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34 #ifndef _RTE_MEMCPY_H_
35 #define _RTE_MEMCPY_H_
40 * Functions for vectorised implementation of memcpy().
44 * Copy 16 bytes from one location to another using optimised
45 * instructions. The locations should not overlap.
48 * Pointer to the destination of the data.
50 * Pointer to the source data.
53 rte_mov16(uint8_t *dst, const uint8_t *src);
56 * Copy 32 bytes from one location to another using optimised
57 * instructions. The locations should not overlap.
60 * Pointer to the destination of the data.
62 * Pointer to the source data.
65 rte_mov32(uint8_t *dst, const uint8_t *src);
68 * Copy 48 bytes from one location to another using optimised
69 * instructions. The locations should not overlap.
72 * Pointer to the destination of the data.
74 * Pointer to the source data.
77 rte_mov48(uint8_t *dst, const uint8_t *src);
80 * Copy 64 bytes from one location to another using optimised
81 * instructions. The locations should not overlap.
84 * Pointer to the destination of the data.
86 * Pointer to the source data.
89 rte_mov64(uint8_t *dst, const uint8_t *src);
92 * Copy 128 bytes from one location to another using optimised
93 * instructions. The locations should not overlap.
96 * Pointer to the destination of the data.
98 * Pointer to the source data.
101 rte_mov128(uint8_t *dst, const uint8_t *src);
104 * Copy 256 bytes from one location to another using optimised
105 * instructions. The locations should not overlap.
108 * Pointer to the destination of the data.
110 * Pointer to the source data.
113 rte_mov256(uint8_t *dst, const uint8_t *src);
118 * Copy bytes from one location to another. The locations must not overlap.
120 * @note This is implemented as a macro, so it's address should not be taken
121 * and care is needed as parameter expressions may be evaluated multiple times.
124 * Pointer to the destination of the data.
126 * Pointer to the source data.
128 * Number of bytes to copy.
130 * Pointer to the destination data.
133 rte_memcpy(void *dst, const void *src, size_t n);
135 #endif /* __DOXYGEN__ */
138 * memcpy() function used by rte_memcpy macro
141 rte_memcpy_func(void *dst, const void *src, size_t n) __attribute__((always_inline));
144 #endif /* _RTE_MEMCPY_H_ */