be: Remove the thin wrapper macro arch_register_class_mode().

ir/be/bearch.h

@@ -239,9 +239,6 @@ struct arch_register_class_t {
 /** return the number of registers in this register class */
 #define arch_register_class_n_regs(cls) ((cls)->n_regs)
 
-/** return the largest mode of this register class */
-#define arch_register_class_mode(cls) ((cls)->mode)
-
 /** return the name of this register class */
 #define arch_register_class_name(cls) ((cls)->name)
 

ir/be/benode.c

@@ -527,12 +527,10 @@ static unsigned get_start_reg_index(ir_graph *irg, const arch_register_t *reg)
 
 ir_node *be_get_initial_reg_value(ir_graph *irg, const arch_register_t *reg)
 {
-	unsigned i     = get_start_reg_index(irg, reg);
-	ir_node *start = get_irg_start(irg);
-	ir_mode *mode  = arch_register_class_mode(reg->cls);
-
-	ir_node *const proj = get_Proj_for_pn(start, i);
-	return proj ? proj : new_r_Proj(start, mode, i);
+	unsigned const i     = get_start_reg_index(irg, reg);
+	ir_node *const start = get_irg_start(irg);
+	ir_node *const proj  = get_Proj_for_pn(start, i);
+	return proj ? proj : new_r_Proj(start, reg->cls->mode, i);
 }
 
 static ir_entity* dummy_get_frame_entity(const ir_node *node)

ir/be/bespillutil.c

@@ -1325,7 +1325,7 @@ static void add_missing_keep_walker(ir_node *node, void *data)
 
 		value = existing_projs[i];
 		if (value == NULL)
-			value = new_r_Proj(node, arch_register_class_mode(cls), i);
+			value = new_r_Proj(node, cls->mode, i);
 		last_keep = add_to_keep(last_keep, cls, value);
 	}
 }