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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 13:54:25 +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><Pine.LNX.4.53.0404291124490.8230@bellatrix.tat.physik.uni-tuebingen.de><200404291223.10485.ebotcazou@libertysurf.fr>

On Thu, 29 Apr 2004, Eric Botcazou wrote:

> > The testcase fails with -O2 -funroll-loops and is fine if including
> > either -fno-gcse or -fno-force-mem or omitting -funroll-loops.
>
> Does it help if you backport the following patch?
>
> 2003-04-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
>
> 	* loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Provide defaults
> 	for insns without luid.

Backporting this patch doesn't help either, unfortunately.

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

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