gcc/fortran/ChangeLog

   1 2009-06-29  Tobias Burnus  <burnus@net-b.de>
   2
   3         PR fortran/40580
   4         * trans-expr.c  (gfc_conv_procedure_call): Add -fcheck=pointer check.
   5         * libgfortran.h: Add GFC_RTCHECK_POINTER.
   6         * invoke.texi (-fcheck): Document new pointer option.
   7         * options.c (gfc_handle_runtime_check_option): Handle pointer option.
   8
   9         * gfortran.texi (C Binding): Improve wording.
  10         * iso-c-binding.def: Remove obsolete comment.
  11
  12 2009-06-29  Paul Thomas  <pault@gcc.gnu.org>
  13
  14         PR fortran/40551
  15         * dependency.h : Add second bool* argument to prototype of
  16         gfc_full_array_ref_p.
  17         * dependency.c (gfc_full_array_ref_p): If second argument is
  18         present, return true if last dimension of reference is an
  19         element or has unity stride.
  20         * trans-array.c : Add NULL second argument to references to
  21         gfc_full_array_ref_p.
  22         * trans-expr.c : The same, except for;
  23         (gfc_trans_arrayfunc_assign): Return fail if lhs reference
  24         is not a full array or a contiguous section.
  25
  26 2009-06-28  Tobias Burnus  <burnus@net-b.de>
  27             Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  28
  29         PR fortran/34112
  30         * symbol.c (gfc_add_ext_attribute): New function.
  31         (gfc_get_sym_tree): New argument allow_subroutine.
  32         (gfc_get_symbol,gfc_get_ha_sym_tree,gen_cptr_param,gen_fptr_param
  33         gen_shape_param,generate_isocbinding_symbol): Use it.
  34         * decl.c (find_special): New argument allow_subroutine.
  35         (add_init_expr_to_sym,add_hidden_procptr_result,attr_decl1,
  36         match_procedure_in_type,gfc_match_final_decl): Use it.
  37         (gfc_match_gcc_attributes): New function.
  38         * gfortran.texi (Mixed-Language Programming): New section
  39         "GNU Fortran Compiler Directives".
  40         * gfortran.h (ext_attr_t): New struct.
  41         (symbol_attributes): Use it.
  42         (gfc_add_ext_attribute): New prototype.
  43         (gfc_get_sym_tree): Update pototype.
  44         * expr.c (gfc_check_pointer_assign): Check whether call
  45         convention is the same.
  46         * module.c (import_iso_c_binding_module, create_int_parameter,
  47         use_iso_fortran_env_module): Update gfc_get_sym_tree call.
  48         * scanner.c (skip_gcc_attribute): New function.
  49         (skip_free_comments,skip_fixed_comments): Use it.
  50         (gfc_next_char_literal): Support !GCC$ lines.
  51         * resolve.c (check_host_association): Update
  52         gfc_get_sym_tree call.
  53         * match.c (gfc_match_sym_tree,gfc_match_call): Update
  54         gfc_get_sym_tree call.
  55         * trans-decl.c (add_attributes_to_decl): New function.
  56         (gfc_get_symbol_decl,get_proc_pointer_decl,
  57         gfc_get_extern_function_decl,build_function_decl: Use it.
  58         * match.h (gfc_match_gcc_attributes): Add prototype.
  59         * parse.c (decode_gcc_attribute): New function.
  60         (next_free,next_fixed): Support !GCC$ lines.
  61         * primary.c (match_actual_arg,check_for_implicit_index,
  62         gfc_match_rvalue,gfc_match_rvalue): Update
  63         gfc_get_sym_tree call.
  64
  65 2009-06-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  66
  67         * gfortran.h: Define HAVE_mpc_pow.
  68         * arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow,
  69         don't define these functions.
  70         (arith_power): If HAVE_mpc_pow, use mpc_pow.
  71
  72 2009-06-26  Janus Weil  <janus@gcc.gnu.org>
  73
  74         PR fortran/39997
  75         PR fortran/40541
  76         * decl.c (add_hidden_procptr_result): Copy the typespec to the hidden
  77         result.
  78         * expr.c (gfc_check_pointer_assign): Enable interface check for
  79         procedure pointer assignments where the rhs is a function returning a
  80         procedure pointer.
  81         * resolve.c (resolve_symbol): If an external procedure with unspecified
  82         return type can not be implicitly typed, it must be a subroutine.
  83
  84 2009-06-24  Janus Weil  <janus@gcc.gnu.org>
  85
  86         PR fortran/40427
  87         * gfortran.h (gfc_component): New member 'formal_ns'.
  88         (gfc_copy_formal_args_ppc,void gfc_ppc_use): New.
  89         * interface.c (gfc_ppc_use): New function, analogous to
  90         gfc_procedure_use, but for procedure pointer components.
  91         * module.c (MOD_VERSION): Bump module version.
  92         (mio_component): Treat formal arguments.
  93         (mio_formal_arglist): Changed argument from gfc_symbol to
  94         gfc_formal_arglist.
  95         (mio_symbol): Changed argument of mio_formal_arglist.
  96         * resolve.c (resolve_ppc_call,resolve_expr_ppc): Call gfc_ppc_use,
  97         to check actual arguments and treat formal args correctly.
  98         (resolve_fl_derived): Copy formal args of procedure pointer components
  99         from their interface.
 100         * symbol.c (gfc_copy_formal_args_ppc): New function, analogous to
 101         gfc_copy_formal_args, but for procedure pointer components.
 102
 103 2009-06-22  Janus Weil  <janus@gcc.gnu.org>
 104
 105         PR fortran/37254
 106         PR fortran/39850
 107         * interface.c (compare_parameter): Set implicit type for function
 108         actual arguments with BT_UNKNOWN.
 109
 110 2009-06-22  Tobias Burnus  <burnus@net-b.de>
 111
 112         PR fortran/40472
 113         PR fortran/50520
 114         * simplify.c (gfc_simplify_spread): Fix the case that source=
 115         is a scalar.
 116
 117 2009-06-22  Paul Thomas  <pault@gcc.gnu.org>
 118
 119         PR fortran/40443
 120         * interface.c (gfc_search_interface): Hold back a match to an
 121         elementary procedure until all other possibilities are
 122         exhausted.
 123
 124 2009-06-22  Paul Thomas  <pault@gcc.gnu.org>
 125
 126         PR fortran/40472
 127         * simplify.c (gfc_simplify_spread): Restrict the result size to
 128         the limit for an array constructor.
 129
 130 2009-06-21  Janus Weil  <janus@gcc.gnu.org>
 131
 132         PR fortran/39850
 133         * interface.c (gfc_compare_interfaces): Take care of implicit typing
 134         when checking the function attribute. Plus another bugfix.
 135         (compare_parameter): Set attr.function and attr.subroutine according
 136         to the usage of a procedure as actual argument.
 137
 138 2009-06-20  Tobias Burnus  <burnus@net-b.de>
 139
 140         PR fortran/40452
 141         * trans-decl.c (add_argument_checking): Disable bounds check
 142         for allowed argument storage association.
 143
 144 2009-06-19  Paul Thomas  <pault@gcc.gnu.org>
 145
 146         PR fortran/40440
 147         * trans-expr.c (gfc_conv_procedure_call): Do not deallocate
 148         allocatable components if the argument is a pointer.
 149
 150 2009-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 151
 152         * gfortran.h (gfc_expr): Use mpc_t to represent complex numbers.
 153
 154         * arith.c, dump-parse-tree.c, expr.c, module.c, resolve.c,
 155         simplify.c, target-memory.c, target-memory.h, trans-const.c,
 156         trans-expr.c: Convert to mpc_t throughout.
 157
 158 2009-06-19  Ian Lance Taylor  <iant@google.com>
 159
 160         * cpp.c (struct gfc_cpp_option_data): Give this struct, used for
 161         the global variable gfc_cpp_option, a name.
 162
 163 2009-06-19  Janus Weil  <janus@gcc.gnu.org>
 164
 165         PR fortran/40450
 166         * trans-expr.c (gfc_conv_procedure_call): Only add an extra addr_expr
 167         to a procedure pointer actual argument, if it is not itself a
 168         dummy arg.
 169
 170 2009-06-18  Janus Weil  <janus@gcc.gnu.org>
 171
 172         PR fortran/40451
 173         * resolve.c (resolve_contained_fntype): Prevent implicit typing for
 174         procedures with explicit interface.
 175         * symbol.c (gfc_check_function_type): Ditto.
 176
 177 2009-06-16  Ian Lance Taylor  <iant@google.com>
 178
 179         * decl.c (build_struct): Rewrite loop over constructor elements.
 180
 181 2009-06-16  Janus Weil  <janus@gcc.gnu.org>
 182
 183         PR fortran/36947
 184         PR fortran/40039
 185         * expr.c (gfc_check_pointer_assign): Call 'gfc_compare_interfaces' with
 186         error message.
 187         * gfortran.h (gfc_compare_interfaces): Additional argument.
 188         * interface.c (operator_correspondence): Removed.
 189         (gfc_compare_interfaces): Additional argument to return error message.
 190         Directly use the code from 'operator_correspondence' instead of calling
 191         the function. Check for OPTIONAL. Some rearrangements.
 192         (check_interface1): Call 'gfc_compare_interfaces' without error message.
 193         (compare_parameter): Call 'gfc_compare_interfaces' with error message.
 194         * resolve.c (check_generic_tbp_ambiguity): Call 'gfc_compare_interfaces'
 195         without error message.
 196
 197 2009-06-16  Tobias Burnus  <burnus@net-b.de>
 198
 199         PR fortran/40383
 200         * trans-decl.c (create_function_arglist): Copy formal charlist to
 201         have a proper passed_length for -fcheck=bounds.
 202
 203 2009-06-12  Steven G. Kargl  <kargls@comcast.net>
 204
 205         * arith.c (gfc_enum_initializer): Move function ...
 206         * decl.c: ... here.  Remove gfc_ prefix and make static.
 207         (enumerator_decl): Update function call.
