diff --git a/lib/librte_eal/bsdapp/eal/Makefile b/lib/librte_eal/bsdapp/eal/Makefile
index 005019e..27023c6 100644
--- a/lib/librte_eal/bsdapp/eal/Makefile
+++ b/lib/librte_eal/bsdapp/eal/Makefile
@@ -36,6 +36,7 @@ LIB = librte_eal.a
 ARCH_DIR ?= $(RTE_ARCH)
 VPATH += $(RTE_SDK)/lib/librte_eal/common
 VPATH += $(RTE_SDK)/lib/librte_eal/common/arch/$(ARCH_DIR)
+VPATH += $(RTE_SDK)/lib/librte_eal/common/include/arch/$(ARCH_DIR)
 
 CFLAGS += -I$(SRCDIR)/include
 CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common
@@ -93,6 +94,22 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_service.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_BSDAPP) += rte_cpuflags.c
 SRCS-$(CONFIG_RTE_ARCH_X86) += rte_spinlock.c
 
+# for run-time dispatch of memcpy
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy.c
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_sse.c
+
+# if the compiler supports AVX512, add avx512 file
+ifneq ($(filter $(MACHINE_CFLAGS),CC_SUPPORT_AVX512F),)
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_avx512f.c
+CFLAGS_rte_memcpy_avx512f.o += -mavx512f
+endif
+
+# if the compiler supports AVX2, add avx2 file
+ifneq ($(filter $(MACHINE_CFLAGS),CC_SUPPORT_AVX2),)
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_avx2.c
+CFLAGS_rte_memcpy_avx2.o += -mavx2
+endif
+
 CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
 
 CFLAGS_eal.o := -D_GNU_SOURCE
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy.c b/lib/librte_eal/common/include/arch/x86/rte_memcpy.c
new file mode 100644
index 0000000..74ae702
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy.c
@@ -0,0 +1,59 @@
+/*-
+ *   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;
+
+static void __attribute__((constructor))
+rte_memcpy_init(void)
+{
+#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");
+}
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
index 74c280c..460dcdb 100644
--- a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -34,867 +34,36 @@
 #ifndef _RTE_MEMCPY_X86_64_H_
 #define _RTE_MEMCPY_X86_64_H_
 
-/**
- * @file
- *
- * Functions for SSE/AVX/AVX2/AVX512 implementation of memcpy().
- */
-
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <rte_vect.h>
-#include <rte_common.h>
+#include <rte_memcpy_internal.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-/**
- * Copy bytes from one location to another. The locations must not overlap.
- *
- * @note This is implemented as a macro, so it's address should not be taken
- * and care is needed as parameter expressions may be evaluated multiple times.
- *
- * @param dst
- *   Pointer to the destination of the data.
- * @param src
- *   Pointer to the source data.
- * @param n
- *   Number of bytes to copy.
- * @return
- *   Pointer to the destination data.
- */
-static __rte_always_inline void *
-rte_memcpy(void *dst, const void *src, size_t n);
-
-#ifdef RTE_MACHINE_CPUFLAG_AVX512F
+#define RTE_X86_MEMCPY_THRESH 128
 
-#define ALIGNMENT_MASK 0x3F
+extern void *
+(*rte_memcpy_ptr)(void *dst, const void *src, size_t n);
 
 /**
- * AVX512 implementation below
+ * Different implementations of memcpy.
  */
+extern void*
+rte_memcpy_avx512f(void *dst, const void *src, size_t n);
 
-/**
- * Copy 16 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov16(uint8_t *dst, const uint8_t *src)
-{
-	__m128i xmm0;
-
-	xmm0 = _mm_loadu_si128((const __m128i *)src);
-	_mm_storeu_si128((__m128i *)dst, xmm0);
-}
-
-/**
- * Copy 32 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov32(uint8_t *dst, const uint8_t *src)
-{
-	__m256i ymm0;
+extern void *
+rte_memcpy_avx2(void *dst, const void *src, size_t n);
 
