https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103895
Bug ID: 103895
Summary: [12 Regression] ICE in extract_insn, at recog.c:2769
since r12-6071-g19dcecd963295b02
Product: gcc
Version: 12.0
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: liuhongt at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-linux-gnu
The following ICEs:
$ cat reload.c
#include <emmintrin.h>
typedef float vFloat __attribute__((__vector_size__(16)));
float bar_dr;
vFloat bar_f1;
void bar() {
static vFloat m0;
vFloat fa1 = _mm_andnot_ps(m0, bar_f1);
__attribute__((__vector_size__(2 * sizeof(double)))) double v3 =
_mm_cvtps_pd(fa1);
vFloat r1 = _mm_cvtpd_ps(v3);
_mm_storeu_ps(&bar_dr, r1);
}
$ gcc reload.c -c -Og -ffloat-store
reload.c: In function ‘bar’:
reload.c:12:1: error: unrecognizable insn:
12 | }
| ^
(insn 21 8 10 2 (set (mem:V4SF (plus:DI (reg/f:DI 19 frame)
(const_int -32 [0xffffffffffffffe0])) [1 S16 A128])
(mem:V4SF (plus:DI (reg/f:DI 19 frame)
(const_int -16 [0xfffffffffffffff0])) [1 S16 A128]))
"/home/marxin/bin/gcc/lib64/gcc/x86_64-pc-linux-gnu/12.0.0/include/xmmintrin.h":248:10
-1
(nil))
during RTL pass: ira
reload.c:12:1: internal compiler error: in extract_insn, at recog.c:2769
0x75ffd4 _fatal_insn(char const*, rtx_def const*, char const*, int, char
const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:108
0x75fff6 _fatal_insn_not_found(rtx_def const*, char const*, int, char const*)
/home/marxin/Programming/gcc/gcc/rtl-error.c:116
0x75e161 extract_insn(rtx_insn*)
/home/marxin/Programming/gcc/gcc/recog.c:2769
0xd2f363 ira_remove_insn_scratches(rtx_insn*, bool, _IO_FILE*, rtx_def*
(*)(rtx_def*))
/home/marxin/Programming/gcc/gcc/ira.c:5348
0xd3058e remove_scratches
/home/marxin/Programming/gcc/gcc/ira.c:5392
0xd3058e ira
/home/marxin/Programming/gcc/gcc/ira.c:5716
0xd3058e execute
/home/marxin/Programming/gcc/gcc/ira.c:6075
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
