gcc/fortran/ChangeLog

   1 2011-04-05  Duncan Sands  <baldrick@free.fr>
   2
   3         * f95-lang.c (build_builtin_fntypes): Swap frexp parameter types.
   4
   5 2010-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
   6
   7         * frontend-passes: (optimize_lexical_comparison): New function.
   8         (optimize_expr): Call it.
   9         (optimize_comparison): Also handle lexical comparison functions.
  10         Return false instad of -2 for unequal comparison.
  11
  12 2011-04-04  Thomas Koenig  <tkoenig@gcc.gnu.org>
  13
  14         PR fortran/48412
  15         * frontend-passes (cfe_expr_0):  Reverse the order of going
  16         through the loops.
  17
  18 2011-04-04  Tobias Burnus  <burnus@net-b.de>
  19             Mikael Morin  <mikael.morin@sfr.fr>
  20
  21         PR fortran/18918
  22         * check.c (is_coarray): Update - because of DIMEN_THIS_IMAGE.
  23         * expr.c (gfc_is_coindexed): Ditto.
  24         * gfortran.h (gfc_array_ref_dimen_type): Add DIMEN_THIS_IMAGE.
  25         * interface.c (compare_parameter): Use gfc_expr_attr and
  26         gfc_is_coindexed.
  27         * resolve.c (check_dimension, compare_spec_to_ref,
  28         resolve_allocate_expr, check_data_variable): Update for
  29         DIMEN_THIS_IMAGE.
  30         * simplify.c (gfc_simplify_lcobound, gfc_simplify_this_image,
  31         gfc_simplify_ucobound): Allow non-constant bounds.
  32         * trans-array.c (gfc_set_loop_bounds_from_array_spec,
  33         gfc_trans_create_temp_array, gfc_trans_constant_array_constructor,
  34         gfc_set_vector_loop_bounds, gfc_conv_array_index_offset,
  35         gfc_start_scalarized_body, gfc_trans_scalarizing_loops,
  36         gfc_trans_scalarized_loop_boundary, gfc_conv_section_startstride,
  37         gfc_conv_ss_startstride, gfc_conv_loop_setup,
  38         gfc_trans_array_bounds, gfc_conv_expr_descriptor,
  39         gfc_walk_variable_expr): Handle codimen.
  40         * trans-decl.c (gfc_build_qualified_array): Save cobounds.
  41         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use arg2.
  42         (conv_intrinsic_cobound): New function.
  43         (gfc_conv_intrinsic_function): Call it.
  44         (gfc_walk_intrinsic_function, gfc_add_intrinsic_ss_code): Handle
  45         ucobound, lcobound, this_image.
  46         * fortran/trans-types.c (gfc_build_array_type): Save cobounds.
  47         (gfc_get_dtype): Honour corank.
  48         (gfc_get_nodesc_array_type): Save corank and codimensions.
  49         (gfc_get_array_type_bounds): Save cobound.
  50         * fortran/trans.h (gfc_ss_info,gfc_loopinfo): Add codimen item.
  51         (gfc_array_kind): Add corank item.
  52         (GFC_TYPE_ARRAY_CORANK): New macro.
  53
  54 2011-04-03  Kai Tietz  <ktietz@redhat.com>
  55
  56         PR middle-end/48422
  57         * Make-lang.in (f95-lang.o): Add some missing dependencies.
  58
  59 2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
  60
  61         PR fortran/48352
  62         * frontend-passes (cfe_register_funcs):  Don't
  63         register functions if they appear as iterators in DO loops.
  64
  65 2011-03-30  Michael Matz  <matz@suse.de>
  66
  67         PR fortran/47516
  68         * trans-expr.c (realloc_lhs_loop_for_fcn_call): Take loop as parameter,
  69         don't use local variable.
  70         (gfc_trans_arrayfunc_assign): Adjust caller.
  71
  72 2011-03-29  Janus Weil  <janus@gcc.gnu.org>
  73
  74         PR fortran/48095
  75         * decl.c (match_procedure_decl,match_ppc_decl): Set flavor of interface.
  76         * module.c (MOD_VERSION): Bump.
  77         (mio_typespec): Read/write 'interface' field.
  78         * primary.c (match_string_constant,match_logical_constant): Remove
  79         unneeded code.
  80         (match_complex_constant): Make sure to clear the typespec.
  81
  82 2011-03-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
  83
  84         * frontend-passes.c (create_var):  Warn about creating an
  85         array temporary if requested.
  86
  87 2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>
  88
  89         PR fortran/47065
  90         * frontend-passes.c (optimize_trim): Also follow references, except
  91         when they are substring references or array references.
  92
  93 2011-03-27  Tobias Burnus  <burnus@net-b.de>
  94
  95         PR fortran/18918
  96         * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
  97         GFC_ISYM_NUM_IMAGES.
  98         (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
  99         * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
 100         rename.
