public inbox for gcc-bugs@sourceware.org
help / color / mirror / Atom feed
From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/23821] [4.3/4.4/4.5 Regression] DOM and VRP creating harder to optimize code
Date: Mon, 05 Oct 2009 13:18:00 -0000 [thread overview]
Message-ID: <20091005131826.2057.qmail@sourceware.org> (raw)
In-Reply-To: <bug-23821-5077@http.gcc.gnu.org/bugzilla/>
------- Comment #30 from rguenth at gcc dot gnu dot org 2009-10-05 13:18 -------
Subject: Bug 23821
Author: rguenth
Date: Mon Oct 5 13:18:09 2009
New Revision: 152449
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=152449
Log:
2009-10-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/23821
* tree-vrp.c (vrp_finalize): Do not perform copy propagation.
* tree-ssa-dom.c (cprop_operand): Do not propagate copies into
simple IV increments.
* gcc.dg/torture/pr23821.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr23821.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dom.c
trunk/gcc/tree-vrp.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23821
next prev parent reply other threads:[~2009-10-05 13:18 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-23821-5077@http.gcc.gnu.org/bugzilla/>
2005-10-16 22:10 ` [Bug tree-optimization/23821] [4.0/4.1 " pinskia at gcc dot gnu dot org
2005-10-31 5:42 ` mmitchel at gcc dot gnu dot org
2005-11-13 16:17 ` steven at gcc dot gnu dot org
2005-11-14 9:16 ` rakdver at gcc dot gnu dot org
2006-02-09 23:05 ` [Bug tree-optimization/23821] [4.0/4.1/4.2 " steven at gcc dot gnu dot org
2006-02-09 23:52 ` rakdver at gcc dot gnu dot org
2006-02-13 8:45 ` sebastian dot pop at cri dot ensmp dot fr
2006-02-24 0:26 ` mmitchel at gcc dot gnu dot org
2006-05-25 2:35 ` mmitchel at gcc dot gnu dot org
2007-02-14 9:11 ` [Bug tree-optimization/23821] [4.0/4.1/4.2/4.3 " mmitchel at gcc dot gnu dot org
2007-10-19 21:54 ` spop at gcc dot gnu dot org
2007-12-16 23:17 ` steven at gcc dot gnu dot org
2008-01-10 1:21 ` spop at gcc dot gnu dot org
2008-01-12 0:12 ` spop at gcc dot gnu dot org
2008-01-12 2:33 ` sebpop at gmail dot com
2008-01-12 12:39 ` rguenth at gcc dot gnu dot org
2008-01-12 12:39 ` pinskia at gmail dot com
2008-01-12 12:43 ` rguenth at gcc dot gnu dot org
2008-01-12 12:45 ` pinskia at gcc dot gnu dot org
2008-07-04 20:03 ` [Bug tree-optimization/23821] [4.2/4.3/4.4 " jsm28 at gcc dot gnu dot org
2009-03-31 18:55 ` [Bug tree-optimization/23821] [4.3/4.4/4.5 " jsm28 at gcc dot gnu dot org
2009-07-22 16:27 ` spop at gcc dot gnu dot org
2009-07-22 19:33 ` rguenth at gcc dot gnu dot org
2009-08-04 12:32 ` rguenth at gcc dot gnu dot org
2009-09-23 15:23 ` rguenth at gcc dot gnu dot org
2009-09-25 14:27 ` rahul at icerasemi dot com
2009-09-25 14:40 ` rguenth at gcc dot gnu dot org
2009-09-25 14:59 ` rguenth at gcc dot gnu dot org
2009-09-25 17:10 ` rahul at icerasemi dot com
2009-09-28 11:18 ` rguenth at gcc dot gnu dot org
2009-10-05 13:18 ` rguenth at gcc dot gnu dot org [this message]
2009-10-05 13:19 ` [Bug tree-optimization/23821] [4.3/4.4 " rguenth at gcc dot gnu dot org
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20091005131826.2057.qmail@sourceware.org \
--to=gcc-bugzilla@gcc.gnu.org \
--cc=gcc-bugs@gcc.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).