blob: 8e206ab8ce11a8c52b3c7ff93dbe269a24a1a8f1 (
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
|
/* Install given floating-point environment.
Copyright (C) 1997-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jes Sorensen <Jes.Sorensen@cern.ch>, 2000
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>
int
__fesetenv (const fenv_t *envp)
{
fenv_t env;
/*
This stinks!
Magic encoding of default values: bit 62+63 set (which will never
happen for a user-space address) means it's not indirect.
*/
if (((fenv_t) envp >> 62) == 0x03)
env = (fenv_t) envp & 0x3fffffffffffffff;
else
env = *envp;
__asm__ __volatile__ ("mov.m ar.fpsr=%0;;" :: "r" (env));
return 0;
}
libm_hidden_def (__fesetenv)
weak_alias (__fesetenv, fesetenv)
libm_hidden_weak (fesetenv)
|
