Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 5d994adeb6a33c8447c5c7f887a5f88571980fa3
https://github.com/WebKit/WebKit/commit/5d994adeb6a33c8447c5c7f887a5f88571980fa3
Author: Yusuke Suzuki <[email protected]>
Date: 2023-07-13 (Thu, 13 Jul 2023)
Changed paths:
A JSTests/stress/string-from-char-code-double.js
M Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h
M Source/JavaScriptCore/dfg/DFGClobberize.h
M Source/JavaScriptCore/dfg/DFGFixupPhase.cpp
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
Log Message:
-----------
[JSC] Handle String.fromCharCode(double) in DFG
https://bugs.webkit.org/show_bug.cgi?id=259207
rdar://112245867
Reviewed by Mark Lam.
String.fromCharCode will perform toUInt32 onto the input. So we can just use
existing mechanism (DFG's ValueToInt32)
to accept it even if the input is double.
* JSTests/stress/string-from-char-code-double.js: Added.
(shouldBe):
(test):
* Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
* Source/JavaScriptCore/dfg/DFGClobberize.h:
(JSC::DFG::clobberize):
* Source/JavaScriptCore/dfg/DFGFixupPhase.cpp:
(JSC::DFG::FixupPhase::fixupNode):
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::compileStringFromCharCode):
Canonical link: https://commits.webkit.org/266056@main
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