]> git.saurik.com Git - apple/javascriptcore.git/blame - dfg/DFGToFTLDeferredCompilationCallback.cpp
JavaScriptCore-7601.1.46.3.tar.gz
[apple/javascriptcore.git] / dfg / DFGToFTLDeferredCompilationCallback.cpp
CommitLineData
81345200
A
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
ed1e77d3 46Ref<ToFTLDeferredCompilationCallback> ToFTLDeferredCompilationCallback::create(PassRefPtr<CodeBlock> dfgCodeBlock)
81345200 47{
ed1e77d3 48 return adoptRef(*new ToFTLDeferredCompilationCallback(dfgCodeBlock));
81345200
A
49}
50
51void ToFTLDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
52 CodeBlock* codeBlock)
53{
54 if (Options::verboseOSR()) {
55 dataLog(
56 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
57 ") did become ready.\n");
58 }
59
60 m_dfgCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
61 m_dfgCodeBlock.get());
62}
63
64void ToFTLDeferredCompilationCallback::compilationDidComplete(
65 CodeBlock* codeBlock, CompilationResult result)
66{
67 if (Options::verboseOSR()) {
68 dataLog(
69 "Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
70 ") result: ", result, "\n");
71 }
72
73 if (m_dfgCodeBlock->replacement() != m_dfgCodeBlock) {
74 if (Options::verboseOSR()) {
75 dataLog(
76 "Dropping FTL code block ", *codeBlock, " on the floor because the "
77 "DFG code block ", *m_dfgCodeBlock, " was jettisoned.\n");
78 }
79 return;
80 }
81
82 if (result == CompilationSuccessful)
83 codeBlock->install();
84
85 m_dfgCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
86 m_dfgCodeBlock.get(), result);
87
88 DeferredCompilationCallback::compilationDidComplete(codeBlock, result);
89}
90
91} } // JSC::DFG
92
93#endif // ENABLE(FTL_JIT)