https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106919
Matthias Klose <doko at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |NEW
--- Comment #2 from Matthias Klose <doko at gcc dot gnu.org> ---
$ cat libgcov-merge.i
int __gcov_merge_topn_n_counters;
long __gcov_merge_topn___trans_tmp_1;
void __gcov_merge_topn() {
for (unsigned i = 0; i < __gcov_merge_topn_n_counters / 3; i++) {
for (unsigned j ; __gcov_merge_topn___trans_tmp_1; )
;
}
}
doko@zelenka:~/gcc-snapshot-20220920$ cat libgcov-merge.i
int __gcov_merge_topn_n_counters;
long __gcov_merge_topn___trans_tmp_1;
void __gcov_merge_topn() {
for (unsigned i = 0; i < __gcov_merge_topn_n_counters / 3; i++)
for (; __gcov_merge_topn___trans_tmp_1;)
;
}
$ /home/doko/gcc-snapshot-20220920/build/gcc/xgcc
-B/home/doko/gcc-snapshot-20220920/build/gcc/ -c -march=z196 -m64 -mzarch -g
-O2 libgcov-merge.i libgcov-merge.i
during RTL pass: ce2
libgcov-merge.i: In function '__gcov_merge_topn':
libgcov-merge.i:7:1: internal compiler error: RTL check: expected code 'set' or
'clobber', have 'if_then_else' in s390_rtx_costs, at config/s390/s390.cc:3672
7 | }
| ^
0x22c196b rtl_check_failed_code2(rtx_def const*, rtx_code, rtx_code, char
const*, int, char const*)
../../src/gcc/rtl.cc:926
0x2af1f69 s390_rtx_costs
../../src/gcc/config/s390/s390.cc:3672
0x22e9ab9 rtx_cost(rtx_def*, machine_mode, rtx_code, int, bool)
../../src/gcc/rtlanal.cc:4601
0x22c3877 set_rtx_cost
../../src/gcc/rtl.h:2925
0x22f3eb5 seq_cost(rtx_insn const*, bool)
../../src/gcc/rtlanal.cc:5788
0x38ea2b5 default_noce_conversion_profitable_p(rtx_insn*, noce_if_info*)
../../src/gcc/ifcvt.cc:814
0x38f145f noce_try_cmove
../../src/gcc/ifcvt.cc:1864
0x38fc6d9 noce_process_if_block
../../src/gcc/ifcvt.cc:3964
0x38fe8b5 noce_find_if_block
../../src/gcc/ifcvt.cc:4521
0x38ff33b find_if_header
../../src/gcc/ifcvt.cc:4726
0x3903475 if_convert
../../src/gcc/ifcvt.cc:5873
0x390394d execute
../../src/gcc/ifcvt.cc:6026
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
