gcc/fortran/ChangeLog

   1 2011-05-07  Eric Botcazou  <ebotcazou@adacore.com>
   2
   3         * f95-lang.c (global_bindings_p): Return bool and simplify.
   4
   5 2011-05-07  Tobias Burnus  <burnus@net-b.de>
   6
   7         PR fortran/18918
   8         PR fortran/48919
   9         * trans.h: Move gfc_init_coarray_decl prototype ...
  10         * gfortran.h: ... to here.
  11         * parse.c (translate_all_program_units): Call gfc_init_coarray_decl.
  12         (gfc_parse_file): Update translate_all_program_units call.
  13         * trans-decl.c (gfc_init_coarray_decl): Fix variable declaration,
  14         new argument whether DECL_EXTERNAL should be used.
  15         (create_main_function): Update gfc_init_coarray_decl call.
  16         * trans-intrinsic.c (trans_this_image, trans_image_index,
  17         conv_intrinsic_cobound): Ditto.
  18
  19 2011-05-06  Tobias Burnus  <burnus@net-b.de>
  20
  21         PR fortran/18918
  22         * trans-array.c (gfc_walk_variable_expr): Continue walking
  23         for scalar coarrays.
  24         * trans-intrinsic.c (convert_element_to_coarray_ref): New function.
  25         (trans_this_image, trans_image_index, conv_intrinsic_cobound): Use it.
  26         (trans_this_image): Fix algorithm.
  27         * trans-types.c (gfc_get_element_type, gfc_get_array_descriptor_base,
  28         gfc_sym_type): Handle scalar coarrays.
  29
  30 2011-05-06  Tobias Burnus  <burnus@net-b.de>
  31
  32         PR fortran/48858
  33         PR fortran/48820
  34         * lang.opt (std=f2008tr): New.
  35         * libgfortran.h (GFC_STD_F2008_TR): New macro constant.
  36         * decl.c (verify_c_interop_param): Allow OPTIONAL in BIND(C)
  37         procedures for -std=f2008tr/gnu/legacy.
  38         (gfc_match_import): Set sym to NULL.
  39         * options.c (set_default_std_flags,gfc_handle_option): Handle
  40         -std=f2008tr.
  41         * invoke.texi (-std=): Document -std=f2008tr.
  42
  43 2011-05-05  Nathan Froyd  <froydnj@codesourcery.com>
  44
  45         * trans-decl.c (gfc_trans_entry_master_switch): Call build_case_label.
  46         * trans-io.c (add_case): Likewise.
  47         * trans-stmt.c (gfc_trans_integer_select): Likewise.
  48         (gfc_trans_character_select): Likewise.
  49
  50 2011-05-05  Eric Botcazou  <ebotcazou@adacore.com>
  51
  52         * trans-decl.c (trans_function_start): Do not set
  53         dont_save_pending_sizes_p.
  54
  55 2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>
  56
  57         * trans.h (gfc_chainon_list): Delete.
  58         * trans.c (gfc_chainon_list): Delete.
  59
  60 2011-05-04  Tobias Burnus  <burnus@net-b.de>
  61
  62         PR fortran/48864
  63         * invoke.texi (fno-protect-parens): Document
  64         that -Ofast implies -fno-protect-parens.
  65         * options.c (gfc_init_options, gfc_post_options):
  66         Make -Ofast imply -fno-protect-parens.
  67
  68 2011-05-04  Nathan Froyd  <froydnj@codesourcery.com>
  69
  70         * trans-decl.c (build_library_function_decl_1): Call
  71         build_function_type_vec.  Adjust argument list building accordingly.
  72         * trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Likewise.
  73         * trans-types.c (gfc_get_function_type): Likewise.
  74
  75 2011-05-04  Richard Guenther  <rguenther@suse.de>
  76
  77         * trans-array.c (gfc_trans_array_constructor_value): Use
  78         size_int for bounds of range types.
  79         (gfc_trans_array_constructor_value): Use size_type_node
  80         for memcpy argument.
  81         * trans-common.c (build_field): Use gfc_charlen_type_node
  82         for lengths.
  83         * trans-openmp.c (gfc_trans_omp_clauses): Do not pass NULL
  84         as type to build_int_cst.
  85         * trans-const.c (gfc_build_string_const): Use size_int
  86         for bounds of range types.
  87         (gfc_build_wide_string_const): Likewise.
  88         * trans-stmt.c (gfc_trans_label_assign): Use gfc_charlen_type_node
  89         for lengths.
  90         (gfc_trans_character_select): Likewise.
  91         (gfc_trans_character_select): Do not pass NULL
  92         as type to build_int_cst.
  93         (gfc_trans_character_select): Use size_int for bounds of range types.
  94         * trans-io.c (gfc_build_io_library_fndecls): Likewise.
  95         (add_case): Do not pass NULL as type to build_int_cst.
  96         (transfer_expr): Likewise.
  97         (transfer_array_desc): Likewise.
  98         * trans-decl.c (gfc_add_assign_aux_vars): Use gfc_charlen_type_node
  99         for lengths.
 100         (gfc_trans_assign_aux_var): Likewise.
 101         (create_main_function): Use size_int for bounds of range types.
 102         * trans-intrinsic.c (gfc_conv_intrinsic_minmax_char): Do not pass
 103         NULL as type to build_int_cst.
 104         (gfc_conv_intrinsic_spacing): Likewise.
 105         (gfc_conv_intrinsic_rrspacing): Likewise.
 106         (gfc_conv_intrinsic_len): Use gfc_charlen_type_node for lengths.
 107
 108 2011-05-04  Richard Guenther  <rguenther@suse.de>
 109
 110         * trans-types.c (gfc_get_array_type_bounds): Remove zero notrunc
 111         argument to int_const_binop.
 112
 113 2011-05-03  Tobias Burnus  <burnus@net-b.de>
 114
 115         PR fortran/18918
 116         * trans-intrinsic.c (trans_this_image): Implement version with
 117         coarray argument.
 118         (conv_intrinsic_cobound): Simplify code.
 119         (gfc_conv_intrinsic_function): Call trans_this_image for
 120         this_image(coarray) except for -fcoarray=single.
 121
 122 2011-05-02  Steven G. Kargl  <kargl@gcc.gnu.org>
 123
 124         PR fortran/48720
 125         * gfortran.texi: Document the 'Q' exponent-letter extension.
 126         * invoke.texi: Document -Wreal-q-constant.
 127         * lang.opt: Add -Wreal-q-constant option.
 128         * gfortran.h: Add warn_real_q_constant to option struct.
 129         * primary.c (match_real_constant):  Use it.  Accept 'Q' as
 130         exponent-letter for REAL(16) real-literal-constant with a
 131         fallback to REAL(10) or error if REAL(10) is not available.
 132         * options.c (gfc_init_options, set_Wall) Set it.
 133         (gfc_handle_option): Handle new option.
 134
 135 2011-04-30  Thomas Koenig  <tkoenig@gcc.gnu.org>
 136
 137         * dump-prase-tree.c (show_code_node):  Set the current
 138         namespace to the BLOCK before displaying it; restore
 139         afterwards.
 140
 141 2011-04-30  Tobias Burnus  <burnus@net-b.de>
 142
 143         PR fortran/48821
 144         * decl.c (gfc_match_import): Don't try to find the
 145         symbol if already found.
