closure - LEAQ ret+16(FP), AX - JMP memeqbody<>(SB) -eq: - MOVB $1, ret+16(FP) - RET -#endif // Input: // a in SI // b in DI // count in BX -#ifndef GOEXPERIMENT_regabiargs -// address of result byte in AX -#else // Output: // result in AX -#endif TEXT memeqbody<>(SB),NOSPLIT,$0-0 CMPQ BX, $8 JB small @@ -104,11 +74,7 @@ hugeloop: SUBQ $64, BX CMPL DX, $0xffff JEQ hugeloop -#ifdef GOEXPERIMENT_regabiargs XORQ AX, AX // return 0 -#else - MOVB $0, (AX) -#endif RET // 64 bytes at a time using ymm registers @@ -129,11 +95,7 @@ hugeloop_avx2: CMPL DX, $0xffffffff JEQ hugeloop_avx2 VZEROUPPER -#ifdef GOEXPERIMENT_regabiargs XORQ AX, AX // return 0 -#else - MOVB $0, (AX) -#endif RET bigloop_avx2: @@ -150,11 +112,7 @@ bigloop: SUBQ $8, BX CMPQ CX, DX JEQ bigloop -#ifdef GOEXPERIMENT_regabiargs XORQ AX, AX // return 0 -#else - MOVB $0, (AX) -#endif RET // remaining 0-8 bytes @@ -162,11 +120,7 @@ leftover: MOVQ -8(SI)(BX*1), CX MOVQ -8(DI)(BX*1), DX CMPQ CX, DX -#ifdef GOEXPERIMENT_regabiargs SETEQ AX -#else - SETEQ (AX) -#endif RET small: @@ -201,10 +155,5 @@ di_finish: SUBQ SI, DI SHLQ CX, DI equal: -#ifdef GOEXPERIMENT_regabiargs SETEQ AX -#else - SETEQ (AX) -#endif RET - |