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Re: [PATCH] Fix PR52406

From: Michael Matz <matz at suse dot de>
To: Richard Guenther <rguenther at suse dot de>
Cc: gcc-patches at gcc dot gnu dot org
Date: Wed, 29 Feb 2012 16:38:33 +0100 (CET)
Subject: Re: [PATCH] Fix PR52406
References: <alpine.LNX.2.00.1202281607020.18230@zhemvz.fhfr.qr> <alpine.LNX.2.00.1202291541060.18230@zhemvz.fhfr.qr>

Hi,

On Wed, 29 Feb 2012, Richard Guenther wrote:

> the whole base object - instead I mark the base MEM_REF of such accesses 
> with TREE_NO_WARNING (ugh) and special-case for them in dr_may_alias_p.  

At least use a flag that isn't currently used for MEM_REF.  E.g. 
addressable_flag, and make a new macro that checks for the tree being a 
MEMREF to access it.

Ciao,
Michael.

Follow-Ups:
- Re: [PATCH] Fix PR52406
  - From: Richard Guenther

References:
- [PATCH] Fix PR52406
  - From: Richard Guenther
- Re: [PATCH] Fix PR52406
  - From: Richard Guenther

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