1 /* Software floating-point emulation. 2 Convert a 128bit unsigned integer to _Decimal32. 3 4 Copyright (C) 2023 Free Software Foundation, Inc. 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it under 9 the terms of the GNU General Public License as published by the Free 10 Software Foundation; either version 3, or (at your option) any later 11 version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 16 for more details. 17 18 Under Section 7 of GPL version 3, you are granted additional 19 permissions described in the GCC Runtime Library Exception, version 20 3.1, as published by the Free Software Foundation. 21 22 You should have received a copy of the GNU General Public License and 23 a copy of the GCC Runtime Library Exception along with this program; 24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 25 <http://www.gnu.org/licenses/>. */ 26 27 #include "soft-fp.h" 28 #include "bitint.h" 29 30 #if defined(__BITINT_MAXWIDTH__) && defined(__SIZEOF_INT128__) 31 extern _Decimal32 __bid_floatbitintsd (const UBILtype *, SItype); 32 extern _Decimal32 __bid_floatunstisd (UTItype); 33 34 _Decimal32 35 __bid_floatunstisd (UTItype i) 36 { 37 UBILtype ib[128 / BIL_TYPE_SIZE]; 38 #if BIL_TYPE_SIZE == 128 39 ib[0] = i; 40 #elif BIL_TYPE_SIZE == 64 41 ib[BITINT_END (0, 1)] = i >> 64; 42 ib[BITINT_END (1, 0)] = i; 43 #elif BIL_TYPE_SIZE == 32 44 ib[BITINT_END (0, 3)] = i >> 96; 45 ib[BITINT_END (1, 2)] = i >> 64; 46 ib[BITINT_END (2, 1)] = i >> 32; 47 ib[BITINT_END (3, 0)] = i; 48 #else 49 #error Unsupported UBILtype 50 #endif 51 return __bid_floatbitintsd (ib, 128); 52 } 53 #endif 54
Indexes created Sun Mar 01 05:31:48 UTC 2026