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From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/14784] [Tree-ssa] alias analysis deficiency
Date: Thu, 16 Feb 2006 21:40:00 -0000 [thread overview]
Message-ID: <20060216214028.6311.qmail@sourceware.org> (raw)
In-Reply-To: <bug-14784-5077@http.gcc.gnu.org/bugzilla/>
------- Comment #4 from pinskia at gcc dot gnu dot org 2006-02-16 21:40 -------
We get:
# bitmap_free_7 = PHI <bitmap_free_1(4), bitmap_free_6(5)>;
<L0>:;
# bitmap_free_1 = PHI <bitmap_free_7(3), bitmap_free_2(2)>;
<L4>:;
# VUSE <bitmap_free_1>;
D.1534_4 = head_3->using_obstack;
if (D.1534_4 != 0) goto <L1>; else goto <L0>;
<L1>:;
# bitmap_free_6 = V_MUST_DEF <bitmap_free_1>;
bitmap_free = elt_5;
goto <bb 3> (<L0>);
I cannot figure out why Daniel's recent patches did not fix this one.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14784
next parent reply other threads:[~2006-02-16 21:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-14784-5077@http.gcc.gnu.org/bugzilla/>
2006-02-16 21:40 ` pinskia at gcc dot gnu dot org [this message]
2006-02-17 1:04 ` Daniel Berlin
2006-02-17 1:04 ` dberlin at dberlin dot org
2006-10-23 9:23 ` rakdver at gcc dot gnu dot org
2006-10-24 0:12 ` rakdver at gcc dot gnu dot org
2006-10-26 13:00 ` pinskia at gcc dot gnu dot org
2006-10-31 15:00 ` hjl at lucon dot org
2006-10-31 15:02 ` hjl at lucon dot org
2006-10-31 15:05 ` Daniel Berlin
2006-10-31 15:05 ` dberlin at dberlin dot org
2006-10-31 21:49 ` hjl at lucon dot org
2006-10-31 22:22 ` hjl at lucon dot org
2006-11-13 12:38 ` rakdver at gcc dot gnu dot org
2006-11-13 13:54 ` pinskia at gcc dot gnu dot org
2006-11-20 2:37 ` pinskia at gcc dot gnu dot org
2006-12-01 1:09 ` chaoyingfu at gcc dot gnu dot org
2006-12-05 18:26 ` rakdver at gcc dot gnu dot org
2006-12-13 7:37 ` pinskia at gcc dot gnu dot org
2004-03-30 16:03 [Bug middle-end/14784] New: Tree-ssa " rakdver at gcc dot gnu dot org
2004-05-24 23:30 ` [Bug tree-optimization/14784] [Tree-ssa] " pinskia at gcc dot gnu dot org
2005-01-13 1:02 ` pinskia at gcc dot gnu dot org
2005-01-20 21:38 ` dberlin at gcc dot gnu dot org
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