ID_AA64ISAR1_BF16_SHIFT
#define ID_AA64ISAR1_BF16_MASK (UL(0xf) << ID_AA64ISAR1_BF16_SHIFT)
#define ID_AA64ISAR1_BF16_NONE (UL(0x0) << ID_AA64ISAR1_BF16_SHIFT)
#define ID_AA64ISAR1_BF16_IMPL (UL(0x1) << ID_AA64ISAR1_BF16_SHIFT)
#define ID_AA64ISAR1_BF16_EBF (UL(0x2) << ID_AA64ISAR1_BF16_SHIFT)