blob: 61ddd9708465dcb8f1418e7ff634445d9c7cdfdd [file] [log] [blame]
David Brazdil0f672f62019-12-10 10:32:29 +00001// 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}