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Re: optimization/9319: slower code generated for simple loop on linux

From: Richard Henderson <rth at redhat dot com>
To: Eric Botcazou <ebotcazou at libertysurf dot fr>
Cc: Amnon Cohen <amnon_cohen at yahoo dot com>, gcc-bugs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
Date: Tue, 21 Jan 2003 18:05:43 -0800
Subject: Re: optimization/9319: slower code generated for simple loop on linux
References: <20030116133027.65208.qmail@web40601.mail.yahoo.com> <200301162006.39273.ebotcazou@libertysurf.fr> <20030117033144.GB1120@redhat.com> <200301220006.37848.ebotcazou@libertysurf.fr>

On Wed, Jan 22, 2003 at 12:09:52AM +0100, Eric Botcazou wrote:
> Would you support relaxing the code when unrolling is disabled, in order to 
> recover the optimization loss in that case ?

No.  The notes used by loop.c would still be in the wrong place.  


r~

References:
- Re: optimization/9319: slower code generated for simple loop on linux
  - From: Amnon Cohen
- Re: optimization/9319: slower code generated for simple loop on linux
  - From: Eric Botcazou
- Re: optimization/9319: slower code generated for simple loop on linux
  - From: Richard Henderson
- Re: optimization/9319: slower code generated for simple loop on linux
  - From: Eric Botcazou

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