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git.proxmox.com Git - ceph.git/blob - ceph/src/seastar/dpdk/lib/librte_hash/rte_cmp_arm64.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015 Cavium, Inc
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
,
8 size_t key_len __rte_unused
)
10 uint64_t x0
, x1
, y0
, y1
;
13 "ldp %x[x1], %x[x0], [%x[p1]]"
14 : [x1
]"=r"(x1
), [x0
]"=r"(x0
)
18 "ldp %x[y1], %x[y0], [%x[p2]]"
19 : [y1
]"=r"(y1
), [y0
]"=r"(y0
)
24 return !(x0
== 0 && x1
== 0);
28 rte_hash_k32_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
30 return rte_hash_k16_cmp_eq(key1
, key2
, key_len
) ||
31 rte_hash_k16_cmp_eq((const char *) key1
+ 16,
32 (const char *) key2
+ 16, key_len
);
36 rte_hash_k48_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
38 return rte_hash_k16_cmp_eq(key1
, key2
, key_len
) ||
39 rte_hash_k16_cmp_eq((const char *) key1
+ 16,
40 (const char *) key2
+ 16, key_len
) ||
41 rte_hash_k16_cmp_eq((const char *) key1
+ 32,
42 (const char *) key2
+ 32, key_len
);
46 rte_hash_k64_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
48 return rte_hash_k32_cmp_eq(key1
, key2
, key_len
) ||
49 rte_hash_k32_cmp_eq((const char *) key1
+ 32,
50 (const char *) key2
+ 32, key_len
);
54 rte_hash_k80_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
56 return rte_hash_k64_cmp_eq(key1
, key2
, key_len
) ||
57 rte_hash_k16_cmp_eq((const char *) key1
+ 64,
58 (const char *) key2
+ 64, key_len
);
62 rte_hash_k96_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
64 return rte_hash_k64_cmp_eq(key1
, key2
, key_len
) ||
65 rte_hash_k32_cmp_eq((const char *) key1
+ 64,
66 (const char *) key2
+ 64, key_len
);
70 rte_hash_k112_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
72 return rte_hash_k64_cmp_eq(key1
, key2
, key_len
) ||
73 rte_hash_k32_cmp_eq((const char *) key1
+ 64,
74 (const char *) key2
+ 64, key_len
) ||
75 rte_hash_k16_cmp_eq((const char *) key1
+ 96,
76 (const char *) key2
+ 96, key_len
);
80 rte_hash_k128_cmp_eq(const void *key1
, const void *key2
, size_t key_len
)
82 return rte_hash_k64_cmp_eq(key1
, key2
, key_len
) ||
83 rte_hash_k64_cmp_eq((const char *) key1
+ 64,
84 (const char *) key2
+ 64, key_len
);