[webkit-changes] [WebKit/WebKit] e8401b: Adopt SIMD in attribute and text scanning

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: e8401be1912bd7ccd878b2605d7edf2c91cf74f4
      https://github.com/WebKit/WebKit/commit/e8401be1912bd7ccd878b2605d7edf2c91cf74f4
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-05-10 (Fri, 10 May 2024)

  Changed paths:
    M Source/JavaScriptCore/runtime/LiteralParser.cpp
    M Source/WTF/wtf/text/StringParsingBuffer.h
    M Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp

  Log Message:
  -----------
  Adopt SIMD in attribute and text scanning
https://bugs.webkit.org/show_bug.cgi?id=273977
rdar://127843610

Reviewed by Mark Lam.

This patch integrates SIMD into attribute value and string scanning.
We also attach UNLIKELY / LIKELY to bailout paths.

* Source/WebCore/html/parser/HTMLDocumentParserFastPath.cpp:
(WebCore::HTMLFastPathParser::parseCompleteInput):
(WebCore::HTMLFastPathParser::scanText):
(WebCore::HTMLFastPathParser::scanTagName):
(WebCore::HTMLFastPathParser::scanAttributeValue):
(WebCore::HTMLFastPathParser::parseChildren):
(WebCore::HTMLFastPathParser::parseAttributes):
(WebCore::HTMLFastPathParser::parseContainerElement):

Canonical link: https://commits.webkit.org/278647@main



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