 146
 147 2011-04-30  Paul Thomas  <pault@gcc.gnu.org>
 148
 149         PR fortran/48746
 150         * trans-expr.c (fcncall_realloc_result): Set the bounds and the
 151         offset so that the lbounds are one.
 152         (gfc_trans_arrayfunc_assign): Add rank to arguments of above.
 153
 154 2011-04-29  Paul Thomas  <pault@gcc.gnu.org>
 155
 156         PR fortran/48462
 157         * trans-expr.c (arrayfunc_assign_needs_temporary): Deal with
 158         automatic reallocation when the lhs is a target.
 159
 160         PR fortran/48746
 161         * trans-expr.c (fcncall_realloc_result): Make sure that the
 162         result dtype field is set before the function call.
 163
 164 2011-04-29  Tobias Burnus  <burnus@net-b.de>
 165
 166         PR fortran/48810
 167         * resolve.c (resolve_typebound_generic_call): Don't check access
 168         flags of the specific function.
 169
 170         PR fortran/48800
 171         * resolve.c (resolve_formal_arglist): Don't change AS_DEFERRED
 172         to AS_ASSUMED_SHAPE for function results.
 173         (resolve_fl_var_and_proc): Print also for function results with
 174         AS_DEFERRED an error, if they are not a pointer or allocatable.
 175         (resolve_types): Make sure arguments of procedures in interface
 176         blocks are resolved.
 177
 178 2011-04-29  Michael Matz  <matz@suse.de>
 179
 180         * options.c (options.c): Set warn_maybe_uninitialized.
 181
 182 2011-04-28  Tobias Burnus  <burnus@net-b.de>
 183
 184         PR fortran/48112
 185         * resolve.c (resolve_fl_var_and_proc): Print diagnostic of
 186         function results only once.
 187         (resolve_symbol): Always resolve function results.
 188
 189         PR fortran/48279
 190         * expr.c (gfc_check_vardef_context): Fix handling of generic
 191         EXPR_FUNCTION.
 192         * interface.c (check_interface0): Reject internal functions
 193         in generic interfaces, unless -std=gnu.
 194
 195 2011-04-27  Tobias Burnus  <burnus@net-b.de>
 196
 197         PR fortran/48788
 198         * resolve.c (resolve_global_procedure): Error recovery -
 199         avoid segfault for (non)character-returning functions.
 200
 201 2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 202
 203         * decl.c (gfc_match_end):  Check that the block name starts
 204         with "block@".
 205         * parse.c (gfc_build_block_ns):  Make block names unique by
 206         numbering them.
 207
 208 2011-04-26  Thomas Koenig  <tkoenig@gcc.gnu.org>
 209
 210         * frontend-passes.c (inserted_block):  New variable.
 211         (changed_statement):  Likewise.
 212         (create_var):  Encase statement to be operated on in a BLOCK.
 213         Adjust code insertion for BLOCK.
 214         (cfe_code):  Set inserted_block and changed_statement to NULL.
 215
 216 2011-04-23  Tobias Burnus  <burnus@net-b.de>
 217
 218         PR fortran/18918
 219         * module.c (mio_array_spec): Set as->cotype on reading.
 220         * resolve.c (resolve_allocate_expr): Fix allocating coarray
 221         components.
 222
 223 2011-04-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 224
 225         PR fortran/48405
 226         * frontend_passes (cfe_register_funcs): Remove workaround for DO
 227         loops.
 228         (gfc_code_walker):  Make sure the pointer to the current
 229         statement doen't change when other statements are inserted.
 230
 231 2011-04-21  Tobias Burnus  <burnus@net-b.de>
 232
 233         PR fortran/18918
 234         * array.c (gfc_match_array_spec): Fix maximal rank(+corank) check.
 235
 236 2011-04-20  Jim Meyering  <meyering@redhat.com>
 237
 238         * expr.c (free_expr0): Remove useless if-before-free.
 239         * gfortranspec.c (lang_specific_pre_link): Likewise.
 240         * interface.c (gfc_extend_expr): Likewise.
 241         * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
 242
 243 2011-04-19  Tobias Burnus  <burnus@net-b.de>
 244
 245         PR fortran/48588
 246         PR fortran/48692
 247
 248         * module.c (fix_mio_expr): Commit created symbol.
 249
 250 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 251
 252         * scanner.c (load_file): Use XCNEWVAR instead of xcalloc.
 253
 254 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 255
 256         * frontend-passes.c (gfc_run_passes): Use XDELETEVEC instead of
 257         free.
 258
 259 2011-04-19  Janne Blomqvist  <jb@gcc.gnu.org>
 260
 261         * misc.c (gfc_getmem): Remove function.
 262         * gfortran.h: Remove gfc_getmem prototype. Replace gfc_getmem
 263         usage with XCNEW or XCNEWVEC.
 264         * expr.c (gfc_check_assign_symbol): Replace gfc_getmem usage with
 265         XCNEW or XCNEWVEC.
 266         * options.c (gfc_handle_module_path_options)
 267         (gfc_get_option_string): Likewise.
 268         * resolve.c (gfc_resolve_forall): Likewise.
 269         * simplify.c (simplify_transformation_to_array): Likewise.
 270         * target-memory.c (gfc_target_interpret_expr): Likewise.
 271         * trans-common.c (get_segment_info, copy_equiv_list_to_ns)
 272         (get_init_field): Likewise.
 273         * trans-expr.c (gfc_conv_statement_function): Likewise.
 274         * trans-io.c (nml_full_name): Likewise.
 275         * trans-stmt.c (gfc_trans_forall_1): Likewise.
 276         * scanner.c (load_file): Replace gfc_getmem usage with xcalloc.
 277
 278 2011-04-19  Tobias Burnus  <burnus@net-b.de>
 279
 280         PR fortran/48588
 281         * parse.c (resolve_all_program_units): Skip modules.
 282         (translate_all_program_units): Handle modules.
 283         (gfc_parse_file): Defer code generation for modules.
 284
 285 2011-04-19  Martin Jambor  <mjambor@suse.cz>
 286
 287         * trans-decl.c (gfc_generate_function_code): Call cgraph_create_node
 288         instead of cgraph_get_create_node.
 289
 290 2011-04-18  Jim Meyering  <meyering@redhat.com>
 291
 292         remove now-unused definition of gfc_free
 293         * misc.c (gfc_free): Remove function.
 294         * gfortran.h (gfc_free): Remove its prototype.
 295
 296 2011-04-18  Jim Meyering  <meyering@redhat.com>
 297
 298         convert each use of gfc_free (p) to free (p)
 299         Do that by running this command:
 300           perl -pi -e    's/\bgfc_free ?\(/free (/' \
 301             $(git grep -El '\bgfc_free ?\(')
 302         which also corrects the few uses that lacked a space between
 303         the function name and the open parenthesis.
 304         Manually undo the change to the function definition itself
 305         and its prototype.  They'll be removed next.
 306         * array.c (gfc_free_array_spec, gfc_set_array_spec): s/gfc_free/free/
 307         * constructor.c (node_free): Likewise.
 308         * cpp.c (dump_queued_macros): Likewise.
 309         * data.c (gfc_assign_data_value): Likewise.
 310         * decl.c (free_variable, free_value, gfc_free_data): Likewise.
 311         (gfc_free_data_all, match_old_style_init): Likewise.
