static void recomputeDependentOptions()
{
#if !ENABLE(JIT)
Options::useLLInt() = true;
Options::useJIT() = false;
Options::useDFGJIT() = false;
Options::useFTLJIT() = false;
#endif
#if !ENABLE(YARR_JIT)
Options::useRegExpJIT() = false;
#endif
#if !ENABLE(CONCURRENT_JIT)
Options::enableConcurrentJIT() = false;
#endif
#if !ENABLE(DFG_JIT)
Options::useDFGJIT() = false;
Options::useFTLJIT() = false;
#endif
#if !ENABLE(FTL_JIT)
Options::useFTLJIT() = false;
#endif
#if OS(WINDOWS) && CPU(X86)
// Disable JIT on Windows if SSE2 is not present
if (!MacroAssemblerX86::supportsFloatingPoint())
Options::useJIT() = false;
#endif
if (Options::showDisassembly()
|| Options::showDFGDisassembly()
|| Options::showFTLDisassembly()
|| Options::dumpBytecodeAtDFGTime()
|| Options::dumpGraphAtEachPhase()
|| Options::verboseCompilation()
|| Options::verboseFTLCompilation()
|| Options::logCompilationChanges()
|| Options::validateGraph()
|| Options::validateGraphAtEachPhase()
|| Options::verboseOSR()
|| Options::verboseCompilationQueue()
|| Options::reportCompileTimes()
|| Options::reportFTLCompileTimes()
|| Options::verboseCFA()
|| Options::verboseFTLFailure())
Options::alwaysComputeHash() = true;
if (Option(Options::jitPolicyScaleID).isOverridden())
scaleJITPolicy();
if (Options::forceEagerCompilation()) {
Options::thresholdForJITAfterWarmUp() = 10;
Options::thresholdForJITSoon() = 10;
Options::thresholdForOptimizeAfterWarmUp() = 20;
Options::thresholdForOptimizeAfterLongWarmUp() = 20;
Options::thresholdForOptimizeSoon() = 20;
Options::thresholdForFTLOptimizeAfterWarmUp() = 20;
Options::thresholdForFTLOptimizeSoon() = 20;
Options::maximumEvalCacheableSourceLength() = 150000;
Options::enableConcurrentJIT() = false;
}
// Compute the maximum value of the reoptimization retry counter. This is simply
// the largest value at which we don't overflow the execute counter, when using it
// to left-shift the execution counter by this amount. Currently the value ends
// up being 18, so this loop is not so terrible; it probably takes up ~100 cycles
// total on a 32-bit processor.
Options::reoptimizationRetryCounterMax() = 0;
while ((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << (Options::reoptimizationRetryCounterMax() + 1)) <= static_cast<int64_t>(std::numeric_limits<int32_t>::max()))
Options::reoptimizationRetryCounterMax()++;
ASSERT((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << Options::reoptimizationRetryCounterMax()) > 0);
ASSERT((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << Options::reoptimizationRetryCounterMax()) <= static_cast<int64_t>(std::numeric_limits<int32_t>::max()));
}
static void recomputeDependentOptions()
{
#if !defined(NDEBUG)
Options::validateDFGExceptionHandling() = true;
#endif
#if !ENABLE(JIT)
Options::useLLInt() = true;
Options::useJIT() = false;
Options::useDFGJIT() = false;
Options::useFTLJIT() = false;
Options::useDOMJIT() = false;
#endif
#if !ENABLE(YARR_JIT)
Options::useRegExpJIT() = false;
#endif
#if !ENABLE(CONCURRENT_JS)
Options::useConcurrentJIT() = false;
#endif
#if !ENABLE(DFG_JIT)
Options::useDFGJIT() = false;
Options::useFTLJIT() = false;
#endif
#if !ENABLE(FTL_JIT)
Options::useFTLJIT() = false;
#endif
#if !CPU(X86_64) && !CPU(ARM64)
Options::useConcurrentGC() = false;
#endif
#if OS(WINDOWS) && CPU(X86)
