mirror of https://github.com/F-Stack/f-stack.git
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
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/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rte_memcpy.h>
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#include <rte_cpuflags.h>
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#include <rte_log.h>
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void *(*rte_memcpy_ptr)(void *dst, const void *src, size_t n) = NULL;
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RTE_INIT(rte_memcpy_init)
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{
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#ifdef CC_SUPPORT_AVX512F
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if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) {
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rte_memcpy_ptr = rte_memcpy_avx512f;
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RTE_LOG(DEBUG, EAL, "AVX512 memcpy is using!\n");
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return;
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}
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#endif
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#ifdef CC_SUPPORT_AVX2
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if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
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rte_memcpy_ptr = rte_memcpy_avx2;
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RTE_LOG(DEBUG, EAL, "AVX2 memcpy is using!\n");
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return;
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}
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#endif
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rte_memcpy_ptr = rte_memcpy_sse;
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RTE_LOG(DEBUG, EAL, "Default SSE/AVX memcpy is using!\n");
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}
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