diff options
Diffstat (limited to 'src/runtime/memmove_amd64.s')
| -rw-r--r-- | src/runtime/memmove_amd64.s | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/src/runtime/memmove_amd64.s b/src/runtime/memmove_amd64.s index 24c6529f58..fa0c0e414f 100644 --- a/src/runtime/memmove_amd64.s +++ b/src/runtime/memmove_amd64.s @@ -34,18 +34,12 @@ // func memmove(to, from unsafe.Pointer, n uintptr) // ABIInternal for performance. TEXT runtime·memmove<ABIInternal>(SB), NOSPLIT, $0-24 -#ifdef GOEXPERIMENT_regabiargs // AX = to // BX = from // CX = n MOVQ AX, DI MOVQ BX, SI MOVQ CX, BX -#else - MOVQ to+0(FP), DI - MOVQ from+8(FP), SI - MOVQ n+16(FP), BX -#endif // REP instructions have a high startup cost, so we handle small sizes // with some straightline code. The REP MOVSQ instruction is really fast @@ -254,10 +248,8 @@ move_129through256: MOVOU X13, -48(DI)(BX*1) MOVOU X14, -32(DI)(BX*1) MOVOU X15, -16(DI)(BX*1) -#ifdef GOEXPERIMENT_regabig // X15 must be zero on return PXOR X15, X15 -#endif RET move_256through2048: SUBQ $256, BX @@ -297,10 +289,8 @@ move_256through2048: LEAQ 256(SI), SI LEAQ 256(DI), DI JGE move_256through2048 -#ifdef GOEXPERIMENT_regabig // X15 must be zero on return PXOR X15, X15 -#endif JMP tail avxUnaligned: |