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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/19431] missed optimization with ifs and deferencing
Date: Wed, 18 Apr 2007 11:45:00 -0000 [thread overview]
Message-ID: <20070418114529.19654.qmail@sourceware.org> (raw)
In-Reply-To: <bug-19431-6528@http.gcc.gnu.org/bugzilla/>
------- Comment #18 from rguenth at gcc dot gnu dot org 2007-04-18 12:45 -------
Subject: Bug 19431
Author: rguenth
Date: Wed Apr 18 12:45:09 2007
New Revision: 123946
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123946
Log:
2007-04-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/19431
PR tree-optimization/21463
* tree-pass.h (pass_phiprop): Declare.
* passes.c (init_optimization_passes): New phiprop pass.
* tree-ssa-forwprop.c (struct phiprop_d): New structure.
(phivn_valid_p): New helper function.
(phiprop_insert_phi): Likewise.
(propagate_with_phi): Likewise.
(tree_ssa_phiprop): New propagator propagating loads
through phi nodes if profitable.
* gcc.c-torture/execute/20070212-1.c: New testcase.
* gcc.c-torture/execute/20070212-2.c: Likewise.
* gcc.c-torture/execute/20070212-3.c: Likewise.
* gcc.dg/tree-ssa/pr19431.c: Likewise.
* gcc.dg/tree-ssa/pr21463.c: Likewise.
* g++.dg/tree-ssa/pr21463.C: Likewise.
* g++.dg/tree-ssa/pr30738.C: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/tree-ssa/pr21463.C
trunk/gcc/testsuite/g++.dg/tree-ssa/pr30738.C
trunk/gcc/testsuite/gcc.c-torture/execute/20070212-1.c
trunk/gcc/testsuite/gcc.c-torture/execute/20070212-2.c
trunk/gcc/testsuite/gcc.c-torture/execute/20070212-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr19431.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr21463.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/passes.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-pass.h
trunk/gcc/tree-ssa-forwprop.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19431
next prev parent reply other threads:[~2007-04-18 11:45 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-19431-6528@http.gcc.gnu.org/bugzilla/>
2006-02-05 15:37 ` pinskia at gcc dot gnu dot org
2006-12-19 21:16 ` pinskia at gcc dot gnu dot org
2006-12-20 9:58 ` steven at gcc dot gnu dot org
2007-02-09 14:46 ` pinskia at gcc dot gnu dot org
2007-02-09 14:48 ` rguenth at gcc dot gnu dot org
2007-02-25 19:00 ` pluto at agmk dot net
2007-02-25 19:52 ` rguenth at gcc dot gnu dot org
2007-02-25 20:09 ` pluto at agmk dot net
2007-02-25 22:01 ` pinskia at gcc dot gnu dot org
2007-02-25 22:23 ` rguenth at gcc dot gnu dot org
2007-02-25 22:50 ` rguenth at gcc dot gnu dot org
2007-02-25 22:51 ` rguenth at gcc dot gnu dot org
2007-02-26 10:33 ` rguenth at gcc dot gnu dot org
2007-04-18 11:45 ` rguenth at gcc dot gnu dot org [this message]
2007-04-18 11:48 ` rguenth at gcc dot gnu dot org
2007-04-18 12:02 ` pluto at agmk dot net
2007-04-18 13:45 ` rguenth at gcc dot gnu dot org
2007-04-18 18:18 ` pluto at agmk dot net
2007-04-18 18:21 ` pinskia at gcc dot gnu dot org
2005-01-13 21:38 [Bug tree-optimization/19431] New: " pinskia at gcc dot gnu dot org
2005-01-13 21:42 ` [Bug tree-optimization/19431] " steven at gcc dot gnu dot org
2005-01-13 21:43 ` pinskia at gcc dot gnu dot org
2005-01-13 21:54 ` pinskia at gcc dot gnu dot org
2005-01-14 13:32 ` pinskia at gcc dot gnu dot org
2005-01-15 0:22 ` dberlin at dberlin dot org
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