[Webkit-unassigned] [Bug 72501] Improve modulo operation on 32bit platforms

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=72501


Yuqiang Xian <yuqiang.xian at intel.com> changed:

           What    |Removed                     |Added
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 Attachment #115385|0                           |1
        is obsolete|                            |




--- Comment #3 from Yuqiang Xian <yuqiang.xian at intel.com>  2011-11-16 18:36:33 PST ---
Created an attachment (id=115509)
 --> (https://bugs.webkit.org/attachment.cgi?id=115509&action=review)
patch updated

Just found the previous patch may have problem in DFG as in certain cases the dividend or divisor registers could be modified (for negative dividend or negative divisor), if they're not spilled and not the last use then future operations on those operands could generate wrong results.

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