CPI_MODEL_XTD
cpi->cpi_model += CPI_MODEL_XTD(cpi) << 4;
cpi->cpi_model += CPI_MODEL_XTD(cpi) << 4;
cpi->cpi_model += CPI_MODEL_XTD(cpi) << 4;
cpi->cpi_model += CPI_MODEL_XTD(cpi) << 4;
"ext-model", CPI_MODEL_XTD(cpi));