| // Copyright 2018 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 |
| MOVD ptr+0(FP), R0 |
| MOVD n+8(FP), R1 |
| |
| loop: |
| Loop |
| Get R1 |
| I64Eqz |
| If |
| RET |
| End |
| |
| Get R0 |
| I32WrapI64 |
| I64Const $0 |
| I64Store8 $0 |
| |
| Get R0 |
| I64Const $1 |
| I64Add |
| Set R0 |
| |
| Get R1 |
| I64Const $1 |
| I64Sub |
| Set R1 |
| |
| Br loop |
| End |
| UNDEF |
