53     static inline uint64x2_t shift_swap(const uint64x2_t &x, const uint64x2_t &mask) {  in shift_swap()
54         uint64x2_t t = vandq_u64(mask, veorq_u64(x, vshrq_n_u64(x, shift)));  in shift_swap()
58     static inline uint64x2_t pack_indices(const uint64x2_t &x) {  in pack_indices()
61         static const uint64x2_t kMask1 = { 0x3FC0003FC00000ULL, 0x3FC0003FC00000ULL };  in pack_indices()
62         uint64x2_t ret = shift_swap<10>(x, kMask1);  in pack_indices()
65         static const uint64x2_t kMask2 = { (0x3FULL << 52), (0x3FULL << 52) };  in pack_indices()
66         static const uint64x2_t kMask3 = { (0x3FULL << 28), (0x3FULL << 28) };  in pack_indices()
67         const uint64x2_t x1 = vandq_u64(vshlq_n_u64(ret, 52), kMask2);  in pack_indices()
68         const uint64x2_t x2 = vandq_u64(vshlq_n_u64(ret, 20), kMask3);  in pack_indices()
73         static const uint64x2_t kMask4 = { 0xFC0000ULL, 0xFC0000ULL };  in pack_indices()
79         static const uint64x2_t kMask5 = { 0x3FULL, 0x3FULL };  in pack_indices()
84         static const uint64x2_t kMask6 = { 0xFFF000000ULL, 0xFFF000000ULL };  in pack_indices()
89         static const uint64x2_t kMask5 = { 0xFC0ULL, 0xFC0ULL };  in pack_indices()
94         static const uint64x2_t kMask6 = { (0xFFFULL << 36), (0xFFFULL << 36) };  in pack_indices()
95         static const uint64x2_t kMask7 = { 0xFFFFFFULL, 0xFFFFFFULL };  in pack_indices()
96         static const uint64x2_t kMask8 = { 0xFFFULL, 0xFFFULL };  in pack_indices()
97         const uint64x2_t y1 = vandq_u64(ret, kMask6);  in pack_indices()
98         const uint64x2_t y2 = vshlq_n_u64(vandq_u64(ret, kMask7), 12);  in pack_indices()
99         const uint64x2_t y3 = vandq_u64(vshrq_n_u64(ret, 24), kMask8);  in pack_indices()
106         static const uint64x2_t kHeader = { 0x8490000000000000ULL, 0x8490000000000000ULL };  in pack_indices()
137         const uint64x2_t cvt = vreinterpretq_u64_u8(x);  in is_zero()
144     static inline uint64x2_t fix_endianness(uint64x2_t x) {  in fix_endianness()
148     static inline uint64x2_t fix_endianness(uint64x2_t x) {  in fix_endianness()
176                 static const uint64x2_t kTransparent = { 0x0020000000002000ULL,  in compress_r11eac_blocks()
193         const uint64x2_t indexRow12 = vreinterpretq_u64_u8(  in compress_r11eac_blocks()
195         const uint64x2_t indexRow34 = vreinterpretq_u64_u8(  in compress_r11eac_blocks()
200         const uint64x2_t blockIndicesLeft = vreinterpretq_u64_u32(vrev64q_u32(blockIndices.val[0]));  in compress_r11eac_blocks()
201 …      const uint64x2_t blockIndicesRight = vreinterpretq_u64_u32(vrev64q_u32(blockIndices.val[1]));  in compress_r11eac_blocks()
203         const uint64x2_t indicesLeft = fix_endianness(pack_indices(blockIndicesLeft));  in compress_r11eac_blocks()
204         const uint64x2_t indicesRight = fix_endianness(pack_indices(blockIndicesRight));  in compress_r11eac_blocks()
206         const uint64x2_t d1 = vcombine_u64(vget_low_u64(indicesLeft), vget_low_u64(indicesRight));  in compress_r11eac_blocks()
207         const uint64x2_t d2 = vcombine_u64(vget_high_u64(indicesLeft), vget_high_u64(indicesRight));  in compress_r11eac_blocks()