[webkit-changes] [WebKit/WebKit] 4a0771: [JSC] offlineasm: maintain Tmp register set order ...

[Commit Queue]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 4a07711b95545cd9338cdeea58e1e77691ee64b8
      https://github.com/WebKit/WebKit/commit/4a07711b95545cd9338cdeea58e1e77691ee64b8
  Author: Max Rottenkolber <maximilian at igalia.com>
  Date:   2024-05-16 (Thu, 16 May 2024)

  Changed paths:
    M Source/JavaScriptCore/offlineasm/arm.rb
    M Source/JavaScriptCore/offlineasm/opt.rb

  Log Message:
  -----------
  [JSC] offlineasm: maintain Tmp register set order in assignRegistersToTemporaries
https://bugs.webkit.org/show_bug.cgi?id=270971

Reviewed by Justin Michaud.

In assignRegistersToTemporaries, maintain the freeRegisters stack order across
iterations to ensure temp/scratch priority is respected.

Also reject uses of globaladdr with conflicting scratch selection on armv7.

* Source/JavaScriptCore/offlineasm/arm.rb:
* Source/JavaScriptCore/offlineasm/opt.rb:

Canonical link: https://commits.webkit.org/278856@main



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