gcc/fortran/ChangeLog

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