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f10eff58 1/* Get floating-point exceptions.
04277e02 2 Copyright (C) 2001-2019 Free Software Foundation, Inc.
f10eff58
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3 This file is part of the GNU C Library.
4 Contributed by Philip Blundell <philb@gnu.org>, 2001
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
22423683 16 You should have received a copy of the GNU Lesser General Public
ab84e3ff 17 License along with the GNU C Library. If not, see
5a82c748 18 <https://www.gnu.org/licenses/>. */
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19
20#include <fenv.h>
21#include <fpu_control.h>
a4ca5195 22#include <arm-features.h>
f10eff58 23
f10eff58
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24
25int
26fegetexcept (void)
27{
1a2f40e5 28 fpu_control_t fpscr;
f10eff58 29
1a2f40e5
W
30 /* Return with all exceptions disabled if a VFP unit isn't present. */
31 if (!ARM_HAVE_VFP)
32 return 0;
f10eff58 33
1a2f40e5 34 _FPU_GETCW (fpscr);
f10eff58 35
1a2f40e5 36 return (fpscr >> FE_EXCEPT_SHIFT) & FE_ALL_EXCEPT;
f10eff58 37}