[Webkit-unassigned] [Bug 64630] New: DFG JIT - Where arguments passed are integers, speculate this.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64630

           Summary: DFG JIT - Where arguments passed are integers,
                    speculate this.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


Presently the DFG JIT is overly aggressively predicting double.  Use a bit of dynamic information, and curtail this a little.

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