gcc/fortran/ChangeLog

   1 2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
   2
   3         PR fortran/48412
   4         * frontend-passes (cfe_expr_0):  Reverse the order of going
   5         through the loops.
   6
   7 2011-04-04  Tobias Burnus  <burnus@net-b.de>
   8             Mikael Morin  <mikael.morin@sfr.fr>
   9
  10         PR fortran/18918
  11         * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
  12         * expr.c (gfc_is_coindexed): Ditto.
  13         * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
  14         * interface.c (compare_parameter): Use gfc_expr_attr and
  15         gfc_is_coindexed.
  16         * resolve.c (check_dimension, compare_spec_to_ref,
  17         resolve_allocate_expr, check_data_variable): Update for
  18         DIMEN_THIS_IMAGE.
  19         * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
  20         gfc_simplify_ucobound): Allow non-constant bounds.
  21         * trans-array.c (gfc_set_loop_bounds_from_array_spec,
  22         gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
  23         gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
  24         gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
  25         gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
  26         gfc_conv_ss_startstride, gfc_conv_loop_setup,
  27         gfc_trans_array_bounds, gfc_conv_expr_descriptor,
  28         gfc_walk_variable_expr): Handle codimen.
  29         * trans-decl.c (gfc_build_qualified_array): Save cobounds.
  30         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
  31         (conv_intrinsic_cobound): New function.
  32         (gfc_conv_intrinsic_function): Call it.
  33         (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
  34         ucobound, lcobound, this_image.
  35         * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
  36         (gfc_get_dtype): Honour corank.
  37         (gfc_get_nodesc_array_type): Save corank and codimensions.
  38         (gfc_get_array_type_bounds): Save cobound.
  39         * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
  40         (gfc_array_kind): Add corank item.
  41         (GFC_TYPE_ARRAY_CORANK): New macro.
  42
  43 2011-04-03  Kai Tietz  <ktietz@redhat.com>
  44
  45         PR middle-end/48422
  46         * Make-lang.in (f95-lang.o): Add some missing dependencies.
  47
  48 2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
  49
  50         PR fortran/48352
  51         * frontend-passes (cfe_register_funcs):  Don't
  52         register functions if they appear as iterators in DO loops.
  53
  54 2011-03-30  Michael Matz  <matz@suse.de>
  55
  56         PR fortran/47516
  57         * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
  58         don't use local variable.
  59         (gfc_trans_arrayfunc_assign): Adjust caller.
  60
  61 2011-03-29  Janus Weil  <janus@gcc.gnu.org>
  62
  63         PR fortran/48095
  64         * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
  65         * module.c (MOD_VERSION): Bump.
  66         (mio_typespec): Read/write 'interface' field.
  67         * primary.c (match_string_constant,match_logical_constant): Remove
  68         unneeded code.
  69         (match_complex_constant): Make sure to clear the typespec.
  70
  71 2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
  72
  73         * frontend-passes.c (create_var):  Warn about creating an
  74         array temporary if requested.
  75
  76 2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
  77
  78         PR fortran/47065
  79         * frontend-passes.c (optimize_trim): Also follow references, except
  80         when they are substring references or array references.
  81
  82 2011-03-27  Tobias Burnus  <burnus@net-b.de>
  83
  84         PR fortran/18918
  85         * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
  86         GFC_ISYM_NUM_IMAGES.
  87         (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
  88         * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
  89         rename.
  90         * invoke.texi (-fcoarray=): Document "lib" argument.
  91         * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
  92         * libgfortran.h (libgfortran_stat_codes): Add comments.
  93         * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
  94         * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
  95         Handle GFC_FCOARRAY_LIB.
  96         * trans.h (gfc_init_coarray_decl): New prototype.
  97         (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
  98         gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
  99         gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
 100         gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
 101         gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
 102         New global variables.
 103         * trans-decl.c: Declare several CAF functions (cf. above).
 104         (gfc_build_builtin_function_decls): Initialize those.
 105         (gfc_init_coarray_decl): New function.
