tmp_kernel_5.15/lib/cmpdi2.c
2023-06-26 10:03:39 +08:00

31 lines
501 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
*/
#include <linux/export.h>
#include <linux/libgcc.h>
word_type notrace __cmpdi2(long long a, long long b)
{
const DWunion au = {
.ll = a
};
const DWunion bu = {
.ll = b
};
if (au.s.high < bu.s.high)
return 0;
else if (au.s.high > bu.s.high)
return 2;
if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
return 0;
else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
return 2;
return 1;
}
EXPORT_SYMBOL(__cmpdi2);