[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


ap at webkit.org changed:

           What    |Removed                     |Added
  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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