const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
arch_register_req_t *req, const ir_node *irn, int pos)
{
const arch_register_req_t *arch_get_register_req(const arch_env_t *env,
arch_register_req_t *req, const ir_node *irn, int pos)
{