gcc/fortran/ChangeLog

   1 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
   2
   3         * trans-types.c (gfc_sym_type, gfc_return_by_reference): For
   4         sym->attr.result check sym->ns->proc_name->attr.is_bind_c.
   5
   6 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
   7
   8         PR rtl-optimization/323
   9         * options.c (gfc_post_options): Set
  10         flag_excess_precision_cmdline.  Give an error for
  11         -fexcess-precision=standard for processors where the option is
  12         significant.
  13
  14 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
  15
  16         PR preprocessor/34695
  17         * cpp.c (cb_cpp_error): New.
  18         (gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
  19         Don't check cpp_errors (cpp_in).
  20         (gfc_cpp_init_0): Set cb->error.
  21
  22 2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>
  23
  24         PR fortran/38823
  25         * gfortran.h: Add ARITH_PROHIBIT to arith enum.
  26         expr.c (gfc_match_init_expr): Add global variable init_flag to
  27         flag matching an initialization expression.
  28         (check_intrinsic_op): Move no longer reachable error message to ...
  29         * arith.c (arith_power): ... here.  Remove gfc_ prefix in
  30         gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
  31         when y is REAL or COMPLEX.
  32         (eval_intrinsic): Remove restriction that y in x**y must be INTEGER
  33         for constant folding.
  34         * gfc_power: Update gfc_arith_power to arith_power
  35
  36 2009-03-29  Daniel Kraft  <d@domob.eu>
  37
  38         PR fortran/37423
  39         * gfortran.h (struct gfc_typebound_proc): Added new flag `deferred' and
  40         added a comment explaining DEFERRED binding handling.
  41         * decl.c (match_binding_attributes): Really match DEFERRED attribute.
  42         (match_procedure_in_type): Really match PROCEDURE(interface) syntax
  43         and do some validity checks for DEFERRED and this construct.
  44         * module.c (binding_overriding): New string constant for DEFERRED.
  45         (mio_typebound_proc): Module-IO DEFERRED flag.
  46         * resolve.c (check_typebound_override): Ensure that a non-DEFERRED
  47         binding is not overridden by a DEFERRED one.
  48         (resolve_typebound_procedure): Allow abstract interfaces as targets
  49         for DEFERRED bindings.
  50         (ensure_not_abstract_walker), (ensure_not_abstract): New methods.
  51         (resolve_fl_derived): Use new `ensure_not_abstract' method for
  52         non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
  53         binding is overridden.
  54         (check_typebound_baseobject): New method.
  55         (resolve_compcall), (resolve_typebound_call): Check base-object of
  56         the type-bound procedure call.
  57         * gfc-internals.texi (Type-bound procedures): Document a little bit
  58         about internal handling of DEFERRED bindings.
  59
  60 2008-03-29  Tobias Schlüter  <tobi@gcc.gnu.org>
  61
  62         PR fortran/38507
  63         * gfortran.h (gfc_st_label): Fix comment.
  64         (gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
  65         * parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
  66         END SELECT with labels.
  67         (check_do_closure): Fix formatting.
  68         (parse_do_block): Fix typo in error message.
  69         * resolve.c (code_stack): Remove tail member.  Update comment to
  70         new use of reachable_labels.
  71         (reachable_labels): Rename to ...
  72         (find_reachable_labels): ... this.  Overhaul.  Update preceding
  73         comment.
  74         (resolve_branch): Fix comment preceding function.  Rewrite.
  75         (resolve_code): Update call to find_reachable_labels.  Add code to
  76         deal with EXEC_END_BLOCK.
  77         * st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
  78         Add 2009 to copyright years.
  79         * trans.c (gfc_trans_code): Likewise on both counts.
  80
  81 2009-03-28  Tobias Burnus  <burnus@net-b.de>
  82
  83         PR fortran/34656
  84         * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
  85         Add GFC_RTCHECK_DO support.
  86         * option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
  87         * invoke.texi (-fcheck): Document "do" option.
  88
  89 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
  90
  91         PR fortran/38538
  92         * trans-array.c (get_elemental_fcn_charlen): Remove.
  93         (get_array_charlen): New function to replace previous.
  94
  95 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
  96
  97         PR fortran/38765
  98         * parse.c (parse_derived): Do not break on finding pointer,
  99         allocatable or private components.
 100
 101 2009-03-28  Tobias Burnus  <burnus@net-b.de>
 102
 103         PR fortran/32626
 104         * option.c (gfc_handle_runtime_check_option): Enable recursion check.
 105         * trans-decl.c (gfc_generate_function_code): Add recursion check.
 106         * invoke.texi (-fcheck): Add recursive option.
 107
 108 2009-03-28  Tobias Burnus  <burnus@net-b.de>
 109
 110         PR fortran/38432
 111         * resolve.c (gfc_resolve_iterator): Add zero-loop warning.
 112
 113 2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 114             Paul Thomas  <pault@gcc.gnu.org>
 115             Tobias Burnus  <burnus@net-b.de>
 116
 117         * gfortran.h (gfc_option_t): Add rtcheck.
 118         * lang.opt: New option -fcheck.
