[webkit-changes] [WebKit/WebKit] 9d4e2d: Avoid shifting address value in DFG AbstractHeap

[David Degazio]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 9d4e2deb25c83756843ff69b0ccc3bd0ae3072f6
      https://github.com/WebKit/WebKit/commit/9d4e2deb25c83756843ff69b0ccc3bd0ae3072f6
  Author: David Degazio <d_degazio at apple.com>
  Date:   2024-10-04 (Fri, 04 Oct 2024)

  Changed paths:
    M Source/JavaScriptCore/dfg/DFGAbstractHeap.h

  Log Message:
  -----------
  Avoid shifting address value in DFG AbstractHeap
https://bugs.webkit.org/show_bug.cgi?id=280781
rdar://137149897

Reviewed by Yusuke Suzuki.

Rearranges encoded fields of DFG::AbstractHeap to be consistent
with other compact pointer tuples and simplify decoding of the
address value.

* Source/JavaScriptCore/dfg/DFGAbstractHeap.h:
(JSC::DFG::AbstractHeap::kind const):
(JSC::DFG::AbstractHeap::payloadImpl const):
(JSC::DFG::AbstractHeap::encode):

Canonical link: https://commits.webkit.org/284722@main



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