mirror of https://go.googlesource.com/go
24 lines
511 B
ArmAsm
24 lines
511 B
ArmAsm
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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#include "textflag.h"
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// See memclrNoHeapPointers Go doc for important implementation constraints.
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// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr)
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TEXT runtime·memclrNoHeapPointers(SB),NOSPLIT,$0-16
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MOVQ ptr+0(FP), DI
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MOVQ n+8(FP), CX
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MOVQ CX, BX
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ANDQ $7, BX
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SHRQ $3, CX
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MOVQ $0, AX
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CLD
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REP
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STOSQ
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MOVQ BX, CX
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REP
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STOSB
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RET
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