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Re: PRE (sometimes) confuses ivopts/scev?
- From: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
- To: Daniel Berlin <dberlin at dberlin dot org>
- Cc: Ulrich Weigand <uweigand at de dot ibm dot com>, <gcc at gcc dot gnu dot org>
- Date: Tue, 25 Jan 2005 10:04:56 +0100 (CET)
- Subject: Re: PRE (sometimes) confuses ivopts/scev?
On Mon, 24 Jan 2005, Daniel Berlin wrote:
> > I did leave in the
> > if (firstinsideloop ^ secondinsideloop)
>
> This is pretty much what i'm testing now.
This helps - though for the particular function there is now
Insertions:0
New PHIs:0
Eliminated:0
Constified:0
but I didn't expect any obvious redundant computations in the
function anyway.
--
Richard Guenther <richard dot guenther at uni-tuebingen dot de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/