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