gcc/fortran/ChangeLog

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