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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [libgcc/] [config/] [libbid/] [bid_decimal_globals.c] - Rev 272
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/* 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 "bid_internal.h" #include "bid_gcc_intrinsics.h" #if DECIMAL_GLOBAL_ROUNDING BID_THREAD _IDEC_round _IDEC_glbround = ROUNDING_TO_NEAREST; #if DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS void __dfp_set_round (int mode) { _IDEC_glbround = mode; } int __dfp_get_round (void) { return _IDEC_glbround; } #endif #endif #if DECIMAL_GLOBAL_EXCEPTION_FLAGS BID_THREAD _IDEC_flags _IDEC_glbflags = EXACT_STATUS; #if DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS #include <fenv.h> void __dfp_clear_except (void) { _IDEC_glbflags &= ~FLAG_MASK; } int __dfp_test_except (int mask) { int flags = 0; if ((_IDEC_glbflags & INEXACT_EXCEPTION) != 0) flags |= mask & FE_INEXACT; if ((_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0) flags |= mask & FE_UNDERFLOW; if ((_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0) flags |= mask & FE_OVERFLOW; if ((_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0) flags |= mask & FE_DIVBYZERO; if ((_IDEC_glbflags & INVALID_EXCEPTION) != 0) flags |= mask & FE_INVALID; return flags; } void __dfp_raise_except (int mask) { _IDEC_flags flags = 0; if ((mask & FE_INEXACT) != 0) flags |= INEXACT_EXCEPTION; if ((mask & FE_UNDERFLOW) != 0) flags |= UNDERFLOW_EXCEPTION; if ((mask & FE_OVERFLOW) != 0) flags |= OVERFLOW_EXCEPTION; if ((mask & FE_DIVBYZERO) != 0) flags |= ZERO_DIVIDE_EXCEPTION; if ((mask & FE_INVALID) != 0) flags |= INVALID_EXCEPTION; _IDEC_glbflags |= flags; } #endif #endif #if DECIMAL_ALTERNATE_EXCEPTION_HANDLING #if DECIMAL_GLOBAL_EXCEPTION_MASKS BID_THREAD _IDEC_exceptionmasks _IDEC_glbexceptionmasks = _IDEC_allexcmasksset; #endif #if DECIMAL_GLOBAL_EXCEPTION_INFO BID_THREAD _IDEC_excepthandling _IDEC_glbexcepthandling; #endif #endif