gcc/fortran/ChangeLog

   1 2011-04-30  Paul Thomas  <pault@gcc.gnu.org>
   2
   3         PR fortran/48746
   4         * trans-expr.c (fcncall_realloc_result): Set the bounds and the
   5         offset so that the lbounds are one.
   6         (gfc_trans_arrayfunc_assign): Add rank to arguments of above.
   7
   8 2011-04-29  Paul Thomas  <pault@gcc.gnu.org>
   9
  10         PR fortran/48462
  11         * trans-expr.c (arrayfunc_assign_needs_temporary): Deal with
  12         automatic reallocation when the lhs is a target.
  13
  14         PR fortran/48746
  15         * trans-expr.c (fcncall_realloc_result): Make sure that the
  16         result dtype field is set before the function call.
  17
  18 2011-04-29  Tobias Burnus  <burnus@net-b.de>
  19
  20         PR fortran/48810
  21         * resolve.c (resolve_typebound_generic_call): Don't check access
  22         flags of the specific function.
  23
  24         PR fortran/48800
  25         * resolve.c (resolve_formal_arglist): Don't change AS_DEFERRED
  26         to AS_ASSUMED_SHAPE for function results.
  27         (resolve_fl_var_and_proc): Print also for function results with
  28         AS_DEFERRED an error, if they are not a pointer or allocatable.
  29         (resolve_types): Make sure arguments of procedures in interface
  30         blocks are resolved.
  31
  32 2011-04-29  Michael Matz  <matz@suse.de>
  33
  34         * options.c (options.c): Set warn_maybe_uninitialized.
  35
  36 2011-04-28  Tobias Burnus  <burnus@net-b.de>
  37
  38         PR fortran/48112
  39         * resolve.c (resolve_fl_var_and_proc): Print diagnostic of
  40         function results only once.
  41         (resolve_symbol): Always resolve function results.
  42
  43         PR fortran/48279
  44         * expr.c (gfc_check_vardef_context): Fix handling of generic
  45         EXPR_FUNCTION.
  46         * interface.c (check_interface0): Reject internal functions
  47         in generic interfaces, unless -std=gnu.
  48
  49 2011-04-27  Tobias Burnus  <burnus@net-b.de>
  50
  51         PR fortran/48788
  52         * resolve.c (resolve_global_procedure): Error recovery -
  53         avoid segfault for (non)character-returning functions.
  54
  55 2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
  56
  57         * decl.c (gfc_match_end):  Check that the block name starts
  58         with "block@".
  59         * parse.c (gfc_build_block_ns):  Make block names unique by
  60         numbering them.
  61
  62 2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
  63
  64         * frontend-passes.c (inserted_block):  New variable.
  65         (changed_statement):  Likewise.
  66         (create_var):  Encase statement to be operated on in a BLOCK.
  67         Adjust code insertion for BLOCK.
  68         (cfe_code):  Set inserted_block and changed_statement to NULL.
  69
  70 2011-04-23  Tobias Burnus  <burnus@net-b.de>
  71
  72         PR fortran/18918
  73         * module.c (mio_array_spec): Set as->cotype on reading.
  74         * resolve.c (resolve_allocate_expr): Fix allocating coarray
  75         components.
  76
  77 2011-04-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
  78
  79         PR fortran/48405
  80         * frontend_passes (cfe_register_funcs): Remove workaround for DO
  81         loops.
  82         (gfc_code_walker):  Make sure the pointer to the current
  83         statement doen't change when other statements are inserted.
  84
  85 2011-04-21  Tobias Burnus  <burnus@net-b.de>
  86
  87         PR fortran/18918
  88         * array.c (gfc_match_array_spec): Fix maximal rank(+corank) check.
  89
  90 2011-04-20  Jim Meyering  <meyering@redhat.com>
  91
  92         * expr.c (free_expr0): Remove useless if-before-free.
  93         * gfortranspec.c (lang_specific_pre_link): Likewise.
  94         * interface.c (gfc_extend_expr): Likewise.
  95         * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
  96
  97 2011-04-19  Tobias Burnus  <burnus@net-b.de>
  98
  99         PR fortran/48588
 100         PR fortran/48692
 101
 102         * module.c (fix_mio_expr): Commit created symbol.
 103
 104 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 105
 106         * scanner.c (load_file): Use XCNEWVAR instead of xcalloc.
 107
 108 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 109
 110         * frontend-passes.c (gfc_run_passes): Use XDELETEVEC instead of
 111         free.
 112
 113 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 114
 115         * misc.c (gfc_getmem): Remove function.
 116         * gfortran.h: Remove gfc_getmem prototype. Replace gfc_getmem
 117         usage with XCNEW or XCNEWVEC.
 118         * expr.c (gfc_check_assign_symbol): Replace gfc_getmem usage with
 119         XCNEW or XCNEWVEC.
 120         * options.c (gfc_handle_module_path_options)
 121         (gfc_get_option_string): Likewise.
 122         * resolve.c (gfc_resolve_forall): Likewise.
 123         * simplify.c (simplify_transformation_to_array): Likewise.
 124         * target-memory.c (gfc_target_interpret_expr): Likewise.
 125         * trans-common.c (get_segment_info, copy_equiv_list_to_ns)
 126         (get_init_field): Likewise.
 127         * trans-expr.c (gfc_conv_statement_function): Likewise.
 128         * trans-io.c (nml_full_name): Likewise.
 129         * trans-stmt.c (gfc_trans_forall_1): Likewise.
 130         * scanner.c (load_file): Replace gfc_getmem usage with xcalloc.
 131
 132 2011-04-19  Tobias Burnus  <burnus@net-b.de>
 133
 134         PR fortran/48588
 135         * parse.c (resolve_all_program_units): Skip modules.
 136         (translate_all_program_units): Handle modules.
 137         (gfc_parse_file): Defer code generation for modules.
 138
 139 2011-04-19  Martin Jambor  <mjambor@suse.cz>
 140
 141         * trans-decl.c (gfc_generate_function_code): Call cgraph_create_node
 142         instead of cgraph_get_create_node.
 143
 144 2011-04-18  Jim Meyering  <meyering@redhat.com>
 145
 146         remove now-unused definition of gfc_free
 147         * misc.c (gfc_free): Remove function.
 148         * gfortran.h (gfc_free): Remove its prototype.
