| /* Copyright (C) 2007-2017 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 |