https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70052
Bug ID: 70052
Summary: ICE compiling _Decimal128 test case
Product: gcc
Version: 6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: bergner at gcc dot gnu.org
Target Milestone: ---
We ICE with the following test case.
bergner@genoa:~/gcc/BUGS/DFP/arith128-P8AT9/src$ cat ice.i
typedef struct
{
_Decimal128 td0;
_Decimal128 td1;
} TDx2_t;
TDx2_t
D256_add_finite (void)
{
_Decimal128 z, zz;
TDx2_t result = {0.DL, 0.DL};
if (zz == 0.DL)
{
result.td0 = z;
return result;
}
return result;
}
bergner@genoa:~/gcc/BUGS/DFP/$
/home/bergner/gcc/build/gcc-fsf-mainline-base-debug/gcc/xgcc
-B/home/bergner/gcc/build/gcc-fsf-mainline-base-debug/gcc -O2 -mcpu=power8 -S
ice.i
ice.i: In function ‘D256_add_finite’:
ice.i:21:1: error: unrecognizable insn:
}
^
(insn 110 19 111 3 (set (reg:DD 33 1)
(const_double:DD 0E-398 [N/A])) ice.i:17 -1
(nil))
ice.i:21:1: internal compiler error: in extract_insn, at recog.c:2287
0x10c0b3d7 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/rtl-error.c:108
0x10c0b44f _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/rtl-error.c:116
0x10b8f313 extract_insn(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:2287
0x10b8eddf extract_insn_cached(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:2178
0x10712067 cleanup_subreg_operands(rtx_insn*)
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/final.c:3104
0x10b916b7 split_insn
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:2901
0x10b918a7 split_all_insns()
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:2955
0x10b94973 rest_of_handle_split_after_reload
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:3891
0x10b94a33 execute
/home/bergner/gcc/gcc-fsf-mainline-base/gcc/recog.c:3920
Please submit a full bug report,