 101         * invoke.texi (-fcoarray=): Document "lib" argument.
 102         * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
 103         * libgfortran.h (libgfortran_stat_codes): Add comments.
 104         * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
 105         * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
 106         Handle GFC_FCOARRAY_LIB.
 107         * trans.h (gfc_init_coarray_decl): New prototype.
 108         (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
 109         gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
 110         gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
 111         gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
 112         gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
 113         New global variables.
 114         * trans-decl.c: Declare several CAF functions (cf. above).
 115         (gfc_build_builtin_function_decls): Initialize those.
 116         (gfc_init_coarray_decl): New function.
 117         (create_main_function): Call CAF init/finalize functions.
 118         * trans-intrinsic.c (trans_this_image, trans_num_images): New.
 119         (gfc_conv_intrinsic_function): Call those.
 120         * trans-stmt.c (gfc_trans_stop, gfc_trans_sync, gfc_trans_critical):
 121         Add code for GFC_FCOARRAY_LIB.
 122
 123 2011-03-26  Janus Weil  <janus@gcc.gnu.org>
 124
 125         PR fortran/48291
 126         * class.c (get_unique_hashed_string): Adjust maximum allowable length
 127         for unique type string.
 128
 129 2011-03-25  Kai Tietz  <ktietz@redhat.com>
 130
 131         * scanner.c (preprocessor_line): Use filename_cmp
 132         instead of strcmp.
 133
 134 2011-03-25  Tobias Burnus  <burnus@net-b.de>
 135
 136         PR fortran/48174
 137         PR fortran/45304
 138         * trans-types.c (gfc_get_function_type): Don't use varargs if the
 139         procedure is known to have no arguments.
 140
 141 2010-03-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
 142
 143         PR fortran/22572
 144         * gfortran.h (gfc_option_t) : Add
 145         flag_aggressive_function_elimination.
 146         (gfc_dep_compare_functions):  Add prototype.
 147         * lang.opt: Add faggressive-function-elimination.
 148         * invoke.texi: Document -faggressive-function-elimination.
 149         * frontend_passes (expr_array):  New static variable.
 150         (expr_size):  Likewise.
 151         (expr_count):  Likewise.
 152         (current_code):  Likewise.
 153         (current_ns):  Likewise.
 154         (gfc_run_passes):  Allocate and free space for expressions.
 155         (cfe_register_funcs):  New function.
 156         (create_var):  New function.
 157         (cfc_expr_0):  New function.
 158         (cfe_code):  New function.
 159         (optimize_namespace):  Invoke gfc_code_walker with cfe_code
 160         and cfe_expr_0.
 161         * dependency.c (gfc_dep_compare_functions):  New function.
 162         (gfc_dep_compare_expr):  Use it.
 163         * options.c (gfc_init_options):  Handle
 164         flag_aggressive_function_elimination.
 165         (gfc_handle_option):  Likewise.
 166
 167 2011-03-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 168
 169         * arith.c (arith_power): Plug memory leak.
 170
 171 2011-03-12  Janus Weil  <janus@gcc.gnu.org>
 172
 173         PR fortran/48059
 174         * trans-expr.c (gfc_apply_interface_mapping_to_expr): Replace base type
 175         for polymorphic arguments.
 176
 177 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 178
 179         PR fortran/48054
 180         * intrinsic.texi: Clarify doc of logarithm functions.
 181
 182 2011-03-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 183
 184         PR fortran/47552
 185         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Fix type of
 186         the string length variable.
 187
 188 2011-03-11  Janus Weil  <janus@gcc.gnu.org>
 189
 190         PR fortran/47768
 191         * module.c (ab_attribute,attr_bits): Add AB_PROC_POINTER_COMP.
 192         (mio_symbol_attribute): Handle attribute 'proc_pointer_comp'.
 193
 194 2011-03-06  Paul Thomas  <pault@gcc.gnu.org>
 195             Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 196
 197         PR fortran/47850
 198         * expr.c (gfc_is_constant_expr): Only use gfc_constant_ac if
 199         the expression has an iterator.  Otherwise, iterate through the
 200         array, checking for constant expressions for each element.
 201
 202 2011-03-04  Janne Blomqvist  <jb@gcc.gnu.org>
 203
 204         PR libfortran/47802
 205         * intrinsic.texi: Update CTIME and FDATE documentation.
 206
 207 2011-03-03  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 208
 209         * invoke.texi (Option Summary, Fortran Dialect Options)
 210         (Preprocessing Options, Runtime Options, Code Gen Options):
 211         Fix vertical list spacing by using @itemx for additinoal
 212         items, empty line before @table.  Fix typos.
