xref: /dflybsd-src/contrib/gcc-8.0/libdecnumber/dpd/decimal128Local.h (revision 38fd149817dfbff97799f62fcb70be98c4e32523)
1*38fd1498Szrj /* Local definitions for use with the decNumber C Library.
2*38fd1498Szrj    Copyright (C) 2007-2018 Free Software Foundation, Inc.
3*38fd1498Szrj 
4*38fd1498Szrj    This file is part of GCC.
5*38fd1498Szrj 
6*38fd1498Szrj    GCC is free software; you can redistribute it and/or modify it under
7*38fd1498Szrj    the terms of the GNU General Public License as published by the Free
8*38fd1498Szrj    Software Foundation; either version 3, or (at your option) any later
9*38fd1498Szrj    version.
10*38fd1498Szrj 
11*38fd1498Szrj    GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12*38fd1498Szrj    WARRANTY; without even the implied warranty of MERCHANTABILITY or
13*38fd1498Szrj    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14*38fd1498Szrj    for more details.
15*38fd1498Szrj 
16*38fd1498Szrj Under Section 7 of GPL version 3, you are granted additional
17*38fd1498Szrj permissions described in the GCC Runtime Library Exception, version
18*38fd1498Szrj 3.1, as published by the Free Software Foundation.
19*38fd1498Szrj 
20*38fd1498Szrj You should have received a copy of the GNU General Public License and
21*38fd1498Szrj a copy of the GCC Runtime Library Exception along with this program;
22*38fd1498Szrj see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
23*38fd1498Szrj <http://www.gnu.org/licenses/>.  */
24*38fd1498Szrj 
25*38fd1498Szrj #if !defined(DECIMAL128LOCAL)
26*38fd1498Szrj 
27*38fd1498Szrj /* The compiler needs sign manipulation functions for decimal128 which
28*38fd1498Szrj    are not part of the decNumber package.  */
29*38fd1498Szrj 
30*38fd1498Szrj /* Set sign; this assumes the sign was previously zero.  */
31*38fd1498Szrj #define decimal128SetSign(d,b) \
32*38fd1498Szrj   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
33*38fd1498Szrj 
34*38fd1498Szrj /* Clear sign.  */
35*38fd1498Szrj #define decimal128ClearSign(d) \
36*38fd1498Szrj   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; }
37*38fd1498Szrj 
38*38fd1498Szrj /* Flip sign.  */
39*38fd1498Szrj #define decimal128FlipSign(d) \
40*38fd1498Szrj   { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; }
41*38fd1498Szrj 
42*38fd1498Szrj #endif
43