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 "DFGToFTLForOSREntryDeferredCompilationCallback.h"
28
29#if ENABLE(FTL_JIT)
30
31#include "CodeBlock.h"
32#include "DFGJITCode.h"
33#include "FTLForOSREntryJITCode.h"
34#include "JSCInlines.h"
35
36namespace JSC { namespace DFG {
37
38ToFTLForOSREntryDeferredCompilationCallback::ToFTLForOSREntryDeferredCompilationCallback(JITCode::TriggerReason* forcedOSREntryTrigger)
39 : m_forcedOSREntryTrigger(forcedOSREntryTrigger)
40{
41}
42
43ToFTLForOSREntryDeferredCompilationCallback::~ToFTLForOSREntryDeferredCompilationCallback()
44{
45}
46
47Ref<ToFTLForOSREntryDeferredCompilationCallback>ToFTLForOSREntryDeferredCompilationCallback::create(JITCode::TriggerReason* forcedOSREntryTrigger)
48{
49 return adoptRef(*new ToFTLForOSREntryDeferredCompilationCallback(forcedOSREntryTrigger));
50}
51
52void ToFTLForOSREntryDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
53 CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
54{
55 if (Options::verboseOSR()) {
56 dataLog(
57 "Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
58 ") did become ready.\n");
59 }
60
61 *m_forcedOSREntryTrigger = JITCode::TriggerReason::CompilationDone;
62}
63
64void ToFTLForOSREntryDeferredCompilationCallback::compilationDidComplete(
65 CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
66{
67 if (Options::verboseOSR()) {
68 dataLog(
69 "Optimizing compilation of ", *codeBlock, " (for ", *profiledDFGCodeBlock,
70 ") result: ", result, "\n");
71 }
72
73 JITCode* jitCode = profiledDFGCodeBlock->jitCode()->dfg();
74
75 switch (result) {
76 case CompilationSuccessful: {
77 jitCode->setOSREntryBlock(*codeBlock->vm(), profiledDFGCodeBlock, codeBlock);
78 unsigned osrEntryBytecode = codeBlock->jitCode()->ftlForOSREntry()->bytecodeIndex();
79 jitCode->tierUpEntryTriggers.set(osrEntryBytecode, JITCode::TriggerReason::CompilationDone);
80 break;
81 }
82 case CompilationFailed:
83 jitCode->osrEntryRetry = 0;
84 jitCode->abandonOSREntry = true;
85 profiledDFGCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
86 profiledDFGCodeBlock, result);
87 break;
88 case CompilationDeferred:
89 RELEASE_ASSERT_NOT_REACHED();
90 case CompilationInvalidated:
91 jitCode->osrEntryRetry = 0;
92 break;
93 }
94
95 DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
96}
97
98} } // JSC::DFG
99
100#endif // ENABLE(FTL_JIT)
101