 208         * gfortran.h:  Remove gfc_enum_initializer prototype.
 209
 210 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
 211
 212         * trans-array.c (gfc_trans_allocate_array_storage): Pass
 213         location on down.
 214         (gfc_trans_array_constructor_value): Same.
 215         (gfc_trans_scalarized_loop_end): Same.
 216         (gfc_conv_ss_startstride): Same.
 217         (gfc_trans_g77_array): Same.
 218         (gfc_trans_dummy_array_bias): Same.
 219         (gfc_conv_array_parameter): Same.
 220         (structure_alloc_comps): Same.
 221         * trans-expr.c (gfc_conv_function_call): Same.
 222         (fill_with_spaces): Same.
 223         (gfc_trans_string_copy): Same.
 224         (gfc_trans_scalar_assign): Same.
 225         * trans-stmt.c (gfc_trans_goto): Same.
 226         (gfc_trans_if_1): Same.
 227         (gfc_trans_simple_do): Same.
 228         (gfc_trans_do): Same.
 229         (gfc_trans_do_while): Same.
 230         (gfc_trans_logical_select): Same.
 231         (gfc_trans_select): Same.
 232         (gfc_trans_forall_loop): Same.
 233         (gfc_trans_nested_forall_loop): Same.
 234         (generate_loop_for_temp_to_lhs): Same.
 235         (generate_loop_for_rhs_to_temp): Same.
 236         (gfc_trans_forall_1): Same.
 237         (gfc_trans_where_assign): Same.
 238         (gfc_trans_where_3): Same.
 239         (gfc_trans_allocate): Same.
 240         * trans.c (gfc_finish_block): Same.
 241         (gfc_trans_runtime_check): Same.
 242         (gfc_call_malloc): Same.
 243         (gfc_allocate_with_status): Same.
 244         (gfc_call_free): Same.
 245         (gfc_deallocate_with_status): Same.
 246         (gfc_call_realloc): Same.
 247         (gfc_trans_code): Same.
 248         * trans-decl.c (gfc_init_default_dt): Same.
 249         (gfc_generate_constructors): Same.
 250         * trans-io.c (gfc_trans_io_runtime_check): Same.
 251         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
 252         (gfc_conv_intrinsic_fdate): Same.
 253         (gfc_conv_intrinsic_ttynam): Same.
 254         (gfc_conv_intrinsic_minmax): Same.
 255         (gfc_conv_intrinsic_minmax_char): Same.
 256         (gfc_conv_intrinsic_anyall): Same.
 257         (gfc_conv_intrinsic_count): Same.
 258         (gfc_conv_intrinsic_arith): Same.
 259         (gfc_conv_intrinsic_minmaxloc): Same.
 260         (gfc_conv_intrinsic_minmaxval): Same.
 261         (gfc_conv_intrinsic_rrspacing): Same.
 262         (gfc_conv_intrinsic_array_transfer): Same.
 263         (gfc_conv_intrinsic_trim): Same.
 264         (gfc_conv_intrinsic_repeat): Same.
 265
 266 2009-06-12  Janus Weil  <janus@gcc.gnu.org>
 267
 268         PR fortran/40176
 269         * resolve.c (resolve_symbol): Additional error check, preventing an
 270         infinite loop.
 271
 272 2009-06-11  Paul Thomas  <pault@gcc.gnu.org>
 273
 274         PR fortran/40402
 275         * resolve.c (next_data_value): It is an error if the value is
 276         not constant.
 277
 278 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 279
 280         PR fortran/38718
 281         * intrinsic.c (add_functions): Add simplifiers for ISNAN,
 282         IS_IOSTAT_END and IS_IOSTAT_EOR.
 283         * intrinsic.h (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
 284         gfc_simplify_isnan): New prototypes.
 285         * intrinsic.c (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
 286         gfc_simplify_isnan): New functions.
 287
 288 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
 289
 290         * interface.c (fold_unary): Rename to...
 291         (fold_unary_intrinsic): ... this.
 292         (gfc_extend_expr): Adjust caller.
 293         (gfc_match_generic_spec): Likewise.  Initialize *op to INTRINSIC_NONE
 294         to avoid warnings.
 295         * expr.c (gfc_simplify_expr): Initialize start and end before calling
 296         gfc_extract_int.
 297
 298 2009-06-10  Dave Korn  <dave.korn.cygwin@gmail.com>
 299
 300         * trans-decl.c (create_main_function):  Don't build main decl twice.
 301
 302 2009-06-09  Tobias Burnus  <burnus@net-b.de>
 303
 304         * trans-decl.c (gfc_generate_function_code): Use gfc_option.rtcheck
 305         instead of flag_bounds_check.
 306         * intrinsic.texi (ISO_FORTRAN_ENV): Document INT{8,16,32,64} and
 307         REAL{32,64,128}.
 308
 309 2009-06-08  Paul Thomas  <pault@gcc.gnu.org>
 310
 311         * trans-array.h : Replace prototypes for
 312         gfc_conv_descriptor_offset, gfc_conv_descriptor_stride,
 313         gfc_conv_descriptor_lbound, gfc_conv_descriptor_ubound with new
 314         prototypes of the same names with _get or _set appended.
 315         * trans-array.c : Make the originals of the above static and
 316         new functions for the _get and _set functions. Update all the
 317         references to these descriptor access functions.
 318         * trans-expr.c : Update references to the above descriptor
 319         access functions.
 320         * trans-intrinsic.c : The same.
 321         * trans-openmp.c : The same.
 322         * trans-stmt.c : The same.
 323
 324 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
 325
 326         * options.c (gfc_post_options): Disable dump_parse_tree
 327         during -fcompare-debug-second.
 328
 329 2009-06-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 330
 331         PR fortran/40008
 332         * gfortran.h (gfc_open): Add newunit expression to structure.
 333         * io.c (io_tag): Add new unit tag and fix whitespace.
 334         (match_open_element): Add matching for newunit.
 335         (gfc_free_open): Free the newunit expression.
 336         (gfc_resolve_open): Add newunit to resolution and check constraints.
 337         (gfc_resolve_close): Add check for non-negative unit.
 338         (gfc_resolve_filepos): Likewise.
 339         (gfc_resolve_dt): Likewise.
 340         * trans-io.c (set_parameter_value): Build runtime checks for unit
 341         numbers within range of kind=4 integer. (gfc_trans_open) Set the
 342         newunit parameter.
 343         * ioparm.def (IOPARM): Define the newunit parameter as a pointer
 344         to GFC_INTEGER_4, pint4.
 345
 346 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 347
 348         PR fortran/25104
 349         PR fortran/29962
 350         * array.c (gfc_append_constructor): Added NULL-check.
 351         * check.c (gfc_check_spread): Check DIM.
 352         (gfc_check_unpack): Check that the ARRAY arguments provides enough
 353         values for MASK.
 354         * intrinsic.h (gfc_simplify_spread): New prototype.
 355         (gfc_simplify_unpack): Likewise.
 356         * intrinsic.c (add_functions): Added new simplifier callbacks.
 357         * simplify.c (gfc_simplify_spread): New.
 358         (gfc_simplify_unpack): New.
 359         * expr.c (check_transformational): Allow additional transformational
 360         intrinsics in initialization expression.
 361
 362 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 363
 364         PR fortran/25104
 365         PR fortran/29962
 366         * check.c (gfc_check_all_any): Check rank of DIM.
 367         (gfc_check_count): Likewise.
 368         * intrinsic.h (gfc_simplify_all): New prototype.
 369         (gfc_simplify_any): Likewise.
 370         (gfc_simplify_count): Likewise.
 371         (gfc_simplify_sum): Likewise.
 372         (gfc_simplify_product): Likewise.
 373         * intrinsic.c (add_functions): Added new simplifier callbacks.
 374         * simplify.c (transformational_result): New.
 375         (simplify_transformation_to_scalar): New.
 376         (simplify_transformation_to_array): New.
 377         (gfc_count): New.
 378         (gfc_simplify_all): New.
 379         (gfc_simplify_any): New.
 380         (gfc_simplify_count): New.
 381         (gfc_simplify_sum): New.
 382         (gfc_simplify_product): New.
 383         * expr.c (check_transformational): Allow additional transformational
 384         intrinsics in initialization expression.
 385
 386 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 387
 388         * check.c (dim_rank_check): Return SUCCESS if DIM=NULL.
 389         (gfc_check_lbound): Removed (now) redundant check for DIM=NULL.
 390         (gfc_check_minloc_maxloc): Likewise.
 391         (check_reduction): Likewise.
 392         (gfc_check_size): Likewise.
 393         (gfc_check_ubound): Likewise.
 394         (gfc_check_cshift): Added missing shape-conformance checks.
 395         (gfc_check_eoshift): Likewise.
 396         * gfortran.h (gfc_check_conformance): Modified prototype to printf-style.
 397         * expr.c (gfc_check_conformance): Accept error-message chunks in
 398         printf-style. Changed all callers.
 399
 400
 401 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 402
 403         PR fortran/25104
 404         PR fortran/29962
 405         * intrinsic.h (gfc_simplify_dot_product): New prototype.
 406         (gfc_simplify_matmul): Likewise.
 407         (gfc_simplify_transpose): Likewise.
 408         * intrinsic.c (add_functions): Added new simplifier callbacks.
 409         * simplify.c (init_result_expr): New.
 410         (compute_dot_product): New.
 411         (gfc_simplify_dot_product): New.
 412         (gfc_simplify_matmul): New.
 413         (gfc_simplify_transpose): New.
 414         * expr.c (check_transformational): Allow transformational intrinsics
 415         with simplifier in initialization expression.
 416
 417 2009-06-06  Daniel Franke  <franke.daniel@gmail.com>
 418
 419         PR fortran/37203
 420         * simplify.c (gfc_simplify_reshape): Fixed reshaping of empty arrays
 421         without padding.
 422
 423 2009-06-06  Daniel Franke  <franke.daniel@gmail.com>
 424
 425         PR fortran/32890
 426         * intrinsic.h (gfc_simplify_pack): New prototype.
