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From: "jingyu at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/42691] [4.4/4.5 regression] problematic REG_EQUAL note added to SUBREG
Date: Fri, 15 Jan 2010 19:09:00 -0000 [thread overview]
Message-ID: <20100115190905.19958.qmail@sourceware.org> (raw)
In-Reply-To: <bug-42691-17567@http.gcc.gnu.org/bugzilla/>
------- Comment #13 from jingyu at gcc dot gnu dot org 2010-01-15 19:09 -------
Subject: Bug 42691
Author: jingyu
Date: Fri Jan 15 19:08:53 2010
New Revision: 155945
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155945
Log:
Backport from mainline(4.5) to fix a regression bug.
2010-01-15 Jing Yu <jingyu@google.com>
PR rtl-optimization/42691
* combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
a pseudo to a constant and are merged, and adjust comments.
2010-01-15 Jing Yu <jingyu@google.com>
PR rtl-optimization/42691
* gcc.c-torture/execute/pr42691.c: New.
Added:
branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/execute/pr42691.c
Modified:
branches/gcc-4_4-branch/gcc/ChangeLog
branches/gcc-4_4-branch/gcc/combine.c
branches/gcc-4_4-branch/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42691
next prev parent reply other threads:[~2010-01-15 19:09 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-11 19:45 [Bug middle-end/42691] New: Wrong REG_EQUAL note is added to SUBREG node jingyu at google dot com
2010-01-11 19:59 ` [Bug middle-end/42691] " jingyu at google dot com
2010-01-11 22:00 ` [Bug rtl-optimization/42691] problematic REG_EQUAL note added to SUBREG ebotcazou at gcc dot gnu dot org
2010-01-12 2:45 ` jingyu at google dot com
2010-01-12 8:57 ` ebotcazou at gcc dot gnu dot org
2010-01-12 9:33 ` ramana at gcc dot gnu dot org
2010-01-12 22:22 ` jingyu at google dot com
2010-01-13 1:18 ` jingyu at google dot com
2010-01-13 10:03 ` ebotcazou at gcc dot gnu dot org
2010-01-13 20:04 ` jingyu at google dot com
2010-01-13 22:57 ` jingyu at google dot com
2010-01-13 23:27 ` ebotcazou at gcc dot gnu dot org
2010-01-14 0:13 ` jingyu at google dot com
2010-01-14 9:32 ` [Bug rtl-optimization/42691] [4.4/4.5 regression] " rguenth at gcc dot gnu dot org
2010-01-15 18:48 ` jingyu at gcc dot gnu dot org
2010-01-15 19:09 ` jingyu at gcc dot gnu dot org [this message]
2010-01-15 20:59 ` sezeroz at gmail dot com
2010-01-15 21:11 ` mikpe at it dot uu dot se
2010-01-15 21:14 ` jingyu at google dot com
2010-01-15 21:42 ` mikpe at it dot uu dot se
2010-01-15 21:46 ` jingyu at google dot com
2010-01-15 21:50 ` ebotcazou at gcc dot gnu dot org
2010-01-15 21:54 ` jingyu at gcc dot gnu dot org
2010-01-15 21:59 ` jakub at gcc dot gnu dot org
2010-01-15 22:12 ` jingyu at gcc dot gnu dot org
2010-01-15 22:25 ` jingyu at google dot com
2010-01-16 16:05 ` jakub at gcc dot gnu dot org
2010-01-20 23:30 ` rguenth at gcc dot gnu dot org
2010-01-20 23:48 ` jingyu at google dot com
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