101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
/* Copyright (C) 2007-2019 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "bid_internal.h"
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#include "bid_gcc_intrinsics.h"
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#if DECIMAL_GLOBAL_ROUNDING
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BID_THREAD _IDEC_round _IDEC_glbround = ROUNDING_TO_NEAREST;
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#if DECIMAL_GLOBAL_ROUNDING_ACCESS_FUNCTIONS
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void
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__dfp_set_round (int mode) {
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_IDEC_glbround = mode;
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}
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int
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__dfp_get_round (void) {
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return _IDEC_glbround;
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}
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#endif
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#endif
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#if DECIMAL_GLOBAL_EXCEPTION_FLAGS
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BID_THREAD _IDEC_flags _IDEC_glbflags = EXACT_STATUS;
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#if DECIMAL_GLOBAL_EXCEPTION_FLAGS_ACCESS_FUNCTIONS
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#include <fenv.h>
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void
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__dfp_clear_except (void) {
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_IDEC_glbflags &= ~FLAG_MASK;
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}
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int
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__dfp_test_except (int mask) {
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int flags = 0;
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if ((_IDEC_glbflags & INEXACT_EXCEPTION) != 0)
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flags |= mask & FE_INEXACT;
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if ((_IDEC_glbflags & UNDERFLOW_EXCEPTION) != 0)
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flags |= mask & FE_UNDERFLOW;
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if ((_IDEC_glbflags & OVERFLOW_EXCEPTION) != 0)
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flags |= mask & FE_OVERFLOW;
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if ((_IDEC_glbflags & ZERO_DIVIDE_EXCEPTION) != 0)
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flags |= mask & FE_DIVBYZERO;
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if ((_IDEC_glbflags & INVALID_EXCEPTION) != 0)
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flags |= mask & FE_INVALID;
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return flags;
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}
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void
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__dfp_raise_except (int mask) {
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_IDEC_flags flags = 0;
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if ((mask & FE_INEXACT) != 0)
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flags |= INEXACT_EXCEPTION;
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if ((mask & FE_UNDERFLOW) != 0)
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flags |= UNDERFLOW_EXCEPTION;
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if ((mask & FE_OVERFLOW) != 0)
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flags |= OVERFLOW_EXCEPTION;
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if ((mask & FE_DIVBYZERO) != 0)
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flags |= ZERO_DIVIDE_EXCEPTION;
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if ((mask & FE_INVALID) != 0)
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flags |= INVALID_EXCEPTION;
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_IDEC_glbflags |= flags;
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}
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#endif
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#endif
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#if DECIMAL_ALTERNATE_EXCEPTION_HANDLING
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#if DECIMAL_GLOBAL_EXCEPTION_MASKS
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BID_THREAD _IDEC_exceptionmasks _IDEC_glbexceptionmasks =
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_IDEC_allexcmasksset;
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#endif
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#if DECIMAL_GLOBAL_EXCEPTION_INFO
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BID_THREAD _IDEC_excepthandling _IDEC_glbexcepthandling;
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#endif
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#endif
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