Mercurial > hg > CbC > CbC_gcc
comparison libdecnumber/dpd/decimal128Local.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 04ced10e8804 |
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1 /* Local definitions for use with the decNumber C Library. | |
2 Copyright (C) 2007, 2009 Free Software Foundation, Inc. | |
3 | |
4 This file is part of GCC. | |
5 | |
6 GCC is free software; you can redistribute it and/or modify it under | |
7 the terms of the GNU General Public License as published by the Free | |
8 Software Foundation; either version 3, or (at your option) any later | |
9 version. | |
10 | |
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 for more details. | |
15 | |
16 Under Section 7 of GPL version 3, you are granted additional | |
17 permissions described in the GCC Runtime Library Exception, version | |
18 3.1, as published by the Free Software Foundation. | |
19 | |
20 You should have received a copy of the GNU General Public License and | |
21 a copy of the GCC Runtime Library Exception along with this program; | |
22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 <http://www.gnu.org/licenses/>. */ | |
24 | |
25 #if !defined(DECIMAL128LOCAL) | |
26 | |
27 /* The compiler needs sign manipulation functions for decimal128 which | |
28 are not part of the decNumber package. */ | |
29 | |
30 /* Set sign; this assumes the sign was previously zero. */ | |
31 #define decimal128SetSign(d,b) \ | |
32 { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); } | |
33 | |
34 /* Clear sign. */ | |
35 #define decimal128ClearSign(d) \ | |
36 { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; } | |
37 | |
38 /* Flip sign. */ | |
39 #define decimal128FlipSign(d) \ | |
40 { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; } | |
41 | |
42 #endif |