[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-26 Thread rguenth at gcc dot gnu dot org 


--- Comment #6 from rguenth at gcc dot gnu dot org  2010-06-26 15:55 ---
Subject: Bug 44393

Author: rguenth
Date: Sat Jun 26 15:55:05 2010
New Revision: 161434

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=161434
Log:
2010-06-26  Richard Guenther  rguent...@suse.de

PR tree-optimization/44393
* tree-loop-distribution.c (generate_loops_for_partition): Fix
stmt removal and VOP renaming.
(generate_memset_zero): Remove redundant stmt updating.
* tree-flow.h (mark_virtual_ops_in_bb): Remove.
* tree-cfg.c (mark_virtual_ops_in_bb): Likewise.

* gcc.dg/pr44393.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/pr44393.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-cfg.c
trunk/gcc/tree-flow.h
trunk/gcc/tree-loop-distribution.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-26 Thread rguenth at gcc dot gnu dot org 


--- Comment #7 from rguenth at gcc dot gnu dot org  2010-06-26 15:57 ---
Subject: Bug 44393

Author: rguenth
Date: Sat Jun 26 15:57:17 2010
New Revision: 161435

URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=161435
Log:
2010-06-26  Richard Guenther  rguent...@suse.de

PR tree-optimization/44393
* tree-loop-distribution.c (generate_loops_for_partition): Fix
stmt removal and VOP renaming.
(generate_memset_zero): Remove redundant stmt updating.
* tree-flow.h (mark_virtual_ops_in_bb): Remove.
* tree-cfg.c (mark_virtual_ops_in_bb): Likewise.

* gcc.dg/pr44393.c: New testcase.

Added:
branches/gcc-4_5-branch/gcc/testsuite/gcc.dg/pr44393.c
Modified:
branches/gcc-4_5-branch/gcc/ChangeLog
branches/gcc-4_5-branch/gcc/testsuite/ChangeLog
branches/gcc-4_5-branch/gcc/tree-cfg.c
branches/gcc-4_5-branch/gcc/tree-flow.h
branches/gcc-4_5-branch/gcc/tree-loop-distribution.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-26 Thread rguenth at gcc dot gnu dot org 


--- Comment #8 from rguenth at gcc dot gnu dot org  2010-06-26 15:58 ---
Fixed.


-- 

rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
  Known to fail||4.5.0
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-24 Thread rguenth at gcc dot gnu dot org 


-- 

rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

   Priority|P3  |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-09 Thread zsojka at seznam dot cz 


--- Comment #5 from zsojka at seznam dot cz  2010-06-09 11:02 ---
The testcase also fails when it is changed to:

...
{
  extern void *bar(void) __attribute__((malloc));
  int **pp = bar(), *p = bar();
...

so there isn't any access through NULL pointer.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-08 Thread hjl dot tools at gmail dot com 


--- Comment #3 from hjl dot tools at gmail dot com  2010-06-08 16:47 ---
It is caused by revision 145494:

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


-- 

hjl dot tools at gmail dot com changed:

   What|Removed |Added

 CC||rguenth at gcc dot gnu dot
   ||org
 Status|UNCONFIRMED |NEW
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2010-06-08 16:47:23
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-08 Thread rguenth at gcc dot gnu dot org 


--- Comment #4 from rguenth at gcc dot gnu dot org  2010-06-08 17:33 ---
Whatever.


-- 

rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
   |dot org |org
 Status|NEW |ASSIGNED
   Last reconfirmed|2010-06-08 16:47:23 |2010-06-08 17:33:49
   date||


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-07 Thread pinskia at gcc dot gnu dot org 


--- Comment #2 from pinskia at gcc dot gnu dot org  2010-06-07 17:29 ---
Confirmed.


-- 

pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

   Keywords||ice-on-valid-code


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-02 Thread rguenth at gcc dot gnu dot org 


-- 

rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

   Target Milestone|--- |4.5.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393

[Bug tree-optimization/44393] [4.5/4.6 Regression] ICE: verify_ssa failed: no immediate_use list with -Os -ftree-loop-distribution

2010-06-02 Thread zsojka at seznam dot cz 


--- Comment #1 from zsojka at seznam dot cz  2010-06-02 19:16 ---
Created an attachment (id=20813)
 -- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=20813action=view)
reduced testcase (from gcc.target/i386/pr37101.c)

Command line:
$ gcc -ftree-loop-distribution -Os pr44393.c
or
$ gcc -ftree-loop-distribution -Os pr44393.c -m32

Doesn't fail at -O[0123]


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44393