Blame sysdeps/arm/fesetexcept.c

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/* Set given exception flags.  ARM version.
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   Copyright (C) 2016-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <fenv.h>
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#include <fpu_control.h>
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#include <arm-features.h>
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int
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fesetexcept (int excepts)
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{
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  fpu_control_t fpscr, new_fpscr;
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  /* Fail if a VFP unit isn't present unless nothing needs to be done.  */
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  if (!ARM_HAVE_VFP)
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    return (excepts != 0);
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  _FPU_GETCW (fpscr);
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  new_fpscr = fpscr | (excepts & FE_ALL_EXCEPT);
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  if (new_fpscr != fpscr)
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    _FPU_SETCW (new_fpscr);
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  return 0;
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}