[webkit-changes] [WebKit/WebKit] 4939b1: [JSC] B3 should emit AddZeroExtend64 and AddSignEx...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4939b1d69f5a1ede063aebc217da5d4116581cc4
      https://github.com/WebKit/WebKit/commit/4939b1d69f5a1ede063aebc217da5d4116581cc4
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M Source/JavaScriptCore/b3/B3LowerToAir.cpp
    M Source/JavaScriptCore/b3/testb3.h
    M Source/JavaScriptCore/b3/testb3_2.cpp

  Log Message:
  -----------
  [JSC] B3 should emit AddZeroExtend64 and AddSignExtend64 for Add(@x, ZExt(@y)) etc.
https://bugs.webkit.org/show_bug.cgi?id=281195
rdar://137648194

Reviewed by Keith Miller.

When there is Add(@x, ZExt(@y)), we should lower it to
AddZeroExtend64(@x, @y) form.

* Source/JavaScriptCore/b3/B3LowerToAir.cpp:
* Source/JavaScriptCore/b3/testb3.h:
* Source/JavaScriptCore/b3/testb3_2.cpp:
(testAddZeroExtend64):
(testAddSignExtend64):
(addBitTests):

Canonical link: https://commits.webkit.org/284958@main



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