[Webkit-unassigned] [Bug 19180] speed up SunSpider by optimizing immediate number cases
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri May 30 06:51:04 PDT 2008
http://bugs.webkit.org/show_bug.cgi?id=19180
ap at webkit.org changed:
What |Removed |Added
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Attachment #21430| |review?
Flag| |
------- Comment #26 from ap at webkit.org 2008-05-30 06:51 PDT -------
Created an attachment (id=21430)
--> (http://bugs.webkit.org/attachment.cgi?id=21430&action=view)
Patch for << and >>>
Randomness strikes again, but a win overall.
Many of these above cases can be further improved by using inline assembly - it
is faster to try an arithmetic operation and check carry and overflow flags
than to check if it can be run.
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