 149
 150 2011-04-18  Jim Meyering  <meyering@redhat.com>
 151
 152         convert each use of gfc_free (p) to free (p)
 153         Do that by running this command:
 154           perl -pi -e    's/\bgfc_free ?\(/free (/' \
 155             $(git grep -El '\bgfc_free ?\(')
 156         which also corrects the few uses that lacked a space between
 157         the function name and the open parenthesis.
 158         Manually undo the change to the function definition itself
 159         and its prototype.  They'll be removed next.
 160         * array.c (gfc_free_array_spec, gfc_set_array_spec): s/gfc_free/free/
 161         * constructor.c (node_free): Likewise.
 162         * cpp.c (dump_queued_macros): Likewise.
 163         * data.c (gfc_assign_data_value): Likewise.
 164         * decl.c (free_variable, free_value, gfc_free_data): Likewise.
 165         (gfc_free_data_all, match_old_style_init): Likewise.
 166         (gfc_set_constant_character_len, gfc_free_enum_history, NUM_DECL):
 167         Likewise.
 168         (gfc_match_modproc): Likewise.
 169         * dependency.c (check_section_vs_section): Likewise.
 170         * error.c (gfc_pop_error, gfc_free_error): Likewise.
 171         * expr.c (free_expr0, gfc_free_expr, gfc_free_actual_arglist): Likewise.
 172         (gfc_free_ref_list, gfc_replace_expr, gfc_copy_ref): Likewise.
 173         (find_substring_ref, gfc_simplify_expr, gfc_check_assign_symbol):
 174         Likewise.
 175         * frontend-passes.c (gfc_run_passes, cfe_expr_0): Likewise.
 176         (strip_function_call, optimize_comparison): Likewise.
 177         * interface.c (gfc_free_interface, arginfo, check_interface0): Likewise.
 178         (CHECK_OS_COMPARISON, gfc_extend_assign, gfc_free_formal_arglist):
 179         Likewise.
 180         * intrinsic.c (gfc_intrinsic_done_1, gfc_convert_type_warn): Likewise.
 181         (gfc_convert_chartype): Likewise.
 182         * io.c (gfc_free_open, compare_to_allowed_values, gfc_free_close):
 183         Likewise.
 184         (gfc_free_filepos, gfc_free_dt, gfc_free_inquire): Likewise.
 185         * match.c (gfc_free_iterator, gfc_match_associate): Likewise.
 186         (gfc_free_alloc_list, gfc_free_namelist, gfc_free_equiv_until):
 187         Likewise.
 188         (free_case, gfc_free_forall_iterator): Likewise.
 189         * misc.c: Likewise.
 190         * module.c (free_pi_tree, resolve_fixups, free_rename): Likewise.
 191         (free_true_name, peek_atom, mio_allocated_wide_string): Likewise.
 192         (mio_pool_string, mio_internal_string, mio_gmp_integer): Likewise.
 193         (mio_gmp_real, mio_expr, mio_typebound_proc): Likewise.
 194         (mio_full_typebound_tree, skip_list, load_equiv): Likewise.
 195         (free_written_common, gfc_use_module, gfc_free_use_stmts): Likewise.
 196         * openmp.c (gfc_free_omp_clauses): Likewise.
 197         * options.c (gfc_post_options): Likewise.
 198         * parse.c (select_type_pop, parse_omp_structured_block): Likewise.
 199         * primary.c (gfc_free_structure_ctor_component): Likewise.
 200         * resolve.c (resolve_structure_cons, check_host_association): Likewise.
 201         (gfc_resolve_forall, resolve_equivalence): Likewise.
 202         * scanner.c (gfc_scanner_done_1, gfc_release_include_path): Likewise.
 203         (gfc_define_undef_line, preprocessor_line, include_line): Likewise.
 204         (load_file, gfc_read_orig_filename): Likewise.
 205         * simplify.c (simplify_transformation_to_array): Likewise.
 206         (gfc_simplify_ibits, simplify_shift, gfc_simplify_ishftc, STRING):
 207         Likewise.
 208         (gfc_simplify_compiler_options): Likewise.
 209         * st.c (gfc_free_statement, gfc_free_statements): Likewise.
 210         (gfc_free_association_list): Likewise.
 211         * symbol.c (free_components, gfc_free_st_label, free_st_labels):
 212         Likewise.
 213         (gfc_delete_symtree, gfc_free_symbol, gfc_undo_symbols): Likewise.
 214         (free_old_symbol, gfc_commit_symbols, free_tb_tree): Likewise.
 215         (free_common_tree, free_uop_tree, free_sym_tree): Likewise.
 216         (gfc_free_dt_list, gfc_free_equiv_infos, gfc_free_equiv_lists):
 217         Likewise.
 218         (gfc_free_finalizer, gfc_free_charlen, free_entry_list): Likewise.
 219         (gfc_free_namespace): Likewise.
 220         * trans-array.c (gfc_free_ss, gfc_trans_array_bound_check): Likewise.
 221         (gfc_conv_array_ref, gfc_conv_ss_startstride): Likewise.
 222         (gfc_trans_dummy_array_bias, gfc_conv_array_parameter): Likewise.
 223         * trans-common.c (get_init_field, create_common): Likewise.
 224         * trans-const.c (gfc_build_wide_string_const): Likewise.
 225         (gfc_conv_string_init): Likewise.
 226         * trans-decl.c (gfc_generate_function_code): Likewise.
 227         * trans-expr.c (gfc_conv_substring, gfc_free_interface_mapping):
 228         Likewise.
 229         (SCALAR_POINTER, gfc_conv_statement_function): Likewise.
 230         (gfc_trans_subarray_assign): Likewise.
 231         * trans-intrinsic.c (conv_generic_with_optional_char_arg): Likewise.
 232         * trans-io.c (gfc_trans_io_runtime_check, set_string): Likewise.
 233         (transfer_namelist_element, transfer_array_component): Likewise.
 234         * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
 235         * trans-stmt.c (cleanup_forall_symtrees, gfc_trans_forall_1): Likewise.
 236         * trans.c (trans_runtime_error_vararg, gfc_restore_backend_locus):
 237         Likewise.
 238
 239 2011-04-15  Jim Meyering  <meyering@redhat.com>
 240
 241         gfortran: remove cpp definition of free, ...
 242         in preparation for the s/gfc_free/free/ transformation.
