message: core: fix MSA build
diff: @@ -1789,10 +1789,20 @@ inline typename _Tp::lane_type v_extract_n(const _Tp& a)
  return v_rotate_right<i>(a).get0();
  }
  -template<int i, typename _Tp>
  -inline _Tp v_broadcast_element(const _Tp& a)
  +template<int i>
  +inline v_uint32x4 v_broadcast_element(const v_uint32x4& a)
  +{
  + return v_setall_u32(v_extract_n<i>(a));
  +}
  +template<int i>
  +inline v_int32x4 v_broadcast_element(const v_int32x4& a)
  +{
  + return v_setall_s32(v_extract_n<i>(a));
  +}
  +template<int i>
  +inline v_float32x4 v_broadcast_element(const v_float32x4& a)
  {
  - return _Tp::all(v_extract_n<i>(a));
  + return v_setall_f32(v_extract_n<i>(a));
  }
  ////// FP16 suport ///////
  