 106         (create_main_function): Call CAF init/finalize functions.
 107         * trans-intrinsic.c (trans_this_image, trans_num_images): New.
 108         (gfc_conv_intrinsic_function): Call those.
 109         * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
 110         Add code for GFC_FCOARRAY_LIB.
 111
 112 2011-03-26  Janus Weil  <janus@gcc.gnu.org>
 113
 114         PR fortran/48291
 115         * class.c (get_unique_hashed_string): Adjust maximum allowable length
 116         for unique type string.
 117
 118 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 119
 120         * scanner.c (preprocessor_line): Use filename_cmp
 121         instead of strcmp.
 122
 123 2011-03-25  Tobias Burnus  <burnus@net-b.de>
 124
 125         PR fortran/48174
 126         PR fortran/45304
 127         * trans-types.c (gfc_get_function_type): Don't use varargs if the
 128         procedure is known to have no arguments.
 129
 130 2010-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 131
 132         PR fortran/22572
 133         * gfortran.h (gfc_option_t) : Add
 134         flag_aggressive_function_elimination.
 135         (gfc_dep_compare_functions):  Add prototype.
 136         * lang.opt: Add faggressive-function-elimination.
 137         * invoke.texi: Document -faggressive-function-elimination.
 138         * frontend_passes (expr_array):  New static variable.
 139         (expr_size):  Likewise.
 140         (expr_count):  Likewise.
 141         (current_code):  Likewise.
 142         (current_ns):  Likewise.
 143         (gfc_run_passes):  Allocate and free space for expressions.
 144         (cfe_register_funcs):  New function.
 145         (create_var):  New function.
 146         (cfc_expr_0):  New function.
 147         (cfe_code):  New function.
 148         (optimize_namespace):  Invoke gfc_code_walker with cfe_code
 149         and cfe_expr_0.
 150         * dependency.c (gfc_dep_compare_functions):  New function.
 151         (gfc_dep_compare_expr):  Use it.
 152         * options.c (gfc_init_options):  Handle
 153         flag_aggressive_function_elimination.
 154         (gfc_handle_option):  Likewise.
 155
 156 2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 157
 158         * arith.c (arith_power): Plug memory leak.
 159
 160 2011-03-12  Janus Weil  <janus@gcc.gnu.org>
 161
 162         PR fortran/48059
 163         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
 164         for polymorphic arguments.
 165
 166 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 167
 168         PR fortran/48054
 169         * intrinsic.texi: Clarify doc of logarithm functions.
 170
 171 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 172
 173         PR fortran/47552
 174         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
 175         the string length variable.
 176
 177 2011-03-11  Janus Weil  <janus@gcc.gnu.org>
 178
 179         PR fortran/47768
 180         * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
 181         (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.
 182
 183 2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
 184             Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 185
 186         PR fortran/47850
 187         * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
 188         the expression has an iterator.  Otherwise, iterate through the
 189         array, checking for constant expressions for each element.
 190
 191 2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
 192
 193         PR libfortran/47802
 194         * intrinsic.texi: Update CTIME and FDATE documentation.
 195
 196 2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 197
 198         * invoke.texi (Option Summary, Fortran Dialect Options)
 199         (Preprocessing Options, Runtime Options, Code Gen Options):
 200         Fix vertical list spacing by using @itemx for additinoal
 201         items, empty line before @table.  Fix typos.
 202
 203 2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 204
 205         PR fortran/47894
 206         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 207
 208 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 209
 210         PR fortran/47846
 211         * trans-stmt.c (gfc_trans_allocate): Fix allocation with
 212         type-spec of deferred-length strings.
 213
 214 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 215
 216         PR fortran/47886
 217         * openmp.c (gfc_resolve_omp_directive): Resolve if()
 218         condition of OpenMP's task.
 219
 220 2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 221
 222         PR fortran/47894
 223         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 224
 225 2011-02-24  Tobias Burnus  <burnus@net-b.de>
 226
 227         PR fortran/47872
 228         * intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
 229         multitable for linebreak between different syntax variants.