-	ymm0 = _mm256_loadu_si256((const __m256i *)src);
-	_mm256_storeu_si256((__m256i *)dst, ymm0);
-}
-
-/**
- * Copy 64 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov64(uint8_t *dst, const uint8_t *src)
-{
-	__m512i zmm0;
-
-	zmm0 = _mm512_loadu_si512((const void *)src);
-	_mm512_storeu_si512((void *)dst, zmm0);
-}
-
-/**
- * Copy 128 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov128(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov64(dst + 0 * 64, src + 0 * 64);
-	rte_mov64(dst + 1 * 64, src + 1 * 64);
-}
-
-/**
- * Copy 256 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov256(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov64(dst + 0 * 64, src + 0 * 64);
-	rte_mov64(dst + 1 * 64, src + 1 * 64);
-	rte_mov64(dst + 2 * 64, src + 2 * 64);
-	rte_mov64(dst + 3 * 64, src + 3 * 64);
-}
-
-/**
- * Copy 128-byte blocks from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov128blocks(uint8_t *dst, const uint8_t *src, size_t n)
-{
-	__m512i zmm0, zmm1;
-
-	while (n >= 128) {
-		zmm0 = _mm512_loadu_si512((const void *)(src + 0 * 64));
-		n -= 128;
-		zmm1 = _mm512_loadu_si512((const void *)(src + 1 * 64));
-		src = src + 128;
-		_mm512_storeu_si512((void *)(dst + 0 * 64), zmm0);
-		_mm512_storeu_si512((void *)(dst + 1 * 64), zmm1);
-		dst = dst + 128;
-	}
-}
-
-/**
- * Copy 512-byte blocks from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov512blocks(uint8_t *dst, const uint8_t *src, size_t n)
-{
-	__m512i zmm0, zmm1, zmm2, zmm3, zmm4, zmm5, zmm6, zmm7;
-
-	while (n >= 512) {
-		zmm0 = _mm512_loadu_si512((const void *)(src + 0 * 64));
-		n -= 512;
-		zmm1 = _mm512_loadu_si512((const void *)(src + 1 * 64));
-		zmm2 = _mm512_loadu_si512((const void *)(src + 2 * 64));
-		zmm3 = _mm512_loadu_si512((const void *)(src + 3 * 64));
-		zmm4 = _mm512_loadu_si512((const void *)(src + 4 * 64));
-		zmm5 = _mm512_loadu_si512((const void *)(src + 5 * 64));
-		zmm6 = _mm512_loadu_si512((const void *)(src + 6 * 64));
-		zmm7 = _mm512_loadu_si512((const void *)(src + 7 * 64));
-		src = src + 512;
-		_mm512_storeu_si512((void *)(dst + 0 * 64), zmm0);
-		_mm512_storeu_si512((void *)(dst + 1 * 64), zmm1);
-		_mm512_storeu_si512((void *)(dst + 2 * 64), zmm2);
-		_mm512_storeu_si512((void *)(dst + 3 * 64), zmm3);
-		_mm512_storeu_si512((void *)(dst + 4 * 64), zmm4);
-		_mm512_storeu_si512((void *)(dst + 5 * 64), zmm5);
-		_mm512_storeu_si512((void *)(dst + 6 * 64), zmm6);
-		_mm512_storeu_si512((void *)(dst + 7 * 64), zmm7);
-		dst = dst + 512;
-	}
-}
-
-static inline void *
-rte_memcpy_generic(void *dst, const void *src, size_t n)
-{
-	uintptr_t dstu = (uintptr_t)dst;
-	uintptr_t srcu = (uintptr_t)src;
-	void *ret = dst;
-	size_t dstofss;
-	size_t bits;
-
-	/**
-	 * Copy less than 16 bytes
-	 */
-	if (n < 16) {
-		if (n & 0x01) {
-			*(uint8_t *)dstu = *(const uint8_t *)srcu;
-			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
-			dstu = (uintptr_t)((uint8_t *)dstu + 1);
-		}
-		if (n & 0x02) {
-			*(uint16_t *)dstu = *(const uint16_t *)srcu;
-			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
-			dstu = (uintptr_t)((uint16_t *)dstu + 1);
-		}
-		if (n & 0x04) {
-			*(uint32_t *)dstu = *(const uint32_t *)srcu;
-			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
-			dstu = (uintptr_t)((uint32_t *)dstu + 1);
-		}
-		if (n & 0x08)
-			*(uint64_t *)dstu = *(const uint64_t *)srcu;
-		return ret;
-	}
-
-	/**
-	 * Fast way when copy size doesn't exceed 512 bytes
-	 */
-	if (n <= 32) {
-		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst - 16 + n,
-				  (const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 64) {
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov32((uint8_t *)dst - 32 + n,
-				  (const uint8_t *)src - 32 + n);
-		return ret;
-	}
-	if (n <= 512) {
-		if (n >= 256) {
-			n -= 256;
-			rte_mov256((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 256;
-			dst = (uint8_t *)dst + 256;
-		}
-		if (n >= 128) {
-			n -= 128;
-			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 128;
-			dst = (uint8_t *)dst + 128;
-		}
-COPY_BLOCK_128_BACK63:
-		if (n > 64) {
-			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
-			rte_mov64((uint8_t *)dst - 64 + n,
-					  (const uint8_t *)src - 64 + n);
-			return ret;
-		}
-		if (n > 0)
-			rte_mov64((uint8_t *)dst - 64 + n,
-					  (const uint8_t *)src - 64 + n);
-		return ret;
-	}
-
-	/**
-	 * Make store aligned when copy size exceeds 512 bytes
-	 */
-	dstofss = ((uintptr_t)dst & 0x3F);
-	if (dstofss > 0) {
-		dstofss = 64 - dstofss;
-		n -= dstofss;
-		rte_mov64((uint8_t *)dst, (const uint8_t *)src);
-		src = (const uint8_t *)src + dstofss;
-		dst = (uint8_t *)dst + dstofss;
-	}
-
-	/**
-	 * Copy 512-byte blocks.
-	 * Use copy block function for better instruction order control,
-	 * which is important when load is unaligned.
-	 */
-	rte_mov512blocks((uint8_t *)dst, (const uint8_t *)src, n);
-	bits = n;
-	n = n & 511;
-	bits -= n;
-	src = (const uint8_t *)src + bits;
-	dst = (uint8_t *)dst + bits;
-
-	/**
-	 * Copy 128-byte blocks.
-	 * Use copy block function for better instruction order control,
-	 * which is important when load is unaligned.
-	 */
-	if (n >= 128) {
-		rte_mov128blocks((uint8_t *)dst, (const uint8_t *)src, n);
-		bits = n;
-		n = n & 127;
-		bits -= n;
-		src = (const uint8_t *)src + bits;
-		dst = (uint8_t *)dst + bits;
-	}
-
-	/**
-	 * Copy whatever left
-	 */
-	goto COPY_BLOCK_128_BACK63;
-}
-
-#elif defined RTE_MACHINE_CPUFLAG_AVX2
-
-#define ALIGNMENT_MASK 0x1F
-
-/**
- * AVX2 implementation below
- */
-
-/**
- * Copy 16 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov16(uint8_t *dst, const uint8_t *src)
-{
-	__m128i xmm0;
-
-	xmm0 = _mm_loadu_si128((const __m128i *)src);
-	_mm_storeu_si128((__m128i *)dst, xmm0);
-}
-
-/**
- * Copy 32 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov32(uint8_t *dst, const uint8_t *src)
-{
-	__m256i ymm0;
-
-	ymm0 = _mm256_loadu_si256((const __m256i *)src);
-	_mm256_storeu_si256((__m256i *)dst, ymm0);
-}
-
-/**
- * Copy 64 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov64(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov32((uint8_t *)dst + 0 * 32, (const uint8_t *)src + 0 * 32);
-	rte_mov32((uint8_t *)dst + 1 * 32, (const uint8_t *)src + 1 * 32);
-}
-
-/**
- * Copy 128 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov128(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov32((uint8_t *)dst + 0 * 32, (const uint8_t *)src + 0 * 32);
-	rte_mov32((uint8_t *)dst + 1 * 32, (const uint8_t *)src + 1 * 32);
-	rte_mov32((uint8_t *)dst + 2 * 32, (const uint8_t *)src + 2 * 32);
-	rte_mov32((uint8_t *)dst + 3 * 32, (const uint8_t *)src + 3 * 32);
-}
-
-/**
- * Copy 128-byte blocks from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov128blocks(uint8_t *dst, const uint8_t *src, size_t n)
-{
-	__m256i ymm0, ymm1, ymm2, ymm3;
-
-	while (n >= 128) {
-		ymm0 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 0 * 32));
-		n -= 128;
-		ymm1 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 1 * 32));
-		ymm2 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 2 * 32));
-		ymm3 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 3 * 32));
-		src = (const uint8_t *)src + 128;
-		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 0 * 32), ymm0);
-		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 1 * 32), ymm1);
-		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 2 * 32), ymm2);
-		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 3 * 32), ymm3);
-		dst = (uint8_t *)dst + 128;
-	}
-}
-
-static inline void *
-rte_memcpy_generic(void *dst, const void *src, size_t n)
-{
-	uintptr_t dstu = (uintptr_t)dst;
-	uintptr_t srcu = (uintptr_t)src;
-	void *ret = dst;
-	size_t dstofss;
-	size_t bits;
-
-	/**
-	 * Copy less than 16 bytes
-	 */
-	if (n < 16) {
-		if (n & 0x01) {
-			*(uint8_t *)dstu = *(const uint8_t *)srcu;
-			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
-			dstu = (uintptr_t)((uint8_t *)dstu + 1);
-		}
-		if (n & 0x02) {
-			*(uint16_t *)dstu = *(const uint16_t *)srcu;
-			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
-			dstu = (uintptr_t)((uint16_t *)dstu + 1);
-		}
-		if (n & 0x04) {
-			*(uint32_t *)dstu = *(const uint32_t *)srcu;
-			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
-			dstu = (uintptr_t)((uint32_t *)dstu + 1);
-		}
-		if (n & 0x08) {
-			*(uint64_t *)dstu = *(const uint64_t *)srcu;
-		}
-		return ret;
-	}
-
-	/**
-	 * Fast way when copy size doesn't exceed 256 bytes
-	 */
-	if (n <= 32) {
-		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst - 16 + n,
-				(const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 48) {
-		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst + 16, (const uint8_t *)src + 16);
-		rte_mov16((uint8_t *)dst - 16 + n,
-				(const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 64) {
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov32((uint8_t *)dst - 32 + n,
-				(const uint8_t *)src - 32 + n);
-		return ret;
-	}
-	if (n <= 256) {
-		if (n >= 128) {
-			n -= 128;
-			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 128;
-			dst = (uint8_t *)dst + 128;
-		}
-COPY_BLOCK_128_BACK31:
-		if (n >= 64) {
-			n -= 64;
-			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 64;
-			dst = (uint8_t *)dst + 64;
-		}
-		if (n > 32) {
-			rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-			rte_mov32((uint8_t *)dst - 32 + n,
-					(const uint8_t *)src - 32 + n);
-			return ret;
-		}
-		if (n > 0) {
-			rte_mov32((uint8_t *)dst - 32 + n,
-					(const uint8_t *)src - 32 + n);
-		}
-		return ret;
-	}
-
-	/**
-	 * Make store aligned when copy size exceeds 256 bytes
-	 */
-	dstofss = (uintptr_t)dst & 0x1F;
-	if (dstofss > 0) {
-		dstofss = 32 - dstofss;
-		n -= dstofss;
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		src = (const uint8_t *)src + dstofss;
-		dst = (uint8_t *)dst + dstofss;
-	}
-
-	/**
-	 * Copy 128-byte blocks
-	 */
-	rte_mov128blocks((uint8_t *)dst, (const uint8_t *)src, n);
-	bits = n;
-	n = n & 127;
-	bits -= n;
-	src = (const uint8_t *)src + bits;
-	dst = (uint8_t *)dst + bits;
-
-	/**
-	 * Copy whatever left
-	 */
-	goto COPY_BLOCK_128_BACK31;
-}
-
-#else /* RTE_MACHINE_CPUFLAG */
-
-#define ALIGNMENT_MASK 0x0F
-
-/**
- * SSE & AVX implementation below
- */
-
-/**
- * Copy 16 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov16(uint8_t *dst, const uint8_t *src)
-{
-	__m128i xmm0;
-
-	xmm0 = _mm_loadu_si128((const __m128i *)(const __m128i *)src);
-	_mm_storeu_si128((__m128i *)dst, xmm0);
-}
-
-/**
- * Copy 32 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov32(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
-	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
-}
-
-/**
- * Copy 64 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov64(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
-	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
-	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
-	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
-}
-
-/**
- * Copy 128 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov128(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
-	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
-	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
-	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
-	rte_mov16((uint8_t *)dst + 4 * 16, (const uint8_t *)src + 4 * 16);
-	rte_mov16((uint8_t *)dst + 5 * 16, (const uint8_t *)src + 5 * 16);
-	rte_mov16((uint8_t *)dst + 6 * 16, (const uint8_t *)src + 6 * 16);
-	rte_mov16((uint8_t *)dst + 7 * 16, (const uint8_t *)src + 7 * 16);
-}
-
-/**
- * Copy 256 bytes from one location to another,
- * locations should not overlap.
- */
-static inline void
-rte_mov256(uint8_t *dst, const uint8_t *src)
-{
-	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
-	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
-	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
-	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
-	rte_mov16((uint8_t *)dst + 4 * 16, (const uint8_t *)src + 4 * 16);
-	rte_mov16((uint8_t *)dst + 5 * 16, (const uint8_t *)src + 5 * 16);
-	rte_mov16((uint8_t *)dst + 6 * 16, (const uint8_t *)src + 6 * 16);
-	rte_mov16((uint8_t *)dst + 7 * 16, (const uint8_t *)src + 7 * 16);
-	rte_mov16((uint8_t *)dst + 8 * 16, (const uint8_t *)src + 8 * 16);
-	rte_mov16((uint8_t *)dst + 9 * 16, (const uint8_t *)src + 9 * 16);
-	rte_mov16((uint8_t *)dst + 10 * 16, (const uint8_t *)src + 10 * 16);
-	rte_mov16((uint8_t *)dst + 11 * 16, (const uint8_t *)src + 11 * 16);
