+#elif defined(CLIB_HAVE_VEC128) && defined(__ARM_NEON)
+ u16x8 idx8 = u16x8_splat (v);
+ u16x8 m = { 1, 2, 4, 8, 16, 32, 64, 128 };
+ u16x8u *av = (u16x8u *) a;
+
+ /* compare each u16 elemment with idx8, result gives 0xffff in each element
+ of the resulting vector if comparison result is true.
+ Bitwise AND with m will give us one bit set for true result and offset
+ of that bit represend element index. Finally vaddvq_u16() gives us sum
+ of all elements of the vector which will give us u8 bitmap. */
+
+ mask = ((u64) vaddvq_u16 ((av[0] == idx8) & m) |
+ (u64) vaddvq_u16 ((av[1] == idx8) & m) << 8 |
+ (u64) vaddvq_u16 ((av[2] == idx8) & m) << 16 |
+ (u64) vaddvq_u16 ((av[3] == idx8) & m) << 24 |
+ (u64) vaddvq_u16 ((av[4] == idx8) & m) << 32 |
+ (u64) vaddvq_u16 ((av[5] == idx8) & m) << 40 |
+ (u64) vaddvq_u16 ((av[6] == idx8) & m) << 48 |
+ (u64) vaddvq_u16 ((av[7] == idx8) & m) << 56);