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From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/18595] [4.0 Regression] IV-OPTS is O(N^3)
Date: Sun, 23 Jan 2005 17:04:00 -0000 [thread overview]
Message-ID: <20050123170423.25617.qmail@sourceware.org> (raw)
In-Reply-To: <20041121145949.18595.pinskia@gcc.gnu.org>
------- Additional Comments From rakdver at gcc dot gnu dot org 2005-01-23 17:04 -------
One extra N factor seems to be coming from simple_iv
(analyze_scalar_evolution_in_loop). The function was created before
loop closed ssa form, under assumptions of lcssa it should be possible
to get rid of this. I am working on patch
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18595
next prev parent reply other threads:[~2005-01-23 17:04 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-21 14:59 [Bug tree-optimization/18595] New: IV-OPTS is slow (and does not scale) pinskia at gcc dot gnu dot org
2004-11-24 11:15 ` [Bug tree-optimization/18595] " steven at gcc dot gnu dot org
2004-11-25 11:16 ` [Bug tree-optimization/18595] [4.0 Regression] IV-OPTS is O(N^3) belyshev at lubercy dot com
2004-11-27 1:11 ` steven at gcc dot gnu dot org
2004-11-27 1:45 ` belyshev at lubercy dot com
2004-11-27 21:17 ` neroden at gcc dot gnu dot org
2004-11-28 18:43 ` rakdver at gcc dot gnu dot org
2004-12-22 23:40 ` belyshev at depni dot sinp dot msu dot ru
2004-12-23 1:26 ` steven at gcc dot gnu dot org
2004-12-23 1:29 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-23 14:18 ` steven at gcc dot gnu dot org
2005-01-23 15:01 ` Daniel Berlin
2005-01-23 14:22 ` steven at gcc dot gnu dot org
2005-01-23 14:23 ` steven at gcc dot gnu dot org
2005-01-23 14:24 ` steven at gcc dot gnu dot org
2005-01-23 15:02 ` dberlin at dberlin dot org
2005-01-23 15:06 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-23 16:38 ` rakdver at gcc dot gnu dot org
2005-01-23 17:04 ` rakdver at gcc dot gnu dot org [this message]
2005-01-23 17:14 ` rakdver at gcc dot gnu dot org
2005-01-24 1:40 ` rakdver at gcc dot gnu dot org
2005-01-24 1:46 ` rakdver at gcc dot gnu dot org
2005-01-24 1:49 ` Daniel Berlin
2005-01-24 1:49 ` dberlin at dberlin dot org
2005-01-24 1:58 ` dberlin at dberlin dot org
2005-01-24 21:36 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-24 22:17 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-24 22:25 ` dberlin at dberlin dot org
2005-01-24 23:09 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-24 23:12 ` dberlin at dberlin dot org
2005-01-25 0:27 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 0:39 ` dberlin at dberlin dot org
2005-01-25 0:50 ` dberlin at dberlin dot org
2005-01-25 0:50 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 0:52 ` dberlin at dberlin dot org
2005-01-25 1:11 ` rakdver at gcc dot gnu dot org
2005-01-25 1:15 ` dberlin at dberlin dot org
2005-01-25 1:24 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 1:28 ` steven at gcc dot gnu dot org
2005-01-25 1:42 ` dberlin at dberlin dot org
2005-01-25 1:52 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 1:57 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 10:32 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 10:41 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 11:02 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 11:15 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 11:16 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 11:29 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 12:03 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 12:44 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 15:54 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-25 16:27 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-25 19:16 ` pinskia at gcc dot gnu dot org
2005-01-27 13:18 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-27 15:00 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-27 15:12 ` sebastian dot pop at cri dot ensmp dot fr
2005-01-27 19:11 ` rakdver at atrey dot karlin dot mff dot cuni dot cz
2005-01-27 20:40 ` sebastian dot pop at cri dot ensmp dot fr
2005-02-14 11:12 ` pinskia at gcc dot gnu dot org
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