-	rte_mov16((uint8_t *)dst + 12 * 16, (const uint8_t *)src + 12 * 16);
-	rte_mov16((uint8_t *)dst + 13 * 16, (const uint8_t *)src + 13 * 16);
-	rte_mov16((uint8_t *)dst + 14 * 16, (const uint8_t *)src + 14 * 16);
-	rte_mov16((uint8_t *)dst + 15 * 16, (const uint8_t *)src + 15 * 16);
-}
-
-/**
- * Macro for copying unaligned block from one location to another with constant load offset,
- * 47 bytes leftover maximum,
- * locations should not overlap.
- * Requirements:
- * - Store is aligned
- * - Load offset is <offset>, which must be immediate value within [1, 15]
- * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
- * - <dst>, <src>, <len> must be variables
- * - __m128i <xmm0> ~ <xmm8> must be pre-defined
- */
-#define MOVEUNALIGNED_LEFT47_IMM(dst, src, len, offset)                                                     \
-__extension__ ({                                                                                            \
-    int tmp;                                                                                                \
-    while (len >= 128 + 16 - offset) {                                                                      \
-        xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));                  \
-        len -= 128;                                                                                         \
-        xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));                  \
-        xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));                  \
-        xmm3 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 3 * 16));                  \
-        xmm4 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 4 * 16));                  \
-        xmm5 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 5 * 16));                  \
-        xmm6 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 6 * 16));                  \
-        xmm7 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 7 * 16));                  \
-        xmm8 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 8 * 16));                  \
-        src = (const uint8_t *)src + 128;                                                                   \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 2 * 16), _mm_alignr_epi8(xmm3, xmm2, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 3 * 16), _mm_alignr_epi8(xmm4, xmm3, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 4 * 16), _mm_alignr_epi8(xmm5, xmm4, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 5 * 16), _mm_alignr_epi8(xmm6, xmm5, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 6 * 16), _mm_alignr_epi8(xmm7, xmm6, offset));        \
-        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 7 * 16), _mm_alignr_epi8(xmm8, xmm7, offset));        \
-        dst = (uint8_t *)dst + 128;                                                                         \
-    }                                                                                                       \
-    tmp = len;                                                                                              \
-    len = ((len - 16 + offset) & 127) + 16 - offset;                                                        \
-    tmp -= len;                                                                                             \
-    src = (const uint8_t *)src + tmp;                                                                       \
-    dst = (uint8_t *)dst + tmp;                                                                             \
-    if (len >= 32 + 16 - offset) {                                                                          \
-        while (len >= 32 + 16 - offset) {                                                                   \
-            xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));              \
-            len -= 32;                                                                                      \
-            xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));              \
-            xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));              \
-            src = (const uint8_t *)src + 32;                                                                \
-            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));    \
-            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));    \
-            dst = (uint8_t *)dst + 32;                                                                      \
-        }                                                                                                   \
-        tmp = len;                                                                                          \
-        len = ((len - 16 + offset) & 31) + 16 - offset;                                                     \
-        tmp -= len;                                                                                         \
-        src = (const uint8_t *)src + tmp;                                                                   \
-        dst = (uint8_t *)dst + tmp;                                                                         \
-    }                                                                                                       \
-})
-
-/**
- * Macro for copying unaligned block from one location to another,
- * 47 bytes leftover maximum,
- * locations should not overlap.
- * Use switch here because the aligning instruction requires immediate value for shift count.
- * Requirements:
- * - Store is aligned
- * - Load offset is <offset>, which must be within [1, 15]
- * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
- * - <dst>, <src>, <len> must be variables
- * - __m128i <xmm0> ~ <xmm8> used in MOVEUNALIGNED_LEFT47_IMM must be pre-defined
- */
-#define MOVEUNALIGNED_LEFT47(dst, src, len, offset)                   \
-__extension__ ({                                                      \
-    switch (offset) {                                                 \
-    case 0x01: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x01); break;    \
-    case 0x02: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x02); break;    \
-    case 0x03: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x03); break;    \
-    case 0x04: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x04); break;    \
-    case 0x05: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x05); break;    \
-    case 0x06: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x06); break;    \
-    case 0x07: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x07); break;    \
-    case 0x08: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x08); break;    \
-    case 0x09: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x09); break;    \
-    case 0x0A: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0A); break;    \
-    case 0x0B: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0B); break;    \
-    case 0x0C: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0C); break;    \
-    case 0x0D: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0D); break;    \
-    case 0x0E: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0E); break;    \
-    case 0x0F: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0F); break;    \
-    default:;                                                         \
-    }                                                                 \
-})
-
-static inline void *
-rte_memcpy_generic(void *dst, const void *src, size_t n)
-{
-	__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8;
-	uintptr_t dstu = (uintptr_t)dst;
-	uintptr_t srcu = (uintptr_t)src;
-	void *ret = dst;
-	size_t dstofss;
-	size_t srcofs;
-
-	/**
-	 * Copy less than 16 bytes
-	 */
-	if (n < 16) {
-		if (n & 0x01) {
-			*(uint8_t *)dstu = *(const uint8_t *)srcu;
-			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
-			dstu = (uintptr_t)((uint8_t *)dstu + 1);
-		}
-		if (n & 0x02) {
-			*(uint16_t *)dstu = *(const uint16_t *)srcu;
-			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
-			dstu = (uintptr_t)((uint16_t *)dstu + 1);
-		}
-		if (n & 0x04) {
-			*(uint32_t *)dstu = *(const uint32_t *)srcu;
-			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
-			dstu = (uintptr_t)((uint32_t *)dstu + 1);
-		}
-		if (n & 0x08) {
-			*(uint64_t *)dstu = *(const uint64_t *)srcu;
-		}
-		return ret;
-	}
-
-	/**
-	 * Fast way when copy size doesn't exceed 512 bytes
-	 */
-	if (n <= 32) {
-		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst - 16 + n, (const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 48) {
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst - 16 + n, (const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 64) {
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst + 32, (const uint8_t *)src + 32);
-		rte_mov16((uint8_t *)dst - 16 + n, (const uint8_t *)src - 16 + n);
-		return ret;
-	}
-	if (n <= 128) {
-		goto COPY_BLOCK_128_BACK15;
-	}
-	if (n <= 512) {
-		if (n >= 256) {
-			n -= 256;
-			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
-			rte_mov128((uint8_t *)dst + 128, (const uint8_t *)src + 128);
-			src = (const uint8_t *)src + 256;
-			dst = (uint8_t *)dst + 256;
-		}
-COPY_BLOCK_255_BACK15:
-		if (n >= 128) {
-			n -= 128;
-			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 128;
-			dst = (uint8_t *)dst + 128;
-		}
-COPY_BLOCK_128_BACK15:
-		if (n >= 64) {
-			n -= 64;
-			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 64;
-			dst = (uint8_t *)dst + 64;
-		}
-COPY_BLOCK_64_BACK15:
-		if (n >= 32) {
-			n -= 32;
-			rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-			src = (const uint8_t *)src + 32;
-			dst = (uint8_t *)dst + 32;
-		}
-		if (n > 16) {
-			rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-			rte_mov16((uint8_t *)dst - 16 + n, (const uint8_t *)src - 16 + n);
-			return ret;
-		}
-		if (n > 0) {
-			rte_mov16((uint8_t *)dst - 16 + n, (const uint8_t *)src - 16 + n);
-		}
-		return ret;
-	}
-
-	/**
-	 * Make store aligned when copy size exceeds 512 bytes,
-	 * and make sure the first 15 bytes are copied, because
-	 * unaligned copy functions require up to 15 bytes
-	 * backwards access.
-	 */
-	dstofss = (uintptr_t)dst & 0x0F;
-	if (dstofss > 0) {
-		dstofss = 16 - dstofss + 16;
-		n -= dstofss;
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		src = (const uint8_t *)src + dstofss;
-		dst = (uint8_t *)dst + dstofss;
-	}
-	srcofs = ((uintptr_t)src & 0x0F);
-
-	/**
-	 * For aligned copy
-	 */
-	if (srcofs == 0) {
-		/**
-		 * Copy 256-byte blocks
-		 */
-		for (; n >= 256; n -= 256) {
-			rte_mov256((uint8_t *)dst, (const uint8_t *)src);
-			dst = (uint8_t *)dst + 256;
-			src = (const uint8_t *)src + 256;
-		}
-
-		/**
-		 * Copy whatever left
-		 */
-		goto COPY_BLOCK_255_BACK15;
-	}
-
-	/**
-	 * For copy with unaligned load
-	 */
-	MOVEUNALIGNED_LEFT47(dst, src, n, srcofs);
-
-	/**
-	 * Copy whatever left
-	 */
-	goto COPY_BLOCK_64_BACK15;
-}
-
-#endif /* RTE_MACHINE_CPUFLAG */
-
-static inline void *
-rte_memcpy_aligned(void *dst, const void *src, size_t n)
-{
-	void *ret = dst;
-
-	/* Copy size <= 16 bytes */
-	if (n < 16) {
-		if (n & 0x01) {
-			*(uint8_t *)dst = *(const uint8_t *)src;
-			src = (const uint8_t *)src + 1;
-			dst = (uint8_t *)dst + 1;
-		}
-		if (n & 0x02) {
-			*(uint16_t *)dst = *(const uint16_t *)src;
-			src = (const uint16_t *)src + 1;
-			dst = (uint16_t *)dst + 1;
-		}
-		if (n & 0x04) {
-			*(uint32_t *)dst = *(const uint32_t *)src;
-			src = (const uint32_t *)src + 1;
-			dst = (uint32_t *)dst + 1;
-		}
-		if (n & 0x08)
-			*(uint64_t *)dst = *(const uint64_t *)src;
-
-		return ret;
-	}
-
-	/* Copy 16 <= size <= 32 bytes */
-	if (n <= 32) {
-		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov16((uint8_t *)dst - 16 + n,
-				(const uint8_t *)src - 16 + n);
-
-		return ret;
-	}
-
-	/* Copy 32 < size <= 64 bytes */
-	if (n <= 64) {
-		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
-		rte_mov32((uint8_t *)dst - 32 + n,
-				(const uint8_t *)src - 32 + n);
-
-		return ret;
-	}
-
-	/* Copy 64 bytes blocks */
-	for (; n >= 64; n -= 64) {
-		rte_mov64((uint8_t *)dst, (const uint8_t *)src);
-		dst = (uint8_t *)dst + 64;
-		src = (const uint8_t *)src + 64;
-	}
-
-	/* Copy whatever left */
-	rte_mov64((uint8_t *)dst - 64 + n,
-			(const uint8_t *)src - 64 + n);
-
-	return ret;
-}
+extern void *
+rte_memcpy_sse(void *dst, const void *src, size_t n);
 