 230
 231 2011-02-24  Richard Guenther  <rguenther@suse.de>
 232
 233         PR fortran/47839
 234         * f95-lang.c (pushdecl): For externs in non-global scope push
 235         a copy of the decl into the BLOCK.
 236
 237 2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>
 238
 239         PR fortran/40850
 240         * trans.c (gfc_prepend_expr_to_block): New function.
 241         * trans.h (gfc_prepend_expr_to_block): Declare.
 242         * trans-array.c (gfc_conv_array_parameter): Replace
 243         gfc_add_expr_to_block with gfc_prepend_expr_to_block.
 244
 245 2011-02-22  Paul Thomas  <pault@gcc.gnu.org>
 246
 247         PR fortran/45743
 248         * trans-decl.c (gfc_get_extern_function_decl): Don't use the
 249         gsymbol backend_decl if the procedure has a formal argument
 250         that is a procedure.
 251
 252 2011-02-22  Tobias Burnus  <burnus@net-b.de>
 253
 254         PR fortran/41359
 255         * trans-stmt.c (gfc_trans_if_1): Use correct line for
 256         expressions in the if condition.
 257
 258 2011-02-20  Tobias Burnus  <burnus@net-b.de>
 259
 260         PR fortran/47797
 261         * trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
 262         gfc_restore_backend_locus to have better debug locations.
 263         * trans-array.c (gfc_trans_deferred_array): Ditto.
 264
 265 2011-02-20  Paul Thomas  <pault@gcc.gnu.org>
 266
 267         PR fortran/45077
 268         PR fortran/44945
 269         * trans-types.c (gfc_get_derived_type): Remove code that looks
 270         for decls in gsym and add call to gfc_get_module_backend_decl.
 271         * trans.h : Add prototype for gfc_get_module_backend_decl.
 272         * trans-decl.c (gfc_get_module_backend_decl): New function.
 273         (gfc_get_symbol_decl): Call it.
 274
 275 2011-02-19  Paul Thomas  <pault@gcc.gnu.org>
 276
 277         PR fortran/47348
 278         * trans-array.c (get_array_ctor_all_strlen): Move up in file.
 279         (get_array_ctor_var_strlen): Add block dummy and add call to
 280         get_array_ctor_all_strlen instead of giving up on substrings.
 281         Call gcc_unreachable for default case.
 282         (get_array_ctor_strlen): Add extra argument to in call to
 283         get_array_ctor_var_strlen.
 284
 285 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 286
 287         PR fortran/47789
 288         * primary.c (gfc_match_structure_constructor): Handle empty parent
 289         types.
 290
 291 2011-02-18  Tobias Burnus
 292
 293         PR fortran/47775
 294         * trans-expr.c (arrayfunc_assign_needs_temporary): Use
 295         esym to check whether the specific procedure returns an
 296         allocatable or pointer.
 297
 298 2011-02-18  Michael Matz  <matz@suse.de>
 299
 300         PR fortran/45586
 301         * gfortran.h (struct gfc_component): Add norestrict_decl member.
 302         * trans.h (struct lang_type): Add nonrestricted_type member.
 303         * trans-expr.c (gfc_conv_component_ref): Search fields with correct
 304         parent type.
 305         * trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
 306         (gfc_sym_type): Use it.
 307
 308 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 309
 310         PR fortran/47768
 311         * resolve.c (resolve_transfer): Reject variables with procedure pointer
 312         components.
 313
 314 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 315
 316         PR fortran/47767
 317         * gfortran.h (gfc_check_access): Removed prototype.
 318         (gfc_check_symbol_access): Added prototype.
 319         * module.c (gfc_check_access): Renamed to 'check_access', made static.
 320         (gfc_check_symbol_access): New function, basically a shortcut for
 321         'check_access'.
 322         (write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
 323         'gfc_check_symbol_access'.
 324         (write_operator,write_module): Renamed 'gfc_check_access'.
