+static_always_inline u64x2
+u64x2_gather (void *p0, void *p1)
+{
+ u64x2 r = { *(u64 *) p0, *(u64 *) p1 };
+ return r;
+}
+
+static_always_inline u32x4
+u32x4_gather (void *p0, void *p1, void *p2, void *p3)
+{
+ u32x4 r = { *(u32 *) p0, *(u32 *) p1, *(u32 *) p2, *(u32 *) p3 };
+ return r;
+}
+
+
+static_always_inline void
+u64x2_scatter (u64x2 r, void *p0, void *p1)
+{
+ *(u64 *) p0 = r[0];
+ *(u64 *) p1 = r[1];
+}
+
+static_always_inline void
+u32x4_scatter (u32x4 r, void *p0, void *p1, void *p2, void *p3)
+{
+ *(u32 *) p0 = r[0];
+ *(u32 *) p1 = r[1];
+ *(u32 *) p2 = r[2];
+ *(u32 *) p3 = r[3];
+}
+
+static_always_inline void
+u64x2_scatter_one (u64x2 r, int index, void *p)
+{
+ *(u64 *) p = r[index];
+}
+
+static_always_inline void
+u32x4_scatter_one (u32x4 r, int index, void *p)
+{
+ *(u32 *) p = r[index];
+}
+
+static_always_inline u8x16
+u8x16_is_greater (u8x16 v1, u8x16 v2)
+{
+ return (u8x16) _mm_cmpgt_epi8 ((__m128i) v1, (__m128i) v2);
+}
+
+static_always_inline u8x16
+u8x16_blend (u8x16 v1, u8x16 v2, u8x16 mask)
+{
+ return (u8x16) _mm_blendv_epi8 ((__m128i) v1, (__m128i) v2, (__m128i) mask);
+}
+
+static_always_inline u8x16
+u8x16_xor3 (u8x16 a, u8x16 b, u8x16 c)
+{
+#if __AVX512F__
+ return (u8x16) _mm_ternarylogic_epi32 ((__m128i) a, (__m128i) b,
+ (__m128i) c, 0x96);
+#endif
+ return a ^ b ^ c;
+}
+
+#ifdef __AVX512F__
+static_always_inline u8x16
+u8x16_mask_load (u8x16 a, void *p, u16 mask)
+{
+ return (u8x16) _mm_mask_loadu_epi8 ((__m128i) a, mask, p);
+}
+#endif