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