[Webkit-unassigned] [Bug 91398] New: Fix blend filter for autovectorizing

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Jul 16 09:05:33 PDT 2012


https://bugs.webkit.org/show_bug.cgi?id=91398

           Summary: Fix blend filter for autovectorizing
           Product: WebKit
           Version: 420+
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: allan.jensen at nokia.com
                CC: zimmermann at kde.org


The blend filter is currently written in such a way that it can not be autovectorized by the GCC auto-vectorizer, by removing conditions from the inner of the loop, GCC will be able to auto-vectorizing giving a large potential speedup on all platforms with SIMD instructions.

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