xref: /OK3568_Linux_fs/kernel/lib/ucmpdi2.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  */
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/module.h>
6*4882a593Smuzhiyun #include <linux/libgcc.h>
7*4882a593Smuzhiyun 
__ucmpdi2(unsigned long long a,unsigned long long b)8*4882a593Smuzhiyun word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b)
9*4882a593Smuzhiyun {
10*4882a593Smuzhiyun 	const DWunion au = {.ll = a};
11*4882a593Smuzhiyun 	const DWunion bu = {.ll = b};
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun 	if ((unsigned int) au.s.high < (unsigned int) bu.s.high)
14*4882a593Smuzhiyun 		return 0;
15*4882a593Smuzhiyun 	else if ((unsigned int) au.s.high > (unsigned int) bu.s.high)
16*4882a593Smuzhiyun 		return 2;
17*4882a593Smuzhiyun 	if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
18*4882a593Smuzhiyun 		return 0;
19*4882a593Smuzhiyun 	else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
20*4882a593Smuzhiyun 		return 2;
21*4882a593Smuzhiyun 	return 1;
22*4882a593Smuzhiyun }
23*4882a593Smuzhiyun EXPORT_SYMBOL(__ucmpdi2);
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