 427         * intrinsic.c (add_functions): Added
 428         simplifier-callback to PACK.
 429         * simplify.c (is_constant_array_expr): Moved
 430         to beginning of file.
 431         (gfc_simplify_pack): New.
 432         * check.c (gfc_check_pack): Check that VECTOR has enough elements.
 433         Added safeguards for empty arrays.
 434
 435 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 436
 437         * simplify.c (call_mpc_func): Use mpc_realref/mpc_imagref
 438         instead of MPC_RE/MPC_IM.
 439
 440 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
 441
 442         * trans-decl.c (gfc_build_qualified_array): Don't skip generation
 443         of range types.
 444         * trans.h (struct lang_type): Add base_decls.
 445         (GFC_TYPE_ARRAY_BASE_DECL): New.
 446         * trans-types.c (gfc_get_array_type_bounds): Initialize base decls
 447         proactively and excessively.
 448         (gfc_get_array_descr_info): Use existing base decls if available.
 449
 450 2009-06-04  Daniel Franke  <franke.daniel@gmail.com>
 451
 452         PR fortran/37203
 453         * check.c (gfc_check_reshape): Additional checks for the
 454         SHAPE and ORDER arguments.
 455         * simplify.c (gfc_simplify_reshape): Converted argument checks
 456         to asserts.
 457
 458 2009-06-03  Tobias Burnus  <burnus@net-b.de>
 459
 460         * gfortran.texi: Add mixed-language programming, mention
 461         varying string lengths, some clean up of introduction parts.
 462         * intrinsic.texi (instrinsic modules): Create @menu for subsections.
 463         (ISO_C_BINDING): Support ISOCBINDING_INT_FAST128_T.
 464         * libgfortran.h: Comment to rember to keep gfortran.texi in sync.
 465         * iso-c-binding.def: Support ISOCBINDING_INT_FAST128_T.
 466
 467 2009-06-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 468             Tobias Burnus  <burnus@net-b.de>
 469
 470         * iso-c-binding.def: Use INTMAX_TYPE instead of intmax_type_node.
 471         * trans-types.c (init_c_interop_kinds): Remove intmax_type_node.
 472
 473 2009-06-03  Alexandre Oliva  <aoliva@redhat.com>
 474
 475         * module.c (mio_f2k_derived): Initialize cur.
 476
 477 2009-06-01  Tobias Burnus  <burnus@net-b.de>
 478
 479         PR fortran/40309
 480         * trans-decl.c (gfc_sym_identifier): Use "MAIN__" for PROGRAM "main".
 481         (create_main_function): Set main_identifier_node.
 482
 483 2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 484
 485         PR fortran/40019
 486         * trans-types.c (gfc_build_uint_type): Make nonstatic.
 487         * trans.h (gfor_fndecl_clz128, gfor_fndecl_ctz128): New prototypes.
 488         * trans-types.h (gfc_build_uint_type): Add prototype.
 489         * trans-decl.c (gfc_build_intrinsic_function_decls): Build
 490         gfor_fndecl_clz128 and gfor_fndecl_ctz128.
 491         * trans-intrinsic.c (gfc_conv_intrinsic_leadz,
 492         gfc_conv_intrinsic_trailz): Call the right builtins or library
 493         functions, and cast arguments to unsigned types first.
 494         * simplify.c (gfc_simplify_leadz): Deal with negative arguments.
 495
 496 2009-05-27  Ian Lance Taylor  <iant@google.com>
 497
 498         * Make-lang.in (gfortran$(exeext)): Change $(COMPILER) to
 499         $(LINKER).
 500         (f951$(exeext)): Likewise.
 501
 502 2009-05-27  Tobias Burnus  <burnus@net-b.de>
 503
 504         PR fortran/40270
 505         * trans-decl.c (create_main_function): Mark MAIN__ and
 506         argc/argv as TREE_USED and push/pop function_decl context
 507         if needed.
 508
 509 2009-05-26  Tobias Burnus  <burnus@net-b.de>
 510
 511         PR fortran/39178
 512         * gfortranspec.c (lang_specific_driver): Stop linking
 513         libgfortranbegin.
 514         * trans-decl.c (gfc_build_builtin_function_decls): Stop
 515         making MAIN__ publicly visible.
 516         (gfc_build_builtin_function_decls): Add
 517         gfor_fndecl_set_args.
 518         (create_main_function) New function.
 519         (gfc_generate_function_code): Use it.
 520
 521 2009-05-26  Tobias Burnus  <burnus@net-b.de>
 522
 523         PR fortran/40246
 524         * match.c (gfc_match_nullify): NULLify freed pointer.
 525
 526 2009-05-26  Ian Lance Taylor  <iant@google.com>
 527
 528         * Make-lang.in (gfortranspec.o): Use $(COMPILER).
 529         (gfortran$(exeext), f951$(exeext), fortran/cpp.o): Likewise.
 530
 531 2009-05-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 532
 533         * gfortran.h (GFC_MPC_RND_MODE): New.
 534         * simplify.c (call_mpc_func): New helper function.
 535         (gfc_simplify_cos, gfc_simplify_exp, gfc_simplify_log,
 536         gfc_simplify_sin, gfc_simplify_sqrt): Add MPC support.
 537
 538 2009-05-25  Janus Weil  <janus@gcc.gnu.org>
 539
 540         PR fortran/40176
 541         * primary.c (gfc_match_varspec): Handle procedure pointer components
 542         with array return value.
 543         * resolve.c (resolve_expr_ppc): Ditto.
 544         (resolve_symbol): Make sure the interface of a procedure pointer has
 545         been resolved.
 546         * trans-array.c (gfc_walk_function_expr): Handle procedure pointer
 547         components with array return value.
 548         * trans-expr.c (gfc_conv_component_ref,gfc_conv_procedure_call,
 549         gfc_trans_arrayfunc_assign): Ditto.
 550         (gfc_trans_pointer_assignment): Handle procedure pointer assignments,
 551         where the rhs is a dummy argument.
 552         * trans-types.c (gfc_get_ppc_type,gfc_get_derived_type): Handle
 553         procedure pointer components with array return value.
 554
 555 2009-05-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 556             Dominique Dhumieres
 557
 558         PR fortran/35732
 559         PR fortran/39872
 560         * trans-array.c (gfc_conv_ss_startstride): Add one to index.
 561
 562 2009-05-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 563
 564         PR fortran/40195
 565         * module.c (read_md5_from_module_file): Close file before returning.
 566
 567 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 568
 569         PR fortran/40164
 570         * primary.c (gfc_match_rvalue): Handle procedure pointer components in
 571         arrays.
 572         * resolve.c (resolve_ppc_call,resolve_expr_ppc): Resolve component and
 573         array references.
 574         (resolve_fl_derived): Procedure pointer components are not required to
 575         have constant array bounds in their return value.
 576
 577 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 578
 579         * intrinsic.c (add_sym): Fix my last commit (r147655),
 580         which broke bootstrap.
 581
 582 2009-05-18  Richard Guenther  <rguenther@suse.de>
 583
 584         PR fortran/40168
 585         * trans-expr.c (gfc_trans_zero_assign): For local array
 586         destinations use an assignment from an empty constructor.
 587
 588 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 589
 590         PR fortran/36947
 591         PR fortran/40039
 592         * expr.c (gfc_check_pointer_assign): Check intents when comparing
 593         interfaces.
 594         * gfortran.h (typedef struct gfc_intrinsic_arg): Add 'intent' member.
 595         (gfc_compare_interfaces): Additional argument.
 596         * interface.c (operator_correspondence): Add check for equality of
 597         intents, and new argument 'intent_check'.
 598         (gfc_compare_interfaces): New argument 'intent_check', which is passed
 599         on to operator_correspondence.
 600         (check_interface1): Don't check intents when comparing interfaces.
 601         (compare_parameter): Do check intents when comparing interfaces.
 602         * intrinsic.c (add_sym): Add intents for arguments of intrinsic
 603         procedures.
 604         (add_sym_1,add_sym_1s,add_sym_1m,add_sym_2,add_sym_2s,add_sym_3,
 605         add_sym_3ml,add_sym_3red,add_sym_3s,add_sym_4): Use INTENT_IN by
 606         default.
 607         (add_sym_1_intent,add_sym_1s_intent,add_sym_2s_intent,add_sym_3s_intent)
 608         : New functions to add intrinsic symbols, specifying custom intents.
 609         (add_sym_4s,add_sym_5s): Add new arguments to specify intents.
 610         (add_functions,add_subroutines): Add intents for various intrinsics.
 611         * resolve.c (check_generic_tbp_ambiguity): Don't check intents when
 612         comparing interfaces.
 613         * symbol.c (gfc_copy_formal_args_intr): Copy intent.
 614
 615 2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 616
 617         * iso-fortran-env.def: Define INT8, INT16, INT32, INT64, REAL32,
 618         REAL64 and REAL128.
 619         * gfortran.h (gfc_get_int_kind_from_width_isofortranenv,
 620         gfc_get_real_kind_from_width_isofortranenv): New prototypes.
 621         * iso-c-binding.def: Update definitions for the INT*_T,
 622         INT_LEAST*_T and INT_FAST*_T named parameters.
 623         * trans-types.c (get_typenode_from_name, get_int_kind_from_name,
 624         gfc_get_real_kind_from_width_isofortranenv): New functions.
 625
 626 2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 627
 628         PR fortran/36260
 629         * intrinsic.c (add_functions, add_subroutines): Fix argument
 630         names and wrap long lines.
 631         * intrinsic.texi: Fix documentation and argument names of
 632         LOG_GAMMA, DATAN2, DBESJN, DTIME, ETIME, FSTAT, STAT, LSTAT,
 633         GET_COMMAND, IDATE, LTIME, MOVE_ALLOC, NINT, OR, PRODUCT,
 634         SUM, RAND, RANDOM_SEED, REAL, SELECTED_INT_KIND,
 635         SELECTED_REAL_KIND and XOR.
 636
 637 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 638
 639         PR fortran/33197
 640         * intrinsic.c (add_functions): Use ERFC_SCALED simplification.
