| 1 | /* Local definitions for use with the decNumber C Library. |
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| 2 | Copyright (C) 2007-2024 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it under |
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| 7 | the terms of the GNU General Public License as published by the Free |
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| 8 | Software Foundation; either version 3, or (at your option) any later |
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| 9 | version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | for more details. |
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| 15 | |
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| 16 | Under Section 7 of GPL version 3, you are granted additional |
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| 17 | permissions described in the GCC Runtime Library Exception, version |
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| 18 | 3.1, as published by the Free Software Foundation. |
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| 19 | |
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| 20 | You should have received a copy of the GNU General Public License and |
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| 21 | a copy of the GCC Runtime Library Exception along with this program; |
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| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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| 23 | <http://www.gnu.org/licenses/>. */ |
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| 24 | |
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| 25 | #if !defined(DECIMAL128LOCAL) |
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| 26 | |
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| 27 | /* The compiler needs sign manipulation functions for decimal128 which |
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| 28 | are not part of the decNumber package. */ |
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| 29 | |
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| 30 | /* Set sign; this assumes the sign was previously zero. */ |
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| 31 | #define decimal128SetSign(d,b) \ |
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| 32 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); } |
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| 33 | |
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| 34 | /* Clear sign. */ |
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| 35 | #define decimal128ClearSign(d) \ |
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| 36 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; } |
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| 37 | |
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| 38 | /* Flip sign. */ |
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| 39 | #define decimal128FlipSign(d) \ |
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| 40 | { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; } |
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| 41 | |
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| 42 | #endif |
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| 43 | |
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