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

[bugzilla-daemon at webkit.org]

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





--- Comment #7 from Yuqiang Xian <yuqiang.xian at intel.com>  2011-11-20 19:40:42 PST ---
(In reply to comment #6)
> r=me.  Sorry for the long delay in getting around to looking at this!
> 
> By the way, do you know how many of the cases where this is a win have a constant divisor?

Thanks!

I don't know the answer to your question. While I guess we can add some fast paths to complex arithmetic operations (e.g., mod, div, mul) for known constants, where we could do some strength reduction peephole optimizations and see how they impact the performance. What do you think?

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