re PR fortran/58618 (Wrong code with character substring and ASSOCIATE)
[gcc.git] / gcc / fortran / ChangeLog
1 2018-10-18 Paul Thomas <pault@gcc.gnu.org>
2
3 PR fortran/58618
4 * trans-stmt.c (trans_associate_var): All strings that return
5 as pointer types can be assigned directly to the associate
6 name so remove 'attr' and the condition that uses it.
7
8 2018-10-18 Paul Thomas <pault@gcc.gnu.org>
9
10 PR fortran/58618
11 * trans-decl.c (gfc_get_symbol_decl): Deal correctly with the
12 initialization with NULL() of a deferred length pointer.
13
14 2018-10-17 Tobias Burnus <burnus@net-b.de>
15
16 PR fortran/87632
17 * resolve.c (resolve_select_type): Use correct variable.
18
19 2018-10-17 David Malcolm <dmalcolm@redhat.com>
20
21 * Make-lang.in (selftest-fortran): New.
22
23 2018-10-17 Paul Thomas <pault@gcc.gnu.org>
24
25 PR fortran/56386
26 PR fortran/58906
27 PR fortran/77385
28 PR fortran/80260
29 PR fortran/82077
30 * resolve.c (resolve_variable): Fix up expressions with array
31 associate names, where the parser did not detect that this is
32 array and there was no array part_ref in the expression.
33
34 2018-10-16 Tobias Burnus <burnus@net-b.de>
35
36 PR fortran/67125
37 * trans-array.c (gfc_array_init_size, gfc_array_allocate):
38 Rename argument e3_is_array_constr to e3_has_nodescriptor
39 and update comments.
40 * trans-stmt.c (gfc_trans_allocate): Also fix lower bound
41 to 1 for nonalloc/nonpointer func results/vars besides
42 array constructors.
43
44 2018-10-16 Tobias Burnus <burnus@net-b.de>
45
46 PR fortran/87556
47 * trans-stmt.c (form_team, change_team, sync_team):
48 Don't ignore argse.pre/argse.post.
49
50 2018-10-15 Paul Thomas <pault@gcc.gnu.org>
51 Tobias Burnus <burnus@gcc.gnu.org>
52
53 PR fortran/87566
54 * resolve.c (resolve_assoc_var): Add missing array spec for
55 class associate names.
56 (resolve_select_type): Handle case where last typed component
57 of the selector has a different type to the expression.
58 * trans-expr.c (gfc_find_and_cut_at_last_class_ref): Replace
59 call to gfc_expr_to_initialize with call to gfc_copy_expr.
60 (gfc_conv_class_to_class): Guard assignment to 'len' field
61 against case where zero constant is supplied.
62
63 2018-10-12 Tobias Burnus <burnus@net-b.de>
64
65 PR fortran/87597
66 * expr.c (gfc_simplify_expr): Avoid simplifying
67 the 'array' argument to lbound/ubound/lcobound/
68 ucobound.
69
70 2018-10-12 Tobias Burnus <burnus@net-b.de>
71
72 PR fortran/58787
73 * decl.c (get_proc_name): Return with error before
74 creating sym_tree.
75
76 2018-10-11 Tobias Burnus <burnus@net-b.de>
77
78 Revert:
79 2018-10-09 Tobias Burnus <burnus@net-b.de>
80
81 PR fortran/83522
82 * resolve.c (resolve_ref): Reject nonscalar
83 substring references.
84
85 2018-10-09 David Malcolm <dmalcolm@redhat.com>
86
87 * cpp.c (gfc_cpp_init_0): Update for renamings.
88 (cb_cpp_error): Rename to...
89 (cb_cpp_diagnostic): ...this, converting level and reason to
90 enums.
91
92 2018-10-09 Tobias Burnus <burnus@net-b.de>
93
94 PR fortran/83522
95 * resolve.c (resolve_ref): Reject nonscalar
96 substring references.
97
98 2018-10-09 Paul Thomas <pault@gcc.gnu.org>
99
100 PR fortran/87151
101 * trans-array.c (gfc_get_array_span): Deal with deferred char
102 array components having a TYPE_MAX_VALUE of zero.
103 (gfc_array_init_size): Use the hidden string length component
104 to build the descriptor dtype.
105 (gfc_array_allocate): Remove the erroneous replacement of the
106 charlen backend decl with a temporary.
107 (gfc_conv_expr_descriptor): Use the ss_info string length in
108 the case of deferred character components.
109 (gfc_alloc_allocatable_for_assignment): Actually compare the
110 string lengths for deferred characters. Make sure that kind > 1
111 is handled correctly. Set the span field of the descriptor.
112 * trans-intrinsic.c (gfc_conv_intrinsic_len): Remove the stupid
113 comment.
114
115 PR fortran/80931
116 * trans-array.c (gfc_array_allocate): Set the span field for
117 variable length character arrays.
118
119 2018-10-08 Cesar Philippidis <cesar@codesourcery.com>
120
121 * expr.c (gfc_check_pointer_assign): Demote "Assignment to
122 contiguous pointer from non-contiguous target" to a warning.
123
124 2018-10-08 Paul Thomas <pault@gcc.gnu.org>
125
126 PR fortran/86372
127 * trans-stmt.c (trans_associate_var): Character associate names
128 with variable string length do not have to be deferred length
129 for the string length to be set, if variable.
130
131 2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org>
132
133 PR fortran/86111
134 * gfortran.h (enum arith): Add ARITH_WRONGCONCAT.
135 * arith.h (gfc_arith_error): Issue error for ARITH_WRONGCONCAT.
136 (gfc_arith_concat): If the types of op1 and op2 are not
137 character of if their kinds do not match, issue ARITH_WRONGCONCAT.
138
139 2018-10-06 Paul Thomas <pault@gcc.gnu.org>
140
141 PR fortran/83999
142 * resolve.c (resolve_fl_procedure): Include class functions in
143 the test that elemental function results be scalar.
144
145 2018-10-06 Thomas Koenig <tkoenig@gcc.gnu.org>
146
147 PR fortran/84640
148 * simplify.c (gfc_simplify_cshift): Extend size of hs_ex and ss_ex
149 by one. Set extents one past the array boundaries to zero to avoid
150 warning with instrumented compiler.
151 (gfc_simplify_eoshift): Likewise, only for ss_ex.
152
153 2018-10-05 Paul Thomas <pault@gcc.gnu.org>
154
155 PR fortran/87487
156 * trans-decl.c (gfc_get_symbol_decl): Make sure that deferred
157 character length pointer initializer has the right type to fix
158 problem with deferred_character_24.f90 on big endian.
159
160 2018-10-03 Jeff Law <law@redhat.comg>
161
162 * trans-types.c (get_typenode_from_name): Moved into gcc/tree.c.
163
164 2018-10-01 Paul Thomas <pault@gcc.gnu.org>
165
166 PR fortran/65677
167 * trans-expr.c (gfc_trans_assignment_1): Set the 'identical'
168 flag in the call to gfc_check_dependency.
169
170 2018-09-30 Paul Thomas <pault@gcc.gnu.org>
171
172 PR fortran/87359
173 * trans-array.c (gfc_is_reallocatable_lhs): Correct the problem
174 introduced by r264358, which prevented components of associate
175 names from being reallocated on assignment.
176
177 2018-09-30 Paul Thomas <pault@gcc.gnu.org>
178
179 PR fortran/70752
180 PR fortran/72709
181 * trans-array.c (gfc_conv_scalarized_array_ref): If this is a
182 deferred type and the info->descriptor is present, use the
183 info->descriptor
184 (gfc_conv_array_ref): Is the se expr is a descriptor type, pass
185 it as 'decl' rather than the symbol backend_decl.
186 (gfc_array_allocate): If the se string_length is a component
187 reference, fix it and use it for the expression string length
188 if the latter is not a variable type. If it is a variable do
189 an assignment. Make use of component ref string lengths to set
190 the descriptor 'span'.
191 (gfc_conv_expr_descriptor): For pointer assignment, do not set
192 the span field if gfc_get_array_span returns zero.
193 * trans.c (get_array_span): If the upper bound a character type
194 is zero, use the descriptor span if available.
195
196 2018-09-30 Paul Thomas <pault@gcc.gnu.org>
197
198 PR fortran/70149
199 * trans-decl.c (gfc_get_symbol_decl): A deferred character
200 length pointer that is initialized needs the string length to
201 be initialized as well.
202
203 2018-09-29 Paul Thomas <pault@gcc.gnu.org>
204
205 PR fortran/65677
206 * trans-expr.c (gfc_trans_assignment_1): If there is dependency
207 fix the rse stringlength.
208
209 2018-09-25 Martin Liska <mliska@suse.cz>
210
211 PR fortran/87394
212 * decl.c (add_hidden_procptr_result): Simplify condition
213 as we are in branch witch 'case1 || case2'.
214
215 2018-09-25 Martin Liska <mliska@suse.cz>
216
217 * trans.c (remove_suffix): Remove
218 unused function.
219
220 2018-09-24 Thomas Koenig <tkoenig@gcc.gnu.org>
221
222 PR fortran/87397
223 * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT)
224 for variables in an associate statement.
225
226 2018-09-24 Bernhard Reuther-Fischer <aldot@gcc.gnu.org>
227 Cesar Philippidis <cesar@codesourcery.com>
228
229 * openmp.c (resolve_oacc_loop_blocks):
230
231 2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org>
232
233 PR fortran/87397
234 * gfc_conv_procedure_call: Do not add clobber on INTENT(OUT)
235 for variables having the dimension attribute.
236
237 2018-09-23 Janne Blomqvist <jb@gcc.gnu.org>
238
239 * trans-expr.c (gfc_caf_get_image_index): Do array index
240 calculations in gfc_array_index_type.
241 * trans-intrinsic.c (conv_intrinsic_event_query): Likewise.
242 * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
243 (gfc_trans_event_post_wait): Likewise.
244
245 2018-09-23 Thomas Koenig <tkoenig@gcc.gnu.org>
246
247 PR fortran/87395
248 * gfc_conv_procedure_call: Reformat comments slightly. Do not add
249 clobber on INTENT(OUT) for saved variables.
250
251 2018-09-22 Thomas Koenig <tkoenig@gcc.gnu.org>
252
253 PR fortran/41453
254 * trans.h (gfc_conv_expr_reference): Add optional argument
255 add_clobber to prototype.
256 (gfc_conv_procedure_call): Set add_clobber argument to
257 gfc_conv_procedure_reference to true for scalar, INTENT(OUT),
258 non-pointer, non-allocatable, non-dummy variables whose type
259 is neither BT_CHARACTER, BT_DERIVED or BT_CLASS, but only if
260 the procedure is not elemental.
261 * trans-expr.c (gfc_conv_procedure_reference): Add clobber
262 statement before call if add_clobber is set.
263
264 2018-09-22 Paul Thomas <pault@gcc.gnu.org>
265
266 PR fortran/85603
267 * trans-array.c (gfc_alloc_allocatable_for_assignment): Test
268 the charlen backend_decl before using the VAR_P macro.
269
270 2018-09-21 Paul Thomas <pault@gcc.gnu.org>
271
272 PR fortran/77325
273 * trans-array.c (gfc_alloc_allocatable_for_assignment): If the
274 rhs has a charlen expression, convert that and use it.
275 * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the
276 assignment of deferred character array vars to a realocatable
277 lhs should not be added to the exterior block since vector
278 indices, for example, generate temporaries indexed within the
279 loop.
280
281 2018-09-21 Paul Thomas <pault@gcc.gnu.org>
282
283 PR fortran/87359
284 * trans-stmt.c (gfc_trans_allocate): Don't deallocate alloc
285 components if must_finalize is set for expr3.
286
287 2018-09-21 Andrew Stubbs <ams@codesourcery.com>
288 Kwok Cheung Yeung <kcy@codesourcery.com>
289
290 * trans-expr.c (gfc_trans_structure_assign): Ensure that the first
291 argument of a call to _gfortran_caf_register is of size_type_node.
292 * trans-intrinsic.c (conv_intrinsic_event_query): Convert computed
293 index to a size_type_node type.
294 * trans-stmt.c (gfc_trans_event_post_wait): Likewise.
295
296 2018-09-20 Allan Sandfeld Jensen <allan.jensen@qt.io>
297
298 * gfortranspec.c (lang_specific_driver): Handle -r like -nostdlib.
299
300 2018-09-20 Janus Weil <janus@gcc.gnu.org>
301
302 * gfortran.h (gfc_str_startswith): New macro.
303 * decl.c (variable_decl, gfc_match_end): Use it.
304 * iresolve.c (is_trig_resolved): Ditto.
305 * module.c (load_omp_udrs, read_module): Ditto.
306 * options.c (gfc_handle_runtime_check_option): Ditto.
307 * primary.c (match_arg_list_function): Ditto.
308 * trans-decl.c (gfc_get_symbol_decl): Ditto.
309 * trans-expr.c (gfc_conv_procedure_call): Ditto.
310 * interface.c (dtio_op): Replace strncmp by strcmp.
311 * resolve.c (resolve_actual_arglist, resolve_function): Ditto.
312 * trans-expr.c (conv_arglist_function): Ditto.
313 * trans-intrinsic.c (gfc_conv_ieee_arithmetic_function): Replace macro
314 STARTS_WITH by gfc_str_startswith.
315
316 2018-09-20 Cesar Philippidis <cesar@codesourcery.com>
317
318 * dump-parse-tree.c (show_omp_clauses): Add missing omp list_types
319 and reorder the switch cases to match the enum in gfortran.h.
