1 files changed, 80 insertions, 0 deletions
diff --git a/src/vppinfra/vector_avx2.h b/src/vppinfra/vector_avx2.h
new file mode 100644
index 00000000000..ad7e7d4dea8
--- /dev/null
+++ b/src/vppinfra/vector_avx2.h
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_vector_avx2_h
+#define included_vector_avx2_h
+
+#include <vppinfra/clib.h>
+#include <x86intrin.h>
+
+#define foreach_avx2_vec256i \
+  _(i,8,32,epi8) _(i,16,16,epi16) _(i,32,8,epi32)  _(i,64,4,epi64x)
+#define foreach_avx2_vec256u \
+  _(u,8,32,epi8) _(u,16,16,epi16) _(u,32,8,epi32)  _(u,64,4,epi64x)
+#define foreach_avx2_vec256f \
+  _(f,32,8,ps) _(f,64,4,pd)
+
+/* splat, load_unaligned, store_unaligned, is_all_zero, is_all_equal */
+#define _(t, s, c, i) \
+static_always_inline t##s##x##c						\
+t##s##x##c##_splat (t##s x)						\
+{ return (t##s##x##c) _mm256_set1_##i (x); }				\
+\
+static_always_inline t##s##x##c						\
+t##s##x##c##_load_unaligned (void *p)					\
+{ return (t##s##x##c) _mm256_loadu_si256 (p); }				\
+\
+static_always_inline void						\
+t##s##x##c##_store_unaligned (t##s##x##c v, void *p)			\
+{ _mm256_storeu_si256 ((__m256i *) p, (__m256i) v); }			\
+\
+static_always_inline int						\
+t##s##x##c##_is_all_zero (t##s##x##c x)					\
+{ return _mm256_testz_si256 ((__m256i) x, (__m256i) x); }		\
+\
+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_all_zero (v != t##s##x##c##_splat (x)); };	\
+\
+
+foreach_avx2_vec256i foreach_avx2_vec256u
+#undef _
+  always_inline u32x8
+u32x8_permute (u32x8 v, u32x8 idx)
+{
+  return (u32x8) _mm256_permutevar8x32_epi32 ((__m256i) v, (__m256i) idx);
+}
+
+always_inline u32x4
+u32x8_extract_lo (u32x8 v)
+{
+  return (u32x4) _mm256_extracti128_si256 ((__m256i) v, 0);
+}
+
+always_inline u32x4
+u32x8_extract_hi (u32x8 v)
+{
+  return (u32x4) _mm256_extracti128_si256 ((__m256i) v, 1);
+}
+
+#endif /* included_vector_avx2_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */