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 16Under Section 7 of GPL version 3, you are granted additional 17permissions described in the GCC Runtime Library Exception, version 183.1, as published by the Free Software Foundation. 19 20You should have received a copy of the GNU General Public License and 21a copy of the GCC Runtime Library Exception along with this program; 22see 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 43