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4 daysFortran: Implement F2018 IMPORT statements [PR106135]Paul Thomas1-0/+165
2025-09-09 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/106135 * decl.cc (build_sym): Emit an error if a symbol associated by an IMPORT, ONLY or IMPORT, all statement is being redeclared. (gfc_match_import): Parse and check the F2018 versions of the IMPORT statement. For scopes other than and interface body, if the symbol cannot be found in the host scope, generate it and set it up such that gfc_fixup_sibling_symbols can transfer its 'imported attribute' if it turnes out to be a not yet parsed procedure. Test for violations of C897-8100. * gfortran.h : Add 'import_only' to the gfc_symtree structure. Add the enum, 'importstate', which is used for values the new field 'import_state' in gfc_namespace. * parse.cc (gfc_fixup_sibling_symbols): Transfer the attribute 'imported' to the new symbol. * resolve.cc (check_sym_import_status, check_import_status): New functions to test symbols and expressions for violations of F2018:C8102. (resolve_call): Test the 'resolved_sym' against C8102 by a call to 'check_sym_import_status'. (gfc_resolve_expr): If the expression is OK and an IMPORT statement has been registered in the current scope, test C102 by calling 'check_import_status'. (resolve_select_type): Test the declared derived type in TYPE IS and CLASS IS statements. gcc/testsuite/ PR fortran/106135 * gfortran.dg/import3.f90: Use -std=f2008 and comment on change in error message texts with f2018. * gfortran.dg/import12.f90: New test.
12 daysFortran: Remove corank conformability checks [PR120843]Andre Vehreschild1-29/+0
Remove the checks on coranks conformability in expressions, because there is nothing in the standard about it. When a coarray has no coindexes it it treated like a non-coarray, when it has a full-corank coindex its result is a regular array. So nothing to check for corank conformability. PR fortran/120843 gcc/fortran/ChangeLog: * resolve.cc (resolve_operator): Remove conformability check, because it is not in the standard. gcc/testsuite/ChangeLog: * gfortran.dg/coarray/coindexed_6.f90: Enhance test to have coarray components covered.
14 daysFortran: Fix non-conformable corank on this_image ref [PR120843]Andre Vehreschild1-3/+4
PR fortran/120843 gcc/fortran/ChangeLog: * resolve.cc (resolve_operator): Report inconsistent coranks only when not referencing this_image. (gfc_op_rank_conformable): Treat coranks as inconformable only when a coindex other then implicit this_image is used. gcc/testsuite/ChangeLog: * gfortran.dg/coarray/coindexed_6.f90: New test.
2025-06-26Fortran: Fix wasting memory in coarray single mode.Andre Vehreschild1-2/+2
gcc/fortran/ChangeLog: * resolve.cc (resolve_fl_derived0): Do not create the token component when not in coarray lib mode. * trans-types.cc: Do not access the token when not in coarray lib mode.
2025-06-24fortran: Mention user variable in SELECT TYPE temporary variable namesMikael Morin1-8/+13
The temporary variables that are generated to implement SELECT TYPE and TYPE IS statements have (before this change) a name depending only on the type. This can produce confusing dumps with code having multiple SELECT TYPE statements, as it isn't obvious which SELECT TYPE construct the variable relates to. This is especially the case with nested SELECT TYPE statements and with SELECT TYPE variables having identical types (and thus identical names). This change adds one additional user-provided discriminating string in the variable names, using the value from the SELECT TYPE variable name or last component reference name. The additional string may be truncated to fit in the temporary buffer. This requires all buffers to have matching sizes to get the same resulting name everywhere. gcc/fortran/ChangeLog: * misc.cc (gfc_var_name_for_select_type_temp): New function. * gfortran.h (gfc_var_name_for_select_type_temp): Declare it. * resolve.cc (resolve_select_type): Pick a discriminating name from the SELECT TYPE variable reference and use it in the name of the temporary variable that is generated. Truncate name to the buffer size. * match.cc (select_type_set_tmp): Likewise. Pass the discriminating name... (select_intrinsic_set_tmp): ... to this function. Use the discriminating name likewise. Augment the buffer size to match that of select_type_set_tmp and resolve_select_type. gcc/testsuite/ChangeLog: * gfortran.dg/select_type_51.f90: New test.
2025-06-16Fortran: fix checking of MOLD= in ALLOCATE statements [PR51961]Harald Anlauf1-0/+17
In ALLOCATE statements where the MOLD= argument is present and is not scalar, and the allocate-object has an explicit-shape-spec, the standard does not require the ranks to agree. In that case we skip the rank check, but emit a warning if -Wsurprising is given. PR fortran/51961 gcc/fortran/ChangeLog: * resolve.cc (conformable_arrays): Use modified rank check when MOLD= expression is given. gcc/testsuite/ChangeLog: * gfortran.dg/allocate_with_mold_5.f90: New test.
