gcc/fortran/ChangeLog

   1 2019-02-20  Martin Liska  <mliska@suse.cz>
   2
   3         * gfortran.texi: Document Fortran header directive.
   4
   5 2019-02-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
   6
   7         PR fortran/89384
   8         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): If the dummy
   9         argument is contiguous and the actual argument may not be,
  10         use gfc_conv_subref_array_arg.
  11
  12 2019-02-19  Thomas Schwinge  <thomas@codesourcery.com>
  13
  14         PR c/87924
  15         * openmp.c (gfc_match_omp_clauses): Add representation of wait clause
  16         without argument as 'wait (GOMP_ASYNC_NOVAL)'.
  17
  18 2019-02-18  Thomas Koenig  <tkoenig@gcc.gnu.org>
  19
  20         PR fortran/87689
  21         * trans-decl.c (gfc_get_extern_function_decl): Add argument
  22         actual_args and pass it through to gfc_get_function_type.
  23         * trans-expr.c (conv_function_val): Add argument actual_args
  24         and pass it on to gfc_get_extern_function_decl.
  25         (conv_procedure_call): Pass actual arguments to conv_function_val.
  26         * trans-types.c (get_formal_from_actual_arglist): New function.
  27         (gfc_get_function_type): Add argument actual_args.  Generate
  28         formal args from actual args if necessary.
  29         * trans-types.h (gfc_get_function_type): Add optional argument.
  30         * trans.h (gfc_get_extern_function_decl): Add optional argument.
  31
  32 2019-02-18  Martin Liska  <mliska@suse.cz>
  33
  34         * decl.c (gfc_match_gcc_builtin): Add support for filtering
  35         of builtin directive based on multilib ABI name.
  36
  37 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
  38
  39         PR fortran/88299
  40         * resolve.c (resolve_common_blocks,resolve_common_vars): Move
  41         check for obsolent COMMON feature in F2018 to better place.
  42
  43 2019-02-17  Harald Anlauf  <anlauf@gmx.de>
  44
  45         PR fortran/89077
  46         * decl.c (gfc_set_constant_character_len): Clear original string
  47         representation after padding has been performed to target length.
  48
  49 2019-02-16  Jakub Jelinek  <jakub@redhat.com>
  50
  51         PR middle-end/88074
  52         * simplify.c (simplify_transformation_to_array): Run post_op
  53         immediately after processing corresponding row, rather than at the
  54         end.
  55         (norm2_scale): New variable.
  56         (add_squared): Rename to ...
  57         (norm2_add_squared): ... this.  Scale down operand and/or result
  58         if needed.
  59         (do_sqrt): Rename to ...
  60         (norm2_do_sqrt): ... this.  Handle the result == e case.  Scale up
  61         result and clear norm2_scale.
  62         (gfc_simplify_norm2): Clear norm2_scale.  Change add_squared to
  63         norm2_add_squared and &do_sqrt to norm2_do_sqrt.  Scale up result
  64         and clear norm2_scale again.
  65
  66 2019-02-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
  67
  68         PR fortran/71066
  69         * trans-decl.c (generate_coarray_sym_init):  For an array
  70         constructor in a DATA statement of a coarray variable, set the
  71         rank to 1 to avoid confusion later on.  If the constructor
  72         contains only one value, use that for initiailizig.
  73
  74 2019-02-14  Janne Blomqvist  <jb@gcc.gnu.org>
  75
  76         PR fortran/81552
  77         * gfortran.h (gfc_option_t): Make flag_init_integer_value a long.
  78         * options.c (gfc_handle_option): Use strtol instead of atoi.
  79         * invoke.texi: Document -finit-integer behavior in more detail.
  80
  81 2019-02-14  Harald Anlauf  <anlauf@gmx.de>
  82
  83         PR fortran/88248
  84         * symbol.c: Move check for labeled DO statement from
  85         gfc_define_st_label to gfc_reference_st_label.
  86
  87 2019-02-14  Cesar Philippidis  <cesar@codesourcery.com>
  88
  89         PR fortran/72715
  90         * openmp.c (resolve_oacc_nested_loops): Error on do concurrent
  91         loops.
  92
  93 2019-02-13  Martin Liska  <mliska@suse.cz>
  94
  95         PR fortran/88649
  96         * resolve.c (resolve_operator): Initialize 't' right
  97         after function entry.  Skip switch (e->value.op.op)
  98         for -fdec operands that become function calls.
  99
 100 2019-02-10  Thomas Koenig  <tkoenig@gcc.gnu.org>
 101
 102         PR fortran/71723
 103         * expr.c (gfc_check_assign): Add argument is_init_expr.  If we are
 104         looking at an init expression, issue error if the target is not a
 105         TARGET and we are not looking at a procedure pointer.
 106         * gfortran.h (gfc_check_assign): Add optional argument
 107         is_init_expr.
