gcc/fortran/ChangeLog

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