gcc/fortran/ChangeLog

   1 2021-09-17  Harald Anlauf  <anlauf@gmx.de>
   2
   3         PR fortran/102366
   4         * trans-decl.c (gfc_finish_var_decl): Disable the warning message
   5         for variables moved from stack to static storange if they are
   6         declared in the main, but allow the move to happen.
   7
   8 2021-09-17  Sandra Loosemore  <sandra@codesourcery.com>
   9
  10         * intrinsic.texi (ISO_C_BINDING): Change C_FLOAT128 to correspond
  11         to _Float128 rather than __float128.
  12         * iso-c-binding.def (c_float128): Update comments.
  13         * trans-intrinsic.c (gfc_builtin_decl_for_float_kind): Likewise.
  14         (build_round_expr): Likewise.
  15         (gfc_build_intrinsic_lib_fndcecls): Likewise.
  16         * trans-types.h (gfc_real16_is_float128): Likewise.
  17
  18 2021-09-16  Harald Anlauf  <anlauf@gmx.de>
  19
  20         PR fortran/102287
  21         * trans-expr.c (gfc_conv_procedure_call): Wrap deallocation of
  22         allocatable components of optional allocatable derived type
  23         procedure arguments with INTENT(OUT) into a presence check.
  24
  25 2021-09-14  Harald Anlauf  <anlauf@gmx.de>
  26
  27         PR fortran/102311
  28         * resolve.c (resolve_entries): Attempt to recover cleanly after
  29         rejecting mismatched function entries.
  30
  31 2021-09-14  Tobias Burnus  <tobias@codesourcery.com>
  32
  33         PR fortran/102313
  34         * parse.c (gfc_ascii_statement): Add missing ST_OMP_END_SCOPE.
  35
  36 2021-09-13  Harald Anlauf  <anlauf@gmx.de>
  37
  38         PR fortran/82314
  39         * decl.c (add_init_expr_to_sym): For proper initialization of
  40         array-valued named constants the array bounds need to be
  41         simplified before adding the initializer.
  42
  43 2021-09-13  Harald Anlauf  <anlauf@gmx.de>
  44
  45         PR fortran/85130
  46         * expr.c (find_substring_ref): Handle given substring start and
  47         end indices as signed integers, not unsigned.
  48
  49 2021-09-09  Harald Anlauf  <anlauf@gmx.de>
  50
  51         PR fortran/98490
  52         * trans-expr.c (gfc_conv_substring): Do not generate substring
  53         bounds check for implied do loop index variable before it actually
  54         becomes defined.
  55
  56 2021-09-08  liuhongt  <hongtao.liu@intel.com>
  57
  58         * options.c (gfc_post_options): Issue an error for
  59         -fexcess-precision=16.
  60
  61 2021-09-07  Harald Anlauf  <anlauf@gmx.de>
  62
  63         PR fortran/101327
  64         * expr.c (find_array_element): When bounds cannot be determined as
  65         constant, return error instead of aborting.
  66
  67 2021-09-07  Marcel Vollweiler  <marcel@codesourcery.com>
  68
  69         * openmp.c (gfc_match_omp_flush): Parse 'seq_cst' clause on 'flush'
  70         directive.
  71         * trans-openmp.c (gfc_trans_omp_flush): Handle OMP_MEMORDER_SEQ_CST.
  72
  73 2021-09-03  Tobias Burnus  <tobias@codesourcery.com>
  74
  75         * decl.c (gfc_verify_c_interop_param): Reject pointer with
  76         CONTIGUOUS attributes as dummy arg. Reject character len > 1
  77         when passed as byte stream.
  78
  79 2021-09-01  Harald Anlauf  <anlauf@gmx.de>
  80
  81         PR fortran/56985
  82         * resolve.c (resolve_common_vars): Fix grammar and improve wording
  83         of error message rejecting an unlimited polymorphic in COMMON.
  84
  85 2021-08-31  Harald Anlauf  <anlauf@gmx.de>
  86
  87         PR fortran/100950
  88         * simplify.c (substring_has_constant_len): Minimize checks for
  89         substring expressions being allowed.
  90
  91 2021-08-31  Marcel Vollweiler  <marcel@codesourcery.com>
  92
  93         * gfortran.h: Add variable for 'ancestor' in struct gfc_omp_clauses.
  94         * openmp.c (gfc_match_omp_clauses): Parse device-modifiers 'device_num'
  95         and 'ancestor' in 'target device' clauses.
  96         * trans-openmp.c (gfc_trans_omp_clauses): Set OMP_CLAUSE_DEVICE_ANCESTOR.
  97
  98 2021-08-30  Harald Anlauf  <anlauf@gmx.de>
  99
 100         PR fortran/102113
 101         * match.c (gfc_match_goto): Allow for whitespace in parsing list
 102         of labels.
 103
 104 2021-08-30  Harald Anlauf  <anlauf@gmx.de>
 105
 106         PR fortran/101349
 107         * resolve.c (resolve_allocate_expr): An unlimited polymorphic
 108         argument to ALLOCATE must be ALLOCATABLE or a POINTER.  Fix the
 109         corresponding check.
 110
 111 2021-08-28  Harald Anlauf  <anlauf@gmx.de>
 112
 113         PR fortran/87737
 114         * resolve.c (resolve_entries): For functions of type CHARACTER
 115         tighten the checks for matching characteristics.
 116
 117 2021-08-25  Lewis Hyatt  <lhyatt@gmail.com>
 118
 119         PR other/93067
 120         * cpp.c (gfc_cpp_post_options): Call new function
 121         diagnostic_initialize_input_context().
 122
 123 2021-08-24  Harald Anlauf  <anlauf@gmx.de>
 124
 125         PR fortran/98411
 126         * trans-decl.c (gfc_finish_var_decl): Adjust check to handle
 127         implicit SAVE as well as variables in the main program.  Improve
 128         warning message text.
 129
 130 2021-08-23  Tobias Burnus  <tobias@codesourcery.com>
 131
 132         * openmp.c (gfc_match_dupl_check, gfc_match_dupl_memorder,
 133         gfc_match_dupl_atomic): New.
 134         (gfc_match_omp_clauses): Use them; remove duplicate
 135         'release'/'relaxed' clause matching; improve error dignostic
 136         for 'default'.
 137
 138 2021-08-23  Tobias Burnus  <tobias@codesourcery.com>
 139
 140         * dump-parse-tree.c (show_omp_clauses): Handle 'strict' modifier
 141         on grainsize/num_tasks
 142         * gfortran.h (gfc_omp_clauses): Add grainsize_strict
 143         and num_tasks_strict.
 144         * trans-openmp.c (gfc_trans_omp_clauses, gfc_split_omp_clauses):
 145         Handle 'strict' modifier on grainsize/num_tasks.
 146         * openmp.c (gfc_match_omp_clauses): Likewise.
 147
 148 2021-08-20  Tobias Burnus  <tobias@codesourcery.com>
 149
 150         * error.c
 151         (error_uinteger): Take 'long long unsigned' instead
 152         of 'long unsigned' as argumpent.
 153         (error_integer): Take 'long long' instead of 'long'.
 154         (error_hwuint, error_hwint): New.
 155         (error_print): Update to handle 'll' and 'w'
 156         length modifiers.
 157         * simplify.c (substring_has_constant_len): Use '%wd'
 158         in gfc_error.
 159
 160 2021-08-20  Harald Anlauf  <anlauf@gmx.de>
 161
 162         PR fortran/100950
 163         * simplify.c (substring_has_constant_len): Fix format string of
 164         gfc_error, pass HOST_WIDE_INT bounds values via char buffer.
 165
 166 2021-08-20  Tobias Burnus  <tobias@codesourcery.com>
 167
 168         * dump-parse-tree.c (show_omp_clauses): Handle 'at', 'severity'
 169         and 'message' clauses.
 170         (show_omp_node, show_code_node): Handle EXEC_OMP_ERROR.
 171         * gfortran.h (gfc_statement): Add ST_OMP_ERROR.
 172         (gfc_omp_severity_type, gfc_omp_at_type): New.
 173         (gfc_omp_clauses): Add 'at', 'severity' and 'message' clause;
 174         use more bitfields + ENUM_BITFIELD.
 175         (gfc_exec_op): Add EXEC_OMP_ERROR.
 176         * match.h (gfc_match_omp_error): New.
 177         * openmp.c (enum omp_mask1): Add OMP_CLAUSE_(AT,SEVERITY,MESSAGE).
 178         (gfc_match_omp_clauses): Handle new clauses.
 179         (OMP_ERROR_CLAUSES, gfc_match_omp_error): New.
 180         (resolve_omp_clauses): Resolve new clauses.
