Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b1703ed2b97ed341072db16211f9ca1adc84011c
https://github.com/WebKit/WebKit/commit/b1703ed2b97ed341072db16211f9ca1adc84011c
Author: Sosuke Suzuki <[email protected]>
Date: 2026-01-29 (Thu, 29 Jan 2026)
Changed paths:
A JSTests/microbenchmarks/object-define-property-value-only.js
A JSTests/stress/object-define-property-intrinsic.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/ftl/FTLCapabilities.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/runtime/Intrinsic.h
M Source/JavaScriptCore/runtime/ObjectConstructor.cpp
Log Message:
-----------
[JSC] Handle `Object.defineProperty` in DFG/FTL
https://bugs.webkit.org/show_bug.cgi?id=306176
Reviewed by Yusuke Suzuki.
This patch changes to handle `Object.defineProperty` in DFG/FTL.
This patch does not affect performance. However, it serves as the foundation
for the next optimization.
TipOfTree Patched
object-define-property-value-only 29.0618+-2.3078
28.9060+-0.6990
Tests: JSTests/microbenchmarks/object-define-property-value-only.js
JSTests/stress/object-define-property-intrinsic.js
* JSTests/microbenchmarks/object-define-property-value-only.js: Added.
(bench):
* JSTests/stress/object-define-property-intrinsic.js: Added.
(test):
(testWritable):
(testAccessor.):
(testReturnValue):
(testSymbol):
(testThrows):
* 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_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/ftl/FTLCapabilities.cpp:
(JSC::FTL::canCompile):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileNode):
(JSC::FTL::DFG::LowerDFGToB3::compileObjectDefineProperty):
* Source/JavaScriptCore/runtime/Intrinsic.h:
* Source/JavaScriptCore/runtime/ObjectConstructor.cpp:
Canonical link: https://commits.webkit.org/306403@main
To unsubscribe from these emails, change your notification settings at
https://github.com/WebKit/WebKit/settings/notifications
