代码

#pragma GCC diagnostic ignored "-Wreturn-type"
#pragma GCC diagnostic ignored "-Wattributes"
__attribute__((always_inline)) unsigned plus(register const unsigned a,register const unsigned b)
{
	__asm__ __volatile__(
		"add %1, %%eax\n"
		:
		:"r"(a),"r"(b)
	);
}

评测结果