[Webkit-unassigned] [Bug 94779] To reduce cost of converting type during modulo for integers

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94779





--- Comment #7 from hojong.han at samsung.com  2012-08-23 23:19:42 PST ---
(In reply to comment #4)
> This is completely wrong.  Why are you emitting a speculationCheck *after* the call?  The speculationCheck() should be exactly where the branch is.  Please hoist this up to the checkZero, above.

Quick question!!
What's the role of speculationCheck? 
It just links branches to OSRExit as I understood so that I thought it doesn't matter whether speculationCheck is emitted after the call or before.
What's the expected badness if speculationCheck is emitted after the call?

Thanks for your guide in advance.

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