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* [Bug target/68015] New: ICE in s390_emit_compare
@ 2015-10-19 14:47 matz at gcc dot gnu.org
2015-10-20 10:41 ` [Bug target/68015] " krebbel at gcc dot gnu.org
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: matz at gcc dot gnu.org @ 2015-10-19 14:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68015
Bug ID: 68015
Summary: ICE in s390_emit_compare
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: matz at gcc dot gnu.org
Target Milestone: ---
$ cat s390x-ice-datetime.i
/* -O2 -march=z196 --> ICE in s390_emit_compare */
extern long useme (long, ...);
void foo (void)
{
long secs = useme (41);
long utc_secs = useme (42);
long h, m;
utc_secs = useme (42);
h = secs / 3600;
m = secs / 60;
if (utc_secs >= 86400) {
m = 59;
h--;
if (h < 0) {
h = 23;
}
}
useme(h,m);
}
$ ./cc1 -fpreprocessed -march=z196 -O2 s390x-ice-datetime.i
s390x-ice-datetime.i: In function ‘foo’:
s390x-ice-datetime.i:21:1: internal compiler error: in s390_emit_compare, at
config/s390/s390.c:1708
}
^
0x10f3155 s390_emit_compare(rtx_code, rtx_def*, rtx_def*)
../../gcc/gcc/config/s390/s390.c:1707
0x1262985 gen_movdicc(rtx_def*, rtx_def*, rtx_def*, rtx_def*)
../../gcc/gcc/config/s390/s390.md:6112
0xc2beb2 insn_gen_fn::operator()(rtx_def*, rtx_def*, rtx_def*, rtx_def*) const
../../gcc/gcc/recog.h:303
0xc2b98e maybe_gen_insn(insn_code, unsigned int, expand_operand*)
../../gcc/gcc/optabs.c:6721
0xc2bc8b maybe_expand_insn(insn_code, unsigned int, expand_operand*)
../../gcc/gcc/optabs.c:6751
0xc259b8 emit_conditional_move(rtx_def*, rtx_code, rtx_def*, rtx_def*,
machine_mode, rtx_def*, rtx_def*, machine_mode, int)
../../gcc/gcc/optabs.c:4201
0x13d8f38 noce_emit_cmove
../../gcc/gcc/ifcvt.c:1607
0x13dd882 cond_move_convert_if_block
../../gcc/gcc/ifcvt.c:3449
0x13ddc09 cond_move_process_if_block
../../gcc/gcc/ifcvt.c:3536
0x13de284 noce_find_if_block
../../gcc/gcc/ifcvt.c:3704
0x13de93b find_if_header
../../gcc/gcc/ifcvt.c:3905
0x13e1434 if_convert
../../gcc/gcc/ifcvt.c:5051
0x13e1773 execute
../../gcc/gcc/ifcvt.c:5198
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From: "matz at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/68015] ICE in s390_emit_compare
Date: Mon, 19 Oct 2015 14:50:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?idh015
Michael Matz <matz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |krebbel at gcc dot gnu.org
--- Comment #1 from Michael Matz <matz at gcc dot gnu.org> ---
This also happens on the gcc-5-branch (as of now, i.e. r228958). It requires
the -march=z196, and it hits us in multiple packages (the testcase extracted
from perl-DateTime, but e.g. also in qt3). This -march level is the
default for us.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/68015] ICE in s390_emit_compare
2015-10-19 14:47 [Bug target/68015] New: ICE in s390_emit_compare matz at gcc dot gnu.org
@ 2015-10-20 10:41 ` krebbel at gcc dot gnu.org
2015-10-20 13:38 ` krebbel at gcc dot gnu.org
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2015-10-20 10:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68015
Andreas Krebbel <krebbel at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2015-10-20
Assignee|unassigned at gcc dot gnu.org |krebbel at gcc dot gnu.org
Ever confirmed|0 |1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/68015] ICE in s390_emit_compare
2015-10-19 14:47 [Bug target/68015] New: ICE in s390_emit_compare matz at gcc dot gnu.org
2015-10-20 10:41 ` [Bug target/68015] " krebbel at gcc dot gnu.org
@ 2015-10-20 13:38 ` krebbel at gcc dot gnu.org
2015-10-22 8:24 ` krebbel at gcc dot gnu.org
2015-10-22 8:29 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2015-10-20 13:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68015
--- Comment #2 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Created attachment 36549
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36549&action=edit
Experimental fix
I'm regression testing the attached patch.
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/68015] ICE in s390_emit_compare
2015-10-19 14:47 [Bug target/68015] New: ICE in s390_emit_compare matz at gcc dot gnu.org
2015-10-20 10:41 ` [Bug target/68015] " krebbel at gcc dot gnu.org
2015-10-20 13:38 ` krebbel at gcc dot gnu.org
@ 2015-10-22 8:24 ` krebbel at gcc dot gnu.org
2015-10-22 8:29 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2015-10-22 8:24 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68015
--- Comment #3 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Author: krebbel
Date: Thu Oct 22 08:24:01 2015
New Revision: 229163
URL: https://gcc.gnu.org/viewcvs?rev=229163&root=gcc&view=rev
Log:
S/390: PR68015 Fix ICE in s390_emit_compare
gcc/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* config/s390/s390.md (mov<mode>cc): Emit compare only if we don't
already have a comparison result.
gcc/testsuite/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* gcc.target/s390/pr68015.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/s390/pr68015.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/s390/s390.md
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/68015] ICE in s390_emit_compare
2015-10-19 14:47 [Bug target/68015] New: ICE in s390_emit_compare matz at gcc dot gnu.org
` (2 preceding siblings ...)
2015-10-22 8:24 ` krebbel at gcc dot gnu.org
@ 2015-10-22 8:29 ` krebbel at gcc dot gnu.org
3 siblings, 0 replies; 5+ messages in thread
From: krebbel at gcc dot gnu.org @ 2015-10-22 8:29 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68015
--- Comment #4 from Andreas Krebbel <krebbel at gcc dot gnu.org> ---
Author: krebbel
Date: Thu Oct 22 08:28:57 2015
New Revision: 229165
URL: https://gcc.gnu.org/viewcvs?rev=229165&root=gcc&view=rev
Log:
S/390: PR68015 Fix ICE in s390_emit_compare
gcc/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* config/s390/s390.md (mov<mode>cc): Emit compare only if we don't
already have a comparison result.
gcc/testsuite/ChangeLog:
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2015-10-22 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/68015
* gcc.target/s390/pr68015.c: New test.
Added:
branches/gcc-5-branch/gcc/testsuite/gcc.target/s390/pr68015.c
Modified:
branches/gcc-5-branch/gcc/ChangeLog
branches/gcc-5-branch/gcc/config/s390/s390.md
branches/gcc-5-branch/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2015-10-22 8:29 UTC | newest]
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2015-10-19 14:47 [Bug target/68015] New: ICE in s390_emit_compare matz at gcc dot gnu.org
2015-10-20 10:41 ` [Bug target/68015] " krebbel at gcc dot gnu.org
2015-10-20 13:38 ` krebbel at gcc dot gnu.org
2015-10-22 8:24 ` krebbel at gcc dot gnu.org
2015-10-22 8:29 ` krebbel at gcc dot gnu.org
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