diff options
| author | Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2014-06-28 14:17:41 +0000 |
|---|---|---|
| committer | François-Xavier Coudert <fxcoudert@gcc.gnu.org> | 2014-06-28 14:17:41 +0000 |
| commit | 8b198102220210ef6a61477d9a45564c206ee6b5 (patch) | |
| tree | e7bff5fef45c93b6d9ac36021ec9edaa569bf861 /libgfortran/configure.host | |
| parent | a86471635f38376128e6cea8d6856f025a57b4c2 (diff) | |
| download | gcc-8b198102220210ef6a61477d9a45564c206ee6b5.tar.gz | |
re PR fortran/29383 (Fortran 2003/F95[TR15580:1999]: Floating point exception (IEEE) support)
PR fortran/29383
gcc/fortran/
* gfortran.h (gfc_simplify_ieee_selected_real_kind): New prototype.
* libgfortran.h (GFC_FPE_*): Use simple integer values, valid in
both C and Fortran.
* expr.c (gfc_check_init_expr): Simplify IEEE_SELECTED_REAL_KIND.
* simplify.c (gfc_simplify_ieee_selected_real_kind): New function.
* module.c (mio_symbol): Keep track of symbols which came from
intrinsic modules.
(gfc_use_module): Keep track of the IEEE modules.
* trans-decl.c (gfc_get_symbol_decl): Adjust code since
we have new intrinsic modules.
(gfc_build_builtin_function_decls): Build decls for
ieee_procedure_entry and ieee_procedure_exit.
(is_from_ieee_module, is_ieee_module_used, save_fp_state,
restore_fp_state): New functions.
(gfc_generate_function_code): Save and restore floating-point
state on procedure entry/exit, when IEEE modules are used.
* intrinsic.texi: Document the IEEE modules.
libgfortran/
* configure.host: Add checks for IEEE support, rework priorities.
* configure.ac: Define IEEE_SUPPORT, check for fpsetsticky and
fpresetsticky.
* configure: Regenerate.
* Makefile.am: Build new ieee files, install IEEE_* modules.
* Makefile.in: Regenerate.
* gfortran.map (GFORTRAN_1.6): Add new symbols.
* libgfortran.h (get_fpu_trap_exceptions, set_fpu_trap_exceptions,
support_fpu_trap, set_fpu_except_flags, support_fpu_flag,
support_fpu_rounding_mode, get_fpu_state, set_fpu_state): New
prototypes.
* config/fpu-*.h (get_fpu_trap_exceptions,
set_fpu_trap_exceptions, support_fpu_trap, set_fpu_except_flags,
support_fpu_flag, support_fpu_rounding_mode, get_fpu_state,
set_fpu_state): New functions.
* ieee/ieee_features.F90: New file.
* ieee/ieee_exceptions.F90: New file.
* ieee/ieee_arithmetic.F90: New file.
* ieee/ieee_helper.c: New file.
gcc/testsuite/
* lib/target-supports.exp (check_effective_target_fortran_ieee):
New function.
* gfortran.dg/ieee/ieee.exp: New file.
* gfortran.dg/ieee/ieee_1.F90: New file.
* gfortran.dg/ieee/ieee_2.f90: New file.
* gfortran.dg/ieee/ieee_3.f90: New file.
* gfortran.dg/ieee/ieee_4.f90: New file.
* gfortran.dg/ieee/ieee_5.f90: New file.
* gfortran.dg/ieee/ieee_6.f90: New file.
* gfortran.dg/ieee/ieee_7.f90: New file.
* gfortran.dg/ieee/ieee_rounding_1.f90: New file.
From-SVN: r212102
Diffstat (limited to 'libgfortran/configure.host')
| -rw-r--r-- | libgfortran/configure.host | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/libgfortran/configure.host b/libgfortran/configure.host index 92b6433b968..72da478ac5e 100644 --- a/libgfortran/configure.host +++ b/libgfortran/configure.host @@ -19,26 +19,32 @@ # DEFAULTS fpu_host='fpu-generic' +ieee_support='no' + +if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then + fpu_host='fpu-aix' + ieee_support='yes' +fi + +if test "x${have_fpsetmask}" = "xyes"; then + fpu_host='fpu-sysv' + ieee_support='yes' +fi if test "x${have_feenableexcept}" = "xyes"; then fpu_host='fpu-glibc' + ieee_support='yes' fi # x86 asm should be used instead of glibc, since glibc doesn't support # the x86 denormal exception. case "${host_cpu}" in i?86 | x86_64) - fpu_host='fpu-387' ;; + fpu_host='fpu-387' + ieee_support='yes' + ;; esac -if test "x${have_fpsetmask}" = "xyes"; then - fpu_host='fpu-sysv' -fi - -if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then - fpu_host='fpu-aix' -fi - # Some targets require additional compiler options for NaN/Inf. ieee_flags= case "${host_cpu}" in |