aboutsummaryrefslogtreecommitdiff
path: root/arch/parisc/lib/ucmpdi2.c
blob: 149c016f32c5cbb287f23761ecfaaa5f0fdf349b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
#include <linux/module.h>

union ull_union {
	unsigned long long ull;
	struct {
		unsigned int high;
		unsigned int low;
	} ui;
};

int __ucmpdi2(unsigned long long a, unsigned long long b)
{
	union ull_union au = {.ull = a};
	union ull_union bu = {.ull = b};

	if (au.ui.high < bu.ui.high)
		return 0;
	else if (au.ui.high > bu.ui.high)
		return 2;
	if (au.ui.low < bu.ui.low)
		return 0;
	else if (au.ui.low > bu.ui.low)
		return 2;
	return 1;
}