Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 75f7bb698ee95ce80e8b9c95f816a2d3cdce4e8b
https://github.com/WebKit/WebKit/commit/75f7bb698ee95ce80e8b9c95f816a2d3cdce4e8b
Author: Keita Nonaka <ikonnyak...@gmail.com>
Date: 2025-06-12 (Thu, 12 Jun 2025)
Changed paths:
A JSTests/microbenchmarks/number-isSafeInteger.js
A JSTests/stress/number-is-safe-integer.js
M Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h
M Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp
M Source/JavaScriptCore/dfg/DFGClobberize.h
M Source/JavaScriptCore/dfg/DFGDoesGC.cpp
M Source/JavaScriptCore/dfg/DFGFixupPhase.cpp
M Source/JavaScriptCore/dfg/DFGNodeType.h
M Source/JavaScriptCore/dfg/DFGOperations.cpp
M Source/JavaScriptCore/dfg/DFGOperations.h
M Source/JavaScriptCore/dfg/DFGPredictionPropagationPhase.cpp
M Source/JavaScriptCore/dfg/DFGSafeToExecute.h
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp
M Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp
M Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp
M Source/JavaScriptCore/ftl/FTLCapabilities.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/jit/ThunkGenerators.cpp
M Source/JavaScriptCore/jit/ThunkGenerators.h
M Source/JavaScriptCore/runtime/Intrinsic.h
M Source/JavaScriptCore/runtime/NumberConstructor.cpp
M Source/JavaScriptCore/runtime/VM.cpp
Log Message:
-----------
[JSC] Optimize `Number.isSafeInteger` with DFG and FTL for Performance
https://bugs.webkit.org/show_bug.cgi?id=291491
Reviewed by Yusuke Suzuki.
Optimize `Number.isSafeInteger` with DFG and FTL for Performance
TipOfTree Patched Ratio
number-isSafeInteger 0.9238+-0.0566 0.7933+-0.0455 1.1645x
faster
* JSTests/microbenchmarks/number-isSafeInteger.js: Added.
* JSTests/stress/number-is-safe-integer.js: Added.
(shouldBe):
(shouldBe.Number.isSafeInteger):
(objectWithNumberValueOf.valueOf):
(objectWithNaNValueOf.valueOf):
(objectRecordConversionCalls.toString):
(objectRecordConversionCalls.valueOf):
* Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
* Source/JavaScriptCore/dfg/DFGByteCodeParser.cpp:
(JSC::DFG::ByteCodeParser::handleIntrinsicCall):
* Source/JavaScriptCore/dfg/DFGClobberize.h:
(JSC::DFG::clobberize):
* Source/JavaScriptCore/dfg/DFGDoesGC.cpp:
(JSC::DFG::doesGC):
* Source/JavaScriptCore/dfg/DFGFixupPhase.cpp:
(JSC::DFG::FixupPhase::fixupNode):
* Source/JavaScriptCore/dfg/DFGNodeType.h:
* Source/JavaScriptCore/dfg/DFGOperations.cpp:
(JSC::DFG::JSC_DEFINE_NOEXCEPT_JIT_OPERATION):
* Source/JavaScriptCore/dfg/DFGOperations.h:
* Source/JavaScriptCore/dfg/DFGPredictionPropagationPhase.cpp:
* Source/JavaScriptCore/dfg/DFGSafeToExecute.h:
(JSC::DFG::safeToExecute):
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT.cpp:
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT.h:
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT32_64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
* Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp:
(JSC::DFG::SpeculativeJIT::compile):
* Source/JavaScriptCore/dfg/DFGStrengthReductionPhase.cpp:
(JSC::DFG::StrengthReductionPhase::handleNode):
* Source/JavaScriptCore/ftl/FTLCapabilities.cpp:
(JSC::FTL::canCompile):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileNode):
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/jit/ThunkGenerators.cpp:
(JSC::numberIsSafeIntegerThunkGenerator):
* Source/JavaScriptCore/jit/ThunkGenerators.h:
* Source/JavaScriptCore/runtime/Intrinsic.h:
* Source/JavaScriptCore/runtime/NumberConstructor.cpp:
* Source/JavaScriptCore/runtime/VM.cpp:
(JSC::thunkGeneratorForIntrinsic):
Canonical link: https://commits.webkit.org/296161@main
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