https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107970
Bug ID: 107970
Summary: ICE in extract_insn, at recog.cc:2791 since
r13-2730-gd0c73b6c85677e67
Product: gcc
Version: 13.0
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
CC: crazylht at gmail dot com
Target Milestone: ---
Host: x86_64-linux-gnu
The following crashes:
$ cat ice.i
float *foo_p;
void
foo(float *__restrict q) {
foo_p[0] = __builtin_truncf(q[0]);
foo_p[1] = __builtin_truncf(q[1]);
}
$ gcc -m32 -Ofast -m3dnowa -mavx512vpopcntdq ice.i -c
ice.i: In function ‘foo’:
ice.i:7:1: error: unrecognizable insn:
7 | }
| ^
(insn 7 6 8 2 (set (reg:V2SF 84 [ vect__3.8 ])
(unspec:V2SF [
(reg:V2SF 86 [ vect__1.7 ])
(const_int 11 [0xb])
] UNSPEC_ROUND)) "ice.i":5:14 -1
(nil))
during RTL pass: vregs
ice.i:7:1: internal compiler error: in extract_insn, at recog.cc:2791
0x75acd4 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.cc:108
0x75acf0 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.cc:116
0x7592b5 extract_insn(rtx_insn*)
/home/marxin/Programming/gcc/gcc/recog.cc:2791
0xb88100 instantiate_virtual_regs_in_insn
/home/marxin/Programming/gcc/gcc/function.cc:1611
0xb88100 instantiate_virtual_regs
/home/marxin/Programming/gcc/gcc/function.cc:1985
0xb88100 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.
