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34 /* Functions to compare multiple of 16 byte keys (up to 128 bytes) */
36 rte_hash_k16_cmp_eq(const void *key1, const void *key2, size_t key_len __rte_unused)
38 const __m128i k1 = _mm_loadu_si128((const __m128i *) key1);
39 const __m128i k2 = _mm_loadu_si128((const __m128i *) key2);
40 #ifdef RTE_MACHINE_CPUFLAG_SSE4_1
41 const __m128i x = _mm_xor_si128(k1, k2);
43 return !_mm_test_all_zeros(x, x);
45 const __m128i x = _mm_cmpeq_epi32(k1, k2);
47 return _mm_movemask_epi8(x) != 0xffff;
52 rte_hash_k32_cmp_eq(const void *key1, const void *key2, size_t key_len)
54 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
55 rte_hash_k16_cmp_eq((const char *) key1 + 16,
56 (const char *) key2 + 16, key_len);
60 rte_hash_k48_cmp_eq(const void *key1, const void *key2, size_t key_len)
62 return rte_hash_k16_cmp_eq(key1, key2, key_len) ||
63 rte_hash_k16_cmp_eq((const char *) key1 + 16,
64 (const char *) key2 + 16, key_len) ||
65 rte_hash_k16_cmp_eq((const char *) key1 + 32,
66 (const char *) key2 + 32, key_len);
70 rte_hash_k64_cmp_eq(const void *key1, const void *key2, size_t key_len)
72 return rte_hash_k32_cmp_eq(key1, key2, key_len) ||
73 rte_hash_k32_cmp_eq((const char *) key1 + 32,
74 (const char *) key2 + 32, key_len);
78 rte_hash_k80_cmp_eq(const void *key1, const void *key2, size_t key_len)
80 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
81 rte_hash_k16_cmp_eq((const char *) key1 + 64,
82 (const char *) key2 + 64, key_len);
86 rte_hash_k96_cmp_eq(const void *key1, const void *key2, size_t key_len)
88 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
89 rte_hash_k32_cmp_eq((const char *) key1 + 64,
90 (const char *) key2 + 64, key_len);
94 rte_hash_k112_cmp_eq(const void *key1, const void *key2, size_t key_len)
96 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
97 rte_hash_k32_cmp_eq((const char *) key1 + 64,
98 (const char *) key2 + 64, key_len) ||
99 rte_hash_k16_cmp_eq((const char *) key1 + 96,
100 (const char *) key2 + 96, key_len);
104 rte_hash_k128_cmp_eq(const void *key1, const void *key2, size_t key_len)
106 return rte_hash_k64_cmp_eq(key1, key2, key_len) ||
107 rte_hash_k64_cmp_eq((const char *) key1 + 64,
108 (const char *) key2 + 64, key_len);