1/*
2 * Copyright (C) 2012-2015 Free Software Foundation, Inc.
3 *
4 * This file is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation; either version 3, or (at your option) any
7 * later version.
8 *
9 * This file is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * General Public License for more details.
13 *
14 * Under Section 7 of GPL version 3, you are granted additional
15 * permissions described in the GCC Runtime Library Exception, version
16 * 3.1, as published by the Free Software Foundation.
17 *
18 * You should have received a copy of the GNU General Public License and
19 * a copy of the GCC Runtime Library Exception along with this program;
20 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
21 * <http://www.gnu.org/licenses/>.
22 */
23
24#include "sfp-machine.h"
25
26void
27__sfp_handle_exceptions (int _fex)
28{
29  double d;
30
31  if (_fex & FP_EX_INVALID)
32    {
33      asm volatile ("frcpa.s0 %0, p1 = f0, f0" : "=f" (d) : : "p1");
34    }
35  if (_fex & FP_EX_DIVZERO)
36    {
37      asm volatile ("frcpa.s0 %0, p1 = f1, f0" : "=f" (d) : : "p1");
38    }
39  if (_fex & FP_EX_OVERFLOW)
40    {
41      d = __DBL_MAX__;
42      asm volatile ("fadd.d.s0 %0 = %0, %0" : "+f" (d));
43    }
44  if (_fex & FP_EX_UNDERFLOW)
45    {
46      d = __DBL_MIN__;
47      asm volatile ("fnma.d.s0 %0 = %0, %0, f0" : "+f" (d));
48    }
49  if (_fex & FP_EX_INEXACT)
50    {
51      d = __DBL_MAX__;
52      asm volatile ("fsub.d.s0 %0 = %0, f1" : "+f" (d));
53    }
54}
55