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Re: [PATCH] Fix PR middle-end/39976, 200.sixtrack degradation

Hi,

On Fri, 2 Dec 2011, Jeff Law wrote:

> So while continuing to have the phis in the available expression table 
> is not useful beyond the current block, the equivalency created when a 
> redundant PHI is encountered is useful to keep.

That's why I said to only clear the avail_exprs stack/vect not the 
const_or_copies one.


Ciao,
Michael.
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