2007-01-30 00:01:35 +01:00
|
|
|
/* Temporary library support for decimal floating point.
|
|
|
|
|
Copyright (C) 2005, 2006 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. */
|
|
|
|
|
|
|
|
|
|
#include <fenv.h>
|
dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
gcc:
* dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
(encode_decimal64, decode_decimal64, encode_decimal128,
decode_decimal128): Reverse order of 32-bit parts of value if host
and target endianness differ.
libdecnumber:
* dconfig.h: New.
* decContext.c, decExcept.c, decExcept.h, decLibrary.c,
decNumber.c, decNumberLocal.h, decRound.c, dpd/decimal128.c,
dpd/decimal32.c, dpd/decimal64.c: Include dconfig.h not config.h.
* dpd/decimal128Local.h (decimal128SetSign, decimal128ClearSign,
decimal128FlipSign): Use WORDS_BIGENDIAN not
FLOAT_WORDS_BIG_ENDIAN.
* bid/host-ieee128.c: Include dconfig.h.
(__host_to_ieee_128, __ieee_to_host_128): Swap 64-bit halves of
value if WORDS_BIGENDIAN.
libgcc:
* Makefile.in (DECNUMINC): Remove
-I$(MULTIBUILDTOP)../../libdecnumber.
* gstdint.h: New.
From-SVN: r136641
2008-06-11 01:43:09 +02:00
|
|
|
#include "dconfig.h"
|
2007-01-30 00:01:35 +01:00
|
|
|
#include "decContext.h"
|
|
|
|
|
#include "decExcept.h"
|
|
|
|
|
|
|
|
|
|
/* Internal, non-documented functions for testing libgcc functions.
|
|
|
|
|
This support is not sufficient for real use. */
|
|
|
|
|
|
|
|
|
|
static int __dfp_except_flags = 0;
|
|
|
|
|
|
|
|
|
|
/* Clear the dummy exception flags. */
|
|
|
|
|
void
|
|
|
|
|
__dfp_clear_except (void)
|
|
|
|
|
{
|
|
|
|
|
__dfp_except_flags = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return the dummy exception flags corresponding to the mask. */
|
|
|
|
|
int
|
|
|
|
|
__dfp_test_except (int mask)
|
|
|
|
|
{
|
|
|
|
|
return __dfp_except_flags & mask;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set dummy exception flags. */
|
|
|
|
|
void
|
|
|
|
|
__dfp_raise_except (int flags)
|
|
|
|
|
{
|
|
|
|
|
__dfp_except_flags |= flags;
|
|
|
|
|
}
|
