From: Richard Henderson <rth@redhat.com>
To: Daniel Berlin <dberlin@dberlin.org>
Cc: Dale Johannesen <dalej@apple.com>,
"Sanjiv Kumar Gupta, Noida" <sanjivg@noida.hcltech.com>,
gcc@gcc.gnu.org
Subject: Re: possible gcse failure: not able to eliminate redundant loads
Date: Thu, 12 Dec 2002 12:25:00 -0000 [thread overview]
Message-ID: <20021212200530.GA23940@redhat.com> (raw)
In-Reply-To: <071040D0-0D74-11D7-AE57-000393575BCC@dberlin.org>
On Wed, Dec 11, 2002 at 08:50:01PM -0500, Daniel Berlin wrote:
> >>> for (i ; i < 3; i = i + 8)
> >>> {
> >>> a[4] = a[1];
> >>> }
[...]
> Store motion can't handle this right now.
This shouldn't have anything to do with store motion. Not for this
simple case. If these memories are known to not alias, then they
should be hoisted out of the loop by load_mems.
To me it's clear that this is an alias.c defect.
r~
next prev parent reply other threads:[~2002-12-12 20:05 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-11 3:30 Sanjiv Kumar Gupta, Noida
2002-12-11 14:53 ` Dale Johannesen
2002-12-11 20:02 ` Daniel Berlin
2002-12-11 20:03 ` Daniel Berlin
2002-12-12 12:25 ` Richard Henderson [this message]
2002-12-12 12:28 ` Daniel Berlin
2002-12-12 13:03 ` Richard Henderson
2002-12-12 13:04 ` David Edelsohn
2002-12-12 14:32 ` Richard Henderson
2002-12-12 14:42 ` David Edelsohn
2002-12-12 14:58 ` Richard Henderson
2002-12-12 15:28 ` Daniel Berlin
2002-12-13 3:41 ` Richard Henderson
2002-12-12 20:30 ` David Edelsohn
2002-12-12 15:29 ` Geoff Keating
-- strict thread matches above, loose matches on Subject: below --
2002-12-21 20:36 Robert Dewar
2002-12-19 7:08 Richard Kenner
2002-12-18 18:39 Robert Dewar
2002-12-19 3:02 ` Richard Henderson
2002-12-21 19:49 ` Alexandre Oliva
2002-12-13 0:39 Sanjiv Kumar Gupta, Noida
2002-12-13 2:42 ` Richard Henderson
2002-12-13 13:10 ` Toon Moene
2002-12-16 10:15 ` Richard Henderson
2002-12-16 11:32 ` Andrew Haley
2002-12-16 13:13 ` Toon Moene
2002-12-16 13:32 ` Richard Henderson
2002-12-16 14:44 ` Toon Moene
2002-12-16 14:48 ` Toon Moene
2002-12-16 15:29 ` Richard Henderson
2002-12-17 15:20 ` Toon Moene
2002-12-16 15:38 ` Jan Hubicka
2002-12-16 16:40 ` Alex Rosenberg
2002-12-12 23:42 Sanjiv Kumar Gupta, Noida
2002-12-12 21:35 Sanjiv Kumar Gupta, Noida
2002-12-12 21:44 ` Dan Nicolaescu
2002-12-11 22:00 Sanjiv Kumar Gupta, Noida
2002-12-11 22:18 ` Daniel Berlin
2002-12-11 20:32 Sanjiv Kumar Gupta, Noida
2002-12-11 3:27 Sanjiv Kumar Gupta, Noida
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