[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-11-09 Thread rguenth at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

--- Comment #8 from Richard Guenther rguenth at gcc dot gnu.org 2010-11-09 
15:01:51 UTC ---
Author: rguenth
Date: Tue Nov  9 15:01:41 2010
New Revision: 166492

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=166492
Log:
2010-11-09  Richard Guenther  rguent...@suse.de

PR tree-optimization/46177
* tree-loop-distribution.c (prop_phis): Remove.
(generate_builtin): Re-use the old loop exit edge to avoid
needing to update PHI nodes.

* gcc.dg/pr46177-2.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/pr46177-2.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-loop-distribution.c

[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-11-02 Thread rguenth at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

--- Comment #3 from Richard Guenther rguenth at gcc dot gnu.org 2010-11-02 
13:38:21 UTC ---
I have a patch.

[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-11-02 Thread rguenth at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

--- Comment #4 from Richard Guenther rguenth at gcc dot gnu.org 2010-11-02 
15:45:31 UTC ---
Author: rguenth
Date: Tue Nov  2 15:45:26 2010
New Revision: 166193

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=166193
Log:
2010-11-02  Richard Guenther  rguent...@suse.de

PR tree-optimization/46177
* tree-loop-distribution.c (prop_phis): Use
mark_virtual_phi_result_for_renaming.

* gcc.dg/pr46177.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/pr46177.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-loop-distribution.c

[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-10-26 Thread hjl.tools at gmail dot com 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

H.J. Lu hjl.tools at gmail dot com changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2010.10.26 07:06:29
 CC||rguenth at gcc dot gnu.org
 Ever Confirmed|0   |1

--- Comment #1 from H.J. Lu hjl.tools at gmail dot com 2010-10-26 07:06:29 
UTC ---
It is caused by revision 145494:

http://gcc.gnu.org/ml/gcc-cvs/2009-04/msg00115.html

[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-10-26 Thread rguenth at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

Richard Guenther rguenth at gcc dot gnu.org changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 AssignedTo|unassigned at gcc dot   |rguenth at gcc dot gnu.org
   |gnu.org |
   Target Milestone|--- |4.5.2

--- Comment #2 from Richard Guenther rguenth at gcc dot gnu.org 2010-10-26 
13:57:20 UTC ---
Mine.

[Bug tree-optimization/46177] [4.5/4.6 Regression] ICE: in prop_phis, at tree-loop-distribution.c:327 with -fno-tree-copy-prop -ftree-loop-distribution

2010-10-26 Thread jakub at gcc dot gnu.org 
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46177

Jakub Jelinek jakub at gcc dot gnu.org changed:

   What|Removed |Added

   Priority|P3  |P2
 CC||jakub at gcc dot gnu.org