Function memcpy

payloads/libpayload/arch/x86/string.c:80–105

}

void *memcpy(void *dest, const void *src, size_t n)
{
	unsigned long d0, d1, d2;

#if CONFIG(LP_ARCH_X86_64)
	asm volatile(
		"rep ; movsq\n\t"
		"mov %4,%%rcx\n\t"
		"rep ; movsb\n\t"
		: "=&c" (d0), "=&D" (d1), "=&S" (d2)
		: "0" (n >> 3), "g" (n & 7), "1" (dest), "2" (src)
		: "memory"
	);
#else
	asm volatile(
		"rep ; movsl\n\t"
		"movl %4,%%ecx\n\t"
		"rep ; movsb\n\t"
		: "=&c" (d0), "=&D" (d1), "=&S" (d2)
		: "0" (n >> 2), "g" (n & 3), "1" (dest), "2" (src)
		: "memory"
	);
#endif

	return dest;
}

void *memmove(void *dest, const void *src, size_t n)
{