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| 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 /gcc/fortran/expr.c | |
| parent | a86471635f38376128e6cea8d6856f025a57b4c2 (diff) | |
| download | gcc-8b198102220210ef6a61477d9a45564c206ee6b5.zip gcc-8b198102220210ef6a61477d9a45564c206ee6b5.tar.gz gcc-8b198102220210ef6a61477d9a45564c206ee6b5.tar.bz2 | |
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 'gcc/fortran/expr.c')
| -rw-r--r-- | gcc/fortran/expr.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c index feb089e..3e3a664 100644 --- a/gcc/fortran/expr.c +++ b/gcc/fortran/expr.c @@ -2460,9 +2460,23 @@ gfc_check_init_expr (gfc_expr *e) { gfc_intrinsic_sym* isym; - gfc_symbol* sym; + gfc_symbol* sym = e->symtree->n.sym; + + /* Special case for IEEE_SELECTED_REAL_KIND from the intrinsic + module IEEE_ARITHMETIC, which is allowed in initialization + expressions. */ + if (!strcmp(sym->name, "ieee_selected_real_kind") + && sym->from_intmod == INTMOD_IEEE_ARITHMETIC) + { + gfc_expr *new_expr = gfc_simplify_ieee_selected_real_kind (e); + if (new_expr) + { + gfc_replace_expr (e, new_expr); + t = true; + break; + } + } - sym = e->symtree->n.sym; if (!gfc_is_intrinsic (sym, 0, e->where) || (m = gfc_intrinsic_func_interface (e, 0)) != MATCH_YES) { |