https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106887
Bug ID: 106887
Summary: ICE in extract_insn, at recog.cc:2791 since
r13-2111-g6910cad55ffc330d
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: lingling.kong7 at gmail dot com
Target Milestone: ---
The following crashes:
$ cat bf16.i
typedef __bf16 v16bf __attribute__((__vector_size__(32)));
void
vec_init_dup_v16bf() {
__bf16 a1;
(v16bf){a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1, a1};
}
$ gcc bf16.i -c -mf16c
bf16.i: In function ‘vec_init_dup_v16bf’:
bf16.i:7:1: error: unrecognizable insn:
7 | }
| ^
(insn 11 10 12 2 (set (reg:V16BF 83)
(vec_concat:V16BF (reg:V16QI 84)
(reg:V16QI 84))) "bf16.i":6:10 -1
(nil))
during RTL pass: vregs
bf16.i:7:1: internal compiler error: in extract_insn, at recog.cc:2791
0x77971c _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.cc:108
0x77973e _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.cc:116
0x77794b extract_insn(rtx_insn*)
/home/marxin/Programming/gcc/gcc/recog.cc:2791
0xbf1315 instantiate_virtual_regs_in_insn
/home/marxin/Programming/gcc/gcc/function.cc:1611
0xbf1315 instantiate_virtual_regs
/home/marxin/Programming/gcc/gcc/function.cc:1985
0xbf1315 execute
/home/marxin/Programming/gcc/gcc/function.cc:2034
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