 312         (gfc_set_constant_character_len, gfc_free_enum_history, NUM_DECL):
 313         Likewise.
 314         (gfc_match_modproc): Likewise.
 315         * dependency.c (check_section_vs_section): Likewise.
 316         * error.c (gfc_pop_error, gfc_free_error): Likewise.
 317         * expr.c (free_expr0, gfc_free_expr, gfc_free_actual_arglist): Likewise.
 318         (gfc_free_ref_list, gfc_replace_expr, gfc_copy_ref): Likewise.
 319         (find_substring_ref, gfc_simplify_expr, gfc_check_assign_symbol):
 320         Likewise.
 321         * frontend-passes.c (gfc_run_passes, cfe_expr_0): Likewise.
 322         (strip_function_call, optimize_comparison): Likewise.
 323         * interface.c (gfc_free_interface, arginfo, check_interface0): Likewise.
 324         (CHECK_OS_COMPARISON, gfc_extend_assign, gfc_free_formal_arglist):
 325         Likewise.
 326         * intrinsic.c (gfc_intrinsic_done_1, gfc_convert_type_warn): Likewise.
 327         (gfc_convert_chartype): Likewise.
 328         * io.c (gfc_free_open, compare_to_allowed_values, gfc_free_close):
 329         Likewise.
 330         (gfc_free_filepos, gfc_free_dt, gfc_free_inquire): Likewise.
 331         * match.c (gfc_free_iterator, gfc_match_associate): Likewise.
 332         (gfc_free_alloc_list, gfc_free_namelist, gfc_free_equiv_until):
 333         Likewise.
 334         (free_case, gfc_free_forall_iterator): Likewise.
 335         * misc.c: Likewise.
 336         * module.c (free_pi_tree, resolve_fixups, free_rename): Likewise.
 337         (free_true_name, peek_atom, mio_allocated_wide_string): Likewise.
 338         (mio_pool_string, mio_internal_string, mio_gmp_integer): Likewise.
 339         (mio_gmp_real, mio_expr, mio_typebound_proc): Likewise.
 340         (mio_full_typebound_tree, skip_list, load_equiv): Likewise.
 341         (free_written_common, gfc_use_module, gfc_free_use_stmts): Likewise.
 342         * openmp.c (gfc_free_omp_clauses): Likewise.
 343         * options.c (gfc_post_options): Likewise.
 344         * parse.c (select_type_pop, parse_omp_structured_block): Likewise.
 345         * primary.c (gfc_free_structure_ctor_component): Likewise.
 346         * resolve.c (resolve_structure_cons, check_host_association): Likewise.
 347         (gfc_resolve_forall, resolve_equivalence): Likewise.
 348         * scanner.c (gfc_scanner_done_1, gfc_release_include_path): Likewise.
 349         (gfc_define_undef_line, preprocessor_line, include_line): Likewise.
 350         (load_file, gfc_read_orig_filename): Likewise.
 351         * simplify.c (simplify_transformation_to_array): Likewise.
 352         (gfc_simplify_ibits, simplify_shift, gfc_simplify_ishftc, STRING):
 353         Likewise.
 354         (gfc_simplify_compiler_options): Likewise.
 355         * st.c (gfc_free_statement, gfc_free_statements): Likewise.
 356         (gfc_free_association_list): Likewise.
 357         * symbol.c (free_components, gfc_free_st_label, free_st_labels):
 358         Likewise.
 359         (gfc_delete_symtree, gfc_free_symbol, gfc_undo_symbols): Likewise.
 360         (free_old_symbol, gfc_commit_symbols, free_tb_tree): Likewise.
 361         (free_common_tree, free_uop_tree, free_sym_tree): Likewise.
 362         (gfc_free_dt_list, gfc_free_equiv_infos, gfc_free_equiv_lists):
 363         Likewise.
 364         (gfc_free_finalizer, gfc_free_charlen, free_entry_list): Likewise.
 365         (gfc_free_namespace): Likewise.
 366         * trans-array.c (gfc_free_ss, gfc_trans_array_bound_check): Likewise.
 367         (gfc_conv_array_ref, gfc_conv_ss_startstride): Likewise.
 368         (gfc_trans_dummy_array_bias, gfc_conv_array_parameter): Likewise.
 369         * trans-common.c (get_init_field, create_common): Likewise.
 370         * trans-const.c (gfc_build_wide_string_const): Likewise.
 371         (gfc_conv_string_init): Likewise.
 372         * trans-decl.c (gfc_generate_function_code): Likewise.
 373         * trans-expr.c (gfc_conv_substring, gfc_free_interface_mapping):
 374         Likewise.
 375         (SCALAR_POINTER, gfc_conv_statement_function): Likewise.
 376         (gfc_trans_subarray_assign): Likewise.
 377         * trans-intrinsic.c (conv_generic_with_optional_char_arg): Likewise.
 378         * trans-io.c (gfc_trans_io_runtime_check, set_string): Likewise.
 379         (transfer_namelist_element, transfer_array_component): Likewise.
 380         * trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
 381         * trans-stmt.c (cleanup_forall_symtrees, gfc_trans_forall_1): Likewise.
 382         * trans.c (trans_runtime_error_vararg, gfc_restore_backend_locus):
 383         Likewise.
 384
 385 2011-04-15  Jim Meyering  <meyering@redhat.com>
 386
 387         gfortran: remove cpp definition of free, ...
 388         in preparation for the s/gfc_free/free/ transformation.
 389         * gfortran.h (free): Remove macro definition that would otherwise
 390         prevent direct use of the function.
 391
 392 2011-04-18  Tobias Burnus  <burnus@net-b.de>
 393
 394         PR fortran/18918
 395         * array.c (gfc_match_array_ref): Check for too many codimensions.
 396         * check.c (gfc_check_image_index): Check number of elements
 397         in SUB argument.
 398         * simplify.c (gfc_simplify_image_index): Remove unreachable checks.
 399
 400 2011-04-18  Tobias Burnus  <burnus@net-b.de>
 401
 402         PR fortran/18918
 403         * iresolve.c (gfc_resolve_image_index): Set ts.type.
 404         * simplify.c (gfc_simplify_image_index): Don't abort if the bounds
 405         are not known at compile time and handle -fcoarray=lib.
 406         * trans-intrinsics.c (gfc_conv_intrinsic_function): Handle
 407         IMAGE_INDEX.
 408         (conv_intrinsic_cobound): Fix comment typo.
 409         (trans_this_image): New function.
 410         * trans-array.c (gfc_unlikely): Move to trans.c.
 411         * trans.c (gfc_unlikely): Function moved from trans-array.c.
 412         (gfc_trans_runtime_check): Use it.
 413         * trans-io.c (gfc_trans_io_runtime_check): Ditto.
 414         * trans.h (gfc_unlikely): Add prototype.
 415
 416 2011-04-18  Paul Thomas  <pault@gcc.gnu.org>
 417
 418         PR fortran/48462
 419         * trans-expr.c (fcncall_realloc_result): Renamed version of
 420         realloc_lhs_bounds_for_intrinsic_call that does not touch the
 421         descriptor bounds anymore but makes a temporary descriptor to
 422         hold the result.
 423         (gfc_trans_arrayfunc_assign): Modify the reference to above
 424         renamed function.
