blob: b71c8bca1452d14bdae84dcc095388b85be03c45 (
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
|
/* Enable floating-point exceptions.
Copyright (C) 2013 Imagination Technologies Ltd.
This file is part of the GNU C Library.
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; see the file COPYING.LIB. If
not, see <http://www.gnu.org/licenses/>. */
#include <fenv.h>
#include <unistd.h>
#include "internal.h"
int
feenableexcept (int excepts)
{
unsigned int old_exc;
/* Get the current control word. */
__asm__ ("MOV %0,TXDEFR" : "=r" (old_exc));
old_exc &= FE_ALL_EXCEPT;
excepts |= old_exc;
metag_set_fpu_flags(excepts);
return old_exc;
}
|
