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Add faster, architecture dependent memcpy()
[coreboot.git]
/
src
/
arch
/
x86
/
lib
/
memcpy.c
1
#include <string.h>
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void *memcpy(void *__restrict __dest,
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__const void *__restrict __src, size_t __n)
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{
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asm("cld\n"
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"rep\n"
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"movsb"
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: /* no input (?) */
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:"S"(__src), "D"(__dest), "c"(__n)
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);
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return __dest;
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}