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 "JSCInlines.h"
34
35namespace JSC { namespace DFG {
36
37ToFTLDeferredCompilationCallback::ToFTLDeferredCompilationCallback()
38{
39}
40
41ToFTLDeferredCompilationCallback::~ToFTLDeferredCompilationCallback() { }
42
43Ref<ToFTLDeferredCompilationCallback> ToFTLDeferredCompilationCallback::create()
44{
45 return adoptRef(*new ToFTLDeferredCompilationCallback());
46}
47
48void ToFTLDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
49 CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
50{
51 if (Options::verboseOSR()) {
52 dataLog(
53 "Optimizing compilation of ", codeBlock, " (for ", profiledDFGCodeBlock,
54 ") did become ready.\n");
55 }
56
57 profiledDFGCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
58 profiledDFGCodeBlock);
59}
60
61void ToFTLDeferredCompilationCallback::compilationDidComplete(
62 CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
63{
64 if (Options::verboseOSR()) {
65 dataLog(
66 "Optimizing compilation of ", codeBlock, " (for ", profiledDFGCodeBlock,
67 ") result: ", result, "\n");
68 }
69
70 if (profiledDFGCodeBlock->replacement() != profiledDFGCodeBlock) {
71 if (Options::verboseOSR()) {
72 dataLog(
73 "Dropping FTL code block ", codeBlock, " on the floor because the "
74 "DFG code block ", profiledDFGCodeBlock, " was jettisoned.\n");
75 }
76 return;
77 }
78
79 if (result == CompilationSuccessful)
80 codeBlock->ownerExecutable()->installCode(codeBlock);
81
82 profiledDFGCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
83 profiledDFGCodeBlock, result);
84
85 DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
86}
87
88} } // JSC::DFG
89
90#endif // ENABLE(FTL_JIT)
91