Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: c0deda0b0cc53708c29783a6f9806476f7ef08d1
https://github.com/WebKit/WebKit/commit/c0deda0b0cc53708c29783a6f9806476f7ef08d1
Author: Sosuke Suzuki <[email protected]>
Date: 2026-01-19 (Mon, 19 Jan 2026)
Changed paths:
A JSTests/microbenchmarks/string-fromCharCode-constant-folding.js
A JSTests/stress/string-fromCharCode-constant-folding.js
M Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h
M Source/JavaScriptCore/dfg/DFGDoesGC.cpp
Log Message:
-----------
[JSC] Handle `String.fromCharCode` in abstract interpreter
https://bugs.webkit.org/show_bug.cgi?id=194308
Reviewed by Yusuke Suzuki.
This patch changes to handle `String.fromCharCode` in anstract interpreter.
TipOfTree Patched
string-fromCharCode-constant-folding 13.0185+-0.2332 ^
7.9630+-0.4211 ^ definitely 1.6349x faster
Tests: JSTests/microbenchmarks/string-fromCharCode-constant-folding.js
JSTests/stress/string-fromCharCode-constant-folding.js
* JSTests/microbenchmarks/string-fromCharCode-constant-folding.js: Added.
* JSTests/stress/string-fromCharCode-constant-folding.js: Added.
(shouldBe):
* Source/JavaScriptCore/dfg/DFGAbstractInterpreterInlines.h:
(JSC::DFG::AbstractInterpreter<AbstractStateType>::executeEffects):
* Source/JavaScriptCore/dfg/DFGDoesGC.cpp:
(JSC::DFG::doesGC):
Canonical link: https://commits.webkit.org/305847@main
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