320
321 2018-09-19 Paul Thomas <pault@gcc.gnu.org>
322
323 PR fortran/84109
324 * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the
325 assignment of deferred character intrinsic elemental function
326 results to a realocatable lhs must not be added to the exterior
327 block if they are array valued but must go to the loop body.
328
329 2018-09-18 Thomas Koenig <tkoenig@gcc.gnu.org>
330
331 PR fortran/29550
332 * gfortran.h (gfc_expr): Add external_blas flag.
333 * frontend-passes.c (matrix_case): Add case A2TB2T.
334 (optimize_namespace): Handle flag_external_blas by
335 calling call_external_blas.
336 (get_array_inq_function): Add argument okind. If
337 it is nonzero, use it as the kind of argument
338 to be used.
339 (inline_limit_check): Remove m_case argument, add
340 limit argument instead. Remove assert about m_case.
341 Set the limit for inlining from the limit argument.
342 (matmul_lhs_realloc): Handle case A2TB2T.
343 (inline_matmul_assign): Handle inline limit for other cases with
344 two rank-two matrices. Remove no-op calls to inline_limit_check.
345 (call_external_blas): New function.
346 * trans-intrinsic.c (gfc_conv_intrinsic_funcall): Do not add
347 argument to external BLAS if external_blas is already set.
348
349 2018-09-18 Paul Thomas <pault@gcc.gnu.org>
350
351 PR fortran/87239
352 * trans-expr.c (gfc_trans_assignment_1): The rse.pre for the
353 assignment of deferred character elemental function results to
354 a realocatable lhs must not be added to the exterior block but
355 must go to the loop body.
356
357 2018-09-18 Paul Thomas <pault@gcc.gnu.org>
358
359 PR fortran/87336
360 * trans-array.c (gfc_get_array_span): Try to get the element
361 length of incomplete types. Return NULL_TREE otherwise.
362 (gfc_conv_expr_descriptor): Only set the 'span' field if the
363 above does not return NULL_TREE. Set 'span' field if possible
364 for all new descriptors.
365
366 2018-09-17 Paul Thomas <pault@gcc.gnu.org>
367
368 PR fortran/64120
369 * trans-decl.c (gfc_get_symbol_decl): Flag allocatable, scalar
370 characters with a variable length expression for deferred init.
371 (gfc_trans_deferred_vars): Perform the assignment for these
372 symbols by calling gfc_conv_string_length.
373
374 2018-09-17 Paul Thomas <pault@gcc.gnu.org>
375
376 PR fortran/85954
377 * resolve.c (resolve_assoc_var): If the target expression is a
378 deferred charlen dummy and the associate name shares the
379 charlen, generate a new one. Make sure that new charlens are in
380 the namespace list so that they get cleaned up.
381 * trans-array.c (gfc_is_reallocatable_lhs): Associate names are
382 not reallocatable.
383 * trans-decl.c (gfc_get_symbol_decl): Put deferred character
384 length dummy and result arrays on the deferred initialization
385 list so that the variable length arrays can be correctly dealt
386 with.
387 * trans-expr.c (gfc_conv_string_length): Return if 'expr' is
388 NULL rather than ICEing..
389
390 2018-09-16 Janus Weil <janus@gcc.gnu.org>
391
392 PR fortran/86484
393 PR fortran/84543
394 * match.c (gfc_match_assignment): For a polymorphic assignment,
395 make sure that the vtab for the rhs type is generated.
396
397 2018-09-16 Thomas Koenig <tkoenig@gcc.gnu.org>
398
399 PR fortran/37802
400 * frontend-passes.c (B_ERROR): New macro for matmul bounds
401 checking error messages.
402 (C_ERROR): Likewise.
403 (inline_matmul_assign): Reorganize bounds checking, use B_ERROR
404 and C_ERROR macros.
405
406 2018-09-13 Bernd Edlinger <bernd.edlinger@hotmail.de>
407
408 * trans-array.c (gfc_conv_array_initializer): Remove excess precision
409 from overlength string initializers.
410
411 2018-09-12 Paul Thomas <pault@gcc.gnu.org>
412
413 PR fortran/87284
414 * trans-expr.c (gfc_trans_class_init_assign): Access to
415 to array elements of the dynamic type requires that the array
416 reference be added to the class expression and not the _data
417 component, unlike scalar expressions.
418
419 2018-09-11 Janus Weil <janus@gcc.gnu.org>
420
421 PR fortran/87172
422 * resolve.c (resolve_fl_derived): If a type has the 'use_assoc'
423 attribute, then it was declared in another module, so there should be
424 no error that it has not been declared.
425
426 2018-09-11 Paul Thomas <pault@gcc.gnu.org>
427
428 PR fortran/87277
429 * expr.c (is_subref_array): Add the check of dimensionality for
430 class, dummy, pointer arrays.
431
432 2018-09-11 Janus Weil <janus@gcc.gnu.org>
433
434 PR fortran/86830
435 * expr.c (gfc_is_simply_contiguous): Handle type-bound procedure calls
436 with non-polymorphic objects.
437
438 2018-09-10 Janus Weil <janus@gcc.gnu.org>
439
440 PR fortran/85395
441 * decl.c (match_binding_attributes): Use correct default accessibility
442 for procedure pointer components.
443
444 2018-09-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>
445
446 * simplify.c (gfc_simplify_modulo): Re-arrange code to test whether
447 'P' is zero and issue an error if it is.
448
449 2018-08-31 Paul Thomas <pault@gcc.gnu.org>
450
451 PR fortran/86328
452 PR fortran/86760
453 * trans-array.c (gfc_conv_scalarized_array_ref): Do not fix
454 info->descriptor but pass it directly to gfc_build_array_ref.
455 (gfc_conv_array_ref): Likewise for se->expr.
456 * trans.c (gfc_build_array_ref): If 'decl' is a COMPONENT_REF
457 obtain the span field directly from it.
458
459 2017-08-28 Paul Thomas <pault@gcc.gnu.org>
460
461 PR fortran/80477
462 * trans-expr.c (gfc_conv_procedure_call): Allocatable class
463 scalar results being passed to a derived type formal argument
464 are finalized if possible. Otherwise, rely on existing code for
465 deallocation. Make the deallocation of allocatable result
466 components conditional on finalization not taking place. Make
467 the freeing of data components after finalization conditional
468 on the data being NULL.
469 (gfc_trans_arrayfunc_assign): Change the gcc_assert to a
470 condition to return NULL_TREE.
471 (gfc_trans_assignment_1): If the assignment is class to class
472 and the rhs expression must be finalized but the assignment
473 is not marked as a polymorphic assignment, use the vptr copy
474 function instead of gfc_trans_scalar_assign.
475
476 PR fortran/86481
477 * trans-expr.c (gfc_conv_expr_reference): Do not add the post
478 block to the pre block if the expression is to be finalized.
479 * trans-stmt.c (gfc_trans_allocate): If the expr3 must be
480 finalized, load the post block into a finalization block and
481 add it right at the end of the allocation block.
482
483 2018-08-27 David Malcolm <dmalcolm@redhat.com>
484
485 PR 87091
486 * error.c (gfc_format_decoder): Update for conversion of
487 show_caret_p to a tri-state.
488
489 2018-08-25 Janus Weil <janus@gcc.gnu.org>
490
491 PR fortran/86545
492 * resolve.c (resolve_transfer): Correctly determine typespec for
493 generic function calls, in order to throw a proper error.
494
495 2018-08-24 Thomas Koenig <tkoenig@gcc.gnu.org>
496
497 PR fortran/86837
498 * frontend-passes.c (var_in_expr_callback): New function.
499 (var_in_expr): New function.
500 (traverse_io_block): Use var_in_expr instead of
501 gfc_check_dependency for checking if the variable depends on the
502 previous interators.
503
504 2018-08-23 Janne Blomqvist <blomqvist.janne@gmail.com>
505
506 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxval): Delete
507 HONOR_SIGNED_ZEROS checks.
508
509 2018-08-23 Paul Thomas <pault@gcc.gnu.org>
510
511 PR fortran/86863
512 * resolve.c (resolve_typebound_call): If the TBP is not marked
513 as a subroutine, check the specific symbol.
514
515 2018-08-22 Thomas Koenig <tkoenig@gcc.gnu.org>
516
517 * gfortran.texi: Mention that asynchronous I/O does
518 not work on systems which lack condition variables, such
519 as AIX.
520
521 2018-08-22 Janus Weil <janus@gcc.gnu.org>
522
523 PR fortran/86935
524 * match.c (gfc_match_associate): Improve diagnostics for the ASSOCIATE
525 statement.
526
527 2018-08-22 Andrew Benson <abensonca@gmail.com>
528
529 * module.c (load_generic_interfaces): Move call to find_symbol()
530 so that only occurs if actually needed.
531
532 2018-08-22 Janus Weil <janus@gcc.gnu.org>
533
534 PR fortran/86888
535 * decl.c (gfc_match_data_decl): Allow allocatable components of
536 indirectly recursive type.
537 * resolve.c (resolve_component): Remove two errors messages ...
538 (resolve_fl_derived): ... and replace them by a new one.
539
540 2018-08-21 Janne Blomqvist <jb@gcc.gnu.org>
541
542 * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use
543 MAX_EXPR/MIN_EXPR unconditionally for real arguments.
544 * gfortran.texi (Compiler Characteristics): Document MAX/MIN
545 behavior wrt NaN.
546
547 2018-08-21 Nicolas Koenig <koenigni@gcc.gnu.org>
548 Thomas Koenig <tkoenig@gcc.gnu.org>
549
550 PR fortran/25829
551 * gfortran.texi: Add description of asynchronous I/O.
552 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
553 as volatile.
554 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
555 st_wait_async and change argument spec from ".X" to ".w".
556 (gfc_trans_wait): Pass ID argument via reference.
557
558 2018-08-16 Nathan Sidwell <nathan@acm.org>
559
560 * cpp.c (dump_macro): Use cpp_user_macro_p.
561
562 2018-08-14 Janus Weil <janus@gcc.gnu.org>
563
564 PR fortran/86116
565 * interface.c (compare_type): Remove a CLASS/TYPE check.
566 (compare_type_characteristics): New function that behaves like the old
567 'compare_type'.
568 (gfc_check_dummy_characteristics, gfc_check_result_characteristics):
569 Call 'compare_type_characteristics' instead of 'compare_type'.
570
571 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
572
573 PR fortran/66679
574 * trans-intrinsic.c (gfc_conv_intrinsic_transfer): Class array
575 elements are returned as references to the data element. Get
576 the class expression by stripping back the references. Use this
577 for the element size.
578
579 2018-08-12 Paul Thomas <pault@gcc.gnu.org>
580
581 PR fortran/86906
582 * resolve.c (resolve_fl_variable_derived): Check if the derived
583 type is use associated before checking for the host association
584 error.
585
586 2018-08-10 Janus Weil <janus@gcc.gnu.org>
587
588 PR fortran/57160
589 * invoke.texi (frontend-optimize): Mention short-circuiting.
590 * options.c (gfc_post_options): Disable -ffrontend-optimize with -Og.
591 * resolve.c (resolve_operator): Warn about short-circuiting only with
592 -ffrontend-optimize.
593 * trans-expr.c (gfc_conv_expr_op): Use short-circuiting operators only
594 with -ffrontend-optimize. Without that flag, make sure that both
595 operands are evaluated.
596
597 2018-08-08 Nathan Sidwell <nathan@acm.org>
598
599 * cpp.c (cb_file_change): Use linemap_included_from.
600
601 2018-08-07 Cesar Philippidis <cesar@codesourcery.com>
602
603 * trans-stmt.h: Remove stale reference to trans-openacc.c.
604
605 2018-08-04 Janus Weil <janus@gcc.gnu.org>
606
607 PR fortran/45521
608 * interface.c (gfc_compare_interfaces): Apply additional
609 distinguishability criteria of F08 to operator interfaces.
610
611 2018-07-31 Andre Vieira <andre.simoesdiasvieira@arm.com>
612
613 Revert 'AsyncI/O patch committed'
614 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
615 Thomas Koenig <tkoenig@gcc.gnu.org>
616
617 PR fortran/25829
618 * gfortran.texi: Add description of asynchronous I/O.
619 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
620 as volatile.
621 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
622 st_wait_async and change argument spec from ".X" to ".w".
623 (gfc_trans_wait): Pass ID argument via reference.
624
625 2018-07-25 Nicolas Koenig <koenigni@gcc.gnu.org>
626 Thomas Koenig <tkoenig@gcc.gnu.org>
627
628 PR fortran/25829
629 * gfortran.texi: Add description of asynchronous I/O.
630 * trans-decl.c (gfc_finish_var_decl): Treat asynchronous variables
631 as volatile.
632 * trans-io.c (gfc_build_io_library_fndecls): Rename st_wait to
633 st_wait_async and change argument spec from ".X" to ".w".
634 (gfc_trans_wait): Pass ID argument via reference.
635
636 2018-07-20 Martin Sebor <msebor@redhat.com>
637
638 PR middle-end/82063
639 * gfortran.h (gfc_handle_option): Change function argument
640 to HOST_WIDE_INT.
641 * options.c (gfc_handle_option): Same.
