/* roundeven() - S390 version.

   Copyright (C) 2019 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

   <https://www.gnu.org/licenses/>.  */

#ifdef HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT

# include <math.h>

# include <libm-alias-double.h>

double

__roundeven (double x)

{

  double y;

  /* The z196 zarch "load fp integer" (fidbra) instruction is rounding

     x to the nearest integer with "ties to even" rounding mode

     (M3-field: 4) where inexact exceptions are suppressed (M4-field: 4).  */

  __asm__ ("fidbra %0,4,%1,4" : "=f" (y) : "f" (x));

  return y;

}

hidden_def (__roundeven)

libm_alias_double (__roundeven, roundeven)

#else

# include <sysdeps/ieee754/dbl-64/s_roundeven.c>

#endif