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* [Bug target/101896] New: [12 Regression] ICE in expand_vec_perm_broadcast_1, at config/i386/i386-expand.c:20481 since r12-2837-g50b5877925ef5ae8
@ 2021-08-13  7:26 marxin at gcc dot gnu.org
  2021-08-13  7:26 ` [Bug target/101896] " marxin at gcc dot gnu.org
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-08-13  7:26 UTC (permalink / raw)
  To: gcc-bugs

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.

^ permalink raw reply	[flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-08-14  9:49 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2021-08-13  7:26 [Bug target/101896] New: [12 Regression] ICE in expand_vec_perm_broadcast_1, at config/i386/i386-expand.c:20481 since r12-2837-g50b5877925ef5ae8 marxin at gcc dot gnu.org
2021-08-13  7:26 ` [Bug target/101896] " marxin at gcc dot gnu.org
2021-08-13  8:13 ` jakub at gcc dot gnu.org
2021-08-14  9:48 ` cvs-commit at gcc dot gnu.org
2021-08-14  9:49 ` jakub at gcc dot gnu.org

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