// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/libgcc.h>

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

word_type __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;
}