 325         * resolve.c (resolve_fl_procedure,resolve_fl_derived,
 326         resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
 327         'gfc_check_symbol_access'.
 328
 329 2011-02-16  Janus Weil  <janus@gcc.gnu.org>
 330
 331         PR fortran/47745
 332         * class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
 333         * decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
 334         'gfc_build_class_symbol'.
 335         (gfc_match_decl_type_spec): Reject unlimited polymorphism.
 336         * interface.c (matching_typebound_op): Check for 'class_ok' attribute.
 337         * match.c (select_type_set_tmp): Move setting of 'class_ok' into
 338         'gfc_build_class_symbol'.
 339         * primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
 340
 341 2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 342
 343         PR fortran/47633
 344         . simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.
 345
 346 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 347
 348         PR fortran/47730
 349         * parse.c (gfc_build_block_ns): Commit 'block@' symbol.
 350
 351 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 352
 353         PR fortran/47728
 354         * class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
 355         arrays.
 356         * primary.c (gfc_match_varspec): Avoid ICE for invalid class
 357         declaration.
 358
 359 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 360
 361         PR fortran/47349
 362         * interface.c (get_expr_storage_size): Handle derived-type components.
 363
 364 2011-02-13  Tobias Burnus  <burnus@net-b.de>
 365
 366         PR fortran/47569
 367         * interface.c (compare_parameter): Avoid ICE with
 368         character components.
 369
 370 2011-02-12  Janus Weil  <janus@gcc.gnu.org>
 371
 372         * class.c (gfc_build_class_symbol): Reject polymorphic arrays.
 373         * decl.c (build_sym,build_struct,attr_decl1): Use return value of
 374         'gfc_build_class_symbol'.
 375
 376 2011-02-12  Michael Matz  <matz@suse.de>
 377             Janus Weil  <janus@gcc.gnu.org>
 378             Tobias Burnus  <burnus@net-b.de>
 379
 380         PR fortran/45586
 381         * trans-expr.c (conv_parent_component_references): Avoid unintendent
 382         skipping of parent compounds.
 383
 384 2011-02-11  Tobias Burnus  <burnus@net-b.de>
 385
 386         PR fortran/47550
 387         * resolve.c (resolve_formal_arglist): PURE with VALUE
 388         and no INTENT: Add -std= diagnostics.
 389
 390 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 391
 392         PR fortran/47352
 393         * resolve.c (resolve_procedure_interface): If interface has a result
 394         variable, copy the typespec and set result pointer to self.
 395
 396 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 397
 398         PR fortran/47463
 399         * resolve.c (resolve_typebound_subroutine): Remove erroneous line.
 400
 401 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 402
 403         PR fortran/47637
 404         * trans-decl.c (init_intent_out_dt): Handle CLASS arguments.
 405
 406 2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 407
 408         * io.c (match_io_element): Do not set dt if not inquire.
 409
 410 2011-02-08  Janus Weil  <janus@gcc.gnu.org>
 411
 412         PR fortran/45290
 413         * expr.c (gfc_check_assign_symbol): Reject pointers as pointer
 414         initialization target.
 415
 416 2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
 417             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 418
 419         * gfortran.texi (Thread-safety): texinfo styling fixes.
 420         * intrinsic.texi: Likewise.
 421
 422 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 423
 424         * gfortran.texi (Compiler Characteristics): Add reference to
 425         thread-safety section.
 426
 427 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 428
 429         * gfortran.texi (Thread-safety): New section.
 430         * intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
 431         (GETENV): Likewise.
 432         (GET_ENVIRONMENT_VARIABLE): Likewise.
 433         (SYSTEM): Likewise.
 434
 435 2011-02-06  Paul Thomas  <pault@gcc.gnu.org>
 436
 437         PR fortran/47592
 438         * trans-stmt.c (gfc_trans_allocate): For deferred character
 439         length allocations with SOURCE, store to the values and string
 440         length to avoid calculating twice.  Replace gfc_start_block
 441         with gfc_init_block to avoid unnecessary contexts and to keep
 442         declarations of temporaries where they should be. Tidy up the
 443         code a bit.