 243         * gfortran.h (free): Remove macro definition that would otherwise
 244         prevent direct use of the function.
 245
 246 2011-04-18  Tobias Burnus  <burnus@net-b.de>
 247
 248         PR fortran/18918
 249         * array.c (gfc_match_array_ref): Check for too many codimensions.
 250         * check.c (gfc_check_image_index): Check number of elements
 251         in SUB argument.
 252         * simplify.c (gfc_simplify_image_index): Remove unreachable checks.
 253
 254 2011-04-18  Tobias Burnus  <burnus@net-b.de>
 255
 256         PR fortran/18918
 257         * iresolve.c (gfc_resolve_image_index): Set ts.type.
 258         * simplify.c (gfc_simplify_image_index): Don't abort if the bounds
 259         are not known at compile time and handle -fcoarray=lib.
 260         * trans-intrinsics.c (gfc_conv_intrinsic_function): Handle
 261         IMAGE_INDEX.
 262         (conv_intrinsic_cobound): Fix comment typo.
 263         (trans_this_image): New function.
 264         * trans-array.c (gfc_unlikely): Move to trans.c.
 265         * trans.c (gfc_unlikely): Function moved from trans-array.c.
 266         (gfc_trans_runtime_check): Use it.
 267         * trans-io.c (gfc_trans_io_runtime_check): Ditto.
 268         * trans.h (gfc_unlikely): Add prototype.
 269
 270 2011-04-18  Paul Thomas  <pault@gcc.gnu.org>
 271
 272         PR fortran/48462
 273         * trans-expr.c (fcncall_realloc_result): Renamed version of
 274         realloc_lhs_bounds_for_intrinsic_call that does not touch the
 275         descriptor bounds anymore but makes a temporary descriptor to
 276         hold the result.
 277         (gfc_trans_arrayfunc_assign): Modify the reference to above
 278         renamed function.
 279
 280 2011-05-17  Tobias Burnus  <burnus@net-b.de>
 281
 282         PR fortran/48624
 283         * trans-decl.c (gfc_get_extern_function_decl): Fix decl
 284         for external procedures with proc arguments.
 285
 286 2011-04-15  Michael Matz  <matz@suse.de>
 287
 288         * trans-array.c (toplevel): Include gimple.h.
 289         (gfc_trans_allocate_array_storage): Check flag_stack_arrays,
 290         properly expand variable length arrays.
 291         (gfc_trans_auto_array_allocation): If flag_stack_arrays create
 292         variable length decls and associate them with their scope.
 293         * gfortran.h (gfc_option_t): Add flag_stack_arrays member.
 294         * options.c (gfc_init_options): Handle -fstack_arrays option.
 295         * lang.opt (fstack-arrays): Add option.
 296         * invoke.texi (Code Gen Options): Document it.
 297         * Make-lang.in (trans-array.o): Depend on GIMPLE_H.
 298
 299 2011-04-15  Tobias Burnus  <burnus@net-b.de>
 300
 301         PR fortran/18918
 302         * trans-intrinsic.c (conv_intrinsic_cobound): Remove unused
 303         code which is also causing an ICE.
 304
 305 2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>
 306
 307         * f95-lang.c (poplevel): Use BLOCK_CHAIN and block_chainon.
 308
 309 2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>
 310
 311         * f95-lang.c (union lang_tree_node): Check for TS_COMMON before
 312         calling TREE_CHAIN.
 313
 314 2011-04-12  Paul Thomas  <pault@gcc.gnu.org>
 315
 316         PR fortran/48360
 317         PR fortran/48456
 318         * trans-array.c (get_std_lbound): For derived type variables
 319         return array valued component lbound.
 320
 321 2011-04-12  Martin Jambor  <mjambor@suse.cz>
 322
 323         * trans-decl.c (gfc_generate_function_code): Call
 324         cgraph_get_create_node instead of cgraph_node.
 325
 326 2011-04-11  Tobias Burnus  <burnus@net-b.de>
 327
 328         PR fortran/18918
 329         * simplify.c (simplify_bound_dim): Exit for
 330         ucobound's last dimension unless -fcoarray=single.
 331         * trans-array (gfc_conv_descriptor_size_1): Renamed from
 332         gfc_conv_descriptor_size, made static, has now from_dim and
 333         to_dim arguments.
 334         (gfc_conv_descriptor_size): Call gfc_conv_descriptor_size.
 335         (gfc_conv_descriptor_cosize): New function.
 336         * trans-array.h (gfc_conv_descriptor_cosize): New prototype.
 337         * trans-intrinsic.c (conv_intrinsic_cobound): Add input_location
 338         and handle last codim of ucobound for when -fcoarray is not "single".
 339
 340 2011-04-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 341
 342         PR fortran/48448
 343         * gfortran.h (gfc_option_t):  Add warn_function_elimination and
 344         flag_frontend_optimize.
 345         * lang.opt (Wfunction-elimination):  Add.
 346         (ffrontend-optimize):  Add.
 347         * invoke.texi:  Add documentation for -Wfunction-elimination
 348         and -ffrontend-optimize.  Add -faggressive-function-elimination
 349         to list of code generation options.
 350         * frontend-passes.c (gfc_run_passes):  Run optimizations if
 351         flag_frontend_optimize is set.
 352         (warn_function_elimination):  New function.
 353         (cfe_expr_0):  Call it if requested to do so.
 354         * options.c (gfc_init_options):  Initiate warn_function_elimination
 355         and flag_frontend_optimize.
 356         (gfc_post_options):  Set flag_frontend_optimize if not specified
 357         by user, depending on the optimization level.
 358         (gfc_handle_option):  Handle -Wfunction-elimination and
 359         -ffrontend-optimize.
 360
 361 2011-04-06  Tobias Burnus  <burnus@net-b.de>
 362
 363         PR fortran/18918
 364         * trans-intrinsic.c (gfc_conv_intrinsic_function): Fix
 365         call for this_image.
 366
 367 2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>
 368
 369         * trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use
 370         build_function_type_list instead of build_function_type.  Correct
 371         argument order for func_frexp and func_scalbn.
 372
 373 2011-04-05  Duncan Sands  <baldrick@free.fr>
 374
 375         * f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.
 376
 377 2010-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
 378
 379         * frontend-passes: (optimize_lexical_comparison): New function.
 380         (optimize_expr): Call it.
