1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "DFGToFTLDeferredCompilationCallback.h" 28 29#if ENABLE(FTL_JIT) 30 31#include "CodeBlock.h" 32#include "DFGJITCode.h" 33#include "Executable.h" 34#include "JSCInlines.h" 35 36namespace JSC { namespace DFG { 37 38ToFTLDeferredCompilationCallback::ToFTLDeferredCompilationCallback( 39 PassRefPtr<CodeBlock> dfgCodeBlock) 40 : m_dfgCodeBlock(dfgCodeBlock) 41{ 42} 43 44ToFTLDeferredCompilationCallback::~ToFTLDeferredCompilationCallback() { } 45 46PassRefPtr<ToFTLDeferredCompilationCallback> ToFTLDeferredCompilationCallback::create( 47 PassRefPtr<CodeBlock> dfgCodeBlock) 48{ 49 return adoptRef(new ToFTLDeferredCompilationCallback(dfgCodeBlock)); 50} 51 52void ToFTLDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously( 53 CodeBlock* codeBlock) 54{ 55 if (Options::verboseOSR()) { 56 dataLog( 57 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock, 58 ") did become ready.\n"); 59 } 60 61 m_dfgCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently( 62 m_dfgCodeBlock.get()); 63} 64 65void ToFTLDeferredCompilationCallback::compilationDidComplete( 66 CodeBlock* codeBlock, CompilationResult result) 67{ 68 if (Options::verboseOSR()) { 69 dataLog( 70 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock, 71 ") result: ", result, "\n"); 72 } 73 74 if (m_dfgCodeBlock->replacement() != m_dfgCodeBlock) { 75 if (Options::verboseOSR()) { 76 dataLog( 77 "Dropping FTL code block ", *codeBlock, " on the floor because the " 78 "DFG code block ", *m_dfgCodeBlock, " was jettisoned.\n"); 79 } 80 return; 81 } 82 83 if (result == CompilationSuccessful) 84 codeBlock->install(); 85 86 m_dfgCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult( 87 m_dfgCodeBlock.get(), result); 88 89 DeferredCompilationCallback::compilationDidComplete(codeBlock, result); 90} 91 92} } // JSC::DFG 93 94#endif // ENABLE(FTL_JIT) 95