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Re: [cft] subreg validation patch

From: Richard Henderson <rth at redhat dot com>
To: Eric Botcazou <ebotcazou at libertysurf dot fr>
Cc: gcc at gcc dot gnu dot org, Jan Hubicka <jh at suse dot cz>
Date: Sat, 13 Nov 2004 20:41:13 -0800
Subject: Re: [cft] subreg validation patch
References: <200411120930.37626.ebotcazou@libertysurf.fr> <20041113225509.GA23203@redhat.com> <200411140047.13773.ebotcazou@libertysurf.fr>

On Sun, Nov 14, 2004 at 12:48:05AM +0100, Eric Botcazou wrote:
> Problematic on the SPARC because of
...
> which breaks all the DFmode->SFmode splitters.

Did you just guess this would be a problem, or did you observe it?

The sparc that I'm using is awfully slow, but it has successfully
built libgcc during stage1.  I would have assumed that if *all* 
DFmode splitters were affected, that I wouldn't have gotten this far.

r~

Follow-Ups:
- Re: [cft] subreg validation patch
  - From: Geert Bosch
- Re: [cft] subreg validation patch
  - From: Richard Henderson

References:
- Non-representable subregs of subword pseudoregs
  - From: Eric Botcazou
- [cft] subreg validation patch
  - From: Richard Henderson
- Re: [cft] subreg validation patch
  - From: Eric Botcazou

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