 444
 445 2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
 446
 447         PR fortran/42434
 448         * intrinsic.texi (SYSTEM_CLOCK): Update documentation.
 449
 450 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 451             Paul Thomas  <pault@gcc.gnu.org>
 452
 453         PR fortran/47082
 454         * trans-expr.c (gfc_trans_class_init_assign): Add call to
 455         gfc_get_derived_type.
 456         * module.c (read_cleanup): Do not use unique_symtrees for vtabs
 457         or vtypes.
 458
 459 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 460
 461         PR fortran/47572
 462         * resolve.c (resolve_fl_variable): Handle polymorphic allocatables.
 463
 464 2011-02-01  Janus Weil  <janus@gcc.gnu.org>
 465
 466         PR fortran/47565
 467         * trans-expr.c (gfc_conv_structure): Handle constructors for procedure
 468         pointer components with allocatable result.
 469
 470 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 471
 472         PR fortran/47455
 473         * trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
 474         with pointer or allocatable result.
 475
 476 2011-01-31  Paul Thomas  <pault@gcc.gnu.org>
 477
 478         PR fortran/47519
 479         * trans-stmt.c (gfc_trans_allocate): Improve handling of
 480         deferred character lengths with SOURCE.
 481         * iresolve.c (gfc_resolve_repeat): Calculate character
 482         length from source length and ncopies.
 483         * dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
 484         expressions for ALLOCATE.
 485
 486 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 487
 488         PR fortran/47463
 489         * resolve.c (resolve_typebound_subroutine): Bug fix for the case of
 490         an argument of a typebound assignment being a component.
 491
 492 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 493
 494         * gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
 495         LD_STATIC_OPTION, LD_DYNAMIC_OPTION.
 496
 497 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 498
 499         PR fortran/47042
 500         * resolve.c (resolve_fl_procedure): Reject stmt functions
 501         with pointer/allocatable attribute.
 502
 503 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 504
 505         PR fortran/47042
 506         * interface.c (gfc_procedure_use): Add explicit interface check for
 507         pointer/allocatable functions.
 508
 509 2011-01-30  Paul Thomas  <pault@gcc.gnu.org>
 510
 511         PR fortran/47523
 512         * trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
 513         expr and is assigned to a deferred character length scalar,
 514         make sure that the function is called before reallocation,
 515         so that the length is available. Include procedure pointer
 516         and procedure pointer component rhs as well.
 517
 518         PR fortran/45170
 519         PR fortran/35810
 520         PR fortran/47350
 521         * gfortran.dg/allocatable_function_5.f90: New test not added by
 522         mistake on 2011-01-28.
 523
 524 2011-01-29  Tobias Burnus  <burnus@net-b.de>
 525
 526         PR fortran/47531
 527         * check.c (gfc_check_shape): Support kind argument in SHAPE.
 528         * intrinsic.c (add_functions): Ditto.
 529         * resolve.c (gfc_resolve_shape): Ditto.
 530         * simplify.c (gfc_simplify_shape): Ditto.
 531         * intrinsic.h (gfc_check_shape, gfc_resolve_shape,
 532         gfc_simplify_shape): Update prototypes.
 533         * intrinisc.text (SHAPE): Document kind argument.
 534
 535 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 536
 537         PR fortran/47507
 538         * resolve.c (resolve_formal_arglist): Allow arguments with VALUE
 539         attribute also without INTENT.
 540
 541 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 542
 543         * gfortran.texi (Fortran 2003 status): Mention support for
 544         nonconstant namelist variables.
 545
 546 2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
 547             Tobias Burnus  <burnus@gcc.gnu.org>
 548
 549         PR fortran/45170
 550         PR fortran/35810
 551         PR fortran/47350
 552         * interface.c (compare_actual_formal): An allocatable or pointer
 553         deferred length actual is only allowed if the formal argument
 554         is also deferred length. Clean up whitespace.
