Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 4084cae3554fdd89eff4bd49cb60b0f4944142a2
https://github.com/WebKit/WebKit/commit/4084cae3554fdd89eff4bd49cb60b0f4944142a2
Author: Yusuke Suzuki <[email protected]>
Date: 2024-07-08 (Mon, 08 Jul 2024)
Changed paths:
M Source/WTF/wtf/SIMDHelpers.h
M Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp
Log Message:
-----------
Apply SIMD table lookup to 16bit characters in HTML fast path parser
https://bugs.webkit.org/show_bug.cgi?id=276244
rdar://131153910
Reviewed by Justin Michaud.
280670@main applied SIMD table lookup to 8bit characters. But since searching
characters are all ASCII,
this method can be easily applied to 16bit characters too: Use NEON SIMD to
load 16bit characters in interleaved manner (lowers and uppers),
and checking uppers are zero and lowers are searching characters via table
lookup.
* Source/WTF/wtf/SIMDHelpers.h:
(WTF::SIMD::findInterleaved):
* Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp:
(WebCore::HTMLFastPathParser::scanText):
(WebCore::HTMLFastPathParser::scanAttributeValue):
Canonical link: https://commits.webkit.org/280741@main
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