gcc/fortran/ChangeLog

   1 2008-07-08  Paul Thomas  <pault@gcc.gnu.org>
   2
   3         PR fortran/40591
   4         * decl.c (match_procedure_interface):  Correct the association
   5         or creation of the interface procedure's symbol.
   6
   7 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
   8
   9         * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): For integer
  10         maxloc initialize limit to -huge-1 rather than just -huge.
  11
  12 2009-07-04  Janus Weil  <janus@gcc.gnu.org>
  13
  14         PR fortran/40593
  15         * interface.c (compare_actual_formal): Take care of proc-pointer-valued
  16         functions as actual arguments.
  17         * trans-expr.c (gfc_conv_procedure_call): Ditto.
  18         * resolve.c (resolve_specific_f0): Use the correct ts.
  19
  20 2009-07-02  Michael Matz  <matz@suse.de>
  21
  22         PR fortran/32131
  23         * trans-array.c (gfc_conv_descriptor_stride_get): Return
  24         constant one for strides in the first dimension of ALLOCATABLE
  25         arrays.
  26
  27 2009-06-30  Janus Weil  <janus@gcc.gnu.org>
  28
  29         PR fortran/40594
  30         * trans-types.c (gfc_get_derived_type): Bugfix, reverting one hunk from
  31         r147206.
  32
  33 2009-06-29  Tobias Burnus  <burnus@net-b.de>
  34
  35         PR fortran/40580
  36         * trans-expr.c  (gfc_conv_procedure_call): Add -fcheck=pointer check.
  37         * libgfortran.h: Add GFC_RTCHECK_POINTER.
  38         * invoke.texi (-fcheck): Document new pointer option.
  39         * options.c (gfc_handle_runtime_check_option): Handle pointer option.
  40
  41         * gfortran.texi (C Binding): Improve wording.
  42         * iso-c-binding.def: Remove obsolete comment.
  43
  44 2009-06-29  Paul Thomas  <pault@gcc.gnu.org>
  45
  46         PR fortran/40551
  47         * dependency.h : Add second bool* argument to prototype of
  48         gfc_full_array_ref_p.
  49         * dependency.c (gfc_full_array_ref_p): If second argument is
  50         present, return true if last dimension of reference is an
  51         element or has unity stride.
  52         * trans-array.c : Add NULL second argument to references to
  53         gfc_full_array_ref_p.
  54         * trans-expr.c : The same, except for;
  55         (gfc_trans_arrayfunc_assign): Return fail if lhs reference
  56         is not a full array or a contiguous section.
  57
  58 2009-06-28  Tobias Burnus  <burnus@net-b.de>
  59             Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  60
  61         PR fortran/34112
  62         * symbol.c (gfc_add_ext_attribute): New function.
  63         (gfc_get_sym_tree): New argument allow_subroutine.
  64         (gfc_get_symbol,gfc_get_ha_sym_tree,gen_cptr_param,gen_fptr_param
  65         gen_shape_param,generate_isocbinding_symbol): Use it.
  66         * decl.c (find_special): New argument allow_subroutine.
  67         (add_init_expr_to_sym,add_hidden_procptr_result,attr_decl1,
  68         match_procedure_in_type,gfc_match_final_decl): Use it.
  69         (gfc_match_gcc_attributes): New function.
  70         * gfortran.texi (Mixed-Language Programming): New section
  71         "GNU Fortran Compiler Directives".
  72         * gfortran.h (ext_attr_t): New struct.
  73         (symbol_attributes): Use it.
  74         (gfc_add_ext_attribute): New prototype.
  75         (gfc_get_sym_tree): Update pototype.
  76         * expr.c (gfc_check_pointer_assign): Check whether call
  77         convention is the same.
  78         * module.c (import_iso_c_binding_module, create_int_parameter,
  79         use_iso_fortran_env_module): Update gfc_get_sym_tree call.
  80         * scanner.c (skip_gcc_attribute): New function.
  81         (skip_free_comments,skip_fixed_comments): Use it.
  82         (gfc_next_char_literal): Support !GCC$ lines.
  83         * resolve.c (check_host_association): Update
  84         gfc_get_sym_tree call.
  85         * match.c (gfc_match_sym_tree,gfc_match_call): Update
  86         gfc_get_sym_tree call.
  87         * trans-decl.c (add_attributes_to_decl): New function.
  88         (gfc_get_symbol_decl,get_proc_pointer_decl,
  89         gfc_get_extern_function_decl,build_function_decl: Use it.
  90         * match.h (gfc_match_gcc_attributes): Add prototype.
  91         * parse.c (decode_gcc_attribute): New function.
  92         (next_free,next_fixed): Support !GCC$ lines.
  93         * primary.c (match_actual_arg,check_for_implicit_index,
  94         gfc_match_rvalue,gfc_match_rvalue): Update
  95         gfc_get_sym_tree call.
  96
  97 2009-06-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  98
  99         * gfortran.h: Define HAVE_mpc_pow.
 100         * arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow,
 101         don't define these functions.
 102         (arith_power): If HAVE_mpc_pow, use mpc_pow.
 103
 104 2009-06-26  Janus Weil  <janus@gcc.gnu.org>
 105
 106         PR fortran/39997
 107         PR fortran/40541
 108         * decl.c (add_hidden_procptr_result): Copy the typespec to the hidden
 109         result.
 110         * expr.c (gfc_check_pointer_assign): Enable interface check for
 111         procedure pointer assignments where the rhs is a function returning a
 112         procedure pointer.
 113         * resolve.c (resolve_symbol): If an external procedure with unspecified
 114         return type can not be implicitly typed, it must be a subroutine.
 115
 116 2009-06-24  Janus Weil  <janus@gcc.gnu.org>
 117
 118         PR fortran/40427
 119         * gfortran.h (gfc_component): New member 'formal_ns'.
 120         (gfc_copy_formal_args_ppc,void gfc_ppc_use): New.
 121         * interface.c (gfc_ppc_use): New function, analogous to
 122         gfc_procedure_use, but for procedure pointer components.
 123         * module.c (MOD_VERSION): Bump module version.
 124         (mio_component): Treat formal arguments.
 125         (mio_formal_arglist): Changed argument from gfc_symbol to
 126         gfc_formal_arglist.
 127         (mio_symbol): Changed argument of mio_formal_arglist.
 128         * resolve.c (resolve_ppc_call,resolve_expr_ppc): Call gfc_ppc_use,
 129         to check actual arguments and treat formal args correctly.
 130         (resolve_fl_derived): Copy formal args of procedure pointer components
 131         from their interface.
 132         * symbol.c (gfc_copy_formal_args_ppc): New function, analogous to
 133         gfc_copy_formal_args, but for procedure pointer components.
 134
 135 2009-06-22  Janus Weil  <janus@gcc.gnu.org>
 136
 137         PR fortran/37254
 138         PR fortran/39850
 139         * interface.c (compare_parameter): Set implicit type for function
 140         actual arguments with BT_UNKNOWN.
 141
 142 2009-06-22  Tobias Burnus  <burnus@net-b.de>
 143
 144         PR fortran/40472
 145         PR fortran/50520
 146         * simplify.c (gfc_simplify_spread): Fix the case that source=
 147         is a scalar.
 148
 149 2009-06-22  Paul Thomas  <pault@gcc.gnu.org>
 150
 151         PR fortran/40443
 152         * interface.c (gfc_search_interface): Hold back a match to an
 153         elementary procedure until all other possibilities are
 154         exhausted.
 155
 156 2009-06-22  Paul Thomas  <pault@gcc.gnu.org>
 157
 158         PR fortran/40472
 159         * simplify.c (gfc_simplify_spread): Restrict the result size to
 160         the limit for an array constructor.
 161
 162 2009-06-21  Janus Weil  <janus@gcc.gnu.org>
 163
 164         PR fortran/39850
 165         * interface.c (gfc_compare_interfaces): Take care of implicit typing
 166         when checking the function attribute. Plus another bugfix.
 167         (compare_parameter): Set attr.function and attr.subroutine according
 168         to the usage of a procedure as actual argument.
 169
 170 2009-06-20  Tobias Burnus  <burnus@net-b.de>
 171
 172         PR fortran/40452
 173         * trans-decl.c (add_argument_checking): Disable bounds check
 174         for allowed argument storage association.
 175
 176 2009-06-19  Paul Thomas  <pault@gcc.gnu.org>
 177
 178         PR fortran/40440
 179         * trans-expr.c (gfc_conv_procedure_call): Do not deallocate
 180         allocatable components if the argument is a pointer.
 181
 182 2009-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 183
 184         * gfortran.h (gfc_expr): Use mpc_t to represent complex numbers.
 185
 186         * arith.c, dump-parse-tree.c, expr.c, module.c, resolve.c,
 187         simplify.c, target-memory.c, target-memory.h, trans-const.c,
 188         trans-expr.c: Convert to mpc_t throughout.
 189
 190 2009-06-19  Ian Lance Taylor  <iant@google.com>
 191
 192         * cpp.c (struct gfc_cpp_option_data): Give this struct, used for
 193         the global variable gfc_cpp_option, a name.
 194
 195 2009-06-19  Janus Weil  <janus@gcc.gnu.org>
 196
 197         PR fortran/40450
 198         * trans-expr.c (gfc_conv_procedure_call): Only add an extra addr_expr
 199         to a procedure pointer actual argument, if it is not itself a
 200         dummy arg.
 201
 202 2009-06-18  Janus Weil  <janus@gcc.gnu.org>
 203
 204         PR fortran/40451
 205         * resolve.c (resolve_contained_fntype): Prevent implicit typing for
 206         procedures with explicit interface.
 207         * symbol.c (gfc_check_function_type): Ditto.
 208
 209 2009-06-16  Ian Lance Taylor  <iant@google.com>
 210
 211         * decl.c (build_struct): Rewrite loop over constructor elements.
 212
 213 2009-06-16  Janus Weil  <janus@gcc.gnu.org>
 214
 215         PR fortran/36947
 216         PR fortran/40039
 217         * expr.c (gfc_check_pointer_assign): Call 'gfc_compare_interfaces' with
 218         error message.
 219         * gfortran.h (gfc_compare_interfaces): Additional argument.
 220         * interface.c (operator_correspondence): Removed.