 381         (optimize_comparison): Also handle lexical comparison functions.
 382         Return false instad of -2 for unequal comparison.
 383
 384 2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
 385
 386         PR fortran/48412
 387         * frontend-passes (cfe_expr_0):  Reverse the order of going
 388         through the loops.
 389
 390 2011-04-04  Tobias Burnus  <burnus@net-b.de>
 391             Mikael Morin  <mikael.morin@sfr.fr>
 392
 393         PR fortran/18918
 394         * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
 395         * expr.c (gfc_is_coindexed): Ditto.
 396         * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
 397         * interface.c (compare_parameter): Use gfc_expr_attr and
 398         gfc_is_coindexed.
 399         * resolve.c (check_dimension, compare_spec_to_ref,
 400         resolve_allocate_expr, check_data_variable): Update for
 401         DIMEN_THIS_IMAGE.
 402         * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
 403         gfc_simplify_ucobound): Allow non-constant bounds.
 404         * trans-array.c (gfc_set_loop_bounds_from_array_spec,
 405         gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
 406         gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
 407         gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
 408         gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
 409         gfc_conv_ss_startstride, gfc_conv_loop_setup,
 410         gfc_trans_array_bounds, gfc_conv_expr_descriptor,
 411         gfc_walk_variable_expr): Handle codimen.
 412         * trans-decl.c (gfc_build_qualified_array): Save cobounds.
 413         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
 414         (conv_intrinsic_cobound): New function.
 415         (gfc_conv_intrinsic_function): Call it.
 416         (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
 417         ucobound, lcobound, this_image.
 418         * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
 419         (gfc_get_dtype): Honour corank.
 420         (gfc_get_nodesc_array_type): Save corank and codimensions.
 421         (gfc_get_array_type_bounds): Save cobound.
 422         * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
 423         (gfc_array_kind): Add corank item.
 424         (GFC_TYPE_ARRAY_CORANK): New macro.
 425
 426 2011-04-03  Kai Tietz  <ktietz@redhat.com>
 427
 428         PR middle-end/48422
 429         * Make-lang.in (f95-lang.o): Add some missing dependencies.
 430
 431 2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
 432
 433         PR fortran/48352
 434         * frontend-passes (cfe_register_funcs):  Don't
 435         register functions if they appear as iterators in DO loops.
 436
 437 2011-03-30  Michael Matz  <matz@suse.de>
 438
 439         PR fortran/47516
 440         * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
 441         don't use local variable.
 442         (gfc_trans_arrayfunc_assign): Adjust caller.
 443
 444 2011-03-29  Janus Weil  <janus@gcc.gnu.org>
 445
 446         PR fortran/48095
 447         * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
 448         * module.c (MOD_VERSION): Bump.
 449         (mio_typespec): Read/write 'interface' field.
 450         * primary.c (match_string_constant,match_logical_constant): Remove
 451         unneeded code.
 452         (match_complex_constant): Make sure to clear the typespec.
 453
 454 2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 455
 456         * frontend-passes.c (create_var):  Warn about creating an
 457         array temporary if requested.
 458
 459 2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 460
 461         PR fortran/47065
 462         * frontend-passes.c (optimize_trim): Also follow references, except
 463         when they are substring references or array references.
 464
 465 2011-03-27  Tobias Burnus  <burnus@net-b.de>
 466
 467         PR fortran/18918
 468         * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
 469         GFC_ISYM_NUM_IMAGES.
 470         (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
 471         * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
 472         rename.
 473         * invoke.texi (-fcoarray=): Document "lib" argument.
 474         * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
 475         * libgfortran.h (libgfortran_stat_codes): Add comments.
 476         * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
 477         * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
 478         Handle GFC_FCOARRAY_LIB.
 479         * trans.h (gfc_init_coarray_decl): New prototype.
 480         (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
 481         gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
 482         gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
 483         gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
 484         gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
 485         New global variables.
 486         * trans-decl.c: Declare several CAF functions (cf. above).
 487         (gfc_build_builtin_function_decls): Initialize those.
 488         (gfc_init_coarray_decl): New function.
 489         (create_main_function): Call CAF init/finalize functions.
 490         * trans-intrinsic.c (trans_this_image, trans_num_images): New.
 491         (gfc_conv_intrinsic_function): Call those.
 492         * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
 493         Add code for GFC_FCOARRAY_LIB.
 494
 495 2011-03-26  Janus Weil  <janus@gcc.gnu.org>
 496
 497         PR fortran/48291
 498         * class.c (get_unique_hashed_string): Adjust maximum allowable length
 499         for unique type string.
 500
 501 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 502
 503         * scanner.c (preprocessor_line): Use filename_cmp
 504         instead of strcmp.
 505
 506 2011-03-25  Tobias Burnus  <burnus@net-b.de>
 507
 508         PR fortran/48174
 509         PR fortran/45304
 510         * trans-types.c (gfc_get_function_type): Don't use varargs if the
 511         procedure is known to have no arguments.
 512
 513 2010-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 514
 515         PR fortran/22572
 516         * gfortran.h (gfc_option_t) : Add
 517         flag_aggressive_function_elimination.
 518         (gfc_dep_compare_functions):  Add prototype.
 519         * lang.opt: Add faggressive-function-elimination.
 520         * invoke.texi: Document -faggressive-function-elimination.
 521         * frontend_passes (expr_array):  New static variable.
 522         (expr_size):  Likewise.
 523         (expr_count):  Likewise.
 524         (current_code):  Likewise.
 525         (current_ns):  Likewise.
 526         (gfc_run_passes):  Allocate and free space for expressions.
 527         (cfe_register_funcs):  New function.
 528         (create_var):  New function.
 529         (cfc_expr_0):  New function.
 530         (cfe_code):  New function.
 531         (optimize_namespace):  Invoke gfc_code_walker with cfe_code
 532         and cfe_expr_0.
 533         * dependency.c (gfc_dep_compare_functions):  New function.
 534         (gfc_dep_compare_expr):  Use it.
 535         * options.c (gfc_init_options):  Handle
 536         flag_aggressive_function_elimination.
 537         (gfc_handle_option):  Likewise.
 538
 539 2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 540
 541         * arith.c (arith_power): Plug memory leak.
 542
 543 2011-03-12  Janus Weil  <janus@gcc.gnu.org>
 544
 545         PR fortran/48059
 546         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
 547         for polymorphic arguments.