 181         (omp_code_to_statement, gfc_resolve_omp_directive): Handle
 182         EXEC_OMP_ERROR.
 183         * parse.c (decode_omp_directive, next_statement,
 184         gfc_ascii_statement): Handle 'omp error'.
 185         * resolve.c (gfc_resolve_blocks): Likewise.
 186         * st.c (gfc_free_statement): Likewise.
 187         * trans-openmp.c (gfc_trans_omp_error): Likewise.
 188         (gfc_trans_omp_directive): Likewise.
 189         * trans.c (trans_code): Likewise.
 190
 191 2021-08-20  Jakub Jelinek  <jakub@redhat.com>
 192
 193         * types.def (BT_FN_VOID_CONST_PTR_SIZE): New DEF_FUNCTION_TYPE_2.
 194         * f95-lang.c (ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST): Define.
 195
 196 2021-08-19  Harald Anlauf  <anlauf@gmx.de>
 197
 198         PR fortran/100950
 199         * simplify.c (substring_has_constant_len): New.
 200         (gfc_simplify_len): Handle case of substrings with constant
 201         bounds.
 202
 203 2021-08-18  Tobias Burnus  <tobias@codesourcery.com>
 204
 205         * match.h (gfc_match_omp_nothing): New.
 206         * openmp.c (gfc_match_omp_nothing): New.
 207         * parse.c (decode_omp_directive): Match 'nothing' directive.
 208
 209 2021-08-17  Tobias Burnus  <tobias@codesourcery.com>
 210
 211         * dump-parse-tree.c (show_omp_node, show_code_node): Handle
 212         EXEC_OMP_SCOPE.
 213         * gfortran.h (enum gfc_statement): Add ST_OMP_(END_)SCOPE.
 214         (enum gfc_exec_op): Add EXEC_OMP_SCOPE.
 215         * match.h (gfc_match_omp_scope): New.
 216         * openmp.c (OMP_SCOPE_CLAUSES): Define
 217         (gfc_match_omp_scope): New.
 218         (gfc_match_omp_cancellation_point, gfc_match_omp_end_nowait):
 219         Improve error diagnostic.
 220         (omp_code_to_statement): Handle ST_OMP_SCOPE.
 221         (gfc_resolve_omp_directive): Handle EXEC_OMP_SCOPE.
 222         * parse.c (decode_omp_directive, next_statement,
 223         gfc_ascii_statement, parse_omp_structured_block,
 224         parse_executable): Handle OpenMP's scope construct.
 225         * resolve.c (gfc_resolve_blocks): Likewise
 226         * st.c (gfc_free_statement): Likewise
 227         * trans-openmp.c (gfc_trans_omp_scope): New.
 228         (gfc_trans_omp_directive): Call it.
 229         * trans.c (trans_code): handle EXEC_OMP_SCOPE.
 230
 231 2021-08-16  Tobias Burnus  <tobias@codesourcery.com>
 232
 233         * dump-parse-tree.c (show_omp_clauses): Handle 'filter' clause.
 234         (show_omp_node, show_code_node): Handle (combined) omp masked construct.
 235         * frontend-passes.c (gfc_code_walker): Likewise.
 236         * gfortran.h (enum gfc_statement): Add ST_OMP_*_MASKED*.
 237         (enum gfc_exec_op): Add EXEC_OMP_*_MASKED*.
 238         * match.h (gfc_match_omp_masked, gfc_match_omp_masked_taskloop,
 239         gfc_match_omp_masked_taskloop_simd, gfc_match_omp_parallel_masked,
 240         gfc_match_omp_parallel_masked_taskloop,
 241         gfc_match_omp_parallel_masked_taskloop_simd): New prototypes.
 242         * openmp.c (enum omp_mask1): Add OMP_CLAUSE_FILTER.
 243         (gfc_match_omp_clauses): Match it.
 244         (OMP_MASKED_CLAUSES, gfc_match_omp_parallel_masked,
 245         gfc_match_omp_parallel_masked_taskloop,
 246         gfc_match_omp_parallel_masked_taskloop_simd,
 247         gfc_match_omp_masked, gfc_match_omp_masked_taskloop,
 248         gfc_match_omp_masked_taskloop_simd): New.
 249         (resolve_omp_clauses): Resolve filter clause.
 250         (gfc_resolve_omp_parallel_blocks, resolve_omp_do,
 251         omp_code_to_statement, gfc_resolve_omp_directive): Handle
 252         omp masked constructs.
 253         * parse.c (decode_omp_directive, case_exec_markers,
 254         gfc_ascii_statement, parse_omp_do, parse_omp_structured_block,
 255         parse_executable): Likewise.
 256         * resolve.c (gfc_resolve_blocks, gfc_resolve_code): Likewise.
 257         * st.c (gfc_free_statement): Likewise.
 258         * trans-openmp.c (gfc_trans_omp_clauses): Handle filter clause.
 259         (GFC_OMP_SPLIT_MASKED, GFC_OMP_MASK_MASKED): New enum values.
 260         (gfc_trans_omp_masked): New.
 261         (gfc_split_omp_clauses): Handle combined masked directives.
 262         (gfc_trans_omp_master_taskloop): Rename to ...
 263         (gfc_trans_omp_master_masked_taskloop): ... this; handle also
 264         combined masked directives.
 265         (gfc_trans_omp_parallel_master): Rename to ...
 266         (gfc_trans_omp_parallel_master_masked): ... this; handle
 267         combined masked directives.
 268         (gfc_trans_omp_directive): Handle EXEC_OMP_*_MASKED*.
 269         * trans.c (trans_code): Likewise.
 270
 271 2021-08-15  Harald Anlauf  <anlauf@gmx.de>
 272
 273         PR fortran/99351
 274         * match.c (sync_statement): Replace %v code by %e in gfc_match to
 275         allow for function references as STAT and ERRMSG arguments.
 276         * resolve.c (resolve_sync): Adjust checks of STAT= and ERRMSG= to
 277         being definable arguments.  Function references with a data
 278         pointer result are accepted.
 279         * trans-stmt.c (gfc_trans_sync): Adjust assertion.
 280
 281 2021-08-12  Tobias Burnus  <tobias@codesourcery.com>
 282
 283         * gfortran.h (gfc_omp_proc_bind_kind): Add OMP_PROC_BIND_PRIMARY.
 284         * dump-parse-tree.c (show_omp_clauses): Add TODO comment to
 285         change 'master' to 'primary' in proc_bind for OpenMP 5.1.
 286         * intrinsic.texi (OMP_LIB): Mention OpenMP 5.1; add
 287         omp_proc_bind_primary.
 288         * openmp.c (gfc_match_omp_clauses): Accept
 289         'primary' as alias for 'master'.
 290         * trans-openmp.c (gfc_trans_omp_clauses): Handle
 291         OMP_PROC_BIND_PRIMARY.
 292
 293 2021-08-11  Sandra Loosemore  <sandra@codesourcery.com>
 294
 295         * iso-c-binding.def (c_float128, c_float128_complex): Check
 296         float128_type_node instead of gfc_float128_type_node.
 297         * trans-types.c (gfc_init_kinds, gfc_build_real_type):
 298         Update comments re supported 128-bit floating-point types.
 299
 300 2021-08-11  Richard Biener  <rguenther@suse.de>
 301
 302         * trans-common.c (create_common): Set TREE_THIS_VOLATILE on the
 303         COMPONENT_REF if the field is volatile.
 304
 305 2021-08-07  Harald Anlauf  <anlauf@gmx.de>
 306
 307         PR fortran/68568
 308         * primary.c (gfc_expr_attr): Variable attribute can only be
 309         inquired when symtree is non-NULL.
 310
 311 2021-07-28  Harald Anlauf  <anlauf@gmx.de>
 312
 313         PR fortran/101564
 314         * expr.c (gfc_check_vardef_context): Add check for KIND and LEN
 315         parameter inquiries.
 316         * match.c (gfc_match): Fix comment for %v code.
 317         (gfc_match_allocate, gfc_match_deallocate): Replace use of %v code
 318         by %e in gfc_match to allow for function references as STAT and
 319         ERRMSG arguments.
 320         * resolve.c (resolve_allocate_deallocate): Avoid NULL pointer
 321         dereferences and shortcut for bad STAT and ERRMSG argument to
 322         (DE)ALLOCATE.  Remove bogus parts of checks for STAT and ERRMSG.
 323
 324 2021-07-26  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 325             Tobias Burnus  <tobias@codesourcery.com>
 326
 327         PR fortran/93308
 328         PR fortran/93963
 329         PR fortran/94327
 330         PR fortran/94331
 331         PR fortran/97046
 332         * trans-decl.c (convert_CFI_desc): Only copy out the descriptor
 333         if necessary.