 213
 214 2011-02-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 215
 216         PR fortran/47894
 217         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 218
 219 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 220
 221         PR fortran/47846
 222         * trans-stmt.c (gfc_trans_allocate): Fix allocation with
 223         type-spec of deferred-length strings.
 224
 225 2011-02-26  Tobias Burnus  <burnus@net-b.de>
 226
 227         PR fortran/47886
 228         * openmp.c (gfc_resolve_omp_directive): Resolve if()
 229         condition of OpenMP's task.
 230
 231 2011-02-26  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 232
 233         PR fortran/47894
 234         * intrinsic.texi: Fix doc of the VERIFY intrinsic.
 235
 236 2011-02-24  Tobias Burnus  <burnus@net-b.de>
 237
 238         PR fortran/47872
 239         * intrinsic.texi (ALLOCATED, ATAN, BESSEL_JN, BESSEL_YN): Add
 240         multitable for linebreak between different syntax variants.
 241
 242 2011-02-24  Richard Guenther  <rguenther@suse.de>
 243
 244         PR fortran/47839
 245         * f95-lang.c (pushdecl): For externs in non-global scope push
 246         a copy of the decl into the BLOCK.
 247
 248 2011-02-23  Mikael Morin  <mikael@gcc.gnu.org>
 249
 250         PR fortran/40850
 251         * trans.c (gfc_prepend_expr_to_block): New function.
 252         * trans.h (gfc_prepend_expr_to_block): Declare.
 253         * trans-array.c (gfc_conv_array_parameter): Replace
 254         gfc_add_expr_to_block with gfc_prepend_expr_to_block.
 255
 256 2011-02-22  Paul Thomas  <pault@gcc.gnu.org>
 257
 258         PR fortran/45743
 259         * trans-decl.c (gfc_get_extern_function_decl): Don't use the
 260         gsymbol backend_decl if the procedure has a formal argument
 261         that is a procedure.
 262
 263 2011-02-22  Tobias Burnus  <burnus@net-b.de>
 264
 265         PR fortran/41359
 266         * trans-stmt.c (gfc_trans_if_1): Use correct line for
 267         expressions in the if condition.
 268
 269 2011-02-20  Tobias Burnus  <burnus@net-b.de>
 270
 271         PR fortran/47797
 272         * trans-decl.c (gfc_trans_deferred_vars): Use gfc_set_backend_locus and
 273         gfc_restore_backend_locus to have better debug locations.
 274         * trans-array.c (gfc_trans_deferred_array): Ditto.
 275
 276 2011-02-20  Paul Thomas  <pault@gcc.gnu.org>
 277
 278         PR fortran/45077
 279         PR fortran/44945
 280         * trans-types.c (gfc_get_derived_type): Remove code that looks
 281         for decls in gsym and add call to gfc_get_module_backend_decl.
 282         * trans.h : Add prototype for gfc_get_module_backend_decl.
 283         * trans-decl.c (gfc_get_module_backend_decl): New function.
 284         (gfc_get_symbol_decl): Call it.
 285
 286 2011-02-19  Paul Thomas  <pault@gcc.gnu.org>
 287
 288         PR fortran/47348
 289         * trans-array.c (get_array_ctor_all_strlen): Move up in file.
 290         (get_array_ctor_var_strlen): Add block dummy and add call to
 291         get_array_ctor_all_strlen instead of giving up on substrings.
 292         Call gcc_unreachable for default case.
 293         (get_array_ctor_strlen): Add extra argument to in call to
 294         get_array_ctor_var_strlen.
 295
 296 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 297
 298         PR fortran/47789
 299         * primary.c (gfc_match_structure_constructor): Handle empty parent
 300         types.
 301
 302 2011-02-18  Tobias Burnus
 303
 304         PR fortran/47775
 305         * trans-expr.c (arrayfunc_assign_needs_temporary): Use
 306         esym to check whether the specific procedure returns an
 307         allocatable or pointer.
 308
 309 2011-02-18  Michael Matz  <matz@suse.de>
 310
 311         PR fortran/45586
 312         * gfortran.h (struct gfc_component): Add norestrict_decl member.
 313         * trans.h (struct lang_type): Add nonrestricted_type member.
 314         * trans-expr.c (gfc_conv_component_ref): Search fields with correct
 315         parent type.
 316         * trans-types.c (mirror_fields, gfc_nonrestricted_type): New.
 317         (gfc_sym_type): Use it.
 318
 319 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 320
 321         PR fortran/47768
 322         * resolve.c (resolve_transfer): Reject variables with procedure pointer
 323         components.
 324
 325 2011-02-18  Janus Weil  <janus@gcc.gnu.org>
 326
 327         PR fortran/47767
 328         * gfortran.h (gfc_check_access): Removed prototype.
