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Diffstat (limited to 'libdecnumber/dpd/decimal128Local.h')
-rw-r--r-- | libdecnumber/dpd/decimal128Local.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libdecnumber/dpd/decimal128Local.h b/libdecnumber/dpd/decimal128Local.h new file mode 100644 index 0000000000..1963678cdd --- /dev/null +++ b/libdecnumber/dpd/decimal128Local.h @@ -0,0 +1,42 @@ +/* Local definitions for use with the decNumber C Library. + Copyright (C) 2007, 2009 Free Software Foundation, Inc. + + This file is part of GCC. + + GCC is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 3, or (at your option) any later + version. + + GCC is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + +Under Section 7 of GPL version 3, you are granted additional +permissions described in the GCC Runtime Library Exception, version +3.1, as published by the Free Software Foundation. + +You should have received a copy of the GNU General Public License and +a copy of the GCC Runtime Library Exception along with this program; +see the files COPYING3 and COPYING.RUNTIME respectively. If not, see +<http://www.gnu.org/licenses/>. */ + +#if !defined(DECIMAL128LOCAL) + +/* The compiler needs sign manipulation functions for decimal128 which + are not part of the decNumber package. */ + +/* Set sign; this assumes the sign was previously zero. */ +#define decimal128SetSign(d,b) \ + { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); } + +/* Clear sign. */ +#define decimal128ClearSign(d) \ + { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] &= ~0x80; } + +/* Flip sign. */ +#define decimal128FlipSign(d) \ + { (d)->bytes[WORDS_BIGENDIAN ? 0 : 15] ^= 0x80; } + +#endif |