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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _RTE_MEMCPY_H_
#define _RTE_MEMCPY_H_
/**
* @file
*
* Functions for vectorised implementation of memcpy().
*/
/**
* Copy 16 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov16(uint8_t *dst, const uint8_t *src);
/**
* Copy 32 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov32(uint8_t *dst, const uint8_t *src);
#ifdef __DOXYGEN__
/**
* Copy 48 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov48(uint8_t *dst, const uint8_t *src);
#endif /* __DOXYGEN__ */
/**
* Copy 64 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov64(uint8_t *dst, const uint8_t *src);
/**
* Copy 128 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov128(uint8_t *dst, const uint8_t *src);
/**
* Copy 256 bytes from one location to another using optimised
* instructions. The locations should not overlap.
*
* @param dst
* Pointer to the destination of the data.
* @param src
* Pointer to the source data.
*/
static inline void
rte_mov256(uint8_t *dst, const uint8_t *src);
#ifdef __DOXYGEN__
/**
* 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 void *
rte_memcpy(void *dst, const void *src, size_t n);
#endif /* __DOXYGEN__ */
#endif /* _RTE_MEMCPY_H_ */
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