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Re: Type based aliasing
- From: Nathan Sidwell <nathan at codesourcery dot com>
- To: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- Cc: gcc at gcc dot gnu dot org
- Date: Sat, 05 Oct 2002 19:55:39 +0100
- Subject: Re: Type based aliasing
- Organization: Codesourcery LLC
- References: <3D9B6418.800@codesourcery.com> <3D9F092E.10302@moene.indiv.nluug.nl>
Toon Moene wrote:
(f77 has code like the above, where the condition may or may not be
false.)
Fortran rules don't allow arguments (which are references in g77) to
overlap at all, so in this case, g77 would just assume (without
checking) that *ip and *fp wouldn't overlap.
yes.Sorry to be unclear, the f77 front end has such (C) code. I will
provide the obvious patch to inhibit the warning.
nathan
--
Dr Nathan Sidwell :: http://www.codesourcery.com :: CodeSourcery LLC
'But that's a lie.' - 'Yes it is. What's your point?'
nathan@codesourcery.com : http://www.cs.bris.ac.uk/~nathan/ : nathan@acm.org