This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [3.3 PATCH] Fix PR optimization/11841

From: Richard Guenther <rguenth at tat dot physik dot uni-tuebingen dot de>
To: Eric Botcazou <ebotcazou at libertysurf dot fr>
Cc: gcc-patches at gcc dot gnu dot org
Date: Thu, 29 Apr 2004 11:30:39 +0200 (CEST)
Subject: Re: [3.3 PATCH] Fix PR optimization/11841
References: <Pine.LNX.4.53.0404291110220.8230@bellatrix.tat.physik.uni-tuebingen.de><200404291125.30224.ebotcazou@libertysurf.fr>

On Thu, 29 Apr 2004, Eric Botcazou wrote:

> > Doesn't fix PR optimization/13653 :(
>
> Too bad.  Does the problem happen with -fno-gcse?  If no, then it could be
> another byproduct of the pathological RTL produced by GCSE on 3.3.x.

The testcase fails with -O2 -funroll-loops and is fine if including
either -fno-gcse or -fno-force-mem or omitting -funroll-loops.

Richard.

--
Richard Guenther <richard dot guenther at uni-tuebingen dot de>
WWW: http://www.tat.physik.uni-tuebingen.de/~rguenth/

Follow-Ups:
- Re: [3.3 PATCH] Fix PR optimization/11841
  - From: Eric Botcazou

References:
- Re: [3.3 PATCH] Fix PR optimization/11841
  - From: Richard Guenther
- Re: [3.3 PATCH] Fix PR optimization/11841
  - From: Eric Botcazou

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]