X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Fvector_avx512.h;h=29d96f85ce94dfab656a76131cda775574f557ed;hb=f75defa7676759fa81ae75e7edd492572c6b8fd6;hp=c1b7c42a2608a695eb8643ec6be0c18403c0c197;hpb=8c3f8a29374deed5a67a5fd084f186413f6183d7;p=vpp.git

diff --git a/src/vppinfra/vector_avx512.h b/src/vppinfra/vector_avx512.h
index c1b7c42a260..29d96f85ce9 100644
--- a/src/vppinfra/vector_avx512.h
+++ b/src/vppinfra/vector_avx512.h
@@ -19,6 +19,7 @@
 #include <vppinfra/clib.h>
 #include <x86intrin.h>
 
+/* *INDENT-OFF* */
 #define foreach_avx512_vec512i \
   _(i,8,64,epi8) _(i,16,32,epi16) _(i,32,16,epi32)  _(i,64,8,epi64)
 #define foreach_avx512_vec512u \
@@ -26,8 +27,8 @@
 #define foreach_avx512_vec512f \
   _(f,32,8,ps) _(f,64,4,pd)
 
-/* splat, load_unaligned, store_unaligned */
-/* *INDENT-OFF* */
+/* splat, load_unaligned, store_unaligned, is_all_zero, is_equal,
+   is_all_equal, is_zero_mask */
 #define _(t, s, c, i) \
 static_always_inline t##s##x##c						\
 t##s##x##c##_splat (t##s x)						\
@@ -41,6 +42,30 @@ static_always_inline void						\
 t##s##x##c##_store_unaligned (t##s##x##c v, void *p)			\
 { _mm512_storeu_si512 ((__m512i *) p, (__m512i) v); }			\
 \
+static_always_inline int						\
+t##s##x##c##_is_all_zero (t##s##x##c v)					\
+{ return (_mm512_test_epi64_mask ((__m512i) v, (__m512i) v) == 0); }	\
+\
+static_always_inline int						\
+t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b)			\
+{ return t##s##x##c##_is_all_zero (a ^ b); }				\
+\
+static_always_inline int						\
+t##s##x##c##_is_all_equal (t##s##x##c v, t##s x)			\
+{ return t##s##x##c##_is_equal (v, t##s##x##c##_splat (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
 #undef _
@@ -52,6 +77,204 @@ u16x32_msb_mask (u16x32 v)
   return (u32) _mm512_movepi16_mask ((__m512i) v);
 }
 
+static_always_inline u32x16
+u32x16_byte_swap (u32x16 v)
+{
+  u8x64 swap = {
+    3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12,
+    3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12,
+    3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12,
+    3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
+  };
+  return (u32x16) _mm512_shuffle_epi8 ((__m512i) v, (__m512i) swap);
+}
+
+static_always_inline u16x32
+u16x32_byte_swap (u16x32 v)
+{
+  u8x64 swap = {
+    1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
+    1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
+    1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
+    1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14
+  };
+  return (u16x32) _mm512_shuffle_epi8 ((__m512i) v, (__m512i) swap);
+}
+
+static_always_inline u32x8
+u32x16_extract_lo (u32x16 v)
+{
+  return (u32x8) _mm512_extracti64x4_epi64 ((__m512i) v, 0);
+}
+
+static_always_inline u32x8
+u32x16_extract_hi (u32x16 v)
+{
+  return (u32x8) _mm512_extracti64x4_epi64 ((__m512i) v, 1);
+}
+
+static_always_inline u32
+u32x16_min_scalar (u32x16 v)
+{