 221         (gfc_compare_interfaces): Additional argument to return error message.
 222         Directly use the code from 'operator_correspondence' instead of calling
 223         the function. Check for OPTIONAL. Some rearrangements.
 224         (check_interface1): Call 'gfc_compare_interfaces' without error message.
 225         (compare_parameter): Call 'gfc_compare_interfaces' with error message.
 226         * resolve.c (check_generic_tbp_ambiguity): Call 'gfc_compare_interfaces'
 227         without error message.
 228
 229 2009-06-16  Tobias Burnus  <burnus@net-b.de>
 230
 231         PR fortran/40383
 232         * trans-decl.c (create_function_arglist): Copy formal charlist to
 233         have a proper passed_length for -fcheck=bounds.
 234
 235 2009-06-12  Steven G. Kargl  <kargls@comcast.net>
 236
 237         * arith.c (gfc_enum_initializer): Move function ...
 238         * decl.c: ... here.  Remove gfc_ prefix and make static.
 239         (enumerator_decl): Update function call.
 240         * gfortran.h:  Remove gfc_enum_initializer prototype.
 241
 242 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
 243
 244         * trans-array.c (gfc_trans_allocate_array_storage): Pass
 245         location on down.
 246         (gfc_trans_array_constructor_value): Same.
 247         (gfc_trans_scalarized_loop_end): Same.
 248         (gfc_conv_ss_startstride): Same.
 249         (gfc_trans_g77_array): Same.
 250         (gfc_trans_dummy_array_bias): Same.
 251         (gfc_conv_array_parameter): Same.
 252         (structure_alloc_comps): Same.
 253         * trans-expr.c (gfc_conv_function_call): Same.
 254         (fill_with_spaces): Same.
 255         (gfc_trans_string_copy): Same.
 256         (gfc_trans_scalar_assign): Same.
 257         * trans-stmt.c (gfc_trans_goto): Same.
 258         (gfc_trans_if_1): Same.
 259         (gfc_trans_simple_do): Same.
 260         (gfc_trans_do): Same.
 261         (gfc_trans_do_while): Same.
 262         (gfc_trans_logical_select): Same.
 263         (gfc_trans_select): Same.
 264         (gfc_trans_forall_loop): Same.
 265         (gfc_trans_nested_forall_loop): Same.
 266         (generate_loop_for_temp_to_lhs): Same.
 267         (generate_loop_for_rhs_to_temp): Same.
 268         (gfc_trans_forall_1): Same.
 269         (gfc_trans_where_assign): Same.
 270         (gfc_trans_where_3): Same.
 271         (gfc_trans_allocate): Same.
 272         * trans.c (gfc_finish_block): Same.
 273         (gfc_trans_runtime_check): Same.
 274         (gfc_call_malloc): Same.
 275         (gfc_allocate_with_status): Same.
 276         (gfc_call_free): Same.
 277         (gfc_deallocate_with_status): Same.
 278         (gfc_call_realloc): Same.
 279         (gfc_trans_code): Same.
 280         * trans-decl.c (gfc_init_default_dt): Same.
 281         (gfc_generate_constructors): Same.
 282         * trans-io.c (gfc_trans_io_runtime_check): Same.
 283         * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
 284         (gfc_conv_intrinsic_fdate): Same.
 285         (gfc_conv_intrinsic_ttynam): Same.
 286         (gfc_conv_intrinsic_minmax): Same.
 287         (gfc_conv_intrinsic_minmax_char): Same.
 288         (gfc_conv_intrinsic_anyall): Same.
 289         (gfc_conv_intrinsic_count): Same.
 290         (gfc_conv_intrinsic_arith): Same.
 291         (gfc_conv_intrinsic_minmaxloc): Same.
 292         (gfc_conv_intrinsic_minmaxval): Same.
 293         (gfc_conv_intrinsic_rrspacing): Same.
 294         (gfc_conv_intrinsic_array_transfer): Same.
 295         (gfc_conv_intrinsic_trim): Same.
 296         (gfc_conv_intrinsic_repeat): Same.
 297
 298 2009-06-12  Janus Weil  <janus@gcc.gnu.org>
 299
 300         PR fortran/40176
 301         * resolve.c (resolve_symbol): Additional error check, preventing an
 302         infinite loop.
 303
 304 2009-06-11  Paul Thomas  <pault@gcc.gnu.org>
 305
 306         PR fortran/40402
 307         * resolve.c (next_data_value): It is an error if the value is
 308         not constant.
 309
 310 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 311
 312         PR fortran/38718
 313         * intrinsic.c (add_functions): Add simplifiers for ISNAN,
 314         IS_IOSTAT_END and IS_IOSTAT_EOR.
 315         * intrinsic.h (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
 316         gfc_simplify_isnan): New prototypes.
 317         * intrinsic.c (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
 318         gfc_simplify_isnan): New functions.
 319
 320 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
 321
 322         * interface.c (fold_unary): Rename to...
 323         (fold_unary_intrinsic): ... this.
 324         (gfc_extend_expr): Adjust caller.
 325         (gfc_match_generic_spec): Likewise.  Initialize *op to INTRINSIC_NONE
 326         to avoid warnings.
 327         * expr.c (gfc_simplify_expr): Initialize start and end before calling
 328         gfc_extract_int.
 329
 330 2009-06-10  Dave Korn  <dave.korn.cygwin@gmail.com>
 331
 332         * trans-decl.c (create_main_function):  Don't build main decl twice.
 333
 334 2009-06-09  Tobias Burnus  <burnus@net-b.de>
 335
 336         * trans-decl.c (gfc_generate_function_code): Use gfc_option.rtcheck
 337         instead of flag_bounds_check.
 338         * intrinsic.texi (ISO_FORTRAN_ENV): Document INT{8,16,32,64} and
 339         REAL{32,64,128}.
 340
 341 2009-06-08  Paul Thomas  <pault@gcc.gnu.org>
 342
 343         * trans-array.h : Replace prototypes for
 344         gfc_conv_descriptor_offset, gfc_conv_descriptor_stride,
 345         gfc_conv_descriptor_lbound, gfc_conv_descriptor_ubound with new
 346         prototypes of the same names with _get or _set appended.
 347         * trans-array.c : Make the originals of the above static and
 348         new functions for the _get and _set functions. Update all the
 349         references to these descriptor access functions.
 350         * trans-expr.c : Update references to the above descriptor
 351         access functions.
 352         * trans-intrinsic.c : The same.
 353         * trans-openmp.c : The same.
 354         * trans-stmt.c : The same.
 355
 356 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
 357
 358         * options.c (gfc_post_options): Disable dump_parse_tree
 359         during -fcompare-debug-second.
 360
 361 2009-06-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 362
 363         PR fortran/40008
 364         * gfortran.h (gfc_open): Add newunit expression to structure.
 365         * io.c (io_tag): Add new unit tag and fix whitespace.
 366         (match_open_element): Add matching for newunit.
 367         (gfc_free_open): Free the newunit expression.
 368         (gfc_resolve_open): Add newunit to resolution and check constraints.
 369         (gfc_resolve_close): Add check for non-negative unit.
 370         (gfc_resolve_filepos): Likewise.
 371         (gfc_resolve_dt): Likewise.
 372         * trans-io.c (set_parameter_value): Build runtime checks for unit
 373         numbers within range of kind=4 integer. (gfc_trans_open) Set the
 374         newunit parameter.
 375         * ioparm.def (IOPARM): Define the newunit parameter as a pointer
 376         to GFC_INTEGER_4, pint4.
 377
 378 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 379
 380         PR fortran/25104
 381         PR fortran/29962
 382         * array.c (gfc_append_constructor): Added NULL-check.
 383         * check.c (gfc_check_spread): Check DIM.
 384         (gfc_check_unpack): Check that the ARRAY arguments provides enough
 385         values for MASK.
 386         * intrinsic.h (gfc_simplify_spread): New prototype.
 387         (gfc_simplify_unpack): Likewise.
 388         * intrinsic.c (add_functions): Added new simplifier callbacks.
 389         * simplify.c (gfc_simplify_spread): New.
 390         (gfc_simplify_unpack): New.
 391         * expr.c (check_transformational): Allow additional transformational
 392         intrinsics in initialization expression.
 393
 394 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 395
 396         PR fortran/25104
 397         PR fortran/29962
 398         * check.c (gfc_check_all_any): Check rank of DIM.
 399         (gfc_check_count): Likewise.
 400         * intrinsic.h (gfc_simplify_all): New prototype.
 401         (gfc_simplify_any): Likewise.
 402         (gfc_simplify_count): Likewise.
 403         (gfc_simplify_sum): Likewise.
 404         (gfc_simplify_product): Likewise.
 405         * intrinsic.c (add_functions): Added new simplifier callbacks.
 406         * simplify.c (transformational_result): New.
 407         (simplify_transformation_to_scalar): New.
 408         (simplify_transformation_to_array): New.
 409         (gfc_count): New.
 410         (gfc_simplify_all): New.
 411         (gfc_simplify_any): New.
 412         (gfc_simplify_count): New.
 413         (gfc_simplify_sum): New.
 414         (gfc_simplify_product): New.
 415         * expr.c (check_transformational): Allow additional transformational
 416         intrinsics in initialization expression.
 417
 418 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 419
 420         * check.c (dim_rank_check): Return SUCCESS if DIM=NULL.
 421         (gfc_check_lbound): Removed (now) redundant check for DIM=NULL.
 422         (gfc_check_minloc_maxloc): Likewise.
 423         (check_reduction): Likewise.
 424         (gfc_check_size): Likewise.
 425         (gfc_check_ubound): Likewise.
 426         (gfc_check_cshift): Added missing shape-conformance checks.
 427         (gfc_check_eoshift): Likewise.
 428         * gfortran.h (gfc_check_conformance): Modified prototype to printf-style.
 429         * expr.c (gfc_check_conformance): Accept error-message chunks in
 430         printf-style. Changed all callers.
 431
 432
 433 2009-06-07  Daniel Franke  <franke.daniel@gmail.com>
 434
 435         PR fortran/25104
 436         PR fortran/29962
 437         * intrinsic.h (gfc_simplify_dot_product): New prototype.
 438         (gfc_simplify_matmul): Likewise.
 439         (gfc_simplify_transpose): Likewise.
