blob: 8c6a1cc7809ac6a94a81c753009382e53d8842e6 [file] [log] [blame]
// 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"
// See memclrNoHeapPointers Go doc for important implementation constraints.
// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
TEXT runtime·memclrNoHeapPointers(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