 425
 426 2011-05-17  Tobias Burnus  <burnus@net-b.de>
 427
 428         PR fortran/48624
 429         * trans-decl.c (gfc_get_extern_function_decl): Fix decl
 430         for external procedures with proc arguments.
 431
 432 2011-04-15  Michael Matz  <matz@suse.de>
 433
 434         * trans-array.c (toplevel): Include gimple.h.
 435         (gfc_trans_allocate_array_storage): Check flag_stack_arrays,
 436         properly expand variable length arrays.
 437         (gfc_trans_auto_array_allocation): If flag_stack_arrays create
 438         variable length decls and associate them with their scope.
 439         * gfortran.h (gfc_option_t): Add flag_stack_arrays member.
 440         * options.c (gfc_init_options): Handle -fstack_arrays option.
 441         * lang.opt (fstack-arrays): Add option.
 442         * invoke.texi (Code Gen Options): Document it.
 443         * Make-lang.in (trans-array.o): Depend on GIMPLE_H.
 444
 445 2011-04-15  Tobias Burnus  <burnus@net-b.de>
 446
 447         PR fortran/18918
 448         * trans-intrinsic.c (conv_intrinsic_cobound): Remove unused
 449         code which is also causing an ICE.
 450
 451 2011-04-14  Nathan Froyd  <froydnj@codesourcery.com>
 452
 453         * f95-lang.c (poplevel): Use BLOCK_CHAIN and block_chainon.
 454
 455 2011-04-12  Nathan Froyd  <froydnj@codesourcery.com>
 456
 457         * f95-lang.c (union lang_tree_node): Check for TS_COMMON before
 458         calling TREE_CHAIN.
 459
 460 2011-04-12  Paul Thomas  <pault@gcc.gnu.org>
 461
 462         PR fortran/48360
 463         PR fortran/48456
 464         * trans-array.c (get_std_lbound): For derived type variables
 465         return array valued component lbound.
 466
 467 2011-04-12  Martin Jambor  <mjambor@suse.cz>
 468
 469         * trans-decl.c (gfc_generate_function_code): Call
 470         cgraph_get_create_node instead of cgraph_node.
 471
 472 2011-04-11  Tobias Burnus  <burnus@net-b.de>
 473
 474         PR fortran/18918
 475         * simplify.c (simplify_bound_dim): Exit for
 476         ucobound's last dimension unless -fcoarray=single.
 477         * trans-array (gfc_conv_descriptor_size_1): Renamed from
 478         gfc_conv_descriptor_size, made static, has now from_dim and
 479         to_dim arguments.
 480         (gfc_conv_descriptor_size): Call gfc_conv_descriptor_size.
 481         (gfc_conv_descriptor_cosize): New function.
 482         * trans-array.h (gfc_conv_descriptor_cosize): New prototype.
 483         * trans-intrinsic.c (conv_intrinsic_cobound): Add input_location
 484         and handle last codim of ucobound for when -fcoarray is not "single".
 485
 486 2011-04-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 487
 488         PR fortran/48448
 489         * gfortran.h (gfc_option_t):  Add warn_function_elimination and
 490         flag_frontend_optimize.
 491         * lang.opt (Wfunction-elimination):  Add.
 492         (ffrontend-optimize):  Add.
 493         * invoke.texi:  Add documentation for -Wfunction-elimination
 494         and -ffrontend-optimize.  Add -faggressive-function-elimination
 495         to list of code generation options.
 496         * frontend-passes.c (gfc_run_passes):  Run optimizations if
 497         flag_frontend_optimize is set.
 498         (warn_function_elimination):  New function.
 499         (cfe_expr_0):  Call it if requested to do so.
 500         * options.c (gfc_init_options):  Initiate warn_function_elimination
 501         and flag_frontend_optimize.
 502         (gfc_post_options):  Set flag_frontend_optimize if not specified
 503         by user, depending on the optimization level.
 504         (gfc_handle_option):  Handle -Wfunction-elimination and
 505         -ffrontend-optimize.
 506
 507 2011-04-06  Tobias Burnus  <burnus@net-b.de>
 508
 509         PR fortran/18918
 510         * trans-intrinsic.c (gfc_conv_intrinsic_function): Fix
 511         call for this_image.
 512
 513 2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>
 514
 515         * trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use
 516         build_function_type_list instead of build_function_type.  Correct
 517         argument order for func_frexp and func_scalbn.
 518
 519 2011-04-05  Duncan Sands  <baldrick@free.fr>
 520
 521         * f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.
 522
 523 2010-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
 524
 525         * frontend-passes: (optimize_lexical_comparison): New function.
 526         (optimize_expr): Call it.
 527         (optimize_comparison): Also handle lexical comparison functions.
 528         Return false instad of -2 for unequal comparison.
 529
 530 2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
 531
 532         PR fortran/48412
 533         * frontend-passes (cfe_expr_0):  Reverse the order of going
 534         through the loops.
 535
 536 2011-04-04  Tobias Burnus  <burnus@net-b.de>
 537             Mikael Morin  <mikael.morin@sfr.fr>
 538
 539         PR fortran/18918
 540         * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
 541         * expr.c (gfc_is_coindexed): Ditto.
 542         * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
 543         * interface.c (compare_parameter): Use gfc_expr_attr and
 544         gfc_is_coindexed.
 545         * resolve.c (check_dimension, compare_spec_to_ref,
 546         resolve_allocate_expr, check_data_variable): Update for
 547         DIMEN_THIS_IMAGE.
 548         * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
 549         gfc_simplify_ucobound): Allow non-constant bounds.
 550         * trans-array.c (gfc_set_loop_bounds_from_array_spec,
 551         gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
 552         gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
 553         gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
 554         gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
 555         gfc_conv_ss_startstride, gfc_conv_loop_setup,
 556         gfc_trans_array_bounds, gfc_conv_expr_descriptor,
 557         gfc_walk_variable_expr): Handle codimen.
 558         * trans-decl.c (gfc_build_qualified_array): Save cobounds.
 559         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
 560         (conv_intrinsic_cobound): New function.
 561         (gfc_conv_intrinsic_function): Call it.
 562         (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
 563         ucobound, lcobound, this_image.
 564         * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
 565         (gfc_get_dtype): Honour corank.
 566         (gfc_get_nodesc_array_type): Save corank and codimensions.
 567         (gfc_get_array_type_bounds): Save cobound.
 568         * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
 569         (gfc_array_kind): Add corank item.
 570         (GFC_TYPE_ARRAY_CORANK): New macro.
 571
 572 2011-04-03  Kai Tietz  <ktietz@redhat.com>
 573
 574         PR middle-end/48422
 575         * Make-lang.in (f95-lang.o): Add some missing dependencies.
 576
 577 2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
 578
 579         PR fortran/48352
 580         * frontend-passes (cfe_register_funcs):  Don't
 581         register functions if they appear as iterators in DO loops.
 582
 583 2011-03-30  Michael Matz  <matz@suse.de>
 584
 585         PR fortran/47516
 586         * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
 587         don't use local variable.
 588         (gfc_trans_arrayfunc_assign): Adjust caller.
 589
 590 2011-03-29  Janus Weil  <janus@gcc.gnu.org>
 591
 592         PR fortran/48095
 593         * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
 594         * module.c (MOD_VERSION): Bump.
 595         (mio_typespec): Read/write 'interface' field.
