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Re: [PATCH] Fix PR middle-end/26306

From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
To: mark at codesourcery dot com
Cc: ebotcazou at adacore dot com, gcc-patches at gcc dot gnu dot org
Date: Wed, 15 Nov 2006 12:45:25 EST
Subject: Re: [PATCH] Fix PR middle-end/26306
References: <200611051703.14455.ebotcazou@adacore.com> <200611081902.41003.ebotcazou@adacore.com> <45522B38.7050505@codesourcery.com> <200611151352.52502.ebotcazou@adacore.com> <455B4D65.9040007@codesourcery.com>

> > +If it is a scalar type, or an aggregate type whose only member object is
> > +of a scalar type, or a union type whose member objects are of scalar types,
> > +the expression is interpreted by GCC as a read of the volatile object; in
> > +the other cases, the expression is only evaluated for its side-effects.
> 
> Is that true on all platforms?  Are there no platforms where "long
> long", or a structure containing that, gets BLKmode?

There are no platforms where "long long" is BLKmode.  There might be
some with a struct containing only that being BLKmode, but I don't think
we need to worry about being that precise.

Follow-Ups:
- Re: [PATCH] Fix PR middle-end/26306
  - From: Mark Mitchell

References:
- [PATCH] Fix PR middle-end/26306
  - From: Eric Botcazou
- Re: [PATCH] Fix PR middle-end/26306
  - From: Eric Botcazou
- Re: [PATCH] Fix PR middle-end/26306
  - From: Mark Mitchell
- Re: [PATCH] Fix PR middle-end/26306
  - From: Eric Botcazou
- Re: [PATCH] Fix PR middle-end/26306
  - From: Mark Mitchell

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