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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [libdecnumber/] [dpd/] [decimal128Local.h] - Rev 853

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/* Local definitions for use with the decNumber C Library.
   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
 
   This file is part of GCC.
 
   GCC is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 3, or (at your option) any later
   version.
 
   GCC 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 General Public License
   for more details.
 
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
 
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */
 
#if !defined(DECIMAL128LOCAL)
 
/* The compiler needs sign manipulation functions for decimal128 which
   are not part of the decNumber package.  */
 
/* Set sign; this assumes the sign was previously zero.  */
#define decimal128SetSign(d,b) \
  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
 
/* Clear sign.  */
#define decimal128ClearSign(d) \
  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; }
 
/* Flip sign.  */
#define decimal128FlipSign(d) \
  { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; }
 
#endif
 

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