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* [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224
@ 2012-10-29 23:30 d.g.gorbachev at gmail dot com
2012-10-29 23:42 ` [Bug middle-end/55130] " mpolacek at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: d.g.gorbachev at gmail dot com @ 2012-10-29 23:30 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55130
Bug #: 55130
Summary: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at
lra-constraints.c:3224
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: d.g.gorbachev@gmail.com
GCC 4.8.0 20121028 (experimental).
cat > bug.c
extern void bar(long long);
int foo(long long a, char b, long long c, long long d)
{
if (c == 0)
c = d;
bar(b + c);
return a == d;
}
^D
$ gcc -O1 -mregparm=3 -mpreferred-stack-boundary=2 -S bug.c
bug.c: In function 'foo':
bug.c:11:1: internal compiler error: in insn_rhs_dead_pseudo_p, at
lra-constraints.c:3224
}
^
0x84c80c9 insn_rhs_dead_pseudo_p
../../gcc-4.8/gcc/lra-constraints.c:3224
0x84c810c init_insn_rhs_dead_pseudo_p
../../gcc-4.8/gcc/lra-constraints.c:3240
0x84ce811 lra_constraints(bool)
../../gcc-4.8/gcc/lra-constraints.c:3301
0x84c306e lra(_IO_FILE*)
../../gcc-4.8/gcc/lra.c:2281
0x848e42e do_reload
../../gcc-4.8/gcc/ira.c:4624
0x848e5fb rest_of_handle_reload
../../gcc-4.8/gcc/ira.c:4736
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55130] [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224
2012-10-29 23:30 [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224 d.g.gorbachev at gmail dot com
@ 2012-10-29 23:42 ` mpolacek at gcc dot gnu.org
2012-10-30 9:35 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: mpolacek at gcc dot gnu.org @ 2012-10-29 23:42 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55130
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2012-10-29
CC| |mpolacek at gcc dot
| |gnu.org, vmakarov at gcc
| |dot gnu.org
Ever Confirmed|0 |1
--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> 2012-10-29 23:42:28 UTC ---
Confirmed. On x86_64 reproducible with -m32.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55130] [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224
2012-10-29 23:30 [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224 d.g.gorbachev at gmail dot com
2012-10-29 23:42 ` [Bug middle-end/55130] " mpolacek at gcc dot gnu.org
@ 2012-10-30 9:35 ` rguenth at gcc dot gnu.org
2012-11-02 14:45 ` vmakarov at gcc dot gnu.org
2012-11-06 16:46 ` d.g.gorbachev at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: rguenth at gcc dot gnu.org @ 2012-10-30 9:35 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55130
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |4.8.0
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55130] [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224
2012-10-29 23:30 [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224 d.g.gorbachev at gmail dot com
2012-10-29 23:42 ` [Bug middle-end/55130] " mpolacek at gcc dot gnu.org
2012-10-30 9:35 ` rguenth at gcc dot gnu.org
@ 2012-11-02 14:45 ` vmakarov at gcc dot gnu.org
2012-11-06 16:46 ` d.g.gorbachev at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: vmakarov at gcc dot gnu.org @ 2012-11-02 14:45 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55130
--- Comment #2 from Vladimir Makarov <vmakarov at gcc dot gnu.org> 2012-11-02 14:44:23 UTC ---
Author: vmakarov
Date: Fri Nov 2 14:44:12 2012
New Revision: 193096
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193096
Log:
2012-11-02 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/55130
* lra-constraints.c (debug_loc_equivalence_change_p): Rename to
loc_equivalence_change_p.
(lra_constraints): Check equiv_insn_bitmap for debug insn. Call
loc_equivalence_change_p for non-transformed insn.
2012-11-02 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/55150
* gcc.target/i386/pr55130.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr55130.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/lra-constraints.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug middle-end/55130] [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224
2012-10-29 23:30 [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224 d.g.gorbachev at gmail dot com
` (2 preceding siblings ...)
2012-11-02 14:45 ` vmakarov at gcc dot gnu.org
@ 2012-11-06 16:46 ` d.g.gorbachev at gmail dot com
3 siblings, 0 replies; 5+ messages in thread
From: d.g.gorbachev at gmail dot com @ 2012-11-06 16:46 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55130
Dmitry Gorbachev <d.g.gorbachev at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #3 from Dmitry Gorbachev <d.g.gorbachev at gmail dot com> 2012-11-06 16:45:47 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2012-11-06 16:46 UTC | newest]
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2012-10-29 23:30 [Bug middle-end/55130] New: [4.8 Regression] ICE in insn_rhs_dead_pseudo_p, at lra-constraints.c:3224 d.g.gorbachev at gmail dot com
2012-10-29 23:42 ` [Bug middle-end/55130] " mpolacek at gcc dot gnu.org
2012-10-30 9:35 ` rguenth at gcc dot gnu.org
2012-11-02 14:45 ` vmakarov at gcc dot gnu.org
2012-11-06 16:46 ` d.g.gorbachev at gmail dot com
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