1// SPDX-License-Identifier: GPL-2.0
2// Copyright (C) 2005-2018 Andes Technology Corporation
3#include <linux/uaccess.h>
4
5#include <asm/sfp-machine.h>
6#include <math-emu/soft-fp.h>
7#include <math-emu/single.h>
8void fsubs(void *ft, void *fa, void *fb)
9{
10
11	FP_DECL_S(A);
12	FP_DECL_S(B);
13	FP_DECL_S(R);
14	FP_DECL_EX;
15
16	FP_UNPACK_SP(A, fa);
17	FP_UNPACK_SP(B, fb);
18
19	if (B_c != FP_CLS_NAN)
20		B_s ^= 1;
21
22	FP_ADD_S(R, A, B);
23
24	FP_PACK_SP(ft, R);
25
26	__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
27}
28