From: Damjan Marion <damarion@cisco.com>
Date: Wed, 17 Apr 2019 14:05:54 +0000 (+0200)
Subject: vppinfra: AVX512 interelaave, insert and permute
X-Git-Tag: v20.01-rc0~794
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F73%2F18973%2F2;p=vpp.git

vppinfra: AVX512 interelaave, insert and permute

Change-Id: I26c704ec27b8f5431faef08156778f53ea454269
Signed-off-by: Damjan Marion <damarion@cisco.com>
---

diff --git a/src/vppinfra/vector_avx512.h b/src/vppinfra/vector_avx512.h
index 6fd27a3c56b..c54d8cd2499 100644
--- a/src/vppinfra/vector_avx512.h
+++ b/src/vppinfra/vector_avx512.h
@@ -57,6 +57,14 @@ t##s##x##c##_is_all_equal (t##s##x##c v, t##s x)			\
 static_always_inline u##c						\
 t##s##x##c##_is_zero_mask (t##s##x##c v)				\
 { return _mm512_test_##i##_mask ((__m512i) v, (__m512i) v); }		\
+\
+static_always_inline t##s##x##c                                         \
+t##s##x##c##_interleave_lo (t##s##x##c a, t##s##x##c b)                 \
+{ return (t##s##x##c) _mm512_unpacklo_##i ((__m512i) a, (__m512i) b); } \
+\
+static_always_inline t##s##x##c                                         \
+t##s##x##c##_interleave_hi (t##s##x##c a, t##s##x##c b)                 \
+{ return (t##s##x##c) _mm512_unpackhi_##i ((__m512i) a, (__m512i) b); } \
 
 
 foreach_avx512_vec512i foreach_avx512_vec512u
@@ -112,6 +120,25 @@ u32x16_min_scalar (u32x16 v)
 				      u32x16_extract_hi (v)));
 }
 
+static_always_inline u32x16
+u32x16_insert_lo (u32x16 r, u32x8 v)
+{
+  return (u32x16) _mm512_inserti64x4 ((__m512i) r, (__m256i) v, 0);
+}
+
+static_always_inline u32x16
+u32x16_insert_hi (u32x16 r, u32x8 v)
+{
+  return (u32x16) _mm512_inserti64x4 ((__m512i) r, (__m256i) v, 1);
+}
+
+static_always_inline u64x8
+u64x8_permute (u64x8 a, u64x8 b, u64x8 mask)
+{
+  return (u64x8) _mm512_permutex2var_epi64 ((__m512i) a, (__m512i) mask,
+					    (__m512i) b);
+}
+
 
 #define u32x16_ternary_logic(a, b, c, d) \
   (u32x16) _mm512_ternarylogic_epi32 ((__m512i) a, (__m512i) b, (__m512i) c, d)