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1 | /* Local definitions for use with the decNumber C Library. |
2 | Copyright (C) 2007 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 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | In addition to the permissions in the GNU General Public License, | |
12 | the Free Software Foundation gives you unlimited permission to link | |
13 | the compiled version of this file into combinations with other | |
14 | programs, and to distribute those combinations without any | |
15 | restriction coming from the use of this file. (The General Public | |
16 | License restrictions do apply in other respects; for example, they | |
17 | cover modification of the file, and distribution when not linked | |
18 | into a combine executable.) | |
19 | ||
20 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
21 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
22 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
23 | for more details. | |
24 | ||
25 | You should have received a copy of the GNU General Public License | |
26 | along with GCC; see the file COPYING. If not, write to the Free | |
27 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA | |
28 | 02110-1301, USA. */ | |
29 | ||
30 | #if !defined(DECIMAL128LOCAL) | |
31 | ||
32 | /* The compiler needs sign manipulation functions for decimal128 which | |
33 | are not part of the decNumber package. */ | |
34 | ||
35 | /* Set sign; this assumes the sign was previously zero. */ | |
36 | #define decimal128SetSign(d,b) \ | |
5f5dfcbe | 37 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); } |
f5bc1778 DJ |
38 | |
39 | /* Clear sign. */ | |
40 | #define decimal128ClearSign(d) \ | |
5f5dfcbe | 41 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; } |
f5bc1778 DJ |
42 | |
43 | /* Flip sign. */ | |
44 | #define decimal128FlipSign(d) \ | |
5f5dfcbe | 45 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; } |
f5bc1778 DJ |
46 | |
47 | #endif |