efd: move AVX2 lookup in its own compilation unit

[dpdk.git] / lib / librte_efd / rte_efd_x86.h

diff --git a/lib/librte_efd/rte_efd_x86.h b/lib/librte_efd/rte_efd_x86.h
index 34f37d7..7a082aa 100644 (file)
--- a/lib/librte_efd/rte_efd_x86.h
+++ b/lib/librte_efd/rte_efd_x86.h
@@ -36,51 +36,7 @@
  */
 #include <immintrin.h>
 
-#if (RTE_EFD_VALUE_NUM_BITS == 8 || RTE_EFD_VALUE_NUM_BITS == 16 || \
-       RTE_EFD_VALUE_NUM_BITS == 24 || RTE_EFD_VALUE_NUM_BITS == 32)
-#define EFD_LOAD_SI128(val) _mm_load_si128(val)
-#else
-#define EFD_LOAD_SI128(val) _mm_lddqu_si128(val)
-#endif
-
-static inline efd_value_t
+extern efd_value_t
 efd_lookup_internal_avx2(const efd_hashfunc_t *group_hash_idx,
                const efd_lookuptbl_t *group_lookup_table,
-               const uint32_t hash_val_a, const uint32_t hash_val_b)
-{
-#ifdef RTE_MACHINE_CPUFLAG_AVX2
-       efd_value_t value = 0;
-       uint32_t i = 0;
-       __m256i vhash_val_a = _mm256_set1_epi32(hash_val_a);
-       __m256i vhash_val_b = _mm256_set1_epi32(hash_val_b);
-
-       for (; i < RTE_EFD_VALUE_NUM_BITS; i += 8) {
-               __m256i vhash_idx =
-                               _mm256_cvtepu16_epi32(EFD_LOAD_SI128(
-                               (__m128i const *) &group_hash_idx[i]));
-               __m256i vlookup_table = _mm256_cvtepu16_epi32(
-                               EFD_LOAD_SI128((__m128i const *)
-                               &group_lookup_table[i]));
-               __m256i vhash = _mm256_add_epi32(vhash_val_a,
-                               _mm256_mullo_epi32(vhash_idx, vhash_val_b));
-               __m256i vbucket_idx = _mm256_srli_epi32(vhash,
-                               EFD_LOOKUPTBL_SHIFT);
-               __m256i vresult = _mm256_srlv_epi32(vlookup_table,
-                               vbucket_idx);
-
-               value |= (_mm256_movemask_ps(
-                       (__m256) _mm256_slli_epi32(vresult, 31))
-                       & ((1 << (RTE_EFD_VALUE_NUM_BITS - i)) - 1)) << i;
-       }
-
-       return value;
-#else
-       RTE_SET_USED(group_hash_idx);
-       RTE_SET_USED(group_lookup_table);
-       RTE_SET_USED(hash_val_a);
-       RTE_SET_USED(hash_val_b);
-       /* Return dummy value, only to avoid compilation breakage */
-       return 0;
-#endif
-
-}
+               const uint32_t hash_val_a, const uint32_t hash_val_b);