https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109179
--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> ---
...on the following minimal test case:
bergner@ltcden2-lp1:PR109179$ cat bug.i
__int128 var;
__int128
foo (void)
{
return var;
}
bergner@ltcden2-lp1:PR109179$
/home/bergner/gcc/build/gcc-fsf-mainline-chip-ice-debug/./gcc/xgcc
-B/home/bergner/gcc/build/gcc-fsf-mainline-chip-ice-debug/./gcc/ -S -O0
-mcpu=power8 bug.i
during RTL pass: reload
bug.i: In function ‘foo’:
bug.i:6:1: internal compiler error: RTL check: expected elt 3 type 'e' or 'u',
have '0' (rtx note) in PATTERN, at rtl.h:1509
6 | }
| ^
0x114dbcd3 rtl_check_failed_type2(rtx_def const*, int, int, int, char const*,
int, char const*)
/home/bergner/gcc/gcc-fsf-mainline-chip-ice/gcc/rtl.cc:907
0x10a18f6f PATTERN(rtx_def*)
/home/bergner/gcc/gcc-fsf-mainline-chip-ice/gcc/rtl.h:1509
0x12853b2b insn_extract(rtx_insn*)
/home/bergner/gcc/build/gcc-fsf-mainline-chip-ice-debug/gcc/insn-extract.cc:23
0x111c54c3 lra_set_insn_recog_data(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-chip-ice/gcc/lra.cc:1059
0x111ce06f lra_get_insn_recog_data(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-chip-ice/gcc/lra-int.h:493
0x111f2e63 combine_reload_insn
/home/bergner/gcc/gcc-fsf-mainline-chip-ice/gcc/lra-constraints.cc:5017