 329         (gfc_check_symbol_access): Added prototype.
 330         * module.c (gfc_check_access): Renamed to 'check_access', made static.
 331         (gfc_check_symbol_access): New function, basically a shortcut for
 332         'check_access'.
 333         (write_dt_extensions,write_symbol0,write_generic,write_symtree): Use
 334         'gfc_check_symbol_access'.
 335         (write_operator,write_module): Renamed 'gfc_check_access'.
 336         * resolve.c (resolve_fl_procedure,resolve_fl_derived,
 337         resolve_fl_namelist,resolve_symbol,resolve_fntype): Use
 338         'gfc_check_symbol_access'.
 339
 340 2011-02-16  Janus Weil  <janus@gcc.gnu.org>
 341
 342         PR fortran/47745
 343         * class.c (gfc_build_class_symbol): Set 'class_ok' attribute.
 344         * decl.c (build_sym,attr_decl1): Move setting of 'class_ok' into
 345         'gfc_build_class_symbol'.
 346         (gfc_match_decl_type_spec): Reject unlimited polymorphism.
 347         * interface.c (matching_typebound_op): Check for 'class_ok' attribute.
 348         * match.c (select_type_set_tmp): Move setting of 'class_ok' into
 349         'gfc_build_class_symbol'.
 350         * primary.c (gfc_variable_attr): Check for 'class_ok' attribute.
 351
 352 2011-02-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 353
 354         PR fortran/47633
 355         . simplify.c (gfc_simplify_compiler_version): Fix off-by-one issue.
 356
 357 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 358
 359         PR fortran/47730
 360         * parse.c (gfc_build_block_ns): Commit 'block@' symbol.
 361
 362 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 363
 364         PR fortran/47728
 365         * class.c (gfc_build_class_symbol): Give a fatal error on polymorphic
 366         arrays.
 367         * primary.c (gfc_match_varspec): Avoid ICE for invalid class
 368         declaration.
 369
 370 2011-02-14  Janus Weil  <janus@gcc.gnu.org>
 371
 372         PR fortran/47349
 373         * interface.c (get_expr_storage_size): Handle derived-type components.
 374
 375 2011-02-13  Tobias Burnus  <burnus@net-b.de>
 376
 377         PR fortran/47569
 378         * interface.c (compare_parameter): Avoid ICE with
 379         character components.
 380
 381 2011-02-12  Janus Weil  <janus@gcc.gnu.org>
 382
 383         * class.c (gfc_build_class_symbol): Reject polymorphic arrays.
 384         * decl.c (build_sym,build_struct,attr_decl1): Use return value of
 385         'gfc_build_class_symbol'.
 386
 387 2011-02-12  Michael Matz  <matz@suse.de>
 388             Janus Weil  <janus@gcc.gnu.org>
 389             Tobias Burnus  <burnus@net-b.de>
 390
 391         PR fortran/45586
 392         * trans-expr.c (conv_parent_component_references): Avoid unintendent
 393         skipping of parent compounds.
 394
 395 2011-02-11  Tobias Burnus  <burnus@net-b.de>
 396
 397         PR fortran/47550
 398         * resolve.c (resolve_formal_arglist): PURE with VALUE
 399         and no INTENT: Add -std= diagnostics.
 400
 401 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 402
 403         PR fortran/47352
 404         * resolve.c (resolve_procedure_interface): If interface has a result
 405         variable, copy the typespec and set result pointer to self.
 406
 407 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 408
 409         PR fortran/47463
 410         * resolve.c (resolve_typebound_subroutine): Remove erroneous line.
 411
 412 2011-02-09  Janus Weil  <janus@gcc.gnu.org>
 413
 414         PR fortran/47637
 415         * trans-decl.c (init_intent_out_dt): Handle CLASS arguments.
 416
 417 2011-02-08  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 418
 419         * io.c (match_io_element): Do not set dt if not inquire.
 420
 421 2011-02-08  Janus Weil  <janus@gcc.gnu.org>
 422
 423         PR fortran/45290
 424         * expr.c (gfc_check_assign_symbol): Reject pointers as pointer
 425         initialization target.
 426
 427 2011-02-07  Janne Blomqvist  <jb@gcc.gnu.org>
 428             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 429
 430         * gfortran.texi (Thread-safety): texinfo styling fixes.
 431         * intrinsic.texi: Likewise.
 432
 433 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 434
 435         * gfortran.texi (Compiler Characteristics): Add reference to
 436         thread-safety section.
 437
 438 2011-02-06  Janne Blomqvist  <jb@gcc.gnu.org>
 439
 440         * gfortran.texi (Thread-safety): New section.
 441         * intrinsic.texi (EXECUTE_COMMAND_LINE): Mention thread-safety.
