[Issue 4383] Optimizer doesn't keep floating point values on the stack if used more than once

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http://d.puremagic.com/issues/show_bug.cgi?id=4383



--- Comment #5 from BCS <shro8822 at vandals.uidaho.edu> 2010-06-26 08:28:26 PDT ---
(In reply to comment #4)
> (In reply to comment #3)
> > I was primarily thinking of removing total nop cases (store+load+never used
> > again). 
> 
> That's why it needs to be done earlier. pinhole doesn't know if values are used
> again.

So a pinhole optimizer doesn't see enough. Got it.

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