 334         * trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Updated attribute
 335         handling which reflect a previous intermediate version of the
 336         standard. Only copy out the descriptor if necessary.
 337
 338 2021-07-23  Harald Anlauf  <anlauf@gmx.de>
 339
 340         PR fortran/101536
 341         * check.c (array_check): Adjust check for the case of CLASS
 342         arrays.
 343
 344 2021-07-21  Thomas Schwinge  <thomas@codesourcery.com>
 345             Joseph Myers  <joseph@codesourcery.com>
 346             Cesar Philippidis  <cesar@codesourcery.com>
 347
 348         * dump-parse-tree.c (show_attr): Update.
 349         * gfortran.h (symbol_attribute): Add 'oacc_routine_nohost' member.
 350         (gfc_omp_clauses): Add 'nohost' member.
 351         * module.c (ab_attribute): Add 'AB_OACC_ROUTINE_NOHOST'.
 352         (attr_bits, mio_symbol_attribute): Update.
 353         * openmp.c (omp_mask2): Add 'OMP_CLAUSE_NOHOST'.
 354         (gfc_match_omp_clauses): Handle 'OMP_CLAUSE_NOHOST'.
 355         (OACC_ROUTINE_CLAUSES): Add 'OMP_CLAUSE_NOHOST'.
 356         (gfc_match_oacc_routine): Update.
 357         * trans-decl.c (add_attributes_to_decl): Update.
 358         * trans-openmp.c (gfc_trans_omp_clauses): Likewise.
 359
 360 2021-07-21  Harald Anlauf  <anlauf@gmx.de>
 361
 362         PR fortran/101514
 363         * target-memory.c (gfc_interpret_derived): Size of array component
 364         of derived type can only be computed here for explicit shape.
 365         * trans-types.c (gfc_get_nodesc_array_type): Do not dereference
 366         NULL pointers.
 367
 368 2021-07-21  Tobias Burnus  <tobias@codesourcery.com>
 369
 370         * decl.c (gfc_verify_c_interop_param): Update for F2008 + F2018
 371         changes; reject unsupported bits with 'Error: Sorry,'.
 372         * trans-expr.c (gfc_conv_procedure_call): Fix condition to
 373         For using CFI descriptor with characters.
 374
 375 2021-07-18  Harald Anlauf  <anlauf@gmx.de>
 376
 377         PR fortran/101084
 378         * io.c (resolve_tag_format): Extend FORMAT check to unknown type.
 379
 380 2021-07-14  Harald Anlauf  <anlauf@gmx.de>
 381
 382         PR fortran/100949
 383         * trans-expr.c (gfc_trans_class_init_assign): Call
 384         gfc_conv_expr_present only for dummy variables.
 385
 386 2021-07-06  Thomas Koenig  <tkoenig@gcc.gnu.org>
 387
 388         PR fortran/100227
 389         * frontend-passes.c (traverse_io_block): Adjust test for
 390         when a variable is eligible for the transformation to
 391         array slice.
 392
 393 2021-06-28  Martin Sebor  <msebor@redhat.com>
 394
 395         * trans-array.c (trans_array_constructor): Replace direct uses
 396         of TREE_NO_WARNING with warning_suppressed_p, and suppress_warning.
 397         * trans-decl.c (gfc_build_qualified_array): Same.
 398         (gfc_build_dummy_array_decl): Same.
 399         (generate_local_decl): Same.
 400         (gfc_generate_function_code): Same.
 401         * trans-openmp.c (gfc_omp_clause_default_ctor): Same.
 402         (gfc_omp_clause_copy_ctor): Same.
 403         * trans-types.c (get_dtype_type_node): Same.
 404         (gfc_get_desc_dim_type): Same.
 405         (gfc_get_array_descriptor_base): Same.
 406         (gfc_get_caf_vector_type): Same.
 407         (gfc_get_caf_reference_type): Same.
 408         * trans.c (gfc_create_var_np): Same.
 409
 410 2021-06-23  Tobias Burnus  <tobias@codesourcery.com>
 411
 412         * dump-parse-tree.c (show_omp_clauses): Fix enum type used
 413         for dumping gfc_omp_defaultmap_category.
 414
 415 2021-06-23  Andre Vehreschild  <vehre@gcc.gnu.org>
 416
 417         PR fortran/100337
 418         * trans-intrinsic.c (conv_co_collective): Check stat for null ptr
 419         before dereferrencing.
 420
 421 2021-06-18  Harald Anlauf  <anlauf@gmx.de>
 422
 423         PR fortran/100283
 424         PR fortran/101123
 425         * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Unconditionally
 426         convert result of min/max to result type.
 427
 428 2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 429
 430         PR fortran/95501
 431         PR fortran/95502
 432         * expr.c (gfc_check_pointer_assign): Avoid NULL pointer
 433         dereference.
 434         * match.c (gfc_match_pointer_assignment): Likewise.
 435         * parse.c (gfc_check_do_variable): Avoid comparison with NULL
 436         symtree.
 437
 438 2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 439
 440         Revert:
 441         2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 442
 443         PR fortran/95501
 444         PR fortran/95502
 445         * expr.c (gfc_check_pointer_assign): Avoid NULL pointer
 446         dereference.
 447         * match.c (gfc_match_pointer_assignment): Likewise.
 448         * parse.c (gfc_check_do_variable): Avoid comparison with NULL
 449         symtree.
 450
 451 2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 452
 453         PR fortran/95501
 454         PR fortran/95502
 455         * expr.c (gfc_check_pointer_assign): Avoid NULL pointer
 456         dereference.
 457         * match.c (gfc_match_pointer_assignment): Likewise.
 458         * parse.c (gfc_check_do_variable): Avoid comparison with NULL
 459         symtree.
 460
 461 2021-06-15  Tobias Burnus  <tobias@codesourcery.com>
 462
 463         PR fortran/92568
 464         * dump-parse-tree.c (show_omp_clauses): Update for defaultmap.
 465         * f95-lang.c (LANG_HOOKS_OMP_ALLOCATABLE_P,
 466         LANG_HOOKS_OMP_SCALAR_TARGET_P): New.
 467         * gfortran.h (enum gfc_omp_defaultmap,
 468         enum gfc_omp_defaultmap_category): New.
 469         * openmp.c (gfc_match_omp_clauses): Update defaultmap matching.
 470         * trans-decl.c (gfc_finish_decl_attrs): Set GFC_DECL_SCALAR_TARGET.
 471         * trans-openmp.c (gfc_omp_allocatable_p, gfc_omp_scalar_target_p): New.
 472         (gfc_omp_scalar_p): Take 'ptr_alloc_ok' argument.
 473         (gfc_trans_omp_clauses, gfc_split_omp_clauses): Update for
 474         defaultmap changes.
 475         * trans.h (gfc_omp_scalar_p): Update prototype.
 476         (gfc_omp_allocatable_p, gfc_omp_scalar_target_p): New.
 477         (struct lang_decl): Add scalar_target.
 478         (GFC_DECL_SCALAR_TARGET, GFC_DECL_GET_SCALAR_TARGET): New.
 479
 480 2021-06-14  Tobias Burnus  <tobias@codesourcery.com>
 481
 482         * resolve.c (resolve_variable): Remove *XCNEW used to
 483         nullify nullified memory.
 484
 485 2021-06-09  Martin Liska  <mliska@suse.cz>
 486
 487         * intrinsic.texi: Add missing @headitem to tables with a header.
 488
 489 2021-06-09  Jakub Jelinek  <jakub@redhat.com>
 490
 491         PR fortran/100965
 492         * trans-openmp.c (gfc_omp_finish_clause): Gimplify OMP_CLAUSE_SIZE.
 493
 494 2021-06-08  Tobias Burnus  <tobias@codesourcery.com>
 495
 496         PR middle-end/99928
 497         * trans-openmp.c (gfc_add_clause_implicitly): New.
 498         (gfc_split_omp_clauses): Use it.
 499         (gfc_free_split_omp_clauses): New.
 500         (gfc_trans_omp_do_simd, gfc_trans_omp_parallel_do,
 501         gfc_trans_omp_parallel_do_simd, gfc_trans_omp_distribute,
 502         gfc_trans_omp_teams, gfc_trans_omp_target, gfc_trans_omp_taskloop,
 503         gfc_trans_omp_master_taskloop, gfc_trans_omp_parallel_master): Use it.
 504
 505 2021-06-08  Martin Liska  <mliska@suse.cz>
 506
 507         * intrinsic.texi: Fix typo.
 508         * trans-expr.c (gfc_trans_pointer_assignment): Likewise.
