long setb_cond(int cr, int shift)
{
	long ret;
	if ((cr << shift) & 0x80000000)
		ret = -1;
	else if ((cr << shift) & 0x40000000)
		ret = 1;
	else
		ret = 0;
	return ret;
}

long setb_uncond(int cr, int shift)
{
	int tmp = cr << shift;
	long ret;
	ret = (tmp >> 31) | ((tmp >> 30) & 1);
	return ret;
}

long setb_uncond2(int cr, int shift)
{
	int tmp = cr << shift;
	long ret;
	ret = (tmp >> 31);
	ret |= ((tmp >> 30) & 1);
	return ret;
}