 440         * intrinsic.c (add_functions): Added new simplifier callbacks.
 441         * simplify.c (init_result_expr): New.
 442         (compute_dot_product): New.
 443         (gfc_simplify_dot_product): New.
 444         (gfc_simplify_matmul): New.
 445         (gfc_simplify_transpose): New.
 446         * expr.c (check_transformational): Allow transformational intrinsics
 447         with simplifier in initialization expression.
 448
 449 2009-06-06  Daniel Franke  <franke.daniel@gmail.com>
 450
 451         PR fortran/37203
 452         * simplify.c (gfc_simplify_reshape): Fixed reshaping of empty arrays
 453         without padding.
 454
 455 2009-06-06  Daniel Franke  <franke.daniel@gmail.com>
 456
 457         PR fortran/32890
 458         * intrinsic.h (gfc_simplify_pack): New prototype.
 459         * intrinsic.c (add_functions): Added
 460         simplifier-callback to PACK.
 461         * simplify.c (is_constant_array_expr): Moved
 462         to beginning of file.
 463         (gfc_simplify_pack): New.
 464         * check.c (gfc_check_pack): Check that VECTOR has enough elements.
 465         Added safeguards for empty arrays.
 466
 467 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 468
 469         * simplify.c (call_mpc_func): Use mpc_realref/mpc_imagref
 470         instead of MPC_RE/MPC_IM.
 471
 472 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
 473
 474         * trans-decl.c (gfc_build_qualified_array): Don't skip generation
 475         of range types.
 476         * trans.h (struct lang_type): Add base_decls.
 477         (GFC_TYPE_ARRAY_BASE_DECL): New.
 478         * trans-types.c (gfc_get_array_type_bounds): Initialize base decls
 479         proactively and excessively.
 480         (gfc_get_array_descr_info): Use existing base decls if available.
 481
 482 2009-06-04  Daniel Franke  <franke.daniel@gmail.com>
 483
 484         PR fortran/37203
 485         * check.c (gfc_check_reshape): Additional checks for the
 486         SHAPE and ORDER arguments.
 487         * simplify.c (gfc_simplify_reshape): Converted argument checks
 488         to asserts.
 489
 490 2009-06-03  Tobias Burnus  <burnus@net-b.de>
 491
 492         * gfortran.texi: Add mixed-language programming, mention
 493         varying string lengths, some clean up of introduction parts.
 494         * intrinsic.texi (instrinsic modules): Create @menu for subsections.
 495         (ISO_C_BINDING): Support ISOCBINDING_INT_FAST128_T.
 496         * libgfortran.h: Comment to rember to keep gfortran.texi in sync.
 497         * iso-c-binding.def: Support ISOCBINDING_INT_FAST128_T.
 498
 499 2009-06-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 500             Tobias Burnus  <burnus@net-b.de>
 501
 502         * iso-c-binding.def: Use INTMAX_TYPE instead of intmax_type_node.
 503         * trans-types.c (init_c_interop_kinds): Remove intmax_type_node.
 504
 505 2009-06-03  Alexandre Oliva  <aoliva@redhat.com>
 506
 507         * module.c (mio_f2k_derived): Initialize cur.
 508
 509 2009-06-01  Tobias Burnus  <burnus@net-b.de>
 510
 511         PR fortran/40309
 512         * trans-decl.c (gfc_sym_identifier): Use "MAIN__" for PROGRAM "main".
 513         (create_main_function): Set main_identifier_node.
 514
 515 2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 516
 517         PR fortran/40019
 518         * trans-types.c (gfc_build_uint_type): Make nonstatic.
 519         * trans.h (gfor_fndecl_clz128, gfor_fndecl_ctz128): New prototypes.
 520         * trans-types.h (gfc_build_uint_type): Add prototype.
 521         * trans-decl.c (gfc_build_intrinsic_function_decls): Build
 522         gfor_fndecl_clz128 and gfor_fndecl_ctz128.
 523         * trans-intrinsic.c (gfc_conv_intrinsic_leadz,
 524         gfc_conv_intrinsic_trailz): Call the right builtins or library
 525         functions, and cast arguments to unsigned types first.
 526         * simplify.c (gfc_simplify_leadz): Deal with negative arguments.
 527
 528 2009-05-27  Ian Lance Taylor  <iant@google.com>
 529
 530         * Make-lang.in (gfortran$(exeext)): Change $(COMPILER) to
 531         $(LINKER).
 532         (f951$(exeext)): Likewise.
 533
 534 2009-05-27  Tobias Burnus  <burnus@net-b.de>
 535
 536         PR fortran/40270
 537         * trans-decl.c (create_main_function): Mark MAIN__ and
 538         argc/argv as TREE_USED and push/pop function_decl context
 539         if needed.
 540
 541 2009-05-26  Tobias Burnus  <burnus@net-b.de>
 542
 543         PR fortran/39178
 544         * gfortranspec.c (lang_specific_driver): Stop linking
 545         libgfortranbegin.
 546         * trans-decl.c (gfc_build_builtin_function_decls): Stop
 547         making MAIN__ publicly visible.
 548         (gfc_build_builtin_function_decls): Add
 549         gfor_fndecl_set_args.
 550         (create_main_function) New function.
 551         (gfc_generate_function_code): Use it.
 552
 553 2009-05-26  Tobias Burnus  <burnus@net-b.de>
 554
 555         PR fortran/40246
 556         * match.c (gfc_match_nullify): NULLify freed pointer.
 557
 558 2009-05-26  Ian Lance Taylor  <iant@google.com>
 559
 560         * Make-lang.in (gfortranspec.o): Use $(COMPILER).
 561         (gfortran$(exeext), f951$(exeext), fortran/cpp.o): Likewise.
 562
 563 2009-05-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 564
 565         * gfortran.h (GFC_MPC_RND_MODE): New.
 566         * simplify.c (call_mpc_func): New helper function.
 567         (gfc_simplify_cos, gfc_simplify_exp, gfc_simplify_log,
 568         gfc_simplify_sin, gfc_simplify_sqrt): Add MPC support.
 569
 570 2009-05-25  Janus Weil  <janus@gcc.gnu.org>
 571
 572         PR fortran/40176
 573         * primary.c (gfc_match_varspec): Handle procedure pointer components
 574         with array return value.
 575         * resolve.c (resolve_expr_ppc): Ditto.
 576         (resolve_symbol): Make sure the interface of a procedure pointer has
 577         been resolved.
 578         * trans-array.c (gfc_walk_function_expr): Handle procedure pointer
 579         components with array return value.
 580         * trans-expr.c (gfc_conv_component_ref,gfc_conv_procedure_call,
 581         gfc_trans_arrayfunc_assign): Ditto.
 582         (gfc_trans_pointer_assignment): Handle procedure pointer assignments,
 583         where the rhs is a dummy argument.
 584         * trans-types.c (gfc_get_ppc_type,gfc_get_derived_type): Handle
 585         procedure pointer components with array return value.
 586
 587 2009-05-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 588             Dominique Dhumieres
 589
 590         PR fortran/35732
 591         PR fortran/39872
 592         * trans-array.c (gfc_conv_ss_startstride): Add one to index.
 593
 594 2009-05-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 595
 596         PR fortran/40195
 597         * module.c (read_md5_from_module_file): Close file before returning.
 598
 599 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 600
 601         PR fortran/40164
 602         * primary.c (gfc_match_rvalue): Handle procedure pointer components in
 603         arrays.
 604         * resolve.c (resolve_ppc_call,resolve_expr_ppc): Resolve component and
 605         array references.
 606         (resolve_fl_derived): Procedure pointer components are not required to
 607         have constant array bounds in their return value.
 608
 609 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 610
 611         * intrinsic.c (add_sym): Fix my last commit (r147655),
 612         which broke bootstrap.
 613
 614 2009-05-18  Richard Guenther  <rguenther@suse.de>
 615
 616         PR fortran/40168
 617         * trans-expr.c (gfc_trans_zero_assign): For local array
 618         destinations use an assignment from an empty constructor.
 619
 620 2009-05-18  Janus Weil  <janus@gcc.gnu.org>
 621
 622         PR fortran/36947
 623         PR fortran/40039
 624         * expr.c (gfc_check_pointer_assign): Check intents when comparing
 625         interfaces.
 626         * gfortran.h (typedef struct gfc_intrinsic_arg): Add 'intent' member.
 627         (gfc_compare_interfaces): Additional argument.
 628         * interface.c (operator_correspondence): Add check for equality of
 629         intents, and new argument 'intent_check'.
 630         (gfc_compare_interfaces): New argument 'intent_check', which is passed
 631         on to operator_correspondence.
 632         (check_interface1): Don't check intents when comparing interfaces.
 633         (compare_parameter): Do check intents when comparing interfaces.
 634         * intrinsic.c (add_sym): Add intents for arguments of intrinsic
 635         procedures.
 636         (add_sym_1,add_sym_1s,add_sym_1m,add_sym_2,add_sym_2s,add_sym_3,
 637         add_sym_3ml,add_sym_3red,add_sym_3s,add_sym_4): Use INTENT_IN by
 638         default.
 639         (add_sym_1_intent,add_sym_1s_intent,add_sym_2s_intent,add_sym_3s_intent)
 640         : New functions to add intrinsic symbols, specifying custom intents.
 641         (add_sym_4s,add_sym_5s): Add new arguments to specify intents.
 642         (add_functions,add_subroutines): Add intents for various intrinsics.
 643         * resolve.c (check_generic_tbp_ambiguity): Don't check intents when
 644         comparing interfaces.
 645         * symbol.c (gfc_copy_formal_args_intr): Copy intent.
 646
 647 2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 648
 649         * iso-fortran-env.def: Define INT8, INT16, INT32, INT64, REAL32,
 650         REAL64 and REAL128.
 651         * gfortran.h (gfc_get_int_kind_from_width_isofortranenv,
 652         gfc_get_real_kind_from_width_isofortranenv): New prototypes.
 653         * iso-c-binding.def: Update definitions for the INT*_T,
 654         INT_LEAST*_T and INT_FAST*_T named parameters.
 655         * trans-types.c (get_typenode_from_name, get_int_kind_from_name,
 656         gfc_get_real_kind_from_width_isofortranenv): New functions.