 442         (GETENV): Likewise.
 443         (GET_ENVIRONMENT_VARIABLE): Likewise.
 444         (SYSTEM): Likewise.
 445
 446 2011-02-06  Paul Thomas  <pault@gcc.gnu.org>
 447
 448         PR fortran/47592
 449         * trans-stmt.c (gfc_trans_allocate): For deferred character
 450         length allocations with SOURCE, store to the values and string
 451         length to avoid calculating twice.  Replace gfc_start_block
 452         with gfc_init_block to avoid unnecessary contexts and to keep
 453         declarations of temporaries where they should be. Tidy up the
 454         code a bit.
 455
 456 2011-02-05  Janne Blomqvist  <jb@gcc.gnu.org>
 457
 458         PR fortran/42434
 459         * intrinsic.texi (SYSTEM_CLOCK): Update documentation.
 460
 461 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 462             Paul Thomas  <pault@gcc.gnu.org>
 463
 464         PR fortran/47082
 465         * trans-expr.c (gfc_trans_class_init_assign): Add call to
 466         gfc_get_derived_type.
 467         * module.c (read_cleanup): Do not use unique_symtrees for vtabs
 468         or vtypes.
 469
 470 2011-02-02  Janus Weil  <janus@gcc.gnu.org>
 471
 472         PR fortran/47572
 473         * resolve.c (resolve_fl_variable): Handle polymorphic allocatables.
 474
 475 2011-02-01  Janus Weil  <janus@gcc.gnu.org>
 476
 477         PR fortran/47565
 478         * trans-expr.c (gfc_conv_structure): Handle constructors for procedure
 479         pointer components with allocatable result.
 480
 481 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 482
 483         PR fortran/47455
 484         * trans-expr.c (gfc_conv_procedure_call): Handle procedure pointers
 485         with pointer or allocatable result.
 486
 487 2011-01-31  Paul Thomas  <pault@gcc.gnu.org>
 488
 489         PR fortran/47519
 490         * trans-stmt.c (gfc_trans_allocate): Improve handling of
 491         deferred character lengths with SOURCE.
 492         * iresolve.c (gfc_resolve_repeat): Calculate character
 493         length from source length and ncopies.
 494         * dump-parse-tree.c (show_code_node): Show MOLD and SOURCE
 495         expressions for ALLOCATE.
 496
 497 2011-01-31  Janus Weil  <janus@gcc.gnu.org>
 498
 499         PR fortran/47463
 500         * resolve.c (resolve_typebound_subroutine): Bug fix for the case of
 501         an argument of a typebound assignment being a component.
 502
 503 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 504
 505         * gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
 506         LD_STATIC_OPTION, LD_DYNAMIC_OPTION.
 507
 508 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 509
 510         PR fortran/47042
 511         * resolve.c (resolve_fl_procedure): Reject stmt functions
 512         with pointer/allocatable attribute.
 513
 514 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 515
 516         PR fortran/47042
 517         * interface.c (gfc_procedure_use): Add explicit interface check for
 518         pointer/allocatable functions.
 519
 520 2011-01-30  Paul Thomas  <pault@gcc.gnu.org>
 521
 522         PR fortran/47523
 523         * trans-expr.c (gfc_trans_assignment_1): If the rhs is an op
 524         expr and is assigned to a deferred character length scalar,
 525         make sure that the function is called before reallocation,
 526         so that the length is available. Include procedure pointer
 527         and procedure pointer component rhs as well.
 528
 529         PR fortran/45170
 530         PR fortran/35810
 531         PR fortran/47350
 532         * gfortran.dg/allocatable_function_5.f90: New test not added by
 533         mistake on 2011-01-28.
 534
 535 2011-01-29  Tobias Burnus  <burnus@net-b.de>
 536
 537         PR fortran/47531
 538         * check.c (gfc_check_shape): Support kind argument in SHAPE.
 539         * intrinsic.c (add_functions): Ditto.
 540         * resolve.c (gfc_resolve_shape): Ditto.
 541         * simplify.c (gfc_simplify_shape): Ditto.
 542         * intrinsic.h (gfc_check_shape, gfc_resolve_shape,
 543         gfc_simplify_shape): Update prototypes.
 544         * intrinisc.text (SHAPE): Document kind argument.
 545
 546 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 547
 548         PR fortran/47507
 549         * resolve.c (resolve_formal_arglist): Allow arguments with VALUE
 550         attribute also without INTENT.
 551
 552 2011-01-28  Tobias Burnus  <burnus@net-b.de>
 553
 554         * gfortran.texi (Fortran 2003 status): Mention support for
 555         nonconstant namelist variables.
