blob: f5deb60ade2f7eebe90351ec16f380a1f1877d90 (
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
|
/* Install given floating-point environment and raise exceptions.
Copyright (C) 1997-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <arm-features.h>
int
feupdateenv (const fenv_t *envp)
{
if (ARM_HAVE_VFP)
{
unsigned int temp;
/* Get the current exception state. */
_FPU_GETCW (temp);
/* Install new environment. */
fesetenv (envp);
/* Raise the saved exceptions. */
feraiseexcept (temp & FE_ALL_EXCEPT);
/* Success. */
return 0;
}
/* Unsupported, so fail. */
return 1;
}
libm_hidden_def (feupdateenv)
|