 657
 658 2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 659
 660         PR fortran/36260
 661         * intrinsic.c (add_functions, add_subroutines): Fix argument
 662         names and wrap long lines.
 663         * intrinsic.texi: Fix documentation and argument names of
 664         LOG_GAMMA, DATAN2, DBESJN, DTIME, ETIME, FSTAT, STAT, LSTAT,
 665         GET_COMMAND, IDATE, LTIME, MOVE_ALLOC, NINT, OR, PRODUCT,
 666         SUM, RAND, RANDOM_SEED, REAL, SELECTED_INT_KIND,
 667         SELECTED_REAL_KIND and XOR.
 668
 669 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 670
 671         PR fortran/33197
 672         * intrinsic.c (add_functions): Use ERFC_SCALED simplification.
 673         * intrinsic.h (gfc_simplify_erfc_scaled): New prototype.
 674         * simplify.c (fullprec_erfc_scaled, asympt_erfc_scaled,
 675         gfc_simplify_erfc_scaled): New functions.
 676
 677 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 678
 679         PR fortran/31243
 680         * resolve.c (resolve_substring): Don't allow too large substring
 681         indexes.
 682         (gfc_resolve_substring_charlen): Fix typo.
 683         (gfc_resolve_character_operator): Fix typo.
 684         (resolve_charlen): Catch unreasonably large string lengths.
 685         * simplify.c (gfc_simplify_len): Don't error out on LEN
 686         range checks.
 687
 688 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 689
 690         PR fortran/36031
 691         * decl.c (set_enum_kind): Use global short-enums flag.
 692         * gfortran.h (gfc_option_t): Remove short_enums flag.
 693         * lang.opt (-fshort-enums): Refer to C documentation.
 694         * options.c (gfc_init_options, gfc_handle_option): Use global
 695         short-enums flag.
 696
 697 2009-05-15  Tobias Burnus  <burnus@net-b.de>
 698
 699         PR fortran/39352
 700         * f95-lang.c: Add gfc_maybe_initialize_eh.
 701         * gfortran.h: Add gfc_maybe_initialize_eh prototype.
 702         * Make-lang.in: Add new .h dendencies for f95-lang.c
 703         * openmp.c (resolve_omp_do): Call gfc_maybe_initialize_eh.
 704         * misc.c (gfc_free): Avoid #define trickery for free.
 705
 706 2009-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>
 707
 708         * dump-parse-tree.c (show_code_node): Add ERRMSG to the dumping
 709         of allocate and deallocate statements.
 710
 711 2009-05-14  Ian Lance Taylor  <iant@google.com>
 712
 713         * decl.c (match_attr_spec): Change d to unsigned int.
 714         * dump-parse-tree.c (show_namespace): Change op to int.  Add cast.
 715         * interface.c (gfc_check_interfaces): Change i to int.  Add casts.
 716         * module.c (read_module): Change i to int.  Add cast.
 717         (write_module): Change i to int.
 718         * symbol.c (gfc_get_namespace): Change in to int.
 719         (gfc_free_namespace): Change i to int.
 720         * trans-io.c (gfc_build_io_library_fndecls): Change ptype to
 721         unsigned int.  Add cast.
 722         * trans-types.c (gfc_init_kinds): Change mode to unsigned int.
 723         Add casts.
 724
 725 2009-05-14  Daniel Kraft  <d@domob.eu>
 726
 727         PR fortran/40045
 728         * dump-parse-tree.c (show_typebound): Fix missing adaption to new
 729         type-bound procedure storage structure.
 730
 731 2009-05-14  Janus Weil  <janus@gcc.gnu.org>
 732
 733         PR fortran/39996
 734         * decl.c (gfc_match_function_decl): Use gfc_add_type.
 735         * symbol.c (gfc_add_type): Better checking for duplicate types in
 736         function declarations. And: Always give an error for duplicte types,
 737         not just a warning with -std=gnu.
 738
 739 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
 740
 741         PR fortran/39865
 742         * io.c (resolve_tag_format): CHARACTER array in FMT= argument
 743         isn't an extension.  Reject non-CHARACTER array element of
 744         assumed shape or pointer or assumed size array.
 745         * trans-array.c (array_parameter_size): New function.
 746         (gfc_conv_array_parameter): Add size argument.  Call
 747         array_parameter_size if it is non-NULL.
 748         * trans-array.h (gfc_conv_array_parameter): Adjust prototype.
 749         * trans-expr.c (gfc_conv_function_call, gfc_trans_arrayfunc_assign):
 750         Adjust callers.
 751         * trans-intrinsic.c (gfc_conv_intrinsic_loc): Likewise.
 752         * trans-io.c (gfc_convert_array_to_string): Rewritten.
 753
 754 2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 755
 756         * gfortran.h (gfc_code): Rename struct member expr to expr1.
 757         * openmp.c (resolve_omp_atomic): Update expr to expr1.
 758         * interface.c (gfc_extend_assign): Ditto.
 759         * trans-expr.c (gfc_conv_expr_reference, gfc_trans_assignment,
 760         gfc_trans_init_assign): Ditto.
 761         * dump-parse-tree.c (show_code_node): Ditto.
 762         * trans-openmp.c (gfc_trans_omp_atomic): Ditto.
 763         * trans-stmt.c ( gfc_trans_label_assign, gfc_trans_goto, gfc_trans_call,
 764         gfc_trans_return, gfc_trans_pause, gfc_trans_stop, gfc_trans_if_1,
 765         gfc_trans_arithmetic_if, gfc_trans_do_while, gfc_trans_integer_select,
 766         gfc_trans_logical_select, gfc_trans_character_select
 767         forall_make_variable_temp, check_forall_dependencies
 768         gfc_trans_forall_1, gfc_trans_where_2, gfc_trans_where_3
 769         gfc_trans_where, gfc_trans_allocate, gfc_trans_deallocate): Ditto.
 770         * io.c (match_io_element, gfc_match_inquire): Ditto.
 771         * resolve.c (resolve_typebound_call, resolve_ppc_call,
 772         resolve_allocate_expr, resolve_allocate_deallocate, resolve_select,
 773         resolve_transfer, resolve_where, gfc_resolve_assign_in_forall,
 774         gfc_resolve_blocks, resolve_code, build_init_assign): Ditto.
 775         * st.c (gfc_free_statement): Ditto.
 776         * match.c (gfc_match_assignment, gfc_match_pointer_assignment,
 777         match_arithmetic_if, gfc_match_if, gfc_match_elseif
 778         gfc_match_stopcode, gfc_match_assign, gfc_match_goto,
 779         gfc_match_nullify, match_typebound_call, gfc_match_call
 780         gfc_match_select, match_simple_where, gfc_match_where
 781         gfc_match_elsewhere, match_simple_forall, gfc_match_forall): Ditto.
 782         * trans-io.c (gfc_trans_transfer): Ditto.
 783         * parse.c (parse_where_block, parse_if_block): Ditto.
 784
 785 2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>
 786
 787         * gfortran.h (gfc_code): Rename struct member label to label1.
 788         * dump-parse-tree.c (show_code_node): Update symbol.
 789         * trans-stmt.c (gfc_trans_label_assign, gfc_trans_goto,
 790         gfc_trans_arithmetic_if): Ditto.
 791         * resolve.c (gfc_resolve_blocks, resolve_code): Ditto.
 792         * match.c (match_arithmetic_if, gfc_match_if, gfc_reference_st_label,
 793         gfc_match_assign, gfc_match_goto): Ditto.
 794         * parse.c (parse_do_block): Ditto.
 795
 796 2009-05-13  Tobias Burnus  <burnus@net-b.de>
 797
 798         PR fortran/34153
 799         * gfortran.h (gfc_exec_op): Add EXEC_END_PROCEDURE.
 800         * dump-parse-tree.c (show_code_node): Use EXEC_END_PROCEDURE.
 801         * trans.c (gfc_trans_code): Ditto.
 802         * resolve.c (resolve_code): Ditto.
 803         * st.c (gfc_free_statement): Ditto.
 804         * parse.c (accept_statement): Ditto.
 805
 806 2009-05-12  Tobias Burnus  <burnus@net-b.de>
 807
 808         PR fortran/40110
 809         * decl.c (gfc_match_kind_spec): Turn C kind error into a warning.
 810
 811 2009-05-11  Steve Ellcey  <sje@cup.hp.com>
 812
 813         * resolve.c (check_host_association): Initialize tail.
 814
 815 2009-05-11  Janus Weil  <janus@gcc.gnu.org>
 816
 817         PR fortran/40089
 818         * resolve.c (resolve_fl_derived): Only return FAILURE if
 819         gfc_notify_std fails.
 820
 821 2009-05-10  Ian Lance Taylor  <iant@google.com>
 822
 823         * gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of
 824         gfc_omp_clauses.
 825         (enum gfc_omp_default_sharing): Likewise.
 826         * module.c (enum gfc_rsym_state): New enum, broken out of
 827         pointer_info.
 828         (enum gfc_wsym_state): Likewise.
 829         * parse.c (enum state_order): New enum, broken out of st_state.
 830
 831 2009-05-10  Paul Thomas  <pault@gcc.gnu.org>
 832
 833         PR fortran/40018
 834         * trans-array.c (gfc_trans_array_constructor_value): Fold
 835         convert numeric constants.
 836         (gfc_build_constant_array_constructor): The same.
 837
 838 2009-05-10  Paul Thomas  <pault@gcc.gnu.org>
 839
 840         PR fortran/38863
 841         * trans-expr.c (gfc_conv_operator_assign): Remove function.
 842         * trans.h : Remove prototype for gfc_conv_operator_assign.
 843         * trans-stmt.c (gfc_conv_elemental_dependencies): Initialize
 844         derivde types with intent(out).
 845         (gfc_trans_call): Add mask, count1 and invert arguments. Add
 846         code to use mask for WHERE assignments.
 847         (gfc_trans_forall_1): Use new arguments for gfc_trans_call.
 848         (gfc_trans_where_assign): The gfc_symbol argument is replaced
 849         by the corresponding code. If this has a resolved_sym, then
 850         gfc_trans_call is called. The call to gfc_conv_operator_assign
 851         is removed.
 852         (gfc_trans_where_2): Change the last argument in the call to
 853         gfc_trans_where_assign.
