[Bug target/98093] New: ICE in gen_vsx_set_v2df, at config/rs6000/vsx.md:3276

[marxin at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98093

            Bug ID: 98093
           Summary: ICE in gen_vsx_set_v2df, at config/rs6000/vsx.md:3276
           Product: gcc
           Version: 11.0
            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: segher at gcc dot gnu.org
  Target Milestone: ---
              Host: x86_64-linux
            Target: ppc64le-linux-gnu

The following fails:

$ ppc64le-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/uninit-pr78295.c -Ofast
--param=max-completely-peeled-insns=0 -fno-ivopts -c
during RTL pass: expand
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/uninit-pr78295.c: In function
‘f’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/uninit-pr78295.c:11:10:
internal compiler error: in gen_vsx_set_v2df, at config/rs6000/vsx.md:3276
   11 |     t[i] = x; /* { dg-bogus "uninitialized" } */
      |     ~~~~~^~~
0x5d77b8 gen_vsx_set_v2df(rtx_def*, rtx_def*, rtx_def*, rtx_def*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/config/rs6000/vsx.md:3276
0xdcdc82 rs6000_expand_vector_set(rtx_def*, rtx_def*, rtx_def*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/config/rs6000/rs6000.c:7000
0x10c6990 ???
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/config/rs6000/vector.md:1251
0xa09b68 maybe_expand_insn(insn_code, unsigned int, expand_operand*)
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/optabs.c:7705
0x8cddbc expand_vec_set_optab_fn
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/internal-fn.c:2879
0x8cddbc expand_VEC_SET
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/internal-fn.def:148
0x70ed87 expand_call_stmt
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/cfgexpand.c:2740
0x70ed87 expand_gimple_stmt_1
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/cfgexpand.c:3835
0x70ed87 expand_gimple_stmt
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/cfgexpand.c:3999
0x7146b7 expand_gimple_basic_block
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/cfgexpand.c:6040
0x7146b7 execute
       
/home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-ppc64le/build/gcc/cfgexpand.c:6724
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