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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2017 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.
*/
#include <rte_memcpy.h>
#include <rte_cpuflags.h>
#include <rte_log.h>
void *(*rte_memcpy_ptr)(void *dst, const void *src, size_t n) = NULL;
RTE_INIT(rte_memcpy_init)
{
#ifdef CC_SUPPORT_AVX512F
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) {
rte_memcpy_ptr = rte_memcpy_avx512f;
RTE_LOG(DEBUG, EAL, "AVX512 memcpy is using!\n");
return;
}
#endif
#ifdef CC_SUPPORT_AVX2
if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
rte_memcpy_ptr = rte_memcpy_avx2;
RTE_LOG(DEBUG, EAL, "AVX2 memcpy is using!\n");
return;
}
#endif
rte_memcpy_ptr = rte_memcpy_sse;
RTE_LOG(DEBUG, EAL, "Default SSE/AVX memcpy is using!\n");
}
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