[Bug target/80103] New: ICE in output_1144, at config/rs6000/vsx.md:2298

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80103

            Bug ID: 80103
           Summary: ICE in output_1144, at config/rs6000/vsx.md:2298
           Product: gcc
           Version: 7.0
            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
  Target Milestone: ---
              Host: x86_64-linux-gnu
            Target: ppc64le-linux-gnu

Following test-case ICE with cross compiler:

$ cat /tmp/tmpme3mc384.i
int a;
void b (__attribute__ ((__vector_size__ (16))) char c)
{
  a = ((__attribute__ ((__vector_size__ (2 * sizeof (long)))) long) c)[0];
}

$ ppc64le-linux-gnu-gcc -mno-direct-move -Os -mpower9-dform-vector
/tmp/tmpme3mc384.i
/tmp/tmpme3mc384.i: In function ‘b’:
/tmp/tmpme3mc384.i:5:1: internal compiler error: in output_1144, at
config/rs6000/vsx.md:2298
 }
 ^
0x109b0a3 output_1144
        .././../gcc/config/rs6000/vsx.md:2298
0x85c6c1 final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*)
        .././../gcc/final.c:2991
0x85d9b2 final(rtx_insn*, _IO_FILE*, int)
        .././../gcc/final.c:2051
0x85debb rest_of_handle_final
        .././../gcc/final.c:4489
0x85debb execute
        .././../gcc/final.c:4562