 509
 510 2021-06-05  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 511
 512         PR fortran/100120
 513         PR fortran/100816
 514         PR fortran/100818
 515         PR fortran/100819
 516         PR fortran/100821
 517         * trans-array.c (gfc_get_array_span): rework the way character
 518         array "span" was calculated.
 519         (gfc_conv_expr_descriptor): improve handling of character sections
 520         and unlimited polymorphic objects.
 521         * trans-expr.c (gfc_get_character_len): new function to calculate
 522         character string length.
 523         (gfc_get_character_len_in_bytes): new function to calculate
 524         character string length in bytes.
 525         (gfc_conv_scalar_to_descriptor): add call to set the "span".
 526         (gfc_trans_pointer_assignment): set "_len" and antecipate the
 527         initialization of the deferred character length hidden argument.
 528         * trans-intrinsic.c (gfc_conv_associated): set "force_no_tmp" to
 529         avoid the creation of a temporary.
 530         * trans-types.c (gfc_get_dtype_rank_type): rework type detection
 531         so that unlimited polymorphic objects get proper type infomation,
 532         also important for bind(c).
 533         (gfc_get_dtype): add argument to pass the rank if necessary.
 534         (gfc_get_array_type_bounds): cosmetic change to have character
 535         arrays called character instead of unknown.
 536         * trans-types.h (gfc_get_dtype): modify prototype.
 537         * trans.c (get_array_span): rework the way character array "span"
 538         was calculated.
 539         * trans.h (gfc_get_character_len): new prototype.
 540         (gfc_get_character_len_in_bytes): new prototype.
 541         Add "unlimited_polymorphic" flag to "gfc_se" type to signal when
 542         expression carries an unlimited polymorphic object.
 543
 544 2021-06-04  Harald Anlauf  <anlauf@gmx.de>
 545
 546         PR fortran/99839
 547         * frontend-passes.c (inline_matmul_assign): Do not inline matmul
 548         if the assignment to the resulting array if it is not of canonical
 549         type (real/integer/complex/logical).
 550
 551 2021-06-04  Tobias Burnus  <tobias@codesourcery.com>
 552
 553         * dump-parse-tree.c (show_code_node): Handle
 554         EXEC_OMP_(TARGET_)(,PARALLEL_,TEAMS_)LOOP.
 555
 556 2021-06-04  Tobias Burnus  <tobias@codesourcery.com>
 557
 558         * scanner.c (skip_fixed_omp_sentinel): Set openacc_flag if
 559         this is not an (OpenMP) continuation line.
 560         (skip_fixed_oacc_sentinel): Likewise for openmp_flag and OpenACC.
 561         (gfc_next_char_literal): gfc_error_now to force error for mixed OMP/ACC
 562         continuation once per location and return '\n'.
 563
 564 2021-06-04  Tobias Burnus  <tobias@codesourcery.com>
 565
 566         PR middle-end/99928
 567         * openmp.c (gfc_match_omp_clauses): Fix typo in error message.
 568
 569 2021-06-04  Tobias Burnus  <tobias@codesourcery.com>
 570
 571         PR middle-end/99928
 572         * dump-parse-tree.c (show_omp_clauses): Handle bind clause.
 573         (show_omp_node): Handle loop directive.
 574         * frontend-passes.c (gfc_code_walker): Likewise.
 575         * gfortran.h (enum gfc_statement): Add
 576         ST_OMP_(END_)(TARGET_)(|PARALLEL_|TEAMS_)LOOP.
 577         (enum gfc_omp_bind_type): New.
 578         (gfc_omp_clauses): Use it.
 579         (enum gfc_exec_op): Add EXEC_OMP_(TARGET_)(|PARALLEL_|TEAMS_)LOOP.
 580         * match.h (gfc_match_omp_loop, gfc_match_omp_parallel_loop,
 581         gfc_match_omp_target_parallel_loop, gfc_match_omp_target_teams_loop,
 582         gfc_match_omp_teams_loop): New.
 583         * openmp.c (enum omp_mask1): Add OMP_CLAUSE_BIND.
 584         (gfc_match_omp_clauses): Handle it.
 585         (OMP_LOOP_CLAUSES, gfc_match_omp_loop, gfc_match_omp_teams_loop,
 586         gfc_match_omp_target_teams_loop, gfc_match_omp_parallel_loop,
 587         gfc_match_omp_target_parallel_loop): New.
 588         (resolve_omp_clauses, resolve_omp_do, omp_code_to_statement,
 589         gfc_resolve_omp_directive): Handle omp loop.
 590         * parse.c (decode_omp_directive case_exec_markers, gfc_ascii_statement,
 591         parse_omp_do, parse_executable): Likewise.
 592         (parse_omp_structured_block): Remove ST_ which use parse_omp_do.
 593         * resolve.c (gfc_resolve_blocks): Add omp loop.
 594         * st.c (gfc_free_statement): Likewise.
 595         * trans-openmp.c (gfc_trans_omp_clauses): Handle bind clause.
 596         (gfc_trans_omp_do, gfc_trans_omp_parallel_do, gfc_trans_omp_distribute,
 597         gfc_trans_omp_teams, gfc_trans_omp_target, gfc_trans_omp_directive):
 598         Handle loop directive.
 599         (gfc_split_omp_clauses): Likewise; fix firstprivate/lastprivate
 600         and (in_)reduction for taskloop.
 601         * trans.c (trans_code): Handle omp loop directive.
 602
 603 2021-06-01  Tobias Burnus  <tobias@codesourcery.com>
 604
 605         PR middle-end/99928
 606         * dump-parse-tree.c (show_omp_node, show_code_node): Handle
 607         (parallel) master taskloop (simd).
 608         * frontend-passes.c (gfc_code_walker): Set in_omp_workshare
 609         to false for parallel master taskloop (simd).
 610         * gfortran.h (enum gfc_statement):
 611         Add ST_OMP_(END_)(PARALLEL_)MASTER_TASKLOOP(_SIMD).
 612         (enum gfc_exec_op): EXEC_OMP_(PARALLEL_)MASTER_TASKLOOP(_SIMD).
 613         * match.h (gfc_match_omp_master_taskloop,
 614         gfc_match_omp_master_taskloop_simd,
 615         gfc_match_omp_parallel_master_taskloop,
 616         gfc_match_omp_parallel_master_taskloop_simd): New prototype.
 617         * openmp.c (gfc_match_omp_parallel_master_taskloop,
 618         gfc_match_omp_parallel_master_taskloop_simd,
 619         gfc_match_omp_master_taskloop,
 620         gfc_match_omp_master_taskloop_simd): New.
 621         (gfc_match_omp_taskloop_simd): Permit 'reduction' clause.
 622         (resolve_omp_clauses): Handle new combined directives; remove
 623         inscan-reduction check to reduce multiple errors; add
 624         task-reduction error for 'taskloop simd'.
 625         (gfc_resolve_omp_parallel_blocks,
 626         resolve_omp_do, omp_code_to_statement,
 627         gfc_resolve_omp_directive): Handle new combined constructs.
 628         * parse.c (decode_omp_directive, next_statement,
 629         gfc_ascii_statement, parse_omp_do, parse_omp_structured_block,
 630         parse_executable): Likewise.
 631         * resolve.c (gfc_resolve_blocks, gfc_resolve_code): Likewise.
 632         * st.c (gfc_free_statement): Likewise.
 633         * trans.c (trans_code): Likewise.
 634         * trans-openmp.c (gfc_split_omp_clauses,
 635         gfc_trans_omp_directive): Likewise.
 636         (gfc_trans_omp_parallel_master): Move after gfc_trans_omp_master_taskloop;
 637         handle parallel master taskloop (simd) as well.
 638         (gfc_trans_omp_taskloop): Take gfc_exec_op as arg.
 639         (gfc_trans_omp_master_taskloop): New.
 640
 641 2021-05-30  Gerald Pfeifer  <gerald@pfeifer.com>
 642
 643         * gfortran.texi (BOZ literal constants): Fix typo.
 644
 645 2021-05-28  Tobias Burnus  <tobias@codesourcery.com>
 646
 647         * dump-parse-tree.c (show_iterator): New.
 648         (show_omp_namelist): Handle iterators.
 649         (show_omp_clauses): Handle affinity.
 650         * gfortran.h (gfc_free_omp_namelist): New union with 'udr' and new 'ns'.
 651         * match.c (gfc_free_omp_namelist): Add are to choose union element.
 652         * openmp.c (gfc_free_omp_clauses, gfc_match_omp_detach,
 653         gfc_match_omp_clause_reduction, gfc_match_omp_flush): Update
 654         call to gfc_free_omp_namelist.
