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annotate include/llvm/Support/Atomic.h @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 1172e4bd9c6f
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1 //===- llvm/Support/Atomic.h - Atomic Operations -----------------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file declares the llvm::sys atomic operations.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #ifndef LLVM_SUPPORT_ATOMIC_H
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15 #define LLVM_SUPPORT_ATOMIC_H
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16
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17 #include "llvm/Support/DataTypes.h"
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18
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19 namespace llvm {
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20 namespace sys {
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21 void MemoryFence();
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22
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23 #ifdef _MSC_VER
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24 typedef long cas_flag;
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25 #else
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26 typedef uint32_t cas_flag;
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27 #endif
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28 cas_flag CompareAndSwap(volatile cas_flag* ptr,
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29 cas_flag new_value,
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30 cas_flag old_value);
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31 cas_flag AtomicIncrement(volatile cas_flag* ptr);
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32 cas_flag AtomicDecrement(volatile cas_flag* ptr);
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33 cas_flag AtomicAdd(volatile cas_flag* ptr, cas_flag val);
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34 cas_flag AtomicMul(volatile cas_flag* ptr, cas_flag val);
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35 cas_flag AtomicDiv(volatile cas_flag* ptr, cas_flag val);
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36 }
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37 }
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38
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39 #endif