[Webkit-unassigned] [Bug 19408] New: Constant folding in parser

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=19408

           Summary: Constant folding in parser
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Enhancement
          Priority: P4
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: loki at inf.u-szeged.hu


Hi all,
I have implemented an experimental constant folding algorithm into the parser.
It is not finished yet, but I would like to share it, in order to get feedbacks
about it.

Any comments and suggestions are welcome!

Note:
No new JavaScript regression.
SunSpider says '1.007x as fast'.
If I remove the comment signs around String operations
SunSpider says '1.011x as slow'


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