[Webkit-unassigned] [Bug 19803] Merge multiple loads into a single instruction

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=19803





------- Comment #1 from cwzwarich at uwaterloo.ca  2008-06-28 16:24 PDT -------
Created an attachment (id=21990)
 --> (https://bugs.webkit.org/attachment.cgi?id=21990&action=view)
Patch that causes regression

Here is a patch that causes a performance regression of about 8% on SunSpider,
despite the opcode not even being used. I originally had the opcode after
op_load, but even moving it near the end didn't fix the regression.


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