 854         * trans-stmt.h : Modify prototype for gfc_trans_call.
 855         * trans.c (gfc_trans_code): Use new args for gfc_trans_call.
 856
 857 2009-05-08  Janus Weil  <janus@gcc.gnu.org>
 858
 859         PR fortran/39876
 860         * intrinsic.c (gfc_is_intrinsic): Do not add the EXTERNAL attribute if
 861         the symbol is a module procedure.
 862
 863 2009-05-08  Tobias Burnus  <burnus@net-b.de>
 864
 865         * invoke.texi: Add do/recursion to the -fcheck= summary.
 866
 867 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 868
 869         PR fortran/38830
 870         * gfortran.texi: Document that we don't support variable FORMAT
 871         expressions.
 872
 873 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 874
 875         PR fortran/39576
 876         * error.c (error_print): Add missing break statement.
 877
 878 2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 879
 880         PR fortran/36382
 881         * invoke.texi: Document that -fdollar-ok does not allow $ to be
 882         used in IMPLICIT statement.
 883
 884 2009-05-06  Janus Weil  <janus@gcc.gnu.org>
 885             Paul Thomas  <pault@gcc.gnu.org>
 886
 887         PR fortran/39630
 888         * decl.c (match_procedure_interface): New function to match the
 889         interface for a PROCEDURE statement.
 890         (match_procedure_decl): Call match_procedure_interface.
 891         (match_ppc_decl): New function to match the declaration of a
 892         procedure pointer component.
 893         (gfc_match_procedure):  Call match_ppc_decl.
 894         (match_binding_attributes): Add new argument 'ppc' and handle the
 895         POINTER attribute for procedure pointer components.
 896         (match_procedure_in_type,gfc_match_generic): Added new argument to
 897         match_binding_attributes.
 898         * dump-parse-tree.c (show_expr,show_components,show_code_node): Handle
 899         procedure pointer components.
 900         * expr.c (free_expr0,gfc_copy_expr,gfc_simplify_expr): Handle EXPR_PPC.
 901         (gfc_check_pointer_assign): Handle procedure pointer components, but no
 902         full checking yet.
 903         (is_proc_ptr_comp): New function to determine if an expression is a
 904         procedure pointer component.
 905         * gfortran.h (expr_t): Add EXPR_PPC.
 906         (symbol_attribute): Add new member 'proc_pointer_comp'.
 907         (gfc_component): Add new member 'formal'.
 908         (gfc_exec_op): Add EXEC_CALL_PPC.
 909         (gfc_get_default_type): Changed first argument.
 910         (is_proc_ptr_comp): Add prototype.
 911         (gfc_match_varspec): Add new argument.
 912         * interface.c (compare_actual_formal): Handle procedure pointer
 913         components.
 914         * match.c (gfc_match_pointer_assignment,match_typebound_call): Handle
 915         procedure pointer components.
 916         * module.c (mio_expr): Handle EXPR_PPC.
 917         * parse.c (parse_derived): Handle procedure pointer components.
 918         * primary.c (gfc_match_varspec): Add new argument 'ppc_arg' and handle
 919         procedure pointer components.
 920         (gfc_variable_attr): Handle procedure pointer components.
 921         (gfc_match_rvalue): Added new argument to gfc_match_varspec and changed
 922         first argument of gfc_get_default_type.
 923         (match_variable): Added new argument to gfc_match_varspec.
 924         * resolve.c (resolve_entries,set_type,resolve_fl_parameter): Changed
 925         first argument of gfc_get_default_type.
 926         (resolve_structure_cons,resolve_actual_arglist): Handle procedure
 927         pointer components.
 928         (resolve_ppc_call): New function to resolve a call to a procedure
 929         pointer component (subroutine).
 930         (resolve_expr_ppc): New function to resolve a call to a procedure
 931         pointer component (function).
 932         (gfc_resolve_expr): Handle EXPR_PPC.
 933         (resolve_code): Handle EXEC_CALL_PPC.
 934         (resolve_fl_derived): Copy the interface for a procedure pointer
 935         component.
 936         (resolve_symbol): Fix overlong line.
 937         * st.c (gfc_free_statement): Handle EXEC_CALL_PPC.
 938         * symbol.c (gfc_get_default_type): Changed first argument.
 939         (gfc_set_default_type): Changed first argument of gfc_get_default_type.
 940         (gfc_add_component): Initialize ts.type to BT_UNKNOWN.
 941         * trans.h (gfc_conv_function_call): Renamed.
 942         * trans.c (gfc_trans_code): Handle EXEC_CALL_PPC.
 943         * trans-expr.c (gfc_conv_component_ref): Ditto.
 944         (gfc_conv_function_val): Rename to 'conv_function_val', add new
 945         argument 'expr' and handle procedure pointer components.
 946         (gfc_conv_operator_assign): Renamed gfc_conv_function_val.
 947         (gfc_apply_interface_mapping_to_expr): Handle EXPR_PPC.
 948         (gfc_conv_function_call): Rename to 'gfc_conv_procedure_call', add new
 949         argument 'expr' and handle procedure pointer components.
 950         (gfc_get_proc_ptr_comp): New function to get the backend decl for a
 951         procedure pointer component.
 952         (gfc_conv_function_expr): Renamed gfc_conv_function_call.
 953         (gfc_conv_structure): Handle procedure pointer components.
 954         * trans-intrinsic.c (gfc_conv_intrinsic_funcall,
 955         conv_generic_with_optional_char_arg): Renamed gfc_conv_function_call.
 956         * trans-stmt.h (gfc_get_proc_ptr_comp): Add prototype.
 957         * trans-stmt.c (gfc_trans_call): Renamed gfc_conv_function_call.
 958         * trans-types.h (gfc_get_ppc_type): Add prototype.
 959         * trans-types.c (gfc_get_ppc_type): New function to build a tree node
 960         for a procedure pointer component.
 961         (gfc_get_derived_type): Handle procedure pointer components.
 962
 963 2009-05-06  Tobias Burnus  <burnus@net-b.de>
 964
 965         PR fortran/40041
 966         * resolve.c (resolve_symbol): Print no warning for implicitly
 967         typed intrinsic functions.
 968
 969 2009-05-05  Janus Weil  <janus@gcc.gnu.org>
 970
 971         PR fortran/39998
 972         * expr.c (gfc_check_pointer_assign): Check for statement functions and
 973         internal procedures in procedure pointer assignments.
 974
 975 2009-04-28  Janus Weil  <janus@gcc.gnu.org>
 976
 977         PR fortran/39946
 978         * resolve.c (resolve_symbol): Correctly copy the interface of a
 979         PROCEDURE statement if the interface involves a RESULT variable.
 980
 981 2009-04-28  Janus Weil  <janus@gcc.gnu.org>
 982
 983         PR fortran/39930
 984         PR fortran/39931
 985         * expr.c (gfc_check_pointer_assign): Correctly detect if the left hand
 986         side is a pointer.
 987         * parse.c (gfc_fixup_sibling_symbols): Don't check for ambiguity.
 988
 989 2009-04-28  Paul Thomas  <pault@gcc.gnu.org>
 990
 991         PR fortran/39879
 992         * trans_expr.c (gfc_conv_procedure_call): Deep copy a derived
 993         type parentheses argument if it is a variable with allocatable
 994         components.
 995
 996 2009-04-27  Ian Lance Taylor  <iant@google.com>
 997
 998         * trans-intrinsic.c (DEFINE_MATH_BUILTIN): Add casts to enum
 999         type.
1000         * trans-io.c (st_parameter_field): Add casts to enum type.
1001
1002 2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>
1003
1004         PR fortran/39893
1005         fortran/data.c (gfc_assign_data_value): If the lvalue is an
1006         assumed character length entity in a data statement, then
1007         return FAILURE to prevent segmentation fault.
1008
1009 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
1010
1011         * trans-decl.c: Include pointer-set.h.
1012         (nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
1013         (gfc_nonlocal_dummy_array_decl): New function.
1014         (gfc_get_symbol_decl): Call it for non-local dummy args with saved
1015         descriptor.
1016         (gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
1017         (gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
1018         chain it to outermost block's vars, destroy it afterwards.
1019         * Make-lang.in (trans-decl.o): Depend on pointer-set.h.
1020
1021 2009-04-25  Janus Weil  <janus@gcc.gnu.org>
1022
1023         PR fortran/39688
1024         * decl.c (gfc_match_import): Use 'sym->name' instead of 'name'.
1025         They differ if the symbol has been use-renamed.
1026
1027 2009-04-24  Ian Lance Taylor  <iant@google.com>
1028
1029         * gfortran.h (enum gfc_symbol_type): New named enum type, broken
1030         out of struct gfc_symbol.
1031         (struct gfc_symbol): Use enum gfc_symbol_type.
1032         (enum gfc_array_ref_dimen_type): New named enum type, broken out
1033         of struct gfc_array_ref).
1034         (struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
1035         (mod_pointee_as): Update declaration.
1036         * decl.c (add_global_entry): Change type to enum gfc_symbol_type.
1037         (gfc_mod_pointee_as): Change return type to "match".
1038         * module.c (mio_array_ref): Add cast to enum type.
1039         (mio_symbol): Likewise.
1040         * resolve.c (resolve_global_procedure): Change type to enum
1041         gfc_symbol_type.
1042         * trans-io.c (gfc_build_st_parameter): Change type to unsigned
1043         int.
1044
1045 2009-04-24  Daniel Kraft  <d@domob.eu>
1046
1047         * gfortran.h (gfc_get_typebound_proc): Removed as macro, now a function.
1048         (struct gfc_symtree): Moved "typebound" member inside union.
1049         (struct gfc_namespace): Add "tb_sym_root" as new symtree to sort out
1050         type-bound procedures there.
1051         (gfc_get_tbp_symtree): New procedure.
1052         * symbol.c (tentative_tbp_list): New global.
1053         (gfc_get_namespace): NULL new "tb_sym_root" member.
1054         (gfc_new_symtree): Removed initialization of "typebound" member.
1055         (gfc_undo_symbols): Process list of tentative tbp's.
1056         (gfc_commit_symbols): Ditto.
1057         (free_tb_tree): New method.
1058         (gfc_free_namespace): Call it.
1059         (gfc_get_typebound_proc): New method.
