xref: /dflybsd-src/contrib/gcc-4.7/libdecnumber/dpd/decimal128Local.h (revision 04febcfb30580676d3e95f58a16c5137ee478b32)
1*e4b17023SJohn Marino /* Local definitions for use with the decNumber C Library.
2*e4b17023SJohn Marino    Copyright (C) 2007, 2009 Free Software Foundation, Inc.
3*e4b17023SJohn Marino 
4*e4b17023SJohn Marino    This file is part of GCC.
5*e4b17023SJohn Marino 
6*e4b17023SJohn Marino    GCC is free software; you can redistribute it and/or modify it under
7*e4b17023SJohn Marino    the terms of the GNU General Public License as published by the Free
8*e4b17023SJohn Marino    Software Foundation; either version 3, or (at your option) any later
9*e4b17023SJohn Marino    version.
10*e4b17023SJohn Marino 
11*e4b17023SJohn Marino    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12*e4b17023SJohn Marino    WARRANTY; without even the implied warranty of MERCHANTABILITY or
13*e4b17023SJohn Marino    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14*e4b17023SJohn Marino    for more details.
15*e4b17023SJohn Marino 
16*e4b17023SJohn Marino Under Section 7 of GPL version 3, you are granted additional
17*e4b17023SJohn Marino permissions described in the GCC Runtime Library Exception, version
18*e4b17023SJohn Marino 3.1, as published by the Free Software Foundation.
19*e4b17023SJohn Marino 
20*e4b17023SJohn Marino You should have received a copy of the GNU General Public License and
21*e4b17023SJohn Marino a copy of the GCC Runtime Library Exception along with this program;
22*e4b17023SJohn Marino see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*e4b17023SJohn Marino <http://www.gnu.org/licenses/>.  */
24*e4b17023SJohn Marino 
25*e4b17023SJohn Marino #if !defined(DECIMAL128LOCAL)
26*e4b17023SJohn Marino 
27*e4b17023SJohn Marino /* The compiler needs sign manipulation functions for decimal128 which
28*e4b17023SJohn Marino    are not part of the decNumber package.  */
29*e4b17023SJohn Marino 
30*e4b17023SJohn Marino /* Set sign; this assumes the sign was previously zero.  */
31*e4b17023SJohn Marino #define decimal128SetSign(d,b) \
32*e4b17023SJohn Marino   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
33*e4b17023SJohn Marino 
34*e4b17023SJohn Marino /* Clear sign.  */
35*e4b17023SJohn Marino #define decimal128ClearSign(d) \
36*e4b17023SJohn Marino   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; }
37*e4b17023SJohn Marino 
38*e4b17023SJohn Marino /* Flip sign.  */
39*e4b17023SJohn Marino #define decimal128FlipSign(d) \
40*e4b17023SJohn Marino   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; }
41*e4b17023SJohn Marino 
42*e4b17023SJohn Marino #endif
43