 655         (gfc_match_omp_variable_list): Likewise; permit preceeding whitespace.
 656         (enum omp_mask1): Add OMP_CLAUSE_AFFINITY.
 657         (gfc_match_iterator): New.
 658         (gfc_match_omp_clauses): Use it; update call to gfc_free_omp_namelist.
 659         (OMP_TASK_CLAUSES): Add OMP_CLAUSE_AFFINITY.
 660         (gfc_match_omp_taskwait): Match depend clause.
 661         (resolve_omp_clauses): Handle affinity; update for udr/union change.
 662         (gfc_resolve_omp_directive): Resolve clauses of taskwait.
 663         * st.c (gfc_free_statement): Update gfc_free_omp_namelist call.
 664         * trans-openmp.c (gfc_trans_omp_array_reduction_or_udr): Likewise
 665         (handle_iterator): New.
 666         (gfc_trans_omp_clauses): Handle iterators for depend/affinity clause.
 667         (gfc_trans_omp_taskwait): Handle depend clause.
 668         (gfc_trans_omp_directive): Update call.
 669
 670 2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 671
 672         PR fortran/100602
 673         * trans-intrinsic.c (gfc_conv_intrinsic_size): Use CLASS data
 674         attributes for CLASS arrays for generation of runtime error.
 675
 676 2021-05-27  Harald Anlauf  <anlauf@gmx.de>
 677
 678         PR fortran/100656
 679         * trans-array.c (gfc_conv_ss_startstride): Do not call check for
 680         presence of a dummy argument when a symbol actually refers to a
 681         non-dummy.
 682
 683 2021-05-25  Tobias Burnus  <tobias@codesourcery.com>
 684             Johannes Nendwich  <a08727063@unet.univie.ac.at>
 685
 686         * intrinsic.texi (GERROR, GETARGS, GETLOG, NORM2, PARITY, RANDOM_INIT,
 687         RANDOM_NUMBER): Fix typos and copy'n'paste errors.
 688
 689 2021-05-24  Tobias Burnus  <tobias@codesourcery.com>
 690
 691         PR fortran/86470
 692         * trans-expr.c (gfc_copy_class_to_class): Add unshare_expr.
 693         * trans-openmp.c (gfc_is_polymorphic_nonptr,
 694         gfc_is_unlimited_polymorphic_nonptr): New.
 695         (gfc_omp_clause_copy_ctor, gfc_omp_clause_dtor): Handle
 696         polymorphic scalars.
 697
 698 2021-05-23  Harald Anlauf  <anlauf@gmx.de>
 699
 700         PR fortran/100551
 701         * trans-expr.c (gfc_conv_procedure_call): Adjust check for
 702         implicit conversion of actual argument to an unlimited polymorphic
 703         procedure argument.
 704
 705 2021-05-23  Tobias Burnus  <tobias@codesourcery.com>
 706
 707         * intrinsic.texi (ATOMIC_ADD, ATOMIC_FETCH_ADD): Use the
 708         proper variable name in the description.
 709
 710 2021-05-22  Andre Vehreschild  <vehre@gcc.gnu.org>
 711             Steve Kargl  <kargl@gcc.gnu.org>
 712
 713         PR fortran/98301
 714         * trans-decl.c (gfc_build_builtin_function_decls): Move decl.
 715         * trans-intrinsic.c (conv_intrinsic_random_init): Use bool for
 716         lib-call of caf_random_init instead of logical (4-byte).
 717         * trans.h: Add tree var for random_init.
 718
 719 2021-05-20  Marcel Vollweiler  <marcel@codesourcery.com>
 720
 721         * openmp.c (gfc_match_omp_clauses): Support map-type-modifier 'close'.
 722
 723 2021-05-18  Tobias Burnus  <tobias@codesourcery.com>
 724
 725         PR fortran/100642
 726         * openmp.c (omp_code_to_statement): Add missing EXEC_OMP_DEPOBJ.
 727
 728 2021-05-17  Harald Anlauf  <anlauf@gmx.de>
 729
 730         PR fortran/98411
 731         * trans-decl.c (gfc_finish_var_decl): Add check for explicit SAVE
 732         attribute.
 733
 734 2021-05-17  Tobias Burnus  <tobias@codesourcery.com>
 735
 736         PR fortran/100633
 737         * resolve.c (gfc_resolve_code): Reject nonintrinsic assignments in
 738         OMP WORKSHARE.
 739
 740 2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
 741
 742         * dump-parse-tree.c (show_omp_node, show_code_node): Handle
 743         EXEC_OMP_PARALLEL_MASTER.
 744         * frontend-passes.c (gfc_code_walker): Likewise.
 745         * gfortran.h (enum gfc_statement): Add ST_OMP_PARALLEL_MASTER and
 746         ST_OMP_END_PARALLEL_MASTER.
 747         (enum gfc_exec_op): Add EXEC_OMP_PARALLEL_MASTER..
 748         * match.h (gfc_match_omp_parallel_master): Handle it.
 749         * openmp.c (gfc_match_omp_parallel_master, resolve_omp_clauses,
 750         omp_code_to_statement, gfc_resolve_omp_directive): Likewise.
 751         * parse.c (decode_omp_directive, case_exec_markers,
 752         gfc_ascii_statement, parse_omp_structured_block,
 753         parse_executable): Likewise.
 754         * resolve.c (gfc_resolve_blocks, gfc_resolve_code): Likewise.
 755         * st.c (gfc_free_statement): Likewise.
 756         * trans-openmp.c (gfc_trans_omp_parallel_master,
 757         gfc_trans_omp_workshare, gfc_trans_omp_directive): Likewise.
 758         * trans.c (trans_code): Likewise.
 759
 760 2021-05-14  Tobias Burnus  <tobias@codesourcery.com>
 761
 762         * resolve.c (resolve_symbol): Handle implicit SAVE of main-program
 763         for vars in 'omp threadprivate' and 'omp declare target'.
 764
 765 2021-05-10  Martin Liska  <mliska@suse.cz>
 766
 767         * decl.c (variable_decl): Use startswith
 768         function instead of strncmp.
 769         (gfc_match_end): Likewise.
 770         * gfortran.h (gfc_str_startswith): Likewise.
 771         * module.c (load_omp_udrs): Likewise.
 772         (read_module): Likewise.
 773         * options.c (gfc_handle_runtime_check_option): Likewise.
 774         * primary.c (match_arg_list_function): Likewise.
 775         * trans-decl.c (gfc_get_symbol_decl): Likewise.
 776         * trans-expr.c (gfc_conv_procedure_call): Likewise.
 777         * trans-intrinsic.c (gfc_conv_ieee_arithmetic_function): Likewise.
 778
 779 2021-05-06  Paul Thomas  <pault@gcc.gnu.org>
 780
 781         PR fortran/46991
 782         PR fortran/99819
 783         * class.c (gfc_build_class_symbol): Remove the error that
 784         disables assumed size class arrays. Class array types that are
 785         not deferred shape or assumed rank are given a unique name and
 786         placed in the procedure namespace.
 787         * trans-array.c (gfc_trans_g77_array): Obtain the data pointer
 788         for class arrays.
 789         (gfc_trans_dummy_array_bias): Suppress the runtime error for
 790         extent violations in explicit shape class arrays because it
 791         always fails.
 792         * trans-expr.c (gfc_conv_procedure_call): Handle assumed size
 793         class actual arguments passed to non-descriptor formal args by
 794         using the data pointer, stored as the symbol's backend decl.
 795
 796 2021-05-05  Harald Anlauf  <anlauf@gmx.de>
 797
 798         PR fortran/100274
 799         * interface.c (gfc_compare_actual_formal): Continue checks after
 800         emitting warning for argument length mismatch.
 801         * trans-expr.c (gfc_conv_procedure_call): Check for NULL pointer
 802         dereference.
 803
 804 2021-05-04  Tobias Burnus  <tobias@codesourcery.com>
 805
 806         PR testsuite/100397
 807         * trans-openmp.c (gfc_trans_omp_depobj): Fix pasto in enum values.
 808
 809 2021-04-28  Tobias Burnus  <tobias@codesourcery.com>
 810
 811         * openmp.c (gfc_match_omp_variable_list): Gobble whitespace before
 812         checking whether a '%' or parenthesis-open follows as next character.
 813
 814 2021-04-28  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 815
 816         PR fortran/82376
 817         * trans-expr.c (gfc_conv_procedure_call): Evaluate function result
 818         and then pass a pointer.