 static inline void *
 rte_memcpy(void *dst, const void *src, size_t n)
 {
-	if (!(((uintptr_t)dst | (uintptr_t)src) & ALIGNMENT_MASK))
-		return rte_memcpy_aligned(dst, src, n);
+	if (n <= RTE_X86_MEMCPY_THRESH)
+		return rte_memcpy_internal(dst, src, n);
 	else
-		return rte_memcpy_generic(dst, src, n);
+		return (*rte_memcpy_ptr)(dst, src, n);
 }
 
 #ifdef __cplusplus
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx2.c b/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx2.c
new file mode 100644
index 0000000..c83351a
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx2.c
@@ -0,0 +1,291 @@
+/*-
+ *   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>
+
+#ifndef CC_SUPPORT_AVX2
+#error CC_SUPPORT_AVX2 not defined
+#endif
+
+void *
+rte_memcpy_avx2(void *dst, const void *src, size_t n)
+{
+	if (!(((uintptr_t)dst | (uintptr_t)src) & 0x1F)) {
+		void *ret = dst;
+
+		/* Copy size <= 16 bytes */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dst = *(const uint8_t *)src;
+				src = (const uint8_t *)src + 1;
+				dst = (uint8_t *)dst + 1;
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dst = *(const uint16_t *)src;
+				src = (const uint16_t *)src + 1;
+				dst = (uint16_t *)dst + 1;
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dst = *(const uint32_t *)src;
+				src = (const uint32_t *)src + 1;
+				dst = (uint32_t *)dst + 1;
+			}
+			if (n & 0x08)
+				*(uint64_t *)dst = *(const uint64_t *)src;
+
+			return ret;
+		}
+
+		/* Copy 16 <= size <= 32 bytes */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+
+			return ret;
+		}
+
+		/* Copy 32 < size <= 64 bytes */
+		if (n <= 64) {
+			__m256i ymm0, ymm1;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src - 32 + n));
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst - 32 + n), ymm1);
+
+			return ret;
+		}
+
+		/* Copy 64 bytes blocks */
+		for (; n >= 64; n -= 64) {
+			__m256i ymm0, ymm1;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 32));
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst + 32), ymm1);
+			dst = (uint8_t *)dst + 64;
+			src = (const uint8_t *)src + 64;
+		}
+
+		/* Copy whatever left */
+		__m256i ymm0, ymm1;
+		ymm0 = _mm256_loadu_si256((const __m256i *)
+			((const uint8_t *)src - 64 + n));
+		ymm1 = _mm256_loadu_si256((const __m256i *)
+			((const uint8_t *)src - 32 + n));
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst - 64 + n), ymm0);
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst - 32 + n), ymm1);
+
+		return ret;
+	} else {
+		uintptr_t dstu = (uintptr_t)dst;
+		uintptr_t srcu = (uintptr_t)src;
+		void *ret = dst;
+		size_t dstofss;
+		size_t bits;
+
+		/**
+		 * Copy less than 16 bytes
+		 */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dstu = *(const uint8_t *)srcu;
+				srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+				dstu = (uintptr_t)((uint8_t *)dstu + 1);
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dstu = *(const uint16_t *)srcu;
+				srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+				dstu = (uintptr_t)((uint16_t *)dstu + 1);
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dstu = *(const uint32_t *)srcu;
+				srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+				dstu = (uintptr_t)((uint32_t *)dstu + 1);
+			}
+			if (n & 0x08)
+				*(uint64_t *)dstu = *(const uint64_t *)srcu;
+			return ret;
+		}
+
+		/**
+		 * Fast way when copy size doesn't exceed 256 bytes
+		 */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+			return ret;
+		}
+		if (n <= 48) {
+			__m128i xmm0, xmm1, xmm2;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			xmm2 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm2);
+			return ret;
+		}
+		if (n <= 64) {
+			__m256i ymm0, ymm1;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src - 32 + n));
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst - 32 + n), ymm1);
+			return ret;
+		}
+		if (n <= 256) {
+			if (n >= 128) {
+				n -= 128;
+				__m256i ymm0, ymm1, ymm2, ymm3;
+				ymm0 = _mm256_loadu_si256((const __m256i *)src);
+				ymm1 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src + 32));
+				ymm2 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src + 2*32));
+				ymm3 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src + 3*32));
+				_mm256_storeu_si256((__m256i *)dst, ymm0);
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst + 32), ymm1);
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst + 2*32), ymm2);
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst + 3*32), ymm3);
+				src = (const uint8_t *)src + 128;
+				dst = (uint8_t *)dst + 128;
+			}
+COPY_BLOCK_128_BACK31:
+			if (n >= 64) {
+				n -= 64;
+				__m256i ymm0, ymm1;
+				ymm0 = _mm256_loadu_si256((const __m256i *)src);
+				ymm1 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src + 32));
+				_mm256_storeu_si256((__m256i *)dst, ymm0);
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst + 32), ymm1);
+				src = (const uint8_t *)src + 64;
+				dst = (uint8_t *)dst + 64;
+			}
+			if (n > 32) {
+				__m256i ymm0, ymm1;
+				ymm0 = _mm256_loadu_si256((const __m256i *)src);
+				ymm1 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src - 32 + n));
+				_mm256_storeu_si256((__m256i *)dst, ymm0);
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst - 32 + n), ymm1);
+				return ret;
+			}
+			if (n > 0) {
+				__m256i ymm0;
+				ymm0 = _mm256_loadu_si256((const __m256i *)
+					((const uint8_t *)src - 32 + n));
+				_mm256_storeu_si256((__m256i *)
+					((uint8_t *)dst - 32 + n), ymm0);
+			}
+			return ret;
+		}
+
+		/**
+		 * Make store aligned when copy size exceeds 256 bytes
+		 */
+		dstofss = (uintptr_t)dst & 0x1F;
+		if (dstofss > 0) {
+			dstofss = 32 - dstofss;
+			n -= dstofss;
+			__m256i ymm0;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			src = (const uint8_t *)src + dstofss;
+			dst = (uint8_t *)dst + dstofss;
+		}
+
+		/**
+		 * Copy 128-byte blocks
+		 */
+		__m256i ymm0, ymm1, ymm2, ymm3;
+
+		while (n >= 128) {
+			ymm0 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 0 * 32));
+			n -= 128;
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 1 * 32));
+			ymm2 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 2 * 32));
+			ymm3 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 3 * 32));
+			src = (const uint8_t *)src + 128;
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst + 0 * 32), ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst + 1 * 32), ymm1);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst + 2 * 32), ymm2);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst + 3 * 32), ymm3);
+			dst = (uint8_t *)dst + 128;
+		}
+		bits = n;
+		n = n & 127;
+		bits -= n;
+		src = (const uint8_t *)src + bits;
+		dst = (uint8_t *)dst + bits;
+
+		/**
+		 * Copy whatever left
+		 */
+		goto COPY_BLOCK_128_BACK31;
+	}
+}
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx512f.c b/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx512f.c
new file mode 100644
index 0000000..c8a9d20
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy_avx512f.c
@@ -0,0 +1,316 @@
+/*-
+ *   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>
+
+#ifndef CC_SUPPORT_AVX512F
+#error CC_SUPPORT_AVX512F not defined
+#endif
+
+void *
+rte_memcpy_avx512f(void *dst, const void *src, size_t n)
+{
+	if (!(((uintptr_t)dst | (uintptr_t)src) & 0x3F)) {
+		void *ret = dst;
+
+		/* Copy size <= 16 bytes */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dst = *(const uint8_t *)src;
+				src = (const uint8_t *)src + 1;
+				dst = (uint8_t *)dst + 1;
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dst = *(const uint16_t *)src;
+				src = (const uint16_t *)src + 1;
+				dst = (uint16_t *)dst + 1;
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dst = *(const uint32_t *)src;
+				src = (const uint32_t *)src + 1;
+				dst = (uint32_t *)dst + 1;
+			}
+			if (n & 0x08)
+				*(uint64_t *)dst = *(const uint64_t *)src;
+
+			return ret;
+		}
+
+		/* Copy 16 <= size <= 32 bytes */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+
+			return ret;
+		}
+
+		/* Copy 32 < size <= 64 bytes */
+		if (n <= 64) {
+			__m256i ymm0, ymm1;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src - 32 + n));
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst - 32 + n), ymm1);
+
+			return ret;
+		}
+
+		/* Copy 64 bytes blocks */
+		for (; n >= 64; n -= 64) {
+			__m512i zmm0;
+			zmm0 = _mm512_loadu_si512((const void *)src);
+			_mm512_storeu_si512((void *)dst, zmm0);
+			dst = (uint8_t *)dst + 64;
+			src = (const uint8_t *)src + 64;
+		}
+
+		/* Copy whatever left */
+		__m512i zmm0;
+		zmm0 = _mm512_loadu_si512((const void *)
+			((const uint8_t *)src - 64 + n));
+		_mm512_storeu_si512((void *)((uint8_t *)dst - 64 + n), zmm0);
+
+		return ret;
+	} else {
+		uintptr_t dstu = (uintptr_t)dst;
+		uintptr_t srcu = (uintptr_t)src;
+		void *ret = dst;
+		size_t dstofss;
+		size_t bits;
+
+		/**
+		 * Copy less than 16 bytes
+		 */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dstu = *(const uint8_t *)srcu;
+				srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+				dstu = (uintptr_t)((uint8_t *)dstu + 1);
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dstu = *(const uint16_t *)srcu;
+				srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+				dstu = (uintptr_t)((uint16_t *)dstu + 1);
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dstu = *(const uint32_t *)srcu;
+				srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+				dstu = (uintptr_t)((uint32_t *)dstu + 1);
+			}
+			if (n & 0x08)
+				*(uint64_t *)dstu = *(const uint64_t *)srcu;
+			return ret;
+		}
+
+		/**
+		 * Fast way when copy size doesn't exceed 512 bytes
+		 */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+			return ret;
+		}
+		if (n <= 64) {
+			__m256i ymm0, ymm1;
+			ymm0 = _mm256_loadu_si256((const __m256i *)src);
+			ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src - 32 + n));
+			_mm256_storeu_si256((__m256i *)dst, ymm0);
+			_mm256_storeu_si256((__m256i *)
+				((uint8_t *)dst - 32 + n), ymm1);
+			return ret;
+		}
+		if (n <= 512) {
+			if (n >= 256) {
+				n -= 256;
+				__m512i zmm0, zmm1, zmm2, zmm3;
+				zmm0 = _mm512_loadu_si512((const void *)src);
+				zmm1 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 64));
+				zmm2 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 2*64));
+				zmm3 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 3*64));
+				_mm512_storeu_si512((void *)dst, zmm0);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 64), zmm1);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 2*64), zmm2);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 3*64), zmm3);
+				src = (const uint8_t *)src + 256;
+				dst = (uint8_t *)dst + 256;
+			}
+			if (n >= 128) {
+				n -= 128;
+				__m512i zmm0, zmm1;
+				zmm0 = _mm512_loadu_si512((const void *)src);
+				zmm1 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 64));
+				_mm512_storeu_si512((void *)dst, zmm0);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 64), zmm1);
+				src = (const uint8_t *)src + 128;
+				dst = (uint8_t *)dst + 128;
+			}
+COPY_BLOCK_128_BACK63:
+			if (n > 64) {
+				__m512i zmm0, zmm1;
+				zmm0 = _mm512_loadu_si512((const void *)src);
+				zmm1 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src - 64 + n));
+				_mm512_storeu_si512((void *)dst, zmm0);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst - 64 + n), zmm1);
+				return ret;
+			}
+			if (n > 0) {
+				__m512i zmm0;
+				zmm0 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src - 64 + n));
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst - 64 + n), zmm0);
+			}
+			return ret;
+		}
+
+		/**
+		 * Make store aligned when copy size exceeds 512 bytes
+		 */
+		dstofss = ((uintptr_t)dst & 0x3F);
+		if (dstofss > 0) {
+			dstofss = 64 - dstofss;
+			n -= dstofss;
+			__m512i zmm0;
+			zmm0 = _mm512_loadu_si512((const void *)src);
+			_mm512_storeu_si512((void *)dst, zmm0);
+			src = (const uint8_t *)src + dstofss;
+			dst = (uint8_t *)dst + dstofss;
+		}
+
+		/**
+		 * Copy 512-byte blocks.
+		 * Use copy block function for better instruction order control,
+		 * which is important when load is unaligned.
+		 */
+		__m512i zmm0, zmm1, zmm2, zmm3, zmm4, zmm5, zmm6, zmm7;
+
+		while (n >= 512) {
+			zmm0 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 0 * 64));
+			n -= 512;
+			zmm1 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 1 * 64));
+			zmm2 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 2 * 64));
+			zmm3 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 3 * 64));
+			zmm4 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 4 * 64));
+			zmm5 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 5 * 64));
+			zmm6 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 6 * 64));
+			zmm7 = _mm512_loadu_si512((const void *)
+				((const uint8_t *)src + 7 * 64));
+			src = (const uint8_t *)src + 512;
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 0 * 64), zmm0);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 1 * 64), zmm1);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 2 * 64), zmm2);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 3 * 64), zmm3);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 4 * 64), zmm4);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 5 * 64), zmm5);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 6 * 64), zmm6);
+			_mm512_storeu_si512((void *)
+				((uint8_t *)dst + 7 * 64), zmm7);
+			dst = (uint8_t *)dst + 512;
+		}
+		bits = n;
+		n = n & 511;
+		bits -= n;
+		src = (const uint8_t *)src + bits;
+		dst = (uint8_t *)dst + bits;
+
+		/**
+		 * Copy 128-byte blocks.
+		 * Use copy block function for better instruction order control,
+		 * which is important when load is unaligned.
+		 */
+		if (n >= 128) {
+			__m512i zmm0, zmm1;
+
+			while (n >= 128) {
+				zmm0 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 0 * 64));
+				n -= 128;
+				zmm1 = _mm512_loadu_si512((const void *)
+					((const uint8_t *)src + 1 * 64));
+				src = (const uint8_t *)src + 128;
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 0 * 64), zmm0);
+				_mm512_storeu_si512((void *)
+					((uint8_t *)dst + 1 * 64), zmm1);
+				dst = (uint8_t *)dst + 128;
+			}
+			bits = n;
+			n = n & 127;
+			bits -= n;
+			src = (const uint8_t *)src + bits;
+			dst = (uint8_t *)dst + bits;
+		}
+
+		/**
+		 * Copy whatever left
+		 */
+		goto COPY_BLOCK_128_BACK63;
+	}
+}
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy_internal.h b/lib/librte_eal/common/include/arch/x86/rte_memcpy_internal.h
new file mode 100644
index 0000000..d17fb5b
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy_internal.h
@@ -0,0 +1,909 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 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.
+ */
+
+#ifndef _RTE_MEMCPY_INTERNAL_X86_64_H_
+#define _RTE_MEMCPY_INTERNAL_X86_64_H_