 548
 549 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 550
 551         PR fortran/48054
 552         * intrinsic.texi: Clarify doc of logarithm functions.
 553
 554 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 555
 556         PR fortran/47552
 557         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
 558         the string length variable.
 559
 560 2011-03-11  Janus Weil  <janus@gcc.gnu.org>
 561
 562         PR fortran/47768
 563         * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
 564         (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.
 565
 566 2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
 567             Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 568
 569         PR fortran/47850
 570         * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
 571         the expression has an iterator.  Otherwise, iterate through the
 572         array, checking for constant expressions for each element.
 573
 574 2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
 575
 576         PR libfortran/47802
 577         * intrinsic.texi: Update CTIME and FDATE documentation.
 578
 579 2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 580
 581         * invoke.texi (Option Summary, Fortran Dialect Options)
 582         (Preprocessing Options, Runtime Options, Code Gen Options):
 583         Fix vertical list spacing by using @itemx for additinoal
 584         items, empty line before @table.  Fix typos.
 585
 586 2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 587
 588         PR fortran/47894
 589         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 590
 591 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 592
 593         PR fortran/47846
 594         * trans-stmt.c (gfc_trans_allocate): Fix allocation with
 595         type-spec of deferred-length strings.
 596
 597 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 598
 599         PR fortran/47886
 600         * openmp.c (gfc_resolve_omp_directive): Resolve if()
 601         condition of OpenMP's task.
 602
 603 2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 604
 605         PR fortran/47894
 606         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 607
 608 2011-02-24  Tobias Burnus  <burnus@net-b.de>
 609
 610         PR fortran/47872
 611         * intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
 612         multitable for linebreak between different syntax variants.
 613
 614 2011-02-24  Richard Guenther  <rguenther@suse.de>
 615
 616         PR fortran/47839
 617         * f95-lang.c (pushdecl): For externs in non-global scope push
 618         a copy of the decl into the BLOCK.
 619
 620 2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>
 621
 622         PR fortran/40850
 623         * trans.c (gfc_prepend_expr_to_block): New function.
 624         * trans.h (gfc_prepend_expr_to_block): Declare.
 625         * trans-array.c (gfc_conv_array_parameter): Replace
 626         gfc_add_expr_to_block with gfc_prepend_expr_to_block.
 627
 628 2011-02-22  Paul Thomas  <pault@gcc.gnu.org>
 629
 630         PR fortran/45743
 631         * trans-decl.c (gfc_get_extern_function_decl): Don't use the
 632         gsymbol backend_decl if the procedure has a formal argument
 633         that is a procedure.
 634
 635 2011-02-22  Tobias Burnus  <burnus@net-b.de>
 636
 637         PR fortran/41359
 638         * trans-stmt.c (gfc_trans_if_1): Use correct line for
 639         expressions in the if condition.
 640
 641 2011-02-20  Tobias Burnus  <burnus@net-b.de>
 642
 643         PR fortran/47797
 644         * trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
 645         gfc_restore_backend_locus to have better debug locations.
 646         * trans-array.c (gfc_trans_deferred_array): Ditto.
 647
 648 2011-02-20  Paul Thomas  <pault@gcc.gnu.org>
 649
 650         PR fortran/45077
 651         PR fortran/44945
 652         * trans-types.c (gfc_get_derived_type): Remove code that looks
 653         for decls in gsym and add call to gfc_get_module_backend_decl.
 654         * trans.h : Add prototype for gfc_get_module_backend_decl.
 655         * trans-decl.c (gfc_get_module_backend_decl): New function.
 656         (gfc_get_symbol_decl): Call it.
 657
 658 2011-02-19  Paul Thomas  <pault@gcc.gnu.org>
 659
 660         PR fortran/47348
 661         * trans-array.c (get_array_ctor_all_strlen): Move up in file.
 662         (get_array_ctor_var_strlen): Add block dummy and add call to
 663         get_array_ctor_all_strlen instead of giving up on substrings.
 664         Call gcc_unreachable for default case.
 665         (get_array_ctor_strlen): Add extra argument to in call to
 666         get_array_ctor_var_strlen.
 667
 668 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 669
 670         PR fortran/47789
 671         * primary.c (gfc_match_structure_constructor): Handle empty parent
 672         types.
 673
 674 2011-02-18  Tobias Burnus
 675
 676         PR fortran/47775
 677         * trans-expr.c (arrayfunc_assign_needs_temporary): Use
 678         esym to check whether the specific procedure returns an
 679         allocatable or pointer.
 680
 681 2011-02-18  Michael Matz  <matz@suse.de>
 682
 683         PR fortran/45586
 684         * gfortran.h (struct gfc_component): Add norestrict_decl member.
 685         * trans.h (struct lang_type): Add nonrestricted_type member.
 686         * trans-expr.c (gfc_conv_component_ref): Search fields with correct
 687         parent type.
 688         * trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
 689         (gfc_sym_type): Use it.
 690
 691 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 692
 693         PR fortran/47768
 694         * resolve.c (resolve_transfer): Reject variables with procedure pointer
 695         components.
 696
 697 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 698
 699         PR fortran/47767
 700         * gfortran.h (gfc_check_access): Removed prototype.
 701         (gfc_check_symbol_access): Added prototype.
 702         * module.c (gfc_check_access): Renamed to 'check_access', made static.
 703         (gfc_check_symbol_access): New function, basically a shortcut for
 704         'check_access'.
 705         (write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
 706         'gfc_check_symbol_access'.
 707         (write_operator,write_module): Renamed 'gfc_check_access'.
 708         * resolve.c (resolve_fl_procedure,resolve_fl_derived,
 709         resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
 710         'gfc_check_symbol_access'.
 711
 712 2011-02-16  Janus Weil  <janus@gcc.gnu.org>
 713
 714         PR fortran/47745
 715         * class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
 716         * decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
 717         'gfc_build_class_symbol'.
 718         (gfc_match_decl_type_spec): Reject unlimited polymorphism.
 719         * interface.c (matching_typebound_op): Check for 'class_ok' attribute.
 720         * match.c (select_type_set_tmp): Move setting of 'class_ok' into
 721         'gfc_build_class_symbol'.
 722         * primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
 723
 724 2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 725
 726         PR fortran/47633
 727         . simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.
