1  /* Copyright (C) 2021-2023 Free Software Foundation, Inc.
       2  
       3  This file is free software; you can redistribute it and/or modify it
       4  under the terms of the GNU General Public License as published by the
       5  Free Software Foundation; either version 3, or (at your option) any
       6  later version.
       7  
       8  This file is distributed in the hope that it will be useful, but
       9  WITHOUT ANY WARRANTY; without even the implied warranty of
      10  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      11  General Public License for more details.
      12  
      13  Under Section 7 of GPL version 3, you are granted additional
      14  permissions described in the GCC Runtime Library Exception, version
      15  3.1, as published by the Free Software Foundation.
      16  
      17  You should have received a copy of the GNU General Public License and
      18  a copy of the GCC Runtime Library Exception along with this program;
      19  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  #include "lib2-gcn.h"
      23  
      24  UTItype
      25  __bswapti2 (UTItype x)
      26  {
      27    UDItype lo, hi, outlo, outhi;
      28    lo = (UDItype) x;
      29    hi = (UDItype) (x >> 64);
      30    outhi = (lo >> 56) & 0xff;
      31    outhi |= ((lo >> 48) & 0xff) << 8;
      32    outhi |= ((lo >> 40) & 0xff) << 16;
      33    outhi |= ((lo >> 32) & 0xff) << 24;
      34    outhi |= ((lo >> 24) & 0xff) << 32;
      35    outhi |= ((lo >> 16) & 0xff) << 40;
      36    outhi |= ((lo >> 8) & 0xff) << 48;
      37    outhi |= (lo & 0xff) << 56;
      38    outlo = (hi >> 56) & 0xff;
      39    outlo |= ((hi >> 48) & 0xff) << 8;
      40    outlo |= ((hi >> 40) & 0xff) << 16;
      41    outlo |= ((hi >> 32) & 0xff) << 24;
      42    outlo |= ((hi >> 24) & 0xff) << 32;
      43    outlo |= ((hi >> 16) & 0xff) << 40;
      44    outlo |= ((hi >> 8) & 0xff) << 48;
      45    outlo |= (hi & 0xff) << 56;
      46    return ((UTItype) outhi << 64) | outlo;
      47  }