 641         * intrinsic.h (gfc_simplify_erfc_scaled): New prototype.
 642         * simplify.c (fullprec_erfc_scaled, asympt_erfc_scaled,
 643         gfc_simplify_erfc_scaled): New functions.
 644
 645 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 646
 647         PR fortran/31243
 648         * resolve.c (resolve_substring): Don't allow too large substring
 649         indexes.
 650         (gfc_resolve_substring_charlen): Fix typo.
 651         (gfc_resolve_character_operator): Fix typo.
 652         (resolve_charlen): Catch unreasonably large string lengths.
 653         * simplify.c (gfc_simplify_len): Don't error out on LEN
 654         range checks.
 655
 656 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 657
 658         PR fortran/36031
 659         * decl.c (set_enum_kind): Use global short-enums flag.
 660         * gfortran.h (gfc_option_t): Remove short_enums flag.
 661         * lang.opt (-fshort-enums): Refer to C documentation.
 662         * options.c (gfc_init_options, gfc_handle_option): Use global
 663         short-enums flag.
 664
 665 2009-05-15  Tobias Burnus  <burnus@net-b.de>
 666
 667         PR fortran/39352
 668         * f95-lang.c: Add gfc_maybe_initialize_eh.
 669         * gfortran.h: Add gfc_maybe_initialize_eh prototype.
 670         * Make-lang.in: Add new .h dendencies for f95-lang.c
 671         * openmp.c (resolve_omp_do): Call gfc_maybe_initialize_eh.
 672         * misc.c (gfc_free): Avoid #define trickery for free.
 673
 674 2009-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>
 675
 676         * dump-parse-tree.c (show_code_node): Add ERRMSG to the dumping
 677         of allocate and deallocate statements.
 678
 679 2009-05-14  Ian Lance Taylor  <iant@google.com>
 680
 681         * decl.c (match_attr_spec): Change d to unsigned int.
 682         * dump-parse-tree.c (show_namespace): Change op to int.  Add cast.
 683         * interface.c (gfc_check_interfaces): Change i to int.  Add casts.
 684         * module.c (read_module): Change i to int.  Add cast.
 685         (write_module): Change i to int.
 686         * symbol.c (gfc_get_namespace): Change in to int.
 687         (gfc_free_namespace): Change i to int.
 688         * trans-io.c (gfc_build_io_library_fndecls): Change ptype to
 689         unsigned int.  Add cast.
 690         * trans-types.c (gfc_init_kinds): Change mode to unsigned int.
 691         Add casts.
 692
 693 2009-05-14  Daniel Kraft  <d@domob.eu>
 694
 695         PR fortran/40045
 696         * dump-parse-tree.c (show_typebound): Fix missing adaption to new
 697         type-bound procedure storage structure.
 698
 699 2009-05-14  Janus Weil  <janus@gcc.gnu.org>
 700
 701         PR fortran/39996
 702         * decl.c (gfc_match_function_decl): Use gfc_add_type.
 703         * symbol.c (gfc_add_type): Better checking for duplicate types in
 704         function declarations. And: Always give an error for duplicte types,
 705         not just a warning with -std=gnu.
 706
 707 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
 708
 709         PR fortran/39865
 710         * io.c (resolve_tag_format): CHARACTER array in FMT= argument
 711         isn't an extension.  Reject non-CHARACTER array element of
 712         assumed shape or pointer or assumed size array.
 713         * trans-array.c (array_parameter_size): New function.
 714         (gfc_conv_array_parameter): Add size argument.  Call
 715         array_parameter_size if it is non-NULL.
 716         * trans-array.h (gfc_conv_array_parameter): Adjust prototype.
 717         * trans-expr.c (gfc_conv_function_call, gfc_trans_arrayfunc_assign):
 718         Adjust callers.
 719         * trans-intrinsic.c (gfc_conv_intrinsic_loc): Likewise.
 720         * trans-io.c (gfc_convert_array_to_string): Rewritten.
 721
 722 2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 723
 724         * gfortran.h (gfc_code): Rename struct member expr to expr1.
 725         * openmp.c (resolve_omp_atomic): Update expr to expr1.
 726         * interface.c (gfc_extend_assign): Ditto.
 727         * trans-expr.c (gfc_conv_expr_reference, gfc_trans_assignment,
 728         gfc_trans_init_assign): Ditto.
 729         * dump-parse-tree.c (show_code_node): Ditto.
 730         * trans-openmp.c (gfc_trans_omp_atomic): Ditto.
 731         * trans-stmt.c ( gfc_trans_label_assign, gfc_trans_goto, gfc_trans_call,
 732         gfc_trans_return, gfc_trans_pause, gfc_trans_stop, gfc_trans_if_1,
 733         gfc_trans_arithmetic_if, gfc_trans_do_while, gfc_trans_integer_select,
 734         gfc_trans_logical_select, gfc_trans_character_select
 735         forall_make_variable_temp, check_forall_dependencies
 736         gfc_trans_forall_1, gfc_trans_where_2, gfc_trans_where_3
 737         gfc_trans_where, gfc_trans_allocate, gfc_trans_deallocate): Ditto.
 738         * io.c (match_io_element, gfc_match_inquire): Ditto.
 739         * resolve.c (resolve_typebound_call, resolve_ppc_call,
 740         resolve_allocate_expr, resolve_allocate_deallocate, resolve_select,
 741         resolve_transfer, resolve_where, gfc_resolve_assign_in_forall,
 742         gfc_resolve_blocks, resolve_code, build_init_assign): Ditto.
 743         * st.c (gfc_free_statement): Ditto.
 744         * match.c (gfc_match_assignment, gfc_match_pointer_assignment,
 745         match_arithmetic_if, gfc_match_if, gfc_match_elseif
 746         gfc_match_stopcode, gfc_match_assign, gfc_match_goto,
 747         gfc_match_nullify, match_typebound_call, gfc_match_call
 748         gfc_match_select, match_simple_where, gfc_match_where
 749         gfc_match_elsewhere, match_simple_forall, gfc_match_forall): Ditto.
 750         * trans-io.c (gfc_trans_transfer): Ditto.
 751         * parse.c (parse_where_block, parse_if_block): Ditto.
 752
 753 2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 754
 755         * gfortran.h (gfc_code): Rename struct member label to label1.
 756         * dump-parse-tree.c (show_code_node): Update symbol.
 757         * trans-stmt.c (gfc_trans_label_assign, gfc_trans_goto,
 758         gfc_trans_arithmetic_if): Ditto.
 759         * resolve.c (gfc_resolve_blocks, resolve_code): Ditto.
 760         * match.c (match_arithmetic_if, gfc_match_if, gfc_reference_st_label,
 761         gfc_match_assign, gfc_match_goto): Ditto.
 762         * parse.c (parse_do_block): Ditto.
 763
 764 2009-05-13  Tobias Burnus  <burnus@net-b.de>
 765
 766         PR fortran/34153
 767         * gfortran.h (gfc_exec_op): Add EXEC_END_PROCEDURE.
 768         * dump-parse-tree.c (show_code_node): Use EXEC_END_PROCEDURE.
 769         * trans.c (gfc_trans_code): Ditto.
 770         * resolve.c (resolve_code): Ditto.
 771         * st.c (gfc_free_statement): Ditto.
 772         * parse.c (accept_statement): Ditto.
 773
 774 2009-05-12  Tobias Burnus  <burnus@net-b.de>
 775
 776         PR fortran/40110
 777         * decl.c (gfc_match_kind_spec): Turn C kind error into a warning.
 778
 779 2009-05-11  Steve Ellcey  <sje@cup.hp.com>
 780
 781         * resolve.c (check_host_association): Initialize tail.
 782
 783 2009-05-11  Janus Weil  <janus@gcc.gnu.org>
 784
 785         PR fortran/40089
 786         * resolve.c (resolve_fl_derived): Only return FAILURE if
 787         gfc_notify_std fails.
 788
 789 2009-05-10  Ian Lance Taylor  <iant@google.com>
 790
 791         * gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of
 792         gfc_omp_clauses.
 793         (enum gfc_omp_default_sharing): Likewise.
 794         * module.c (enum gfc_rsym_state): New enum, broken out of
 795         pointer_info.
 796         (enum gfc_wsym_state): Likewise.
 797         * parse.c (enum state_order): New enum, broken out of st_state.
 798
 799 2009-05-10  Paul Thomas  <pault@gcc.gnu.org>
 800
 801         PR fortran/40018
 802         * trans-array.c (gfc_trans_array_constructor_value): Fold
 803         convert numeric constants.
 804         (gfc_build_constant_array_constructor): The same.
 805
 806 2009-05-10  Paul Thomas  <pault@gcc.gnu.org>
 807
 808         PR fortran/38863
 809         * trans-expr.c (gfc_conv_operator_assign): Remove function.
 810         * trans.h : Remove prototype for gfc_conv_operator_assign.
 811         * trans-stmt.c (gfc_conv_elemental_dependencies): Initialize
 812         derivde types with intent(out).
 813         (gfc_trans_call): Add mask, count1 and invert arguments. Add
 814         code to use mask for WHERE assignments.
 815         (gfc_trans_forall_1): Use new arguments for gfc_trans_call.
 816         (gfc_trans_where_assign): The gfc_symbol argument is replaced
 817         by the corresponding code. If this has a resolved_sym, then
 818         gfc_trans_call is called. The call to gfc_conv_operator_assign
 819         is removed.
 820         (gfc_trans_where_2): Change the last argument in the call to
 821         gfc_trans_where_assign.
 822         * trans-stmt.h : Modify prototype for gfc_trans_call.
 823         * trans.c (gfc_trans_code): Use new args for gfc_trans_call.
 824
 825 2009-05-08  Janus Weil  <janus@gcc.gnu.org>
 826
 827         PR fortran/39876
 828         * intrinsic.c (gfc_is_intrinsic): Do not add the EXTERNAL attribute if
 829         the symbol is a module procedure.