642
643 2018-07-20 Andrew Benson <abenson@carnegiescience.edu>
644
645 * gfortran.h (gfc_symbol): Add pointer to next derived type.
646 (gfc_dt_list, gfc_get_dt_list): Remove.
647 (gfc_namespace): Replace gfc_dt_list with gfc_symbol.
648 * parse.c (resolve_all_program_units): Replace gfc_free_dt_list() with
649 simple nullification of gfc_derived_types.
650 * resolve.c (resolve_global_procedure): Replace gfc_dt_list with
651 gfc_symbol.
652 (add_dt_to_dt_list): Change derived type linked list insertion to
653 utilize dt_next pointers in gfc_symbol.
654 * symbol.c (gfc_new_symbol, gfc_free_dt_list, gfc_symbol_done2)
655 (get_iso_c_binding_dt, generate_isocbinding_symbol): Remove
656 gfc_free_dt_list as gfc_dt_list is obsoleted. Change derived type
657 linked list search/insertion to utilize dt_next pointers in gfc_symbol.
658 * trans-types.c (gfc_get_derived_type): Change derived type linked
659 list search to utilize dt_next pointers in gfc_symbol.
660
661 2018-07-19 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
662
663 * trans-intrinsic.c: (gfc_conv_intrinsic_minmax): Emit MIN_MAX_EXPR
664 or IFN_FMIN/FMAX sequence to calculate the min/max when possible.
665
666 2018-07-18 Janus Weil <janus@gcc.gnu.org>
667 Thomas Koenig <tkoenig@gcc.gnu.org>
668
669 PR fortran/85599
670 * dump-parse-tree.c (show_attr): Add handling of implicit_pure.
671 * frontend-passes.c (do_warn_function_elimination): Do not warn for
672 pure functions.
673 * gfortran.h: Add prototypes for gfc_pure_function and
674 gfc_implicit_pure_function.
675 * gfortran.texi: Add chapter on evaluation of logical expressions.
676 * invoke.texi: Mention that -Wfunction-elimination is implied
677 by -Wextra.
678 * lang.opt: Make -Wextra imply -Wfunction-elimination.
679 * resolve.c (pure_function): Rename to gfc_pure_function.
680 (gfc_implicit_pure_function): New function.
681 (check_pure_function): Use it here.
682 (impure_function_callback): New function.
683 (resolve_operator): Call it via gfc_expr_walker.
684
685 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
686
687 PR fortran/83184
688 * decl.c (match_old_style_init): Initialize locus of variable expr when
689 creating a data variable.
690 (match_clist_expr): Verify array is explicit shape/size before
691 attempting to allocate constant array constructor.
692
693 2018-07-16 Fritz Reese <fritzoreese@gmail.com>
694
695 PR fortran/86417
696 * module.c (mio_component): Set component->loc when loading from module.
697
698 2018-07-10 Jakub Jelinek <jakub@redhat.com>
699
700 PR fortran/86421
701 * module.c (omp_declare_simd_clauses): Add LINEAR with _REF, _VAL and
702 _UVAL suffixes.
703 (mio_omp_declare_simd): Save and restore ref, val and uval modifiers
704 on linear clauses. Initialize n->where to gfc_current_locus.
705
706 2018-07-05 Paul Thomas <pault@gcc.gnu.org>
707
708 PR fortran/86408
709 * resolve.c.c (resolve_contained_fntype): Reference to C418 is
710 in F2008 and not F2003.
711 (resolve_function): Ditto in error message. Also, exclude
712 deferred character length results from the error.
713
714 2018-07-05 Fritz Reese <fritzoreese@gmail.com>
715
716 PR fortran/83183
717 PR fortran/86325
718 * expr.c (class_allocatable, class_pointer, comp_allocatable,
719 comp_pointer): New helpers.
720 (component_initializer): Generate EXPR_NULL for allocatable or pointer
721 components. Do not generate initializers for components within BT_CLASS.
722 Do not assign to comp->initializer.
723 (gfc_generate_initializer): Use new helpers; move code to generate
724 EXPR_NULL for class allocatable components into component_initializer().
725
726 2018-07-04 Jerry DeLisle <jvdelisle@gcc.gnu.org>
727
728 PR fortran/82009
729 * trans-decl.c (gfc_process_block_locals): Delete assert and set
730 saved_local_decls = NULL_TREE.
731
732 2018-07-02 Richard Biener <rguenther@suse.de>
733
734 PR lto/86321
735 * trans-types.c (gfc_get_array_type_bounds): Unshare TYPE_FIELDs
736 for the distinct type copy.
737
738 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
739
740 PR fortran/82969
741 PR fortran/86242
742 * trans-array.c (structure_alloc_comps): Do not explicitly copy
743 procedure pointer components.
744
745 2018-07-02 Paul Thomas <pault@gcc.gnu.org>
746
747 PR fortran/45305
748 * expr.c : Add a prototype for scalarize_intrinsic_call.
749 (gfc_simplify_expr): Use scalarize_intrinsic_call for elemental
750 intrinsic function calls.
751 (scalarize_intrinsic_call): Add 'init_flag' argument. Check if
752 the expression or any of the actual argument expressions are
753 NULL. Before calling gfc_check_init_expr, check 'init_flag'.
754 Only simplify the scalarized expressions if there are no errors
755 on the stack.
756 (gfc_check_init_expr): Set 'init_flag' true in the call to
757 scalarize_intrinsic_call.
758
759 2018-06-28 Fritz Reese <fritzoreese@gmail.com>
760
761 PR fortran/82865
762 * decl.c (gfc_match_type): Refactor and check for PDT declarations.
763
764 2018-06-28 Martin Liska <mliska@suse.cz>
765
766 * gfortranspec.c: Include opt-suggestions.h.
767
768 2018-06-25 Fritz Reese <fritzoreese@gmail.com>
769
770 PR fortran/82972
771 PR fortran/83088
772 PR fortran/85851
773 * expr.c (component_initializer): Assign init expr to c->initializer.
774 (generate_isocbinding_initializer): New.
775 (gfc_generate_initializer): Call generate_isocbinding_initializer to
776 generate initializers for c_ptr and c_funptr with -finit-derived.
777
778 2018-06-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
779
780 PR fortran/85983
781 * interface.c (check_dtio_interface1): Delete assert.
782
783 2018-06-22 Paul Thomas <pault@gcc.gnu.org>
784 Rainer Orth <ro@gcc.gnu.org>
785
786 PR fortran/86281
787 * resolve.c (resolve_contained_fntype): Check for the charlen
788 before testing the length.
789
790 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
791
792 PR fortran/49630
793 * resolve.c (resolve_contained_fntype): Change standard ref.
794 from F95 to F2003: C418. Correct a spelling error in a comment.
795 It is an error for an abstract interface to have an assumed
796 character length result.
797 * trans-expr.c (gfc_conv_procedure_call): Likewise change the
798 standard reference.
799
800 2018-06-21 Paul Thomas <pault@gcc.gnu.org>
801
802 PR fortran/83118
803 * resolve.c (resolve_ordinary_assign): Force the creation of a
804 vtable for assignment of non-polymorphic expressions to an
805 unlimited polymorphic object.
806 * trans-array.c (gfc_alloc_allocatable_for_assignment): Use the
807 size of the rhs type for such assignments. Set the dtype, _len
808 and vptrs appropriately.
809 * trans-expr.c (gfc_trans_assignment): Force the use of the
810 _copy function for these assignments.
811
812 2018-06-20 Chung-Lin Tang <cltang@codesourcery.com>
813 Thomas Schwinge <thomas@codesourcery.com>
814 Cesar Philippidis <cesar@codesourcery.com>
815
816 * gfortran.h (gfc_omp_clauses): Add unsigned if_present, finalize
817 bitfields.
818 * openmp.c (enum omp_mask2): Remove OMP_CLAUSE_PRESENT_OR_*. Add
819 OMP_CLAUSE_{IF_PRESENT,FINALIZE}.
820 (gfc_match_omp_clauses): Update handling of copy, copyin, copyout,
821 create, deviceptr, present_of_*. Add support for finalize and
822 if_present.
823 (OACC_PARALLEL_CLAUSES): Remove PRESENT_OR_* clauses.
824 (OACC_KERNELS_CLAUSES): Likewise.
825 (OACC_DATA_CLAUSES): Likewise.
826 (OACC_DECLARE_CLAUSES): Likewise.
827 (OACC_UPDATE_CLAUSES): Add IF_PRESENT clause.
828 (OACC_ENTER_DATA_CLAUSES): Remove PRESENT_OR_* clauses.
829 (OACC_EXIT_DATA_CLAUSES): Add FINALIZE clause.
830 (gfc_match_oacc_declare): Update to OpenACC 2.5 semantics.
831 * trans-openmp.c (gfc_trans_omp_clauses): Add support for IF_PRESENT
832 and FINALIZE.
833
834 2018-06-18 Eric Botcazou <ebotcazou@adacore.com>
835
836 * trans-decl.c (gfc_get_fake_result_decl): Revert latest change.
837
838 2018-06-17 Eric Botcazou <ebotcazou@adacore.com>
839
840 * trans-decl.c (nonlocal_dummy_decl_pset): Delete.
841 (nonlocal_dummy_decls): Likewise.
842 (gfc_nonlocal_dummy_array_decl): Likewise.
843 (gfc_get_symbol_decl): Do not call gfc_nonlocal_dummy_array_decl.
844 (gfc_get_fake_result_decl): Do not generate a new DECL if simply
845 reusing the result of a recursive call.
846 (gfc_generate_function_code): Do not create, insert and destroy
847 nonlocal_dummy_decls.
848
849 2018-06-13 Steven G. Kargl <kargl@gcc.gnu.org>
850
851 PR fortran/86110
852 * array.c (gfc_resolve_character_array_constructor): Avoid NULL
853 pointer dereference.
854
855 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
856
857 PR fortran/85703
858 * parse.c (decode_oacc_directive): Set gfc_matching_function
859 to false.
860 (decode_omp_directive): Likewise.
861
862 2018-06-13 Cesar Philippidis <cesar@codesourcery.com>
863
864 PR fortran/85702
865 * openmp.c (gfc_match_oacc_wait): Use %C to report error location.
866
867 2018-06-12 David Malcolm <dmalcolm@redhat.com>
868
869 PR other/69968
870 * misc.c (gfc_closest_fuzzy_match): Update for renaming of
871 levenshtein_distance to get_edit_distance.
872
873 2018-06-12 Steven G. Kargl <kargl@gcc.gnu.org>
874
875 PR fortran/44491
876 * expr.c (gfc_check_assign): Select non-NULL locus.
877
878 2018-06-11 Janus Weil <janus@gcc.gnu.org>
879
880 PR fortran/45521
881 * interface.c (compare_ptr_alloc): New function.
882 (generic_correspondence): Call it.
883
884 2018-06-10 Thomas Koenig <tkoenig@gcc.gnu.org>
885
886 * gfortran.h (gfc_expr): Add no_bounds_check field.
887 * frontend-passes.c (get_array_inq_function): Set no_bounds_check
888 on function and function argument.
889 (inline_matmul_assign): Set no_bounds_check on zero expression
890 and on lhs of zero expression.
891 Also handle A1B2 case if realloc on assigment is active.
892 * trans-array.c (gfc_conv_array_ref): Don't do range checking
893 if expr has no_bounds_check set.
894 (gfc_conv_expr_descriptor): Set no_bounds_check on ss if expr
895 has it set.
896 * trans-expr.c (gfc_trans_assignment_1): Set no_bounds_check
897 on lss and lss if the corresponding expressions have it set.
898
899 2018-06-10 Dominique d'Humieres <dominiq@gcc.gnu.org>
900
901 PR fortran/79854
902 * trans-const.c: Remove include "diagnostic-core.h".
903 (gfc_conv_constant_to_tree): Replace fatal_error with gcc_unreachable.
904
905 2018-06-10 Janus Weil <janus@gcc.gnu.org>
906
907 PR fortran/85088
908 * decl.c (match_attr_spec): Synchronize the DECL_* enum values with the
909 INTENT_* values from the enum 'sym_intent'. Call 'match_intent_spec'
910 and remove a TODO note.
911 * gfortran.h: Add a comment to sym_intent.
912
913 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
914
915 PR fortran/38351
916 * resolve.c (resolve_operator): Provide better error message for
917 derived type entity used in an binary intrinsic numeric operator.
918
919 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
920
921 PR fortran/85138
922 PR fortran/85996
923 PR fortran/86051
924 * decl.c (gfc_match_char_spec): Use private namespace in attempt to
925 reduce a charlen to a constant.
926
927 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
928
929 PR fortran/78278
930 * data.c (gfc_assign_data_value): Re-arrange code to allow for
931 an error for double initialization of CHARACTER entities.
932
933 2018-06-09 Steven G. Kargl <kargl@gcc.gnu.org>
934
935 PR fortran/63514
936 * symbol.c (gfc_add_volatile): Enforce F2008:C1282 and F2018:C1588.
937
938 2018-06-08 Thomas Koenig <tkoenig@gcc.gnu.org>
939
940 PR fortran/85631
941 * trans.h (gfc_ss): Add field no_bounds_check.
942 * trans-array.c (gfc_conv_ss_startstride): If flag_realloc_lhs and
943 ss->no_bounds_check is set, do not use runtime checks.
