[Webkit-unassigned] [Bug 141388] New: Varargs frame set-up should be factored out for use by other JITs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=141388

            Bug ID: 141388
           Summary: Varargs frame set-up should be factored out for use by
                    other JITs
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (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

Currently there is a lot of code that is tightly-coupled to the baseline engines' view of the world - i.e. literal execution of bytecode.  There is even more code that does smart things for varargs that is inside the baseline JIT itself.

We should move that code out and make it more general, for example make it respect the notion that not everyone executes bytecode.

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