Subversion Repositories openrisc_2011-10-31

/* 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