bc6d4c3f08
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
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/* Temporary library support for decimal floating point.
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Copyright (C) 2005, 2006 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
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License 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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#include <fenv.h>
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#include "dconfig.h"
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#include "decContext.h"
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#include "decExcept.h"
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/* Internal, non-documented functions for testing libgcc functions.
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This support is not sufficient for real use. */
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static int __dfp_except_flags = 0;
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/* Clear the dummy exception flags. */
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void
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__dfp_clear_except (void)
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{
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__dfp_except_flags = 0;
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}
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/* Return the dummy exception flags corresponding to the mask. */
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int
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__dfp_test_except (int mask)
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{
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return __dfp_except_flags & mask;
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}
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/* Set dummy exception flags. */
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void
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__dfp_raise_except (int flags)
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{
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__dfp_except_flags |= flags;
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}
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