Changeset 121798 in webkit for trunk/Source/JavaScriptCore/heap/MarkStack.h

Timestamp:

Jul 3, 2012, 12:19:22 PM (13 years ago)

Author:

[email protected]

Message:

Add ability to symbolically set and dump JSC VM options.
See comments in runtime/Options.h for details on how the options work.
​https://bugs.webkit.org/show_bug.cgi?id=90420

Patch by Mark Lam <​[email protected]> on 2012-07-03
Reviewed by Filip Pizlo.

• assembler/LinkBuffer.cpp:

(JSC::LinkBuffer::finalizeCodeWithDisassembly):

• assembler/LinkBuffer.h:

(JSC):

• bytecode/CodeBlock.cpp:

(JSC::CodeBlock::shouldOptimizeNow):

• bytecode/CodeBlock.h:

(JSC::CodeBlock::likelyToTakeSlowCase):
(JSC::CodeBlock::couldTakeSlowCase):
(JSC::CodeBlock::likelyToTakeSpecialFastCase):
(JSC::CodeBlock::likelyToTakeDeepestSlowCase):
(JSC::CodeBlock::likelyToTakeAnySlowCase):
(JSC::CodeBlock::jitAfterWarmUp):
(JSC::CodeBlock::jitSoon):
(JSC::CodeBlock::reoptimizationRetryCounter):
(JSC::CodeBlock::countReoptimization):
(JSC::CodeBlock::counterValueForOptimizeAfterWarmUp):
(JSC::CodeBlock::counterValueForOptimizeAfterLongWarmUp):
(JSC::CodeBlock::optimizeSoon):
(JSC::CodeBlock::exitCountThresholdForReoptimization):
(JSC::CodeBlock::exitCountThresholdForReoptimizationFromLoop):

• bytecode/ExecutionCounter.h:

(JSC::ExecutionCounter::clippedThreshold):

• dfg/DFGByteCodeParser.cpp:

(JSC::DFG::ByteCodeParser::handleInlining):

• dfg/DFGCapabilities.h:

(JSC::DFG::mightCompileEval):
(JSC::DFG::mightCompileProgram):
(JSC::DFG::mightCompileFunctionForCall):
(JSC::DFG::mightCompileFunctionForConstruct):
(JSC::DFG::mightInlineFunctionForCall):
(JSC::DFG::mightInlineFunctionForConstruct):

• dfg/DFGCommon.h:

(JSC::DFG::shouldShowDisassembly):

• dfg/DFGDriver.cpp:

(JSC::DFG::compile):

• dfg/DFGOSRExit.cpp:

(JSC::DFG::OSRExit::considerAddingAsFrequentExitSiteSlow):

• dfg/DFGVariableAccessData.h:

(JSC::DFG::VariableAccessData::shouldUseDoubleFormatAccordingToVote):

• heap/MarkStack.cpp:

(JSC::MarkStackSegmentAllocator::allocate):
(JSC::MarkStackSegmentAllocator::shrinkReserve):
(JSC::MarkStackArray::MarkStackArray):
(JSC::MarkStackThreadSharedData::MarkStackThreadSharedData):
(JSC::SlotVisitor::donateKnownParallel):
(JSC::SlotVisitor::drain):
(JSC::SlotVisitor::drainFromShared):

• heap/MarkStack.h:

(JSC::MarkStack::mergeOpaqueRootsIfProfitable):
(JSC::MarkStack::addOpaqueRoot):

• heap/SlotVisitor.h:

(JSC::SlotVisitor::donate):

• jit/JIT.cpp:

(JSC::JIT::emitOptimizationCheck):

• jsc.cpp:

(printUsageStatement):
(parseArguments):

• runtime/InitializeThreading.cpp:

(JSC::initializeThreadingOnce):

• runtime/JSGlobalData.cpp:

(JSC::enableAssembler):

• runtime/JSGlobalObject.cpp:

(JSC::JSGlobalObject::JSGlobalObject):

• runtime/Options.cpp:

(JSC):
(JSC::overrideOptionWithHeuristic):
(JSC::Options::initialize):
(JSC::Options::setOption):
(JSC::Options::dumpAllOptions):
(JSC::Options::dumpOption):

• runtime/Options.h:

(JSC):
(Options):
(EntryInfo):

File:

• trunk/Source/JavaScriptCore/heap/MarkStack.h (modified) (2 diffs)

trunk/Source/JavaScriptCore/heap/MarkStack.h

@@ -305 +305 @@
         void mergeOpaqueRootsIfProfitable()
         {
-            if (static_cast<unsigned>(m_opaqueRoots.size()) < Options::opaqueRootMergeThreshold)
+            if (static_cast<unsigned>(m_opaqueRoots.size()) < Options::opaqueRootMergeThreshold())
                 return;
             mergeOpaqueRoots();
@@ -351 +351 @@
     {
 #if ENABLE(PARALLEL_GC)
-        if (Options::numberOfGCMarkers == 1) {
+        if (Options::numberOfGCMarkers() == 1) {
             // Put directly into the shared HashSet.
             m_shared.m_opaqueRoots.add(root);