Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 1f4519fc48941d23c7d19b67abe97afbd9aa638e
https://github.com/WebKit/WebKit/commit/1f4519fc48941d23c7d19b67abe97afbd9aa638e
Author: Simon Fraser <[email protected]>
Date: 2023-09-01 (Fri, 01 Sep 2023)
Changed paths:
M Source/WebCore/css/CSSCustomPropertyValue.cpp
Log Message:
-----------
Compare pointers first in CSSCustomPropertyValue::equals()
https://bugs.webkit.org/show_bug.cgi?id=261057
rdar://114854431
Reviewed by Chris Dumez.
When CSSCustomPropertyValue holds a variant type that is a pointer, do pointer
comparison first
before comparing values. This avoids calls to the expensive
`CSSVariableData::operator==`, which
gives a measurable perf boost on some Speedometer 3 subtests with lots of
custom properties.
* Source/WebCore/css/CSSCustomPropertyValue.cpp:
(WebCore::CSSCustomPropertyValue::equals const):
Canonical link: https://commits.webkit.org/267578@main
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