1060         (gfc_get_tbp_symtree): New method.
1061         (gfc_find_typebound_proc): Adapt to structural changes of gfc_symtree
1062         and gfc_namespace with regards to tbp's.
1063         * dump-parse-tree.c (show_typebound): Ditto.
1064         * primary.c (gfc_match_varspec): Ditto.  Don't reference tbp-symbol
1065         as it isn't a symbol any longer.
1066         * module.c (mio_typebound_symtree): Adapt to changes.
1067         (mio_typebound_proc): Ditto, create symtrees using "gfc_get_tbp_symtree"
1068         rather than "gfc_get_sym_tree".
1069         (mio_f2k_derived): Ditto.
1070         * decl.c (match_procedure_in_type): Ditto.
1071         (gfc_match_generic): Ditto.  Don't reference tbp-symbol.
1072         * resolve.c (check_typebound_override): Adapt to changes.
1073         (resolve_typebound_generic): Ditto.
1074         (resolve_typebound_procedures): Ditto.
1075         (ensure_not_abstract_walker): Ditto.
1076         (ensure_not_abstract): Ditto.
1077         (resolve_typebound_procedure): Ditto, ignore erraneous symbols (for
1078         instance, through removed tentative ones).
1079         * gfc-internals.texi (Type-bound procedures): Document changes.
1080
1081 2009-04-24  Janus Weil  <janus@gcc.gnu.org>
1082
1083         PR fortran/39861
1084         PR fortran/39864
1085         * symbol.c (gfc_copy_formal_args_intr): Set attr.flavor and attr.dummy
1086         for the formal arguments.
1087
1088 2009-04-21  Taras Glek <tglek@mozilla.com>
1089
1090         * f95-lang.c: Update GTY annotations to new syntax.
1091         * trans-intrinsic.c: Likewise.
1092         * trans-io.c: Likewise.
1093         * trans.h: Likewise.
1094
1095 2009-04-22  Janus Weil  <janus@gcc.gnu.org>
1096
1097         PR fortran/39735
1098         * decl.c (add_hidden_procptr_result): Bugfix for procptr results.
1099         (match_procedure_decl): Set if_source.
1100         * expr.c (gfc_check_pointer_assign): Bugfix: Return after error.
1101         And: Check interface also for IFSRC_UNKNOWN (return type may be known).
1102         * gfortran.h (typedef enum ifsrc): Remove IFSRC_USAGE,
1103         add documentation. Rename copy_formal_args and copy_formal_args_intr.
1104         * interface.c (gfc_compare_interfaces): Check for return types,
1105         handle IFSRC_UNKNOWN.
1106         (compare_intr_interfaces,compare_actual_formal_intr): Obsolete, removed.
1107         (gfc_procedure_use): Modified handling of intrinsics.
1108         * intrinsic.c (add_functions): Bugfix for "dim".
1109         * resolve.c (resolve_intrinsic): New function to resolve intrinsics,
1110         which copies the interface from isym to sym.
1111         (resolve_procedure_expression,resolve_function): Use new function
1112         'resolve_intrinsic'.
1113         (resolve_symbol): Add function attribute for externals with return type
1114         and use new function 'resolve_intrinsic'.
1115         * symbol.c (ifsrc_types): Remove string for IFSRC_USAGE.
1116         (copy_formal_args): Renamed to gfc_copy_formal_args.
1117         (copy_formal_args_intr): Renamed to gfc_copy_formal_args_intr.
1118         * trans-const.c (gfc_conv_const_charlen): Handle cl==NULL.
1119
1120 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
1121
1122         * ChangeLog, ChangeLog-2002, ChangeLog-2003, ChangeLog-2004,
1123         ChangeLog-2005, ChangeLog-2006, ChangeLog-2007, ChangeLog-2008,
1124         ChangeLog.ptr, config-lang.in, ioparm.def, mathbuiltins.def: Add
1125         copyright and license notices.
1126         * ChangeLog, ChangeLog-2005, ChangeLog-2006, ChangeLog-2007,
1127         ChangeLog-2008: Correct dates.
1128
1129 2009-04-20  Tobias Burnus  <burnus@net-b.de>
1130
1131         PR fortran/39811
1132         * scanner.c (load_line): Fix bogus "&" compile-time diagnostic.
1133
1134 2009-04-20  Paul Thomas  <pault@gcc.gnu.org>
1135
1136         PR fortran/39800
1137         * resolve.c (is_sym_host_assoc): New function.
1138         (resolve_fl_derived): Call it when checking PRIVATE components
1139         of PUBLIC derived types.  Change gfc_error to a gfc_notify_std
1140         with std=f2003.
1141         (resolve_fl_namelist): Call it twice to check for host
1142         association.
1143
1144 2009-04-20  Ian Lance Taylor  <iant@google.com>
1145
1146         * module.c (import_iso_c_binding_module): Add casts to enum type.
1147         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
1148         tree_code.
1149         (gfc_conv_intrinsic_anyall): Likewise.
1150         (gfc_conv_intrinsic_arith): Likewise.
1151         (gfc_conv_intrinsic_minmaxloc): Likewise.
1152         (gfc_conv_intrinsic_minmaxval): Likewise.
1153         (gfc_conv_intrinsic_bitop): Likewise.
1154         (gfc_conv_intrinsic_singlebitop): Likewise.
1155         (gfc_conv_intrinsic_strcmp): Likewise.
1156
1157 2009-04-20  Vasilis Liaskovitis  <vliaskov@gmail.com>
1158             Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR fortran/35423
1161         * trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
1162         OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
1163         (ompws_flags): New extern decl.
1164         * trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
1165         for the outer dimension if ompws_flags allow it.
1166         * trans.c (gfc_generate_code): Clear ompws_flags.
1167         * trans-expr.c (gfc_trans_assignment_1): Allow worksharing
1168         array assignments inside of !$omp workshare.
1169         * trans-stmt.c (gfc_trans_where_3): Similarly for where statements
1170         and constructs.
1171         * trans-openmp.c (ompws_flags): New variable.
1172         (gfc_trans_omp_workshare): Rewritten.
1173
1174 2009-04-11  Daniel Kraft  <d@domob.eu>
1175
1176         PR fortran/37746
1177         * gfortran.h (struct gfc_charlen): New field "passed_length" to store
1178         the actual passed string length for dummy arguments.
1179         * trans-decl.c (gfc_create_string_length): Formatting fixes and added
1180         assertion, moved a local variable into the innermost block it is needed.
1181         (create_function_arglist): Removed TODO about the check being
1182         implemented and initialize cl->passed_length here.
1183         (add_argument_checking): New method.
1184         (gfc_generate_function_code): Call the argument checking method.
1185
1186 2009-04-11  Janus Weil  <janus@gcc.gnu.org>
1187
1188         PR fortran/39692
1189         * symbol.c (check_conflict): Reject procedure pointers for -std=f95.
1190
1191 2009-04-11  Daniel Franke  <franke.daniel@gmail.com>
1192
1193         * resolve.c (resolve_global_procedure): Enable whole-file checking for
1194         procedures that are declared later in the file.
1195
1196 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1197
1198         PR middle-end/39701
1199         * trans.c (gfc_allocate_with_status): Fix type mismatches
1200         on "pstat == 0".
1201
1202 2009-04-10  Daniel Franke  <franke.daniel@gmail.com>
1203
1204         PR fortran/38709
1205         * expr.c (find_array_section): Leave early on zero-sized arrays.
1206
1207 2009-04-09  Janus Weil  <janus@gcc.gnu.org>
1208
1209         PR fortran/36704
1210         * decl.c (add_hidden_procptr_result): New function for handling
1211         procedure pointer return values by adding a hidden result variable.
1212         (variable_decl,match_procedure_decl,gfc_match_function_decl,
1213         gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
1214         return values.
1215         * parse.c (parse_interface): Add EXTERNAL attribute only after
1216         FUNCTION/SUBROUTINE declaration is complete.
1217         * primary.c (replace_hidden_procptr_result): New function for replacing
1218         function symbol by hidden result variable.
1219         (gfc_match_rvalue,match_variable): Replace symbol by hidden result
1220         variable.
1221         * resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
1222         resolve_symbol): Allow for procedure pointer function results.
1223         (resolve_fl_procedure): Conflict detection moved here from
1224         'check_conflict'.
1225         * symbol.c (gfc_check_function_type): Allow for procedure pointer
1226         function results.
1227         (check_conflict): Move some conflict detection to resolution stage.
1228         * trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
1229         result variables.
1230
1231 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1232
1233         * trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
1234         contain TYPE_STRING_FLAG types.
1235
1236 2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>
1237
1238         PR fortran/39670
1239         * invoke.texi (fdollar-ok): Fix typo.
1240
1241 2009-04-08  Daniel Franke  <franke.daniel@gmail.com>
1242
1243         PR fortran/39670
1244         * invoke.texi (fdollar-ok): Clarify limitations.
1245
1246 2009-04-08  Paul Thomas  <pault@gcc.gnu.org>
1247
1248         PR fortran/38863
1249         * trans-array.c (gfc_trans_deferred_array): Return if this
1250         is a result variable.
1251
1252 2009-04-07  Janus Weil  <janus@gcc.gnu.org>
1253
1254         PR fortran/38152
1255         * trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
1256         procedure pointer decls.
1257
1258 2009-04-07  Janus Weil  <janus@gcc.gnu.org>
1259
1260         PR fortran/38290
1261         * expr.c (gfc_check_pointer_assign): Enable interface check for
1262         procedure pointers.
1263         * gfortran.h: Add copy_formal_args_intr.
1264         * interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
1265         if second argument is an intrinsic.
1266         (compare_intr_interfaces): Correctly set attr.function, attr.subroutine
1267         and ts.
1268         (compare_parameter): Call gfc_compare_interfaces also for intrinsics.
1269         * resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
1270         intrinsic interfaces here. Must happen earlier.
1271         (resolve_symbol): Resolution of intrinsic interfaces moved here from
1272         resolve_specific_..., and formal args are now copied from intrinsic
1273         interfaces.
1274         * symbol.c (copy_formal_args_intr): New function to copy the formal
1275         arguments from an intinsic procedure.
1276
1277 2009-04-06  Paul Thomas  <pault@gcc.gnu.org>
1278
1279         PR fortran/38863
1280         * dependency.c (ref_same_as_full_array): New function.
