[thirdparty/glibc.git] / ports / sysdeps / aarch64 / fpu / get-rounding-mode.h

/* Determine floating-point rounding mode within libc.  AArch64 version.

   Copyright (C) 2012-2014 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/>.  */

#ifndef _AARCH64_GET_ROUNDING_MODE_H
#define _AARCH64_GET_ROUNDING_MODE_H	1

#include <fenv.h>
#include <fpu_control.h>

/* Return the floating-point rounding mode.  */

static inline int
get_rounding_mode (void)
{
  fpu_control_t fpcr;

  _FPU_GETCW (fpcr);
  return fpcr & FE_TOWARDZERO;
}

#endif /* get-rounding-mode.h */
Commit	Line	Data
554066b8 MS	1	/* Determine floating-point rounding mode within libc. AArch64 version.
554066b8 MS	2
d4697bc9	3	Copyright (C) 2012-2014 Free Software Foundation, Inc.
554066b8 MS	4
	5	This file is part of the GNU C Library.
	6
	7	The GNU C Library is free software; you can redistribute it and/or
	8	modify it under the terms of the GNU Lesser General Public
	9	License as published by the Free Software Foundation; either
	10	version 2.1 of the License, or (at your option) any later version.
	11
	12	The GNU C Library is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	Lesser General Public License for more details.
	16
	17	You should have received a copy of the GNU Lesser General Public
	18	License along with the GNU C Library; if not, see
	19	<http://www.gnu.org/licenses/>. */
	20
	21	#ifndef _AARCH64_GET_ROUNDING_MODE_H
	22	#define _AARCH64_GET_ROUNDING_MODE_H 1
	23
	24	#include <fenv.h>
	25	#include <fpu_control.h>
	26
	27	/* Return the floating-point rounding mode. */
	28
	29	static inline int
	30	get_rounding_mode (void)
	31	{
	32	fpu_control_t fpcr;
	33
	34	_FPU_GETCW (fpcr);
	35	return fpcr & FE_TOWARDZERO;
	36	}
	37
	38	#endif /* get-rounding-mode.h */