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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/50955] [4.7 Regression] IVopts incorrectly rewrite the address of a global memory access into a local form.
Date: Mon, 06 Feb 2012 13:43:00 -0000	[thread overview]
Message-ID: <bug-50955-4-yAwTtMbhYF@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-50955-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50955

--- Comment #12 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-02-06 13:43:06 UTC ---
Author: rguenth
Date: Mon Feb  6 13:43:03 2012
New Revision: 183934

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183934
Log:
2012-02-06  Richard Guenther  <rguenther@suse.de>

    PR tree-optimization/50955
    * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
    raise cost of expressions that replace an address with an
    expression based on a different pointer.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c


  parent reply	other threads:[~2012-02-06 13:43 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-02  5:12 [Bug tree-optimization/50955] New: " duyuehai at gmail dot com
2011-11-02  5:19 ` [Bug tree-optimization/50955] " duyuehai at gmail dot com
2011-11-02  9:42 ` [Bug tree-optimization/50955] [4.7 Regression] " rguenth at gcc dot gnu.org
2011-11-02 12:50 ` rguenth at gcc dot gnu.org
2011-11-02 13:10 ` rguenth at gcc dot gnu.org
2011-11-02 13:33 ` rguenth at gcc dot gnu.org
2011-11-03  6:25 ` duyuehai at gmail dot com
2011-11-03  7:52 ` rguenther at suse dot de
2011-11-03  8:07 ` rakdver at kam dot mff.cuni.cz
2011-11-03  8:19 ` rguenth at gcc dot gnu.org
2011-12-06 13:56 ` rguenth at gcc dot gnu.org
2012-01-31 10:51 ` rguenth at gcc dot gnu.org
2012-01-31 14:24 ` rguenth at gcc dot gnu.org
2012-02-06 13:43 ` rguenth at gcc dot gnu.org [this message]
2012-02-06 13:44 ` rguenth at gcc dot gnu.org
2013-08-16  4:19 ` pinskia at gcc dot gnu.org
2013-08-16  7:02 ` pinskia at gcc dot gnu.org
2013-08-28  8:33 ` rguenther at suse dot de
2013-12-18  9:42 ` rguenther at suse dot de
2013-12-18 10:24 ` amker.cheng at gmail dot com
2013-12-19  9:57 ` rguenth at gcc dot gnu.org
2015-08-28  9:16 ` amker at gcc dot gnu.org

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