1281         (gfc_dep_resolver): Call it.
1282
1283 2009-04-06  Janus Weil  <janus@gcc.gnu.org>
1284
1285         PR fortran/39414
1286         * decl.c (match_procedure_decl): Fix double declaration problems with
1287         PROCEDURE statements.
1288         * symbol.c (gfc_add_type): Ditto.
1289
1290 2009-04-06  Paul Thomas  <pault@gcc.gnu.org>
1291
1292         PR fortran/36091
1293         * trans-array.c (gfc_conv_array_ref): If the symbol has the
1294         temporary attribute use the array_spec for the bounds.
1295         * gfortran.h : Add the temporary field to the structure
1296         'symbol_attribute'.
1297         * trans-stmt.c (forall_make_variable_temp): Set the symbol's
1298         temporary attribute.
1299
1300 2009-04-05  Daniel Franke  <franke.daniel@gmail.com>
1301
1302         PR fortran/29458
1303         * trans-array.c (gfc_trans_array_constructor_value): Shadow
1304         implied do-loop variable to avoid spurious middle-end warnings.
1305
1306 2009-04-04  Tobias Burnus  <burnus@net-b.de>
1307
1308         PR fortran/39577
1309         * trans-decl.c (gfc_generate_function_code): Move recursive
1310         check to the right position.
1311
1312 2009-04-04  Paul Thomas  <pault@gcc.gnu.org>
1313
1314         PR fortran/37614
1315         * trans-common.c (translate_common): Do not offset the whole
1316         coomon block.
1317
1318 2009-04-03  Tobias Burnus  <burnus@net-b.de>
1319
1320         PR fortran/39594
1321         * resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
1322         if it is not a procedure pointer.
1323         * primary.c (match_actual_arg): Ditto.
1324
1325 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
1326
1327         PR preprocessor/15638
1328         * cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.
1329
1330 2009-03-30  Steven G. Kargl  <kargls@comcast.net>
1331
1332         PR fortran/38389
1333         * trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
1334         (gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
1335         comments.  Minor whitespace cleanup.
1336         * resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
1337         (resolve_deallocate_expr (gfc_expr *e): Update error message.
1338         (resolve_allocate_expr):  Remove dead code.  Update error message.
1339         Move error checking to ...
1340         (resolve_allocate_deallocate): ... here.  Add additional error
1341         checking for STAT, ERRMSG, and allocate-objects.
1342         * match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
1343         Check for redundant uses of STAT and ERRMSG.  Reword error message
1344         and add checking for pointer, allocatable, and proc_pointer attributes.
1345
1346 2009-03-30  Paul Thomas  <pault@gcc.gnu.org>
1347
1348         PR fortran/22571
1349         PR fortran/26227
1350         PR fortran/24886
1351         * symbol.c : Add gfc_global_ns_list.
1352         * decl.c (add_global_entry): Set the namespace ('ns') field.
1353         * gfortran.h : Add the resolved field to gfc_namespace. Add the
1354         namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
1355         gfc_option_t.  Add the prototype for gfc_free_dt_list.
1356         * lang.opt : Add the whole-file option.
1357         * invoke.texi : Document the whole-file option.
1358         * resolve.c (resolve_global_procedure): If the fwhole-file
1359         option is set, reorder gsymbols to ensure that translation is
1360         in the right order.  Resolve the gsymbol's namespace if that
1361         has not occurred and then check interfaces.
1362         (resolve_function): Move call to resolve_global_procedure.
1363         (resolve_call): The same.
1364         (resolve_codes): Store the current labels_obstack.
1365         (gfc_resolve) : Return if the namespace is already resolved.
1366         trans-decl.c (gfc_get_extern_function_decl): If the whole_file
1367         option is selected, use the backend_decl of a gsymbol, if it is
1368         available.
1369         parse.c (add_global_procedure, add_global_program): If the flag
1370         whole-file is set, add the namespace to the gsymbol.
1371         (gfc_parse_file): On -fwhole-file, put procedure namespaces on
1372         the global namespace list.  Rearrange to do resolution of all
1373         the procedures in a file, followed by their translation.
1374         * options.c (gfc_init_options): Add -fwhole-file.
1375         (gfc_handle_option): The same.
1376
1377 2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1378
1379         * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
1380         family of intrinsics instead of BUILT_IN_INF family.
1381         * trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
1382         BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.
1383
1384 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
1385
1386         * trans-types.c (gfc_sym_type, gfc_return_by_reference): For
1387         sym->attr.result check sym->ns->proc_name->attr.is_bind_c.
1388
1389 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
1390
1391         PR rtl-optimization/323
1392         * options.c (gfc_post_options): Set
1393         flag_excess_precision_cmdline.  Give an error for
1394         -fexcess-precision=standard for processors where the option is
1395         significant.
1396
1397 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
1398
1399         PR preprocessor/34695
1400         * cpp.c (cb_cpp_error): New.
1401         (gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
1402         Don't check cpp_errors (cpp_in).
1403         (gfc_cpp_init_0): Set cb->error.
1404
1405 2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>
1406
1407         PR fortran/38823
1408         * gfortran.h: Add ARITH_PROHIBIT to arith enum.
1409         expr.c (gfc_match_init_expr): Add global variable init_flag to
1410         flag matching an initialization expression.
1411         (check_intrinsic_op): Move no longer reachable error message to ...
1412         * arith.c (arith_power): ... here.  Remove gfc_ prefix in
1413         gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
1414         when y is REAL or COMPLEX.
1415         (eval_intrinsic): Remove restriction that y in x**y must be INTEGER
1416         for constant folding.
1417         * gfc_power: Update gfc_arith_power to arith_power
1418
1419 2009-03-29  Daniel Kraft  <d@domob.eu>
1420
1421         PR fortran/37423
1422         * gfortran.h (struct gfc_typebound_proc): Added new flag "deferred" and
1423         added a comment explaining DEFERRED binding handling.
1424         * decl.c (match_binding_attributes): Really match DEFERRED attribute.
1425         (match_procedure_in_type): Really match PROCEDURE(interface) syntax
1426         and do some validity checks for DEFERRED and this construct.
1427         * module.c (binding_overriding): New string constant for DEFERRED.
1428         (mio_typebound_proc): Module-IO DEFERRED flag.
1429         * resolve.c (check_typebound_override): Ensure that a non-DEFERRED
1430         binding is not overridden by a DEFERRED one.
1431         (resolve_typebound_procedure): Allow abstract interfaces as targets
1432         for DEFERRED bindings.
1433         (ensure_not_abstract_walker), (ensure_not_abstract): New methods.
1434         (resolve_fl_derived): Use new "ensure_not_abstract" method for
1435         non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
1436         binding is overridden.
1437         (check_typebound_baseobject): New method.
1438         (resolve_compcall), (resolve_typebound_call): Check base-object of
1439         the type-bound procedure call.
1440         * gfc-internals.texi (Type-bound procedures): Document a little bit
1441         about internal handling of DEFERRED bindings.
1442
1443 2009-03-29  Tobias Schlueter  <tobi@gcc.gnu.org>
1444
1445         PR fortran/38507
1446         * gfortran.h (gfc_st_label): Fix comment.
1447         (gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
1448         * parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
1449         END SELECT with labels.
1450         (check_do_closure): Fix formatting.
1451         (parse_do_block): Fix typo in error message.
1452         * resolve.c (code_stack): Remove tail member.  Update comment to
1453         new use of reachable_labels.
1454         (reachable_labels): Rename to ...
1455         (find_reachable_labels): ... this.  Overhaul.  Update preceding
1456         comment.
1457         (resolve_branch): Fix comment preceding function.  Rewrite.
1458         (resolve_code): Update call to find_reachable_labels.  Add code to
1459         deal with EXEC_END_BLOCK.
1460         * st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
1461         Add 2009 to copyright years.
1462         * trans.c (gfc_trans_code): Likewise on both counts.
1463
1464 2009-03-31  Paul Thomas  <pault@gcc.gnu.org>
1465
1466         PR fortran/38917
1467         * expr.c (gfc_check_assign): Allow pointer components when
1468         checking for NULL.
1469
1470         PR fortran/38918
1471         * resolve.c (check_data_variable): Treat pointer arrays with
1472         scalars.
1473
1474 2009-03-31  Paul Thomas  <pault@gcc.gnu.org>
1475
1476         PR fortran/38915
1477         * trans-expr.c (gfc_trans_assignment_1): Ensure temporaries
1478         have a string_length.
1479
1480 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1481
1482         PR fortran/34656
1483         * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
1484         Add GFC_RTCHECK_DO support.
1485         * option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
1486         * invoke.texi (-fcheck): Document "do" option.
1487
1488 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
1489
1490         PR fortran/38538
1491         * trans-array.c (get_elemental_fcn_charlen): Remove.
1492         (get_array_charlen): New function to replace previous.
1493
1494 2009-03-28  Paul Thomas  <pault@gcc.gnu.org>
1495
1496         PR fortran/38765
1497         * parse.c (parse_derived): Do not break on finding pointer,
1498         allocatable or private components.
1499
1500 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1501
1502         PR fortran/32626
1503         * option.c (gfc_handle_runtime_check_option): Enable recursion check.
1504         * trans-decl.c (gfc_generate_function_code): Add recursion check.
1505         * invoke.texi (-fcheck): Add recursive option.
1506
1507 2009-03-28  Tobias Burnus  <burnus@net-b.de>
1508
1509         PR fortran/38432
1510         * resolve.c (gfc_resolve_iterator): Add zero-loop warning.
1511
1512 2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1513             Paul Thomas  <pault@gcc.gnu.org>
1514             Tobias Burnus  <burnus@net-b.de>
1515
1516         * gfortran.h (gfc_option_t): Add rtcheck.
1517         * lang.opt: New option -fcheck.
1518         * libgfortran.h: Add GFC_RTCHECK_* constants.
1519         * invoke.texi: Document -fcheck.
1520         * options.c (gfc_handle_runtime_check_option): New function.
1521         (gfc_init_options,gfc_post_options,gfc_handle_option):
1522         Add -fcheck option.
1523
1524 2009-03-27  Richard Guenther  <rguenther@suse.de>
1525
1526         * trans-array.c (gfc_conv_descriptor_data_addr): Use
1527         gfc_build_addr_expr instead of build_fold_addr_expr.