 596         * primary.c (match_string_constant,match_logical_constant): Remove
 597         unneeded code.
 598         (match_complex_constant): Make sure to clear the typespec.
 599
 600 2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 601
 602         * frontend-passes.c (create_var):  Warn about creating an
 603         array temporary if requested.
 604
 605 2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
 606
 607         PR fortran/47065
 608         * frontend-passes.c (optimize_trim): Also follow references, except
 609         when they are substring references or array references.
 610
 611 2011-03-27  Tobias Burnus  <burnus@net-b.de>
 612
 613         PR fortran/18918
 614         * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
 615         GFC_ISYM_NUM_IMAGES.
 616         (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
 617         * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
 618         rename.
 619         * invoke.texi (-fcoarray=): Document "lib" argument.
 620         * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
 621         * libgfortran.h (libgfortran_stat_codes): Add comments.
 622         * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
 623         * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
 624         Handle GFC_FCOARRAY_LIB.
 625         * trans.h (gfc_init_coarray_decl): New prototype.
 626         (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
 627         gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
 628         gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
 629         gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
 630         gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
 631         New global variables.
 632         * trans-decl.c: Declare several CAF functions (cf. above).
 633         (gfc_build_builtin_function_decls): Initialize those.
 634         (gfc_init_coarray_decl): New function.
 635         (create_main_function): Call CAF init/finalize functions.
 636         * trans-intrinsic.c (trans_this_image, trans_num_images): New.
 637         (gfc_conv_intrinsic_function): Call those.
 638         * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
 639         Add code for GFC_FCOARRAY_LIB.
 640
 641 2011-03-26  Janus Weil  <janus@gcc.gnu.org>
 642
 643         PR fortran/48291
 644         * class.c (get_unique_hashed_string): Adjust maximum allowable length
 645         for unique type string.
 646
 647 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 648
 649         * scanner.c (preprocessor_line): Use filename_cmp
 650         instead of strcmp.
 651
 652 2011-03-25  Tobias Burnus  <burnus@net-b.de>
 653
 654         PR fortran/48174
 655         PR fortran/45304
 656         * trans-types.c (gfc_get_function_type): Don't use varargs if the
 657         procedure is known to have no arguments.
 658
 659 2010-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 660
 661         PR fortran/22572
 662         * gfortran.h (gfc_option_t) : Add
 663         flag_aggressive_function_elimination.
 664         (gfc_dep_compare_functions):  Add prototype.
 665         * lang.opt: Add faggressive-function-elimination.
 666         * invoke.texi: Document -faggressive-function-elimination.
 667         * frontend_passes (expr_array):  New static variable.
 668         (expr_size):  Likewise.
 669         (expr_count):  Likewise.
 670         (current_code):  Likewise.
 671         (current_ns):  Likewise.
 672         (gfc_run_passes):  Allocate and free space for expressions.
 673         (cfe_register_funcs):  New function.
 674         (create_var):  New function.
 675         (cfc_expr_0):  New function.
 676         (cfe_code):  New function.
 677         (optimize_namespace):  Invoke gfc_code_walker with cfe_code
 678         and cfe_expr_0.
 679         * dependency.c (gfc_dep_compare_functions):  New function.
 680         (gfc_dep_compare_expr):  Use it.
 681         * options.c (gfc_init_options):  Handle
 682         flag_aggressive_function_elimination.
 683         (gfc_handle_option):  Likewise.
 684
 685 2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 686
 687         * arith.c (arith_power): Plug memory leak.
 688
 689 2011-03-12  Janus Weil  <janus@gcc.gnu.org>
 690
 691         PR fortran/48059
 692         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
 693         for polymorphic arguments.
 694
 695 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 696
 697         PR fortran/48054
 698         * intrinsic.texi: Clarify doc of logarithm functions.
 699
 700 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 701
 702         PR fortran/47552
 703         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
 704         the string length variable.
 705
 706 2011-03-11  Janus Weil  <janus@gcc.gnu.org>
 707
 708         PR fortran/47768
 709         * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
 710         (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.
 711
 712 2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
 713             Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 714
 715         PR fortran/47850
 716         * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
 717         the expression has an iterator.  Otherwise, iterate through the
 718         array, checking for constant expressions for each element.
 719
 720 2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
 721
 722         PR libfortran/47802
 723         * intrinsic.texi: Update CTIME and FDATE documentation.
 724
 725 2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 726
 727         * invoke.texi (Option Summary, Fortran Dialect Options)
 728         (Preprocessing Options, Runtime Options, Code Gen Options):
 729         Fix vertical list spacing by using @itemx for additinoal
 730         items, empty line before @table.  Fix typos.
 731
 732 2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 733
 734         PR fortran/47894
 735         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 736
 737 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 738
 739         PR fortran/47846
 740         * trans-stmt.c (gfc_trans_allocate): Fix allocation with
 741         type-spec of deferred-length strings.
 742
 743 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 744
 745         PR fortran/47886
 746         * openmp.c (gfc_resolve_omp_directive): Resolve if()
 747         condition of OpenMP's task.
 748
 749 2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 750
 751         PR fortran/47894
 752         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 753
 754 2011-02-24  Tobias Burnus  <burnus@net-b.de>
 755
 756         PR fortran/47872
 757         * intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
 758         multitable for linebreak between different syntax variants.
 759
 760 2011-02-24  Richard Guenther  <rguenther@suse.de>
 761
 762         PR fortran/47839
 763         * f95-lang.c (pushdecl): For externs in non-global scope push
 764         a copy of the decl into the BLOCK.
 765
 766 2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>
 767
 768         PR fortran/40850
 769         * trans.c (gfc_prepend_expr_to_block): New function.
 770         * trans.h (gfc_prepend_expr_to_block): Declare.
 771         * trans-array.c (gfc_conv_array_parameter): Replace
 772         gfc_add_expr_to_block with gfc_prepend_expr_to_block.
 773
 774 2011-02-22  Paul Thomas  <pault@gcc.gnu.org>
 775
 776         PR fortran/45743
 777         * trans-decl.c (gfc_get_extern_function_decl): Don't use the
 778         gsymbol backend_decl if the procedure has a formal argument
 779         that is a procedure.
 780
 781 2011-02-22  Tobias Burnus  <burnus@net-b.de>
 782
 783         PR fortran/41359
 784         * trans-stmt.c (gfc_trans_if_1): Use correct line for
 785         expressions in the if condition.
 786
 787 2011-02-20  Tobias Burnus  <burnus@net-b.de>
 788
 789         PR fortran/47797
 790         * trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
 791         gfc_restore_backend_locus to have better debug locations.
 792         * trans-array.c (gfc_trans_deferred_array): Ditto.
 793
 794 2011-02-20  Paul Thomas  <pault@gcc.gnu.org>
 795
 796         PR fortran/45077
 797         PR fortran/44945
 798         * trans-types.c (gfc_get_derived_type): Remove code that looks
 799         for decls in gsym and add call to gfc_get_module_backend_decl.
 800         * trans.h : Add prototype for gfc_get_module_backend_decl.
 801         * trans-decl.c (gfc_get_module_backend_decl): New function.
 802         (gfc_get_symbol_decl): Call it.
 803
 804 2011-02-19  Paul Thomas  <pault@gcc.gnu.org>
 805
 806         PR fortran/47348
 807         * trans-array.c (get_array_ctor_all_strlen): Move up in file.
