]> Git Repo - linux.git/blob - arch/microblaze/lib/ucmpdi2.c
userfaultfd: disable irqs when taking the waitqueue lock
[linux.git] / arch / microblaze / lib / ucmpdi2.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/export.h>
3
4 #include "libgcc.h"
5
6 word_type __ucmpdi2(unsigned long long a, unsigned long long b)
7 {
8         const DWunion au = {.ll = a};
9         const DWunion bu = {.ll = b};
10
11         if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
12                 return 0;
13         else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
14                 return 2;
15         if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
16                 return 0;
17         else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
18                 return 2;
19         return 1;
20 }
21 EXPORT_SYMBOL(__ucmpdi2);
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