第三篇 ARM C 高效编程 - 除法以及求余

int combined_div_mod(int a, int b)
{
	return (a / b) + (a % b);
}

uint32_t counter1(uint32_t count)
{
	return (++count % 60);
}

uint32_t counter2(uint32_t count)
{
	if (++count >= 60)
		count = 0;
	return (count);
}

uint32_t div16u(uint32_t a)
{
  return a / 16;
}

int div16s(int a)
{
  return a / 16;
}

uint32_t div_xx_u(uint32_t a, uint32_t b)
{
  return a / b;
}

uint32_t div17u(uint32_t a)
{
  return a / 17;
}