ID_AA64PFR0_ADV_SIMD_SHIFT
#define ID_AA64PFR0_ADV_SIMD_MASK (0xf << ID_AA64PFR0_ADV_SIMD_SHIFT)
#define ID_AA64PFR0_ADV_SIMD_IMPL (0x0 << ID_AA64PFR0_ADV_SIMD_SHIFT)
#define ID_AA64PFR0_ADV_SIMD_HP (0x1 << ID_AA64PFR0_ADV_SIMD_SHIFT)
#define ID_AA64PFR0_ADV_SIMD_NONE (0xf << ID_AA64PFR0_ADV_SIMD_SHIFT)