https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79240
Bug ID: 79240
Summary: [7 Regression] ICE in s390_extzv_shift_ok, at
config/s390/s390.c:2475
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Target: s390x-suse-linux
$ cat s390x-ice.i
a, b;
c ()
{
int d = sizeof (int) * a + 16 - a * sizeof (int) % 16;
b = d;
}
$ ./xgcc -B. /tmp/s390x-ice.i -march=z196 -mtune=zEC12 -m64 -mzarch -O2
wngram2idngram.c: In function ‘main’:
wngram2idngram.c:465:1: internal compiler error: in s390_extzv_shift_ok, at
config/s390/s390.c:2475
0xe7b265 s390_extzv_shift_ok(int, int, unsigned long)
../../gcc/config/s390/s390.c:2475
0x103c414 recog_36
../../gcc/config/s390/s390.md:7216
0x103c414 recog_47
../../gcc/config/s390/vector.md:1036
0x1073935 recog_for_combine_1
../../gcc/combine.c:11108
0x1075b3e recog_for_combine
../../gcc/combine.c:11364
0x108754f try_combine
../../gcc/combine.c:3824
0x108abbe combine_instructions
../../gcc/combine.c:1429
0x108abbe rest_of_handle_combine
../../gcc/combine.c:14608
0x108abbe execute
../../gcc/combine.c:14653
As I looked at build service, GCC 6 should work fine.
