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[apple/javascriptcore.git] / dfg / DFGToFTLDeferredCompilationCallback.cpp
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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)