+
+/**
+ * @file
+ *
+ * Functions for SSE/AVX/AVX2/AVX512 implementation of memcpy().
+ */
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <rte_vect.h>
+#include <rte_common.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Copy bytes from one location to another. The locations must not overlap.
+ *
+ * @note This is implemented as a macro, so it's address should not be taken
+ * and care is needed as parameter expressions may be evaluated multiple times.
+ *
+ * @param dst
+ *   Pointer to the destination of the data.
+ * @param src
+ *   Pointer to the source data.
+ * @param n
+ *   Number of bytes to copy.
+ * @return
+ *   Pointer to the destination data.
+ */
+
+#ifdef RTE_MACHINE_CPUFLAG_AVX512F
+
+#define ALIGNMENT_MASK 0x3F
+
+/**
+ * AVX512 implementation below
+ */
+
+/**
+ * Copy 16 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov16(uint8_t *dst, const uint8_t *src)
+{
+	__m128i xmm0;
+
+	xmm0 = _mm_loadu_si128((const __m128i *)src);
+	_mm_storeu_si128((__m128i *)dst, xmm0);
+}
+
+/**
+ * Copy 32 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov32(uint8_t *dst, const uint8_t *src)
+{
+	__m256i ymm0;
+
+	ymm0 = _mm256_loadu_si256((const __m256i *)src);
+	_mm256_storeu_si256((__m256i *)dst, ymm0);
+}
+
+/**
+ * Copy 64 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov64(uint8_t *dst, const uint8_t *src)
+{
+	__m512i zmm0;
+
+	zmm0 = _mm512_loadu_si512((const void *)src);
+	_mm512_storeu_si512((void *)dst, zmm0);
+}
+
+/**
+ * Copy 128 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov128(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov64(dst + 0 * 64, src + 0 * 64);
+	rte_mov64(dst + 1 * 64, src + 1 * 64);
+}
+
+/**
+ * Copy 256 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov256(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov64(dst + 0 * 64, src + 0 * 64);
+	rte_mov64(dst + 1 * 64, src + 1 * 64);
+	rte_mov64(dst + 2 * 64, src + 2 * 64);
+	rte_mov64(dst + 3 * 64, src + 3 * 64);
+}
+
+/**
+ * Copy 128-byte blocks from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov128blocks(uint8_t *dst, const uint8_t *src, size_t n)
+{
+	__m512i zmm0, zmm1;
+
+	while (n >= 128) {
+		zmm0 = _mm512_loadu_si512((const void *)(src + 0 * 64));
+		n -= 128;
+		zmm1 = _mm512_loadu_si512((const void *)(src + 1 * 64));
+		src = src + 128;
+		_mm512_storeu_si512((void *)(dst + 0 * 64), zmm0);
+		_mm512_storeu_si512((void *)(dst + 1 * 64), zmm1);
+		dst = dst + 128;
+	}
+}
+
+/**
+ * Copy 512-byte blocks from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov512blocks(uint8_t *dst, const uint8_t *src, size_t n)
+{
+	__m512i zmm0, zmm1, zmm2, zmm3, zmm4, zmm5, zmm6, zmm7;
+
+	while (n >= 512) {
+		zmm0 = _mm512_loadu_si512((const void *)(src + 0 * 64));
+		n -= 512;
+		zmm1 = _mm512_loadu_si512((const void *)(src + 1 * 64));
+		zmm2 = _mm512_loadu_si512((const void *)(src + 2 * 64));
+		zmm3 = _mm512_loadu_si512((const void *)(src + 3 * 64));
+		zmm4 = _mm512_loadu_si512((const void *)(src + 4 * 64));
+		zmm5 = _mm512_loadu_si512((const void *)(src + 5 * 64));
+		zmm6 = _mm512_loadu_si512((const void *)(src + 6 * 64));
+		zmm7 = _mm512_loadu_si512((const void *)(src + 7 * 64));
+		src = src + 512;
+		_mm512_storeu_si512((void *)(dst + 0 * 64), zmm0);
+		_mm512_storeu_si512((void *)(dst + 1 * 64), zmm1);
+		_mm512_storeu_si512((void *)(dst + 2 * 64), zmm2);
+		_mm512_storeu_si512((void *)(dst + 3 * 64), zmm3);
+		_mm512_storeu_si512((void *)(dst + 4 * 64), zmm4);
+		_mm512_storeu_si512((void *)(dst + 5 * 64), zmm5);
+		_mm512_storeu_si512((void *)(dst + 6 * 64), zmm6);
+		_mm512_storeu_si512((void *)(dst + 7 * 64), zmm7);
+		dst = dst + 512;
+	}
+}
+
+static inline void *
+rte_memcpy_generic(void *dst, const void *src, size_t n)
+{
+	uintptr_t dstu = (uintptr_t)dst;
+	uintptr_t srcu = (uintptr_t)src;
+	void *ret = dst;
+	size_t dstofss;
+	size_t bits;
+
+	/**
+	 * Copy less than 16 bytes
+	 */
+	if (n < 16) {
+		if (n & 0x01) {
+			*(uint8_t *)dstu = *(const uint8_t *)srcu;
+			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+			dstu = (uintptr_t)((uint8_t *)dstu + 1);
+		}
+		if (n & 0x02) {
+			*(uint16_t *)dstu = *(const uint16_t *)srcu;
+			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+			dstu = (uintptr_t)((uint16_t *)dstu + 1);
+		}
+		if (n & 0x04) {
+			*(uint32_t *)dstu = *(const uint32_t *)srcu;
+			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+			dstu = (uintptr_t)((uint32_t *)dstu + 1);
+		}
+		if (n & 0x08)
+			*(uint64_t *)dstu = *(const uint64_t *)srcu;
+		return ret;
+	}
+
+	/**
+	 * Fast way when copy size doesn't exceed 512 bytes
+	 */
+	if (n <= 32) {
+		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				  (const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 64) {
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov32((uint8_t *)dst - 32 + n,
+				  (const uint8_t *)src - 32 + n);
+		return ret;
+	}
+	if (n <= 512) {
+		if (n >= 256) {
+			n -= 256;
+			rte_mov256((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 256;
+			dst = (uint8_t *)dst + 256;
+		}
+		if (n >= 128) {
+			n -= 128;
+			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 128;
+			dst = (uint8_t *)dst + 128;
+		}
+COPY_BLOCK_128_BACK63:
+		if (n > 64) {
+			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
+			rte_mov64((uint8_t *)dst - 64 + n,
+					  (const uint8_t *)src - 64 + n);
+			return ret;
+		}
+		if (n > 0)
+			rte_mov64((uint8_t *)dst - 64 + n,
+					  (const uint8_t *)src - 64 + n);
+		return ret;
+	}
+
+	/**
+	 * Make store aligned when copy size exceeds 512 bytes
+	 */
+	dstofss = ((uintptr_t)dst & 0x3F);
+	if (dstofss > 0) {
+		dstofss = 64 - dstofss;
+		n -= dstofss;
+		rte_mov64((uint8_t *)dst, (const uint8_t *)src);
+		src = (const uint8_t *)src + dstofss;
+		dst = (uint8_t *)dst + dstofss;
+	}
+
+	/**
+	 * Copy 512-byte blocks.
+	 * Use copy block function for better instruction order control,
+	 * which is important when load is unaligned.
+	 */
+	rte_mov512blocks((uint8_t *)dst, (const uint8_t *)src, n);
+	bits = n;
+	n = n & 511;
+	bits -= n;
+	src = (const uint8_t *)src + bits;
+	dst = (uint8_t *)dst + bits;
+
+	/**
+	 * Copy 128-byte blocks.
+	 * Use copy block function for better instruction order control,
+	 * which is important when load is unaligned.
+	 */
+	if (n >= 128) {
+		rte_mov128blocks((uint8_t *)dst, (const uint8_t *)src, n);
+		bits = n;
+		n = n & 127;
+		bits -= n;
+		src = (const uint8_t *)src + bits;
+		dst = (uint8_t *)dst + bits;
+	}
+
+	/**
+	 * Copy whatever left
+	 */
+	goto COPY_BLOCK_128_BACK63;
+}
+
+#elif defined RTE_MACHINE_CPUFLAG_AVX2
+
+#define ALIGNMENT_MASK 0x1F
+
+/**
+ * AVX2 implementation below
+ */
+
+/**
+ * Copy 16 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov16(uint8_t *dst, const uint8_t *src)
+{
+	__m128i xmm0;
+
+	xmm0 = _mm_loadu_si128((const __m128i *)src);
+	_mm_storeu_si128((__m128i *)dst, xmm0);
+}
+
+/**
+ * Copy 32 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov32(uint8_t *dst, const uint8_t *src)
+{
+	__m256i ymm0;
+
+	ymm0 = _mm256_loadu_si256((const __m256i *)src);
+	_mm256_storeu_si256((__m256i *)dst, ymm0);
+}
+
+/**
+ * Copy 64 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov64(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov32((uint8_t *)dst + 0 * 32, (const uint8_t *)src + 0 * 32);
+	rte_mov32((uint8_t *)dst + 1 * 32, (const uint8_t *)src + 1 * 32);
+}
+
+/**
+ * Copy 128 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov128(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov32((uint8_t *)dst + 0 * 32, (const uint8_t *)src + 0 * 32);
+	rte_mov32((uint8_t *)dst + 1 * 32, (const uint8_t *)src + 1 * 32);
+	rte_mov32((uint8_t *)dst + 2 * 32, (const uint8_t *)src + 2 * 32);
+	rte_mov32((uint8_t *)dst + 3 * 32, (const uint8_t *)src + 3 * 32);
+}
+
+/**
+ * Copy 128-byte blocks from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov128blocks(uint8_t *dst, const uint8_t *src, size_t n)
+{
+	__m256i ymm0, ymm1, ymm2, ymm3;
+
+	while (n >= 128) {
+		ymm0 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 0 * 32));
+		n -= 128;
+		ymm1 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 1 * 32));
+		ymm2 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 2 * 32));
+		ymm3 = _mm256_loadu_si256((const __m256i *)
+				((const uint8_t *)src + 3 * 32));
+		src = (const uint8_t *)src + 128;
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 0 * 32), ymm0);
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 1 * 32), ymm1);
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 2 * 32), ymm2);
+		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 3 * 32), ymm3);
+		dst = (uint8_t *)dst + 128;
+	}
+}
+
+static inline void *
+rte_memcpy_generic(void *dst, const void *src, size_t n)
+{
+	uintptr_t dstu = (uintptr_t)dst;
+	uintptr_t srcu = (uintptr_t)src;
+	void *ret = dst;
+	size_t dstofss;
+	size_t bits;
+
+	/**
+	 * Copy less than 16 bytes
+	 */
+	if (n < 16) {
+		if (n & 0x01) {
+			*(uint8_t *)dstu = *(const uint8_t *)srcu;
+			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+			dstu = (uintptr_t)((uint8_t *)dstu + 1);
+		}
+		if (n & 0x02) {
+			*(uint16_t *)dstu = *(const uint16_t *)srcu;
+			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+			dstu = (uintptr_t)((uint16_t *)dstu + 1);
+		}
+		if (n & 0x04) {
+			*(uint32_t *)dstu = *(const uint32_t *)srcu;
+			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+			dstu = (uintptr_t)((uint32_t *)dstu + 1);
+		}
+		if (n & 0x08)
+			*(uint64_t *)dstu = *(const uint64_t *)srcu;
+		return ret;
+	}
+
+	/**
+	 * Fast way when copy size doesn't exceed 256 bytes
+	 */
+	if (n <= 32) {
+		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 48) {
+		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst + 16, (const uint8_t *)src + 16);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 64) {
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov32((uint8_t *)dst - 32 + n,
+				(const uint8_t *)src - 32 + n);
+		return ret;
+	}
+	if (n <= 256) {
+		if (n >= 128) {
+			n -= 128;
+			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 128;
+			dst = (uint8_t *)dst + 128;
+		}
+COPY_BLOCK_128_BACK31:
+		if (n >= 64) {
+			n -= 64;
+			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 64;
+			dst = (uint8_t *)dst + 64;
+		}
+		if (n > 32) {
+			rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+			rte_mov32((uint8_t *)dst - 32 + n,
+					(const uint8_t *)src - 32 + n);
+			return ret;
+		}
+		if (n > 0) {
+			rte_mov32((uint8_t *)dst - 32 + n,
+					(const uint8_t *)src - 32 + n);
+		}
+		return ret;
+	}
+
+	/**
+	 * Make store aligned when copy size exceeds 256 bytes
+	 */
+	dstofss = (uintptr_t)dst & 0x1F;
+	if (dstofss > 0) {
+		dstofss = 32 - dstofss;
+		n -= dstofss;
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		src = (const uint8_t *)src + dstofss;
+		dst = (uint8_t *)dst + dstofss;
+	}
+
+	/**
+	 * Copy 128-byte blocks
+	 */
+	rte_mov128blocks((uint8_t *)dst, (const uint8_t *)src, n);
+	bits = n;
+	n = n & 127;
+	bits -= n;
+	src = (const uint8_t *)src + bits;
+	dst = (uint8_t *)dst + bits;
+
+	/**
+	 * Copy whatever left
+	 */
+	goto COPY_BLOCK_128_BACK31;
+}
+
+#else /* RTE_MACHINE_CPUFLAG */
+
+#define ALIGNMENT_MASK 0x0F
+
+/**
+ * SSE & AVX implementation below
+ */
+
+/**
+ * Copy 16 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov16(uint8_t *dst, const uint8_t *src)
+{
+	__m128i xmm0;
+
+	xmm0 = _mm_loadu_si128((const __m128i *)(const __m128i *)src);
+	_mm_storeu_si128((__m128i *)dst, xmm0);
+}
+
+/**
+ * Copy 32 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov32(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
+	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
+}
+
+/**
+ * Copy 64 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov64(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
+	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
+	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
+	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
+}
+
+/**
+ * Copy 128 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov128(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
+	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
+	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
+	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
+	rte_mov16((uint8_t *)dst + 4 * 16, (const uint8_t *)src + 4 * 16);
+	rte_mov16((uint8_t *)dst + 5 * 16, (const uint8_t *)src + 5 * 16);
+	rte_mov16((uint8_t *)dst + 6 * 16, (const uint8_t *)src + 6 * 16);
+	rte_mov16((uint8_t *)dst + 7 * 16, (const uint8_t *)src + 7 * 16);
+}
+
+/**
+ * Copy 256 bytes from one location to another,
+ * locations should not overlap.
+ */
+static inline void
+rte_mov256(uint8_t *dst, const uint8_t *src)
+{
+	rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16);
+	rte_mov16((uint8_t *)dst + 1 * 16, (const uint8_t *)src + 1 * 16);
+	rte_mov16((uint8_t *)dst + 2 * 16, (const uint8_t *)src + 2 * 16);
+	rte_mov16((uint8_t *)dst + 3 * 16, (const uint8_t *)src + 3 * 16);
+	rte_mov16((uint8_t *)dst + 4 * 16, (const uint8_t *)src + 4 * 16);
+	rte_mov16((uint8_t *)dst + 5 * 16, (const uint8_t *)src + 5 * 16);
+	rte_mov16((uint8_t *)dst + 6 * 16, (const uint8_t *)src + 6 * 16);
+	rte_mov16((uint8_t *)dst + 7 * 16, (const uint8_t *)src + 7 * 16);
+	rte_mov16((uint8_t *)dst + 8 * 16, (const uint8_t *)src + 8 * 16);
+	rte_mov16((uint8_t *)dst + 9 * 16, (const uint8_t *)src + 9 * 16);
+	rte_mov16((uint8_t *)dst + 10 * 16, (const uint8_t *)src + 10 * 16);
+	rte_mov16((uint8_t *)dst + 11 * 16, (const uint8_t *)src + 11 * 16);
+	rte_mov16((uint8_t *)dst + 12 * 16, (const uint8_t *)src + 12 * 16);
+	rte_mov16((uint8_t *)dst + 13 * 16, (const uint8_t *)src + 13 * 16);
+	rte_mov16((uint8_t *)dst + 14 * 16, (const uint8_t *)src + 14 * 16);
+	rte_mov16((uint8_t *)dst + 15 * 16, (const uint8_t *)src + 15 * 16);
+}
+
+/**
+ * Macro for copying unaligned block from one location to another with constant load offset,
+ * 47 bytes leftover maximum,
+ * locations should not overlap.
+ * Requirements:
+ * - Store is aligned
+ * - Load offset is <offset>, which must be immediate value within [1, 15]
+ * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
+ * - <dst>, <src>, <len> must be variables
+ * - __m128i <xmm0> ~ <xmm8> must be pre-defined
+ */
+#define MOVEUNALIGNED_LEFT47_IMM(dst, src, len, offset)                                                     \
+__extension__ ({                                                                                            \
+    int tmp;                                                                                                \
+    while (len >= 128 + 16 - offset) {                                                                      \
+        xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));                  \
+        len -= 128;                                                                                         \