944 * trans-expr.c (gfc_trans_assignment_1): Set lss->no_bounds_check
945 for reallocatable lhs.
946
947 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
948
949 PR fortran/86059
950 * array.c (match_array_cons_element): NULL() cannot be in an
951 array constructor.
952
953 2018-06-08 Steven G. Kargl <kargl@gcc.gnu.org>
954
955 PR fortran/78571
956 * data.c (create_character_initializer): Return early if type is
957 incompatible with CHARACTER.
958
959 2018-06-07 Steven G. Kargl <kargl@gcc.gnu.org>
960
961 PR fortran/86045
962 * simplify.c (gfc_simplify_mod): Re-arrange code to test whether
963 'P' is zero and issue an error if it is.
964
965 2018-06-06 Thomas Koenig <tkoenig@gcc.gnu.org>
966
967 PR fortran/85641
968 * frontend-passes.c (is_fe_temp): Add prototype.
969 (realloc_string_callback): Early return for frontend-generated
970 temporary.
971
972 2018-06-05 Cesar Philippidis <cesar@codesourcery.com>
973
974 PR fortran/85701
975
976 * openmp.c (gfc_resolve_oacc_declare): Error on functions and
977 subroutine data clause arguments.
978
979 2018-06-04 Steven G. Kargl <kargl@gcc.gnu.org>
980
981 PR fortran/85981
982 * resolve.c (resolve_allocate_deallocate): Check errmsg is default
983 character kind.
984
985 2018-06-03 Paul Thomas <pault@gcc.gnu.org>
986
987 PR fortran/36497
988 * decl.c (variable_decl): Use gfc_add_type for cray pointees.
989
990 2018-06-01 Steven G. Kargl <kargl@gcc.gnu.org>
991
992 PR fortran/63570
993 * check.c (gfc_check_random_init): New function. Check arguments of
994 RANDOM_INIT.
995 * gfortran.h (GFC_ISYM_RANDOM_INIT): New enum token.
996 * intrinsic.c (add_subroutines): Add RANDOM_INIT to list of
997 subroutines.
998 (gfc_check_intrinsic_standard): Introduce Fortran 2018 check.
999 * intrinsic.h: Add prototypes for gfc_check_random_init and
1000 gfc_resolve_random_init
1001 * intrinsic.texi: Document new intrinsic subprogram.
1002 * iresolve.c (gfc_resolve_random_init): Resolve routine name.
1003 * trans-decl.c: Declare gfor_fndecl_random_init
1004 * trans-intrinsic.c (conv_intrinsic_random_init): New function.
1005 Translate call to RANDOM_INIT.
1006 (gfc_conv_intrinsic_subroutine): Call it.
1007 * trans.h: Declare gfor_fndecl_random_init
1008
1009 2018-05-27 Steven G. Kargl <kargl@gcc.gnu.org>
1010
1011 * decl.c (match_data_constant): Fortran 2018 allows pointer
1012 initialization in a data statement.
1013
1014 2018-05-25 Janus Weil <janus@gcc.gnu.org>
1015
1016 PR fortran/85839
1017 * match.c (gfc_match_block_data): Call gfc_notify_std to warn about
1018 an obsolescent feature in Fortran 2018.
1019 (gfc_match_equivalence): Ditto.
1020 * resolve.c (resolve_common_blocks): Ditto.
1021 (gfc_resolve_forall): Ditto.
1022 * symbol.c (gfc_define_st_label): Ditto.
1023
1024 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
1025
1026 PR fortran/85543
1027 * resolve.c (update_current_proc_array_outer_dependency): Avoid NULL
1028 pointer dereference.
1029
1030 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
1031
1032 PR fortran/85780
1033 * resolve.c (resolve_fl_procedure): Avoid NULL dereference.
1034
1035 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
1036
1037 PR fortran/85779
1038 * decl.c (gfc_match_derived_decl): Fix NULL point dereference.
1039
1040 2018-05-24 Steven G. Kargl <kargl@gcc.gnu.org>
1041
1042 PR fortran/85895
1043 * resolve.c (resolve_sync): Resolve expression before checking for
1044 an error.
1045
1046 2018-05-22 Janus Weil <janus@gcc.gnu.org>
1047
1048 PR fortran/85841
1049 * libgfortran.h: Remove the macros GFC_STD_F2008_TS and
1050 GFC_STD_OPT_F08TS.
1051 * error.c (notify_std_msg): Remove GFC_STD_F2008_TS.
1052 * options.c (set_default_std_flags): Ditto.
1053 (gfc_handle_option): Make -std=f2008ts an alias for -std=f2018.
1054 * array.c (gfc_match_array_spec): Replace GFC_STD_F2008_TS by
1055 GFC_STD_F2018.
1056 * check.c (gfc_check_atomic, gfc_check_event_query,
1057 gfc_check_c_f_pointer, gfc_check_c_f_procpointer, gfc_check_c_funloc,
1058 gfc_check_c_loc, gfc_check_num_images, gfc_check_this_image): Ditto.
1059 * decl.c (gfc_verify_c_interop_param, gfc_match_decl_type_spec): Ditto.
1060 * intrinsic.c (add_functions, add_subroutines,
1061 gfc_check_intrinsic_standard): Ditto.
1062 * iso-c-binding.def: Ditto.
1063 * iso-fortran-env.def: Ditto.
1064 * match.c (gfc_match_event_post, gfc_match_event_wait,
1065 gfc_match_fail_image, gfc_match_form_team, gfc_match_change_team,
1066 gfc_match_end_team, gfc_match_sync_team): Ditto.
1067 * gfortran.texi: Remove mention of -std=f2008ts.
1068 Move TSs into F2018 section.
1069 * invoke.texi: Update documentation of -std=f2008ts.
1070
1071 2018-05-21 Janus Weil <janus@gcc.gnu.org>
1072
1073 PR fortran/85841
1074 * libgfortran.h: New macros GFC_STD_OPT_*.
1075 * error.c (notify_std_msg): New function.
1076 (gfc_notify_std): Adjust such that it can handle combinations of
1077 GFC_STD_* flags in the 'std' argument, not just a single one.
1078 * match.c (match_arithmetic_if, gfc_match_if): Reject arithmetic if
1079 in Fortran 2018.
1080 (gfc_match_stopcode): Use GFC_STD_OPT_* macros.
1081 * options.c (set_default_std_flags): Warn for F2018 deleted features
1082 by default.
1083 (gfc_handle_option): F2018 deleted features are allowed in earlier
1084 standards.
1085 * symbol.c (gfc_define_st_label, gfc_reference_st_label): Reject
1086 nonblock do constructs in Fortran 2018.
1087
1088 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
1089
1090 PR fortran/80657
1091 * resolve.c (flag_fn_result_spec): Use the 'sym' argument to
1092 test for self refs to the function result in the character len
1093 expression. If a self reference is found, emit an error and
1094 return true.
1095 (resolve_fntype): Use the function symbol in the calls to the
1096 above.
1097
1098 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
1099
1100 PR fortran/49636
1101 * trans-array.c (gfc_get_array_span): Renamed from
1102 'get_array_span'.
1103 (gfc_conv_expr_descriptor): Change references to above.
1104 * trans-array.h : Add prototype for 'gfc_get_array_span'.
1105 * trans-intrinsic.c (gfc_conv_associated): Add pre and post
1106 blocks for 'arg1'.
1107 * trans-stmt.c (trans_associate_var): If the associate name is
1108 a subref array pointer, use gfc_get_array_span for the span.
1109
1110 2018-05-20 Paul Thomas <pault@gcc.gnu.org>
1111
1112 PR fortran/82275
1113 * match.c (gfc_match_type_spec): Go through the array ref and
1114 decrement 'rank' for every dimension that is an element.
1115
1116 2018-05-19 Paul Thomas <pault@gcc.gnu.org>
1117
1118 PR fortran/82923
1119 PR fortran/66694
1120 PR fortran/82617
1121 * trans-array.c (gfc_alloc_allocatable_for_assignment): Set the
1122 charlen backend_decl of the rhs expr to ss->info->string_length
1123 so that the value in the current scope is used.
1124
1125 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
1126
1127 PR fortran/63529
1128 * gfortran.texi: Clarify documentation for Cray pointer and
1129 assumed-sized array.
1130
1131 2018-05-13 Paul Thomas <pault@gcc.gnu.org>
1132
1133 PR fortran/85742
1134 * trans-types.c (gfc_get_dtype_rank_type): Reorder evaluation
1135 of 'size'. If the element type is a pointer use the size of the
1136 TREE_TYPE of the type, unless it is VOID_TYPE. In this latter
1137 case, set the size to zero.
1138
1139 2018-05-13 Steven G. Kargl <kargl@gcc.gnu.org>
1140
1141 * gfortran.h: Remove prototype.
1142 * symbol.c (gfc_new_undo_checkpoint): Remove unused function.
1143
1144 2018-05-11 Steven G. Kargl <kargl@gcc.gnu.org>
1145
1146 PR fortran/85542
1147 * expr.c (check_inquiry): Avoid NULL pointer dereference.
1148
1149 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
1150
1151 PR fortran/85687
1152 * check.c (gfc_check_rank): Check that the argument is a data object.
1153
1154 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
1155
1156 PR fortran/85521
1157 * array.c (gfc_resolve_character_array_constructor): Substrings
1158 with upper bound smaller than lower bound are zero length strings.
1159
1160 2018-05-10 Steven G. Kargl <kargl@gcc.gnu.org>
1161
1162 PR fortran/70870
1163 * data.c (gfc_assign_data_value): Check that a data object does
1164 not also have default initialization.
1165
1166 2018-05-10 Marek Polacek <polacek@redhat.com>
1167
1168 PR fortran/85735
1169 * options.c (gfc_post_options): Set main_input_filename.
1170
1171 2018-05-10 Thomas Koenig <tkoenig@gcc.gnu.org>
1172
1173 PR fortran/54613
1174 * intrinsic.texi: Document BACK for MINLOC and MAXLOC.
1175
1176 2018-05-10 Paul Thomas <pault@gcc.gnu.org>
1177
1178 PR fortran/68846
1179 PR fortran/70864
1180 * resolve.c (get_temp_from_expr): The temporary must not have
1181 dummy or intent attributes.
1182
1183 2018-05-08 Thomas Koenig <tkoenig@gcc.gnu.org>
1184
1185 PR fortran/54613
1186 * check.c (gfc_check_minmaxloc): Remove error for BACK not being
1187 implemented. Use gfc_logical_4_kind for BACK.
1188 * simplify.c (min_max_choose): Add optional argument back_val.
1189 Handle it.
1190 (simplify_minmaxloc_to_scalar): Add argument back_val. Pass
1191 back_val to min_max_choose.
1192 (simplify_minmaxloc_to_nodim): Likewise.
1193 (simplify_minmaxloc_to_array): Likewise.
1194 (gfc_simplify_minmaxloc): Add argument back, handle it.
1195 Pass back_val to specific simplification functions.
1196 (gfc_simplify_minloc): Remove ATTRIBUTE_UNUSED from argument back,
1197 pass it on to gfc_simplify_minmaxloc.
1198 (gfc_simplify_maxloc): Likewise.
1199 * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Adjust
1200 comment. If BACK is true, use greater or equal (or lesser or
1201 equal) insteal of greater (or lesser). Mark the condition of
1202 having found a value which exceeds the limit as unlikely.
1203
1204 2018-05-07 Jeff Law <law@redhat.comg>
1205
1206 * scanner.c (preprocessor_line): Call linemap_add after a line
1207 directive that changes the current filename.
1208
1209 2018-05-06 Andre Vehreschild <vehre@gcc.gnu.org>
1210
1211 PR fortran/85507
1212 * dependency.c (gfc_dep_resolver): Revert looking at coarray dimension
1213 introduced by r259385.
1214 * trans-intrinsic.c (conv_caf_send): Always report a dependency for
1215 same variables in coarray assignments.
1216
1217 2018-05-02 Tom de Vries <tom@codesourcery.com>
1218
1219 PR libgomp/82428
1220 * f95-lang.c (DEF_GOACC_BUILTIN_ONLY): Define.
1221
1222 2018-04-24 Steven G. Kargl <kargl@gcc.gnu.org>
1223
1224 PR fortran/85520
1225 * decl.c (gfc_match_char_spec): Check for negative length and set to 0.
1226
1227 2018-04-14 Andre Vehreschild <vehre@gcc.gnu.org>
1228
1229 PR fortran/81773
1230 PR fortran/83606
1231 * dependency.c (gfc_dep_resolver): Coarray indexes are to be ignored
1232 during dependency computation. They define no data dependency.
1233 * trans-array.c (conv_array_index_offset): The stride can not be set
1234 here, prevent fail.
1235 * trans-intrinsic.c (conv_caf_send): Add creation of temporary array
1236 for caf_get's result and copying to the array with vectorial
1237 indexing.
1238
1239 2018-04-14 Thomas Koenig <tkoenig@gcc.gnu.org>
1240
1241 PR fortran/85387
1242 * frontend-passes.c (traverse_io_block): Check for start, end or
1243 stride being defined by an outer implied DO loop.
1244
1245 2018-04-12 Thomas Koenig <tkoenig@gcc.gnu.org>
1246
1247 PR fortran/83064
1248 PR testsuite/85346
1249 * trans-stmt.c (gfc_trans_forall_loop): Use annot_expr_ivdep_kind
1250 for annotation and remove dependence on -ftree-parallelize-loops.
