1 /* Store current floating-point environment and clear exceptions.
2 Copyright (C) 1997, 1998, 1999, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library. If not, see
17 <http://www.gnu.org/licenses/>. */
20 #include <fpu_control.h>
24 #include <dl-procinfo.h>
28 feholdexcept (fenv_t
*envp
)
30 if (GLRO (dl_hwcap
) & HWCAP_ARM_VFP
)
32 unsigned long int temp
;
34 /* Store the environment. */
38 /* Now set all exceptions to non-stop. */
39 temp
&= ~(FE_ALL_EXCEPT
<< FE_EXCEPT_SHIFT
);
41 /* And clear all exception flags. */
42 temp
&= ~FE_ALL_EXCEPT
;
49 /* Unsupported, so fail. */
53 libm_hidden_def (feholdexcept
)