 555         * trans-expr.c (gfc_conv_procedure_call): Pass string length for
 556         deferred character length formal arguments by reference. Do the
 557         same for function results.
 558         (gfc_trans_pointer_assignment): Do not do runtime check of lhs
 559         and rhs character lengths, if deferred length lhs.  In this case
 560         set the lhs character length to that of the rhs.
 561         (gfc_conv_string_parameter): Remove assert that string length is
 562         an integer type.
 563         (is_scalar_reallocatable_lhs): New function.
 564         (alloc_scalar_allocatable_for_assignment): New function.
 565         (gfc_trans_assignment_1): Call above new function. If the rhs is
 566         a deferred character length itself, makes ure that the function
 567         is called before reallocation, so that the length is available.
 568         (gfc_trans_asssignment): Remove error about assignment to
 569         deferred length character variables.
 570         * gfortran.texi : Update entry about (re)allocation on
 571         assignment.
 572         * trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
 573         length character variables.
 574         * module.c (mio_typespec): Transfer deferred characteristic.
 575         * trans-types.c (gfc_get_function_type): New code to generate
 576         hidden typelist, so that those character lengths that are
 577         passed by reference get the right type.
 578         * resolve.c (resolve_contained_fntype): Supress error for
 579         deferred character length functions.
 580         (resolve_function, resolve_fl_procedure) The same.
 581         (check_symbols): Remove the error that support for
 582         entity with deferred type parameter is not yet implemented.
 583         (resolve_fl_derived): The same.
 584         match.c (alloc_opt_list): Allow MOLD for deferred length object.
 585         * trans-decl.c (gfc_get_symbol_decl): For deferred character
 586         length dummies, generate a local variable for string length.
 587         (create_function_arglist): Hidden length can be a pointer.
 588         (gfc_trans_deferred_vars): For deferred character length
 589         results and dummies, assign the string length to the local
 590         variable from the hidden argument on entry and the other way
 591         round on exit, as appropriate.
 592
 593 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 594
 595         PR fortran/47474
 596         * trans-decl.c (gfc_generate_function_code): Fix init
 597         of allocatable result variable with allocatable components.
 598
 599 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 600
 601         PR fortran/47472
 602         * options.c (gfc_handle_module_path_options): Save
 603         module path without trailing slash as include path.
 604
 605 2011-01-25  Tobias Burnus  <burnus@net-b.de>
 606
 607         PR fortran/47448
 608         * interface.c (gfc_check_operator_interface): Fix
 609         defined-assignment check.
 610
 611 2011-01-23  Tobias Burnus  <burnus@net-b.de>
 612
 613         PR fortran/47421
 614         * trans-decl.c (gfc_trans_deferred_vars): Do not nullify
 615         scalar allocatable dummy arguments.
 616
 617 2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
 618
 619         PR fortran/38536
 620         * resolve.c (gfc_iso_c_func_interface):  For C_LOC,
 621         check for array sections followed by component references
 622         which are illegal.  Also check for coindexed arguments.
 623
 624 2011-01-22  Tobias Burnus  <burnus@net-b.de>
 625
 626         PR fortran/47399
 627         * primary.c (gfc_match_varspec): Relax gcc_assert to allow for
 628         PARAMETER TBP.
 629
 630 2011-01-21  Tobias Burnus  <burnus@net-b.de>
 631
 632         PR fortran/47394
 633         * error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
 634         Use defined instead of magic number exit status codes.
 635         * scanner.c (include_line, gfc_new_file): Ditto.
 636
 637 2011-01-21  Tobias Burnus  <burnus@net-b.de>
 638
 639         PR fortran/47377
 640         * expr.c (gfc_check_pointer_assign): Reject expr data-targets
 641         without pointer attribute.
 642
 643 2011-01-18  Janus Weil  <janus@gcc.gnu.org>
 644
 645         PR fortran/47240
 646         * resolve.c (expression_rank): Fix rank of procedure poiner components.
 647         * trans-expr.c (gfc_conv_procedure_call): Take care of procedure
 648         pointer components as actual arguments.
