11cb0ef41Sopenharmony_ci// Copyright 2021 the V8 project authors. All rights reserved.
21cb0ef41Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be
31cb0ef41Sopenharmony_ci// found in the LICENSE file.
41cb0ef41Sopenharmony_ci
51cb0ef41Sopenharmony_ci#ifndef V8_CODEGEN_ATOMIC_MEMORY_ORDER_H_
61cb0ef41Sopenharmony_ci#define V8_CODEGEN_ATOMIC_MEMORY_ORDER_H_
71cb0ef41Sopenharmony_ci
81cb0ef41Sopenharmony_ci#include <ostream>
91cb0ef41Sopenharmony_ci
101cb0ef41Sopenharmony_ci#include "src/base/logging.h"
111cb0ef41Sopenharmony_ci
121cb0ef41Sopenharmony_cinamespace v8 {
131cb0ef41Sopenharmony_cinamespace internal {
141cb0ef41Sopenharmony_ci
151cb0ef41Sopenharmony_ci// Atomic memory orders supported by the compiler.
161cb0ef41Sopenharmony_cienum class AtomicMemoryOrder : uint8_t { kAcqRel, kSeqCst };
171cb0ef41Sopenharmony_ci
181cb0ef41Sopenharmony_ciinline size_t hash_value(AtomicMemoryOrder order) {
191cb0ef41Sopenharmony_ci  return static_cast<uint8_t>(order);
201cb0ef41Sopenharmony_ci}
211cb0ef41Sopenharmony_ci
221cb0ef41Sopenharmony_ciinline std::ostream& operator<<(std::ostream& os, AtomicMemoryOrder order) {
231cb0ef41Sopenharmony_ci  switch (order) {
241cb0ef41Sopenharmony_ci    case AtomicMemoryOrder::kAcqRel:
251cb0ef41Sopenharmony_ci      return os << "kAcqRel";
261cb0ef41Sopenharmony_ci    case AtomicMemoryOrder::kSeqCst:
271cb0ef41Sopenharmony_ci      return os << "kSeqCst";
281cb0ef41Sopenharmony_ci  }
291cb0ef41Sopenharmony_ci  UNREACHABLE();
301cb0ef41Sopenharmony_ci}
311cb0ef41Sopenharmony_ci
321cb0ef41Sopenharmony_ci}  // namespace internal
331cb0ef41Sopenharmony_ci}  // namespace v8
341cb0ef41Sopenharmony_ci
351cb0ef41Sopenharmony_ci#endif  // V8_CODEGEN_ATOMIC_MEMORY_ORDER_H_
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