[webkit-changes] [WebKit/WebKit] ad5495: [JSC] Use int32 serialization for double stringify...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ad54954207ea81f455366f6354436f36387c1d98
      https://github.com/WebKit/WebKit/commit/ad54954207ea81f455366f6354436f36387c1d98
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2023-06-12 (Mon, 12 Jun 2023)

  Changed paths:
    M Source/JavaScriptCore/runtime/ArrayPrototype.cpp
    M Source/JavaScriptCore/runtime/JSStringJoiner.h

  Log Message:
  -----------
  [JSC] Use int32 serialization for double stringifying in JSStringJoiner
https://bugs.webkit.org/show_bug.cgi?id=257995
rdar://110682175

Reviewed by Mark Lam.

Add int32 fast path for double stringifying in JSStringJoiner.

* Source/JavaScriptCore/runtime/ArrayPrototype.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):
* Source/JavaScriptCore/runtime/JSStringJoiner.h:
(JSC::JSStringJoiner::appendNumber):

Canonical link: https://commits.webkit.org/265102@main