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Rev 1157 Rev 1163
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static void *memmove(void *dst,const void *src,size_t length)
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static void *memmove(void *dst,const void *src,size_t length)
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{
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{
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	void *value;
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	void *value;
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	if (length & 3)
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	{//length not aligned in 4 bytes use reb movsb
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	__asm__ __volatile__(
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		__asm__ __volatile__(
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	"movl %%edi,%%eax\n\t"
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		"movl %%edi,%%eax\n\t"
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	"cld\n\t"
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		"cld\n\t"
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	"rep\n\t"
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		"rep\n\t"
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	"movsb"
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		"movsb"
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	:"=D"(value)
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		:"=D"(value)
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		:"c"(length),"S"(src),"D"(dst)
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		:"eax");
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	}
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	else
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	{//length aligned in 4 bytes use rep movsd
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		length=length >> 2;//length=length/4
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		__asm__ __volatile__(
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		"movl %%edi,%%eax\n\t"
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		"cld\n\t"
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		"rep\n\t"
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		"movsd"
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		:"=D"(value)
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		:"c"(length),"S"(src),"D"(dst)
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	:"c"(length),"S"(src),"D"(dst)
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		:"eax");
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	:"eax");
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	}
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	return(value);
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	return(value);