+  return u32x8_min_scalar (u32x8_min (u32x16_extract_lo (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)
+
+static_always_inline u8x64
+u8x64_xor3 (u8x64 a, u8x64 b, u8x64 c)
+{
+  return (u8x64) _mm512_ternarylogic_epi32 ((__m512i) a, (__m512i) b,
+					    (__m512i) c, 0x96);
+}
+
+static_always_inline void
+u32x16_transpose (u32x16 m[16])
+{
+  __m512i r[16], a, b, c, d, x, y;
+
+  /* *INDENT-OFF* */
+  __m512i pm1 = (__m512i) (u64x8) { 0, 1, 8, 9, 4, 5, 12, 13};
+  __m512i pm2 = (__m512i) (u64x8) { 2, 3, 10, 11, 6, 7, 14, 15};
+  __m512i pm3 = (__m512i) (u64x8) { 0, 1, 2, 3, 8, 9, 10, 11};
+  __m512i pm4 = (__m512i) (u64x8) { 4, 5, 6, 7, 12, 13, 14, 15};
+  /* *INDENT-ON* */
+
+  r[0] = _mm512_unpacklo_epi32 ((__m512i) m[0], (__m512i) m[1]);
+  r[1] = _mm512_unpacklo_epi32 ((__m512i) m[2], (__m512i) m[3]);
+  r[2] = _mm512_unpacklo_epi32 ((__m512i) m[4], (__m512i) m[5]);
+  r[3] = _mm512_unpacklo_epi32 ((__m512i) m[6], (__m512i) m[7]);
+  r[4] = _mm512_unpacklo_epi32 ((__m512i) m[8], (__m512i) m[9]);
+  r[5] = _mm512_unpacklo_epi32 ((__m512i) m[10], (__m512i) m[11]);
+  r[6] = _mm512_unpacklo_epi32 ((__m512i) m[12], (__m512i) m[13]);
+  r[7] = _mm512_unpacklo_epi32 ((__m512i) m[14], (__m512i) m[15]);
+
+  r[8] = _mm512_unpackhi_epi32 ((__m512i) m[0], (__m512i) m[1]);
+  r[9] = _mm512_unpackhi_epi32 ((__m512i) m[2], (__m512i) m[3]);
+  r[10] = _mm512_unpackhi_epi32 ((__m512i) m[4], (__m512i) m[5]);
+  r[11] = _mm512_unpackhi_epi32 ((__m512i) m[6], (__m512i) m[7]);
+  r[12] = _mm512_unpackhi_epi32 ((__m512i) m[8], (__m512i) m[9]);
+  r[13] = _mm512_unpackhi_epi32 ((__m512i) m[10], (__m512i) m[11]);
+  r[14] = _mm512_unpackhi_epi32 ((__m512i) m[12], (__m512i) m[13]);
+  r[15] = _mm512_unpackhi_epi32 ((__m512i) m[14], (__m512i) m[15]);
+
+  a = _mm512_unpacklo_epi64 (r[0], r[1]);
+  b = _mm512_unpacklo_epi64 (r[2], r[3]);
+  c = _mm512_unpacklo_epi64 (r[4], r[5]);
+  d = _mm512_unpacklo_epi64 (r[6], r[7]);
+  x = _mm512_permutex2var_epi64 (a, pm1, b);
+  y = _mm512_permutex2var_epi64 (c, pm1, d);
+  m[0] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[8] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (a, pm2, b);
+  y = _mm512_permutex2var_epi64 (c, pm2, d);
+  m[4] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[12] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+
+  a = _mm512_unpacklo_epi64 (r[8], r[9]);
+  b = _mm512_unpacklo_epi64 (r[10], r[11]);
+  c = _mm512_unpacklo_epi64 (r[12], r[13]);
+  d = _mm512_unpacklo_epi64 (r[14], r[15]);
+  x = _mm512_permutex2var_epi64 (a, pm1, b);
+  y = _mm512_permutex2var_epi64 (c, pm1, d);
+  m[2] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[10] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (a, pm2, b);
+  y = _mm512_permutex2var_epi64 (c, pm2, d);
+  m[6] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[14] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+
+  a = _mm512_unpackhi_epi64 (r[0], r[1]);
+  b = _mm512_unpackhi_epi64 (r[2], r[3]);
