1 /*
2 * Copyright (C) 2016-2017 Andes Technology, Inc.
3 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
4 */
5
6 /* Install given floating-point environment and raise exceptions.
7 Copyright (C) 1997-2013 Free Software Foundation, Inc.
8 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
9
10 The GNU C Library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 2.1 of the License, or (at your option) any later version.
14
15 The GNU C Library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
19
20 You should have received a copy of the GNU Lesser General Public
21 License along with the GNU C Library. If not, see
22 <http://www.gnu.org/licenses/>. */
23
24 #include <fenv.h>
25 #include <fpu_control.h>
26
27 int
feupdateenv(const fenv_t * envp)28 feupdateenv (const fenv_t *envp)
29 {
30 #ifdef __NDS32_ABI_2FP_PLUS__
31 unsigned int temp;
32
33 /* Get the current exception state. */
34 _FPU_GETCW (temp);
35
36 /* Install new environment. */
37 fesetenv (envp);
38
39 /* Raise the saved exceptions. */
40 feraiseexcept (temp & FE_ALL_EXCEPT);
41
42 /* Success. */
43 return 0;
44 #else
45 /* Unsupported, so fail. */
46 return 1;
47 #endif
48 }
49