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26 lines
484 B
26 lines
484 B
// SPDX-License-Identifier: GPL-2.0 |
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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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