[Bug tree-optimization/30052] [4.2 Regression] possible quadratic behaviour.

dberlin at dberlin dot org gcc-bugzilla@gcc.gnu.org
Sat May 19 16:30:00 GMT 2007



------- Comment #22 from dberlin at gcc dot gnu dot org  2007-05-19 17:30 -------
Subject: Re:  [4.2 Regression] possible quadratic behaviour.

On 19 May 2007 14:30:43 -0000, pluto at agmk dot net
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #21 from pluto at agmk dot net  2007-05-19 15:30 -------
> with this patc gcc works much better.
>
> xf86ScanPci.i         : 84MB / ~5sec.
> sipQtCorepart0.ii.bz2 : 340MB / ~440sec

There are optimizations that could be made to the 440 seconds if they
are in PTA solving, but they wouldn't really help mainline much, so
i'm not sure if it is worth it.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30052



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