DFGToFTLDeferredCompilationCallback.cpp [plain text]
#include "config.h"
#include "DFGToFTLDeferredCompilationCallback.h"
#if ENABLE(FTL_JIT)
#include "CodeBlock.h"
#include "DFGJITCode.h"
#include "Executable.h"
#include "JSCInlines.h"
namespace JSC { namespace DFG {
ToFTLDeferredCompilationCallback::ToFTLDeferredCompilationCallback(
PassRefPtr<CodeBlock> dfgCodeBlock)
: m_dfgCodeBlock(dfgCodeBlock)
{
}
ToFTLDeferredCompilationCallback::~ToFTLDeferredCompilationCallback() { }
Ref<ToFTLDeferredCompilationCallback> ToFTLDeferredCompilationCallback::create(PassRefPtr<CodeBlock> dfgCodeBlock)
{
return adoptRef(*new ToFTLDeferredCompilationCallback(dfgCodeBlock));
}
void ToFTLDeferredCompilationCallback::compilationDidBecomeReadyAsynchronously(
CodeBlock* codeBlock)
{
if (Options::verboseOSR()) {
dataLog(
"Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
") did become ready.\n");
}
m_dfgCodeBlock->jitCode()->dfg()->forceOptimizationSlowPathConcurrently(
m_dfgCodeBlock.get());
}
void ToFTLDeferredCompilationCallback::compilationDidComplete(
CodeBlock* codeBlock, CompilationResult result)
{
if (Options::verboseOSR()) {
dataLog(
"Optimizing compilation of ", *codeBlock, " (for ", *m_dfgCodeBlock,
") result: ", result, "\n");
}
if (m_dfgCodeBlock->replacement() != m_dfgCodeBlock) {
if (Options::verboseOSR()) {
dataLog(
"Dropping FTL code block ", *codeBlock, " on the floor because the "
"DFG code block ", *m_dfgCodeBlock, " was jettisoned.\n");
}
return;
}
if (result == CompilationSuccessful)
codeBlock->install();
m_dfgCodeBlock->jitCode()->dfg()->setOptimizationThresholdBasedOnCompilationResult(
m_dfgCodeBlock.get(), result);
DeferredCompilationCallback::compilationDidComplete(codeBlock, result);
}
} }
#endif // ENABLE(FTL_JIT)