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// 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;
}
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