 819
 820 2021-04-26  Thomas Schwinge  <thomas@codesourcery.com>
 821             Nathan Sidwell  <nathan@codesourcery.com>
 822             Tom de Vries  <vries@codesourcery.com>
 823             Julian Brown  <julian@codesourcery.com>
 824             Kwok Cheung Yeung  <kcy@codesourcery.com>
 825
 826         * lang.opt (Wopenacc-parallelism): New.
 827
 828 2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 829
 830         PR fortran/100154
 831         * check.c (variable_check): Allow function reference having a data
 832         pointer result.
 833         (arg_strlen_is_zero): New function.
 834         (gfc_check_fgetputc_sub): Add static check of character and status
 835         arguments.
 836         (gfc_check_fgetput_sub): Likewise.
 837         * intrinsic.c (add_subroutines): Fix argument name for the
 838         character argument to intrinsic subroutines fget[c], fput[c].
 839
 840 2021-04-24  Harald Anlauf  <anlauf@gmx.de>
 841
 842         PR fortran/100218
 843         * expr.c (gfc_check_vardef_context): Extend check to allow pointer
 844         from a function reference.
 845
 846 2021-04-22  Martin Liska  <mliska@suse.cz>
 847
 848         PR testsuite/100159
 849         PR testsuite/100192
 850         * frontend-passes.c (optimize_expr): Fix typos and missing comments.
 851
 852 2021-04-22  Michael Meissner  <meissner@linux.ibm.com>
 853
 854         PR fortran/96983
 855         * trans-intrinsic.c (build_round_expr): If int type is larger than
 856         long long, do the round and convert to the integer type.  Do not
 857         try to find a floating point type the exact size of the integer
 858         type.
 859
 860 2021-04-21  Tobias Burnus  <tobias@codesourcery.com>
 861
 862         * dump-parse-tree.c (show_omp_namelist): Handle depobj + mutexinoutset
 863         in the depend clause.
 864         (show_omp_clauses, show_omp_node, show_code_node): Handle depobj.
 865         * gfortran.h (enum gfc_statement): Add ST_OMP_DEPOBJ.
 866         (enum gfc_omp_depend_op): Add OMP_DEPEND_UNSET,
 867         OMP_DEPEND_MUTEXINOUTSET and OMP_DEPEND_DEPOBJ.
 868         (gfc_omp_clauses): Add destroy, depobj_update and depobj.
 869         (enum gfc_exec_op): Add EXEC_OMP_DEPOBJ
 870         * match.h (gfc_match_omp_depobj): Match 'omp depobj'.
 871         * openmp.c (gfc_match_omp_clauses): Add depobj + mutexinoutset
 872         to depend clause.
 873         (gfc_match_omp_depobj, resolve_omp_clauses, gfc_resolve_omp_directive):
 874         Handle 'omp depobj'.
 875         * parse.c (decode_omp_directive, next_statement, gfc_ascii_statement):
 876         Likewise.
 877         * resolve.c (gfc_resolve_code): Likewise.
 878         * st.c (gfc_free_statement): Likewise.
 879         * trans-openmp.c (gfc_trans_omp_clauses): Handle depobj + mutexinoutset
 880         in the depend clause.
 881         (gfc_trans_omp_depobj, gfc_trans_omp_directive): Handle EXEC_OMP_DEPOBJ.
 882         * trans.c (trans_code): Likewise.
 883
 884 2021-04-20  Paul Thomas  <pault@gcc.gnu.org>
 885
 886         PR fortran/100110
 887         * trans-decl.c (gfc_get_symbol_decl): Replace test for host
 888         association with a check that the current and symbol namespaces
 889         are the same.
 890
 891 2021-04-19  Thomas Schwinge  <thomas@codesourcery.com>
 892
 893         * lang.opt (fopenacc-kernels=): Remove.
 894
 895 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 896
 897         PR fortran/100094
 898         * trans-array.c (gfc_trans_deferred_array): Add code to initialize
 899         pointers and allocatables with correct TKR parameters.
 900
 901 2021-04-16  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
 902
 903         PR fortran/100018
 904         * resolve.c: Add association check before de-referencing pointer.
 905
 906 2021-04-16  Harald Anlauf  <anlauf@gmx.de>
 907             Paul Thomas  <pault@gcc.gnu.org>
 908
 909         PR fortran/63797
 910         * module.c (write_symtree): Do not write interface of intrinsic
 911         procedure to module file for F2003 and newer.
 912
 913 2021-04-15  Paul Thomas  <pault@gcc.gnu.org>
 914
 915         PR fortran/99307
 916         * symbol.c: Remove trailing white space.
 917         * trans-array.c (gfc_trans_create_temp_array): Create a class
 918         temporary for class expressions and assign the new descriptor
 919         to the data field.
 920         (build_class_array_ref): If the class expr can be extracted,
 921         then use that for 'decl'. Class function results are reliably
 922         handled this way. Call gfc_find_and_cut_at_last_class_ref to
 923         eliminate largely redundant code. Remove dead code and recast
 924         the rest of the code to extract 'decl' for remaining cases.
 925         Call gfc_build_spanned_array_ref.
 926         (gfc_alloc_allocatable_for_assignment): Use class descriptor
 927         element length for 'elemsize1'. Eliminate repeat set of dtype
 928         for class expressions.
 929         * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Include
 930         additional code from build_class_array_ref, and use optional
 931         gfc_typespec pointer argument.
 932         (gfc_trans_scalar_assign): Make use of pre and post blocks for
 933         all class expressions.
 934         * trans.c (get_array_span): For unlimited polymorphic exprs
 935         multiply the span by the value of the _len field.
 936         (gfc_build_spanned_array_ref): New function.
 937         (gfc_build_array_ref): Call gfc_build_spanned_array_ref and
 938         eliminate repeated code.
 939         * trans.h: Add arg to gfc_find_and_cut_at_last_class_ref and
 940         add prototype for gfc_build_spanned_array_ref.
 941
 942 2021-04-14  Martin Liska  <mliska@suse.cz>
 943
 944         * intrinsic.texi: The table has first column empty and it makes
 945         trouble when processing makeinfo --xml output.
 946
 947 2021-04-09  Tobias Burnus  <tobias@codesourcery.com>
 948
 949         PR fortran/99817
 950         * trans-types.c (gfc_get_function_type): Also generate hidden
 951         coarray argument for character arguments.
 952
 953 2021-04-03  Paul Thomas  <pault@gcc.gnu.org>
 954
 955         PR fortran/99818
 956         * interface.c (compare_parameter): The codimension attribute is
 957         applied to the _data field of class formal arguments.
 958
 959 2021-04-01  Harald Anlauf  <anlauf@gmx.de>
 960
 961         PR fortran/99840
 962         * simplify.c (gfc_simplify_transpose): Properly initialize
 963         resulting shape.
 964
 965 2021-03-28  Paul Thomas  <pault@gcc.gnu.org>
 966
 967         PR fortran/99602
 968         * trans-expr.c (gfc_conv_procedure_call): Use the _data attrs
 969         for class expressions and detect proc pointer evaluations by
 970         the non-null actual argument list.
 971
 972 2021-03-27  Steve Kargl  <kargl@gcc.gnu.org>
 973
 974         * misc.c (gfc_typename): Fix off-by-one in buffer sizes.
 975
 976 2021-03-26  Tobias Burnus  <tobias@codesourcery.com>
 977
 978         PR fortran/99651
 979         * intrinsic.c (gfc_intrinsic_func_interface): Set
 980         attr.proc = PROC_INTRINSIC if FL_PROCEDURE.
 981
 982 2021-03-24  Tobias Burnus  <tobias@codesourcery.com>
 983
 984         PR fortran/99369
 985         * resolve.c (resolve_operator): Make 'msg' buffer larger
 986         and use snprintf.
 987
 988 2021-03-23  Tobias Burnus  <tobias@codesourcery.com>
 989
 990         PR fortran/93660
 991         * trans-decl.c (build_function_decl): Add comment;
 992         increment hidden_typelist for caf_token/caf_offset.
 993         * trans-types.c (gfc_get_function_type): Add comment;
 994         add missing caf_token/caf_offset args.
 995
 996 2021-03-22  Tobias Burnus  <tobias@codesourcery.com>
 997
 998         PR fortran/99688
 999         * match.c (select_type_set_tmp, gfc_match_select_type,
1000         gfc_match_select_rank): Fix 'name' buffersize to avoid out of bounds.
1001         * resolve.c (resolve_select_type): Likewise.
1002
1003 2021-03-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
1004
1005         * frontend-passes.c (inline_limit_check): Add rank_a
1006         argument. If a is rank 1, set the second dimension to 1.
1007         (inline_matmul_assign): Pass rank_a argument to inline_limit_check.
1008         (call_external_blas): Likewise.
