[Webkit-unassigned] [Bug 58696] New: DFG JIT split handling of vars/temporaries

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=58696

           Summary: DFG JIT split handling of vars/temporaries
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


Presently all callee registers are treated as having single block scope, since the DFG JIT can only compile single block functions.  In order to expand the JIT to support control flow we will need to change to retaining locals (but not temporaries) across basic block boundaries.

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