https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101896
Bug ID: 101896
Summary: [12 Regression] ICE in expand_vec_perm_broadcast_1, at
config/i386/i386-expand.c:20481 since
r12-2837-g50b5877925ef5ae8
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: jakub at gcc dot gnu.org
Target Milestone: ---
The following fails:
$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v64qi.c
-Ofast -mavx512er -c
during GIMPLE pass: veclower2
In file included from
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-v64qi.c:11:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-main.inc: In
function ‘test_1’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-main.inc:10:1:
internal compiler error: in expand_vec_perm_broadcast_1, at
config/i386/i386-expand.c:20484
10 | test_##num (void) \
| ^~~~~
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-64.inc:4:1:
note: in expansion of macro ‘T’
4 | T (1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) \
| ^
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/vshuf-main.inc:28:1:
note: in expansion of macro ‘TESTS’
28 | TESTS
| ^~~~~
0x175e59a expand_vec_perm_broadcast_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:20484
0x175e679 expand_vec_perm_broadcast
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:20512
0x175f2a2 ix86_expand_vec_perm_const_1
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:20723
0x175fd8c ix86_vectorize_vec_perm_const(machine_mode, rtx_def*, rtx_def*,
rtx_def*, vec_perm_indices const&)
/home/marxin/Programming/gcc/gcc/config/i386/i386-expand.c:21009
0x1423722 lower_vec_perm
/home/marxin/Programming/gcc/gcc/tree-vect-generic.c:1521
0x1426adc expand_vector_operations_1
/home/marxin/Programming/gcc/gcc/tree-vect-generic.c:2099
0x1428b25 expand_vector_operations
/home/marxin/Programming/gcc/gcc/tree-vect-generic.c:2364
0x1428d3e execute
/home/marxin/Programming/gcc/gcc/tree-vect-generic.c:2450
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.
