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Re: fortran-testcase/dce question
- From: Dorit Naishlos <DORIT at il dot ibm dot com>
- To: Andrew Pinski <pinskia at physics dot uc dot edu>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 21 Sep 2005 10:53:57 +0300
- Subject: Re: fortran-testcase/dce question
Andrew Pinski <pinskia@physics.uc.edu> wrote on 20/09/2005 18:09:20:
>
> On Sep 20, 2005, at 3:01 AM, Dorit Naishlos wrote:
>
> > We've had the testcase below in autovect-branch for a while, testing
> > that
> > the 3 loops get vectorized. On mainline the third loop now gets
> > eliminated
> > by DCE (.t44.dce3). Not sure I understand why... isn't the print loop
> > enough to keep it alive?
>
> It should be but from the looks of it. For some reason in alias2, we
> don't say
> D.503_30 points to anyoffset in &e unlike before. You might be able to
> generate a
> C testcase for this too.
>
> Can you also file a bug?
>
It's PR23989
thanks,
dorit
> Thanks,
> Andrew Pinski
>