1528         (gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
1529         gfc_trans_constant_array_constructor, gfc_conv_array_data,
1530         gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
1531         * trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
1532         gfc_conv_function_val, gfc_conv_operator_assign,
1533         gfc_conv_subref_array_arg, gfc_conv_function_call,
1534         gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
1535         * trans-intrinsic.c (gfc_conv_intrinsic_exponent,
1536         gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
1537         gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
1538         gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
1539         gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
1540         gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
1541         gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
1542         * trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
1543         gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
1544         build_filepos, gfc_trans_inquire, gfc_trans_wait,
1545         nml_get_addr_expr, transfer_namelist_element, build_dt,
1546         gfc_trans_dt_end, transfer_array_component, transfer_expr,
1547         transfer_array_desc, gfc_trans_transfer): Likewise.
1548         * trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
1549         * trans.c (gfc_build_addr_expr): Mark the base of the address
1550         TREE_ADDRESSABLE.
1551
1552 2009-03-27  Tobias Burnus  <burnus@net-b.de>
1553
1554         * gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
1555         (gfc_expr): Add is_snan.
1556         * trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
1557         (gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
1558         * trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
1559         * resolve.c (build_default_init_expr): Update call.
1560         * target-memory.c (encode_float): Ditto.
1561         * trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,
1562
1563 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1564
1565         * lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
1566         and -fpreprocessed.
1567
1568 2009-03-06  Alexandre Oliva <aoliva@redhat.com>
1569
1570         * simplify.c (gfc_simplify_transfer): Zero-initialize the
1571         buffer.
1572
1573 2009-02-27  Tobias Burnus  <burnus@net-b.de>
1574
1575         PR fortran/39309
1576         * module.c (read_md5_from_module_file): Add missing quote.
1577
1578 2009-02-27  Tobias Burnus  <burnus@net-b.de>
1579
1580         PR fortran/39309
1581         * module.c (read_md5_from_module_file): Include mod version
1582         in had-changed test.
1583
1584 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
1585
1586         PR fortran/39295
1587         * interface.c (compare_type_rank_if): Return 1 if the symbols
1588         are the same and deal with external procedures where one is
1589         identified to be a function or subroutine by usage but the
1590         other is not.
1591
1592 2009-02-26  Paul Thomas  <pault@gcc.gnu.org>
1593
1594         PR fortran/39292
1595         * trans-array.c (gfc_conv_array_initializer): Convert all
1596         expressions rather than ICEing.
1597
1598 2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>
1599
1600         PR fortran/38914
1601         * array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
1602         make global.  Change function name in error messages.
1603         (ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
1604         (gfc_array_ref_shape):  Likewise.
1605         * gfortran.h:  Add prototype for gfc_ref_dimen_size.
1606         * simplify.c (simplify_bound_dim):  Add ref argument.
1607         If the reference isn't a full array, return one for
1608         the lower bound and the extent for the upper bound.
1609         (simplify_bound):  For array sections, take as from the
1610         argument.  Add reference to all to simplify_bound_dim.
1611
1612 2009-02-19  Daniel Franke  <franke.daniel@gmail.com>
1613
1614         * scanner.c (load_line): At end of line, skip '\r' without setting
1615         the truncation flag.
1616
1617 2009-02-18  Daniel Kraft  <d@domob.eu>
1618
1619         * gfortran.texi: New chapter about compiler characteristics.
1620         (Compiler Characteristics): Document KIND type parameters here.
1621
1622 2009-02-18  Tobias Burnus  <burnus@net-b.de>
1623
1624         * intrinsic.texi (MALLOC): Make example more portable.
1625
1626 2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>
1627
1628         PR fortran/38259
1629         * module.c (gfc_dump_module,gfc_use_module): Add module
1630         version number.
1631
1632 2009-02-13  Paul Thomas  <pault@gcc.gnu.org>
1633
1634         PR fortran/36703
1635         PR fortran/36528
1636         * trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
1637         function references to ensure that a valid expression is used.
1638         (gfc_conv_function_call): Pass Cray pointers to procedures.
1639
1640 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1641
1642         * gfortranspec.c (lang_specific_driver): Update copyright notice
1643         dates.
1644
1645 2009-01-28  Paul Thomas  <pault@gcc.gnu.org>
1646
1647         PR fortran/38852
1648         PR fortran/39006
1649         * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
1650         descriptor ubound for UBOUND, when the array lbound == 1.
1651
1652 2009-01-27  Daniel Kraft  <d@domob.eu>
1653
1654         PR fortran/38883
1655         * trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
1656         for the real type needed to make it work for subcomponent-references.
1657
1658 2009-01-21  Daniel Kraft  <d@domob.eu>
1659
1660         * trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.
1661
1662 2009-01-20  Paul Thomas  <pault@gcc.gnu.org>
1663
1664         PR fortran/38907
1665         * resolve.c (check_host_association): Remove the matching to
1666         correct an incorrect host association and use manipulation of
1667         the expression instead.
1668
1669 2009-01-20  Tobias Burnus  <burnus@net-b.de>
1670
1671         * invoke.texi (RANGE): RANGE also takes INTEGER arguments.
1672
1673 2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>
1674
1675         PR fortran/38859
1676         * simplify.c (simplify_bound): Don't use array specification
1677         if variable or component has subsequent references.
1678
1679 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1680
1681         PR fortran/38657
1682         * module.c (write_common_0): Add argument 'this_module' and
1683         check that non-use associated common blocks are written first.
1684         (write_common): Call write_common_0 twice, once with true and
1685         then with false.
1686
1687 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1688
1689         PR fortran/34955
1690         * trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
1691         been absorbed into gfc_conv_intrinsic_transfer. All
1692         references to it in trans-intrinsic.c have been changed
1693         accordingly.  PR fixed by using a temporary for scalar
1694         character transfer, when the source is shorter than the
1695         destination.
1696
1697 2009-01-17  Paul Thomas  <pault@gcc.gnu.org>
1698
1699         PR fortran/38657
1700         * module.c (write_common_0): Revert patch of 2009-01-05.
1701
1702 2009-01-16  Janus Weil  <janus@gcc.gnu.org>
1703
1704         PR fortran/38152
1705         * expr.c (gfc_check_pointer_assign): Allow use-associated procedure
1706         pointers as lvalue.
1707         * trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
1708         Enable procedure pointers as module variables.
1709
1710 2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>
1711
1712         * ChangeLog-2007: Clean out svn merge droppings.
1713
1714 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
1715
1716         PR fortran/38763
1717         * target-memory.c (encode_derived): Encode NULL.
1718
1719 2009-01-10  Paul Thomas  <pault@gcc.gnu.org>
1720
1721         PR fortran/38765
1722         * resolve.c (check_host_association): Use the symtree name to
1723         search for a potential contained procedure, since this is the
1724         name by which it would be referenced.
1725
1726 2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
1727
1728         PR fortran/38220
1729         * interface.c (gfc_procedure_use):  Don't warn about functions
1730         from ISO_C_BINDING.
1731         * symbol.c (generate_isocbinding_symbol):  Mark c_loc and
1732         c_funloc as pure.
1733
1734 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
1735
1736         PR fortran/38657
1737         * module.c (write_common_0): Use the name of the symtree rather
1738         than the common block, to determine if the common has been
1739         written.
1740
1741 2009-01-05  Daniel Franke  <franke.daniel@gmail.com>
1742
1743         PR fortran/37159
1744         * check.c (gfc_check_random_seed): Added size check for GET
1745         dummy argument, reworded error messages to follow common pattern.
1746
1747 2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>
1748
1749         PR fortran/38672
1750         * trans-types.c (gfc_get_derived_type):  Check for the
1751         presence of derived->ns->proc_name before
1752         accessing derived->ns->proc_name->attr.flavor .
1753         * resolve.c (resolve_symbol):  Likewise.
1754
1755 2009-01-05  Paul Thomas  <pault@gcc.gnu.org>
1756
1757         PR fortran/38665
1758         * gfortran.h : Add bit to gfc_expr 'user_operator'
1759         * interface.c (gfc_extend_expr): Set the above if the operator
1760         is substituted by a function.
1761         * resolve.c (check_host_association): Return if above is set.
1762
1763 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
1764
1765         PR fortran/35681
1766         * ChangeLog-2008: Fix function name.
1767
1768         PR fortran/38487
1769         * dependency.c (gfc_check_argument_var_dependency):
1770         Move the check for pointerness inside the if block
1771         so that it doesn't affect the return value.
1772
1773         PR fortran/38669
1774         * trans-stmt.c (gfc_trans_call):
1775         Add the dependency code after the loop bounds calculation one.
1776
1777 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
1778
1779         * intrinsic.c (do_simplify): Removed already implemented TODO.
1780
1781 2009-01-04  Daniel Franke  <franke.daniel@gmail.com>
1782
1783         PR fortran/38718
1784         * simplify.c (gfc_simplify_merge): New.
1785         * intrinsic.h (gfc_simplify_merge): New prototype.
1786         * intrinsic.c (add_functions): Added simplification for MERGE.
1787
1788 2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>
1789
1790         PR fortran/38536
1791         * gfortran.h (gfc_is_data_pointer): Added prototype
1792         * resolve.c (gfc_iso_c_func_interface):
1793         Use gfc_is_data_pointer to test for pointer attribute.
1794         * dependency.c (gfc_is_data_pointer):
1795         Support pointer-returning functions.
1796
1797 2009-01-03  Daniel Franke  <franke.daniel@gmail.com>
1798
1799         * symbol.c (save_symbol): Don't SAVE function results.
1800
1801 2009-01-03  Paul Thomas  <pault@gcc.gnu.org>
1802
1803         PR fortran/38594
1804         * resolve.c (resolve_call): When searching for proper host
1805         association, use symtree rather than symbol.  For everything
1806         except generic subroutines, substitute the symtree in the call
1807         rather than the symbol.
1808
1809 \f
1810 Copyright (C) 2009 Free Software Foundation, Inc.
1811
1812 Copying and distribution of this file, with or without modification,
1813 are permitted in any medium without royalty provided the copyright
1814 notice and this notice are preserved.