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[glibc.git] / ports / sysdeps / mips / fpu / fedisblxcpt.c
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1 /* Disable floating-point exceptions.
2 Copyright (C) 2000-2014 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Andreas Jaeger <aj@suse.de>, 2000.
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.
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.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library. If not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <fenv.h>
21 #include <fenv_libc.h>
22 #include <fpu_control.h>
24 int
25 fedisableexcept (int excepts)
27 unsigned int new_exc, old_exc;
29 /* Get the current control word. */
30 _FPU_GETCW (new_exc);
32 old_exc = (new_exc & ENABLE_MASK) >> ENABLE_SHIFT;
34 excepts &= FE_ALL_EXCEPT;
36 new_exc &= ~(excepts << ENABLE_SHIFT);
37 _FPU_SETCW (new_exc);
39 return old_exc;