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Re: optimization/7120: Run once loop should *always* be unrolled
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: nobody at gcc dot gnu dot org
- Cc: gcc-prs at gcc dot gnu dot org,
- Date: 26 Jun 2002 03:56:01 -0000
- Subject: Re: optimization/7120: Run once loop should *always* be unrolled
- Reply-to: Alan Modra <amodra at bigpond dot net dot au>
The following reply was made to PR optimization/7120; it has been noted by GNATS.
From: Alan Modra <amodra@bigpond.net.au>
To: davem@gcc.gnu.org, gcc-bugs@gcc.gnu.org, nobody@gcc.gnu.org,
rth@twiddle.net, rusty@rustcorp.com.au, gcc-gnats@gcc.gnu.org,
gcc-patches@gcc.gnu.org
Cc:
Subject: Re: optimization/7120: Run once loop should *always* be unrolled
Date: Wed, 26 Jun 2002 13:17:00 +0930
On Wed, Jun 26, 2002 at 12:54:56PM +0930, Alan Modra wrote:
> On Tue, Jun 25, 2002 at 04:21:32PM -0000, davem@gcc.gnu.org wrote:
> > Synopsis: Run once loop should *always* be unrolled
>
> This patch cures the problem. bootstrap i686-linux in progress.
>
> * unroll.c (loop_iterations): Handle EQ loops.
Bah, that's too simplistic. Patch withdrawn.
--
Alan Modra
IBM OzLabs - Linux Technology Centre