1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015 Intel Corporation
5 /* Functions to compare multiple of 16 byte keys (up to 128 bytes) */
7 rte_hash_k16_cmp_eq(const void *key1, const void *key2, size_t key_len __rte_unused)
9 const __m128i k1 = _mm_loadu_si128((const __m128i *) key1);
10 const __m128i k2 = _mm_loadu_si128((const __m128i *) key2);
11 const __m128i x = _mm_xor_si128(k1, k2);
13 return !_mm_test_all_zeros(x, x);
17 rte_hash_k32_cmp_eq(const void *key1, const void *key2, size_t key_len)
19 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
20 rte_hash_k16_cmp_eq((const char *) key1 + 16,
21 (const char *) key2 + 16, key_len);
25 rte_hash_k48_cmp_eq(const void *key1, const void *key2, size_t key_len)
27 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
28 rte_hash_k16_cmp_eq((const char *) key1 + 16,
29 (const char *) key2 + 16, key_len) ||
30 rte_hash_k16_cmp_eq((const char *) key1 + 32,
31 (const char *) key2 + 32, key_len);
35 rte_hash_k64_cmp_eq(const void *key1, const void *key2, size_t key_len)
37 return rte_hash_k32_cmp_eq(key1, key2, key_len) ||
38 rte_hash_k32_cmp_eq((const char *) key1 + 32,
39 (const char *) key2 + 32, key_len);
43 rte_hash_k80_cmp_eq(const void *key1, const void *key2, size_t key_len)
45 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
46 rte_hash_k16_cmp_eq((const char *) key1 + 64,
47 (const char *) key2 + 64, key_len);
51 rte_hash_k96_cmp_eq(const void *key1, const void *key2, size_t key_len)
53 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
54 rte_hash_k32_cmp_eq((const char *) key1 + 64,
55 (const char *) key2 + 64, key_len);
59 rte_hash_k112_cmp_eq(const void *key1, const void *key2, size_t key_len)
61 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
62 rte_hash_k32_cmp_eq((const char *) key1 + 64,
63 (const char *) key2 + 64, key_len) ||
64 rte_hash_k16_cmp_eq((const char *) key1 + 96,
65 (const char *) key2 + 96, key_len);
69 rte_hash_k128_cmp_eq(const void *key1, const void *key2, size_t key_len)
71 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
72 rte_hash_k64_cmp_eq((const char *) key1 + 64,
73 (const char *) key2 + 64, key_len);