1/* Temporary library support for decimal floating point. 2 Copyright (C) 2005-2015 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it 7 under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 14 License for more details. 15 16Under Section 7 of GPL version 3, you are granted additional 17permissions described in the GCC Runtime Library Exception, version 183.1, as published by the Free Software Foundation. 19 20You should have received a copy of the GNU General Public License and 21a copy of the GCC Runtime Library Exception along with this program; 22see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23<http://www.gnu.org/licenses/>. */ 24 25#include <fenv.h> 26#include "dconfig.h" 27#include "decContext.h" 28#include "decExcept.h" 29 30/* Internal, non-documented functions for testing libgcc functions. 31 This support is not sufficient for real use. */ 32 33static int __dfp_except_flags = 0; 34 35/* Clear the dummy exception flags. */ 36void 37__dfp_clear_except (void) 38{ 39 __dfp_except_flags = 0; 40} 41 42/* Return the dummy exception flags corresponding to the mask. */ 43int 44__dfp_test_except (int mask) 45{ 46 return __dfp_except_flags & mask; 47} 48 49/* Set dummy exception flags. */ 50void 51__dfp_raise_except (int flags) 52{ 53 __dfp_except_flags |= flags; 54} 55