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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libdecnumber/] [bid/] [host-ieee128.c] - Rev 544
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/* This is a software decimal floating point library. Copyright (C) 2007, 2009 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 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 memcpy ((char *) out, (char *) &in, 16); #endif }
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