xref: /OK3568_Linux_fs/kernel/arch/nds32/math-emu/fcmpd.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun // Copyright (C) 2005-2018 Andes Technology Corporation
3*4882a593Smuzhiyun #include <asm/sfp-machine.h>
4*4882a593Smuzhiyun #include <math-emu/soft-fp.h>
5*4882a593Smuzhiyun #include <math-emu/double.h>
fcmpd(void * ft,void * fa,void * fb,int cmpop)6*4882a593Smuzhiyun int fcmpd(void *ft, void *fa, void *fb, int cmpop)
7*4882a593Smuzhiyun {
8*4882a593Smuzhiyun 	FP_DECL_D(A);
9*4882a593Smuzhiyun 	FP_DECL_D(B);
10*4882a593Smuzhiyun 	FP_DECL_EX;
11*4882a593Smuzhiyun 	long cmp;
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun 	FP_UNPACK_DP(A, fa);
14*4882a593Smuzhiyun 	FP_UNPACK_DP(B, fb);
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	FP_CMP_D(cmp, A, B, SF_CUN);
17*4882a593Smuzhiyun 	cmp += 2;
18*4882a593Smuzhiyun 	if (cmp == SF_CGT)
19*4882a593Smuzhiyun 		*(long *)ft = 0;
20*4882a593Smuzhiyun 	else
21*4882a593Smuzhiyun 		*(long *)ft = (cmp & cmpop) ? 1 : 0;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	return 0;
24*4882a593Smuzhiyun }
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