blob: b4931d60980eef2bd1756a59b772876d60060e28 [file] [log] [blame]
Vincent Chen932296122019-05-20 09:21:13 +08001// SPDX-License-Identifier: GPL-2.0
2// Copyright (C) 2005-2019 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>
8
9void fs2si(void *ft, void *fa)
10{
11 int r;
12
13 FP_DECL_S(A);
14 FP_DECL_EX;
15
16 FP_UNPACK_SP(A, fa);
17
18 if (A_c == FP_CLS_INF) {
19 *(int *)ft = (A_s == 0) ? 0x7fffffff : 0x80000000;
20 __FPU_FPCSR |= FP_EX_INVALID;
21 } else if (A_c == FP_CLS_NAN) {
22 *(int *)ft = 0xffffffff;
23 __FPU_FPCSR |= FP_EX_INVALID;
24 } else {
25 FP_TO_INT_ROUND_S(r, A, 32, 1);
26 __FPU_FPCSR |= FP_CUR_EXCEPTIONS;
27 *(int *)ft = r;
28 }
29}