https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66473
Bug ID: 66473
Summary: ICE: in extract_insn, at recog.c:2343 (unrecognizable
insn) with -mavx512f
Product: gcc
Version: 5.1.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: andrew.n.senkevich at gmail dot com
Target Milestone: ---
-bash-4.2$ cat ./test_vlen8.c
#include <immintrin.h>
extern __m512d _ZGVeN8v_func (__m512d);
double func_vlen8 (double x) {
__m512d mx;
mx[0] = mx[1] = mx[2] = mx[3] = mx[4] = mx[5] = mx[6] = mx[7] = x;
__m512d mr = _ZGVeN8v_func (mx);
return ((double) mr[0]);
}
gcc-5.1.0_install/bin/gcc -c ./test_vlen8.c -mavx512f -O2
./test_vlen8.c: In function ‘func_vlen8’:
./test_vlen8.c:11:1: error: unrecognizable insn:
}
^
(insn 7 6 8 2 (set (reg:QI 94)
(const_int 128 [0x80])) ./test_vlen8.c:7 -1
(nil))
./test_vlen8.c:11:1: internal compiler error: in extract_insn, at recog.c:2343
0x965018 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
../../gcc-5.1.0_src/gcc/rtl-error.c:110
0x965049 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
../../gcc-5.1.0_src/gcc/rtl-error.c:118
0x935129 extract_insn(rtx_insn*)
../../gcc-5.1.0_src/gcc/recog.c:2343
0x7a1c43 instantiate_virtual_regs_in_insn
../../gcc-5.1.0_src/gcc/function.c:1598
0x7a1c43 instantiate_virtual_regs
../../gcc-5.1.0_src/gcc/function.c:1966
0x7a1c43 execute
../../gcc-5.1.0_src/gcc/function.c:2015