1009
1010 2021-03-15  Thomas Koenig  <tkoenig@gcc.gnu.org>
1011
1012         PR fortran/99345
1013         * frontend-passes.c (doloop_contained_procedure_code):
1014         Properly handle EXEC_IOLENGTH.
1015
1016 2021-03-15  Paul Thomas  <pault@gcc.gnu.org>
1017
1018         PR fortran/99545
1019         * trans-stmt.c (gfc_trans_allocate): Mark the initialization
1020         assignment by setting init_flag.
1021
1022 2021-03-14  Harald Anlauf  <anlauf@gmx.de>
1023             Paul Thomas  <pault@gcc.gnu.org>
1024
1025         * trans-expr.c (gfc_conv_procedure_call): Fix runtime checks for
1026         CLASS arguments.
1027         * trans-intrinsic.c (gfc_conv_intrinsic_size): Likewise.
1028
1029 2021-03-13  Paul Thomas  <pault@gcc.gnu.org>
1030
1031         PR fortran/99125
1032         * trans-array.c (gfc_conv_expr_descriptor): For deferred length
1033         length components use the ss_info string length instead of
1034         gfc_get_expr_charlen. Make sure that the deferred string length
1035         is a variable before assigning to it. Otherwise use the expr.
1036         * trans-expr.c (gfc_conv_string_length): Make sure that the
1037         deferred string length is a variable before assigning to it.
1038
1039 2021-03-12  Tobias Burnus  <tobias@codesourcery.com>
1040
1041         PR fortran/99514
1042         * resolve.c (resolve_symbol): Accept vars which are in DATA
1043         and hence (either) implicit SAVE (or in common).
1044
1045 2021-03-10  Harald Anlauf  <anlauf@gmx.de>
1046
1047         PR fortran/99205
1048         * data.c (gfc_assign_data_value): Reject non-constant character
1049         length for lvalue.
1050         * trans-array.c (gfc_conv_array_initializer): Restrict loop to
1051         elements which are defined to avoid NULL pointer dereference.
1052
1053 2021-03-10  Tobias Burnus  <tobias@codesourcery.com>
1054
1055         * intrinsic.texi (MIN): Correct 'maximum' to 'minimum'.
1056
1057 2021-03-10  Eric Botcazou  <ebotcazou@adacore.com>
1058
1059         PR fortran/96983
1060         * trans-intrinsic.c (build_round_expr): Do not implicitly assume
1061         that __float128 is the 128-bit floating-point type.
1062
1063 2021-03-08  Harald Anlauf  <anlauf@gmx.de>
1064
1065         PR fortran/49278
1066         * data.c (gfc_assign_data_value): Reject variable with PARAMETER
1067         attribute in DATA statement.
1068
1069 2021-03-05  Tobias Burnus  <tobias@codesourcery.com>
1070
1071         PR fortran/99355
1072         PR fortran/57871
1073         * invoke.texi (-freal{4,8}-real-*): Extend description.
1074         * primary.c (match_real_constant): Also promote real literals
1075         with '_kind' number.
1076
1077 2021-03-04  Tobias Burnus  <tobias@codesourcery.com>
1078
1079         PR fortran/99355
1080         * decl.c (gfc_match_old_kind_spec, gfc_match_kind_spec): Avoid
1081         redoing kind conversions.
1082         * primary.c (match_real_constant): Likewise.
1083
1084 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1085
1086         PR fortran/99303
1087         * openmp.c (gfc_omp_requires_add_clause): Fix up diagnostic message
1088         wordings.
1089         (resolve_omp_clauses): Likewise.
1090
1091 2021-02-28  Jakub Jelinek  <jakub@redhat.com>
1092
1093         PR fortran/99300
1094         * frontend-passes.c (doloop_code): Replace double space in diagnostics
1095         with a single space.
1096
1097 2021-02-24  Paul Thomas  <pault@gcc.gnu.org>
1098
1099         PR fortran/98342
1100         * trans-expr.c (gfc_conv_derived_to_class): Add optional arg.
1101         'derived_array' to hold the fixed, parmse expr in the case of
1102         assumed rank formal arguments. Deal with optional arguments.
1103         (gfc_conv_procedure_call): Null 'derived' array for each actual
1104         argument. Add its address to the call to gfc_conv_derived_to_
1105         class. Access the 'data' field of scalar descriptors before
1106         deallocating allocatable components. Also strip NOPs before the
1107         calls to gfc_deallocate_alloc_comp. Use 'derived' array as the
1108         input to gfc_deallocate_alloc_comp if it is available.
1109         * trans.h : Include the optional argument 'derived_array' to
1110         the prototype of gfc_conv_derived_to_class. The default value
1111         is NULL_TREE.
1112
1113 2021-02-23  Paul Thomas  <pault@gcc.gnu.org>
1114
1115         PR fortran/99124
1116         * resolve.c (resolve_fl_procedure): Include class results in
1117         the test for F2018, C15100.
1118         * trans-array.c (get_class_info_from_ss): Do not use the saved
1119         descriptor to obtain the class expression for variables. Use
1120         gfc_get_class_from_expr instead.
1121
1122 2021-02-23  Harald Anlauf  <anlauf@gmx.de>
1123
1124         PR fortran/99206
1125         * simplify.c (gfc_simplify_reshape): Set string length for
1126         character arguments.
1127
1128 2021-02-22  Tobias Burnus  <tobias@codesourcery.com>
1129
1130         PR fortran/99171
1131         * trans-openmp.c (gfc_omp_is_optional_argument): Regard optional
1132         dummy procs as nonoptional as no special treatment is needed.
1133
1134 2021-02-21  Harald Anlauf  <anlauf@gmx.de>
1135
1136         * trans-expr.c (gfc_conv_procedure_call): Do not add clobber to
1137         allocatable intent(out) argument.
1138
1139 2021-02-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1140
1141         PR fortran/98686
1142         * match.c (gfc_match_namelist): If BT_UNKNOWN, check for
1143         IMPLICIT NONE and and issue an error, otherwise set the type
1144         to its IMPLICIT type so that any subsequent use of objects will
1145         will confirm their types.
1146
1147 2021-02-19  Harald Anlauf  <anlauf@gmx.de>
1148
1149         * symbol.c (gfc_add_flavor): Reverse order of conditions.
1150
1151 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1152
1153         PR fortran/99010
1154         * dependency.c (gfc_dep_resolver): Fix coarray handling.
1155
1156 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1157
1158         PR fortran/99146
1159         * interface.c:
1160
1161 2021-02-19  Tobias Burnus  <tobias@codesourcery.com>
1162
1163         PR fortran/99027
1164         * simplify.c (simplify_bound_dim): Honor DIMEN_ELEMENT
1165         when using dim=.
1166
1167 2021-02-17  Julian Brown  <julian@codesourcery.com>
1168
1169         * openmp.c (resolve_omp_clauses): Disallow selecting components
1170         of arrays of derived type.
1171
1172 2021-02-17  Julian Brown  <julian@codesourcery.com>
1173
1174         * trans-openmp.c (gfc_trans_omp_clauses): Handle element selection
1175         for arrays of derived types.
1176
1177 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1178
1179         * expr.c (gfc_is_simplify_contiguous): Handle REF_INQUIRY, i.e.
1180         %im and %re which are EXPR_VARIABLE.
1181         * openmp.c (resolve_omp_clauses): Diagnose %re/%im explicitly.
1182
1183 2021-02-16  Tobias Burnus  <tobias@codesourcery.com>
1184
1185         PR fortran/99111
1186         * io.c (resolve_tag_format): Reject BT_DERIVED/CLASS/VOID
1187         as (array-valued) FORMAT tag.
1188
1189 2021-02-12  Tobias Burnus  <tobias@codesourcery.com>
1190
1191         PR fortran/99043
1192         * trans-expr.c (gfc_conv_procedure_call): Don't reset
1193         rank of assumed-rank array.
1194
1195 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1196
1197         PR fortran/98897
1198         * match.c (gfc_match_call): Include associate names as possible
1199         entities with typebound subroutines. The target needs to be
1200         resolved for the type.
1201
1202 2021-02-11  Paul Thomas  <pault@gcc.gnu.org>
1203
1204         PR fortran/99060
1205         * primary.c (gfc_match_varspec): Test for non-null 'previous'
1206         before using its name in the error message.
1207
1208 2021-02-11  Tobias Burnus  <tobias@codesourcery.com>
1209
1210         * intrinsic.texi (FINDLOC): Add 'MASK' to argument table.
1211         (MAXLOC, MAXVAL, MINLOC, MINVAL): For 'MASK', remove 'an
1212         array' as scalars are also permitted.
