tmpvar = create_tmp_var (TREE_TYPE (t), NULL);
add_referenced_var (tmpvar);
extract_ops_from_tree (t, &subcode, &newop1, &newop2);
tmpvar = create_tmp_var (TREE_TYPE (t), NULL);
add_referenced_var (tmpvar);
extract_ops_from_tree (t, &subcode, &newop1, &newop2);