 808         (get_array_ctor_var_strlen): Add block dummy and add call to
 809         get_array_ctor_all_strlen instead of giving up on substrings.
 810         Call gcc_unreachable for default case.
 811         (get_array_ctor_strlen): Add extra argument to in call to
 812         get_array_ctor_var_strlen.
 813
 814 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 815
 816         PR fortran/47789
 817         * primary.c (gfc_match_structure_constructor): Handle empty parent
 818         types.
 819
 820 2011-02-18  Tobias Burnus
 821
 822         PR fortran/47775
 823         * trans-expr.c (arrayfunc_assign_needs_temporary): Use
 824         esym to check whether the specific procedure returns an
 825         allocatable or pointer.
 826
 827 2011-02-18  Michael Matz  <matz@suse.de>
 828
 829         PR fortran/45586
 830         * gfortran.h (struct gfc_component): Add norestrict_decl member.
 831         * trans.h (struct lang_type): Add nonrestricted_type member.
 832         * trans-expr.c (gfc_conv_component_ref): Search fields with correct
 833         parent type.
 834         * trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
 835         (gfc_sym_type): Use it.
 836
 837 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 838
 839         PR fortran/47768
 840         * resolve.c (resolve_transfer): Reject variables with procedure pointer
 841         components.
 842
 843 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 844
 845         PR fortran/47767
 846         * gfortran.h (gfc_check_access): Removed prototype.
 847         (gfc_check_symbol_access): Added prototype.
 848         * module.c (gfc_check_access): Renamed to 'check_access', made static.
 849         (gfc_check_symbol_access): New function, basically a shortcut for
 850         'check_access'.
 851         (write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
 852         'gfc_check_symbol_access'.
 853         (write_operator,write_module): Renamed 'gfc_check_access'.
 854         * resolve.c (resolve_fl_procedure,resolve_fl_derived,
 855         resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
 856         'gfc_check_symbol_access'.
 857
 858 2011-02-16  Janus Weil  <janus@gcc.gnu.org>
 859
 860         PR fortran/47745
 861         * class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
 862         * decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
 863         'gfc_build_class_symbol'.
 864         (gfc_match_decl_type_spec): Reject unlimited polymorphism.
 865         * interface.c (matching_typebound_op): Check for 'class_ok' attribute.
 866         * match.c (select_type_set_tmp): Move setting of 'class_ok' into
 867         'gfc_build_class_symbol'.
 868         * primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
 869
 870 2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 871
 872         PR fortran/47633
 873         . simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.
 874
 875 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 876
 877         PR fortran/47730
 878         * parse.c (gfc_build_block_ns): Commit 'block@' symbol.
 879
 880 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 881
 882         PR fortran/47728
 883         * class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
 884         arrays.
 885         * primary.c (gfc_match_varspec): Avoid ICE for invalid class
 886         declaration.
 887
 888 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 889
 890         PR fortran/47349
 891         * interface.c (get_expr_storage_size): Handle derived-type components.
 892
 893 2011-02-13  Tobias Burnus  <burnus@net-b.de>
 894
 895         PR fortran/47569
 896         * interface.c (compare_parameter): Avoid ICE with
 897         character components.
 898
 899 2011-02-12  Janus Weil  <janus@gcc.gnu.org>
 900
 901         * class.c (gfc_build_class_symbol): Reject polymorphic arrays.
 902         * decl.c (build_sym,build_struct,attr_decl1): Use return value of
 903         'gfc_build_class_symbol'.
 904
 905 2011-02-12  Michael Matz  <matz@suse.de>
 906             Janus Weil  <janus@gcc.gnu.org>
 907             Tobias Burnus  <burnus@net-b.de>
 908
 909         PR fortran/45586
 910         * trans-expr.c (conv_parent_component_references): Avoid unintendent
 911         skipping of parent compounds.
 912
 913 2011-02-11  Tobias Burnus  <burnus@net-b.de>
 914
 915         PR fortran/47550
 916         * resolve.c (resolve_formal_arglist): PURE with VALUE
 917         and no INTENT: Add -std= diagnostics.
 918
 919 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 920
 921         PR fortran/47352
 922         * resolve.c (resolve_procedure_interface): If interface has a result
 923         variable, copy the typespec and set result pointer to self.
 924
 925 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 926
 927         PR fortran/47463
 928         * resolve.c (resolve_typebound_subroutine): Remove erroneous line.
 929
 930 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 931
 932         PR fortran/47637
 933         * trans-decl.c (init_intent_out_dt): Handle CLASS arguments.
 934
 935 2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 936
 937         * io.c (match_io_element): Do not set dt if not inquire.
 938
 939 2011-02-08  Janus Weil  <janus@gcc.gnu.org>
 940
 941         PR fortran/45290
 942         * expr.c (gfc_check_assign_symbol): Reject pointers as pointer
 943         initialization target.
 944
 945 2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
 946             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 947
 948         * gfortran.texi (Thread-safety): texinfo styling fixes.
 949         * intrinsic.texi: Likewise.
 950
 951 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 952
 953         * gfortran.texi (Compiler Characteristics): Add reference to
 954         thread-safety section.
 955
 956 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 957
 958         * gfortran.texi (Thread-safety): New section.
 959         * intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
 960         (GETENV): Likewise.
 961         (GET_ENVIRONMENT_VARIABLE): Likewise.
 962         (SYSTEM): Likewise.
 963
 964 2011-02-06  Paul Thomas  <pault@gcc.gnu.org>
 965
 966         PR fortran/47592
 967         * trans-stmt.c (gfc_trans_allocate): For deferred character
 968         length allocations with SOURCE, store to the values and string
 969         length to avoid calculating twice.  Replace gfc_start_block
 970         with gfc_init_block to avoid unnecessary contexts and to keep
 971         declarations of temporaries where they should be. Tidy up the
 972         code a bit.
 973
 974 2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
 975
 976         PR fortran/42434
 977         * intrinsic.texi (SYSTEM_CLOCK): Update documentation.
 978
 979 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 980             Paul Thomas  <pault@gcc.gnu.org>
 981
 982         PR fortran/47082
 983         * trans-expr.c (gfc_trans_class_init_assign): Add call to
 984         gfc_get_derived_type.
 985         * module.c (read_cleanup): Do not use unique_symtrees for vtabs
 986         or vtypes.
 987
 988 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 989
 990         PR fortran/47572
 991         * resolve.c (resolve_fl_variable): Handle polymorphic allocatables.
 992
 993 2011-02-01  Janus Weil  <janus@gcc.gnu.org>
 994
 995         PR fortran/47565
 996         * trans-expr.c (gfc_conv_structure): Handle constructors for procedure
 997         pointer components with allocatable result.
 998
 999 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
1000
1001         PR fortran/47455
1002         * trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
1003         with pointer or allocatable result.
1004
1005 2011-01-31  Paul Thomas  <pault@gcc.gnu.org>
1006
1007         PR fortran/47519
1008         * trans-stmt.c (gfc_trans_allocate): Improve handling of
1009         deferred character lengths with SOURCE.
1010         * iresolve.c (gfc_resolve_repeat): Calculate character
1011         length from source length and ncopies.
1012         * dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
1013         expressions for ALLOCATE.
