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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 16:21:00 -0800
Subject: Re: [cft] subreg validation patch
References: <200411120930.37626.ebotcazou@libertysurf.fr> <200411140047.13773.ebotcazou@libertysurf.fr> <20041113235022.GA23417@redhat.com> <200411140104.42157.ebotcazou@libertysurf.fr>

On Sun, Nov 14, 2004 at 01:07:34AM +0100, Eric Botcazou wrote:
> As far as I can see, almost all splitters in sparc.md use gen_lowpart and 
> gen_highpart, disregarding their post-reloadness.  I'll fix them tomorrow.

Except that I would think that gen_lowpart/highpart should be creating
a new hard register rtx when given an input hard register rtx.

I'll look into it later tonight.

r~

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

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