+        xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));                  \
+        xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));                  \
+        xmm3 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 3 * 16));                  \
+        xmm4 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 4 * 16));                  \
+        xmm5 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 5 * 16));                  \
+        xmm6 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 6 * 16));                  \
+        xmm7 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 7 * 16));                  \
+        xmm8 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 8 * 16));                  \
+        src = (const uint8_t *)src + 128;                                                                   \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 2 * 16), _mm_alignr_epi8(xmm3, xmm2, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 3 * 16), _mm_alignr_epi8(xmm4, xmm3, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 4 * 16), _mm_alignr_epi8(xmm5, xmm4, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 5 * 16), _mm_alignr_epi8(xmm6, xmm5, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 6 * 16), _mm_alignr_epi8(xmm7, xmm6, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 7 * 16), _mm_alignr_epi8(xmm8, xmm7, offset));        \
+        dst = (uint8_t *)dst + 128;                                                                         \
+    }                                                                                                       \
+    tmp = len;                                                                                              \
+    len = ((len - 16 + offset) & 127) + 16 - offset;                                                        \
+    tmp -= len;                                                                                             \
+    src = (const uint8_t *)src + tmp;                                                                       \
+    dst = (uint8_t *)dst + tmp;                                                                             \
+    if (len >= 32 + 16 - offset) {                                                                          \
+        while (len >= 32 + 16 - offset) {                                                                   \
+            xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));              \
+            len -= 32;                                                                                      \
+            xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));              \
+            xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));              \
+            src = (const uint8_t *)src + 32;                                                                \
+            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));    \
+            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));    \
+            dst = (uint8_t *)dst + 32;                                                                      \
+        }                                                                                                   \
+        tmp = len;                                                                                          \
+        len = ((len - 16 + offset) & 31) + 16 - offset;                                                     \
+        tmp -= len;                                                                                         \
+        src = (const uint8_t *)src + tmp;                                                                   \
+        dst = (uint8_t *)dst + tmp;                                                                         \
+    }                                                                                                       \
+})
+
+/**
+ * Macro for copying unaligned block from one location to another,
+ * 47 bytes leftover maximum,
+ * locations should not overlap.
+ * Use switch here because the aligning instruction requires immediate value for shift count.
+ * Requirements:
+ * - Store is aligned
+ * - Load offset is <offset>, which must be within [1, 15]
+ * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
+ * - <dst>, <src>, <len> must be variables
+ * - __m128i <xmm0> ~ <xmm8> used in MOVEUNALIGNED_LEFT47_IMM must be pre-defined
+ */
+#define MOVEUNALIGNED_LEFT47(dst, src, len, offset)                   \
+__extension__ ({                                                      \
+    switch (offset) {                                                 \
+    case 0x01: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x01); break;    \
+    case 0x02: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x02); break;    \
+    case 0x03: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x03); break;    \
+    case 0x04: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x04); break;    \
+    case 0x05: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x05); break;    \
+    case 0x06: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x06); break;    \
+    case 0x07: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x07); break;    \
+    case 0x08: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x08); break;    \
+    case 0x09: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x09); break;    \
+    case 0x0A: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0A); break;    \
+    case 0x0B: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0B); break;    \
+    case 0x0C: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0C); break;    \
+    case 0x0D: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0D); break;    \
+    case 0x0E: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0E); break;    \
+    case 0x0F: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0F); break;    \
+    default:;                                                         \
+    }                                                                 \
+})
+
+static inline void *
+rte_memcpy_generic(void *dst, const void *src, size_t n)
+{
+	__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8;
+	uintptr_t dstu = (uintptr_t)dst;
+	uintptr_t srcu = (uintptr_t)src;
+	void *ret = dst;
+	size_t dstofss;
+	size_t srcofs;
+
+	/**
+	 * Copy less than 16 bytes
+	 */
+	if (n < 16) {
+		if (n & 0x01) {
+			*(uint8_t *)dstu = *(const uint8_t *)srcu;
+			srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+			dstu = (uintptr_t)((uint8_t *)dstu + 1);
+		}
+		if (n & 0x02) {
+			*(uint16_t *)dstu = *(const uint16_t *)srcu;
+			srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+			dstu = (uintptr_t)((uint16_t *)dstu + 1);
+		}
+		if (n & 0x04) {
+			*(uint32_t *)dstu = *(const uint32_t *)srcu;
+			srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+			dstu = (uintptr_t)((uint32_t *)dstu + 1);
+		}
+		if (n & 0x08)
+			*(uint64_t *)dstu = *(const uint64_t *)srcu;
+		return ret;
+	}
+
+	/**
+	 * Fast way when copy size doesn't exceed 512 bytes
+	 */
+	if (n <= 32) {
+		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 48) {
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 64) {
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst + 32, (const uint8_t *)src + 32);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+		return ret;
+	}
+	if (n <= 128)
+		goto COPY_BLOCK_128_BACK15;
+	if (n <= 512) {
+		if (n >= 256) {
+			n -= 256;
+			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
+			rte_mov128((uint8_t *)dst + 128,
+					(const uint8_t *)src + 128);
+			src = (const uint8_t *)src + 256;
+			dst = (uint8_t *)dst + 256;
+		}
+COPY_BLOCK_255_BACK15:
+		if (n >= 128) {
+			n -= 128;
+			rte_mov128((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 128;
+			dst = (uint8_t *)dst + 128;
+		}
+COPY_BLOCK_128_BACK15:
+		if (n >= 64) {
+			n -= 64;
+			rte_mov64((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 64;
+			dst = (uint8_t *)dst + 64;
+		}
+COPY_BLOCK_64_BACK15:
+		if (n >= 32) {
+			n -= 32;
+			rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+			src = (const uint8_t *)src + 32;
+			dst = (uint8_t *)dst + 32;
+		}
+		if (n > 16) {
+			rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+			rte_mov16((uint8_t *)dst - 16 + n,
+					(const uint8_t *)src - 16 + n);
+			return ret;
+		}
+		if (n > 0) {
+			rte_mov16((uint8_t *)dst - 16 + n,
+					(const uint8_t *)src - 16 + n);
+		}
+		return ret;
+	}
+
+	/**
+	 * Make store aligned when copy size exceeds 512 bytes,
+	 * and make sure the first 15 bytes are copied, because
+	 * unaligned copy functions require up to 15 bytes
+	 * backwards access.
+	 */
+	dstofss = (uintptr_t)dst & 0x0F;
+	if (dstofss > 0) {
+		dstofss = 16 - dstofss + 16;
+		n -= dstofss;
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		src = (const uint8_t *)src + dstofss;
+		dst = (uint8_t *)dst + dstofss;
+	}
+	srcofs = ((uintptr_t)src & 0x0F);
+
+	/**
+	 * For aligned copy
+	 */
+	if (srcofs == 0) {
+		/**
+		 * Copy 256-byte blocks
+		 */
+		for (; n >= 256; n -= 256) {
+			rte_mov256((uint8_t *)dst, (const uint8_t *)src);
+			dst = (uint8_t *)dst + 256;
+			src = (const uint8_t *)src + 256;
+		}
+
+		/**
+		 * Copy whatever left
+		 */
+		goto COPY_BLOCK_255_BACK15;
+	}
+
+	/**
+	 * For copy with unaligned load
+	 */
+	MOVEUNALIGNED_LEFT47(dst, src, n, srcofs);
+
+	/**
+	 * Copy whatever left
+	 */
+	goto COPY_BLOCK_64_BACK15;
+}
+
+#endif /* RTE_MACHINE_CPUFLAG */
+
+static inline void *
+rte_memcpy_aligned(void *dst, const void *src, size_t n)
+{
+	void *ret = dst;
+
+	/* Copy size <= 16 bytes */
+	if (n < 16) {
+		if (n & 0x01) {
+			*(uint8_t *)dst = *(const uint8_t *)src;
+			src = (const uint8_t *)src + 1;
+			dst = (uint8_t *)dst + 1;
+		}
+		if (n & 0x02) {
+			*(uint16_t *)dst = *(const uint16_t *)src;
+			src = (const uint16_t *)src + 1;
+			dst = (uint16_t *)dst + 1;
+		}
+		if (n & 0x04) {
+			*(uint32_t *)dst = *(const uint32_t *)src;
+			src = (const uint32_t *)src + 1;
+			dst = (uint32_t *)dst + 1;
+		}
+		if (n & 0x08)
+			*(uint64_t *)dst = *(const uint64_t *)src;
+
+		return ret;
+	}
+
+	/* Copy 16 <= size <= 32 bytes */
+	if (n <= 32) {
+		rte_mov16((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov16((uint8_t *)dst - 16 + n,
+				(const uint8_t *)src - 16 + n);
+
+		return ret;
+	}
+
+	/* Copy 32 < size <= 64 bytes */
+	if (n <= 64) {
+		rte_mov32((uint8_t *)dst, (const uint8_t *)src);
+		rte_mov32((uint8_t *)dst - 32 + n,
+				(const uint8_t *)src - 32 + n);
+
+		return ret;
+	}
+
+	/* Copy 64 bytes blocks */
+	for (; n >= 64; n -= 64) {
+		rte_mov64((uint8_t *)dst, (const uint8_t *)src);
+		dst = (uint8_t *)dst + 64;
+		src = (const uint8_t *)src + 64;
+	}
+
+	/* Copy whatever left */
+	rte_mov64((uint8_t *)dst - 64 + n,
+			(const uint8_t *)src - 64 + n);
+
+	return ret;
+}
+
+static inline void *
+rte_memcpy_internal(void *dst, const void *src, size_t n)
+{
+	if (!(((uintptr_t)dst | (uintptr_t)src) & ALIGNMENT_MASK))
+		return rte_memcpy_aligned(dst, src, n);
+	else
+		return rte_memcpy_generic(dst, src, n);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_MEMCPY_INTERNAL_X86_64_H_ */
diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy_sse.c b/lib/librte_eal/common/include/arch/x86/rte_memcpy_sse.c
new file mode 100644
index 0000000..2532696
--- /dev/null
+++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy_sse.c
@@ -0,0 +1,585 @@
+/*-
+ *   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>
+
+/**
+ * Macro for copying unaligned block from one location to another with constant load offset,
+ * 47 bytes leftover maximum,
+ * locations should not overlap.
+ * Requirements:
+ * - Store is aligned
+ * - Load offset is <offset>, which must be immediate value within [1, 15]
+ * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
+ * - <dst>, <src>, <len> must be variables
+ * - __m128i <xmm0> ~ <xmm8> must be pre-defined
+ */
+#define MOVEUNALIGNED_LEFT47_IMM(dst, src, len, offset)                                                     \
+__extension__ ({                                                                                            \
+    int tmp;                                                                                                \
+    while (len >= 128 + 16 - offset) {                                                                      \
+        xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));                  \
+        len -= 128;                                                                                         \
+        xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));                  \
+        xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));                  \
+        xmm3 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 3 * 16));                  \
+        xmm4 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 4 * 16));                  \
+        xmm5 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 5 * 16));                  \
+        xmm6 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 6 * 16));                  \
+        xmm7 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 7 * 16));                  \
+        xmm8 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 8 * 16));                  \
+        src = (const uint8_t *)src + 128;                                                                   \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 2 * 16), _mm_alignr_epi8(xmm3, xmm2, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 3 * 16), _mm_alignr_epi8(xmm4, xmm3, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 4 * 16), _mm_alignr_epi8(xmm5, xmm4, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 5 * 16), _mm_alignr_epi8(xmm6, xmm5, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 6 * 16), _mm_alignr_epi8(xmm7, xmm6, offset));        \
+        _mm_storeu_si128((__m128i *)((uint8_t *)dst + 7 * 16), _mm_alignr_epi8(xmm8, xmm7, offset));        \
+        dst = (uint8_t *)dst + 128;                                                                         \
+    }                                                                                                       \
+    tmp = len;                                                                                              \
+    len = ((len - 16 + offset) & 127) + 16 - offset;                                                        \
+    tmp -= len;                                                                                             \
+    src = (const uint8_t *)src + tmp;                                                                       \
+    dst = (uint8_t *)dst + tmp;                                                                             \
