mirror of https://gitee.com/openkylin/qemu.git
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/* Local definitions for use with the decNumber C Library.
|
|
Copyright (C) 2007 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 2, or (at your option) any later
|
|
version.
|
|
|
|
In addition to the permissions in the GNU General Public License,
|
|
the Free Software Foundation gives you unlimited permission to link
|
|
the compiled version of this file into combinations with other
|
|
programs, and to distribute those combinations without any
|
|
restriction coming from the use of this file. (The General Public
|
|
License restrictions do apply in other respects; for example, they
|
|
cover modification of the file, and distribution when not linked
|
|
into a combine executable.)
|
|
|
|
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.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING. If not, write to the Free
|
|
Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301, USA. */
|
|
|
|
#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
|