 728
 729 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 730
 731         PR fortran/47730
 732         * parse.c (gfc_build_block_ns): Commit 'block@' symbol.
 733
 734 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 735
 736         PR fortran/47728
 737         * class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
 738         arrays.
 739         * primary.c (gfc_match_varspec): Avoid ICE for invalid class
 740         declaration.
 741
 742 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 743
 744         PR fortran/47349
 745         * interface.c (get_expr_storage_size): Handle derived-type components.
 746
 747 2011-02-13  Tobias Burnus  <burnus@net-b.de>
 748
 749         PR fortran/47569
 750         * interface.c (compare_parameter): Avoid ICE with
 751         character components.
 752
 753 2011-02-12  Janus Weil  <janus@gcc.gnu.org>
 754
 755         * class.c (gfc_build_class_symbol): Reject polymorphic arrays.
 756         * decl.c (build_sym,build_struct,attr_decl1): Use return value of
 757         'gfc_build_class_symbol'.
 758
 759 2011-02-12  Michael Matz  <matz@suse.de>
 760             Janus Weil  <janus@gcc.gnu.org>
 761             Tobias Burnus  <burnus@net-b.de>
 762
 763         PR fortran/45586
 764         * trans-expr.c (conv_parent_component_references): Avoid unintendent
 765         skipping of parent compounds.
 766
 767 2011-02-11  Tobias Burnus  <burnus@net-b.de>
 768
 769         PR fortran/47550
 770         * resolve.c (resolve_formal_arglist): PURE with VALUE
 771         and no INTENT: Add -std= diagnostics.
 772
 773 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 774
 775         PR fortran/47352
 776         * resolve.c (resolve_procedure_interface): If interface has a result
 777         variable, copy the typespec and set result pointer to self.
 778
 779 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 780
 781         PR fortran/47463
 782         * resolve.c (resolve_typebound_subroutine): Remove erroneous line.
 783
 784 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 785
 786         PR fortran/47637
 787         * trans-decl.c (init_intent_out_dt): Handle CLASS arguments.
 788
 789 2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 790
 791         * io.c (match_io_element): Do not set dt if not inquire.
 792
 793 2011-02-08  Janus Weil  <janus@gcc.gnu.org>
 794
 795         PR fortran/45290
 796         * expr.c (gfc_check_assign_symbol): Reject pointers as pointer
 797         initialization target.
 798
 799 2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
 800             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 801
 802         * gfortran.texi (Thread-safety): texinfo styling fixes.
 803         * intrinsic.texi: Likewise.
 804
 805 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 806
 807         * gfortran.texi (Compiler Characteristics): Add reference to
 808         thread-safety section.
 809
 810 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 811
 812         * gfortran.texi (Thread-safety): New section.
 813         * intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
 814         (GETENV): Likewise.
 815         (GET_ENVIRONMENT_VARIABLE): Likewise.
 816         (SYSTEM): Likewise.
 817
 818 2011-02-06  Paul Thomas  <pault@gcc.gnu.org>
 819
 820         PR fortran/47592
 821         * trans-stmt.c (gfc_trans_allocate): For deferred character
 822         length allocations with SOURCE, store to the values and string
 823         length to avoid calculating twice.  Replace gfc_start_block
 824         with gfc_init_block to avoid unnecessary contexts and to keep
 825         declarations of temporaries where they should be. Tidy up the
 826         code a bit.
 827
 828 2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
 829
 830         PR fortran/42434
 831         * intrinsic.texi (SYSTEM_CLOCK): Update documentation.
 832
 833 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 834             Paul Thomas  <pault@gcc.gnu.org>
 835
 836         PR fortran/47082
 837         * trans-expr.c (gfc_trans_class_init_assign): Add call to
 838         gfc_get_derived_type.
 839         * module.c (read_cleanup): Do not use unique_symtrees for vtabs
 840         or vtypes.
 841
 842 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 843
 844         PR fortran/47572
 845         * resolve.c (resolve_fl_variable): Handle polymorphic allocatables.
 846
 847 2011-02-01  Janus Weil  <janus@gcc.gnu.org>
 848
 849         PR fortran/47565
 850         * trans-expr.c (gfc_conv_structure): Handle constructors for procedure
 851         pointer components with allocatable result.
 852
 853 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 854
 855         PR fortran/47455
 856         * trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
 857         with pointer or allocatable result.
 858
 859 2011-01-31  Paul Thomas  <pault@gcc.gnu.org>
 860
 861         PR fortran/47519
 862         * trans-stmt.c (gfc_trans_allocate): Improve handling of
 863         deferred character lengths with SOURCE.
 864         * iresolve.c (gfc_resolve_repeat): Calculate character
 865         length from source length and ncopies.
 866         * dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
 867         expressions for ALLOCATE.
 868
 869 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 870
 871         PR fortran/47463
 872         * resolve.c (resolve_typebound_subroutine): Bug fix for the case of
 873         an argument of a typebound assignment being a component.
 874
 875 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 876
 877         * gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
 878         LD_STATIC_OPTION, LD_DYNAMIC_OPTION.
 879
 880 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 881
 882         PR fortran/47042
 883         * resolve.c (resolve_fl_procedure): Reject stmt functions
 884         with pointer/allocatable attribute.
 885
 886 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 887
 888         PR fortran/47042
 889         * interface.c (gfc_procedure_use): Add explicit interface check for
 890         pointer/allocatable functions.
 891
 892 2011-01-30  Paul Thomas  <pault@gcc.gnu.org>
 893
 894         PR fortran/47523
 895         * trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
 896         expr and is assigned to a deferred character length scalar,
 897         make sure that the function is called before reallocation,
 898         so that the length is available. Include procedure pointer
 899         and procedure pointer component rhs as well.
 900
 901         PR fortran/45170
 902         PR fortran/35810
 903         PR fortran/47350
 904         * gfortran.dg/allocatable_function_5.f90: New test not added by
 905         mistake on 2011-01-28.
 906
 907 2011-01-29  Tobias Burnus  <burnus@net-b.de>
 908
 909         PR fortran/47531
 910         * check.c (gfc_check_shape): Support kind argument in SHAPE.
 911         * intrinsic.c (add_functions): Ditto.
 912         * resolve.c (gfc_resolve_shape): Ditto.
 913         * simplify.c (gfc_simplify_shape): Ditto.
 914         * intrinsic.h (gfc_check_shape, gfc_resolve_shape,
 915         gfc_simplify_shape): Update prototypes.