+    if (len >= 32 + 16 - offset) {                                                                          \
+        while (len >= 32 + 16 - offset) {                                                                   \
+            xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16));              \
+            len -= 32;                                                                                      \
+            xmm1 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 1 * 16));              \
+            xmm2 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 2 * 16));              \
+            src = (const uint8_t *)src + 32;                                                                \
+            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 0 * 16), _mm_alignr_epi8(xmm1, xmm0, offset));    \
+            _mm_storeu_si128((__m128i *)((uint8_t *)dst + 1 * 16), _mm_alignr_epi8(xmm2, xmm1, offset));    \
+            dst = (uint8_t *)dst + 32;                                                                      \
+        }                                                                                                   \
+        tmp = len;                                                                                          \
+        len = ((len - 16 + offset) & 31) + 16 - offset;                                                     \
+        tmp -= len;                                                                                         \
+        src = (const uint8_t *)src + tmp;                                                                   \
+        dst = (uint8_t *)dst + tmp;                                                                         \
+    }                                                                                                       \
+})
+
+/**
+ * Macro for copying unaligned block from one location to another,
+ * 47 bytes leftover maximum,
+ * locations should not overlap.
+ * Use switch here because the aligning instruction requires immediate value for shift count.
+ * Requirements:
+ * - Store is aligned
+ * - Load offset is <offset>, which must be within [1, 15]
+ * - For <src>, make sure <offset> bit backwards & <16 - offset> bit forwards are available for loading
+ * - <dst>, <src>, <len> must be variables
+ * - __m128i <xmm0> ~ <xmm8> used in MOVEUNALIGNED_LEFT47_IMM must be pre-defined
+ */
+#define MOVEUNALIGNED_LEFT47(dst, src, len, offset)                   \
+__extension__ ({                                                      \
+    switch (offset) {                                                 \
+    case 0x01: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x01); break;    \
+    case 0x02: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x02); break;    \
+    case 0x03: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x03); break;    \
+    case 0x04: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x04); break;    \
+    case 0x05: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x05); break;    \
+    case 0x06: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x06); break;    \
+    case 0x07: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x07); break;    \
+    case 0x08: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x08); break;    \
+    case 0x09: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x09); break;    \
+    case 0x0A: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0A); break;    \
+    case 0x0B: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0B); break;    \
+    case 0x0C: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0C); break;    \
+    case 0x0D: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0D); break;    \
+    case 0x0E: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0E); break;    \
+    case 0x0F: MOVEUNALIGNED_LEFT47_IMM(dst, src, n, 0x0F); break;    \
+    default:;                                                         \
+    }                                                                 \
+})
+
+void *
+rte_memcpy_sse(void *dst, const void *src, size_t n)
+{
+	if (!(((uintptr_t)dst | (uintptr_t)src) & 0x0F)) {
+		void *ret = dst;
+
+		/* Copy size <= 16 bytes */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dst = *(const uint8_t *)src;
+				src = (const uint8_t *)src + 1;
+				dst = (uint8_t *)dst + 1;
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dst = *(const uint16_t *)src;
+				src = (const uint16_t *)src + 1;
+				dst = (uint16_t *)dst + 1;
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dst = *(const uint32_t *)src;
+				src = (const uint32_t *)src + 1;
+				dst = (uint32_t *)dst + 1;
+			}
+			if (n & 0x08)
+				*(uint64_t *)dst = *(const uint64_t *)src;
+
+			return ret;
+		}
+
+		/* Copy 16 <= size <= 32 bytes */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+
+			return ret;
+		}
+
+		/* Copy 32 < size <= 64 bytes */
+		if (n <= 64) {
+			__m128i xmm0, xmm1, xmm2, xmm3;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			xmm2 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 32 + n));
+			xmm3 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 32 + n), xmm2);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm3);
+
+			return ret;
+		}
+
+		/* Copy 64 bytes blocks */
+		for (; n >= 64; n -= 64) {
+			__m128i xmm0, xmm1, xmm2, xmm3;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			xmm2 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 2*16));
+			xmm3 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 3*16));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 2*16), xmm2);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 3*16), xmm3);
+			dst = (uint8_t *)dst + 64;
+			src = (const uint8_t *)src + 64;
+		}
+
+		/* Copy whatever left */
+		__m128i xmm0, xmm1, xmm2, xmm3;
+		xmm0 = _mm_loadu_si128((const __m128i *)
+			((const uint8_t *)src - 64 + n));
+		xmm1 = _mm_loadu_si128((const __m128i *)
+			((const uint8_t *)src - 48 + n));
+		xmm2 = _mm_loadu_si128((const __m128i *)
+			((const uint8_t *)src - 32 + n));
+		xmm3 = _mm_loadu_si128((const __m128i *)
+			((const uint8_t *)src - 16 + n));
+		_mm_storeu_si128((__m128i *)((uint8_t *)dst - 64 + n), xmm0);
+		_mm_storeu_si128((__m128i *)((uint8_t *)dst - 48 + n), xmm1);
+		_mm_storeu_si128((__m128i *)((uint8_t *)dst - 32 + n), xmm2);
+		_mm_storeu_si128((__m128i *)((uint8_t *)dst - 16 + n), xmm3);
+
+		return ret;
+	} else {
+		__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8;
+		uintptr_t dstu = (uintptr_t)dst;
+		uintptr_t srcu = (uintptr_t)src;
+		void *ret = dst;
+		size_t dstofss;
+		size_t srcofs;
+
+		/**
+		 * Copy less than 16 bytes
+		 */
+		if (n < 16) {
+			if (n & 0x01) {
+				*(uint8_t *)dstu = *(const uint8_t *)srcu;
+				srcu = (uintptr_t)((const uint8_t *)srcu + 1);
+				dstu = (uintptr_t)((uint8_t *)dstu + 1);
+			}
+			if (n & 0x02) {
+				*(uint16_t *)dstu = *(const uint16_t *)srcu;
+				srcu = (uintptr_t)((const uint16_t *)srcu + 1);
+				dstu = (uintptr_t)((uint16_t *)dstu + 1);
+			}
+			if (n & 0x04) {
+				*(uint32_t *)dstu = *(const uint32_t *)srcu;
+				srcu = (uintptr_t)((const uint32_t *)srcu + 1);
+				dstu = (uintptr_t)((uint32_t *)dstu + 1);
+			}
+			if (n & 0x08)
+				*(uint64_t *)dstu = *(const uint64_t *)srcu;
+			return ret;
+		}
+
+		/**
+		 * Fast way when copy size doesn't exceed 512 bytes
+		 */
+		if (n <= 32) {
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm1);
+			return ret;
+		}
+		if (n <= 48) {
+			__m128i xmm0, xmm1, xmm2;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			xmm2 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm2);
+			return ret;
+		}
+		if (n <= 64) {
+			__m128i xmm0, xmm1, xmm2, xmm3;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			xmm2 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 32));
+			xmm3 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src - 16 + n));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 32), xmm2);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst - 16 + n), xmm3);
+			return ret;
+		}
+		if (n <= 128)
+			goto COPY_BLOCK_128_BACK15;
+		if (n <= 512) {
+			if (n >= 256) {
+				n -= 256;
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 16));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 2*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 3*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 2*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 3*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 4*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 5*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 4*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 5*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 6*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 7*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 6*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 7*16), xmm1);
+
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 2*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 3*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 2*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 3*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 4*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 5*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 4*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 5*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 6*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 128 + 7*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 6*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 128 + 7*16), xmm1);
+				src = (const uint8_t *)src + 256;
+				dst = (uint8_t *)dst + 256;
+			}
+COPY_BLOCK_255_BACK15:
+			if (n >= 128) {
+				n -= 128;
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 16));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 2*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 3*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 2*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 3*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 4*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 5*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 4*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 5*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 6*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 7*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 6*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 7*16), xmm1);
+				src = (const uint8_t *)src + 128;
+				dst = (uint8_t *)dst + 128;
+			}
+COPY_BLOCK_128_BACK15:
+			if (n >= 64) {
+				n -= 64;
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 16));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 16), xmm1);
+
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 2*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 3*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 2*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 3*16), xmm1);
+				src = (const uint8_t *)src + 64;
+				dst = (uint8_t *)dst + 64;
+			}
+COPY_BLOCK_64_BACK15:
+			if (n >= 32) {
+				n -= 32;
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 16));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 16), xmm1);
+				src = (const uint8_t *)src + 32;
+				dst = (uint8_t *)dst + 32;
+			}
+			if (n > 16) {
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src - 16 + n));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst - 16 + n), xmm1);
+				return ret;
+			}
+			if (n > 0) {
+				__m128i xmm0;
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src - 16 + n));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst - 16 + n), xmm0);
+			}
+			return ret;
+		}
+
+		/**
+		 * Make store aligned when copy size exceeds 512 bytes,
+		 * and make sure the first 15 bytes are copied, because
+		 * unaligned copy functions require up to 15 bytes
+		 * backwards access.
+		 */
+		dstofss = (uintptr_t)dst & 0x0F;
+		if (dstofss > 0) {
+			dstofss = 16 - dstofss + 16;
+			n -= dstofss;
+			__m128i xmm0, xmm1;
+			xmm0 = _mm_loadu_si128((const __m128i *)src);
+			xmm1 = _mm_loadu_si128((const __m128i *)
+				((const uint8_t *)src + 16));
+			_mm_storeu_si128((__m128i *)dst, xmm0);
+			_mm_storeu_si128((__m128i *)
+				((uint8_t *)dst + 16), xmm1);
+			src = (const uint8_t *)src + dstofss;
+			dst = (uint8_t *)dst + dstofss;
+		}
+		srcofs = ((uintptr_t)src & 0x0F);
+
+		/**
+		 * For aligned copy
+		 */
+		if (srcofs == 0) {
+			/**
+			 * Copy 256-byte blocks
+			 */
+			for (; n >= 256; n -= 256) {
+				__m128i xmm0, xmm1;
+				xmm0 = _mm_loadu_si128((const __m128i *)src);
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 16));
+				_mm_storeu_si128((__m128i *)dst, xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 2*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 3*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 2*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 3*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 4*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 5*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 4*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 5*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 6*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 7*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 6*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 7*16), xmm1);
+
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 8*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 9*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 8*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 9*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 10*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 11*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 10*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 11*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 12*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 13*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 12*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 13*16), xmm1);
+				xmm0 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 14*16));
+				xmm1 = _mm_loadu_si128((const __m128i *)
+					((const uint8_t *)src + 15*16));
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 14*16), xmm0);
+				_mm_storeu_si128((__m128i *)
+					((uint8_t *)dst + 15*16), xmm1);
+				dst = (uint8_t *)dst + 256;
+				src = (const uint8_t *)src + 256;
+			}
+
+			/**
+			 * Copy whatever left
+			 */
+			goto COPY_BLOCK_255_BACK15;
+		}
+
+		/**
+		 * For copy with unaligned load
+		 */
+		MOVEUNALIGNED_LEFT47(dst, src, n, srcofs);
+
+		/**
+		 * Copy whatever left
+		 */
+		goto COPY_BLOCK_64_BACK15;
+	}
+}
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d..88d3298 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -40,6 +40,7 @@ VPATH += $(RTE_SDK)/lib/librte_eal/common/arch/$(ARCH_DIR)
 LIBABIVER := 5
 
