47 lines
1.9 KiB
C
47 lines
1.9 KiB
C
/* Local definitions for use with the decNumber C Library.
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Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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In addition to the permissions in the GNU General Public License,
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the Free Software Foundation gives you unlimited permission to link
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the compiled version of this file into combinations with other
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programs, and to distribute those combinations without any
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restriction coming from the use of this file. (The General Public
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License restrictions do apply in other respects; for example, they
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cover modification of the file, and distribution when not linked
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into a combine executable.)
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#if !defined(DECIMAL128LOCAL)
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/* The compiler needs sign manipulation functions for decimal128 which
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are not part of the decNumber package. */
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/* Set sign; this assumes the sign was previously zero. */
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#define decimal128SetSign(d,b) \
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{ (d)->bytes[FLOAT_WORDS_BIG_ENDIAN ? 0 : 15] |= ((unsigned) (b) << 7); }
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/* Clear sign. */
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#define decimal128ClearSign(d) \
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{ (d)->bytes[FLOAT_WORDS_BIG_ENDIAN ? 0 : 15] &= ~0x80; }
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/* Flip sign. */
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#define decimal128FlipSign(d) \
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{ (d)->bytes[FLOAT_WORDS_BIG_ENDIAN ? 0 : 15] ^= 0x80; }
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#endif
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