+  c = _mm512_unpackhi_epi64 (r[4], r[5]);
+  d = _mm512_unpackhi_epi64 (r[6], r[7]);
+  x = _mm512_permutex2var_epi64 (a, pm1, b);
+  y = _mm512_permutex2var_epi64 (c, pm1, d);
+  m[1] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[9] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (a, pm2, b);
+  y = _mm512_permutex2var_epi64 (c, pm2, d);
+  m[5] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[13] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+
+  a = _mm512_unpackhi_epi64 (r[8], r[9]);
+  b = _mm512_unpackhi_epi64 (r[10], r[11]);
+  c = _mm512_unpackhi_epi64 (r[12], r[13]);
+  d = _mm512_unpackhi_epi64 (r[14], r[15]);
+  x = _mm512_permutex2var_epi64 (a, pm1, b);
+  y = _mm512_permutex2var_epi64 (c, pm1, d);
+  m[3] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[11] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (a, pm2, b);
+  y = _mm512_permutex2var_epi64 (c, pm2, d);
+  m[7] = (u32x16) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[15] = (u32x16) _mm512_permutex2var_epi64 (x, pm4, y);
+}
+
+
+
+static_always_inline void
+u64x8_transpose (u64x8 m[8])
+{
+  __m512i r[8], x, y;
+
+  /* *INDENT-OFF* */
+  __m512i pm1 = (__m512i) (u64x8) { 0, 1, 8, 9, 4, 5, 12, 13};
+  __m512i pm2 = (__m512i) (u64x8) { 2, 3, 10, 11, 6, 7, 14, 15};
+  __m512i pm3 = (__m512i) (u64x8) { 0, 1, 2, 3, 8, 9, 10, 11};
+  __m512i pm4 = (__m512i) (u64x8) { 4, 5, 6, 7, 12, 13, 14, 15};
+  /* *INDENT-ON* */
+
+  r[0] = _mm512_unpacklo_epi64 ((__m512i) m[0], (__m512i) m[1]);
+  r[1] = _mm512_unpacklo_epi64 ((__m512i) m[2], (__m512i) m[3]);
+  r[2] = _mm512_unpacklo_epi64 ((__m512i) m[4], (__m512i) m[5]);
+  r[3] = _mm512_unpacklo_epi64 ((__m512i) m[6], (__m512i) m[7]);
+  r[4] = _mm512_unpackhi_epi64 ((__m512i) m[0], (__m512i) m[1]);
+  r[5] = _mm512_unpackhi_epi64 ((__m512i) m[2], (__m512i) m[3]);
+  r[6] = _mm512_unpackhi_epi64 ((__m512i) m[4], (__m512i) m[5]);
+  r[7] = _mm512_unpackhi_epi64 ((__m512i) m[6], (__m512i) m[7]);
+
+  x = _mm512_permutex2var_epi64 (r[0], pm1, r[1]);
+  y = _mm512_permutex2var_epi64 (r[2], pm1, r[3]);
+  m[0] = (u64x8) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[4] = (u64x8) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (r[0], pm2, r[1]);
+  y = _mm512_permutex2var_epi64 (r[2], pm2, r[3]);
+  m[2] = (u64x8) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[6] = (u64x8) _mm512_permutex2var_epi64 (x, pm4, y);
+
+  x = _mm512_permutex2var_epi64 (r[4], pm1, r[5]);
+  y = _mm512_permutex2var_epi64 (r[6], pm1, r[7]);
+  m[1] = (u64x8) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[5] = (u64x8) _mm512_permutex2var_epi64 (x, pm4, y);
+  x = _mm512_permutex2var_epi64 (r[4], pm2, r[5]);
+  y = _mm512_permutex2var_epi64 (r[6], pm2, r[7]);
+  m[3] = (u64x8) _mm512_permutex2var_epi64 (x, pm3, y);
+  m[7] = (u64x8) _mm512_permutex2var_epi64 (x, pm4, y);
+}
+
 #endif /* included_vector_avx512_h */
 /*
  * fd.io coding-style-patch-verification: ON