} else if (arch_irn_consider_in_reg_alloc(arch_env, env->cls, irn)) {
/* only one def, create one operand */
o.req = arch_get_register_req(arch_env, irn, -1);
} else if (arch_irn_consider_in_reg_alloc(arch_env, env->cls, irn)) {
/* only one def, create one operand */
o.req = arch_get_register_req(arch_env, irn, -1);