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Rev 8793 Rev 9765
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/* memcpy( void *, const void *, size_t )
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   This file is part of the Public Domain C Library (PDCLib).
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   Permission is granted to use, modify, and / or redistribute at will.
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*/
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#include
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#include
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void * memcpy( void * s1, const void * s2, size_t n )
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{
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    char * dest = ( char * ) s1;
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    const char * src = ( const char * ) s2;
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    while ( n-- )
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void* memcpy(void* _dest, const void* _src, size_t _n)
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{
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    int d0, d1, d2;
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    __asm__ __volatile__(
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    {
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        "rep ; movsl\n\t"
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        "testb $2,%b4\n\t"
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        "je 1f\n\t"
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        "movsw\n"
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        "1:\ttestb $1,%b4\n\t"
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        "je 2f\n\t"
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        *dest++ = *src++;
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        "movsb\n"
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    }
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        "2:"
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        : "=&c"(d0), "=&D"(d1), "=&S"(d2)
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        : "0"(_n / 4), "q"(_n), "1"((long)_dest), "2"((long)_src)
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        : "memory");
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    return s1;
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    return (_dest);
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}
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}