diff options
Diffstat (limited to 'src/internal/bytealg/compare_amd64.s')
| -rw-r--r-- | src/internal/bytealg/compare_amd64.s | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/src/internal/bytealg/compare_amd64.s b/src/internal/bytealg/compare_amd64.s index 8295acb03a..4ccaca5e87 100644 --- a/src/internal/bytealg/compare_amd64.s +++ b/src/internal/bytealg/compare_amd64.s @@ -6,7 +6,6 @@ #include "textflag.h" TEXT ·Compare<ABIInternal>(SB),NOSPLIT,$0-56 -#ifdef GOEXPERIMENT_regabiargs // AX = a_base (want in SI) // BX = a_len (want in BX) // CX = a_cap (unused) @@ -15,17 +14,9 @@ TEXT ·Compare<ABIInternal>(SB),NOSPLIT,$0-56 // R8 = b_cap (unused) MOVQ SI, DX MOVQ AX, SI -#else - MOVQ a_base+0(FP), SI - MOVQ a_len+8(FP), BX - MOVQ b_base+24(FP), DI - MOVQ b_len+32(FP), DX - LEAQ ret+48(FP), R9 -#endif JMP cmpbody<>(SB) TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT,$0-40 -#ifdef GOEXPERIMENT_regabiargs // AX = a_base (want in SI) // BX = a_len (want in BX) // CX = b_base (want in DI) @@ -33,13 +24,6 @@ TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT,$0-40 MOVQ AX, SI MOVQ DI, DX MOVQ CX, DI -#else - MOVQ a_base+0(FP), SI - MOVQ a_len+8(FP), BX - MOVQ b_base+16(FP), DI - MOVQ b_len+24(FP), DX - LEAQ ret+32(FP), R9 -#endif JMP cmpbody<>(SB) // input: @@ -47,12 +31,8 @@ TEXT runtime·cmpstring<ABIInternal>(SB),NOSPLIT,$0-40 // DI = b // BX = alen // DX = blen -#ifndef GOEXPERIMENT_regabiargs -// R9 = address of output word (stores -1/0/1 here) -#else // output: // AX = output (-1/0/1) -#endif TEXT cmpbody<>(SB),NOSPLIT,$0-0 CMPQ SI, DI JEQ allsame @@ -100,9 +80,6 @@ diff16: CMPB CX, (DI)(BX*1) SETHI AX LEAQ -1(AX*2), AX // convert 1/0 to +1/-1 -#ifndef GOEXPERIMENT_regabiargs - MOVQ AX, (R9) -#endif RET // 0 through 16 bytes left, alen>=8, blen>=8 @@ -128,9 +105,6 @@ diff8: SHRQ CX, AX // move a's bit to bottom ANDQ $1, AX // mask bit LEAQ -1(AX*2), AX // 1/0 => +1/-1 -#ifndef GOEXPERIMENT_regabiargs - MOVQ AX, (R9) -#endif RET // 0-7 bytes in common @@ -169,9 +143,6 @@ di_finish: SHRQ CX, SI // move a's bit to bottom ANDQ $1, SI // mask bit LEAQ -1(SI*2), AX // 1/0 => +1/-1 -#ifndef GOEXPERIMENT_regabiargs - MOVQ AX, (R9) -#endif RET allsame: @@ -181,9 +152,6 @@ allsame: SETGT AX // 1 if alen > blen SETEQ CX // 1 if alen == blen LEAQ -1(CX)(AX*2), AX // 1,0,-1 result -#ifndef GOEXPERIMENT_regabiargs - MOVQ AX, (R9) -#endif RET // this works for >= 64 bytes of data. |