1251
1252 2018-04-10 Jakub Jelinek <jakub@redhat.com>
1253
1254 PR fortran/85313
1255 * openmp.c (resolve_omp_do): Remove bogus if (j < i) break;.
1256 (resolve_oacc_nested_loops): Likewise. Formatting fix.
1257
1258 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
1259
1260 PR fortran/83064
1261 * trans-stmt.c (gfc_trans_forall_loop): Remove annotation for
1262 parallell processing of DO CONCURRENT -ftree-parallelize-loops
1263 is set.
1264
1265 2018-04-09 Thomas Koenig <tkoenig@gcc.gnu.org>
1266
1267 PR fortran/51260
1268 * resolve.c (resolve_variable): Simplify cases where access to a
1269 parameter array results in a single constant.
1270
1271 2018-04-02 Thomas Koenig <tkoenig@gcc.gnu.org>
1272
1273 PR fortran/85102
1274 * decl.c (variable_decl): If upper or lower bounds simplify
1275 to a constant, use that.
1276
1277 2018-03-30 Paul Thomas <pault@gcc.gnu.org>
1278
1279 PR fortran/84931
1280 * simplify.c (gfc_convert_constant): Handle case of array
1281 constructors within an array that has no iterator and improve
1282 the conciseness of this section of code.
1283
1284 2017-03-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1285
1286 PR fortran/85111
1287 * array.c (gfc_resolve_character_array_constructor): Early
1288 exit for zero-size arrays.
1289 * simplify.c (simplify_transformation_to_array): Exit early
1290 if the result size is zero.
1291 (simplify_minmaxloc_to_array): Likewise.
1292
1293 2018-03-28 Mikael Morin <mikael@gcc.gnu.org>
1294
1295 PR fortran/69497
1296 * symbol.c (gfc_symbol_done_2): Start freeing namespaces
1297 from the root.
1298 (gfc_free_namespace): Restore assert (revert r258839).
1299
1300 2018-03-28 Jakub Jelinek <jakub@redhat.com>
1301
1302 * gfortran.h (gfc_dt): Rename default_exp field to dec_ext.
1303 * ioparm.def (IOPARM_dt_default_exp): Rename to ...
1304 (IOPARM_dt_dec_ext): ... this.
1305 * trans-io.c (build_dt): Adjust for default_exp renaming to
1306 dec_ext and IOPARM_dt_default_exp renaming to IOPARM_dt_dec_ext.
1307 * io.c (match_io): Likewise.
1308
1309 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
1310
1311 PR fortran/85084
1312 * frontend-passes.c (gfc_run_passes): Do not run front-end
1313 optimizations if a previous error occurred.
1314
1315 2018-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
1316 Harald Anlauf <anlauf@gmx.de>
1317
1318 PR fortran/85083
1319 * primary.c (gfc_convert_to_structure_constructor): Check
1320 conformance of argument types in structure constructor.
1321
1322 2018-03-26 Thomas Koenig <tkoenig@gcc.gnu.org>
1323
1324 PR fortran/66709
1325 * io.c: Include constructor.h.
1326 (resolve_tag_format): For a constant character array, concatenate
1327 into a single character expression.
1328
1329 2018-03-25 Seth Johnson <johnsonsr@ornl.gov>
1330 Dominique d'Humieres <dominiq@gcc.gnu.org>
1331
1332 PR fortran/84924
1333 * check.c (gfc_check_c_f_pointer): Allow scalar noninteroperable
1334 scalar derived type with -std=f2003 and -std=f2008.
1335
1336 2018-03-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1337 Dominique d'Humieres <dominiq@gcc.gnu.org>
1338
1339 PR fortran/69497
1340 * symbol.c (gfc_free_namespace): Delete the assert and only if
1341 refs count is equals zero, free the namespace. Otherwise,
1342 something is halfway and other errors will resound.
1343
1344 2018-03-24 Thomas Koenig <tkoenig@gcc.gnu.org>
1345
1346 PR fortran/70068
1347 * expr.c (find_substring_ref): Change types of start, end
1348 and length variables to gfc_charlen_t. Set length to zero
1349 for empty substring.
1350
1351 2018-03-24 Steven G. Kargl <kargl@gcc.gnu.org>
1352
1353 PR fortran/42651
1354 * decl.c (check_function_name): Improved error message
1355 (gfc_match_volatile, gfc_match_asynchronous) Use check_function_name.
1356
1357 2018-03-22 Steven G. Kargl <kargl@gcc.gnu.org>
1358
1359 PR fortran/84922
1360 * decl.c (get_proc_name): If the MODULE prefix appears in interface
1361 body, then it must appear on the contained subroutine or function.
1362 While here, fix nearby mis-indented code.
1363
1364 2018-03-21 Thomas Koenig <tkoenig@gcc.gnu.org>
1365 Harald Anlauf <anlauf@gmx.de>
1366
1367 PR fortran/84957
1368 * trans-types.c (gfc_sym_type): Do not dereference NULL pointer.
1369
1370 2018-03-21 Janne Blomqvist <jb@gcc.gnu.org>
1371
1372 PR fortran/84615
1373 * trans-expr.c (gfc_conv_procedure_call): Convert charlen to
1374 gfc_charlen_type_node when calling procedure.
1375
1376 2018-03-20 Steven G. Kargl <kargl@gcc.gnu.org>
1377
1378 PR fortran/85001
1379 * interface.c (symbol_rank): Remove bogus null pointer check that
1380 crept in when translating a ternary operator into an if-else
1381 constructor.
1382
1383 2018-03-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1384
1385 PR fortran/84931
1386 * simplify.c (gfc_convert_constant): Correctly handle iterators
1387 for type conversion.
1388
1389 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
1390
1391 PR fortran/77414
1392 * decl.c (get_proc_name): Check for a subroutine re-defined in
1393 the contain portion of a subroutine. Change language of existing
1394 error message to better describe the issue. While here fix whitespace
1395 issues.
1396
1397 2018-03-18 Steven G. Kargl <kargl@gcc.gnu.org>
1398
1399 PR fortran/65453
1400 * decl.c (get_proc_name): Catch clash between a procedure statement
1401 and a contained subprogram
1402
1403 2018-03-16 Steven G. Kargl <kargl@gcc.gnu.org>
1404
1405 PR fortran/69395
1406 * decl.c (merge_array_spec): Correct the error condition.
1407
1408 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
1409
1410 PR fortran/78741
1411 * decl.c (get_proc_name): Check for clash of entry name with
1412 subroutine name.
1413
1414 2018-03-15 Steven G. Kargl <kargl@gcc.gnu.org>
1415
1416 PR fortran/69395
1417 * decl.c (merge_array_spec): Limit the merging to maximum allowed
1418 dimensions, and issue error message if limit is exceeded.
1419
1420 2018-03-13 Steven G. Kargl <kargl@gcc.gnu.org>
1421
1422 * check.c (gfc_check_kill_sub): Remove check for INTEGER(4) or (8).
1423 * intrinsic.c (add_functions): Remove reference to gfc_resolve_kill.
1424 (add_subroutines): Remove reference to gfc_resolve_kill_sub.
1425 * intrinsic.texi: Update documentation.
1426 * iresolve.c (gfc_resolve_kill, gfc_resolve_kill_sub): Remove.
1427 * trans-decl.c (gfc_build_intrinsic_function_decls): Add
1428 gfor_fndecl_kill and gfor_fndecl_kill_sub
1429 * trans-intrinsic.c (conv_intrinsic_kill, conv_intrinsic_kill_sub): new
1430 functions.
1431 (gfc_conv_intrinsic_function): Use conv_intrinsic_kill.
1432 (gfc_conv_intrinsic_subroutine): Use conv_intrinsic_kill_sub.
1433 * trans.h: Declare gfor_fndecl_kill and gfor_fndecl_kill_sub.
1434
1435 2018-03-11 Paul Thomas <pault@gcc.gnu.org>
1436
1437 PR fortran/84546
1438 * trans-array.c (structure_alloc_comps): Make sure that the
1439 vptr is copied and that the unlimited polymorphic _len is used
1440 to compute the size to be allocated.
1441 * trans-expr.c (gfc_get_class_array_ref): If unlimited, use the
1442 unlimited polymorphic _len for the offset to the element.
1443 (gfc_copy_class_to_class): Set the new 'unlimited' argument.
1444 * trans.h : Add the boolean 'unlimited' to the prototype.
1445
1446 2018-03-11 Steven G. Kargl <kargl@gcc.gnu.org>
1447
1448 PR fortran/83939
1449 * resolve.c (resolve_fl_procedure): Enforce F2018:C15100.
1450
1451 2018-03-11 Steven G. Kargl <kargls@gcc.gnu.org>
1452
1453 * check.c (gfc_check_kill): Check pid and sig are scalar.
1454 (gfc_check_kill_sub): Restrict kind to 4 and 8.
1455 * intrinsic.c (add_function): Sort keyword list. Add pid and sig
1456 keywords for KILL. Remove redundant *back="back" in favor of the
1457 original *bck="back".
1458 (add_subroutines): Sort keyword list. Add pid and sig keywords
1459 for KILL.
1460 * intrinsic.texi: Fix documentation to consistently use pid and sig.
1461 * iresolve.c (gfc_resolve_kill): Kind can only be 4 or 8. Choose the
1462 correct function.
1463 (gfc_resolve_rename_sub): Add comment.
1464
1465 2018-03-11 Thomas Koenig <tkoenig@gcc.gnu.org>
1466
1467 PR fortran/66128
1468 * simplify.c (simplify_transformation): Return default result for
1469 empty array argument.
1470 (gfc_simplify_all): Remove special-case handling for zerosize.
1471 (gfc_simplify_any): Likewise.
1472 (gfc_simplify_count): Likewise.
1473 (gfc_simplify_iall): Likewise.
1474 (gfc_simplify_iany): Likewise.
1475 (gfc_simplify_iparity): Likewise.
1476 (gfc_simplify_minval): Likewise.
1477 (gfc_simplify_maxval): Likewise.
1478 (gfc_simplify_norm2): Likewise.
1479 (gfc_simplify_product): Likewise.
1480 (gfc_simplify_sum): Likewise.
1481
1482 2018-03-10 Steven G. Kargl <kargl@gcc.gnu.org>
1483
1484 PR fortran/84734
1485 * arith.c (check_result, eval_intrinsic): If result overflows, pass
1486 the expression up the chain instead of a NULL pointer.
1487
1488 2018-03-07 Steven G. Kargl <kargl@gcc.gnu.org>
1489
1490 PR fortran/64124
1491 PR fortran/70409
1492 * decl.c (gfc_match_char_spec): Try to reduce a charlen to a constant.
1493
1494 2017-03-06 Thomas Koenig <tkoenig@gcc.gnu.org>
1495
1496 PR fortran/84697
1497 PR fortran/66128
1498 * expr.c (simplify_parameter_variable): If p is a size zero array
1499 and not an ARRAY_EXPR insert an empty array constructor and
1500 return.
1501 * gfortran.h: Add prototype for gfc_is_size_zero_array.
1502 * simplify.c (is_size_zero_array): Make non-static and rename into
1503 (gfc_is_size_zero_array): Check for parameter arrays of zero
1504 size by comparing shape and absence of constructor.
1505 (gfc_simplify_all): Use gfc_is_size_zero_array instead of
1506 is_size_zero_array.
1507 (gfc_simplify_count): Likewise.
1508 (gfc_simplify_iall): Likewise.
1509 (gfc_simplify_iany): Likewise.
1510 (gfc_simplify_iparity): Likewise.
1511 (gfc_simplify_minval): Likewise.
1512 (gfc_simplify_maxval): Likewise.
1513 (gfc_simplify_product): Likewise.
1514 (gfc_simplify_sum): Likewise.
1515
1516 2018-03-06 Steven G. Kargl <kargl@gcc.gnu.org>
1517
1518 PR fortran/56667
1519 * primary.c (match_sym_complex_part): Give the matcher for an implied
1520 do-loop a chance to run.
1521
1522 2018-03-03 Harald Anlauf <anlauf@gmx.de>
1523
1524 PR fortran/71085
1525 * trans-expr.c (gfc_apply_interface_mapping_to_expr): Do not
1526 dereference NULL pointer.
1527
1528 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1529
1530 PR fortran/66128
1531 * simplify.c (is_size_zero_array): New function to check for size
1532 zero array.
1533 (gfc_simplify_all, gfc_simplify_any, gfc_simplify_count,
1534 gfc_simplify_iall, gfc_simplify_iany, gfc_simplify_iparity,
1535 gfc_simplify_minval, gfc_simplify_maxval, gfc_simplify_norm2,
1536 gfc_simplify_product, gfc_simplify_sum): Use it, and implement
1537 requirements from F2018.
1538
1539 2018-03-03 Steven G. Kargl <kargl@gcc.gnu.org>
1540
1541 PR fortran/51434
1542 * simplify.c (gfc_simplify_transfer): Resolve mold.
1543
1544 2018-03-03 Paul Thomas <pault@gcc.gnu.org>
1545
1546 PR fortran/80965
1547 * resolve.c (build_loc_call): Change symtree name from 'loc' to
1548 '_loc'.
1549
1550 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1551
1552 PR fortran/84219
1553 * target-memory.c (gfc_interpret_derived): Assert that BT_VOID
1554 components are caf tokens.
