added new irn op callbacks for memory operands

ir/be/bearch.c

@@ -117,6 +117,24 @@ arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int
   }
 }
 
+int arch_possible_memory_operand(const arch_env_t *env, const ir_node *irn, unsigned int i) {
+	const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+	if(ops->impl->possible_memory_operand) {
+		return ops->impl->possible_memory_operand(ops, irn, i);
+	} else {
+		return 0;
+	}
+}
+
+extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_node *reload, unsigned int i) {
+	const arch_irn_ops_t *ops = get_irn_ops(env, irn);
+	if(ops->impl->perform_memory_operand) {
+		ops->impl->perform_memory_operand(ops, irn, reload, i);
+	} else {
+		return;
+	}
+}
+
 int arch_get_op_estimated_cost(const arch_env_t *env, const ir_node *irn)
 {
   const arch_irn_ops_t *ops = get_irn_ops(env, irn);

ir/be/bearch.h

@@ -322,6 +322,15 @@ struct _arch_irn_ops_if_t {
    */
   int (*possible_memory_operand)(const void *self, const ir_node *irn, unsigned int i);
 
+  /**
+   * Ask the backend to assimilate @p reload of operand @p i into @p irn.
+   *
+   * @param self   The this pointer.
+   * @param irn    The node.
+   * @param reload The reload.
+   * @param i      The position of the reload.
+   */
+  void (*perform_memory_operand)(const void *self, ir_node *irn, ir_node *reload, unsigned int i);
 };
 
 /**
@@ -336,6 +345,8 @@ extern void arch_set_frame_offset(const arch_env_t *env, ir_node *irn, int bias)
 extern entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn);
 
 extern arch_inverse_t *arch_get_inverse(const arch_env_t *env, const ir_node *irn, int i, arch_inverse_t *inverse, struct obstack *obstack);
+extern int arch_possible_memory_operand(const arch_env_t *env, const ir_node *irn, unsigned int i);
+extern void arch_perform_memory_operand(const arch_env_t *env, ir_node *irn, ir_node *reload, unsigned int i);
 
 /**
  * Get the register requirements for a node.