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* [Bug c/43842] New: ice in vect_create_epilog_for_reduction
@ 2010-04-21 20:31 regehr at cs dot utah dot edu
2010-04-22 8:52 ` [Bug tree-optimization/43842] [4.6 Regression] " rguenth at gcc dot gnu dot org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: regehr at cs dot utah dot edu @ 2010-04-21 20:31 UTC (permalink / raw)
To: gcc-bugs
[regehr@gamow tmp407]$ current-gcc -c -O3 small.c
small.c: In function 'int161':
small.c:19:1: internal compiler error: in vect_create_epilog_for_reduction, at
tree-vect-loop.c:3451
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@gamow tmp407]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r158618-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r158618-install
--program-prefix=r158618- --enable-languages=c,c++
Thread model: posix
gcc version 4.6.0 20100421 (experimental) (GCC)
[regehr@gamow tmp407]$ cat small.c
typedef short int int16_t;
typedef int int32_t;
typedef unsigned short int uint16_t;
typedef unsigned int uint32_t;
static int16_t
safe_rshift_func_int16_t_s_u (int16_t left, unsigned int right)
{
return left || right >= 1 * 8 ? left : left >> right;
}
static uint32_t
safe_add_func_uint32_t_u_u (uint32_t ui1, uint16_t ui2)
{
return ui1 + ui2;
}
int16_t g_4;
uint32_t g_9[1];
int161 (void)
{
int32_t l_2;
for (l_2 = -25; l_2; l_2 = safe_add_func_uint32_t_u_u (l_2, 1))
g_9[0] ^= safe_rshift_func_int16_t_s_u (g_4, 1);
return 0;
}
--
Summary: ice in vect_create_epilog_for_reduction
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: regehr at cs dot utah dot edu
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
@ 2010-04-22 8:52 ` rguenth at gcc dot gnu dot org
2010-04-22 11:46 ` irar at il dot ibm dot com
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-04-22 8:52 UTC (permalink / raw)
To: gcc-bugs
------- Comment #1 from rguenth at gcc dot gnu dot org 2010-04-22 08:51 -------
Confirmed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |irar at gcc dot gnu dot org,
| |rguenth at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Known to work| |4.5.0
Last reconfirmed|0000-00-00 00:00:00 |2010-04-22 08:51:50
date| |
Summary|ice in |[4.6 Regression] ice in
|vect_create_epilog_for_reduc|vect_create_epilog_for_reduc
|tion |tion
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
2010-04-22 8:52 ` [Bug tree-optimization/43842] [4.6 Regression] " rguenth at gcc dot gnu dot org
@ 2010-04-22 11:46 ` irar at il dot ibm dot com
2010-04-22 15:38 ` hjl dot tools at gmail dot com
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: irar at il dot ibm dot com @ 2010-04-22 11:46 UTC (permalink / raw)
To: gcc-bugs
--
irar at il dot ibm dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |irar at il dot ibm dot com
|dot org |
Status|NEW |ASSIGNED
Last reconfirmed|2010-04-22 08:51:50 |2010-04-22 11:46:44
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
2010-04-22 8:52 ` [Bug tree-optimization/43842] [4.6 Regression] " rguenth at gcc dot gnu dot org
2010-04-22 11:46 ` irar at il dot ibm dot com
@ 2010-04-22 15:38 ` hjl dot tools at gmail dot com
2010-04-22 18:07 ` hjl dot tools at gmail dot com
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-04-22 15:38 UTC (permalink / raw)
To: gcc-bugs
------- Comment #2 from hjl dot tools at gmail dot com 2010-04-22 15:38 -------
It is caused by revision 158506:
http://gcc.gnu.org/ml/gcc-cvs/2010-04/msg00612.html
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
` (2 preceding siblings ...)
2010-04-22 15:38 ` hjl dot tools at gmail dot com
@ 2010-04-22 18:07 ` hjl dot tools at gmail dot com
2010-04-22 18:23 ` irar at gcc dot gnu dot org
2010-07-23 11:48 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: hjl dot tools at gmail dot com @ 2010-04-22 18:07 UTC (permalink / raw)
To: gcc-bugs
------- Comment #3 from hjl dot tools at gmail dot com 2010-04-22 18:07 -------
I think revision 158650:
http://gcc.gnu.org/ml/gcc-cvs/2010-04/msg00756.html
is the fix for this bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
` (3 preceding siblings ...)
2010-04-22 18:07 ` hjl dot tools at gmail dot com
@ 2010-04-22 18:23 ` irar at gcc dot gnu dot org
2010-07-23 11:48 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: irar at gcc dot gnu dot org @ 2010-04-22 18:23 UTC (permalink / raw)
To: gcc-bugs
------- Comment #4 from irar at gcc dot gnu dot org 2010-04-22 18:23 -------
Subject: Bug 43842
Author: irar
Revision: 158650
Modified property: svn:log
Modified: svn:log at Thu Apr 22 18:22:54 2010
------------------------------------------------------------------------------
--- svn:log (original)
+++ svn:log Thu Apr 22 18:22:54 2010
@@ -1,5 +1,5 @@
- PR tree-optimization/43482
+ PR tree-optimization/43842
* tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
loop unrolling in update of exit phis. Fix comment.
* tree-vect-slp.c (vect_analyze_slp): Check that there are at
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug tree-optimization/43842] [4.6 Regression] ice in vect_create_epilog_for_reduction
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
` (4 preceding siblings ...)
2010-04-22 18:23 ` irar at gcc dot gnu dot org
@ 2010-07-23 11:48 ` rguenth at gcc dot gnu dot org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu dot org @ 2010-07-23 11:48 UTC (permalink / raw)
To: gcc-bugs
------- Comment #5 from rguenth at gcc dot gnu dot org 2010-07-23 11:48 -------
Fixed.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43842
^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2010-07-23 11:48 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-04-21 20:31 [Bug c/43842] New: ice in vect_create_epilog_for_reduction regehr at cs dot utah dot edu
2010-04-22 8:52 ` [Bug tree-optimization/43842] [4.6 Regression] " rguenth at gcc dot gnu dot org
2010-04-22 11:46 ` irar at il dot ibm dot com
2010-04-22 15:38 ` hjl dot tools at gmail dot com
2010-04-22 18:07 ` hjl dot tools at gmail dot com
2010-04-22 18:23 ` irar at gcc dot gnu dot org
2010-07-23 11:48 ` rguenth at gcc dot gnu dot org
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