 830
 831 2009-05-08  Tobias Burnus  <burnus@net-b.de>
 832
 833         * invoke.texi: Add do/recursion to the -fcheck= summary.
 834
 835 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 836
 837         PR fortran/38830
 838         * gfortran.texi: Document that we don't support variable FORMAT
 839         expressions.
 840
 841 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 842
 843         PR fortran/39576
 844         * error.c (error_print): Add missing break statement.
 845
 846 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 847
 848         PR fortran/36382
 849         * invoke.texi: Document that -fdollar-ok does not allow $ to be
 850         used in IMPLICIT statement.
 851
 852 2009-05-06  Janus Weil  <janus@gcc.gnu.org>
 853             Paul Thomas  <pault@gcc.gnu.org>
 854
 855         PR fortran/39630
 856         * decl.c (match_procedure_interface): New function to match the
 857         interface for a PROCEDURE statement.
 858         (match_procedure_decl): Call match_procedure_interface.
 859         (match_ppc_decl): New function to match the declaration of a
 860         procedure pointer component.
 861         (gfc_match_procedure):  Call match_ppc_decl.
 862         (match_binding_attributes): Add new argument 'ppc' and handle the
 863         POINTER attribute for procedure pointer components.
 864         (match_procedure_in_type,gfc_match_generic): Added new argument to
 865         match_binding_attributes.
 866         * dump-parse-tree.c (show_expr,show_components,show_code_node): Handle
 867         procedure pointer components.
 868         * expr.c (free_expr0,gfc_copy_expr,gfc_simplify_expr): Handle EXPR_PPC.
 869         (gfc_check_pointer_assign): Handle procedure pointer components, but no
 870         full checking yet.
 871         (is_proc_ptr_comp): New function to determine if an expression is a
 872         procedure pointer component.
 873         * gfortran.h (expr_t): Add EXPR_PPC.
 874         (symbol_attribute): Add new member 'proc_pointer_comp'.
 875         (gfc_component): Add new member 'formal'.
 876         (gfc_exec_op): Add EXEC_CALL_PPC.
 877         (gfc_get_default_type): Changed first argument.
 878         (is_proc_ptr_comp): Add prototype.
 879         (gfc_match_varspec): Add new argument.
 880         * interface.c (compare_actual_formal): Handle procedure pointer
 881         components.
 882         * match.c (gfc_match_pointer_assignment,match_typebound_call): Handle
 883         procedure pointer components.
 884         * module.c (mio_expr): Handle EXPR_PPC.
 885         * parse.c (parse_derived): Handle procedure pointer components.
 886         * primary.c (gfc_match_varspec): Add new argument 'ppc_arg' and handle
 887         procedure pointer components.
 888         (gfc_variable_attr): Handle procedure pointer components.
 889         (gfc_match_rvalue): Added new argument to gfc_match_varspec and changed
 890         first argument of gfc_get_default_type.
 891         (match_variable): Added new argument to gfc_match_varspec.
 892         * resolve.c (resolve_entries,set_type,resolve_fl_parameter): Changed
 893         first argument of gfc_get_default_type.
 894         (resolve_structure_cons,resolve_actual_arglist): Handle procedure
 895         pointer components.
 896         (resolve_ppc_call): New function to resolve a call to a procedure
 897         pointer component (subroutine).
 898         (resolve_expr_ppc): New function to resolve a call to a procedure
 899         pointer component (function).
 900         (gfc_resolve_expr): Handle EXPR_PPC.
 901         (resolve_code): Handle EXEC_CALL_PPC.
 902         (resolve_fl_derived): Copy the interface for a procedure pointer
 903         component.
 904         (resolve_symbol): Fix overlong line.
 905         * st.c (gfc_free_statement): Handle EXEC_CALL_PPC.
 906         * symbol.c (gfc_get_default_type): Changed first argument.
 907         (gfc_set_default_type): Changed first argument of gfc_get_default_type.
 908         (gfc_add_component): Initialize ts.type to BT_UNKNOWN.
 909         * trans.h (gfc_conv_function_call): Renamed.
 910         * trans.c (gfc_trans_code): Handle EXEC_CALL_PPC.
 911         * trans-expr.c (gfc_conv_component_ref): Ditto.
 912         (gfc_conv_function_val): Rename to 'conv_function_val', add new
 913         argument 'expr' and handle procedure pointer components.
 914         (gfc_conv_operator_assign): Renamed gfc_conv_function_val.
 915         (gfc_apply_interface_mapping_to_expr): Handle EXPR_PPC.
 916         (gfc_conv_function_call): Rename to 'gfc_conv_procedure_call', add new
 917         argument 'expr' and handle procedure pointer components.
 918         (gfc_get_proc_ptr_comp): New function to get the backend decl for a
 919         procedure pointer component.
 920         (gfc_conv_function_expr): Renamed gfc_conv_function_call.
 921         (gfc_conv_structure): Handle procedure pointer components.
 922         * trans-intrinsic.c (gfc_conv_intrinsic_funcall,
 923         conv_generic_with_optional_char_arg): Renamed gfc_conv_function_call.
 924         * trans-stmt.h (gfc_get_proc_ptr_comp): Add prototype.
 925         * trans-stmt.c (gfc_trans_call): Renamed gfc_conv_function_call.
 926         * trans-types.h (gfc_get_ppc_type): Add prototype.
 927         * trans-types.c (gfc_get_ppc_type): New function to build a tree node
 928         for a procedure pointer component.
 929         (gfc_get_derived_type): Handle procedure pointer components.
 930
 931 2009-05-06  Tobias Burnus  <burnus@net-b.de>
 932
 933         PR fortran/40041
 934         * resolve.c (resolve_symbol): Print no warning for implicitly
 935         typed intrinsic functions.
 936
 937 2009-05-05  Janus Weil  <janus@gcc.gnu.org>
 938
 939         PR fortran/39998
 940         * expr.c (gfc_check_pointer_assign): Check for statement functions and
 941         internal procedures in procedure pointer assignments.
 942
 943 2009-04-28  Janus Weil  <janus@gcc.gnu.org>
 944
 945         PR fortran/39946
 946         * resolve.c (resolve_symbol): Correctly copy the interface of a
 947         PROCEDURE statement if the interface involves a RESULT variable.
 948
 949 2009-04-28  Janus Weil  <janus@gcc.gnu.org>
 950
 951         PR fortran/39930
 952         PR fortran/39931
 953         * expr.c (gfc_check_pointer_assign): Correctly detect if the left hand
 954         side is a pointer.
 955         * parse.c (gfc_fixup_sibling_symbols): Don't check for ambiguity.
 956
 957 2009-04-28  Paul Thomas  <pault@gcc.gnu.org>
 958
 959         PR fortran/39879
 960         * trans_expr.c (gfc_conv_procedure_call): Deep copy a derived
 961         type parentheses argument if it is a variable with allocatable
 962         components.
 963
 964 2009-04-27  Ian Lance Taylor  <iant@google.com>
 965
 966         * trans-intrinsic.c (DEFINE_MATH_BUILTIN): Add casts to enum
 967         type.
 968         * trans-io.c (st_parameter_field): Add casts to enum type.
 969
 970 2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>
 971
 972         PR fortran/39893
 973         fortran/data.c (gfc_assign_data_value): If the lvalue is an
 974         assumed character length entity in a data statement, then
 975         return FAILURE to prevent segmentation fault.
 976
 977 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
 978
 979         * trans-decl.c: Include pointer-set.h.
 980         (nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
 981         (gfc_nonlocal_dummy_array_decl): New function.
 982         (gfc_get_symbol_decl): Call it for non-local dummy args with saved
 983         descriptor.
 984         (gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
 985         (gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
 986         chain it to outermost block's vars, destroy it afterwards.
 987         * Make-lang.in (trans-decl.o): Depend on pointer-set.h.
 988
 989 2009-04-25  Janus Weil  <janus@gcc.gnu.org>
 990
 991         PR fortran/39688
 992         * decl.c (gfc_match_import): Use 'sym->name' instead of 'name'.
 993         They differ if the symbol has been use-renamed.
 994
 995 2009-04-24  Ian Lance Taylor  <iant@google.com>
 996
 997         * gfortran.h (enum gfc_symbol_type): New named enum type, broken
 998         out of struct gfc_symbol.
 999         (struct gfc_symbol): Use enum gfc_symbol_type.
1000         (enum gfc_array_ref_dimen_type): New named enum type, broken out
1001         of struct gfc_array_ref).
1002         (struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
1003         (mod_pointee_as): Update declaration.
1004         * decl.c (add_global_entry): Change type to enum gfc_symbol_type.
1005         (gfc_mod_pointee_as): Change return type to "match".
1006         * module.c (mio_array_ref): Add cast to enum type.
1007         (mio_symbol): Likewise.
1008         * resolve.c (resolve_global_procedure): Change type to enum
1009         gfc_symbol_type.
1010         * trans-io.c (gfc_build_st_parameter): Change type to unsigned
1011         int.
1012
1013 2009-04-24  Daniel Kraft  <d@domob.eu>
1014
1015         * gfortran.h (gfc_get_typebound_proc): Removed as macro, now a function.
1016         (struct gfc_symtree): Moved "typebound" member inside union.
1017         (struct gfc_namespace): Add "tb_sym_root" as new symtree to sort out
1018         type-bound procedures there.
1019         (gfc_get_tbp_symtree): New procedure.
1020         * symbol.c (tentative_tbp_list): New global.
1021         (gfc_get_namespace): NULL new "tb_sym_root" member.
1022         (gfc_new_symtree): Removed initialization of "typebound" member.
1023         (gfc_undo_symbols): Process list of tentative tbp's.
1024         (gfc_commit_symbols): Ditto.
1025         (free_tb_tree): New method.
1026         (gfc_free_namespace): Call it.
1027         (gfc_get_typebound_proc): New method.
1028         (gfc_get_tbp_symtree): New method.
1029         (gfc_find_typebound_proc): Adapt to structural changes of gfc_symtree
1030         and gfc_namespace with regards to tbp's.
