projX = new_r_Proj(start, mode_X, pn_Start_X_initial_exec);
set_irg_initial_exec (res, projX);
set_irg_frame (res, new_r_Proj(start, mode_P_data, pn_Start_P_frame_base));
projX = new_r_Proj(start, mode_X, pn_Start_X_initial_exec);
set_irg_initial_exec (res, projX);
set_irg_frame (res, new_r_Proj(start, mode_P_data, pn_Start_P_frame_base));