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annotate lib/Support/Unix/RWMutex.inc @ 20:a5b470e0d09d

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set FastCC(Calling Convention) when the function is code segment and set GuaranteedTailCallOpt. but llvm still output not jmp but call...
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Sun, 06 Oct 2013 18:16:15 +0900
parents 9ad51c7bc036
children 54457678186b
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1 //= llvm/Support/Unix/RWMutex.inc - Unix Reader/Writer Mutual Exclusion Lock =//
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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 implements the Unix specific (non-pthread) RWMutex class.
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11 //
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12 //===----------------------------------------------------------------------===//
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14 //===----------------------------------------------------------------------===//
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15 //=== WARNING: Implementation here must contain only generic UNIX code that
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16 //=== is guaranteed to work on *all* UNIX variants.
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17 //===----------------------------------------------------------------------===//
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19 namespace llvm {
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21 using namespace sys;
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23 RWMutexImpl::RWMutexImpl() { }
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25 RWMutexImpl::~RWMutexImpl() { }
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27 bool RWMutexImpl::reader_acquire() {
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28 return true;
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29 }
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31 bool RWMutexImpl::reader_release() {
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32 return true;
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33 }
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35 bool RWMutexImpl::writer_acquire() {
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36 return true;
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37 }
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39 bool RWMutexImpl::writer_release() {
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40 return true;
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41 }
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43 }