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27 lines
474 B
C
27 lines
474 B
C
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#include <linux/module.h>
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union ull_union {
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unsigned long long ull;
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struct {
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unsigned int high;
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unsigned int low;
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} ui;
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};
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int __ucmpdi2(unsigned long long a, unsigned long long b)
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{
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union ull_union au = {.ull = a};
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union ull_union bu = {.ull = b};
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if (au.ui.high < bu.ui.high)
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return 0;
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else if (au.ui.high > bu.ui.high)
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return 2;
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if (au.ui.low < bu.ui.low)
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return 0;
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else if (au.ui.low > bu.ui.low)
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return 2;
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return 1;
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}
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EXPORT_SYMBOL(__ucmpdi2);
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