if(ci->adm_cache == NULL) {
const arch_register_req_t *req;
ci->adm_cache = bitset_obstack_alloc(phase_obst(&env->ph), env->n_regs);
if(ci->adm_cache == NULL) {
const arch_register_req_t *req;
ci->adm_cache = bitset_obstack_alloc(phase_obst(&env->ph), env->n_regs);