 556
 557 2011-01-28  Paul Thomas  <pault@gcc.gnu.org>
 558             Tobias Burnus  <burnus@gcc.gnu.org>
 559
 560         PR fortran/45170
 561         PR fortran/35810
 562         PR fortran/47350
 563         * interface.c (compare_actual_formal): An allocatable or pointer
 564         deferred length actual is only allowed if the formal argument
 565         is also deferred length. Clean up whitespace.
 566         * trans-expr.c (gfc_conv_procedure_call): Pass string length for
 567         deferred character length formal arguments by reference. Do the
 568         same for function results.
 569         (gfc_trans_pointer_assignment): Do not do runtime check of lhs
 570         and rhs character lengths, if deferred length lhs.  In this case
 571         set the lhs character length to that of the rhs.
 572         (gfc_conv_string_parameter): Remove assert that string length is
 573         an integer type.
 574         (is_scalar_reallocatable_lhs): New function.
 575         (alloc_scalar_allocatable_for_assignment): New function.
 576         (gfc_trans_assignment_1): Call above new function. If the rhs is
 577         a deferred character length itself, makes ure that the function
 578         is called before reallocation, so that the length is available.
 579         (gfc_trans_asssignment): Remove error about assignment to
 580         deferred length character variables.
 581         * gfortran.texi : Update entry about (re)allocation on
 582         assignment.
 583         * trans-stmt.c (gfc_trans_allocate): Add code to handle deferred
 584         length character variables.
 585         * module.c (mio_typespec): Transfer deferred characteristic.
 586         * trans-types.c (gfc_get_function_type): New code to generate
 587         hidden typelist, so that those character lengths that are
 588         passed by reference get the right type.
 589         * resolve.c (resolve_contained_fntype): Supress error for
 590         deferred character length functions.
 591         (resolve_function, resolve_fl_procedure) The same.
 592         (check_symbols): Remove the error that support for
 593         entity with deferred type parameter is not yet implemented.
 594         (resolve_fl_derived): The same.
 595         match.c (alloc_opt_list): Allow MOLD for deferred length object.
 596         * trans-decl.c (gfc_get_symbol_decl): For deferred character
 597         length dummies, generate a local variable for string length.
 598         (create_function_arglist): Hidden length can be a pointer.
 599         (gfc_trans_deferred_vars): For deferred character length
 600         results and dummies, assign the string length to the local
 601         variable from the hidden argument on entry and the other way
 602         round on exit, as appropriate.
 603
 604 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 605
 606         PR fortran/47474
 607         * trans-decl.c (gfc_generate_function_code): Fix init
 608         of allocatable result variable with allocatable components.
 609
 610 2011-01-27  Tobias Burnus  <burnus@net-b.de>
 611
 612         PR fortran/47472
 613         * options.c (gfc_handle_module_path_options): Save
 614         module path without trailing slash as include path.
 615
 616 2011-01-25  Tobias Burnus  <burnus@net-b.de>
 617
 618         PR fortran/47448
 619         * interface.c (gfc_check_operator_interface): Fix
 620         defined-assignment check.
 621
 622 2011-01-23  Tobias Burnus  <burnus@net-b.de>
 623
 624         PR fortran/47421
 625         * trans-decl.c (gfc_trans_deferred_vars): Do not nullify
 626         scalar allocatable dummy arguments.
 627
 628 2011-01-22  Thomas Koenig  <tkoenig@gcc.gnu.org>
 629
 630         PR fortran/38536
 631         * resolve.c (gfc_iso_c_func_interface):  For C_LOC,
 632         check for array sections followed by component references
 633         which are illegal.  Also check for coindexed arguments.
 634
 635 2011-01-22  Tobias Burnus  <burnus@net-b.de>
 636
 637         PR fortran/47399
 638         * primary.c (gfc_match_varspec): Relax gcc_assert to allow for
 639         PARAMETER TBP.
 640
 641 2011-01-21  Tobias Burnus  <burnus@net-b.de>
 642
 643         PR fortran/47394
 644         * error.c (gfc_error_now, gfc_fatal_error, gfc_error_check):
 645         Use defined instead of magic number exit status codes.
 646         * scanner.c (include_line, gfc_new_file): Ditto.
 647
 648 2011-01-21  Tobias Burnus  <burnus@net-b.de>
 649
 650         PR fortran/47377
 651         * expr.c (gfc_check_pointer_assign): Reject expr data-targets
 652         without pointer attribute.
 653
 654 2011-01-18  Janus Weil  <janus@gcc.gnu.org>
 655
 656         PR fortran/47240
 657         * resolve.c (expression_rank): Fix rank of procedure poiner components.
 658         * trans-expr.c (gfc_conv_procedure_call): Take care of procedure
 659         pointer components as actual arguments.
 660
 661 2011-01-17  Jakub Jelinek  <jakub@redhat.com>
 662
 663         PR fortran/47331
 664         * gfortran.h (struct gfc_omp_saved_state): New type.
