| // Copyright 2015 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" | |
| // TODO(minux): this is only valid for ARMv6+ | |
| // bool armcas(int32 *val, int32 old, int32 new) | |
| // Atomically: | |
| // if(*val == old){ | |
| // *val = new; | |
| // return 1; | |
| // }else | |
| // return 0; | |
| TEXT runtime∕internal∕atomic·Cas(SB),NOSPLIT,$0 | |
| B runtime∕internal∕atomic·armcas(SB) | |
| TEXT runtime∕internal∕atomic·Casp1(SB),NOSPLIT,$0 | |
| B runtime∕internal∕atomic·Cas(SB) |