82a4f54cc5
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (GFC_FPE_DOWNWARD, GFC_FPE_TONEAREST,
GFC_FPE_TOWARDZERO, GFC_FPE_UPWARD): New defines.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* libgfortran.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New prototypes.
* config/fpu-387.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): New functions.
* config/fpu-aix.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-generic.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-glibc.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* config/fpu-sysv.h (set_fpu_rounding_mode,
get_fpu_rounding_mode): Ditto.
* configure.ac: Check for fp_rnd and fp_rnd_t.
* io/io.h (enum unit_round): Use GFC_FPE_* for the value.
* io/read.c (convert_real): Set FP ronding mode.
* Makefile.in: Regenerate.
* aclocal.m4: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
2013-07-21 Tobias Burnus <burnus@net-b.de>
PR fortran/35862
* gfortran.dg/round_4.f90: New.
Co-Authored-By: Uros Bizjak <ubizjak@gmail.com>
From-SVN: r201093
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
/* Fallback FPU-related code (for systems not otherwise supported).
|
|
Copyright (C) 2005-2013 Free Software Foundation, Inc.
|
|
Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
|
|
|
|
This file is part of the GNU Fortran runtime library (libgfortran).
|
|
|
|
Libgfortran 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 of the License, or (at your option) any later version.
|
|
|
|
Libgfortran 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/>. */
|
|
|
|
|
|
/* Fallback FPU-related code for systems not otherwise supported. This
|
|
is mainly telling the user that we will not be able to do what he
|
|
requested. */
|
|
|
|
void
|
|
set_fpu (void)
|
|
{
|
|
if (options.fpe & GFC_FPE_INVALID)
|
|
estr_write ("Fortran runtime warning: IEEE 'invalid operation' "
|
|
"exception not supported.\n");
|
|
if (options.fpe & GFC_FPE_DENORMAL)
|
|
estr_write ("Fortran runtime warning: Floating point 'denormal operand' "
|
|
"exception not supported.\n");
|
|
if (options.fpe & GFC_FPE_ZERO)
|
|
estr_write ("Fortran runtime warning: IEEE 'division by zero' "
|
|
"exception not supported.\n");
|
|
if (options.fpe & GFC_FPE_OVERFLOW)
|
|
estr_write ("Fortran runtime warning: IEEE 'overflow' "
|
|
"exception not supported.\n");
|
|
if (options.fpe & GFC_FPE_UNDERFLOW)
|
|
estr_write ("Fortran runtime warning: IEEE 'underflow' "
|
|
"exception not supported.\n");
|
|
if (options.fpe & GFC_FPE_INEXACT)
|
|
estr_write ("Fortran runtime warning: IEEE 'inexact' "
|
|
"exception not supported.\n");
|
|
}
|
|
|
|
int
|
|
get_fpu_except_flags (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
get_fpu_rounding_mode (void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
void
|
|
set_fpu_rounding_mode (int round __attribute__((unused)))
|
|
{
|
|
}
|