1555 (gfc_target_interpret_expr): Treat BT_VOID expressions as
1556 integers.
1557
1558 2018-03-01 Paul Thomas <pault@gcc.gnu.org>
1559
1560 PR fortran/84538
1561 * class.c (class_array_ref_detected): Remove the condition that
1562 there be no reference after the array reference.
1563 (find_intrinsic_vtab): Remove excess whitespace.
1564 * trans-array.c (gfc_conv_scalarized_array_ref): Rename 'tmp'
1565 as 'base and call build_class_array_ref earlier.
1566
1567 2018-02-28 Paul Thomas <pault@gcc.gnu.org>
1568
1569 PR fortran/83901
1570 * trans-stmt.c (trans_associate_var): Make sure that the se
1571 expression is a pointer type before converting it to the symbol
1572 backend_decl type.
1573
1574 2018-02-25 Steven G. Kargl <kargl@gcc.gnu.org>
1575
1576 PR fortran/83633
1577 * decl.c (variable_decl): Check that an explicit-shape-array with
1578 nonconstant bounds is allowed.
1579
1580 2018-02-25 Paul Thomas <pault@gcc.gnu.org>
1581
1582 PR fortran/84523
1583 * trans-intrinsic.c (gfc_conv_allocated): If the argument se
1584 has a pre block, add it to the expression pre block.
1585
1586 2018-02-25 Thomas Koenig <tkoenig@gcc.gnu.org>
1587
1588 PR fortran/78238
1589 * gfortran.h (gfc_integer_4_kind): Define.
1590 * resolve.c (resolve_select_type): Make sure that the
1591 kind of c->high is gfc_integer_4_kind.
1592
1593 2018-02-24 Steven G. Kargl <kargl@gcc.gnu.org>
1594
1595 PR fortran/30792
1596 * decl.c (gfc_match_data): Check for invalid substring in
1597 data-implied-do
1598
1599 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1600
1601 * intrinsic.texi: Arguments to MATMUL cannot both be rank one.
1602
1603 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1604
1605 PR fortran/84511
1606 * trans-io.c (transfer_expr): Deal with C_LOC in transfer statement.
1607
1608 2018-02-23 Steven G. Kargl <kargl@gcc.gnu.org>
1609
1610 PR fortran/84346
1611 * interface.c (compare_actual_formal): Issue error if keyword is
1612 used in a statement function.
1613
1614 2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1615
1616 PR fortran/84506
1617 * trans-io.c (set_parameter_value_inquire): Adjust range check of
1618 negative unit values for kind=8 units to the kind=4 negative limit.
1619
1620 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1621
1622 PR fortran/83149
1623 * trans-types.c (gfc_sym_type): Test sym->ns->proc_name before
1624 accessing its components.
1625
1626 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1627
1628 PR fortran/83149
1629 * trans-decl.c (gfc_finish_var_decl): Test sym->ns->proc_name
1630 before accessing its components.
1631
1632 2018-02-23 Paul Thomas <pault@gcc.gnu.org>
1633
1634 PR fortran/83148
1635 * trans-const.c : Clean up some whitespace issues.
1636 * trans-expr.c (gfc_conv_initializer): If an iso_c_binding
1637 derived type has a kind value of zero, set it to the default
1638 integer kind.
1639
1640 2018-02-23 Janne Blomqvist <jb@gcc.gnu.org>
1641
1642 PR fortran/84519
1643 * trans-decl.c (gfc_build_builtin_function_decls): Add bool
1644 argument to stop and error stop decls.
1645 * trans-stmt.c (gfc_trans_stop): Add false value to argument
1646 lists.
1647
1648 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1649
1650 PR 78534
1651 PR 84509
1652 * trans-decl.c (gfc_build_builtin_function_decls): Pass
1653 gfc_int8_type node to pause_numeric, size_type_node to
1654 pause_string.
1655 * trans-stmt.c (gfc_trans_pause): Likewise.
1656
1657 2018-02-22 Janne Blomqvist <jb@gcc.gnu.org>
1658
1659 * gfortran.texi: Update Coarray API description.
1660 * trans-decl.c (gfc_build_builtin_function_decls): Use size_t for
1661 character lengths, int for exit codes.
1662 (generate_coarray_sym_init): Use size_t for character length.
1663 * trans-intrinsic.c (conv_co_collective): Likewise.
1664 * trans-stmt.c (gfc_trans_lock_unlock): Likewise.
1665 (gfc_trans_event_post_wait): Likewise.
1666 (gfc_trans_sync): Likewise.
1667 (gfc_trans_stop): Use size_t for character lengths, int for exit
1668 codes.
1669
1670 2018-02-20 Thomas Koenig <tkoenig@gcc.gnu.org>
1671
1672 PR fortran/48890
1673 PR fortran/83823
1674 * primary.c (gfc_convert_to_structure_constructor):
1675 For a constant string constructor, make sure the length
1676 is correct.
1677
1678 2018-02-19 Paul Thomas <pault@gcc.gnu.org>
1679
1680 PR fortran/83344
1681 PR fortran/83975
1682 * resolve.c (resolve_assoc_var): Rearrange the logic for the
1683 determination of the character length of associate names. If
1684 the associate name is missing a length expression or the length
1685 expression is not a constant and the target is not a variable,
1686 make the associate name allocatable and deferred length.
1687 * trans-decl.c (gfc_get_symbol_decl): Null the character length
1688 backend_decl for deferred length associate names that are not
1689 variables. Set 'length' to gfc_index_zero_node for character
1690 associate names, whose character length is a PARM_DECL.
1691
1692 2018-02-19 Thomas Koenig <tkoenig@gcc.gnu.org>
1693
1694 PR fortran/35339
1695 * frontend-passes.c (traverse_io_block): Remove workaround for
1696 PR 80945.
1697
1698 2018-02-19 Andre Vehreschild <vehre@gcc.gnu.org>
1699
1700 * gfortran.texi: Document additional src/dst_type. Fix some typos.
1701 * trans-decl.c (gfc_build_builtin_function_decls): Declare the new
1702 argument of _caf_*_by_ref () with * e { get, send, sendget }.
1703 * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Add the type of the
1704 data referenced when generating a call to caf_get_by_ref ().
1705 (conv_caf_send): Same but for caf_send_by_ref () and
1706 caf_sendget_by_ref ().
1707
1708 2018-02-18 Jerry DeLisle <jvdelisle@gcc.gnu.org>
1709
1710 PR fortran/84389
1711 * io.c (check_format): Allow FMT_COLON.
1712
1713 2018-02-18 Paul Thomas <pault@gcc.gnu.org>
1714
1715 PR fortran/80945
1716 * trans-array.c (gfc_conv_expr_descriptor): Set parmtype from
1717 the typenode in the case of deferred length characters.
1718
1719 2018-02-17 Thomas Koenig <tkoenig@gcc.gnu.org>
1720
1721 PR fortran/84270
1722 * frontend-passes (scalarized_expr): If the expression
1723 is an assumed size array, leave in the last reference
1724 and pass AR_SECTION instead of AR_FULL to gfc_resolve
1725 in order to avoid an error.
1726
1727 2018-02-17 Paul Thomas <pault@gcc.gnu.org>
1728
1729 PR fortran/84115
1730 * resolve.c (resolve_assoc_var): If a non-constant target expr.
1731 has no string length expression, make the associate variable
1732 into a deferred length, allocatable symbol.
1733 * trans-decl.c (gfc_is_reallocatable_lhs): Add and use a ptr to
1734 the symbol.
1735 * trans-stmt.c (trans_associate_var): Null and free scalar
1736 associate names that are allocatable. After assignment, remove
1737 the allocatable attribute to prevent reallocation.
1738
1739 2018-02-16 Jakub Jelinek <jakub@redhat.com>
1740
1741 PR fortran/84418
1742 * trans-openmp.c (gfc_trans_omp_clauses): For OMP_CLAUSE_LINEAR_REF
1743 kind set OMP_CLAUSE_LINEAR_STEP to TYPE_SIZE_UNIT times last_step.
1744
1745 2018-02-16 Dominique d'Humieres <dominiq@gcc.gnu.org>
1746
1747 PR fortran/84354
1748 * decl.c (gfc_get_pdt_instance): Replace '%qs' with %qs.
1749
1750 2018-02-15 Janus Weil <janus@gcc.gnu.org>
1751
1752 PR fortran/84409
1753 * interface.c (check_dtio_arg_TKR_intent): Add a check for character
1754 length.
1755
1756 2018-02-14 Janus Weil <janus@gcc.gnu.org>
1757
1758 PR fortran/84385
1759 * match.c (gfc_match_select_type): Fix check for selector in
1760 SELECT TYPE statement.
1761
1762 2018-02-13 Janus Weil <janus@gcc.gnu.org>
1763
1764 PR fortran/84313
1765 * symbol.c (check_conflict): Reject procedure pointers in common blocks.
1766
1767 2018-02-13 Alastair McKinstry <alastair.mckinstry@sceal.ie>
1768 Janne Blomqvist <jb@gcc.gnu.org>
1769
1770 * module.c (dump_module): Use lbasename to ensure that module
1771 files are reproducible.
1772
1773 2018-02-12 Janus Weil <janus@gcc.gnu.org>
1774
1775 PR fortran/84273
1776 * resolve.c (resolve_component): Fix checks of passed argument in
1777 procedure-pointer components.
1778
1779 2018-02-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1780
1781 PR fortran/35299
1782 * resolve.c (resolve_formal_arglist): Update error message.
1783
1784 2018-02-11 Andre Vehreschild <vehre@gcc.gnu.org>
1785
1786 * gfortran.texi: Fix typos in documentation of caf_register ().
1787 * trans-array.c (structure_alloc_comps): Only register a component of
1788 a derived typed corray, not of an ultimate component coarray.
1789
1790 2018-02-11 Steven G. Kargl <kargl@gcc.gnu.org>
1791
1792 PR fortran/54223
1793 PR fortran/84276
1794 * interface.c (compare_actual_formal): Add in_statement_function
1795 bool parameter. Skip check of INTENT attribute for statement
1796 functions. Arguments to a statement function cannot be optional,
1797 issue error for missing argument.
1798 (gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
1799 in_statement_function.
1800
1801 2018-02-11 Paul Thomas <pault@gcc.gnu.org>
1802
1803 PR fortran/84074
1804 * trans-expr.c (gfc_conv_derived_to_class): Set the use_offset
1805 flag. If the is a vector subscript or the expression is not a
1806 variable, make the descriptor one-based.
1807
1808 2018-02-10 Paul Thomas <pault@gcc.gnu.org>
1809
1810 PR fortran/84141
1811 PR fortran/84155
1812 * trans-array.c (gfc_array_init_size): Revert the change made
1813 in revision 257356 setting the dtype.
1814 * trans-types.c (gfc_get_dtype): Do not use the cached dtype.
1815 Call gfc_get_dtype_rank_type every time.
1816
1817 PR fortran/56691
1818 * trans-array.c (gfc_conv_expr_descriptor): If the source array
1819 is a descriptor type, use its offset, removing the condition
1820 that is be a class expression.
1821
1822 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1823
1824 PR fortran/82994
1825 * match.c (gfc_match_deallocate): Check for NULL pointer.
1826
1827 2018-02-07 Thomas Koenig <tkoenig@gcc.gnu.org>
1828
1829 PR fortran/68560
1830 * trans-intrinsic.c (gfc_conv_intrinsic_shape): New function.
1831 (gfc_conv_intrinsic_function): Call it.
1832
1833 2018-02-07 Steven G. Kargl <kargl@gcc.gnu.org>
1834
1835 PR fortran/82049
1836 * match.c (gfc_match_type_spec): If the charlen is non-NULL, then
1837 try to resolve it. While here return early if possible.
1838
1839 2018-02-04 Paul Thomas <pault@gcc.gnu.org>
1840
1841 PR fortran/84115
1842 * trans-decl.c (gfc_get_symbol_decl): Do not finish the decl of
1843 'length' if the symbol charlen backend_decl is an indirect ref.
1844
1845 2018-02-03 Paul Thomas <pault@gcc.gnu.org>
1846
1847 PR fortran/84141
1848 PR fortran/84155
1849 * trans-array.c (gfc_array_init_size): Instead of gfc_get_dtype
1850 use gfc_get_dtype_rank_type.
1851
1852 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1853
1854 PR 83975
1855 PR 83344
1856 * resolve.c (resolve_assoc_var): Generate an error if
1857 target length unknown.
1858
1859 2018-02-01 Janne Blomqvist <jb@gcc.gnu.org>
1860
1861 PR fortran/83705
1862 * simplify.c (gfc_simplify_repeat): Increase limit for deferring
1863 to runtime, print a warning message.
1864
1865 2018-01-31 Jakub Jelinek <jakub@redhat.com>
1866
1867 PR fortran/84116
1868 * openmp.c (gfc_match_omp_clauses): If all the linear
1869 gfc_match_omp_variable_list calls failed, don't gfc_free_omp_namelist
1870 nor set *head = NULL. Formatting fixes.
1871
1872 2018-01-31 Paul Thomas <pault@gcc.gnu.org>
1873
1874 PR fortran/84088
1875 * trans-expr.c (gfc_conv_procedure_call): If the parm expr is
1876 an address expression passed to an assumed rank dummy, convert
1877 to an indirect reference.
