1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015 Intel Corporation
7 /* Functions to compare multiple of 16 byte keys (up to 128 bytes) */
9 rte_hash_k16_cmp_eq(const void *key1, const void *key2, size_t key_len __rte_unused)
11 const __m128i k1 = _mm_loadu_si128((const __m128i *) key1);
12 const __m128i k2 = _mm_loadu_si128((const __m128i *) key2);
13 const __m128i x = _mm_xor_si128(k1, k2);
15 return !_mm_test_all_zeros(x, x);
19 rte_hash_k32_cmp_eq(const void *key1, const void *key2, size_t key_len)
21 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
22 rte_hash_k16_cmp_eq((const char *) key1 + 16,
23 (const char *) key2 + 16, key_len);
27 rte_hash_k48_cmp_eq(const void *key1, const void *key2, size_t key_len)
29 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
30 rte_hash_k16_cmp_eq((const char *) key1 + 16,
31 (const char *) key2 + 16, key_len) ||
32 rte_hash_k16_cmp_eq((const char *) key1 + 32,
33 (const char *) key2 + 32, key_len);
37 rte_hash_k64_cmp_eq(const void *key1, const void *key2, size_t key_len)
39 return rte_hash_k32_cmp_eq(key1, key2, key_len) ||
40 rte_hash_k32_cmp_eq((const char *) key1 + 32,
41 (const char *) key2 + 32, key_len);
45 rte_hash_k80_cmp_eq(const void *key1, const void *key2, size_t key_len)
47 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
48 rte_hash_k16_cmp_eq((const char *) key1 + 64,
49 (const char *) key2 + 64, key_len);
53 rte_hash_k96_cmp_eq(const void *key1, const void *key2, size_t key_len)
55 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
56 rte_hash_k32_cmp_eq((const char *) key1 + 64,
57 (const char *) key2 + 64, key_len);
61 rte_hash_k112_cmp_eq(const void *key1, const void *key2, size_t key_len)
63 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
64 rte_hash_k32_cmp_eq((const char *) key1 + 64,
65 (const char *) key2 + 64, key_len) ||
66 rte_hash_k16_cmp_eq((const char *) key1 + 96,
67 (const char *) key2 + 96, key_len);
71 rte_hash_k128_cmp_eq(const void *key1, const void *key2, size_t key_len)
73 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
74 rte_hash_k64_cmp_eq((const char *) key1 + 64,
75 (const char *) key2 + 64, key_len);