darling-JavaScriptCore/dfg/DFGToFTLDeferredCompilationCallback.cpp

84 lines
3.1 KiB
C++

/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DFGToFTLDeferredCompilationCallback.h"
#if ENABLE(FTL_JIT)
#include "CodeBlock.h"
#include "DFGJITCode.h"
namespace JSC { namespace DFG {
ToFTLDeferredCompilationCallback::ToFTLDeferredCompilationCallback()
{
}
ToFTLDeferredCompilationCallback::~ToFTLDeferredCompilationCallback() { }
Ref<ToFTLDeferredCompilationCallback> ToFTLDeferredCompilationCallback::create()
{
return adoptRef(*new ToFTLDeferredCompilationCallback());
}
void ToFTLDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock)
{
dataLogLnIf(Options::verboseOSR(),
"Optimizing compilation of ", codeBlock, " (for ", profiledDFGCodeBlock,
") did become ready.");
profiledDFGCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
profiledDFGCodeBlock);
}
void ToFTLDeferredCompilationCallback::compilationDidComplete(
CodeBlock* codeBlock, CodeBlock* profiledDFGCodeBlock, CompilationResult result)
{
dataLogLnIf(Options::verboseOSR(),
"Optimizing compilation of ", codeBlock, " (for ", profiledDFGCodeBlock,
") result: ", result);
if (profiledDFGCodeBlock->replacement() != profiledDFGCodeBlock) {
dataLogLnIf(Options::verboseOSR(),
"Dropping FTL code block ", codeBlock, " on the floor because the "
"DFG code block ", profiledDFGCodeBlock, " was jettisoned.");
return;
}
if (result == CompilationSuccessful)
codeBlock->ownerExecutable()->installCode(codeBlock);
profiledDFGCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
profiledDFGCodeBlock, result);
DeferredCompilationCallback::compilationDidComplete(codeBlock, profiledDFGCodeBlock, result);
}
} } // JSC::DFG
#endif // ENABLE(FTL_JIT)