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Re: Inner-loop optimization regression from 3.3 to 3.4

From: Richard Henderson <rth at redhat dot com>
To: Falk Hueffner <falk dot hueffner at student dot uni-tuebingen dot de>
Cc: Jan Hubicka <jh at suse dot cz>, Zack Weinberg <zack at codesourcery dot com>, gcc at gcc dot gnu dot org
Date: Sun, 19 Oct 2003 09:36:41 -0700
Subject: Re: Inner-loop optimization regression from 3.3 to 3.4
References: <87vfqt66ge.fsf@codesourcery.com> <20031013130323.GY14005@kam.mff.cuni.cz> <87fzhvdxf3.fsf@codesourcery.com> <20031017141002.GF6212@kam.mff.cuni.cz> <20031018201817.GB29612@redhat.com> <87wub15z6g.fsf@student.uni-tuebingen.de>

On Sun, Oct 19, 2003 at 11:55:51AM +0200, Falk Hueffner wrote:
> Maybe it's easier to do that in the machine description, that way it
> gets also optimized if the user explicitely specified x >> 63.

Eh.  I'd really rather not...  There are an uncountable multitude
of such.  I'd hope that the user example would be handled by 
combine.

r~

Follow-Ups:
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Jan Hubicka

References:
- Inner-loop optimization regression from 3.3 to 3.4
  - From: Zack Weinberg
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Jan Hubicka
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Zack Weinberg
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Jan Hubicka
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Richard Henderson
- Re: Inner-loop optimization regression from 3.3 to 3.4
  - From: Falk Hueffner

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