 VPATH += $(RTE_SDK)/lib/librte_eal/common
+VPATH += $(RTE_SDK)/lib/librte_eal/common/include/arch/$(ARCH_DIR)
 
 CFLAGS += -I$(SRCDIR)/include
 CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common
@@ -105,6 +106,22 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_service.c
 SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_cpuflags.c
 SRCS-$(CONFIG_RTE_ARCH_X86) += rte_spinlock.c
 
+# for run-time dispatch of memcpy
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy.c
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_sse.c
+
+# if the compiler supports AVX512, add avx512 file
+ifneq ($(filter $(MACHINE_CFLAGS),CC_SUPPORT_AVX512F),)
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_avx512f.c
+CFLAGS_rte_memcpy_avx512f.o += -mavx512f
+endif
+
+# if the compiler supports AVX2, add avx2 file
+ifneq ($(filter $(MACHINE_CFLAGS),CC_SUPPORT_AVX2),)
+SRCS-$(CONFIG_RTE_ARCH_X86) += rte_memcpy_avx2.c
+CFLAGS_rte_memcpy_avx2.o += -mavx2
+endif
+
 CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
 
 CFLAGS_eal.o := -D_GNU_SOURCE
diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk
index a813c91..8a7a1e7 100644
--- a/mk/rte.cpuflags.mk
+++ b/mk/rte.cpuflags.mk
@@ -134,6 +134,20 @@ endif
 
 MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
 
+# Check if the compiler suppoerts AVX512
+CC_SUPPORT_AVX512F := $(shell $(CC) -mavx512f -dM -E - < /dev/null 2>&1 | grep -q AVX512 && echo 1)
+ifeq ($(CC_SUPPORT_AVX512F),1)
+ifeq ($(CONFIG_RTE_ENABLE_AVX512),y)
+MACHINE_CFLAGS += -DCC_SUPPORT_AVX512F
+endif
+endif
+
+# Check if the compiler supports AVX2
+CC_SUPPORT_AVX2 := $(shell $(CC) -mavx2 -dM -E - < /dev/null 2>&1 | grep -q AVX2 && echo 1)
+ifeq ($(CC_SUPPORT_AVX2),1)
+MACHINE_CFLAGS += -DCC_SUPPORT_AVX2
+endif
+
 # To strip whitespace
 comma:= ,
 empty:=
