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* [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
@ 2012-10-09 18:11 d.g.gorbachev at gmail dot com
2012-10-09 18:15 ` [Bug tree-optimization/54877] " d.g.gorbachev at gmail dot com
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: d.g.gorbachev at gmail dot com @ 2012-10-09 18:11 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Bug #: 54877
Summary: [4.7/4.8 Regression] ICE: tree check: expected
ssa_name, have real_cst in copy_ssa_name_fn, at
tree-ssanames.c:335
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: d.g.gorbachev@gmail.com
Created attachment 28401
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28401
Backtrace
Compile with `-O3 -funsafe-math-optimizations' (or -Ofast):
=========== >8 ===========
int main(void)
{
double d = 0;
int i;
for (i = 0; i < 8; i++)
d--;
return (int) d;
}
=========== 8< ===========
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
@ 2012-10-09 18:15 ` d.g.gorbachev at gmail dot com
2012-10-09 18:21 ` jakub at gcc dot gnu.org
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: d.g.gorbachev at gmail dot com @ 2012-10-09 18:15 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Dmitry Gorbachev <d.g.gorbachev at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |ice-on-valid-code
Known to work| |4.6.4
Known to fail| |4.7.3, 4.8.0
--- Comment #1 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> 2012-10-09 18:15:13 UTC ---
GCC 4.7.3 20121006 (prerelease):
internal compiler error: tree check: expected ssa_name, have real_cst in
vect_is_simple_reduction_1, at tree-vect-loop.c:2260
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
2012-10-09 18:15 ` [Bug tree-optimization/54877] " d.g.gorbachev at gmail dot com
@ 2012-10-09 18:21 ` jakub at gcc dot gnu.org
2012-10-09 18:56 ` jakub at gcc dot gnu.org
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-10-09 18:21 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-10-09
CC| |jakub at gcc dot gnu.org
Target Milestone|--- |4.7.3
Ever Confirmed|0 |1
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-09 18:20:37 UTC ---
Started with http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178728
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
2012-10-09 18:15 ` [Bug tree-optimization/54877] " d.g.gorbachev at gmail dot com
2012-10-09 18:21 ` jakub at gcc dot gnu.org
@ 2012-10-09 18:56 ` jakub at gcc dot gnu.org
2012-10-10 17:47 ` jakub at gcc dot gnu.org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-10-09 18:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |jakub at gcc dot gnu.org
|gnu.org |
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-09 18:56:22 UTC ---
Created attachment 28403
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28403
gcc48-pr54877.patch
Untested fix.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/54877] [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
` (2 preceding siblings ...)
2012-10-09 18:56 ` jakub at gcc dot gnu.org
@ 2012-10-10 17:47 ` jakub at gcc dot gnu.org
2012-10-23 7:58 ` [Bug tree-optimization/54877] [4.7 " jakub at gcc dot gnu.org
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-10-10 17:47 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-10 17:47:19 UTC ---
Author: jakub
Date: Wed Oct 10 17:47:05 2012
New Revision: 192322
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192322
Log:
PR tree-optimization/54877
* tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
use make_ssa_name instead of copy_ssa_name.
* gcc.dg/torture/pr54877.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr54877.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 tree-optimization/54877] [4.7 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
` (3 preceding siblings ...)
2012-10-10 17:47 ` jakub at gcc dot gnu.org
@ 2012-10-23 7:58 ` jakub at gcc dot gnu.org
2012-11-05 15:06 ` jakub at gcc dot gnu.org
2012-12-03 15:01 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-10-23 7:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.7/4.8 Regression] ICE: |[4.7 Regression] ICE: tree
|tree check: expected |check: expected ssa_name,
|ssa_name, have real_cst in |have real_cst in
|copy_ssa_name_fn, at |copy_ssa_name_fn, at
|tree-ssanames.c:335 |tree-ssanames.c:335
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-10-23 07:57:49 UTC ---
Fixed on the trunk so far.
^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug tree-optimization/54877] [4.7 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
` (4 preceding siblings ...)
2012-10-23 7:58 ` [Bug tree-optimization/54877] [4.7 " jakub at gcc dot gnu.org
@ 2012-11-05 15:06 ` jakub at gcc dot gnu.org
2012-12-03 15:01 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: jakub at gcc dot gnu.org @ 2012-11-05 15:06 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-05 15:05:48 UTC ---
Author: jakub
Date: Mon Nov 5 15:05:42 2012
New Revision: 193164
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193164
Log:
Backported from mainline
2012-10-10 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/54877
* tree-vect-loop.c (vect_is_simple_reduction_1): For MINUS_EXPR
use make_ssa_name instead of copy_ssa_name.
* gcc.dg/torture/pr54877.c: New test.
Added:
branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr54877.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 tree-optimization/54877] [4.7 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335
2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
` (5 preceding siblings ...)
2012-11-05 15:06 ` jakub at gcc dot gnu.org
@ 2012-12-03 15:01 ` rguenth at gcc dot gnu.org
6 siblings, 0 replies; 8+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-12-03 15:01 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54877
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-03 15:01:04 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 8+ messages in thread
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2012-10-09 18:11 [Bug tree-optimization/54877] New: [4.7/4.8 Regression] ICE: tree check: expected ssa_name, have real_cst in copy_ssa_name_fn, at tree-ssanames.c:335 d.g.gorbachev at gmail dot com
2012-10-09 18:15 ` [Bug tree-optimization/54877] " d.g.gorbachev at gmail dot com
2012-10-09 18:21 ` jakub at gcc dot gnu.org
2012-10-09 18:56 ` jakub at gcc dot gnu.org
2012-10-10 17:47 ` jakub at gcc dot gnu.org
2012-10-23 7:58 ` [Bug tree-optimization/54877] [4.7 " jakub at gcc dot gnu.org
2012-11-05 15:06 ` jakub at gcc dot gnu.org
2012-12-03 15:01 ` rguenth at gcc dot gnu.org
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