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Re: Patch to fix simplify_subreg ICE

From: Alan Matsuoka <alanm at cygnus dot com>
To: Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org, gcc-local at cygnus dot com
Date: Tue, 11 Dec 2001 15:30:52 -0500
Subject: Re: Patch to fix simplify_subreg ICE
Organization: Red Hat Canada
References: <20011211125441.A17562@85689-b.mtwh.phub.net.cable.rogers.com> <20011211103422.F24420@redhat.com> <20011211134436.A12137@85689-b.mtwh.phub.net.cable.rogers.com> <20011211122648.B24490@redhat.com>

On Tue, 11 Dec 2001, Richard Henderson wrote:

> On Tue, Dec 11, 2001 at 01:44:36PM -0500, Alan Matsuoka wrote:
> > where GET_MODE (op) is CCrev. Innermode is HImode.
> 
> I can see that building a subreg of a CC_MODE thing is going
> to abort, but that's not what your patch checked.
> 
> 

Ooop. You're right. I'm looking at a compare op. How do I prevent the
building of  subreg when there is a CC_MODE  thing? Especially when it uses
EXTRA_CC_MODES ?

Alan Matsuoka
GCC Engineering
Red Hat Canada, Ltd
mailto:alanm@redhat.com Tel: (416) 482-2661 x250 / Fax: (416) 482-6299

References:
- Patch to fix simplify_subreg ICE
  - From: Alan Matsuoka
- Re: Patch to fix simplify_subreg ICE
  - From: Richard Henderson
- Re: Patch to fix simplify_subreg ICE
  - From: Alan Matsuoka
- Re: Patch to fix simplify_subreg ICE
  - From: Richard Henderson

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