int pos; /**< pos of the operand (0 to n are inputs, -1 to -n are outputs) */
const arch_register_req_t *req; /**< register constraints for the carrier node */
unsigned has_constraints : 1; /**< the carrier node has register constraints (the constraint type is limited) */
int pos; /**< pos of the operand (0 to n are inputs, -1 to -n are outputs) */
const arch_register_req_t *req; /**< register constraints for the carrier node */
unsigned has_constraints : 1; /**< the carrier node has register constraints (the constraint type is limited) */