1031         * dump-parse-tree.c (show_typebound): Ditto.
1032         * primary.c (gfc_match_varspec): Ditto.  Don't reference tbp-symbol
1033         as it isn't a symbol any longer.
1034         * module.c (mio_typebound_symtree): Adapt to changes.
1035         (mio_typebound_proc): Ditto, create symtrees using "gfc_get_tbp_symtree"
1036         rather than "gfc_get_sym_tree".
1037         (mio_f2k_derived): Ditto.
1038         * decl.c (match_procedure_in_type): Ditto.
1039         (gfc_match_generic): Ditto.  Don't reference tbp-symbol.
1040         * resolve.c (check_typebound_override): Adapt to changes.
1041         (resolve_typebound_generic): Ditto.
1042         (resolve_typebound_procedures): Ditto.
1043         (ensure_not_abstract_walker): Ditto.
1044         (ensure_not_abstract): Ditto.
1045         (resolve_typebound_procedure): Ditto, ignore erraneous symbols (for
1046         instance, through removed tentative ones).
1047         * gfc-internals.texi (Type-bound procedures): Document changes.
1048
1049 2009-04-24  Janus Weil  <janus@gcc.gnu.org>
1050
1051         PR fortran/39861
1052         PR fortran/39864
1053         * symbol.c (gfc_copy_formal_args_intr): Set attr.flavor and attr.dummy
1054         for the formal arguments.
1055
1056 2009-04-21  Taras Glek <tglek@mozilla.com>
1057
1058         * f95-lang.c: Update GTY annotations to new syntax.
1059         * trans-intrinsic.c: Likewise.
1060         * trans-io.c: Likewise.
1061         * trans.h: Likewise.
1062
1063 2009-04-22  Janus Weil  <janus@gcc.gnu.org>
1064
1065         PR fortran/39735
1066         * decl.c (add_hidden_procptr_result): Bugfix for procptr results.
1067         (match_procedure_decl): Set if_source.
1068         * expr.c (gfc_check_pointer_assign): Bugfix: Return after error.
1069         And: Check interface also for IFSRC_UNKNOWN (return type may be known).
1070         * gfortran.h (typedef enum ifsrc): Remove IFSRC_USAGE,
1071         add documentation. Rename copy_formal_args and copy_formal_args_intr.
1072         * interface.c (gfc_compare_interfaces): Check for return types,
1073         handle IFSRC_UNKNOWN.
1074         (compare_intr_interfaces,compare_actual_formal_intr): Obsolete, removed.
1075         (gfc_procedure_use): Modified handling of intrinsics.
1076         * intrinsic.c (add_functions): Bugfix for "dim".
1077         * resolve.c (resolve_intrinsic): New function to resolve intrinsics,
1078         which copies the interface from isym to sym.
1079         (resolve_procedure_expression,resolve_function): Use new function
1080         'resolve_intrinsic'.
1081         (resolve_symbol): Add function attribute for externals with return type
1082         and use new function 'resolve_intrinsic'.
1083         * symbol.c (ifsrc_types): Remove string for IFSRC_USAGE.
1084         (copy_formal_args): Renamed to gfc_copy_formal_args.
1085         (copy_formal_args_intr): Renamed to gfc_copy_formal_args_intr.
1086         * trans-const.c (gfc_conv_const_charlen): Handle cl==NULL.
1087
1088 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
1089
1090         * ChangeLog, ChangeLog-2002, ChangeLog-2003, ChangeLog-2004,
1091         ChangeLog-2005, ChangeLog-2006, ChangeLog-2007, ChangeLog-2008,
1092         ChangeLog.ptr, config-lang.in, ioparm.def, mathbuiltins.def: Add
1093         copyright and license notices.
1094         * ChangeLog, ChangeLog-2005, ChangeLog-2006, ChangeLog-2007,
1095         ChangeLog-2008: Correct dates.
1096
1097 2009-04-20  Tobias Burnus  <burnus@net-b.de>
1098
1099         PR fortran/39811
1100         * scanner.c (load_line): Fix bogus "&" compile-time diagnostic.
1101
1102 2009-04-20  Paul Thomas  <pault@gcc.gnu.org>
1103
1104         PR fortran/39800
1105         * resolve.c (is_sym_host_assoc): New function.
1106         (resolve_fl_derived): Call it when checking PRIVATE components
1107         of PUBLIC derived types.  Change gfc_error to a gfc_notify_std
1108         with std=f2003.
1109         (resolve_fl_namelist): Call it twice to check for host
1110         association.
1111
1112 2009-04-20  Ian Lance Taylor  <iant@google.com>
1113
1114         * module.c (import_iso_c_binding_module): Add casts to enum type.
1115         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
1116         tree_code.
1117         (gfc_conv_intrinsic_anyall): Likewise.
1118         (gfc_conv_intrinsic_arith): Likewise.
1119         (gfc_conv_intrinsic_minmaxloc): Likewise.
1120         (gfc_conv_intrinsic_minmaxval): Likewise.
1121         (gfc_conv_intrinsic_bitop): Likewise.
1122         (gfc_conv_intrinsic_singlebitop): Likewise.
1123         (gfc_conv_intrinsic_strcmp): Likewise.
1124
1125 2009-04-20  Vasilis Liaskovitis  <vliaskov@gmail.com>
1126             Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR fortran/35423
1129         * trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
1130         OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
1131         (ompws_flags): New extern decl.
1132         * trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
1133         for the outer dimension if ompws_flags allow it.
1134         * trans.c (gfc_generate_code): Clear ompws_flags.
1135         * trans-expr.c (gfc_trans_assignment_1): Allow worksharing
1136         array assignments inside of !$omp workshare.
1137         * trans-stmt.c (gfc_trans_where_3): Similarly for where statements
1138         and constructs.
1139         * trans-openmp.c (ompws_flags): New variable.
1140         (gfc_trans_omp_workshare): Rewritten.
1141
1142 2009-04-11  Daniel Kraft  <d@domob.eu>
1143
1144         PR fortran/37746
1145         * gfortran.h (struct gfc_charlen): New field "passed_length" to store
1146         the actual passed string length for dummy arguments.
1147         * trans-decl.c (gfc_create_string_length): Formatting fixes and added
1148         assertion, moved a local variable into the innermost block it is needed.
1149         (create_function_arglist): Removed TODO about the check being
1150         implemented and initialize cl->passed_length here.
1151         (add_argument_checking): New method.
1152         (gfc_generate_function_code): Call the argument checking method.
1153
1154 2009-04-11  Janus Weil  <janus@gcc.gnu.org>
1155
1156         PR fortran/39692
1157         * symbol.c (check_conflict): Reject procedure pointers for -std=f95.
1158
1159 2009-04-11  Daniel Franke  <franke.daniel@gmail.com>
1160
1161         * resolve.c (resolve_global_procedure): Enable whole-file checking for
1162         procedures that are declared later in the file.
1163
1164 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1165
1166         PR middle-end/39701
1167         * trans.c (gfc_allocate_with_status): Fix type mismatches
1168         on "pstat == 0".
1169
1170 2009-04-10  Daniel Franke  <franke.daniel@gmail.com>
1171
1172         PR fortran/38709
1173         * expr.c (find_array_section): Leave early on zero-sized arrays.
1174
1175 2009-04-09  Janus Weil  <janus@gcc.gnu.org>
1176
1177         PR fortran/36704
1178         * decl.c (add_hidden_procptr_result): New function for handling
1179         procedure pointer return values by adding a hidden result variable.
1180         (variable_decl,match_procedure_decl,gfc_match_function_decl,
1181         gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
1182         return values.
1183         * parse.c (parse_interface): Add EXTERNAL attribute only after
1184         FUNCTION/SUBROUTINE declaration is complete.
1185         * primary.c (replace_hidden_procptr_result): New function for replacing
1186         function symbol by hidden result variable.
1187         (gfc_match_rvalue,match_variable): Replace symbol by hidden result
1188         variable.
1189         * resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
1190         resolve_symbol): Allow for procedure pointer function results.
1191         (resolve_fl_procedure): Conflict detection moved here from
1192         'check_conflict'.
1193         * symbol.c (gfc_check_function_type): Allow for procedure pointer
1194         function results.
1195         (check_conflict): Move some conflict detection to resolution stage.
1196         * trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
1197         result variables.
1198
1199 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1200
1201         * trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
1202         contain TYPE_STRING_FLAG types.
1203
1204 2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>
1205
1206         PR fortran/39670
1207         * invoke.texi (fdollar-ok): Fix typo.
1208
1209 2009-04-08  Daniel Franke  <franke.daniel@gmail.com>
1210
1211         PR fortran/39670
1212         * invoke.texi (fdollar-ok): Clarify limitations.
1213
1214 2009-04-08  Paul Thomas  <pault@gcc.gnu.org>
1215
1216         PR fortran/38863
1217         * trans-array.c (gfc_trans_deferred_array): Return if this
1218         is a result variable.
1219
1220 2009-04-07  Janus Weil  <janus@gcc.gnu.org>
1221
1222         PR fortran/38152
1223         * trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
1224         procedure pointer decls.
1225
1226 2009-04-07  Janus Weil  <janus@gcc.gnu.org>
1227
1228         PR fortran/38290
1229         * expr.c (gfc_check_pointer_assign): Enable interface check for
1230         procedure pointers.
1231         * gfortran.h: Add copy_formal_args_intr.
1232         * interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
1233         if second argument is an intrinsic.
1234         (compare_intr_interfaces): Correctly set attr.function, attr.subroutine
1235         and ts.
1236         (compare_parameter): Call gfc_compare_interfaces also for intrinsics.
1237         * resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
1238         intrinsic interfaces here. Must happen earlier.
1239         (resolve_symbol): Resolution of intrinsic interfaces moved here from
1240         resolve_specific_..., and formal args are now copied from intrinsic
1241         interfaces.
1242         * symbol.c (copy_formal_args_intr): New function to copy the formal
1243         arguments from an intinsic procedure.