 108
 109 2019-02-09  Harald Anlauf  <anlauf@gmx.de>
 110
 111         PR fortran/89077
 112         * resolve.c (gfc_resolve_substring_charlen): Check substring
 113         length for constantness prior to general calculation of length.
 114
 115 2019-02-09  Paul Thomas  <pault@gcc.gnu.org>
 116
 117         PR fortran/89200
 118         * trans-array.c (gfc_trans_create_temp_array): Set the 'span'
 119         field for derived types.
 120
 121 2019-02-04  Harald Anlauf  <anlauf@gmx.de>
 122
 123         PR fortran/89077
 124         * decl.c (add_init_expr_to_sym): Copy length of string initializer
 125         to declared symbol.
 126
 127 2019-02-04  Martin Liska  <mliska@suse.cz>
 128
 129         PR fortran/89185
 130         * resolve.c (resolve_ref): Remove breakout variable as
 131         we need to prevent prev = &(*prev)->next to happen
 132         with *prev == NULL.
 133
 134 2019-02-04  Martin Liska  <mliska@suse.cz>
 135
 136         PR fortran/88912
 137         * scanner.c (load_file): Report error for -fpre-include
 138         file and do not ICE.
 139
 140 2019-02-02  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 141
 142         PR fortran/81344
 143         * invoke.texi: Document the behavior of repeated -ffpe-trap
 144         and -ffpe-summary.
 145
 146 2019-02-02  Thomas Koenig  <tkoenig@gcc.gnu.org>
 147
 148         PR fortran/88298
 149         * arith.c (gfc_int2int): Do not warn if src->do_not_warn is set.
 150         * gfortran.h (gfc_expr): Add flag do_not_warn.
 151         * intrinsic.c (gfc_convert_type_warn): Set expr->do_not_warn if
 152         no warning is desired.
 153
 154 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 155
 156         PR fortran/88393
 157         * trans-expr.c (gfc_conv_procedure_call): For derived entities,
 158         passed in parentheses to class formals, invert the order of
 159         copying allocatable components to taking the _data of the
 160         class expression.
 161
 162 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 163
 164         PR fortran/88980
 165         * trans-array.c (gfc_array_init_size): Add element_size to the
 166         arguments.
 167         (gfc_array_allocate): Remove the recalculation of the size of
 168         the element and use element_size from the call to the above.
 169         Unconditionally set the span field of the descriptor.
 170
 171 2019-02-02  Paul Thomas  <pault@gcc.gnu.org>
 172
 173         PR fortran/88685
 174         * expr.c (is_subref_array): Move the check for class pointer
 175         dummy arrays to after the reference check. If we haven't seen
 176         an array reference other than an element and a component is not
 177         class or derived, return false.
 178
 179 2019-02-01  Jakub Jelinek  <jakub@redhat.com>
 180
 181         PR fortran/83246
 182         PR fortran/89084
 183         * trans-decl.c (generate_local_decl): Add referenced FL_PARAMETERs
 184         if sym->ns->construct_entities rather than if
 185         sym->ns->parent->code->op == EXEC_BLOCK.
 186
 187 2019-01-31  Thomas Koenig  <tkoenig@gcc.gnu.org>
 188
 189         PR fortran/88669
 190         * resolve.c (resolve_component): If the reference is a BT_CLASS,
 191         copy the contiguous attribute from the reference and use the
 192         correct attributes.
 193
 194 2019-01-30  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 195
 196         PR fortran/52564
 197         * io.c (match_io): Add check for comma after '*' without subsequent
 198         IO list.
 199
 200 2019-01-30  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 201
 202         PR fortran/52884
 203         * invoke.texi: Document the promotion of double precision
 204         constants.
 205
 206 2019-01-29  Thomas Koenig  <tkoenig@gcc.gnu.org>
 207
 208         PR fortran/57048
 209         * interface.c (gfc_compare_types): If a derived type and an
 210         integer both have a derived type, and they are identical,
 211         this is a C binding type and compares equal.
 212
 213 2019-01-26  Harald Anlauf  <anlauf@gmx.de>
 214
 215         PR fortran/57553
 216         * expr.c (check_inquiry): Add list of inquiry functions allowed in
 217         constant expressions for F2008+.
 218
 219 2019-01-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 220
 221         PR fortran/85780
 222         * decl.c (gfc_match_subroutine): Check for conflict between BIND(C)
 223         and alternative return.
 224
 225 2019-01-24  Paul Thomas  <pault@gcc.gnu.org>
 226
 227         PR fortran/88929
 228         * trans-array.c (gfc_conv_descriptor_elem_len): New function.
