ID_AA64ISAR0_ATOMIC_SHIFT
#define ID_AA64ISAR0_ATOMIC_MASK (0xfULL << ID_AA64ISAR0_ATOMIC_SHIFT)
#define ID_AA64ISAR0_ATOMIC_NONE (0x0ULL << ID_AA64ISAR0_ATOMIC_SHIFT)
#define ID_AA64ISAR0_ATOMIC_IMPL (0x2ULL << ID_AA64ISAR0_ATOMIC_SHIFT)