 649
 650 2011-01-17  Jakub Jelinek  <jakub@redhat.com>
 651
 652         PR fortran/47331
 653         * gfortran.h (struct gfc_omp_saved_state): New type.
 654         (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
 655         * resolve.c (resolve_global_procedure): Call it around gfc_resolve
 656         call.
 657         * openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
 658         functions.
 659
 660 2011-01-17  Tobias Burnus  <burnus@net-b.de>
 661
 662         PR fortran/47327
 663         * invoke.texi (Options to request or suppress errors
 664         and warnings): Fix cross link.
 665
 666 2011-01-15  Tobias Burnus  <burnus@net-b.de>
 667
 668         * gfortran.texi: Update Fortran 2003 Status section.
 669
 670         PR fortran/47177
 671         * invoke.texi: Add missing "-E" to the -dM example.
 672
 673 2011-01-13  Tobias Burnus  <burnus@net-b.de>
 674
 675         PR fortran/47268
 676         * intrinsic.texi (get_command_argument, get_environment_variable):
 677         Mark arguments as optional in the Arguments section.
 678
 679 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
 680             Tobias Burnus  <burnus@net-b.de>
 681
 682         PR fortran/47260
 683         * trans-decl.c (gfc_get_extern_function_decl,
 684         build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
 685         calling decl_attributes.
 686
 687 2011-01-13  Tobias Burnus  <burnus@net-b.de>
 688             Mikael Morin  <mikael@gcc.gnu.org>
 689
 690         PR fortran/45848
 691         PR fortran/47204
 692         * gfortran.h (gfc_code): Move union ext's case_list into
 693         the struct block.
 694         * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
 695         by "block.".
 696         * frontend-passes.c (gfc_code_walker): Ditto.
 697         * match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
 698         gfc_match_type_is, gfc_match_class_is): Ditto.
 699         * resolve.c (resolve_select, resolve_select_type): Ditto.
 700         * st.c (gfc_free_statement): Ditto.
 701         * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
 702         gfc_trans_character_select): Ditto.
 703         * parse.c (resolve_all_program_units): For error recovery, avoid
 704         segfault is proc_name is NULL.
 705
 706 2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
 707
 708         PR fortran/47051
 709         * trans-array.c (gfc_alloc_allocatable_for_assignment): Change
 710         to be standard compliant by testing for shape rather than size
 711         before skipping reallocation. Improve comments.
 712
 713 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
 714
 715         PR fortran/47224
 716         * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
 717         of code.
 718
 719 2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 720
 721         PR fortran/38536
 722         * resolve.c (is_scalar_expr_ptr):  For a substring reference,
 723         use gfc_dep_compare_expr to compare start and end expession.
 724         Add FIXME for using gfc_deb_compare_expr elsewhere.
 725
 726 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
 727
 728         PR fortran/46313
 729         * class.c (get_unique_type_string): Make type name start with upper
 730         case letter.
 731
 732 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 733
 734         PR fortran/46405
 735         * invoke.texi:  Mention -ffree-line-length-none and
 736         -ffixed-line-length-none for preprocessing.
 737
 738 2011-01-08  Paul Thomas  <pault@gcc.gnu.org>
 739
 740         PR fortran/46896
 741         * trans-expr.c (gfc_conv_procedure_call): With a non-copying
 742         procedure argument (eg TRANSPOSE) use a temporary if there is
 743         any chance of aliasing due to host or use association.
 744         (arrayfunc_assign_needs_temporary): Correct logic for function
 745         results and do not use a temporary for implicitly PURE
 746         variables.  Use a temporary for Cray pointees.
 747         * symbol.c (gfc_add_save): Explicit SAVE not compatible with
 748         implicit pureness of containing procedure.
 749         * decl.c (match_old_style_init, gfc_match_data): Where decl
 750         would fail in PURE procedure, set implicit_pure to zero.
 751         * gfortran.h : Add implicit_pure to structure symbol_attr and
 752         add prototype for function gfc_implicit_pure.