 229         * trans-array.h : Add prototype for above.
 230         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
 231         assumed rank arrays being flagged by rank = -1 in expressions.
 232         Intent in arrays need a pointer to a copy of the data to be
 233         assigned to the descriptor passed for conversion. This should
 234         then be freed, together with the CFI descriptor on return from
 235         the C call.
 236
 237 2019-01-22  Harald Anlauf  <anlauf@gmx.de>
 238
 239         PR fortran/88579
 240         * trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
 241         and (- 2**e) ** integer.
 242
 243 2019-01-19  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 244
 245         PR fortran/37835
 246         * resolve.c (resolve_types): Add !flag_automatic.
 247         * symbol.c (gfc_add_save): Silence warnings.
 248
 249 2019-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>
 250
 251         PR fortran/77960
 252         * io.c (match_io_element): input-item cannot be an external function.
 253
 254 2018-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
 255         Paul Thomas  <pault@gcc.gnu.org>
 256
 257         PR fortran/56789
 258         * trans-expr.c (gfc_conv_procedure_call): Call
 259         gfc_conv_subref_array_arg if the formal arg is contiguous
 260         and the actual arg may not be.
 261
 262 2019-01-17  Thomas Koenig  <tkoenig@gcc.gnu.org>
 263
 264         PR fortran/88871
 265         * resolve.c (resolve_ref): Fix logic for removal of
 266         reference.
 267
 268 2019-01-19  Jakub Jelinek  <jakub@redhat.com>
 269
 270         PR fortran/88902
 271         * trans-decl.c (gfc_get_symbol_decl): Don't add length to function
 272         or parent function if it has been added there already.
 273
 274 2019-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
 275
 276         PR fortran/43136
 277         * resolve.c (resolve_array_ref): Add equal_length argument; set it
 278         if the length of the substring equals that of the orignal
 279         variable.
 280         (resolve_ref): Remove the substring if it is equal in length to
 281         the original variable, unless it is an EXPR_SUBSTRING).
 282
 283 2019-01-15  Steven G. Kargl  <kargl@gcc.gnu.org>
 284
 285         PR fortran/81849
 286         * resolve.c (resolve_symbol): Host associated varaibles can appear
 287         in the specification statement of a RESULT array.
 288
 289 2019-01-15  Paul Thomas  <pault@gcc.gnu.org>
 290
 291         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
 292         that are indirect references; ie. dummy arguments.
 293
 294 2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>
 295
 296         PR fortran/88803
 297         * gfortran.texi: Replace @xref with @ref and adjust the sentence.
 298
 299 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 300
 301         PR fortran/57992
 302         * trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
 303         functions with contiguous results.
 304
 305 2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
 306
 307         PR fortran/59345
 308         * trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
 309         pack/unpack results of functions which return an explicit-shaped
 310         or allocatable array.
 311
 312 2019-01-12  Steven G. Kargl  <kargl@gcc.gnu.org>
 313
 314         PR fortran/61765
 315         * resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
 316         structure into independent if's with a return to simplify logic.
 317         Avoid a check for ENTRY name with bind(c).
 318
 319 2019-01-12  Paul Thomas  <pault@gcc.gnu.org>
 320
 321         * gfortran.texi: Add description in sections on TS 29113 and
 322         further interoperability with C.
 323         * trans-array.c (gfc_conv_descriptor_attribute): New function.
 324         (gfc_get_dataptr_offset): Remove static function attribute.
 325         * trans-array.h: Add prototypes for above functions.
 326         * trans-decl.c: Add declarations for the library functions
 327         cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
 328         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
 329         (gfc_conv_procedure_call): Call it for scalar and array actual
 330         arguments, when the formal arguments are bind_c with assumed
 331         shape or assumed rank.
 332         * trans.h: External declarations for gfor_fndecl_cfi_to_gfc
 333         and gfor_fndecl_gfc_to_cfi.
 334
 335 2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>
 336
 337         PR fortran/35031
 338         * decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
 339         mis-indentation.
 340
 341 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
 342
 343         PR middle-end/85956
 344         PR lto/88733
 345         * trans-openmp.c: Include attribs.h.
 346         (gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
 347         VAR_DECL max bound with "omp dummy var" attribute like NULL or
 348         error_mark_node - recompute number of elts independently.
 349
 350 2019-01-11  Thomas Koenig  <tkoenig@gcc.gnu.org>
 351
 352         PR fortran/59345
 353         * trans-array.c (gfc_conv_parameter_array): Temporary
 354         arrays generated for expressions do not need to be repacked.
