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[Bug tree-optimization/18557] Inefficient code generated by -ftree-vectorize on Alpha
- From: "dorit at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 19 Nov 2004 18:24:36 -0000
- Subject: [Bug tree-optimization/18557] Inefficient code generated by -ftree-vectorize on Alpha
- References: <20041118235414.18557.falk@debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dorit at il dot ibm dot com 2004-11-19 18:24 -------
(In reply to comment #5)
> (In reply to comment #2)
> > Subject: Re: Inefficient code generated by
> > -ftree-vectorize on Alpha
> > On Fri, 2004-11-19 at 00:04 +0000, pinskia at gcc dot gnu dot org wrote:
> > > ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-
19 00:04 -------
> > > Confirmed.
> > > One issue is that we don't fold stuff:
> > > D.1061 = 8 - 1;
> > > D.1065 = 2 - 1;
> >
I expect these would go away with this patch:
http://gcc.gnu.org/ml/gcc-patches/2004-11/msg01512.html
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18557