[webkit-changes] [WebKit/WebKit] b31452: [JSC] Add Air MultiplyNegDouble / MultiplyNegFloat

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: b31452172c5ccdd9908457bd18ac325aa77741d5
      https://github.com/WebKit/WebKit/commit/b31452172c5ccdd9908457bd18ac325aa77741d5
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2025-02-01 (Sat, 01 Feb 2025)

  Changed paths:
    M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
    M Source/JavaScriptCore/b3/B3LowerToAir.cpp
    M Source/JavaScriptCore/b3/air/AirOpcode.opcodes
    M Source/JavaScriptCore/b3/testb3.h
    M Source/JavaScriptCore/b3/testb3_2.cpp
    M Source/JavaScriptCore/b3/testb3_3.cpp

  Log Message:
  -----------
  [JSC] Add Air MultiplyNegDouble / MultiplyNegFloat
https://bugs.webkit.org/show_bug.cgi?id=286405
rdar://143450726

Reviewed by Yijia Huang.

Adding MultiplyNegDouble / MultiplyNegFloat which is Neg(Mul(@a, @b)) =>
MultiplyNeg(@a, @b) on ARM64.

* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::multiplyNegDouble):
(JSC::MacroAssemblerARM64::multiplyNegFloat):
* Source/JavaScriptCore/b3/B3LowerToAir.cpp:
* Source/JavaScriptCore/b3/air/AirOpcode.opcodes:
* Source/JavaScriptCore/b3/testb3.h:
* Source/JavaScriptCore/b3/testb3_2.cpp:
(testMulNegArgsDouble):
(testMulNegArgsFloat):
* Source/JavaScriptCore/b3/testb3_3.cpp:
(addArgTests):

Canonical link: https://commits.webkit.org/289683@main



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