 355
 356 2019-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>
 357
 358         PR fortran/86322
 359         * decl.c (top_var_list): Set locus of expr.
 360         (gfc_match_data): Detect pointer on non-rightmost part-refs.
 361
 362 2019-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>
 363
 364         PR fortran/88376
 365         * resolve.c (is_illegal_recursion): Remove an assert().
 366
 367 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 368
 369         PR other/16615
 370         * expr.c: Change "can not" to "cannot".
 371
 372 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 373
 374         PR other/16615
 375         * class.c: Mechanically replace "can not" with "cannot".
 376         * decl.c: Likewise.
 377         * expr.c: Likewise.
 378         * gfc-internals.texi: Likewise.
 379         * intrinsic.texi: Likewise.
 380         * invoke.texi: Likewise.
 381         * io.c: Likewise.
 382         * match.c: Likewise.
 383         * parse.c: Likewise.
 384         * primary.c: Likewise.
 385         * resolve.c: Likewise.
 386         * symbol.c: Likewise.
 387         * trans-array.c: Likewise.
 388         * trans-decl.c: Likewise.
 389         * trans-intrinsic.c: Likewise.
 390         * trans-stmt.c: Likewise.
 391
 392 2019-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>
 393
 394         PR fortran/68426
 395         * simplify.c (gfc_simplify_spread): Also simplify if the
 396         type of source is an EXPR_STRUCTURE.
 397
 398 2019-01-08  Janus Weil  <janus@gcc.gnu.org>
 399
 400         PR fortran/88047
 401         * class.c (gfc_find_vtab): For polymorphic typespecs, the components of
 402         the class container may not be available (in case of invalid code).
 403
 404 2019-01-08  Richard Biener  <rguenther@suse.de>
 405
 406         PR fortran/88611
 407         * trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
 408         directly build the expected GENERIC tree.
 409
 410 2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
 411         Harald Anlauf <anlauf@gmx.de>
 412         Tobias Burnus <burnus@gcc.gnu.org>
 413
 414         PR fortran/45424
 415         * check.c (gfc_check_is_contiguous): New function.
 416         * expr.c (gfc_is_not_contiguous): New function.
 417         * gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
 418         Add prototype for gfc_is_not_contiguous.
 419         * intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
 420         (add_function): Add is_contiguous.
 421         * intrinsic.h: Add prototypes for gfc_check_is_contiguous,
 422         gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
 423         * intrinsic.texi: Add IS_CONTIGUOUS.
 424         * iresolve.c (gfc_resolve_is_contiguous): New function.
 425         * simplify.c (gfc_simplify_is_contiguous): New function.
 426         * trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
 427         (gfc_build_intrinsic_function_decl): Add it.
 428         * trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
 429         function.
 430         (gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.
 431
 432 2019-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 433
 434         PR fortran/88658
 435         * gfortran.h: Add macro gfc_real_4_kind
 436         * simplify.c (simplify_min_max): Special case for the types of
 437         AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
 438         their arguments.
 439
 440 2019-01-05  Janus Weil  <janus@gcc.gnu.org>
 441
 442         PR fortran/88009
 443         * class.c (gfc_find_derived_vtab): Mark the _final component as
 444         artificial.
 445         (find_intrinsic_vtab): Ditto. Also add an extra check to avoid
 446         dereferencing a null pointer and adjust indentation.
 447         * resolve.c (resolve_fl_variable): Add extra check to avoid
 448         dereferencing a null pointer. Move variable declarations to local scope.
 449         (resolve_fl_procedure): Add extra check to avoid dereferencing a null
 450         pointer.
 451         * symbol.c (check_conflict): Suppress errors for artificial symbols.
 452
 453 2019-01-01  Steven G. Kargl  <kargl@gcc.gnu.org>
 454
 455         * parse.c (decode_statement): Suppress "Unclassifiable statement"
 456         error if previous error messages were emittes.
 457
 458 2019-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>
 459
 460         PR fortran/82743
 461         * primary.c (gfc_convert_to_structure_constructor): If a character
 462         in a constructor is too long, add a  warning with
 463         -Wcharacter-truncation.
 464
 465 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 466
 467         Update copyright years.
 468
 469         * gfortranspec.c (lang_specific_driver): Update copyright notice
 470         dates.
 471         * gfc-internals.texi: Bump @copying's copyright year.
 472         * gfortran.texi: Ditto.
 473         * intrinsic.texi: Ditto.
 474         * invoke.texi: Ditto.
 475 \f
 476 Copyright (C) 2019 Free Software Foundation, Inc.
 477
 478 Copying and distribution of this file, with or without modification,
 479 are permitted in any medium without royalty provided the copyright
 480 notice and this notice are preserved.