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Issue 228613005: Introduced Atomic8 and added no-barrier Atomic8 accessors. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 months ago
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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 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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304 Atomic32 value = *ptr; 304 Atomic32 value = *ptr;
305 MemoryBarrier(); 305 MemoryBarrier();
306 return value; 306 return value;
307 } 307 }
308 308
309 inline Atomic32 Release_Load(volatile const Atomic32* ptr) { 309 inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
310 MemoryBarrier(); 310 MemoryBarrier();
311 return *ptr; 311 return *ptr;
312 } 312 }
313 313
314 // Byte accessors.
315
316 inline void NoBarrier_Store(volatile Atomic8* ptr, Atomic8 value) {
317 *ptr = value;
318 }
319
320 inline Atomic8 NoBarrier_Load(volatile const Atomic8* ptr) { return *ptr; }
321
314 } } // namespace v8::internal 322 } } // namespace v8::internal
315 323
316 #endif // V8_ATOMICOPS_INTERNALS_ARM_GCC_H_ 324 #endif // V8_ATOMICOPS_INTERNALS_ARM_GCC_H_
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