 119         * libgfortran.h: Add GFC_RTCHECK_* constants.
 120         * invoke.texi: Document -fcheck.
 121         * options.c (gfc_handle_runtime_check_option): New function.
 122         (gfc_init_options,gfc_post_options,gfc_handle_option):
 123         Add -fcheck option.
 124
 125 2009-03-27  Richard Guenther  <rguenther@suse.de>
 126
 127         * trans-array.c (gfc_conv_descriptor_data_addr): Use
 128         gfc_build_addr_expr instead of build_fold_addr_expr.
 129         (gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
 130         gfc_trans_constant_array_constructor, gfc_conv_array_data,
 131         gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
 132         * trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
 133         gfc_conv_function_val, gfc_conv_operator_assign,
 134         gfc_conv_subref_array_arg, gfc_conv_function_call,
 135         gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
 136         * trans-intrinsic.c (gfc_conv_intrinsic_exponent,
 137         gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
 138         gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
 139         gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
 140         gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
 141         gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
 142         gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
 143         * trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
 144         gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
 145         build_filepos, gfc_trans_inquire, gfc_trans_wait,
 146         nml_get_addr_expr, transfer_namelist_element, build_dt,
 147         gfc_trans_dt_end, transfer_array_component, transfer_expr,
 148         transfer_array_desc, gfc_trans_transfer): Likewise.
 149         * trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
 150         * trans.c (gfc_build_addr_expr): Mark the base of the address
 151         TREE_ADDRESSABLE.
 152
 153 2009-03-27  Tobias Burnus  <burnus@net-b.de>
 154
 155         * gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
 156         (gfc_expr): Add is_snan.
 157         * trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
 158         (gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
 159         * trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
 160         * resolve.c (build_default_init_expr): Update call.
 161         * target-memory.c (encode_float): Ditto.
 162         * trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,
 163
 164 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 165
 166         * lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
 167         and -fpreprocessed.
 168
 169 2009-03-06  Alexandre Oliva <aoliva@redhat.com>
 170
 171         * simplify.c (gfc_simplify_transfer): Zero-initialize the
 172         buffer.
 173
 174 2009-02-27  Tobias Burnus  <burnus@net-b.de>
 175
 176         PR fortran/39309
 177         * module.c (read_md5_from_module_file): Add missing quote.
 178
 179 2009-02-27  Tobias Burnus  <burnus@net-b.de>
 180
 181         PR fortran/39309
 182         * module.c (read_md5_from_module_file): Include mod version
 183         in had-changed test.
 184
 185 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
 186
 187         PR fortran/39295
 188         * interface.c (compare_type_rank_if): Return 1 if the symbols
 189         are the same and deal with external procedures where one is
 190         identified to be a function or subroutine by usage but the
 191         other is not.
 192
 193 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
 194
 195         PR fortran/39292
 196         * trans-array.c (gfc_conv_array_initializer): Convert all
 197         expressions rather than ICEing.
 198
 199 2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 200
 201         PR fortran/38914
 202         * array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
 203         make global.  Change function name in error messages.
 204         (ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
 205         (gfc_array_ref_shape):  Likewise.
 206         * gfortran.h:  Add prototype for gfc_ref_dimen_size.
 207         * simplify.c (simplify_bound_dim):  Add ref argument.
 208         If the reference isn't a full array, return one for
 209         the lower bound and the extent for the upper bound.
 210         (simplify_bound):  For array sections, take as from the
 211         argument.  Add reference to all to simplify_bound_dim.
 212
 213 2009-02-19  Daniel Franke  <franke.daniel@gmail.com>
 214
 215         * scanner.c (load_line): At end of line, skip '\r' without setting
 216         the truncation flag.
 217
 218 2009-02-18  Daniel Kraft  <d@domob.eu>
 219
 220         * gfortran.texi: New chapter about compiler characteristics.
 221         (Compiler Characteristics): Document KIND type parameters here.
 222
 223 2009-02-18  Tobias Burnus  <burnus@net-b.de>
 224
 225         * intrinsic.texi (MALLOC): Make example more portable.
 226
 227 2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>
 228
 229         PR fortran/38259
 230         * module.c (gfc_dump_module,gfc_use_module): Add module
 231         version number.
 232
 233 2009-02-13  Paul Thomas  <pault@gcc.gnu.org>
 234
 235         PR fortran/36703
 236         PR fortran/36528
 237         * trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
 238         function references to ensure that a valid expression is used.
 239         (gfc_conv_function_call): Pass Cray pointers to procedures.
 240
 241 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
 242
 243         * gfortranspec.c (lang_specific_driver): Update copyright notice
 244         dates.
 245
 246 2009-01-28  Paul Thomas  <pault@gcc.gnu.org>
 247
 248         PR fortran/38852
 249         PR fortran/39006
 250         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
 251         descriptor ubound for UBOUND, when the array lbound == 1.
 252
 253 2009-01-27  Daniel Kraft  <d@domob.eu>
 254
 255         PR fortran/38883
 256         * trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
 257         for the real type needed to make it work for subcomponent-references.
