diff options
Diffstat (limited to 'src/runtime/memclr_plan9_amd64.s')
| -rw-r--r-- | src/runtime/memclr_plan9_amd64.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/runtime/memclr_plan9_amd64.s b/src/runtime/memclr_plan9_amd64.s new file mode 100644 index 000000000..37e61dfbc --- /dev/null +++ b/src/runtime/memclr_plan9_amd64.s @@ -0,0 +1,21 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// void runtime·memclr(void*, uintptr) +TEXT runtime·memclr(SB),NOSPLIT,$0-16 + MOVQ ptr+0(FP), DI + MOVQ n+8(FP), CX + MOVQ CX, BX + ANDQ $7, BX + SHRQ $3, CX + MOVQ $0, AX + CLD + REP + STOSQ + MOVQ BX, CX + REP + STOSB + RET |