[Webkit-unassigned] [Bug 21723] New: Optimize op_call by allowing call sites to be directly linked to callees.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21723

           Summary: Optimize op_call by allowing call sites to be directly
                    linked to callees.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


Since we can check the arity matches at link time we can remove the call out to
C, the indirect branch, and the need to access either CodeBlock.

~20% progression on deltablue & richards, >12% overall reduction in v8-tests
runtime, one or two percent progression on sunspider.


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