1014
1015 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
1016
1017         PR fortran/47463
1018         * resolve.c (resolve_typebound_subroutine): Bug fix for the case of
1019         an argument of a typebound assignment being a component.
1020
1021 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1022
1023         * gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
1024         LD_STATIC_OPTION, LD_DYNAMIC_OPTION.
1025
1026 2011-01-31  Tobias Burnus  <burnus@net-b.de>
1027
1028         PR fortran/47042
1029         * resolve.c (resolve_fl_procedure): Reject stmt functions
1030         with pointer/allocatable attribute.
1031
1032 2011-01-31  Tobias Burnus  <burnus@net-b.de>
1033
1034         PR fortran/47042
1035         * interface.c (gfc_procedure_use): Add explicit interface check for
1036         pointer/allocatable functions.
1037
1038 2011-01-30  Paul Thomas  <pault@gcc.gnu.org>
1039
1040         PR fortran/47523
1041         * trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
1042         expr and is assigned to a deferred character length scalar,
1043         make sure that the function is called before reallocation,
1044         so that the length is available. Include procedure pointer
1045         and procedure pointer component rhs as well.
1046
1047         PR fortran/45170
1048         PR fortran/35810
1049         PR fortran/47350
1050         * gfortran.dg/allocatable_function_5.f90: New test not added by
1051         mistake on 2011-01-28.
1052
1053 2011-01-29  Tobias Burnus  <burnus@net-b.de>
1054
1055         PR fortran/47531
1056         * check.c (gfc_check_shape): Support kind argument in SHAPE.
1057         * intrinsic.c (add_functions): Ditto.
1058         * resolve.c (gfc_resolve_shape): Ditto.
1059         * simplify.c (gfc_simplify_shape): Ditto.
1060         * intrinsic.h (gfc_check_shape, gfc_resolve_shape,
1061         gfc_simplify_shape): Update prototypes.
1062         * intrinisc.text (SHAPE): Document kind argument.
1063
1064 2011-01-28  Tobias Burnus  <burnus@net-b.de>
1065
1066         PR fortran/47507
1067         * resolve.c (resolve_formal_arglist): Allow arguments with VALUE
1068         attribute also without INTENT.
1069
1070 2011-01-28  Tobias Burnus  <burnus@net-b.de>
1071
1072         * gfortran.texi (Fortran 2003 status): Mention support for
1073         nonconstant namelist variables.
1074
1075 2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
1076             Tobias Burnus  <burnus@gcc.gnu.org>
1077
1078         PR fortran/45170
1079         PR fortran/35810
1080         PR fortran/47350
1081         * interface.c (compare_actual_formal): An allocatable or pointer
1082         deferred length actual is only allowed if the formal argument
1083         is also deferred length. Clean up whitespace.
1084         * trans-expr.c (gfc_conv_procedure_call): Pass string length for
1085         deferred character length formal arguments by reference. Do the
1086         same for function results.
1087         (gfc_trans_pointer_assignment): Do not do runtime check of lhs
1088         and rhs character lengths, if deferred length lhs.  In this case
1089         set the lhs character length to that of the rhs.
1090         (gfc_conv_string_parameter): Remove assert that string length is
1091         an integer type.
1092         (is_scalar_reallocatable_lhs): New function.
1093         (alloc_scalar_allocatable_for_assignment): New function.
1094         (gfc_trans_assignment_1): Call above new function. If the rhs is
1095         a deferred character length itself, makes ure that the function
1096         is called before reallocation, so that the length is available.
1097         (gfc_trans_asssignment): Remove error about assignment to
1098         deferred length character variables.
1099         * gfortran.texi : Update entry about (re)allocation on
1100         assignment.
1101         * trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
1102         length character variables.
1103         * module.c (mio_typespec): Transfer deferred characteristic.
1104         * trans-types.c (gfc_get_function_type): New code to generate
1105         hidden typelist, so that those character lengths that are
1106         passed by reference get the right type.
1107         * resolve.c (resolve_contained_fntype): Supress error for
1108         deferred character length functions.
1109         (resolve_function, resolve_fl_procedure) The same.
1110         (check_symbols): Remove the error that support for
1111         entity with deferred type parameter is not yet implemented.
1112         (resolve_fl_derived): The same.
1113         match.c (alloc_opt_list): Allow MOLD for deferred length object.
1114         * trans-decl.c (gfc_get_symbol_decl): For deferred character
1115         length dummies, generate a local variable for string length.
1116         (create_function_arglist): Hidden length can be a pointer.
1117         (gfc_trans_deferred_vars): For deferred character length
1118         results and dummies, assign the string length to the local
1119         variable from the hidden argument on entry and the other way
1120         round on exit, as appropriate.
1121
1122 2011-01-27  Tobias Burnus  <burnus@net-b.de>
1123
1124         PR fortran/47474
1125         * trans-decl.c (gfc_generate_function_code): Fix init
1126         of allocatable result variable with allocatable components.
1127
1128 2011-01-27  Tobias Burnus  <burnus@net-b.de>
1129
1130         PR fortran/47472
1131         * options.c (gfc_handle_module_path_options): Save
1132         module path without trailing slash as include path.
1133
1134 2011-01-25  Tobias Burnus  <burnus@net-b.de>
1135
1136         PR fortran/47448
1137         * interface.c (gfc_check_operator_interface): Fix
1138         defined-assignment check.
1139
1140 2011-01-23  Tobias Burnus  <burnus@net-b.de>
1141
1142         PR fortran/47421
1143         * trans-decl.c (gfc_trans_deferred_vars): Do not nullify
1144         scalar allocatable dummy arguments.
1145
1146 2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
1147
1148         PR fortran/38536
1149         * resolve.c (gfc_iso_c_func_interface):  For C_LOC,
1150         check for array sections followed by component references
1151         which are illegal.  Also check for coindexed arguments.
1152
1153 2011-01-22  Tobias Burnus  <burnus@net-b.de>
1154
1155         PR fortran/47399
1156         * primary.c (gfc_match_varspec): Relax gcc_assert to allow for
1157         PARAMETER TBP.
1158
1159 2011-01-21  Tobias Burnus  <burnus@net-b.de>
1160
1161         PR fortran/47394
1162         * error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
1163         Use defined instead of magic number exit status codes.
1164         * scanner.c (include_line, gfc_new_file): Ditto.
1165
1166 2011-01-21  Tobias Burnus  <burnus@net-b.de>
1167
1168         PR fortran/47377
1169         * expr.c (gfc_check_pointer_assign): Reject expr data-targets
1170         without pointer attribute.
1171
1172 2011-01-18  Janus Weil  <janus@gcc.gnu.org>
1173
1174         PR fortran/47240
1175         * resolve.c (expression_rank): Fix rank of procedure poiner components.
1176         * trans-expr.c (gfc_conv_procedure_call): Take care of procedure
1177         pointer components as actual arguments.
1178
1179 2011-01-17  Jakub Jelinek  <jakub@redhat.com>
1180
1181         PR fortran/47331
1182         * gfortran.h (struct gfc_omp_saved_state): New type.
1183         (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
1184         * resolve.c (resolve_global_procedure): Call it around gfc_resolve
1185         call.
1186         * openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
1187         functions.
1188
1189 2011-01-17  Tobias Burnus  <burnus@net-b.de>
1190
1191         PR fortran/47327
1192         * invoke.texi (Options to request or suppress errors
1193         and warnings): Fix cross link.
