blob: 4ea3679f5599e22eb64bf4ee5952447ad5878c88 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/*
* Copyright (C) 2016-2017 Andes Technology, Inc.
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
/* Store current floating-point environment and clear exceptions.
Copyright (C) 1997-2013 Free Software Foundation, Inc.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <fpu_control.h>
#include "fenv_libc.h"
int
feholdexcept (fenv_t *envp)
{
#ifdef __NDS32_ABI_2FP_PLUS__
unsigned long int temp;
/* Store the environment. */
_FPU_GETCW(temp);
envp->__fpcsr = temp;
/* Now set all exceptions to non-stop. */
temp &= ~(FE_ALL_EXCEPT << ENABLE_SHIFT);
/* And clear all exception flags. */
temp &= ~FE_ALL_EXCEPT;
_FPU_SETCW(temp);
return 0;
#else
/* Unsupported, so fail. */
return 1;
#endif
}
|
