- else if (mode_is_float(modes[i]) && cur_fp_idx < maxnum_fpreg_args) {
- /* parameter #nr can be passed in floating point register */
- param_reg = current_fpreg_param_reg[i];
- }
- else {
- assert(0 && "This should not happen!");
- }
- }
-
- return param_reg;
-}
-
-
-
-/**
- * Translates the projnum into a "real" argument position for register
- * requirements dependend on the predecessor.
- */
-long ia32_translate_proj_pos(const ir_node *proj) {
- ir_node *first;
- ir_node *pred = get_Proj_pred(proj);
- long nr = get_Proj_proj(proj);
-
- if (is_ia32_Load(pred)) {
- if (nr == pn_Load_res)
- return 0;
- assert(0 && "unsupported Proj(Load) number");
- }
- else if (is_ia32_Store(pred)) {
- return 0;
- }
- else if (is_ia32_CondJmp(pred)) {
- return 0;
- }
- else if (is_ia32_SwitchJmp(pred)) {
- return 0;
- }
- else if (is_ia32_Cdq(pred) || is_ia32_Mulh(pred)) {
- if (nr == pn_EAX)
- return 0;
- if (nr == pn_EDX)
- return 1;
- }
- else if (is_ia32_DivMod(pred)) {
- if (nr == pn_DivMod_res_div || pn_Div_res)
- return 0;
- if (nr == pn_DivMod_res_mod || pn_Mod_res)
- return 1;
- }
- else if (is_ia32_fDiv(pred)) {
- if (nr == pn_Quot_res)
- return 0;
- else
- assert(0 && "there should be no more Projs for a fDiv");
- }
- else if (is_ia32_Call(pred)) {
- return 0;
- }
- else if (get_irn_mode(proj) == mode_X && nr == pn_Start_X_initial_exec) {
- return 0;
- }
- else if (is_Proj(pred)) {
- return nr;
- }
- else if (get_irn_opcode(pred) == iro_Start) {
- return nr;