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From: "aoliva at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/55547] [4.8 Regression] Alias analysis does not handle AND addresses correctly
Date: Fri, 18 Jan 2013 11:01:00 -0000	[thread overview]
Message-ID: <bug-55547-4-aH9JGJLIg1@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-55547-4@http.gcc.gnu.org/bugzilla/>


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55547

--- Comment #13 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2013-01-18 10:57:50 UTC ---
Author: aoliva
Date: Fri Jan 18 10:57:36 2013
New Revision: 195289

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195289
Log:
PR rtl-optimization/55547
PR rtl-optimization/53827
PR debug/53671
PR debug/49888
* alias.c (offset_overlap_p): New, factored out of...
(memrefs_conflict_p): ... this.  Use absolute sizes.  Retain
the conservative special case for symbolic constants.  Don't
adjust zero sizes on alignment.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/alias.c


  parent reply	other threads:[~2013-01-18 10:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-30 13:13 [Bug rtl-optimization/55547] New: " ubizjak at gmail dot com
2012-12-01  9:22 ` [Bug rtl-optimization/55547] " ubizjak at gmail dot com
2012-12-01  9:23 ` [Bug rtl-optimization/55547] [4.8 Regression] " ubizjak at gmail dot com
2012-12-07 13:59 ` rguenth at gcc dot gnu.org
2012-12-07 21:45 ` aoliva at gcc dot gnu.org
2012-12-07 23:30 ` aoliva at gcc dot gnu.org
2012-12-09 13:52 ` ubizjak at gmail dot com
2012-12-09 22:44 ` ubizjak at gmail dot com
2013-01-02  8:30 ` ubizjak at gmail dot com
2013-01-15 16:48 ` rth at gcc dot gnu.org
2013-01-16  4:32 ` aoliva at gcc dot gnu.org
2013-01-16  4:37 ` aoliva at gcc dot gnu.org
2013-01-16 15:20 ` jakub at gcc dot gnu.org
2013-01-16 16:31 ` jakub at gcc dot gnu.org
2013-01-18 11:01 ` aoliva at gcc dot gnu.org [this message]
2013-01-18 11:06 ` aoliva at gcc dot gnu.org

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