1878
1879 2018-01-31 Thomas Koenig <tkoenig@gcc.gnu.org>
1880
1881 * dump-parse-tree.c (write_proc): Use sym_name (which may
1882 be sym->binding_label) instead of sym->name.
1883
1884 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1885
1886 * trans-const.c (gfc_conv_string_init): Use gfc_charlen_t instead
1887 of int for slen.
1888
1889 2018-01-31 Janne Blomqvist <jb@gcc.gnu.org>
1890
1891 PR fortran/78534
1892 * trans-expr.c (fill_with_spaces): Use memset instead of
1893 generating loop.
1894 (gfc_trans_string_copy): Improve opportunity to use builtins with
1895 constant lengths.
1896
1897 2018-01-30 Jakub Jelinek <jakub@redhat.com>
1898
1899 PR debug/84131
1900 * trans-array.c (gfc_get_descriptor_offsets_for_info): Set *data_off
1901 to DATA_FIELD's offset rather than OFFSET_FIELD's offset.
1902
1903 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1904
1905 PR fortran/84134
1906 * array.c (gfc_ref_dimen_size): Whitespace fixes. If stride is
1907 zero, return false.
1908
1909 2018-01-30 Thomas Koenig <tkoenig@gcc.gnu.org>
1910
1911 PR fortran/84133
1912 * frontend-passes (matmul_to_var_expr): Return early if
1913 in association list.
1914 (inline_matmul_assign): Likewise.
1915
1916 2017-01-29 Thomas Koenig <tkoenig@gcc.gnu.org>
1917
1918 PR fortran/84073
1919 * resolve.c (resolve_component): Ensure BIND(C) character
1920 components have length one.
1921 (resolve_symbol): Likewise for variables.
1922
1923 2018-01-27 Jakub Jelinek <jakub@redhat.com>
1924
1925 PR fortran/84065
1926 * decl.c (add_init_expr_to_sym): Ignore initializers for too large
1927 lengths.
1928
1929 2018-01-26 Damian Rouson <damian@sourceryinstitute.org>
1930 Alessandro Fanfarillo <fanfarillo.gcc@gmail.com>
1931 Soren Rasmussen <s.c.rasmussen@gmail.com>
1932
1933 Partial support for Fortran 2018 teams features.
1934
1935 * array.c (gfc_match_array_ref): add team attribute in coarray
1936 transfers.
1937 * check.c (gfc_check_get_team, gfc_check_team_number): add new
1938 functions for get_team and team_number.
1939 * dump-parse-tree.c (show_code_node): add new statements: form team,
1940 change team, end team, and sync team.
1941 * expr.c (gfc_find_team_co): add new function.
1942 * gfortran.h: add new statements.
1943 * intrinsic.c (add_functions): add get_team and team_number functions.
1944 * intrinsic.h: add get_team and team_number prototypes for check,
1945 simplify, and resolve.
1946 * iresolve.c (gfc_resolve_get_team, gfc_resolve_team_number): add new
1947 functions.
1948 * iso-fortran-env.def: add the team_type derived type.
1949 * match.c (gfc_match_if, gfc_match_form_team, gfc_match_team_number)
1950 (gfc_match_end_team, gfc_match_sync_team, gfc_match_change_team):
1951 add change team, end team, form team, sync team match and functions.
1952 * match.h: add new prototypes for change team, end team, form team,
1953 and sync team.
1954 * parse.c (decode_statement): add cases for change team, end team,
1955 form team, and sync team.
1956 * resolve.c: add cases for exec form team, change team, end team, and
1957 sync team.
1958 * simplify.c (gfc_simplify_get_team): add new function for get team.
1959 * st.c (gfc_free_statement): add cases exec for change team, end team,
1960 form team, sync team.
1961 * trans-decl.c (gfor_fndecl_caf_form_team)
1962 (gfor_fndecl_caf_change_team, gfor_fndecl_caf_end_team)
1963 (gfor_fndecl_caf_sync_team, gfor_fndecl_caf_get_team)
1964 (gfor_fndecl_caf_team_number): add functions and definitions.
1965 * trans-intrinsic.c (conv_caf_send, conv_intrinsic_team_number): add
1966 new function and team_type argument support.
1967 * trans-stmt.c (gfc_trans_form_team, gfc_trans_change_team)
1968 (gfc_trans_end_team, gfc_trans_sync_team): add new functions.
1969 * trans-stmt.h: add new prototypes.
1970 * trans-types.c (gfc_get_derived_type): check condition for team_type.
1971 * trans.c (trans_code): new exec cases for form team, change team, end
1972 team, and sync team.
1973 * trans.h: add new prototypes.
1974
1975 2018-01-26 Steven G. Kargl <kargl@gcc.gnu.org>
1976
1977 PR fortran/83998
1978 * simplify.c (compute_dot_product): Initialize result to INTEGER(1) 0
1979 or .false. The summation does the correct type conversion.
1980 (gfc_simplify_dot_product): Special case zero-sized arrays.
1981
1982 2018-25-01 Paul Thomas <pault@gcc.gnu.org>
1983
1984 PR fortran/37577
1985 * array.c (gfc_match_array_ref): If standard earlier than F2008
1986 it is an error if the reference dimension is greater than 7.
1987 libgfortran.h : Increase GFC_MAX_DIMENSIONS to 15. Change the
1988 dtype masks and shifts accordingly.
1989 * trans-array.c (gfc_conv_descriptor_dtype): Use the dtype
1990 type node to check the field.
1991 (gfc_conv_descriptor_dtype): Access the rank field of dtype.
1992 (duplicate_allocatable_coarray): Access the rank field of the
1993 dtype descriptor rather than the dtype itself.
1994 * trans-expr.c (get_scalar_to_descriptor_type): Store the type
1995 of 'scalar' on entry and use its TREE_TYPE if it is ARRAY_TYPE
1996 (ie. a character).
1997 (gfc_conv_procedure_call): Pass TREE_OPERAND (tmp,0) to
1998 get_scalar_to_descriptor_type if the actual expression is a
1999 constant.
2000 (gfc_trans_structure_assign): Assign the rank directly to the
2001 dtype rank field.
2002 * trans-intrinsic.c (gfc_conv_intrinsic_rank): Cast the result
2003 to default integer kind.
2004 (gfc_conv_intrinsic_sizeof): Obtain the element size from the
2005 'elem_len' field of the dtype.
2006 * trans-io.c (gfc_build_io_library_fndecls): Replace
2007 gfc_int4_type_node with dtype_type_node where necessary.
2008 (transfer_namelist_element): Use gfc_get_dtype_rank_type for
2009 scalars.
2010 * trans-types.c : Provide 'get_dtype_type_node' to acces the
2011 dtype_type_node and, if necessary, build it.
2012 The maximum size of an array element is now determined by the
2013 maximum value of size_t.
2014 Update the description of the array descriptor, including the
2015 type def for the dtype_type.
2016 (gfc_get_dtype_rank_type): Build a constructor for the dtype.
2017 Distinguish RECORD_TYPEs that are BT_DERIVED or BT_CLASS.
2018 (gfc_get_array_descriptor_base): Change the type of the dtype
2019 field to dtype_type_node.
2020 (gfc_get_array_descr_info): Get the offset to the rank field of
2021 the dtype.
2022 * trans-types.h : Add a prototype for 'get_dtype_type_node ()'.
2023 * trans.h : Define the indices of the dtype fields.
2024
2025 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
2026
2027 PR fortran/83866
2028 * decl.c (gfc_match_derived_decl): If eos not matched, recover
2029 and emit error about garbage after declaration.
2030
2031 2018-23-01 Paul Thomas <pault@gcc.gnu.org>
2032
2033 PR fortran/83898
2034 * trans-stmt.c (trans_associate_var): Do not set cst_array_ctor
2035 for characters.
2036
2037 2018-01-22 Janne Blomqvist <jb@gcc.gnu.org>
2038
2039 PR 78534
2040 PR 83704
2041 * arith.c (gfc_arith_concat): Use size_t for string length.
2042 (gfc_compare_string): Likewise.
2043 (gfc_compare_with_Cstring): Likewise.
2044 * array.c (gfc_resolve_character_array_constructor): Use
2045 HOST_WIDE_INT, gfc_mpz_get_hwi.
2046 * check.c (gfc_check_fe_runtime_error): Use size_t.
2047 * data.c (create_character_initializer): Use HOST_WIDE_INT,
2048 gfc_extract_hwi.
2049 * decl.c (gfc_set_constant_character_len): Use gfc_charlen_t.
2050 (add_init_expr_to_sym): Use HOST_WIDE_INT.
2051 * expr.c (gfc_build_init_expr): Use HOST_WIDE_INT,
2052 gfc_extract_hwi.
2053 (gfc_apply_init): Likewise.
2054 * match.h (gfc_set_constant_character_len): Update prototype.
2055 * primary.c (match_string_constant): Use size_t.
2056 * resolve.c (resolve_ordinary_assign): Use HOST_WIDE_INT,
2057 gfc_mpz_get_hwi.
2058 * simplify.c (init_result_expr): Likewise.
2059 (gfc_simplify_len_trim): Use size_t.
2060 * target-memory.c (gfc_encode_character): Use size_t.
2061 (gfc_target_encode_expr): Use HOST_WIDE_INT, gfc_mpz_get_hwi.
2062 (interpret_array): Use size_t.
2063 (gfc_interpret_character): Likewise.
2064 * target-memory.h (gfc_encode_character): Update prototype.
2065 (gfc_interpret_character): Likewise.
2066 (gfc_target_interpret_expr): Likewise.
2067 * trans-const.c (gfc_build_string_const): Use size_t for length
2068 argument.
2069 (gfc_build_wide_string_const): Likewise.
2070 * trans-const.h (gfc_build_string_const): Likewise.
2071 (gfc_build_wide_string_const): Likewise.
2072
2073 2018-01-20 Steven G. Kargl <kargl@gcc.gnu.org>
2074
2075 PR fortran/83900
2076 * simplify.c (gfc_simplify_matmul): Set return type correctly.
2077
2078 2018-01-19 Steven G. Kargl <kargl@gcc.gnu.org>
2079
2080 PR fortran/83900
2081 * simplify.c (gfc_simplify_matmul): Delete bogus assertion.
2082
2083 2018-01-17 Harald Anlauf <anlauf@gmx.de>
2084
2085 PR fortran/83864
2086 * expr.c (add_init_expr_to_sym): Do not dereference NULL pointer.
2087
2088 2018-01-17 Harald Anlauf <anlauf@gmx.de>
2089
2090 PR fortran/83874
2091 * decl.c (add_init_expr_to_sym): Do not dereference NULL pointer.
2092
2093 2018-01-15 Louis Krupp <louis.krupp@zoho.com>
2094
2095 PR fortran/82257
2096 * interface.c (compare_rank): Don't try to retrieve CLASS_DATA
2097 from symbol marked unlimited polymorphic.
2098 * resolve.c (resolve_structure_cons): Likewise.
2099 * misc.c (gfc_typename): Don't dereference derived->components
2100 if it's NULL.
2101
2102 2018-01-15 Thomas Koenig <tkoenig@gcc.gnu.org>
2103
2104 PR fortran/54613
2105 * gfortran.h (gfc_check_f): Rename f4ml to f5ml.
2106 (gfc_logical_4_kind): New macro
2107 * intrinsic.h (gfc_simplify_minloc): Add a gfc_expr *argument.
2108 (gfc_simplify_maxloc): Likewise.
2109 (gfc_resolve_maxloc): Likewise.
2110 (gfc_resolve_minloc): Likewise.
2111 * check.c (gfc_check_minloc_maxloc): Add checking for "back"
2112 argument; also raise error if it is used (for now). Add it
2113 if it isn't present.
2114 * intrinsic.c (add_sym_4ml): Rename to
2115 (add_sym_5ml), adjust for extra argument.
2116 (add_functions): Add "back" constant. Adjust maxloc and minloc
2117 for back argument.
2118 * iresolve.c (gfc_resolve_maxloc): Add back argument. If back is
2119 not of gfc_logical_4_kind, convert.
2120 (gfc_resolve_minloc): Likewise.
2121 * simplify.c (gfc_simplify_minloc): Add back argument.
2122 (gfc_simplify_maxloc): Likewise.
2123 * trans-intinsic.c (gfc_conv_intrinsic_minmaxloc): Rename last
2124 argument to %VAL to ensure passing by value.
2125 (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_minmaxloc
2126 also for library calls.
2127
2128 2018-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
2129
2130 PR fortran/82007
2131 * resolve.c (resolve_transfer): Delete code looking for 'DT'
2132 format specifiers in format strings. Set formatted to true if a
2133 format string or format label is present.
2134 * trans-io.c (get_dtio_proc): Likewise. (transfer_expr): Fix
2135 whitespace.
2136
2137 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
2138
2139 PR fortran/83744
2140 * dump-parse-tree.c (get_c_type_name): Remove extra line.
2141 Change for loop to use declaration in for loop. Handle BT_LOGICAL
2142 and BT_CHARACTER.
2143 (write_decl): Add where argument. Fix indentation. Replace
2144 assert with error message. Add typename to warning
2145 in comment.
2146 (write_type): Adjust locus to call of write_decl.
2147 (write_variable): Likewise.
2148 (write_proc): Likewise. Replace assert with error message.
