Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 08963ea50bf420f786b700b817a3578ec9240ed0
https://github.com/WebKit/WebKit/commit/08963ea50bf420f786b700b817a3578ec9240ed0
Author: Yusuke Suzuki <[email protected]>
Date: 2025-02-01 (Sat, 01 Feb 2025)
Changed paths:
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
M Source/JavaScriptCore/jit/AssemblyHelpers.cpp
M Source/JavaScriptCore/llint/LowLevelInterpreter.asm
M Source/JavaScriptCore/llint/LowLevelInterpreter64.asm
M Source/JavaScriptCore/runtime/JSTypeInfo.h
Log Message:
-----------
[JSC] Move OverridesGetPrototype to inline flags
https://bugs.webkit.org/show_bug.cgi?id=286234
rdar://143210939
Reviewed by Justin Michaud.
This check is particularly hot in instanceof. Given that this is also
accessed from JIT code, we should make OverridesGetPrototype inline flag
and put it in JSCell instead of Structure.
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileGetPrototypeOf):
(JSC::FTL::DFG::LowerDFGToB3::compileCompareStrictEq):
* Source/JavaScriptCore/jit/AssemblyHelpers.cpp:
(JSC::AssemblyHelpers::emitLoadPrototype):
* Source/JavaScriptCore/llint/LowLevelInterpreter.asm:
* Source/JavaScriptCore/llint/LowLevelInterpreter64.asm:
* Source/JavaScriptCore/runtime/JSTypeInfo.h:
(JSC::TypeInfo::overridesGetPrototype const):
Canonical link: https://commits.webkit.org/289678@main
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