[Bug target/103784] suboptimal code for returning bool value on target ppc

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103784

--- Comment #4 from HaoChen Gui <guihaoc at gcc dot gnu.org> ---
output with "-fdump-tree-optimized=/dev/stdout"
;; Function foo (foo, funcdef_no=0, decl_uid=3317, cgraph_uid=1,
symbol_order=0)

Removing basic block 5
_Bool foo (int a, int b)
{
  _Bool _1;
  _Bool _5;

  <bb 2> [local count: 1073741824]:
  if (a_2(D) > 2)
    goto <bb 4>; [34.00%]
  else
    goto <bb 3>; [66.00%]

  <bb 3> [local count: 708669601]:
  _5 = b_3(D) <= 9;

  <bb 4> [local count: 1073741824]:
  # _1 = PHI <_5(3), 0(2)>
  return _1;

}