ceph/src/spdk/dpdk/lib/librte_eal/common/arch/x86/rte_memcpy.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <rte_memcpy.h>
   6 #include <rte_cpuflags.h>
   7 #include <rte_log.h>
   8
   9 void *(*rte_memcpy_ptr)(void *dst, const void *src, size_t n) = NULL;
  10
  11 RTE_INIT(rte_memcpy_init)
  12 {
  13 #ifdef CC_SUPPORT_AVX512F
  14         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F)) {
  15                 rte_memcpy_ptr = rte_memcpy_avx512f;
  16                 RTE_LOG(DEBUG, EAL, "AVX512 memcpy is using!\n");
  17                 return;
  18         }
  19 #endif
  20 #ifdef CC_SUPPORT_AVX2
  21         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
  22                 rte_memcpy_ptr = rte_memcpy_avx2;
  23                 RTE_LOG(DEBUG, EAL, "AVX2 memcpy is using!\n");
  24                 return;
  25         }
  26 #endif
  27         rte_memcpy_ptr = rte_memcpy_sse;
  28         RTE_LOG(DEBUG, EAL, "Default SSE/AVX memcpy is using!\n");
  29 }