ID_AA64PFR1_BT_IMPL
return ID_AA64PFR1_BT(id_aa64pfr1) >= ID_AA64PFR1_BT_IMPL;
if (ID_AA64PFR1_BT(id) >= ID_AA64PFR1_BT_IMPL) {
if (ID_AA64PFR1_BT(cpu_id_aa64pfr1) >= ID_AA64PFR1_BT_IMPL)
if (ID_AA64PFR1_BT(cpu_id_aa64pfr1) >= ID_AA64PFR1_BT_IMPL) {