[webkit-changes] [WebKit/WebKit] 033ade: Make SIMD using table lookup

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 033adec3616bdf5bcfdd1e7fb279e329f0384901
      https://github.com/WebKit/WebKit/commit/033adec3616bdf5bcfdd1e7fb279e329f0384901
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-07-04 (Thu, 04 Jul 2024)

  Changed paths:
    M Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp

  Log Message:
  -----------
  Make SIMD using table lookup
https://bugs.webkit.org/show_bug.cgi?id=276213
rdar://problem/131089475

Reviewed by Justin Michaud.

Use https://lemire.me/blog/2024/06/08/scan-html-faster-with-simd-instructions-chrome-edition/ 's simple table-lookup approach instead of naive compare-chains.

* Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp:
(WebCore::HTMLFastPathParser::scanText):
(WebCore::HTMLFastPathParser::scanAttributeValue):

Canonical link: https://commits.webkit.org/280670@main



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