// Disable JIT on Windows if SSE2 is not present
if (!MacroAssemblerX86::supportsFloatingPoint())
Options::useJIT() = false;
#endif
if (Options::dumpDisassembly()
|| Options::dumpDFGDisassembly()
|| Options::dumpFTLDisassembly()
|| Options::dumpBytecodeAtDFGTime()
|| Options::dumpGraphAtEachPhase()
|| Options::dumpDFGGraphAtEachPhase()
|| Options::dumpDFGFTLGraphAtEachPhase()
|| Options::dumpB3GraphAtEachPhase()
|| Options::dumpAirGraphAtEachPhase()
|| Options::verboseCompilation()
|| Options::verboseFTLCompilation()
|| Options::logCompilationChanges()
|| Options::validateGraph()
|| Options::validateGraphAtEachPhase()
|| Options::verboseOSR()
|| Options::verboseCompilationQueue()
|| Options::reportCompileTimes()
|| Options::reportBaselineCompileTimes()
|| Options::reportDFGCompileTimes()
|| Options::reportFTLCompileTimes()
|| Options::reportDFGPhaseTimes()
|| Options::verboseCFA()
|| Options::verboseFTLFailure())
Options::alwaysComputeHash() = true;
if (!Options::useConcurrentGC())
Options::collectContinuously() = false;
if (Option(Options::jitPolicyScaleID).isOverridden())
scaleJITPolicy();
if (Options::forceEagerCompilation()) {
Options::thresholdForJITAfterWarmUp() = 10;
Options::thresholdForJITSoon() = 10;
Options::thresholdForOptimizeAfterWarmUp() = 20;
Options::thresholdForOptimizeAfterLongWarmUp() = 20;
Options::thresholdForOptimizeSoon() = 20;
Options::thresholdForFTLOptimizeAfterWarmUp() = 20;
Options::thresholdForFTLOptimizeSoon() = 20;
Options::maximumEvalCacheableSourceLength() = 150000;
Options::useConcurrentJIT() = false;
}
if (Options::useMaximalFlushInsertionPhase()) {
Options::useOSREntryToDFG() = false;
Options::useOSREntryToFTL() = false;
}
#if PLATFORM(IOS) && !PLATFORM(IOS_SIMULATOR) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000
// Override globally for now. Longer term we'll just make the default
// be to have this option enabled, and have platforms that don't support
// it just silently use a single mapping.
Options::useSeparatedWXHeap() = true;
#endif
if (Options::alwaysUseShadowChicken())
Options::maximumInliningDepth() = 1;
// Compute the maximum value of the reoptimization retry counter. This is simply
// the largest value at which we don't overflow the execute counter, when using it
// to left-shift the execution counter by this amount. Currently the value ends
// up being 18, so this loop is not so terrible; it probably takes up ~100 cycles
// total on a 32-bit processor.
Options::reoptimizationRetryCounterMax() = 0;
while ((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << (Options::reoptimizationRetryCounterMax() + 1)) <= static_cast<int64_t>(std::numeric_limits<int32_t>::max()))
Options::reoptimizationRetryCounterMax()++;
ASSERT((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << Options::reoptimizationRetryCounterMax()) > 0);
ASSERT((static_cast<int64_t>(Options::thresholdForOptimizeAfterLongWarmUp()) << Options::reoptimizationRetryCounterMax()) <= static_cast<int64_t>(std::numeric_limits<int32_t>::max()));
#if ENABLE(LLINT_STATS)
LLInt::Data::loadStats();
#endif
#if !defined(NDEBUG)
if (Options::maxSingleAllocationSize())
fastSetMaxSingleAllocationSize(Options::maxSingleAllocationSize());
else
fastSetMaxSingleAllocationSize(std::numeric_limits<size_t>::max());
#endif
}