*/
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);
};
/**
extern entity *arch_get_frame_entity(const arch_env_t *env, ir_node *irn);
+extern int arch_get_op_estimated_cost(const arch_env_t *env, const 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.
*/
extern void arch_put_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls, bitset_t *bs);
+/**
+ * Return the number of registers in a register class which should not be
+ * ignored by the register allocator.
+ * @param env The architecture environment.
+ * @param cls The register class to consider
+ * @return The number of non-ignore registers in the register class
+ */
+extern int arch_count_non_ignore_regs(const arch_env_t *env, const arch_register_class_t *cls);
+
/**
* Check, if a register is assignable to an operand of a node.
* @param env The architecture environment.
*/
extern const arch_irn_handler_t *arch_env_pop_irn_handler(arch_env_t *env);
+
#endif /* _FIRM_BEARCH_H */