1244
1245 2009-04-06  Paul Thomas  <pault@gcc.gnu.org>
1246
1247         PR fortran/38863
1248         * dependency.c (ref_same_as_full_array): New function.
1249         (gfc_dep_resolver): Call it.
1250
1251 2009-04-06  Janus Weil  <janus@gcc.gnu.org>
1252
1253         PR fortran/39414
1254         * decl.c (match_procedure_decl): Fix double declaration problems with
1255         PROCEDURE statements.
1256         * symbol.c (gfc_add_type): Ditto.
1257
1258 2009-04-06  Paul Thomas  <pault@gcc.gnu.org>
1259
1260         PR fortran/36091
1261         * trans-array.c (gfc_conv_array_ref): If the symbol has the
1262         temporary attribute use the array_spec for the bounds.
1263         * gfortran.h : Add the temporary field to the structure
1264         'symbol_attribute'.
1265         * trans-stmt.c (forall_make_variable_temp): Set the symbol's
1266         temporary attribute.
1267
1268 2009-04-05  Daniel Franke  <franke.daniel@gmail.com>
1269
1270         PR fortran/29458
1271         * trans-array.c (gfc_trans_array_constructor_value): Shadow
1272         implied do-loop variable to avoid spurious middle-end warnings.
1273
1274 2009-04-04  Tobias Burnus  <burnus@net-b.de>
1275
1276         PR fortran/39577
1277         * trans-decl.c (gfc_generate_function_code): Move recursive
1278         check to the right position.
1279
1280 2009-04-04  Paul Thomas  <pault@gcc.gnu.org>
1281
1282         PR fortran/37614
1283         * trans-common.c (translate_common): Do not offset the whole
1284         coomon block.
1285
1286 2009-04-03  Tobias Burnus  <burnus@net-b.de>
1287
1288         PR fortran/39594
1289         * resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
1290         if it is not a procedure pointer.
1291         * primary.c (match_actual_arg): Ditto.
1292
1293 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1294
1295         PR preprocessor/15638
1296         * cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.
1297
1298 2009-03-30  Steven G. Kargl  <kargls@comcast.net>
1299
1300         PR fortran/38389
1301         * trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
1302         (gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
1303         comments.  Minor whitespace cleanup.
1304         * resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
1305         (resolve_deallocate_expr (gfc_expr *e): Update error message.
1306         (resolve_allocate_expr):  Remove dead code.  Update error message.
1307         Move error checking to ...
1308         (resolve_allocate_deallocate): ... here.  Add additional error
1309         checking for STAT, ERRMSG, and allocate-objects.
1310         * match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
1311         Check for redundant uses of STAT and ERRMSG.  Reword error message
1312         and add checking for pointer, allocatable, and proc_pointer attributes.
1313
1314 2009-03-30  Paul Thomas  <pault@gcc.gnu.org>
1315
1316         PR fortran/22571
1317         PR fortran/26227
1318         PR fortran/24886
1319         * symbol.c : Add gfc_global_ns_list.
1320         * decl.c (add_global_entry): Set the namespace ('ns') field.
1321         * gfortran.h : Add the resolved field to gfc_namespace. Add the
1322         namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
1323         gfc_option_t.  Add the prototype for gfc_free_dt_list.
1324         * lang.opt : Add the whole-file option.
1325         * invoke.texi : Document the whole-file option.
1326         * resolve.c (resolve_global_procedure): If the fwhole-file
1327         option is set, reorder gsymbols to ensure that translation is
1328         in the right order.  Resolve the gsymbol's namespace if that
1329         has not occurred and then check interfaces.
1330         (resolve_function): Move call to resolve_global_procedure.
1331         (resolve_call): The same.
1332         (resolve_codes): Store the current labels_obstack.
1333         (gfc_resolve) : Return if the namespace is already resolved.
1334         trans-decl.c (gfc_get_extern_function_decl): If the whole_file
1335         option is selected, use the backend_decl of a gsymbol, if it is
1336         available.
1337         parse.c (add_global_procedure, add_global_program): If the flag
1338         whole-file is set, add the namespace to the gsymbol.
1339         (gfc_parse_file): On -fwhole-file, put procedure namespaces on
1340         the global namespace list.  Rearrange to do resolution of all
1341         the procedures in a file, followed by their translation.
1342         * options.c (gfc_init_options): Add -fwhole-file.
1343         (gfc_handle_option): The same.
1344
1345 2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1346
1347         * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
1348         family of intrinsics instead of BUILT_IN_INF family.
1349         * trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
1350         BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.
1351
1352 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1353
1354         * trans-types.c (gfc_sym_type, gfc_return_by_reference): For
1355         sym->attr.result check sym->ns->proc_name->attr.is_bind_c.
1356
1357 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1358
1359         PR rtl-optimization/323
1360         * options.c (gfc_post_options): Set
1361         flag_excess_precision_cmdline.  Give an error for
1362         -fexcess-precision=standard for processors where the option is
1363         significant.
1364
1365 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1366
1367         PR preprocessor/34695
1368         * cpp.c (cb_cpp_error): New.
1369         (gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
1370         Don't check cpp_errors (cpp_in).
1371         (gfc_cpp_init_0): Set cb->error.
1372
1373 2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>
1374
1375         PR fortran/38823
1376         * gfortran.h: Add ARITH_PROHIBIT to arith enum.
1377         expr.c (gfc_match_init_expr): Add global variable init_flag to
1378         flag matching an initialization expression.
1379         (check_intrinsic_op): Move no longer reachable error message to ...
1380         * arith.c (arith_power): ... here.  Remove gfc_ prefix in
1381         gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
1382         when y is REAL or COMPLEX.
1383         (eval_intrinsic): Remove restriction that y in x**y must be INTEGER
1384         for constant folding.
1385         * gfc_power: Update gfc_arith_power to arith_power
1386
1387 2009-03-29  Daniel Kraft  <d@domob.eu>
1388
1389         PR fortran/37423
1390         * gfortran.h (struct gfc_typebound_proc): Added new flag "deferred" and
1391         added a comment explaining DEFERRED binding handling.
1392         * decl.c (match_binding_attributes): Really match DEFERRED attribute.
1393         (match_procedure_in_type): Really match PROCEDURE(interface) syntax
1394         and do some validity checks for DEFERRED and this construct.
1395         * module.c (binding_overriding): New string constant for DEFERRED.
1396         (mio_typebound_proc): Module-IO DEFERRED flag.
1397         * resolve.c (check_typebound_override): Ensure that a non-DEFERRED
1398         binding is not overridden by a DEFERRED one.
1399         (resolve_typebound_procedure): Allow abstract interfaces as targets
1400         for DEFERRED bindings.
1401         (ensure_not_abstract_walker), (ensure_not_abstract): New methods.
1402         (resolve_fl_derived): Use new "ensure_not_abstract" method for
1403         non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
1404         binding is overridden.
1405         (check_typebound_baseobject): New method.
1406         (resolve_compcall), (resolve_typebound_call): Check base-object of
1407         the type-bound procedure call.
1408         * gfc-internals.texi (Type-bound procedures): Document a little bit
1409         about internal handling of DEFERRED bindings.
1410
1411 2009-03-29  Tobias Schlueter  <tobi@gcc.gnu.org>
1412
1413         PR fortran/38507
1414         * gfortran.h (gfc_st_label): Fix comment.
1415         (gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
1416         * parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
1417         END SELECT with labels.
1418         (check_do_closure): Fix formatting.
1419         (parse_do_block): Fix typo in error message.
1420         * resolve.c (code_stack): Remove tail member.  Update comment to
1421         new use of reachable_labels.
1422         (reachable_labels): Rename to ...
1423         (find_reachable_labels): ... this.  Overhaul.  Update preceding
1424         comment.
1425         (resolve_branch): Fix comment preceding function.  Rewrite.
1426         (resolve_code): Update call to find_reachable_labels.  Add code to
1427         deal with EXEC_END_BLOCK.
1428         * st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
1429         Add 2009 to copyright years.
1430         * trans.c (gfc_trans_code): Likewise on both counts.
1431
1432 2009-03-31  Paul Thomas  <pault@gcc.gnu.org>
1433
1434         PR fortran/38917
1435         * expr.c (gfc_check_assign): Allow pointer components when
1436         checking for NULL.
1437
1438         PR fortran/38918
1439         * resolve.c (check_data_variable): Treat pointer arrays with
1440         scalars.
1441
1442 2009-03-31  Paul Thomas  <pault@gcc.gnu.org>
1443
1444         PR fortran/38915
1445         * trans-expr.c (gfc_trans_assignment_1): Ensure temporaries
1446         have a string_length.
1447
1448 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1449
1450         PR fortran/34656
1451         * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
1452         Add GFC_RTCHECK_DO support.
1453         * option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
1454         * invoke.texi (-fcheck): Document "do" option.
1455
1456 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
1457
1458         PR fortran/38538
1459         * trans-array.c (get_elemental_fcn_charlen): Remove.
1460         (get_array_charlen): New function to replace previous.
1461
1462 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
1463
1464         PR fortran/38765
1465         * parse.c (parse_derived): Do not break on finding pointer,
1466         allocatable or private components.
1467
1468 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1469
1470         PR fortran/32626
1471         * option.c (gfc_handle_runtime_check_option): Enable recursion check.
1472         * trans-decl.c (gfc_generate_function_code): Add recursion check.
1473         * invoke.texi (-fcheck): Add recursive option.
1474
1475 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1476
1477         PR fortran/38432
1478         * resolve.c (gfc_resolve_iterator): Add zero-loop warning.
1479
1480 2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1481             Paul Thomas  <pault@gcc.gnu.org>
1482             Tobias Burnus  <burnus@net-b.de>
1483
1484         * gfortran.h (gfc_option_t): Add rtcheck.
1485         * lang.opt: New option -fcheck.
1486         * libgfortran.h: Add GFC_RTCHECK_* constants.
1487         * invoke.texi: Document -fcheck.
1488         * options.c (gfc_handle_runtime_check_option): New function.
