This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: PR 11319 analyzed (Re: Patch fixing 3.3 bug PR 9745 and PR 10021)
- From: Michael Matz <matz at suse dot de>
- To: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>
- Cc: Jim Wilson <wilson at tuliptree dot org>,Mark Mitchell <mark at codesourcery dot com>,David Edelsohn <dje at watson dot ibm dot com>,Marcus Meissner <meissner at suse dot de>, <gcc at gcc dot gnu dot org>,Olaf Hering <olh at suse dot de>, <dalej at apple dot com>
- Date: Tue, 15 Jul 2003 22:02:20 +0200 (CEST)
- Subject: Re: PR 11319 analyzed (Re: Patch fixing 3.3 bug PR 9745 and PR 10021)
Hi,
On Tue, 15 Jul 2003, Franz Sirl wrote:
> - why does load_mems() use true_depedence() even if -fno-strict-aliasing?
That's OK, since alias sets will be zero for all mems when
-fno-strict-aliasing. But true_dependence also checks for other reasons
why certain mems couldn't possibly overlap. And this is what currently is
wrong sometimes.
Ciao,
Michael.