 665         (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New prototypes.
 666         * resolve.c (resolve_global_procedure): Call it around gfc_resolve
 667         call.
 668         * openmp.c (gfc_omp_save_and_clear_state, gfc_omp_restore_state): New
 669         functions.
 670
 671 2011-01-17  Tobias Burnus  <burnus@net-b.de>
 672
 673         PR fortran/47327
 674         * invoke.texi (Options to request or suppress errors
 675         and warnings): Fix cross link.
 676
 677 2011-01-15  Tobias Burnus  <burnus@net-b.de>
 678
 679         * gfortran.texi: Update Fortran 2003 Status section.
 680
 681         PR fortran/47177
 682         * invoke.texi: Add missing "-E" to the -dM example.
 683
 684 2011-01-13  Tobias Burnus  <burnus@net-b.de>
 685
 686         PR fortran/47268
 687         * intrinsic.texi (get_command_argument, get_environment_variable):
 688         Mark arguments as optional in the Arguments section.
 689
 690 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
 691             Tobias Burnus  <burnus@net-b.de>
 692
 693         PR fortran/47260
 694         * trans-decl.c (gfc_get_extern_function_decl,
 695         build_function_decl): Set TREE_PUBLIC/TREE_EXTERNAL before
 696         calling decl_attributes.
 697
 698 2011-01-13  Tobias Burnus  <burnus@net-b.de>
 699             Mikael Morin  <mikael@gcc.gnu.org>
 700
 701         PR fortran/45848
 702         PR fortran/47204
 703         * gfortran.h (gfc_code): Move union ext's case_list into
 704         the struct block.
 705         * dump-parse-tree.c (show_code_node): Adapt by prefixing case_list
 706         by "block.".
 707         * frontend-passes.c (gfc_code_walker): Ditto.
 708         * match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
 709         gfc_match_type_is, gfc_match_class_is): Ditto.
 710         * resolve.c (resolve_select, resolve_select_type): Ditto.
 711         * st.c (gfc_free_statement): Ditto.
 712         * trans-stmt.c (gfc_trans_integer_select, gfc_trans_logical_select,
 713         gfc_trans_character_select): Ditto.
 714         * parse.c (resolve_all_program_units): For error recovery, avoid
 715         segfault is proc_name is NULL.
 716
 717 2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
 718
 719         PR fortran/47051
 720         * trans-array.c (gfc_alloc_allocatable_for_assignment): Change
 721         to be standard compliant by testing for shape rather than size
 722         before skipping reallocation. Improve comments.
 723
 724 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
 725
 726         PR fortran/47224
 727         * resolve.c (resolve_actual_arglist): Remove unneeded and buggy piece
 728         of code.
 729
 730 2011-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 731
 732         PR fortran/38536
 733         * resolve.c (is_scalar_expr_ptr):  For a substring reference,
 734         use gfc_dep_compare_expr to compare start and end expession.
 735         Add FIXME for using gfc_deb_compare_expr elsewhere.
 736
 737 2011-01-09  Janus Weil  <janus@gcc.gnu.org>
 738
 739         PR fortran/46313
 740         * class.c (get_unique_type_string): Make type name start with upper
 741         case letter.
 742
 743 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 744
 745         PR fortran/46405
 746         * invoke.texi:  Mention -ffree-line-length-none and
 747         -ffixed-line-length-none for preprocessing.
 748
 749 2011-01-08  Paul Thomas  <pault@gcc.gnu.org>
 750
 751         PR fortran/46896
 752         * trans-expr.c (gfc_conv_procedure_call): With a non-copying
 753         procedure argument (eg TRANSPOSE) use a temporary if there is
 754         any chance of aliasing due to host or use association.
 755         (arrayfunc_assign_needs_temporary): Correct logic for function
 756         results and do not use a temporary for implicitly PURE
 757         variables.  Use a temporary for Cray pointees.
 758         * symbol.c (gfc_add_save): Explicit SAVE not compatible with
 759         implicit pureness of containing procedure.
 760         * decl.c (match_old_style_init, gfc_match_data): Where decl
 761         would fail in PURE procedure, set implicit_pure to zero.
 762         * gfortran.h : Add implicit_pure to structure symbol_attr and
 763         add prototype for function gfc_implicit_pure.
 764         * expr.c (gfc_check_pointer_assign, gfc_check_vardef_context):
 765         Where decl would fail in PURE procedure, reset implicit_pure.
 766         * io.c (match_vtag, gfc_match_open, gfc_match_close,
 767         gfc_match_print, gfc_match_inquire, gfc_match_wait): The same.
 768         * match.c (gfc_match_critical, gfc_match_stopcode,
 769         sync_statement, gfc_match_allocate, gfc_match_deallocate): The
 770         same.
