/**
* Get the register requirements for a node.
* @param env The architecture environment.
- * @param req A pointer to a requirements structure, where the data can
- * be put into.
* @param irn The node.
* @param pos The position of the operand you're interested in.
- * @return A pointer to the register requirements which may <b>not</b>
- * neccessarily be equal to @p req. If NULL is returned, the
+ * @return A pointer to the register requirements. If NULL is returned, the
* operand was no register operand.
*/
extern const arch_register_req_t *
* Set the register for a certain output operand.
* @param env The architecture environment.
* @param irn The node.
- * @param idx The index of the output operand.
* @param reg The register.
*/
extern void arch_set_irn_register(const arch_env_t *env, ir_node *irn,