1194
1195 2011-01-15  Tobias Burnus  <burnus@net-b.de>
1196
1197         * gfortran.texi: Update Fortran 2003 Status section.
1198
1199         PR fortran/47177
1200         * invoke.texi: Add missing "-E" to the -dM example.
1201
1202 2011-01-13  Tobias Burnus  <burnus@net-b.de>
1203
1204         PR fortran/47268
1205         * intrinsic.texi (get_command_argument, get_environment_variable):
1206         Mark arguments as optional in the Arguments section.
1207
1208 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
1209             Tobias Burnus  <burnus@net-b.de>
1210
1211         PR fortran/47260
1212         * trans-decl.c (gfc_get_extern_function_decl,
1213         build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
1214         calling decl_attributes.
1215
1216 2011-01-13  Tobias Burnus  <burnus@net-b.de>
1217             Mikael Morin  <mikael@gcc.gnu.org>
1218
1219         PR fortran/45848
1220         PR fortran/47204
1221         * gfortran.h (gfc_code): Move union ext's case_list into
1222         the struct block.
1223         * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
1224         by "block.".
1225         * frontend-passes.c (gfc_code_walker): Ditto.
1226         * match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
1227         gfc_match_type_is, gfc_match_class_is): Ditto.
1228         * resolve.c (resolve_select, resolve_select_type): Ditto.
1229         * st.c (gfc_free_statement): Ditto.
1230         * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
1231         gfc_trans_character_select): Ditto.
1232         * parse.c (resolve_all_program_units): For error recovery, avoid
1233         segfault is proc_name is NULL.
1234
1235 2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
1236
1237         PR fortran/47051
1238         * trans-array.c (gfc_alloc_allocatable_for_assignment): Change
1239         to be standard compliant by testing for shape rather than size
1240         before skipping reallocation. Improve comments.
1241
1242 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
1243
1244         PR fortran/47224
1245         * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
1246         of code.
1247
1248 2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
1249
1250         PR fortran/38536
1251         * resolve.c (is_scalar_expr_ptr):  For a substring reference,
1252         use gfc_dep_compare_expr to compare start and end expession.
1253         Add FIXME for using gfc_deb_compare_expr elsewhere.
1254
1255 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
1256
1257         PR fortran/46313
1258         * class.c (get_unique_type_string): Make type name start with upper
1259         case letter.
1260
1261 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
1262
1263         PR fortran/46405
1264         * invoke.texi:  Mention -ffree-line-length-none and
1265         -ffixed-line-length-none for preprocessing.
1266
1267 2011-01-08  Paul Thomas  <pault@gcc.gnu.org>
1268
1269         PR fortran/46896
1270         * trans-expr.c (gfc_conv_procedure_call): With a non-copying
1271         procedure argument (eg TRANSPOSE) use a temporary if there is
1272         any chance of aliasing due to host or use association.
1273         (arrayfunc_assign_needs_temporary): Correct logic for function
1274         results and do not use a temporary for implicitly PURE
1275         variables.  Use a temporary for Cray pointees.
1276         * symbol.c (gfc_add_save): Explicit SAVE not compatible with
1277         implicit pureness of containing procedure.
1278         * decl.c (match_old_style_init, gfc_match_data): Where decl
1279         would fail in PURE procedure, set implicit_pure to zero.
1280         * gfortran.h : Add implicit_pure to structure symbol_attr and
1281         add prototype for function gfc_implicit_pure.
1282         * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
1283         Where decl would fail in PURE procedure, reset implicit_pure.
1284         * io.c (match_vtag, gfc_match_open, gfc_match_close,
1285         gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
1286         * match.c (gfc_match_critical, gfc_match_stopcode,
1287         sync_statement, gfc_match_allocate, gfc_match_deallocate): The
1288         same.
1289         * parse.c (decode_omp_directive): The same.
1290         (parse_contained): If not PURE, set implicit pure attribute.
1291         * resolve.c (resolve_formal_arglist, resolve_structure_cons,
1292         resolve_function, resolve_ordinary_assign) : The same.
1293         (gfc_implicit_pure): New function.
1294         * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
1295         to ab_attribute enum and use it in this function.
1296
1297 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
1298
1299         PR fortran/45777
1300         * symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
1301         make static and move in front of its only caller, to ...
1302         * trans-array.c (symbols_could_alias): ... here.
1303         Pass information about pointer and target status as
1304         arguments.  Allocatable arrays don't alias anything
1305         unless they have the POINTER attribute.
1306         (gfc_could_be_alias):  Keep track of pointer and target
1307         status when following references.  Also check if typespecs
1308         of components match those of other components or symbols.
1309
1310 2011-01-07  Tobias Burnus  <burnus@net-b.de>
1311
1312         PR fortran/41580
1313         * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
1314         * intrinsic.c (add_functions): Use simplify functions for
1315         EXTENDS_TYPE_OF and SAME_TYPE_AS.
1316         * intrinsic.h (gfc_simplify_extends_type_of,
1317         gfc_simplify_same_type_as): New prototypes.
1318         * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
1319         gfc_simplify_same_type_as): New functions.
1320
1321 2011-01-07  Janus Weil  <janus@gcc.gnu.org>
1322
1323         PR fortran/47189
1324         PR fortran/47194
1325         * gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
1326         * class.c (gfc_class_null_initializer): Initialize _vptr to declared
1327         type.
1328         * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
1329         * resolve.c (resolve_deallocate_expr): _data component will be added
1330         at translation stage.
1331         * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
1332         * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.
1333
1334 2011-01-06  Daniel Franke  <franke.daniel@gmail.com>
1335
1336         PR fortran/33117
1337         PR fortran/46478
1338         * parse.c (parse_interface): Remove check for procedure types.
1339         * interface.c (check_interface0): Verify that procedures are
1340         either all SUBROUTINEs or all FUNCTIONs.
1341
1342 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1343
1344         PR fortran/47180
1345         * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
1346         'vtab' is initialized).
1347
1348 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1349
1350         PR fortran/47180
1351         * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
1352         assignment, set the _vptr component to the declared type.
1353
1354 2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
1355
1356         PR fortran/46017
1357         * resolve.c (resolve_allocate_deallocate): Follow references to
1358         check for duplicate occurence of allocation/deallocation objects.
1359
1360 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
1361
1362         PR fortran/47024
1363         * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
1364         of polymorphic allocatables according to their declared type.
1365
1366 2011-01-04  Janus Weil  <janus@gcc.gnu.org>
1367
1368         PR fortran/46448
1369         * class.c (gfc_find_derived_vtab): Set the module field for the copying
1370         routine to make sure it receives module name mangling.
1371
1372 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
1373
1374         * gfortranspec.c (lang_specific_driver): Update copyright notice
1375         dates.
1376
1377 2011-01-03  Janus Weil  <janus@gcc.gnu.org>
1378
1379         * intrinsic.texi (LEADZ): Fix example.
1380
1381 2011-01-02  Janus Weil  <janus@gcc.gnu.org>
1382
1383         PR fortran/46408
1384         * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
1385         routine.
1386
1387 \f
1388 Copyright (C) 2011 Free Software Foundation, Inc.
1389
1390 Copying and distribution of this file, with or without modification,
1391 are permitted in any medium without royalty provided the copyright
1392 notice and this notice are preserved.