 771         * parse.c (decode_omp_directive): The same.
 772         (parse_contained): If not PURE, set implicit pure attribute.
 773         * resolve.c (resolve_formal_arglist, resolve_structure_cons,
 774         resolve_function, resolve_ordinary_assign) : The same.
 775         (gfc_implicit_pure): New function.
 776         * module.c (mio_symbol_attribute): Introduce AB_IMPLICIT_PURE
 777         to ab_attribute enum and use it in this function.
 778
 779 2011-01-08  Thomas Koenig  <tkoenig@gcc.gnu.org>
 780
 781         PR fortran/45777
 782         * symbol.c (gfc_symbols_could_alias):  Strip gfc_ prefix,
 783         make static and move in front of its only caller, to ...
 784         * trans-array.c (symbols_could_alias): ... here.
 785         Pass information about pointer and target status as
 786         arguments.  Allocatable arrays don't alias anything
 787         unless they have the POINTER attribute.
 788         (gfc_could_be_alias):  Keep track of pointer and target
 789         status when following references.  Also check if typespecs
 790         of components match those of other components or symbols.
 791
 792 2011-01-07  Tobias Burnus  <burnus@net-b.de>
 793
 794         PR fortran/41580
 795         * class.c (gfc_build_class_symbol): Mark __vtab as attr.vtab.
 796         * intrinsic.c (add_functions): Use simplify functions for
 797         EXTENDS_TYPE_OF and SAME_TYPE_AS.
 798         * intrinsic.h (gfc_simplify_extends_type_of,
 799         gfc_simplify_same_type_as): New prototypes.
 800         * simplify.c (is_last_ref_vtab, gfc_simplify_extends_type_of,
 801         gfc_simplify_same_type_as): New functions.
 802
 803 2011-01-07  Janus Weil  <janus@gcc.gnu.org>
 804
 805         PR fortran/47189
 806         PR fortran/47194
 807         * gfortran.h (gfc_lval_expr_from_sym): Moved prototype.
 808         * class.c (gfc_class_null_initializer): Initialize _vptr to declared
 809         type.
 810         * expr.c (gfc_lval_expr_from_sym): Moved here from symbol.c.
 811         * resolve.c (resolve_deallocate_expr): _data component will be added
 812         at translation stage.
 813         * symbol.c (gfc_lval_expr_from_sym): Moved to expr.c.
 814         * trans-stmt.c (gfc_trans_deallocate): Reset _vptr to declared type.
 815
 816 2011-01-06  Daniel Franke  <franke.daniel@gmail.com>
 817
 818         PR fortran/33117
 819         PR fortran/46478
 820         * parse.c (parse_interface): Remove check for procedure types.
 821         * interface.c (check_interface0): Verify that procedures are
 822         either all SUBROUTINEs or all FUNCTIONs.
 823
 824 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 825
 826         PR fortran/47180
 827         * trans-expr.c (gfc_trans_class_assign): Bugfix for r168524 (make sure
 828         'vtab' is initialized).
 829
 830 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 831
 832         PR fortran/47180
 833         * trans-expr.c (gfc_trans_class_assign): For a polymorphic NULL pointer
 834         assignment, set the _vptr component to the declared type.
 835
 836 2011-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
 837
 838         PR fortran/46017
 839         * resolve.c (resolve_allocate_deallocate): Follow references to
 840         check for duplicate occurence of allocation/deallocation objects.
 841
 842 2011-01-05  Janus Weil  <janus@gcc.gnu.org>
 843
 844         PR fortran/47024
 845         * trans-decl.c (gfc_trans_deferred_vars): Initialize the _vpr component
 846         of polymorphic allocatables according to their declared type.
 847
 848 2011-01-04  Janus Weil  <janus@gcc.gnu.org>
 849
 850         PR fortran/46448
 851         * class.c (gfc_find_derived_vtab): Set the module field for the copying
 852         routine to make sure it receives module name mangling.
 853
 854 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
 855
 856         * gfortranspec.c (lang_specific_driver): Update copyright notice
 857         dates.
 858
 859 2011-01-03  Janus Weil  <janus@gcc.gnu.org>
 860
 861         * intrinsic.texi (LEADZ): Fix example.
 862
 863 2011-01-02  Janus Weil  <janus@gcc.gnu.org>
 864
 865         PR fortran/46408
 866         * class.c (gfc_find_derived_vtab): Use EXEC_INIT_ASSIGN for __copy_
 867         routine.
 868
 869 \f
 870 Copyright (C) 2011 Free Software Foundation, Inc.
 871
 872 Copying and distribution of this file, with or without modification,
 873 are permitted in any medium without royalty provided the copyright
 874 notice and this notice are preserved.