1489         (gfc_init_options,gfc_post_options,gfc_handle_option):
1490         Add -fcheck option.
1491
1492 2009-03-27  Richard Guenther  <rguenther@suse.de>
1493
1494         * trans-array.c (gfc_conv_descriptor_data_addr): Use
1495         gfc_build_addr_expr instead of build_fold_addr_expr.
1496         (gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
1497         gfc_trans_constant_array_constructor, gfc_conv_array_data,
1498         gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
1499         * trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
1500         gfc_conv_function_val, gfc_conv_operator_assign,
1501         gfc_conv_subref_array_arg, gfc_conv_function_call,
1502         gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
1503         * trans-intrinsic.c (gfc_conv_intrinsic_exponent,
1504         gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
1505         gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
1506         gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
1507         gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
1508         gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
1509         gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
1510         * trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
1511         gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
1512         build_filepos, gfc_trans_inquire, gfc_trans_wait,
1513         nml_get_addr_expr, transfer_namelist_element, build_dt,
1514         gfc_trans_dt_end, transfer_array_component, transfer_expr,
1515         transfer_array_desc, gfc_trans_transfer): Likewise.
1516         * trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
1517         * trans.c (gfc_build_addr_expr): Mark the base of the address
1518         TREE_ADDRESSABLE.
1519
1520 2009-03-27  Tobias Burnus  <burnus@net-b.de>
1521
1522         * gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
1523         (gfc_expr): Add is_snan.
1524         * trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
1525         (gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
1526         * trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
1527         * resolve.c (build_default_init_expr): Update call.
1528         * target-memory.c (encode_float): Ditto.
1529         * trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,
1530
1531 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1532
1533         * lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
1534         and -fpreprocessed.
1535
1536 2009-03-06  Alexandre Oliva <aoliva@redhat.com>
1537
1538         * simplify.c (gfc_simplify_transfer): Zero-initialize the
1539         buffer.
1540
1541 2009-02-27  Tobias Burnus  <burnus@net-b.de>
1542
1543         PR fortran/39309
1544         * module.c (read_md5_from_module_file): Add missing quote.
1545
1546 2009-02-27  Tobias Burnus  <burnus@net-b.de>
1547
1548         PR fortran/39309
1549         * module.c (read_md5_from_module_file): Include mod version
1550         in had-changed test.
1551
1552 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
1553
1554         PR fortran/39295
1555         * interface.c (compare_type_rank_if): Return 1 if the symbols
1556         are the same and deal with external procedures where one is
1557         identified to be a function or subroutine by usage but the
1558         other is not.
1559
1560 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
1561
1562         PR fortran/39292
1563         * trans-array.c (gfc_conv_array_initializer): Convert all
1564         expressions rather than ICEing.
1565
1566 2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
1567
1568         PR fortran/38914
1569         * array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
1570         make global.  Change function name in error messages.
1571         (ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
1572         (gfc_array_ref_shape):  Likewise.
1573         * gfortran.h:  Add prototype for gfc_ref_dimen_size.
1574         * simplify.c (simplify_bound_dim):  Add ref argument.
1575         If the reference isn't a full array, return one for
1576         the lower bound and the extent for the upper bound.
1577         (simplify_bound):  For array sections, take as from the
1578         argument.  Add reference to all to simplify_bound_dim.
1579
1580 2009-02-19  Daniel Franke  <franke.daniel@gmail.com>
1581
1582         * scanner.c (load_line): At end of line, skip '\r' without setting
1583         the truncation flag.
1584
1585 2009-02-18  Daniel Kraft  <d@domob.eu>
1586
1587         * gfortran.texi: New chapter about compiler characteristics.
1588         (Compiler Characteristics): Document KIND type parameters here.
1589
1590 2009-02-18  Tobias Burnus  <burnus@net-b.de>
1591
1592         * intrinsic.texi (MALLOC): Make example more portable.
1593
1594 2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>
1595
1596         PR fortran/38259
1597         * module.c (gfc_dump_module,gfc_use_module): Add module
1598         version number.
1599
1600 2009-02-13  Paul Thomas  <pault@gcc.gnu.org>
1601
1602         PR fortran/36703
1603         PR fortran/36528
1604         * trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
1605         function references to ensure that a valid expression is used.
1606         (gfc_conv_function_call): Pass Cray pointers to procedures.
1607
1608 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1609
1610         * gfortranspec.c (lang_specific_driver): Update copyright notice
1611         dates.
1612
1613 2009-01-28  Paul Thomas  <pault@gcc.gnu.org>
1614
1615         PR fortran/38852
1616         PR fortran/39006
1617         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
1618         descriptor ubound for UBOUND, when the array lbound == 1.
1619
1620 2009-01-27  Daniel Kraft  <d@domob.eu>
1621
1622         PR fortran/38883
1623         * trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
1624         for the real type needed to make it work for subcomponent-references.
1625
1626 2009-01-21  Daniel Kraft  <d@domob.eu>
1627
1628         * trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.
1629
1630 2009-01-20  Paul Thomas  <pault@gcc.gnu.org>
1631
1632         PR fortran/38907
1633         * resolve.c (check_host_association): Remove the matching to
1634         correct an incorrect host association and use manipulation of
1635         the expression instead.
1636
1637 2009-01-20  Tobias Burnus  <burnus@net-b.de>
1638
1639         * invoke.texi (RANGE): RANGE also takes INTEGER arguments.
1640
1641 2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>
1642
1643         PR fortran/38859
1644         * simplify.c (simplify_bound): Don't use array specification
1645         if variable or component has subsequent references.
1646
1647 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1648
1649         PR fortran/38657
1650         * module.c (write_common_0): Add argument 'this_module' and
1651         check that non-use associated common blocks are written first.
1652         (write_common): Call write_common_0 twice, once with true and
1653         then with false.
1654
1655 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1656
1657         PR fortran/34955
1658         * trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
1659         been absorbed into gfc_conv_intrinsic_transfer. All
1660         references to it in trans-intrinsic.c have been changed
1661         accordingly.  PR fixed by using a temporary for scalar
1662         character transfer, when the source is shorter than the
1663         destination.
1664
1665 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1666
1667         PR fortran/38657
1668         * module.c (write_common_0): Revert patch of 2009-01-05.
1669
1670 2009-01-16  Janus Weil  <janus@gcc.gnu.org>
1671
1672         PR fortran/38152
1673         * expr.c (gfc_check_pointer_assign): Allow use-associated procedure
1674         pointers as lvalue.
1675         * trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
1676         Enable procedure pointers as module variables.
1677
1678 2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>
1679
1680         * ChangeLog-2007: Clean out svn merge droppings.
1681
1682 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
1683
1684         PR fortran/38763
1685         * target-memory.c (encode_derived): Encode NULL.
1686
1687 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
1688
1689         PR fortran/38765
1690         * resolve.c (check_host_association): Use the symtree name to
1691         search for a potential contained procedure, since this is the
1692         name by which it would be referenced.
1693
1694 2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
1695
1696         PR fortran/38220
1697         * interface.c (gfc_procedure_use):  Don't warn about functions
1698         from ISO_C_BINDING.
1699         * symbol.c (generate_isocbinding_symbol):  Mark c_loc and
1700         c_funloc as pure.
1701
1702 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
1703
1704         PR fortran/38657
1705         * module.c (write_common_0): Use the name of the symtree rather
1706         than the common block, to determine if the common has been
1707         written.
1708
1709 2009-01-05  Daniel Franke  <franke.daniel@gmail.com>
1710
1711         PR fortran/37159
1712         * check.c (gfc_check_random_seed): Added size check for GET
1713         dummy argument, reworded error messages to follow common pattern.
1714
1715 2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
1716
1717         PR fortran/38672
1718         * trans-types.c (gfc_get_derived_type):  Check for the
1719         presence of derived->ns->proc_name before
1720         accessing derived->ns->proc_name->attr.flavor .
1721         * resolve.c (resolve_symbol):  Likewise.
1722
1723 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
1724
1725         PR fortran/38665
1726         * gfortran.h : Add bit to gfc_expr 'user_operator'
1727         * interface.c (gfc_extend_expr): Set the above if the operator
1728         is substituted by a function.
1729         * resolve.c (check_host_association): Return if above is set.
1730
1731 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
1732
1733         PR fortran/35681
1734         * ChangeLog-2008: Fix function name.
1735
1736         PR fortran/38487
1737         * dependency.c (gfc_check_argument_var_dependency):
1738         Move the check for pointerness inside the if block
1739         so that it doesn't affect the return value.
1740
1741         PR fortran/38669
1742         * trans-stmt.c (gfc_trans_call):
1743         Add the dependency code after the loop bounds calculation one.
1744
1745 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
1746
1747         * intrinsic.c (do_simplify): Removed already implemented TODO.
1748
1749 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
1750
1751         PR fortran/38718
1752         * simplify.c (gfc_simplify_merge): New.
1753         * intrinsic.h (gfc_simplify_merge): New prototype.
1754         * intrinsic.c (add_functions): Added simplification for MERGE.
1755
1756 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
1757
1758         PR fortran/38536
1759         * gfortran.h (gfc_is_data_pointer): Added prototype
1760         * resolve.c (gfc_iso_c_func_interface):
1761         Use gfc_is_data_pointer to test for pointer attribute.
1762         * dependency.c (gfc_is_data_pointer):
1763         Support pointer-returning functions.
1764
1765 2009-01-03  Daniel Franke  <franke.daniel@gmail.com>
1766
1767         * symbol.c (save_symbol): Don't SAVE function results.
1768
1769 2009-01-03  Paul Thomas  <pault@gcc.gnu.org>
1770
1771         PR fortran/38594
1772         * resolve.c (resolve_call): When searching for proper host
1773         association, use symtree rather than symbol.  For everything
1774         except generic subroutines, substitute the symtree in the call
1775         rather than the symbol.
1776
1777 \f
1778 Copyright (C) 2009 Free Software Foundation, Inc.
1779
1780 Copying and distribution of this file, with or without modification,
1781 are permitted in any medium without royalty provided the copyright
1782 notice and this notice are preserved.