[thirdparty/glibc.git] / sysdeps / aarch64 / fpu / fclrexcpt.c

/* Copyright (C) 1997-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   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>
#include <fpu_control.h>

int
feclearexcept (int excepts)
{
  fpu_fpsr_t fpsr;
  fpu_fpsr_t fpsr_new;

  excepts &= FE_ALL_EXCEPT;

  _FPU_GETFPSR (fpsr);
  fpsr_new = fpsr & ~excepts;

  if (fpsr != fpsr_new)
    _FPU_SETFPSR (fpsr_new);

  return 0;
}
libm_hidden_def (feclearexcept)
Commit	Line	Data
688903eb	1	/* Copyright (C) 1997-2018 Free Software Foundation, Inc.
554066b8 MS	2
	3	This file is part of the GNU C Library.
	4
	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 License as
	7	published by the Free Software Foundation; either version 2.1 of the
	8	License, or (at your option) any later version.
	9
	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.
	14
	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/>. */
	18
	19	#include <fenv.h>
	20	#include <fpu_control.h>
	21
	22	int
	23	feclearexcept (int excepts)
	24	{
	25	fpu_fpsr_t fpsr;
e5e0d9a4	26	fpu_fpsr_t fpsr_new;
554066b8 MS	27
	28	excepts &= FE_ALL_EXCEPT;
	29
	30	_FPU_GETFPSR (fpsr);
ea9a7c8b	31	fpsr_new = fpsr & ~excepts;
554066b8	32
e5e0d9a4 IB	33	if (fpsr != fpsr_new)
e5e0d9a4 IB	34	_FPU_SETFPSR (fpsr_new);
554066b8 MS	35
	36	return 0;
	37	}
	38	libm_hidden_def (feclearexcept)