added nolea option to switch of LEA optimization

[libfirm] / ir / be / arm / arm_map_regs.c

diff --git a/ir/be/arm/arm_map_regs.c b/ir/be/arm/arm_map_regs.c
index f8b7569..a97b8b6 100644 (file)
--- a/ir/be/arm/arm_map_regs.c
+++ b/ir/be/arm/arm_map_regs.c
@@ -64,26 +64,42 @@ const arch_register_t *arm_get_firm_reg(const ir_node *irn, set *reg_set) {
 
 
 /**
- * Translates the projnum into a "real" argument position for register
- * requirements dependend on the predecessor.
+ * Translates the proj number into a "real" argument position for register
+ * requirements depended on the predecessor.
  */
 long arm_translate_proj_pos(const ir_node *proj) {
        ir_node *pred = get_Proj_pred(proj);
        long nr       = get_Proj_proj(proj);
 
-       if (is_arm_Load(pred) || is_arm_fLoad(pred)) {
-               if (nr == pn_Load_res)
+       if (is_irn_machine_op(pred)) {
+               switch (get_arm_irn_opcode(pred)) {
+
+               case iro_arm_Loadb:
+               case iro_arm_Loadbs:
+               case iro_arm_Loadh:
+               case iro_arm_Loadhs:
+               case iro_arm_Load:
+               case iro_arm_fpaLdf:
+                       if (nr == pn_Load_res)
+                               return 0;
+                       assert(0 && "unsupported Proj(Load) number");
+                       break;
+               case iro_arm_Storeb:
+               case iro_arm_Storebs:
+               case iro_arm_Storeh:
+               case iro_arm_Storehs:
+               case iro_arm_Store:
+               case iro_arm_fpaStf:
                        return 0;
-               assert(0 && "unsupported Proj(Load) number");
-       }
-       else if (is_arm_Store(pred) || is_arm_fStore(pred)) {
-               return 0;
-       }
-       else if (is_arm_fDiv(pred)) {
-               if (nr == pn_Quot_res)
-                       return 0;
-               else
+               case iro_arm_fpaDiv:
+               case iro_arm_fpaRdv:
+                       if (nr == pn_Quot_res)
+                               return 0;
                        assert(0 && "there should be no more Projs for a fDiv");
+                       break;
+               default:
+                       break;
+               }
        }
 
 //     assert(0 && "unsupported Proj(X)");