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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_COMMON_PTR_COMPR_H_
#define V8_COMMON_PTR_COMPR_H_
#include "src/common/globals.h"
#if V8_TARGET_ARCH_64_BIT
namespace v8 {
namespace internal {
// See v8:7703 for details about how pointer compression works.
constexpr size_t kPtrComprHeapReservationSize = size_t{4} * GB;
constexpr size_t kPtrComprIsolateRootBias = kPtrComprHeapReservationSize / 2;
constexpr size_t kPtrComprIsolateRootAlignment = size_t{4} * GB;
} // namespace internal
} // namespace v8
#endif // V8_TARGET_ARCH_64_BIT
#endif // V8_COMMON_PTR_COMPR_H_