Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b750a5abaa781f9442aa2f3ad68f404362da7bec
https://github.com/WebKit/WebKit/commit/b750a5abaa781f9442aa2f3ad68f404362da7bec
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2024-07-03 (Wed, 03 Jul 2024)
Changed paths:
A JSTests/microbenchmarks/double-to-string.js
A JSTests/stress/double-to-string.js
M Source/JavaScriptCore/dfg/DFGFixupPhase.cpp
M Source/JavaScriptCore/runtime/NumberPrototype.cpp
M Source/JavaScriptCore/runtime/NumericStrings.h
Log Message:
-----------
[JSC] Extend double string cache
https://bugs.webkit.org/show_bug.cgi?id=276165
rdar://131021443
Reviewed by Keith Miller and Michael Saboff.
This patch adds optimizations for double string.
1. Handle "string" + double + "string" well in DFG / FTL by converting double
via ToString node and use MakeRope for them.
2. Add JSString cache for doubles.
* JSTests/microbenchmarks/double-to-string.js: Added.
(test):
* JSTests/stress/double-to-string.js: Added.
(shouldBe):
(test):
* Source/JavaScriptCore/dfg/DFGFixupPhase.cpp:
(JSC::DFG::FixupPhase::attemptToMakeFastStringAdd):
* Source/JavaScriptCore/runtime/NumberPrototype.cpp:
(JSC::NumericStrings::addJSString):
(JSC::numberToStringInternal):
(JSC::int52ToString):
* Source/JavaScriptCore/runtime/NumericStrings.h:
(JSC::NumericStrings::add):
(JSC::NumericStrings::clearOnGarbageCollection):
(JSC::NumericStrings::visitAggregate):
(JSC::NumericStrings::lookup):
Canonical link: https://commits.webkit.org/280628@main
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