[Bug tree-optimization/27004] [4.1/4.2 Regression] Insane amount of memory needed at -O1 and above because of salias

[rguenther at suse dot de]

------- Comment #2 from rguenther at suse dot de  2006-04-03 14:39 -------
Subject: Re:  [4.1/4.2 Regression] Insane amount
 of memory needed at -O1 and above because of salias

On Mon, 3 Apr 2006, dberlin at dberlin dot org wrote:

> On Mon, 2006-04-03 at 13:43 +0000, bonzini at gnu dot org wrote:
> > spinning a separate bug from PR26830.  we are creating a lot of field memory
> > tags, each of which is present in a 900-argument phi, which causes us to use
> > more memory than 4.0.
> > 
> > to some extent this is unavoidable, but I wonder if we could throttle things
> > down a bit?
> > 
> 
> Err, why do we have a 900 argument phi?
> Seems a bit large.

Because the testcase is - err - interesting.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27004