1// Copyright 2018 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5#include "textflag.h" 6 7// See memclrNoHeapPointers Go doc for important implementation constraints. 8 9// func memclrNoHeapPointers(ptr unsafe.Pointer, n uintptr) 10TEXT runtime·memclrNoHeapPointers(SB), NOSPLIT, $0-16 11 MOVD ptr+0(FP), R0 12 MOVD n+8(FP), R1 13 14loop: 15 Loop 16 Get R1 17 I64Eqz 18 If 19 RET 20 End 21 22 Get R0 23 I32WrapI64 24 I64Const $0 25 I64Store8 $0 26 27 Get R0 28 I64Const $1 29 I64Add 30 Set R0 31 32 Get R1 33 I64Const $1 34 I64Sub 35 Set R1 36 37 Br loop 38 End 39 UNDEF 40