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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // This file is an internal atomic implementation, use atomicops.h instead. | 5 // This file is an internal atomic implementation, use atomicops.h instead. |
| 6 | 6 |
| 7 #ifndef V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ | 7 #ifndef V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ |
| 8 #define V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ | 8 #define V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ |
| 9 | 9 |
| 10 #include "base/macros.h" | 10 #include "src/base/macros.h" |
| 11 #include "win32-headers.h" | 11 #include "src/win32-headers.h" |
| 12 | 12 |
| 13 #if defined(V8_HOST_ARCH_64_BIT) | 13 #if defined(V8_HOST_ARCH_64_BIT) |
| 14 // windows.h #defines this (only on x64). This causes problems because the | 14 // windows.h #defines this (only on x64). This causes problems because the |
| 15 // public API also uses MemoryBarrier at the public name for this fence. So, on | 15 // public API also uses MemoryBarrier at the public name for this fence. So, on |
| 16 // X64, undef it, and call its documented | 16 // X64, undef it, and call its documented |
| 17 // (http://msdn.microsoft.com/en-us/library/windows/desktop/ms684208.aspx) | 17 // (http://msdn.microsoft.com/en-us/library/windows/desktop/ms684208.aspx) |
| 18 // implementation directly. | 18 // implementation directly. |
| 19 #undef MemoryBarrier | 19 #undef MemoryBarrier |
| 20 #endif | 20 #endif |
| 21 | 21 |
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| 193 Atomic64 new_value) { | 193 Atomic64 new_value) { |
| 194 return NoBarrier_CompareAndSwap(ptr, old_value, new_value); | 194 return NoBarrier_CompareAndSwap(ptr, old_value, new_value); |
| 195 } | 195 } |
| 196 | 196 |
| 197 | 197 |
| 198 #endif // defined(_WIN64) | 198 #endif // defined(_WIN64) |
| 199 | 199 |
| 200 } } // namespace v8::internal | 200 } } // namespace v8::internal |
| 201 | 201 |
| 202 #endif // V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ | 202 #endif // V8_ATOMICOPS_INTERNALS_X86_MSVC_H_ |
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