// 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)