blob: c7948f5f88b0e1ce4d72d469701e42aef6279e3f (
plain) (
blame)
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
|
/* Disable floating-point exceptions.
Copyright (C) 2012-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Nobuhiro Iwamatsu <iwamatsu@nigauri.org>, 2012.
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>
int
fedisableexcept (int excepts)
{
fpu_control_t temp, old_exc;
/* Get the current control register contents. */
_FPU_GETCW (temp);
old_exc = (temp >> 5) & FE_ALL_EXCEPT;
excepts &= FE_ALL_EXCEPT;
temp &= ~(excepts << 5);
_FPU_SETCW (temp);
return old_exc;
}
|