1213
1214 2021-02-10  Julian Brown  <julian@codesourcery.com>
1215
1216         PR fortran/98979
1217         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1218         contiguity check and stride-specified error.
1219
1220 2021-02-04  Julian Brown  <julian@codesourcery.com>
1221
1222         * openmp.c (resolve_omp_clauses): Omit OpenACC update in
1223         contiguity check and stride-specified error.
1224
1225 2021-02-04  Julian Brown  <julian@codesourcery.com>
1226
1227         * trans-openmp.c (gfc_trans_omp_clauses): Use class_pointer attribute
1228         for BT_CLASS.
1229
1230 2021-02-04  Julian Brown  <julian@codesourcery.com>
1231
1232         * trans-openmp.c (gfc_trans_omp_clauses): Fix dereferencing for
1233         BT_DERIVED members.
1234
1235 2021-02-04  Tobias Burnus  <tobias@codesourcery.com>
1236
1237         * openmp.c (resolve_omp_clauses): Explicitly diagnose
1238         substrings as not permitted.
1239
1240 2021-02-03  Jeff Law  <law@redhat.com>
1241
1242         * intrinsic.texi (ANINT): Fix typo.
1243
1244 2021-02-03  Tobias Burnus  <tobias@codesourcery.com>
1245
1246         PR fortran/98913
1247         * dependency.c (gfc_dep_resolver): Treat local access
1248         to coarrays like any array access in dependency analysis.
1249
1250 2021-01-28  Harald Anlauf  <anlauf@gmx.de>
1251
1252         PR fortran/86470
1253         * trans.c (gfc_call_malloc): Allocate area of size 1 if passed
1254         size is NULL (as documented).
1255
1256 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1257
1258         PR fortran/93924
1259         PR fortran/93925
1260         * trans-expr.c (gfc_conv_procedure_call): Suppress the call to
1261         gfc_conv_intrinsic_to_class for unlimited polymorphic procedure
1262         pointers.
1263         (gfc_trans_assignment_1): Similarly suppress class assignment
1264         for class valued procedure pointers.
1265
1266 2021-01-27  Paul Thomas  <pault@gcc.gnu.org>
1267
1268         PR fortran/98472
1269         * trans-array.c (gfc_conv_expr_descriptor): Include elemental
1270         procedure pointers in the assert under the comment 'elemental
1271         function' and eliminate the second, spurious assert.
1272
1273 2021-01-25  Harald Anlauf  <anlauf@gmx.de>
1274
1275         PR fortran/70070
1276         * data.c (create_character_initializer): Check substring indices
1277         against bounds.
1278         (gfc_assign_data_value): Catch error returned from
1279         create_character_initializer.
1280
1281 2021-01-25  Tobias Burnus  <tobias@codesourcery.com>
1282
1283         * intrinsic.texi (CO_BROADCAST, CO_MIN, CO_REDUCE, CO_SUM): Fix typos.
1284
1285 2021-01-25  Steve Kargl  <kargl@gcc.gnu.org>
1286
1287         PR fortran/98517
1288         * resolve.c (resolve_charlen): Check that length expression is
1289         present before testing for scalar/integer..
1290
1291 2021-01-22  Paul Thomas  <pault@gcc.gnu.org>
1292
1293         PR fortran/98565
1294         * trans-intrinsic.c (gfc_conv_associated): Do not add a _data
1295         component for scalar class function targets. Instead, fix the
1296         function result and access the _data from that.
1297
1298 2021-01-21  Jorge D'Elia  <jdelia@cimec.unl.edu.ar>
1299
1300         * intrinsic.texi (CO_MAX): Fix typo.
1301
1302 2021-01-21  Paul Thomas  <pault@gcc.gnu.org>
1303
1304         PR fortran/96320
1305         * decl.c (gfc_match_modproc): It is not an error to find a
1306         module procedure declaration within a contains block.
1307         * expr.c (gfc_check_vardef_context): Pure procedure result is
1308         assignable. Change 'own_scope' accordingly.
1309         * resolve.c (resolve_typebound_procedure): A procedure that
1310         has the module procedure attribute is almost certainly a
1311         module procedure, whatever its interface.
1312
1313 2021-01-19  Tobias Burnus  <tobias@codesourcery.com>
1314
1315         PR fortran/98476
1316         * openmp.c (resolve_omp_clauses): Change use_device_ptr
1317         to use_device_addr for unless type(c_ptr); check all
1318         list item for is_device_ptr.
1319
1320 2021-01-16  Kwok Cheung Yeung  <kcy@codesourcery.com>
1321
1322         * dump-parse-tree.c (show_omp_clauses): Handle detach clause.
1323         * frontend-passes.c (gfc_code_walker): Walk detach expression.
1324         * gfortran.h (struct gfc_omp_clauses): Add detach field.
1325         (gfc_c_intptr_kind): New.
1326         * openmp.c (gfc_free_omp_clauses): Free detach clause.
1327         (gfc_match_omp_detach): New.
1328         (enum omp_mask1): Add OMP_CLAUSE_DETACH.
1329         (enum omp_mask2): Remove OMP_CLAUSE_DETACH.
1330         (gfc_match_omp_clauses): Handle OMP_CLAUSE_DETACH for OpenMP.
1331         (OMP_TASK_CLAUSES): Add OMP_CLAUSE_DETACH.
1332         (resolve_omp_clauses): Prevent use of detach with mergeable and
1333         overriding the data sharing mode of the event handle.
1334         * trans-openmp.c (gfc_trans_omp_clauses): Handle detach clause.
1335         * trans-types.c (gfc_c_intptr_kind): New.
1336         (gfc_init_kinds): Initialize gfc_c_intptr_kind.
1337         * types.def
1338         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT): Rename
1339         to...
1340         (BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT_PTR_INT_PTR):
1341         ...this.  Add extra argument.
1342
1343 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1344
1345         * gfortran.h (gfc_resolve_substring): Add prototype.
1346         * primary.c (match_string_constant): Simplify substrings with
1347         constant starting and ending points.
1348         * resolve.c: Rename resolve_substring to gfc_resolve_substring.
1349         (gfc_resolve_ref): Use renamed function gfc_resolve_substring.
1350
1351 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1352
1353         PR fortran/98661
1354         * resolve.c (resolve_component): Derived type components with
1355         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1356
1357 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1358
1359         Revert:
1360         2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1361
1362         PR fortran/98661
1363         * resolve.c (resolve_component): Derived type components with
1364         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1365
1366 2021-01-14  Harald Anlauf  <anlauf@gmx.de>
1367
1368         PR fortran/98661
1369         * resolve.c (resolve_component): Derived type components with
1370         ALLOCATABLE or POINTER attribute shall have a deferred shape.
1371
1372 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1373
1374         PR fortran/93794
1375         * trans-expr.c (gfc_conv_component_ref): Remove the condition
1376         that deferred character length components only be allocatable.
1377
1378 2021-01-08  Paul Thomas  <pault@gcc.gnu.org>
1379
1380         PR fortran/98458
1381         * simplify.c (is_constant_array_expr): If an array constructor
1382         expression has elements other than constants or structures, try
1383         fixing the expression with gfc_reduce_init_expr. Also, if shape
1384         is NULL, obtain the array size and set it.
1385
1386 2021-01-07  Paul Thomas  <pault@gcc.gnu.org>
1387
1388         PR fortran/93701
1389         * resolve.c (find_array_spec): Put static prototype for
1390         resolve_assoc_var before this function and call for associate
1391         variables.
1392
1393 2021-01-06  Harald Anlauf  <anlauf@gmx.de>
1394
1395         * resolve.c (resolve_component): Add check for valid CLASS
1396         reference before trying to access CLASS data.
1397
1398 2021-01-04  Martin Liska  <mliska@suse.cz>
1399
1400         * ChangeLog-2018: Remove duplicate ChangeLog entries.
1401
1402 2021-01-01  Harald Anlauf  <anlauf@gmx.de>
1403
1404         * class.c (gfc_find_vtab): Add check on attribute is_class.
1405
1406 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1407
1408         * gfortranspec.c (lang_specific_driver): Update copyright notice
1409         dates.
1410         * gfc-internals.texi: Bump @copying's copyright year.
1411         * gfortran.texi: Ditto.
1412         * intrinsic.texi: Ditto.
1413         * invoke.texi: Ditto.
1414
1415 2021-01-01  Jakub Jelinek  <jakub@redhat.com>
1416
1417         * ChangeLog-2020: Rotate ChangeLog.  New file.
1418
1419 \f
1420 Copyright (C) 2021 Free Software Foundation, Inc.
1421
1422 Copying and distribution of this file, with or without modification,
1423 are permitted in any medium without royalty provided the copyright
1424 notice and this notice are preserved.