vppinfra: toeplitz hash
Type: feature
Change-Id: I0ccf280c4b769ee624cfb780146b847a0e8e4942
Signed-off-by: Damjan Marion <dmarion@me.com>
diff --git a/src/vppinfra/vector_avx512.h b/src/vppinfra/vector_avx512.h
index 33f40ef..3505961 100644
--- a/src/vppinfra/vector_avx512.h
+++ b/src/vppinfra/vector_avx512.h
@@ -98,6 +98,18 @@
_ (i32x16, u16x32, _mm512_packus_epi32)
#undef _
+static_always_inline u64x8
+u64x8_byte_swap (u64x8 v)
+{
+ u8x64 swap = {
+ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8,
+ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8,
+ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8,
+ 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8,
+ };
+ return (u64x8) _mm512_shuffle_epi8 ((__m512i) v, (__m512i) swap);
+}
+
static_always_inline u32x16
u32x16_byte_swap (u32x16 v)
{
@@ -184,6 +196,13 @@
(__m512i) c, 0x96);
}
+static_always_inline u64x8
+u64x8_xor3 (u64x8 a, u64x8 b, u64x8 c)
+{
+ return (u64x8) _mm512_ternarylogic_epi32 ((__m512i) a, (__m512i) b,
+ (__m512i) c, 0x96);
+}
+
static_always_inline u8x64
u8x64_reflect_u8x16 (u8x64 x)
{
@@ -302,6 +321,12 @@
return (u8x64) _mm512_mask_blend_epi8 (mask, (__m512i) a, (__m512i) b);
}
+static_always_inline u8x64
+u8x64_permute (u8x64 v, u8x64 idx)
+{
+ return (u8x64) _mm512_permutexvar_epi8 ((__m512i) v, (__m512i) idx);
+}
+
#define _(t, m, e, p, it) \
static_always_inline m t##_is_equal_mask (t a, t b) \
{ \