 916         * intrinisc.text (SHAPE): Document kind argument.
 917
 918 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 919
 920         PR fortran/47507
 921         * resolve.c (resolve_formal_arglist): Allow arguments with VALUE
 922         attribute also without INTENT.
 923
 924 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 925
 926         * gfortran.texi (Fortran 2003 status): Mention support for
 927         nonconstant namelist variables.
 928
 929 2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
 930             Tobias Burnus  <burnus@gcc.gnu.org>
 931
 932         PR fortran/45170
 933         PR fortran/35810
 934         PR fortran/47350
 935         * interface.c (compare_actual_formal): An allocatable or pointer
 936         deferred length actual is only allowed if the formal argument
 937         is also deferred length. Clean up whitespace.
 938         * trans-expr.c (gfc_conv_procedure_call): Pass string length for
 939         deferred character length formal arguments by reference. Do the
 940         same for function results.
 941         (gfc_trans_pointer_assignment): Do not do runtime check of lhs
 942         and rhs character lengths, if deferred length lhs.  In this case
 943         set the lhs character length to that of the rhs.
 944         (gfc_conv_string_parameter): Remove assert that string length is
 945         an integer type.
 946         (is_scalar_reallocatable_lhs): New function.
 947         (alloc_scalar_allocatable_for_assignment): New function.
 948         (gfc_trans_assignment_1): Call above new function. If the rhs is
 949         a deferred character length itself, makes ure that the function
 950         is called before reallocation, so that the length is available.
 951         (gfc_trans_asssignment): Remove error about assignment to
 952         deferred length character variables.
 953         * gfortran.texi : Update entry about (re)allocation on
 954         assignment.
 955         * trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
 956         length character variables.
 957         * module.c (mio_typespec): Transfer deferred characteristic.
 958         * trans-types.c (gfc_get_function_type): New code to generate
 959         hidden typelist, so that those character lengths that are
 960         passed by reference get the right type.
 961         * resolve.c (resolve_contained_fntype): Supress error for
 962         deferred character length functions.
 963         (resolve_function, resolve_fl_procedure) The same.
 964         (check_symbols): Remove the error that support for
 965         entity with deferred type parameter is not yet implemented.
 966         (resolve_fl_derived): The same.
 967         match.c (alloc_opt_list): Allow MOLD for deferred length object.
 968         * trans-decl.c (gfc_get_symbol_decl): For deferred character
 969         length dummies, generate a local variable for string length.
 970         (create_function_arglist): Hidden length can be a pointer.
 971         (gfc_trans_deferred_vars): For deferred character length
 972         results and dummies, assign the string length to the local
 973         variable from the hidden argument on entry and the other way
 974         round on exit, as appropriate.
 975
 976 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 977
 978         PR fortran/47474
 979         * trans-decl.c (gfc_generate_function_code): Fix init
 980         of allocatable result variable with allocatable components.
 981
 982 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 983
 984         PR fortran/47472
 985         * options.c (gfc_handle_module_path_options): Save
 986         module path without trailing slash as include path.
 987
 988 2011-01-25  Tobias Burnus  <burnus@net-b.de>
 989
 990         PR fortran/47448
 991         * interface.c (gfc_check_operator_interface): Fix
 992         defined-assignment check.
 993
 994 2011-01-23  Tobias Burnus  <burnus@net-b.de>
 995
 996         PR fortran/47421
 997         * trans-decl.c (gfc_trans_deferred_vars): Do not nullify
 998         scalar allocatable dummy arguments.
 999
1000 2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
1001
1002         PR fortran/38536
1003         * resolve.c (gfc_iso_c_func_interface):  For C_LOC,
1004         check for array sections followed by component references
1005         which are illegal.  Also check for coindexed arguments.
1006
1007 2011-01-22  Tobias Burnus  <burnus@net-b.de>
1008
1009         PR fortran/47399
1010         * primary.c (gfc_match_varspec): Relax gcc_assert to allow for
1011         PARAMETER TBP.
1012
1013 2011-01-21  Tobias Burnus  <burnus@net-b.de>
1014
1015         PR fortran/47394
1016         * error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
1017         Use defined instead of magic number exit status codes.
1018         * scanner.c (include_line, gfc_new_file): Ditto.
1019
1020 2011-01-21  Tobias Burnus  <burnus@net-b.de>
1021
1022         PR fortran/47377
1023         * expr.c (gfc_check_pointer_assign): Reject expr data-targets
1024         without pointer attribute.
1025
1026 2011-01-18  Janus Weil  <janus@gcc.gnu.org>
1027
1028         PR fortran/47240
1029         * resolve.c (expression_rank): Fix rank of procedure poiner components.
1030         * trans-expr.c (gfc_conv_procedure_call): Take care of procedure
1031         pointer components as actual arguments.
1032
1033 2011-01-17  Jakub Jelinek  <jakub@redhat.com>
1034
1035         PR fortran/47331
1036         * gfortran.h (struct gfc_omp_saved_state): New type.
1037         (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
1038         * resolve.c (resolve_global_procedure): Call it around gfc_resolve
1039         call.
1040         * openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
1041         functions.
1042
1043 2011-01-17  Tobias Burnus  <burnus@net-b.de>
1044
1045         PR fortran/47327
1046         * invoke.texi (Options to request or suppress errors
1047         and warnings): Fix cross link.
1048
1049 2011-01-15  Tobias Burnus  <burnus@net-b.de>
1050
1051         * gfortran.texi: Update Fortran 2003 Status section.
1052
1053         PR fortran/47177
1054         * invoke.texi: Add missing "-E" to the -dM example.
1055
1056 2011-01-13  Tobias Burnus  <burnus@net-b.de>
1057
1058         PR fortran/47268
1059         * intrinsic.texi (get_command_argument, get_environment_variable):
1060         Mark arguments as optional in the Arguments section.
1061
1062 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1063             Tobias Burnus  <burnus@net-b.de>
1064
1065         PR fortran/47260
1066         * trans-decl.c (gfc_get_extern_function_decl,
1067         build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
1068         calling decl_attributes.
1069
1070 2011-01-13  Tobias Burnus  <burnus@net-b.de>
1071             Mikael Morin  <mikael@gcc.gnu.org>
1072
1073         PR fortran/45848
1074         PR fortran/47204
1075         * gfortran.h (gfc_code): Move union ext's case_list into
1076         the struct block.
