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-rw-r--r--lib/librte_eal/common/arch/x86/rte_memcpy.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/lib/librte_eal/common/arch/x86/rte_memcpy.c b/lib/librte_eal/common/arch/x86/rte_memcpy.c
new file mode 100644
index 00000000..174bef15
--- /dev/null
+++ b/lib/librte_eal/common/arch/x86/rte_memcpy.c
@@ -0,0 +1,58 @@
+/*-
+ * 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");
+}