iposva@google.com
55357d2993
be executed in generated code. R=koda@google.com, zra@google.com Review URL: https://codereview.chromium.org//677193002 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@41332 260f80e4-7a28-3924-810f-c04153c831b5
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef VM_ATOMIC_WIN_H_
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#define VM_ATOMIC_WIN_H_
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#if !defined VM_ATOMIC_H_
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#error Do not include atomic_win.h directly. Use atomic.h instead.
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#endif
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#if !defined(TARGET_OS_WINDOWS)
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#error This file should only be included on Windows builds.
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#endif
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namespace dart {
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inline uintptr_t AtomicOperations::FetchAndIncrement(uintptr_t* p) {
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#if defined(TARGET_ARCH_X64)
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return static_cast<uintptr_t>(
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InterlockedIncrement64(reinterpret_cast<LONGLONG*>(p))) - 1;
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#elif defined(TARGET_ARCH_IA32)
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return static_cast<uintptr_t>(
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InterlockedIncrement(reinterpret_cast<LONG*>(p))) - 1;
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#else
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UNIMPLEMENTED();
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#endif
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}
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#if !defined(USING_SIMULATOR)
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inline uword AtomicOperations::CompareAndSwapWord(uword* ptr,
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uword old_value,
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uword new_value) {
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#if defined(TARGET_ARCH_X64)
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return static_cast<uword>(
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InterlockedCompareExchange64(reinterpret_cast<LONGLONG*>(ptr),
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static_cast<LONGLONG>(new_value),
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static_cast<LONGLONG>(old_value)));
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#elif defined(TARGET_ARCH_IA32)
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return static_cast<uword>(
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InterlockedCompareExchange(reinterpret_cast<LONG*>(ptr),
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static_cast<LONG>(new_value),
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static_cast<LONG>(old_value)));
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#else
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UNIMPLEMENTED();
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#endif
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}
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#endif // !defined(USING_SIMULATOR)
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} // namespace dart
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#endif // VM_ATOMIC_WIN_H_
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