2149
2150 2018-01-13 Paul Thomas <pault@gcc.gnu.org>
2151
2152 PR fortran/52162
2153 * trans-expr.c (gfc_trans_scalar_assign): Flag is_alloc_lhs if
2154 the rhs expression is neither an elemental nor a conversion
2155 function.
2156
2157 PR fortran/83622
2158 * trans-array.c (is_pointer_array): Remove unconditional return
2159 of false for -fopenmp.
2160
2161 2018-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
2162 <emsr@gcc.gnu.org>
2163
2164 PR fortran/83803
2165 * dump-parse-tree.c (write_proc): Always emit closing parenthesis
2166 for functions.
2167
2168 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
2169
2170 PR fortran/82367
2171 * resolve.c (resolve_allocate_expr): Check for NULL pointer.
2172
2173 2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
2174
2175 PR fortran/83093
2176 * resolve.c (resolve_charlen): Check the type of cl->length
2177 after resolution.
2178
2179 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
2180
2181 PR fortran/83740
2182 * trans-array.c (gfc_trans_array_ctor_element): Fix formatting.
2183
2184 2018-01-10 Janne Blomqvist <jb@gcc.gnu.org>
2185
2186 PR fortran/83740
2187 * trans-array.c (gfc_trans_array_ctor_element): Convert RHS to the
2188 LHS type when assigning.
2189
2190 2018-01-09 Steven G. Kargl <kargl@gcc.gnu.org>
2191
2192 PR fortran/83742
2193 * expr.c (gfc_is_simply_contiguous): Check for NULL pointer.
2194
2195 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
2196
2197 * match.c (gfc_match_allocate): Check for NULL pointer.
2198
2199 2018-01-08 Steven G. Kargl <kargl@gcc.gnu.org>
2200
2201 * expr.c (gfc_check_pointer_assign): Fix typo in comment.
2202
2203 2018-01-08 Paul Thomas <pault@gcc.gnu.org>
2204
2205 PR fortran/83611
2206 * decl.c (gfc_get_pdt_instance): If parameterized arrays have
2207 an initializer, convert the kind parameters and add to the
2208 component if the instance.
2209 * trans-array.c (structure_alloc_comps): Add 'is_pdt_type' and
2210 use it with case COPY_ALLOC_COMP. Call 'duplicate_allocatable'
2211 for parameterized arrays. Clean up typos in comments. Convert
2212 parameterized array initializers and copy into the array.
2213 * trans-expr.c (gfc_trans_scalar_assign): Do a deep copy for
2214 parameterized types.
2215 *trans-stmt.c (trans_associate_var): Deallocate associate vars
2216 as necessary, when they are PDT function results for example.
2217
2218 PR fortran/83731
2219 * trans-array.c (structure_alloc_comps): Only compare len parms
2220 when they are declared explicitly.
2221
2222 2018-01-06 Janne Blomqvist <jb@gcc.gnu.org>
2223
2224 PR fortran/50892
2225 * trans-expr.c (gfc_trans_pointer_assignment): fold_convert rhs to
2226 lhs type.
2227
2228 2018-01-05 Janne Blomqvist <jb@gcc.gnu.org>
2229
2230 PR fortran/78534
2231 PR fortran/66310
2232 * array.c (got_charlen): Use gfc_charlen_int_kind.
2233 * class.c (gfc_find_derived_vtab): Use gfc_size_kind instead of
2234 hardcoded kind.
2235 (find_intrinsic_vtab): Likewise.
2236 * decl.c (match_char_length): Use gfc_charlen_int_kind.
2237 (add_init_expr_to_sym): Use gfc_charlen_t and gfc_charlen_int_kind.
2238 (gfc_match_implicit): Use gfc_charlen_int_kind.
2239 * dump-parse-tree.c (show_char_const): Use gfc_charlen_t and size_t.
2240 (show_expr): Use HOST_WIDE_INT_PRINT_DEC.
2241 * expr.c (gfc_get_character_expr): Length parameter of type
2242 gfc_charlen_t.
2243 (gfc_get_int_expr): Value argument of type HOST_WIDE_INT.
2244 (gfc_extract_hwi): New function.
2245 (simplify_const_ref): Make string_len of type gfc_charlen_t.
2246 (gfc_simplify_expr): Use HOST_WIDE_INT for substring refs.
2247 * frontend-passes.c (optimize_trim): Use gfc_charlen_int_kind.
2248 * gfortran.h (gfc_mpz_get_hwi): New prototype.
2249 (gfc_mpz_set_hwi): Likewise.
2250 (gfc_charlen_t): New typedef.
2251 (gfc_expr): Use gfc_charlen_t for character lengths.
2252 (gfc_size_kind): New extern variable.
2253 (gfc_extract_hwi): New prototype.
2254 (gfc_get_character_expr): Use gfc_charlen_t for character length.
2255 (gfc_get_int_expr): Use HOST_WIDE_INT type for value argument.
2256 * gfortran.texi: Update description of hidden string length argument.
2257 * iresolve.c (check_charlen_present): Use gfc_charlen_int_kind.
2258 (gfc_resolve_char_achar): Likewise.
2259 (gfc_resolve_repeat): Pass string length directly without
2260 temporary, use gfc_charlen_int_kind.
2261 (gfc_resolve_transfer): Use gfc_charlen_int_kind.
2262 * match.c (select_intrinsic_set_tmp): Use HOST_WIDE_INT for charlen.
2263 * misc.c (gfc_mpz_get_hwi): New function.
2264 (gfc_mpz_set_hwi): New function.
2265 * module.c (atom_int): Change type from int to HOST_WIDE_INT.
2266 (parse_integer): Don't complain about large integers.
2267 (write_atom): Use HOST_WIDE_INT for integers.
2268 (mio_integer): Handle integer type mismatch.
2269 (mio_hwi): New function.
2270 (mio_intrinsic_op): Use HOST_WIDE_INT.
2271 (mio_array_ref): Likewise.
2272 (mio_expr): Likewise.
2273 * primary.c (match_substring): Use gfc_charlen_int_kind.
2274 * resolve.c (resolve_substring_charlen): Use gfc_charlen_int_kind.
2275 (resolve_character_operator): Likewise.
2276 (resolve_assoc_var): Likewise.
2277 (resolve_select_type): Use HOST_WIDE_INT for charlen, use snprintf.
2278 (resolve_charlen): Use mpz_sgn to determine sign.
2279 * simplify.c (gfc_simplify_repeat): Use HOST_WIDE_INT/gfc_charlen_t
2280 instead of long.
2281 * symbol.c (generate_isocbinding_symbol): Use gfc_charlen_int_kind.
2282 * target-memory.c (size_character): Length argument of type
2283 gfc_charlen_t.
2284 (gfc_encode_character): Likewise.
2285 (gfc_interpret_character): Use gfc_charlen_t.
2286 * target-memory.h (gfc_encode_character): Modify prototype.
2287 * trans-array.c (gfc_trans_array_ctor_element): Use existing type.
2288 (get_array_ctor_var_strlen): Use gfc_conv_mpz_to_tree_type.
2289 (trans_array_constructor): Use existing type.
2290 (get_array_charlen): Likewise.
2291 * trans-const.c (gfc_conv_mpz_to_tree_type): New function.
2292 * trans-const.h (gfc_conv_mpz_to_tree_type): New prototype.
2293 * trans-decl.c (gfc_trans_deferred_vars): Use existing type.
2294 (add_argument_checking): Likewise.
2295 * trans-expr.c (gfc_class_len_or_zero_get): Build const of type
2296 gfc_charlen_type_node.
2297 (gfc_conv_intrinsic_to_class): Use gfc_charlen_int_kind instead of
2298 4, fold_convert to correct type.
2299 (gfc_conv_class_to_class): Build const of type size_type_node for
2300 size.
2301 (gfc_copy_class_to_class): Likewise.
2302 (gfc_conv_string_length): Use same type in expression.
2303 (gfc_conv_substring): Likewise, use HOST_WIDE_INT for charlen.
2304 (gfc_conv_string_tmp): Make sure len is of the right type.
2305 (gfc_conv_concat_op): Use same type in expression.
2306 (gfc_conv_procedure_call): Likewise.
2307 (fill_with_spaces): Comment out memset() block due to spurious
2308 -Wstringop-overflow warnings.
2309 (gfc_trans_string_copy): Use gfc_charlen_type_node.
2310 (alloc_scalar_allocatable_for_subcomponent_assignment):
2311 fold_convert to right type.
2312 (gfc_trans_subcomponent_assign): Likewise.
2313 (trans_class_vptr_len_assignment): Build const of correct type.
2314 (gfc_trans_pointer_assignment): Likewise.
2315 (alloc_scalar_allocatable_for_assignment): fold_convert to right
2316 type in expr.
2317 (trans_class_assignment): Build const of correct type.
2318 * trans-intrinsic.c (gfc_conv_associated): Likewise.
2319 (gfc_conv_intrinsic_repeat): Do calculation in sizetype.
2320 * trans-io.c (gfc_build_io_library_fndecls): Use
2321 gfc_charlen_type_node for character lengths.
2322 (set_string): Convert to right type in assignment.
2323 * trans-stmt.c (gfc_trans_label_assign): Build const of
2324 gfc_charlen_type_node.
2325 (trans_associate_var): Likewise.
2326 (gfc_trans_character_select): Likewise.
2327 (gfc_trans_allocate): Likewise, don't typecast strlen result.
2328 (gfc_trans_deallocate): Don't typecast strlen result.
2329 * trans-types.c (gfc_size_kind): New variable.
2330 (gfc_init_types): Determine gfc_charlen_int_kind and gfc_size_kind
2331 from size_type_node.
2332 * trans-types.h: Fix comment.
2333
2334 2018-01-04 Thomas Koenig <tkoenig@gcc.gnu.org>
2335
2336 PR fortran/83683
2337 PR fortran/45689
2338 * check.c (gfc_check_eoshift): Check for string length and
2339 for conformance of boundary.
2340 * intrinsic.c (add_functions): Add gfc_simplify_eoshift.
2341 * intrinsic.h: Add prototype for gfc_simplify_eoshift.
2342 * simplify.c (gfc_simplify_eoshift): New function.
2343
2344 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2345 Alan Hayward <alan.hayward@arm.com>
2346 David Sherwood <david.sherwood@arm.com>
2347
2348 * trans-types.c (gfc_type_for_mode): Handle MODE_VECTOR_BOOL.
2349
2350 2018-01-03 Richard Sandiford <richard.sandiford@linaro.org>
2351 Alan Hayward <alan.hayward@arm.com>
2352 David Sherwood <david.sherwood@arm.com>
2353
2354 * trans-types.c (gfc_type_for_mode): Check valid_vector_subparts_p.
2355
2356 2018-01-03 Thomas Koenig <tkoenig@gcc.gnu.org>
2357
2358 PR fortran/83664
2359 * check.c (gfc_check_eoshift): Error for missing boundary if array
2360 is not one of the standard types.
2361
2362 2018-01-03 Jakub Jelinek <jakub@redhat.com>
2363
2364 Update copyright years.
2365
2366 * gfortranspec.c (lang_specific_driver): Update copyright notice
2367 dates.
2368 * gfc-internals.texi: Bump @copying's copyright year.
2369 * gfortran.texi: Ditto.
2370 * intrinsic.texi: Ditto.
2371 * invoke.texi: Ditto.
2372
2373 2017-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
2374
2375 PR fortran/45689
2376 * intrinsic.c (add_function): Add gfc_simplify_maxloc and
2377 gfc_simplify_minloc to maxloc and minloc, respectively.
2378 * intrinsic.h: Add prototypes for gfc_simplify_minloc
2379 and gfc_simplify_maxloc.
2380 * simplify.c (min_max_chose): Adjust prototype. Modify function
2381 to have a return value which indicates if the extremum was found.
2382 (is_constant_array_expr): Fix typo in comment.
2383 (simplify_minmaxloc_to_scalar): New function.
2384 (simplify_minmaxloc_nodim): New function.
2385 (new_array): New function.
2386 (simplify_minmaxloc_to_array): New function.
2387 (gfc_simplify_minmaxloc): New function.
2388 (simplify_minloc): New function.
2389 (simplify_maxloc): New function.
2390
2391 2018-01-02 Thomas Koenig <tkoenig@gcc.gnu.org>
2392
2393 PR fortran/45689
2394 PR fortran/83650
2395 * simplify.c (gfc_simplify_cshift): Re-implement to allow full
2396 range of arguments.
2397
2398 2018-01-01 Paul Thomas <pault@gcc.gnu.org>
2399
2400 PR fortran/83076
2401 * resolve.c (resolve_fl_derived0): Add caf_token fields for
2402 allocatable and pointer scalars, when -fcoarray selected.
2403 * trans-types.c (gfc_copy_dt_decls_ifequal): Copy the token
2404 field as well as the backend_decl.
2405 (gfc_get_derived_type): Flag GFC_FCOARRAY_LIB for module
2406 derived types that are not vtypes. Components with caf_token
2407 attribute are pvoid types. For a component requiring it, find
2408 the caf_token field and have the component token field point to
2409 its backend_decl.
2410
2411 PR fortran/83319
2412 *trans-types.c (gfc_get_array_descriptor_base): Add the token
2413 field to the descriptor even when codimen not set.
2414 \f
2415 Copyright (C) 2018 Free Software Foundation, Inc.
2416
2417 Copying and distribution of this file, with or without modification,
2418 are permitted in any medium without royalty provided the copyright
2419 notice and this notice are preserved.