diff options
Diffstat (limited to 'src/dpdk22/lib/librte_hash/rte_cmp_x86.h')
-rw-r--r-- | src/dpdk22/lib/librte_hash/rte_cmp_x86.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/src/dpdk22/lib/librte_hash/rte_cmp_x86.h b/src/dpdk22/lib/librte_hash/rte_cmp_x86.h deleted file mode 100644 index 7f79bace..00000000 --- a/src/dpdk22/lib/librte_hash/rte_cmp_x86.h +++ /dev/null @@ -1,109 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2015 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* Functions to compare multiple of 16 byte keys (up to 128 bytes) */ -static int -rte_hash_k16_cmp_eq(const void *key1, const void *key2, size_t key_len __rte_unused) -{ - const __m128i k1 = _mm_loadu_si128((const __m128i *) key1); - const __m128i k2 = _mm_loadu_si128((const __m128i *) key2); -#ifdef RTE_MACHINE_CPUFLAG_SSE4_1 - const __m128i x = _mm_xor_si128(k1, k2); - - return !_mm_test_all_zeros(x, x); -#else - const __m128i x = _mm_cmpeq_epi32(k1, k2); - - return (_mm_movemask_epi8(x) != 0xffff); -#endif -} - -static int -rte_hash_k32_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k16_cmp_eq(key1, key2, key_len) || - rte_hash_k16_cmp_eq((const char *) key1 + 16, - (const char *) key2 + 16, key_len); -} - -static int -rte_hash_k48_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k16_cmp_eq(key1, key2, key_len) || - rte_hash_k16_cmp_eq((const char *) key1 + 16, - (const char *) key2 + 16, key_len) || - rte_hash_k16_cmp_eq((const char *) key1 + 32, - (const char *) key2 + 32, key_len); -} - -static int -rte_hash_k64_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k32_cmp_eq(key1, key2, key_len) || - rte_hash_k32_cmp_eq((const char *) key1 + 32, - (const char *) key2 + 32, key_len); -} - -static int -rte_hash_k80_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k64_cmp_eq(key1, key2, key_len) || - rte_hash_k16_cmp_eq((const char *) key1 + 64, - (const char *) key2 + 64, key_len); -} - -static int -rte_hash_k96_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k64_cmp_eq(key1, key2, key_len) || - rte_hash_k32_cmp_eq((const char *) key1 + 64, - (const char *) key2 + 64, key_len); -} - -static int -rte_hash_k112_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k64_cmp_eq(key1, key2, key_len) || - rte_hash_k32_cmp_eq((const char *) key1 + 64, - (const char *) key2 + 64, key_len) || - rte_hash_k16_cmp_eq((const char *) key1 + 96, - (const char *) key2 + 96, key_len); -} - -static int -rte_hash_k128_cmp_eq(const void *key1, const void *key2, size_t key_len) -{ - return rte_hash_k64_cmp_eq(key1, key2, key_len) || - rte_hash_k64_cmp_eq((const char *) key1 + 64, - (const char *) key2 + 64, key_len); -} |