diff options
Diffstat (limited to 'gcc-4.6/libgfortran/config/fpu-sysv.h')
-rw-r--r-- | gcc-4.6/libgfortran/config/fpu-sysv.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/gcc-4.6/libgfortran/config/fpu-sysv.h b/gcc-4.6/libgfortran/config/fpu-sysv.h new file mode 100644 index 000000000..85ca25285 --- /dev/null +++ b/gcc-4.6/libgfortran/config/fpu-sysv.h @@ -0,0 +1,82 @@ +/* SysV FPU-related code (for systems not otherwise supported). + Copyright 2005, 2007, 2009 Free Software Foundation, Inc. + Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr> + +This file is part of the GNU Fortran 95 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/>. */ + +/* FPU-related code for SysV platforms with fpsetmask(). */ + +void +set_fpu (void) +{ + int cw = 0; + + if (options.fpe & GFC_FPE_INVALID) +#ifdef FP_X_INV + cw |= FP_X_INV; +#else + st_printf ("Fortran runtime warning: IEEE 'invalid operation' " + "exception not supported.\n"); +#endif + + if (options.fpe & GFC_FPE_DENORMAL) +#ifdef FP_X_DNML + cw |= FP_X_DNML; +#else + st_printf ("Fortran runtime warning: IEEE 'denormal number' " + "exception not supported.\n"); +#endif + + if (options.fpe & GFC_FPE_ZERO) +#ifdef FP_X_DZ + cw |= FP_X_DZ; +#else + st_printf ("Fortran runtime warning: IEEE 'division by zero' " + "exception not supported.\n"); +#endif + + if (options.fpe & GFC_FPE_OVERFLOW) +#ifdef FP_X_OFL + cw |= FP_X_OFL; +#else + st_printf ("Fortran runtime warning: IEEE 'overflow' " + "exception not supported.\n"); +#endif + + if (options.fpe & GFC_FPE_UNDERFLOW) +#ifdef FP_X_UFL + cw |= FP_X_UFL; +#else + st_printf ("Fortran runtime warning: IEEE 'underflow' " + "exception not supported.\n"); +#endif + + if (options.fpe & GFC_FPE_PRECISION) +#ifdef FP_X_IMP + cw |= FP_X_IMP; +#else + st_printf ("Fortran runtime warning: IEEE 'loss of precision' " + "exception not supported.\n"); +#endif + + fpsetmask(cw); +} |