[webkit-changes] [WebKit/WebKit] b8454d: [JSC] Use simple Vector for BufferedStructures

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: b8454d3a096356e8431c748f73417527eefca678
      https://github.com/WebKit/WebKit/commit/b8454d3a096356e8431c748f73417527eefca678
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-05-08 (Wed, 08 May 2024)

  Changed paths:
    M Source/JavaScriptCore/bytecode/StructureStubInfo.cpp
    M Source/JavaScriptCore/bytecode/StructureStubInfo.h

  Log Message:
  -----------
  [JSC] Use simple Vector for BufferedStructures
https://bugs.webkit.org/show_bug.cgi?id=273863
rdar://127713950

Reviewed by Keith Miller.

This HashMap size is relatively small (since we have upper limit for IC feedback).
We should make it Vector since HashMap for this size is costly.

* Source/JavaScriptCore/bytecode/StructureStubInfo.cpp:
(JSC::StructureStubInfo::visitAggregateImpl):
(JSC::StructureStubInfo::visitWeakReferences):
* Source/JavaScriptCore/bytecode/StructureStubInfo.h:
(JSC::StructureStubInfo::considerRepatchingCacheImpl):
(JSC::StructureStubInfo::clearBufferedStructures):

Canonical link: https://commits.webkit.org/278530@main



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