[Bug target/80099] New: ICE in rs6000_expand_vector_extract, at config/rs6000/rs6000.c:7450

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80099

            Bug ID: 80099
           Summary: ICE in rs6000_expand_vector_extract, at
                    config/rs6000/rs6000.c:7450
           Product: gcc
           Version: unknown
            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 causes ICE with cross compiler:

int a;
int b (__attribute__ ((altivec (vector__))) float *c)
{
  return __builtin_vec_extract (*c, a);
}

$ ppc64le-linux-gnu-gcc -mno-upper-regs-sf /tmp/ice.i
/tmp/ice.i: In function ‘b’:
/tmp/ice.i:4:10: internal compiler error: in rs6000_expand_vector_extract, at
config/rs6000/rs6000.c:7450
   return __builtin_vec_extract (*c, a);
          ^~~~~~~~~~~~~~~~~~~~~
0xeb3604 rs6000_expand_vector_extract(rtx_def*, rtx_def*, rtx_def*)
        .././../gcc/config/rs6000/rs6000.c:7450
0xed21b7 altivec_expand_vec_ext_builtin
        .././../gcc/config/rs6000/rs6000.c:15862
0xed21b7 altivec_expand_builtin
        .././../gcc/config/rs6000/rs6000.c:16094
0xed7fef rs6000_expand_builtin
        .././../gcc/config/rs6000/rs6000.c:17060
0x70ed86 expand_builtin(tree_node*, rtx_def*, rtx_def*, machine_mode, int)
        .././../gcc/builtins.c:6362
0x83e95f expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        .././../gcc/expr.c:10822
0x84a2f5 store_expr_with_bounds(tree_node*, rtx_def*, int, bool, bool,
tree_node*)
        .././../gcc/expr.c:5552
0x84bbc0 expand_assignment(tree_node*, tree_node*, bool)
        .././../gcc/expr.c:5321
0x73303a expand_call_stmt
        .././../gcc/cfgexpand.c:2656
0x73303a expand_gimple_stmt_1
        .././../gcc/cfgexpand.c:3571
0x73303a expand_gimple_stmt
        .././../gcc/cfgexpand.c:3737
0x734d4e expand_gimple_basic_block
        .././../gcc/cfgexpand.c:5744
0x73ab46 execute
        .././../gcc/cfgexpand.c:6357