gcc/fortran/ChangeLog

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