gcc/libdecnumber/bid/host-ieee128.c

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/* This is a software decimal floating point library.
Copyright (C) 2007-2015 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/>. */
#include <string.h>
#include "dconfig.h"
#include "bid-dpd.h"
#include "decimal128.h"
void __host_to_ieee_128 (_Decimal128 in, decimal128 *out);
void __ieee_to_host_128 (decimal128 in, _Decimal128 *out);
/* The code for converting 128-bit values between DPD and BID presumes
that the 64-bit halves of the 128-bit value are in little-endian
order, so they need swapping on big-endian hosts. */
void
__host_to_ieee_128 (_Decimal128 in, decimal128 *out)
{
#if WORDS_BIGENDIAN
memcpy ((char *) out, (char *) &in + 8, 8);
memcpy ((char *) out + 8, (char *) &in, 8);
#else
Makefile.in (libdecnumber_a_OBJS): Remove decUtility.o 2007-09-10 Janis Johnson <janis187@us.ibm.com> Ben Elliston <bje@au.ibm.com> libdecnumber/ * Makefile.in (libdecnumber_a_OBJS): Remove decUtility.o (dependencies): Add Symbols headers. * decContext.c: Upgrade to decNumber 3.53. * decContext.h: Ditto. * decDPD.h: Ditto. * decNumber.c: Ditto. * decNumber.h: Ditto. * decNumberLocal.h: Ditto. * decBasic.c: New file from decNumber 3.53. * decCommon.c: Ditto. * decDouble.c: Ditto. * decDouble.h: Ditto. * decQuad.c: Ditto. * decQuad.h: Ditto. * decSingle.c: Ditto. * decSingle.h: Ditto. * decPacked.c: Ditto. * decPacked.h: Ditto. * dpd/decimal128.c: Upgrade to decNumber 3.53. * dpd/decimal128.h: Ditto. * dpd/decimal32.c: Ditto. * dpd/decimal32.h: Ditto. * dpd/decimal64.c: Ditto. * dpd/decimal64.h: Ditto. * decLibrary.c (__dec_byte_swap): Remove. * decContextSymbols.h: New file. * decDoubleSymbols.h: New file. * decNumberSymbols.h: New file. * decPackedSymbols.h: New file. * decQuadSymbols.h: New file. * decSingleSymbols.h: New file. * decUtility.c: Delete file. * decUtility.h: Delete file. * bid/decimal128Symbols.h: New file. * bid/decimal128Local.h: New file. * bid/decimal32Symbols.h: New file. * bid/decimal64Symbols.h: New file. * bid/host-ieee128.c (__swap128): Remove. (__host_to_ieee_128, __ieee_to_host_128): Don't handle endianness. * bid/host-ieee32.c (__dec_type_swap): Remove. (__host_to_ieee_32, __ieee_to_host_32): Don't handle endianness. * bid/host-ieee64.c (__swap64): Remove. (__host_to_ieee_64, __ieee_to_host_64): Don't handle endianness. * dpd/decimal32Symbols.h: New file. * dpd/decimal64Symbols.h: New file. * dpd/decimal128Symbols.h: New file. * dpd/decimal128Local.h: New file. libgcc/ * Makefile.in (dfp-filenames): Remove decUtility, add decDouble, decPacked, decQuad, decSingle. gcc/ * dfp.c: Include decimal128Local.h; (dfp_byte_swap): Remove. (encode_decimal32, decode_decimal32): Don't handle endianness. (encode_decimal64, decode_decimal64): Ditto. (encode_decimal128, decode_decimal128): Ditto. * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto. (__swap64): Remove. (host_to_ieee_64, ieee_to_host_64): Don't handle endianness. (__swap128): Remove (host_to_ieee_128, ieee_to_host_128): Don't handle endianness. * Makefile.in (DECNUM_H): Add decimal128Local.h. Co-Authored-By: Ben Elliston <bje@au.ibm.com> From-SVN: r128350
2007-09-10 22:44:08 +02:00
memcpy ((char *) out, (char *) &in, 16);
#endif
}
void
__ieee_to_host_128 (decimal128 in, _Decimal128 *out)
{
#if WORDS_BIGENDIAN
memcpy ((char *) out, (char *) &in + 8, 8);
memcpy ((char *) out + 8, (char *) &in, 8);
#else
Makefile.in (libdecnumber_a_OBJS): Remove decUtility.o 2007-09-10 Janis Johnson <janis187@us.ibm.com> Ben Elliston <bje@au.ibm.com> libdecnumber/ * Makefile.in (libdecnumber_a_OBJS): Remove decUtility.o (dependencies): Add Symbols headers. * decContext.c: Upgrade to decNumber 3.53. * decContext.h: Ditto. * decDPD.h: Ditto. * decNumber.c: Ditto. * decNumber.h: Ditto. * decNumberLocal.h: Ditto. * decBasic.c: New file from decNumber 3.53. * decCommon.c: Ditto. * decDouble.c: Ditto. * decDouble.h: Ditto. * decQuad.c: Ditto. * decQuad.h: Ditto. * decSingle.c: Ditto. * decSingle.h: Ditto. * decPacked.c: Ditto. * decPacked.h: Ditto. * dpd/decimal128.c: Upgrade to decNumber 3.53. * dpd/decimal128.h: Ditto. * dpd/decimal32.c: Ditto. * dpd/decimal32.h: Ditto. * dpd/decimal64.c: Ditto. * dpd/decimal64.h: Ditto. * decLibrary.c (__dec_byte_swap): Remove. * decContextSymbols.h: New file. * decDoubleSymbols.h: New file. * decNumberSymbols.h: New file. * decPackedSymbols.h: New file. * decQuadSymbols.h: New file. * decSingleSymbols.h: New file. * decUtility.c: Delete file. * decUtility.h: Delete file. * bid/decimal128Symbols.h: New file. * bid/decimal128Local.h: New file. * bid/decimal32Symbols.h: New file. * bid/decimal64Symbols.h: New file. * bid/host-ieee128.c (__swap128): Remove. (__host_to_ieee_128, __ieee_to_host_128): Don't handle endianness. * bid/host-ieee32.c (__dec_type_swap): Remove. (__host_to_ieee_32, __ieee_to_host_32): Don't handle endianness. * bid/host-ieee64.c (__swap64): Remove. (__host_to_ieee_64, __ieee_to_host_64): Don't handle endianness. * dpd/decimal32Symbols.h: New file. * dpd/decimal64Symbols.h: New file. * dpd/decimal128Symbols.h: New file. * dpd/decimal128Local.h: New file. libgcc/ * Makefile.in (dfp-filenames): Remove decUtility, add decDouble, decPacked, decQuad, decSingle. gcc/ * dfp.c: Include decimal128Local.h; (dfp_byte_swap): Remove. (encode_decimal32, decode_decimal32): Don't handle endianness. (encode_decimal64, decode_decimal64): Ditto. (encode_decimal128, decode_decimal128): Ditto. * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto. (__swap64): Remove. (host_to_ieee_64, ieee_to_host_64): Don't handle endianness. (__swap128): Remove (host_to_ieee_128, ieee_to_host_128): Don't handle endianness. * Makefile.in (DECNUM_H): Add decimal128Local.h. Co-Authored-By: Ben Elliston <bje@au.ibm.com> From-SVN: r128350
2007-09-10 22:44:08 +02:00
memcpy ((char *) out, (char *) &in, 16);
#endif
}