[ast-optimizer-branch] Simplification is pretty expensive

Jan Hubicka jh@suse.cz
Tue Jun 4 10:32:00 GMT 2002


> On Tue, 2002-06-04 at 11:58, Jan Hubicka wrote:
> 
> > Note that Andreas is already tracking the branch, so he has some history
> > about the development, but since the simplification has been broken for
> > a while, there is just huge gap in the results.
> >
> Yes.  The huge slowdown started when we finally fixed simplification.  
> > > 
> > > At least the SPEC scores don't seem to have been affected.  It's
> > 
> > For Andrea's testing they definitly are.  The scores seems to be
> > consistently worse with -ftree-ssa
> >
> Odd.  -ftree-ssa didn't actually do *anything* until last week.

I tought it just enabled the simplification pass?

Honza



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