1  /* This is a software decimal floating point library.
       2     Copyright (C) 2007-2023 Free Software Foundation, Inc.
       3  
       4  This file is part of GCC.
       5  
       6  GCC is free software; you can redistribute it and/or modify it under
       7  the terms of the GNU General Public License as published by the Free
       8  Software Foundation; either version 3, or (at your option) any later
       9  version.
      10  
      11  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12  WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14  for more details.
      15  
      16  Under Section 7 of GPL version 3, you are granted additional
      17  permissions described in the GCC Runtime Library Exception, version
      18  3.1, as published by the Free Software Foundation.
      19  
      20  You should have received a copy of the GNU General Public License and
      21  a copy of the GCC Runtime Library Exception along with this program;
      22  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23  <http://www.gnu.org/licenses/>.  */
      24  
      25  /* This implements IEEE 754R decimal floating point arithmetic, but
      26     does not provide a mechanism for setting the rounding mode, or for
      27     generating or handling exceptions.  Conversions between decimal
      28     floating point types and other types depend on C library functions.
      29  
      30     Contributed by Ben Elliston  <bje@au.ibm.com>.  */
      31  
      32  /* The intended way to use this file is to make two copies, add `#define '
      33     to one copy, then compile both copies and add them to libgcc.a.  */
      34  
      35  #include <string.h>
      36  #include "bid-dpd.h"
      37  #include "decimal32.h"
      38  
      39  void __host_to_ieee_32 (_Decimal32 in, decimal32 *out);
      40  void __ieee_to_host_32 (decimal32 in, _Decimal32 *out);
      41  
      42  void
      43  __host_to_ieee_32 (_Decimal32 in, decimal32 *out)
      44  {
      45    memcpy ((char *) out, (char *) &in, 4);
      46  }
      47  
      48  void
      49  __ieee_to_host_32 (decimal32 in, _Decimal32 *out)
      50  {
      51    memcpy ((char *) out, (char *) &in, 4);
      52  }