[Bug target/108172] New: [13 Regression] ICE in emit_move_multi_word, at expr.cc:4087

[asolokha at gmx dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108172

            Bug ID: 108172
           Summary: [13 Regression] ICE in emit_move_multi_word, at
                    expr.cc:4087
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---
            Target: aarch64-linux-gnu

gcc 13.0.0 20221211 snapshot (g:fd69977febf399d1992bbf8d66ae9170e0a4dc9f) ICEs
when compiling gcc/testsuite/gcc.target/i386/pr102230.c (specifically,
v2hf_test ()):

% aarch64-linux-gnu-gcc-13 -c gcc/testsuite/gcc.target/i386/pr102230.c
during RTL pass: expand
gcc/testsuite/gcc.target/i386/pr102230.c: In function 'v2hf_test':
gcc/testsuite/gcc.target/i386/pr102230.c:34:10: internal compiler error: in
emit_move_multi_word, at expr.cc:4087
   34 |   return b;
      |          ^
0x6f51eb emit_move_multi_word
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/expr.cc:4087
0xb40d1f emit_move_insn(rtx_def*, rtx_def*)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/expr.cc:4342
0xb49375 store_expr(tree_node*, rtx_def*, int, bool, bool)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/expr.cc:6519
0xb4bff8 expand_assignment(tree_node*, tree_node*, bool)
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/expr.cc:6051
0xa0ff4c expand_gimple_stmt_1
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/cfgexpand.cc:3946
0xa0ff4c expand_gimple_stmt
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/cfgexpand.cc:4044
0xa16c5e expand_gimple_basic_block
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/cfgexpand.cc:6096
0xa18647 execute
       
/var/tmp/portage/cross-aarch64-linux-gnu/gcc-13.0.0_p20221218/work/gcc-13-20221218/gcc/cfgexpand.cc:6822