This is the mail archive of the fortran@gcc.gnu.org mailing list for the GNU Fortran project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: [patch] Fix aliasing problem with fortran

From: Paul Brook <paul at codesourcery dot com>
To: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
Cc: fortran at gcc dot gnu dot org,gcc-patches at gcc dot gnu dot org,Steven Bosscher <stevenb at suse dot de>
Date: Tue, 17 May 2005 01:29:27 +0100
Subject: Re: [patch] Fix aliasing problem with fortran
Organization: CodeSourcery
References: <20050516193208.GD16082@atrey.karlin.mff.cuni.cz> <200505170111.20281.paul@codesourcery.com> <20050517002253.GC16059@atrey.karlin.mff.cuni.cz>

On Tuesday 17 May 2005 01:22, Zdenek Dvorak wrote:
> > It might not occur now, but I guess it could if we start passing
> > alias information down from trees to rtl.
>
> This might be the case; if so, the types would have to be shared
> completely to avoid this problem.

I'm not sure this is even possible.  Can't we tweak the alias analysis to say 
that these types can alias? I'm fairly sure the C frontends do this for 
structs with the same initial members.

Paul

Follow-Ups:
- Re: [patch] Fix aliasing problem with fortran
  - From: Zdenek Dvorak

References:
- [patch] Fix aliasing problem with fortran
  - From: Zdenek Dvorak
- Re: [patch] Fix aliasing problem with fortran
  - From: Paul Brook
- Re: [patch] Fix aliasing problem with fortran
  - From: Zdenek Dvorak

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]