 258
 259 2009-01-21  Daniel Kraft  <d@domob.eu>
 260
 261         * trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.
 262
 263 2009-01-20  Paul Thomas  <pault@gcc.gnu.org>
 264
 265         PR fortran/38907
 266         * resolve.c (check_host_association): Remove the matching to
 267         correct an incorrect host association and use manipulation of
 268         the expression instead.
 269
 270 2009-01-20  Tobias Burnus  <burnus@net-b.de>
 271
 272         * invoke.texi (RANGE): RANGE also takes INTEGER arguments.
 273
 274 2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>
 275
 276         PR fortran/38859
 277         * simplify.c (simplify_bound): Don't use array specification
 278         if variable or component has subsequent references.
 279
 280 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
 281
 282         PR fortran/38657
 283         * module.c (write_common_0): Add argument 'this_module' and
 284         check that non-use associated common blocks are written first.
 285         (write_common): Call write_common_0 twice, once with true and
 286         then with false.
 287
 288 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
 289
 290         PR fortran/34955
 291         * trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
 292         been absorbed into gfc_conv_intrinsic_transfer. All
 293         references to it in trans-intrinsic.c have been changed
 294         accordingly.  PR fixed by using a temporary for scalar
 295         character transfer, when the source is shorter than the
 296         destination.
 297
 298 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
 299
 300         PR fortran/38657
 301         * module.c (write_common_0): Revert patch of 2009-01-05.
 302
 303 2009-01-16  Janus Weil  <janus@gcc.gnu.org>
 304
 305         PR fortran/38152
 306         * expr.c (gfc_check_pointer_assign): Allow use-associated procedure
 307         pointers as lvalue.
 308         * trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
 309         Enable procedure pointers as module variables.
 310
 311 2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>
 312
 313         * ChangeLog-2007: Clean out svn merge droppings.
 314
 315 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
 316
 317         PR fortran/38763
 318         * target-memory.c (encode_derived): Encode NULL.
 319
 320 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
 321
 322         PR fortran/38765
 323         * resolve.c (check_host_association): Use the symtree name to
 324         search for a potential contained procedure, since this is the
 325         name by which it would be referenced.
 326
 327 2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 328
 329         PR fortran/38220
 330         * interface.c (gfc_procedure_use):  Don't warn about functions
 331         from ISO_C_BINDING.
 332         * symbol.c (generate_isocbinding_symbol):  Mark c_loc and
 333         c_funloc as pure.
 334
 335 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
 336
 337         PR fortran/38657
 338         * module.c (write_common_0): Use the name of the symtree rather
 339         than the common block, to determine if the common has been
 340         written.
 341
 342 2009-01-05  Daniel Franke  <franke.daniel@gmail.com>
 343
 344         PR fortran/37159
 345         * check.c (gfc_check_random_seed): Added size check for GET
 346         dummy argument, reworded error messages to follow common pattern.
 347
 348 2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
 349
 350         PR fortran/38672
 351         * trans-types.c (gfc_get_derived_type):  Check for the
 352         presence of derived->ns->proc_name before
 353         accessing derived->ns->proc_name->attr.flavor .
 354         * resolve.c (resolve_symbol):  Likewise.
 355
 356 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
 357
 358         PR fortran/38665
 359         * gfortran.h : Add bit to gfc_expr 'user_operator'
 360         * interface.c (gfc_extend_expr): Set the above if the operator
 361         is substituted by a function.
 362         * resolve.c (check_host_association): Return if above is set.
 363
 364 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
 365
 366         PR fortran/35681
 367         * ChangeLog-2008: Fix function name.
 368
 369         PR fortran/38487
 370         * dependency.c (gfc_check_argument_var_dependency):
 371         Move the check for pointerness inside the if block
 372         so that it doesn't affect the return value.
 373
 374         PR fortran/38669
 375         * trans-stmt.c (gfc_trans_call):
 376         Add the dependency code after the loop bounds calculation one.
 377
 378 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
 379
 380         * intrinsic.c (do_simplify): Removed already implemented TODO.
 381
 382 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
 383
 384         PR fortran/38718
 385         * simplify.c (gfc_simplify_merge): New.
 386         * intrinsic.h (gfc_simplify_merge): New prototype.
 387         * intrinsic.c (add_functions): Added simplification for MERGE.
 388
 389 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
 390
 391         PR fortran/38536
 392         * gfortran.h (gfc_is_data_pointer): Added prototype
 393         * resolve.c (gfc_iso_c_func_interface):
 394         Use gfc_is_data_pointer to test for pointer attribute.
 395         * dependency.c (gfc_is_data_pointer):
 396         Support pointer-returning functions.
 397
 398 2009-01-03  Daniel Franke  <franke.daniel@gmail.com>
 399
 400         * symbol.c (save_symbol): Don't SAVE function results.
 401
 402 2009-01-03  Paul Thomas  <pault@gcc.gnu.org>
 403
 404         PR fortran/38594
 405         * resolve.c (resolve_call): When searching for proper host
 406         association, use symtree rather than symbol.  For everything
 407         except generic subroutines, substitute the symtree in the call
 408         rather than the symbol.