1077         * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
1078         by "block.".
1079         * frontend-passes.c (gfc_code_walker): Ditto.
1080         * match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
1081         gfc_match_type_is, gfc_match_class_is): Ditto.
1082         * resolve.c (resolve_select, resolve_select_type): Ditto.
1083         * st.c (gfc_free_statement): Ditto.
1084         * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
1085         gfc_trans_character_select): Ditto.
1086         * parse.c (resolve_all_program_units): For error recovery, avoid
1087         segfault is proc_name is NULL.
1088
1089 2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
1090
1091         PR fortran/47051
1092         * trans-array.c (gfc_alloc_allocatable_for_assignment): Change
1093         to be standard compliant by testing for shape rather than size
1094         before skipping reallocation. Improve comments.
1095
1096 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
1097
1098         PR fortran/47224
1099         * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
1100         of code.
1101
1102 2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
1103
1104         PR fortran/38536
1105         * resolve.c (is_scalar_expr_ptr):  For a substring reference,
1106         use gfc_dep_compare_expr to compare start and end expession.
1107         Add FIXME for using gfc_deb_compare_expr elsewhere.
1108
1109 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
1110
1111         PR fortran/46313
1112         * class.c (get_unique_type_string): Make type name start with upper
1113         case letter.
1114
1115 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
1116
1117         PR fortran/46405
1118         * invoke.texi:  Mention -ffree-line-length-none and
1119         -ffixed-line-length-none for preprocessing.
1120
1121 2011-01-08  Paul Thomas  <pault@gcc.gnu.org>
1122
1123         PR fortran/46896
1124         * trans-expr.c (gfc_conv_procedure_call): With a non-copying
1125         procedure argument (eg TRANSPOSE) use a temporary if there is
1126         any chance of aliasing due to host or use association.
1127         (arrayfunc_assign_needs_temporary): Correct logic for function
1128         results and do not use a temporary for implicitly PURE
1129         variables.  Use a temporary for Cray pointees.
1130         * symbol.c (gfc_add_save): Explicit SAVE not compatible with
1131         implicit pureness of containing procedure.
1132         * decl.c (match_old_style_init, gfc_match_data): Where decl
1133         would fail in PURE procedure, set implicit_pure to zero.
1134         * gfortran.h : Add implicit_pure to structure symbol_attr and
1135         add prototype for function gfc_implicit_pure.
1136         * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
1137         Where decl would fail in PURE procedure, reset implicit_pure.
1138         * io.c (match_vtag, gfc_match_open, gfc_match_close,
1139         gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
1140         * match.c (gfc_match_critical, gfc_match_stopcode,
1141         sync_statement, gfc_match_allocate, gfc_match_deallocate): The
1142         same.
1143         * parse.c (decode_omp_directive): The same.
1144         (parse_contained): If not PURE, set implicit pure attribute.
1145         * resolve.c (resolve_formal_arglist, resolve_structure_cons,
1146         resolve_function, resolve_ordinary_assign) : The same.
1147         (gfc_implicit_pure): New function.
1148         * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
1149         to ab_attribute enum and use it in this function.
1150
1151 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
1152
1153         PR fortran/45777
1154         * symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
1155         make static and move in front of its only caller, to ...
1156         * trans-array.c (symbols_could_alias): ... here.
1157         Pass information about pointer and target status as
1158         arguments.  Allocatable arrays don't alias anything
1159         unless they have the POINTER attribute.
1160         (gfc_could_be_alias):  Keep track of pointer and target
1161         status when following references.  Also check if typespecs
1162         of components match those of other components or symbols.
1163
1164 2011-01-07  Tobias Burnus  <burnus@net-b.de>
1165
1166         PR fortran/41580
1167         * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
1168         * intrinsic.c (add_functions): Use simplify functions for
1169         EXTENDS_TYPE_OF and SAME_TYPE_AS.
1170         * intrinsic.h (gfc_simplify_extends_type_of,
1171         gfc_simplify_same_type_as): New prototypes.
1172         * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
1173         gfc_simplify_same_type_as): New functions.
1174
1175 2011-01-07  Janus Weil  <janus@gcc.gnu.org>
1176
1177         PR fortran/47189
1178         PR fortran/47194
1179         * gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
1180         * class.c (gfc_class_null_initializer): Initialize _vptr to declared
1181         type.
1182         * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
1183         * resolve.c (resolve_deallocate_expr): _data component will be added
1184         at translation stage.
1185         * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
1186         * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.
1187
1188 2011-01-06  Daniel Franke  <franke.daniel@gmail.com>
1189
1190         PR fortran/33117
1191         PR fortran/46478
1192         * parse.c (parse_interface): Remove check for procedure types.
1193         * interface.c (check_interface0): Verify that procedures are
1194         either all SUBROUTINEs or all FUNCTIONs.
1195
1196 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1197
1198         PR fortran/47180
1199         * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
1200         'vtab' is initialized).
1201
1202 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1203
1204         PR fortran/47180
1205         * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
1206         assignment, set the _vptr component to the declared type.
1207
1208 2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
1209
1210         PR fortran/46017
1211         * resolve.c (resolve_allocate_deallocate): Follow references to
1212         check for duplicate occurence of allocation/deallocation objects.
1213
1214 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1215
1216         PR fortran/47024
1217         * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
1218         of polymorphic allocatables according to their declared type.
1219
1220 2011-01-04  Janus Weil  <janus@gcc.gnu.org>
1221
1222         PR fortran/46448
1223         * class.c (gfc_find_derived_vtab): Set the module field for the copying
1224         routine to make sure it receives module name mangling.
1225
1226 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1227
1228         * gfortranspec.c (lang_specific_driver): Update copyright notice
1229         dates.
1230
1231 2011-01-03  Janus Weil  <janus@gcc.gnu.org>
1232
1233         * intrinsic.texi (LEADZ): Fix example.
1234
1235 2011-01-02  Janus Weil  <janus@gcc.gnu.org>
1236
1237         PR fortran/46408
1238         * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
1239         routine.
1240
1241 \f
1242 Copyright (C) 2011 Free Software Foundation, Inc.
1243
1244 Copying and distribution of this file, with or without modification,
1245 are permitted in any medium without royalty provided the copyright
1246 notice and this notice are preserved.