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* [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
@ 2012-05-18 19:47 regehr at cs dot utah.edu
2012-05-19 21:26 ` [Bug c/53408] [4.6/4.7/4.8 Regression] " hjl.tools at gmail dot com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: regehr at cs dot utah.edu @ 2012-05-18 19:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
Bug #: 53408
Summary: ICE in get_initial_def_for_induction, at
tree-vect-loop.c:3222
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: regehr@cs.utah.edu
CC: chenyang@cs.utah.edu
[regehr@dyson r48]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r187663-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r187663-install
--program-prefix=r187663- --enable-languages=c,c++
Thread model: posix
gcc version 4.8.0 20120518 (experimental) (GCC)
[regehr@dyson r48]$ current-gcc -c -O3 small.c
small.c: In function 'fn1':
small.c:3:1: internal compiler error: in get_initial_def_for_induction, at
tree-vect-loop.c:3222
fn1 ()
^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@dyson r48]$ cat small.c
int a, b, c, d, e;
void
fn1 ()
{
int f, g;
char h = 0;
b = 0;
for (; b < 32; b++)
{
g = h > e ? h : h << 1;
f = g && a ? 0 : 1;
h = 1;
for (; h > 0; h = h + 1)
c = 0 < h | f;
}
if (h)
d = 0;
}
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug c/53408] [4.6/4.7/4.8 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
@ 2012-05-19 21:26 ` hjl.tools at gmail dot com
2012-05-21 10:05 ` [Bug middle-end/53408] " rguenth at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: hjl.tools at gmail dot com @ 2012-05-19 21:26 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-05-19
CC| |rguenth at gcc dot gnu.org
Target Milestone|--- |4.6.4
Summary|ICE in |[4.6/4.7/4.8 Regression]
|get_initial_def_for_inducti |ICE in
|on, at |get_initial_def_for_inducti
|tree-vect-loop.c:3222 |on, at
| |tree-vect-loop.c:3222
Ever Confirmed|0 |1
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2012-05-19 20:16:33 UTC ---
It is caused by revision 167378:
http://gcc.gnu.org/ml/gcc-cvs/2010-12/msg00059.html
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6/4.7/4.8 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
2012-05-19 21:26 ` [Bug c/53408] [4.6/4.7/4.8 Regression] " hjl.tools at gmail dot com
@ 2012-05-21 10:05 ` rguenth at gcc dot gnu.org
2012-05-21 12:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-05-21 10:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
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 |
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-21 08:51:51 UTC ---
Mine.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6/4.7 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
2012-05-19 21:26 ` [Bug c/53408] [4.6/4.7/4.8 Regression] " hjl.tools at gmail dot com
2012-05-21 10:05 ` [Bug middle-end/53408] " rguenth at gcc dot gnu.org
@ 2012-05-21 12:48 ` rguenth at gcc dot gnu.org
2012-05-21 12:49 ` [Bug middle-end/53408] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-05-21 12:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.8.0
Summary|[4.6/4.7/4.8 Regression] |[4.6/4.7 Regression] ICE in
|ICE in |get_initial_def_for_inducti
|get_initial_def_for_inducti |on, at
|on, at |tree-vect-loop.c:3222
|tree-vect-loop.c:3222 |
--- Comment #4 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-21 12:46:26 UTC ---
Fixed on trunk sofar.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6/4.7/4.8 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
` (2 preceding siblings ...)
2012-05-21 12:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
@ 2012-05-21 12:49 ` rguenth at gcc dot gnu.org
2012-05-22 10:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-05-21 12:49 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-21 12:46:04 UTC ---
Author: rguenth
Date: Mon May 21 12:45:59 2012
New Revision: 187710
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187710
Log:
2012-05-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53408
* tree-vect-loop.c (vectorizable_induction): Properly check
the restriction that we cannot handle induction results from
the inner loop outside of the outer loop.
* gcc.dg/torture/pr53408.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr53408.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop.c
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6/4.7 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
` (3 preceding siblings ...)
2012-05-21 12:49 ` [Bug middle-end/53408] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
@ 2012-05-22 10:48 ` rguenth at gcc dot gnu.org
2012-05-22 12:48 ` [Bug middle-end/53408] [4.6 " rguenth at gcc dot gnu.org
2013-04-12 16:25 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-05-22 10:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-22 10:46:25 UTC ---
Author: rguenth
Date: Tue May 22 10:46:21 2012
New Revision: 187770
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187770
Log:
2012-05-22 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53408
* tree-vect-loop.c (vectorizable_induction): Properly check
the restriction that we cannot handle induction results from
the inner loop outside of the outer loop.
* gcc.dg/torture/pr53408.c: New testcase.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr53408.c
Modified:
branches/gcc-4_7-branch/gcc/ChangeLog
branches/gcc-4_7-branch/gcc/testsuite/ChangeLog
branches/gcc-4_7-branch/gcc/tree-vect-loop.c
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
` (4 preceding siblings ...)
2012-05-22 10:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
@ 2012-05-22 12:48 ` rguenth at gcc dot gnu.org
2013-04-12 16:25 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-05-22 12:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |4.7.1
Summary|[4.6/4.7 Regression] ICE in |[4.6 Regression] ICE in
|get_initial_def_for_inducti |get_initial_def_for_inducti
|on, at |on, at
|tree-vect-loop.c:3222 |tree-vect-loop.c:3222
Known to fail| |4.7.0
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-22 12:01:48 UTC ---
And for 4.7.1.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug middle-end/53408] [4.6 Regression] ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222
2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
` (5 preceding siblings ...)
2012-05-22 12:48 ` [Bug middle-end/53408] [4.6 " rguenth at gcc dot gnu.org
@ 2013-04-12 16:25 ` jakub at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-04-12 16:25 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53408
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
Target Milestone|4.6.4 |4.7.1
--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-04-12 16:25:45 UTC ---
The 4.6 branch has been closed, fixed in GCC 4.7.1.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2012-05-18 19:47 [Bug c/53408] New: ICE in get_initial_def_for_induction, at tree-vect-loop.c:3222 regehr at cs dot utah.edu
2012-05-19 21:26 ` [Bug c/53408] [4.6/4.7/4.8 Regression] " hjl.tools at gmail dot com
2012-05-21 10:05 ` [Bug middle-end/53408] " rguenth at gcc dot gnu.org
2012-05-21 12:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
2012-05-21 12:49 ` [Bug middle-end/53408] [4.6/4.7/4.8 " rguenth at gcc dot gnu.org
2012-05-22 10:48 ` [Bug middle-end/53408] [4.6/4.7 " rguenth at gcc dot gnu.org
2012-05-22 12:48 ` [Bug middle-end/53408] [4.6 " rguenth at gcc dot gnu.org
2013-04-12 16:25 ` jakub at gcc dot gnu.org
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