// Copyright 2009 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 "runtime.h" #pragma textflag 7 uint32 runtime·atomicload(uint32 volatile* addr) { return *addr; } #pragma textflag 7 void* runtime·atomicloadp(void* volatile* addr) { return *addr; } #pragma textflag 7 uint64 runtime·xadd64(uint64 volatile* addr, int64 v) { uint64 old; old = *addr; while(!runtime·cas64(addr, &old, old+v)) { // nothing } return old+v; }