[Webkit-unassigned] [Bug 21985] New: Opcodes should use eax as their destination register whenever possible

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=21985

           Summary: Opcodes should use eax as their destination register
                    whenever possible
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: cwzwarich at uwaterloo.ca
                CC: cwzwarich at uwaterloo.ca


Some opcodes pointlessly use something other than eax as their destination
register or supply eax as an argument to emitPutResult rather than using the
default. This potentially makes the sort of memory traffic elimination like in
bug 21943 less of a win.


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