gcc/fortran/ChangeLog

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