/* Math functions for i387.
   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by John C. Bowman <bowman@ipp-garching.mpg.de>, 1995.

   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, write to the Free
   Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include <math.h>

double ldexp (double value, int exp)
{
    register double result;
#ifdef __GNUC__
#if defined(__clang__)
    asm ("fild %[exp]\n"
         "fscale\n"
         "fstp %%st(1)\n"
         : [result] "=t" (result)
         : [value] "0" (value), [exp] "m" (exp));
#else
    asm ("fscale"
        : "=t" (result)
         : "0" (value), "u" ((double)exp)
         : "1");
#endif
#else /* !__GNUC__ */
  register double __dy = (double)exp;
  __asm
  {
    fld __dy
    fld value
    fscale
    fstp result
  }
#endif /* !__GNUC__ */
  return result;
}