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Re: Reload Issue -- I can't believe we haven't hit this before

From: Eric Botcazou <ebotcazou at libertysurf dot fr>
To: law at redhat dot com
Cc: gcc at gcc dot gnu dot org
Date: Tue, 19 Apr 2005 21:36:37 +0200
Subject: Re: Reload Issue -- I can't believe we haven't hit this before
References: <1113890539.803.116.camel@localhost.localdomain> <200504190849.52832.ebotcazou@libertysurf.fr> <1113926918.803.121.camel@localhost.localdomain>

> > For 3.3 and 3.4, this was "fixed" by not recording memory equivalences
> > that have the infamous RTX_UNCHANGING_P flag set.
>
> Also a possibility.  Making the equivalent change (!MEM_READONLY_P)
> appears to do the trick for mainline.

Yes, but that's of course not optimal, unnecessary spills are generated.

-- 
Eric Botcazou

Follow-Ups:
- Re: Reload Issue -- I can't believe we haven't hit this before
  - From: Jeffrey A Law

References:
- Reload Issue -- I can't believe we haven't hit this before
  - From: Jeffrey A Law
- Re: Reload Issue -- I can't believe we haven't hit this before
  - From: Eric Botcazou
- Re: Reload Issue -- I can't believe we haven't hit this before
  - From: Jeffrey A Law

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