Subversion Repositories openrisc_me

/* 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