ID_AA64PFR0_SVE_SHIFT
#define ID_AA64PFR0_SVE_MASK (0xfULL << ID_AA64PFR0_SVE_SHIFT)
#define ID_AA64PFR0_SVE_NONE (0x0ULL << ID_AA64PFR0_SVE_SHIFT)
#define ID_AA64PFR0_SVE_IMPL (0x1ULL << ID_AA64PFR0_SVE_SHIFT)