[Webkit-unassigned] [Bug 169252] New: Consider adding AtomicXchgNeg to B3

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=169252

            Bug ID: 169252
           Summary: Consider adding AtomicXchgNeg to B3
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

It's supported by x86 and trivial to implement on ARM64.

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