 753         * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
 754         Where decl would fail in PURE procedure, reset implicit_pure.
 755         * io.c (match_vtag, gfc_match_open, gfc_match_close,
 756         gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
 757         * match.c (gfc_match_critical, gfc_match_stopcode,
 758         sync_statement, gfc_match_allocate, gfc_match_deallocate): The
 759         same.
 760         * parse.c (decode_omp_directive): The same.
 761         (parse_contained): If not PURE, set implicit pure attribute.
 762         * resolve.c (resolve_formal_arglist, resolve_structure_cons,
 763         resolve_function, resolve_ordinary_assign) : The same.
 764         (gfc_implicit_pure): New function.
 765         * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
 766         to ab_attribute enum and use it in this function.
 767
 768 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 769
 770         PR fortran/45777
 771         * symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
 772         make static and move in front of its only caller, to ...
 773         * trans-array.c (symbols_could_alias): ... here.
 774         Pass information about pointer and target status as
 775         arguments.  Allocatable arrays don't alias anything
 776         unless they have the POINTER attribute.
 777         (gfc_could_be_alias):  Keep track of pointer and target
 778         status when following references.  Also check if typespecs
 779         of components match those of other components or symbols.
 780
 781 2011-01-07  Tobias Burnus  <burnus@net-b.de>
 782
 783         PR fortran/41580
 784         * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
 785         * intrinsic.c (add_functions): Use simplify functions for
 786         EXTENDS_TYPE_OF and SAME_TYPE_AS.
 787         * intrinsic.h (gfc_simplify_extends_type_of,
 788         gfc_simplify_same_type_as): New prototypes.
 789         * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
 790         gfc_simplify_same_type_as): New functions.
 791
 792 2011-01-07  Janus Weil  <janus@gcc.gnu.org>
 793
 794         PR fortran/47189
 795         PR fortran/47194
 796         * gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
 797         * class.c (gfc_class_null_initializer): Initialize _vptr to declared
 798         type.
 799         * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
 800         * resolve.c (resolve_deallocate_expr): _data component will be added
 801         at translation stage.
 802         * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
 803         * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.
 804
 805 2011-01-06  Daniel Franke  <franke.daniel@gmail.com>
 806
 807         PR fortran/33117
 808         PR fortran/46478
 809         * parse.c (parse_interface): Remove check for procedure types.
 810         * interface.c (check_interface0): Verify that procedures are
 811         either all SUBROUTINEs or all FUNCTIONs.
 812
 813 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 814
 815         PR fortran/47180
 816         * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
 817         'vtab' is initialized).
 818
 819 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 820
 821         PR fortran/47180
 822         * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
 823         assignment, set the _vptr component to the declared type.
 824
 825 2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
 826
 827         PR fortran/46017
 828         * resolve.c (resolve_allocate_deallocate): Follow references to
 829         check for duplicate occurence of allocation/deallocation objects.
 830
 831 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 832
 833         PR fortran/47024
 834         * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
 835         of polymorphic allocatables according to their declared type.
 836
 837 2011-01-04  Janus Weil  <janus@gcc.gnu.org>
 838
 839         PR fortran/46448
 840         * class.c (gfc_find_derived_vtab): Set the module field for the copying
 841         routine to make sure it receives module name mangling.
 842
 843 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
 844
 845         * gfortranspec.c (lang_specific_driver): Update copyright notice
 846         dates.
 847
 848 2011-01-03  Janus Weil  <janus@gcc.gnu.org>
 849
 850         * intrinsic.texi (LEADZ): Fix example.
 851
 852 2011-01-02  Janus Weil  <janus@gcc.gnu.org>
 853
 854         PR fortran/46408
 855         * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
 856         routine.
 857
 858 \f
 859 Copyright (C) 2011 Free Software Foundation, Inc.
 860
 861 Copying and distribution of this file, with or without modification,
 862 are permitted in any medium without royalty provided the copyright
 863 notice and this notice are preserved.