- u64x4 v;
- v = u64x4_load_unaligned (a) ^ u64x4_load_unaligned (b);
- v |= u64x4_load_unaligned (a + 2) ^ u64x4_load_unaligned (b + 2);
+ u64x4 v = { 0 };
+ v = u64x4_insert_lo (v, u64x2_load_unaligned (a + 4) ^
+ u64x2_load_unaligned (b + 4));
+ v |= u64x4_load_unaligned (a) ^ u64x4_load_unaligned (b);