2025-05-15Fortran: default-initialization and functions returning derived type [PR85750]Harald Anlauf1-4/+4
Functions with non-pointer, non-allocatable result and of derived type did not always get initialized although the type had default-initialization, and a derived type component had the allocatable or pointer attribute. Rearrange the logic when to apply default-initialization. PR fortran/85750 gcc/fortran/ChangeLog: * resolve.cc (resolve_symbol): Reorder conditions when to apply default-initializers. gcc/testsuite/ChangeLog: * gfortran.dg/alloc_comp_auto_array_3.f90: Adjust scan counts. * gfortran.dg/alloc_comp_class_3.f03: Remove bogus warnings. * gfortran.dg/alloc_comp_class_4.f03: Likewise. * gfortran.dg/allocate_with_source_14.f03: Adjust scan count. * gfortran.dg/derived_constructor_comps_6.f90: Likewise. * gfortran.dg/derived_result_5.f90: New test.
2025-05-11Do not generate formal arglist from actual if we have already resolved it.Thomas Koenig1-3/+4
This bug was another case of generating a formal arglist from an actual one where we should not have done so. The fix is straightforward: If we have resolved the formal arglist, we should not generare a new one. OK for trunk and backport? gcc/fortran/ChangeLog: PR fortran/120163 * gfortran.h: Add formal_resolved to gfc_symbol. * resolve.cc (gfc_resolve_formal_arglist): Set it. (resolve_function): Do not call gfc_get_formal_from_actual_arglist if we already resolved a formal arglist. (resolve_call): Likewise. gcc/testsuite/ChangeLog: PR fortran/120163 * gfortran.dg/interface_61.f90: New test.
2025-05-01Fortran: Source allocation of pure function result rejected [PR119948]Paul Thomas1-0/+10
2025-05-01 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/119948 * resolve.cc (gfc_impure_variable): The result of a module procedure with an interface declaration is not impure even if the current namespace is not the same as the symbol's. gcc/testsuite/ PR fortran/119948 * gfortran.dg/pr119948.f90: New test.
2025-04-22Fortran: Improve F2018 TEAM handling [PR87326, PR87556, PR88254, PR103896]Andre Vehreschild1-25/+64
Improve the implementation of F2018 TEAM handling routines. Add runtime-functions to caf_single to allow testing. PR fortran/87326 PR fortran/87556 PR fortran/88254 PR fortran/103796 gcc/fortran/ChangeLog: * coarray.cc (split_expr_at_caf_ref): Treat polymorphic types correctly. Ensure resolve of expression after coindex. (create_allocated_callback): Fix parameter of allocated function for coarrays. (coindexed_expr_callback): Improve detection of coarrays in allocated function. * decl.cc (gfc_match_end): Add team block matching. * dump-parse-tree.cc (show_code_node): Dump change team block as such. * frontend-passes.cc (gfc_code_walker): Recognice team block. * gfortran.texi: Add documentation for team api functions. * intrinsic.texi: Add documentation about team_type in iso_fortran_env module. * iso-fortran-env.def (team_type): Use helper to get pointer kind. * match.cc (gfc_match_associate): Factor out matching of association list, because it is used in change team as well. (check_coarray_assoc): Ensure, that the association is to a coarray. (match_association_list): Match a list of association either in associate or in change team. (gfc_match_form_team): Match form team correctly include new_index. (gfc_match_change_team): Match change team with association list. (gfc_match_end_team): Match end team including stat and errmsg. (gfc_match_return): Prevent return from team block. * parse.cc (decode_statement): Sort team block. (next_statement): Same. (check_statement_label): Same. (accept_statement): Same. (verify_st_order): Same. (parse_associate): Renamed to move_associates_to_block... (move_associates_to_block): ... to enable reuse for change team. (parse_change_team): Parse it as block. (parse_executable): Same. * parse.h (enum gfc_compile_state): Add team block as compiler state. * resolve.cc (resolve_scalar_argument): New function to resolve an argument to a statement as a scalar. (resolve_form_team): Resolve its members. (resolve_change_team): Same. (resolve_branch): Prevent branch from jumping out of team block. (check_team): Removed. * trans-decl.cc (gfc_build_builtin_function_decls): Add stat and errmsg to team API functions and update their arguments. * trans-expr.cc (gfc_trans_subcomponent_assign): Also null the token when moving memory or an allocated() will not detect a free. * trans-intrinsic.cc (gfc_conv_intrinsic_caf_is_present_remote): Adapt to signature change no longer a pointer-pointer. * trans-stmt.cc (gfc_trans_form_team): Translate a form team including new_index. (gfc_trans_change_team): Translate a change team as a block. libgfortran/ChangeLog: * caf/libcaf.h: Remove commented block. (_gfortran_caf_form_team): Allow for all relevant arguments. (_gfortran_caf_change_team): Same. (_gfortran_caf_end_team): Same. (_gfortran_caf_sync_team): Same. * caf/single.c (struct caf_single_team): Team handling structures. (_gfortran_caf_init): Initialize initial team. (free_team_list): Free all teams and the memory they hold. (_gfortran_caf_finalize): Free initial and sibling teams. (_gfortran_caf_register): Add memory registered to current team. (_gfortran_caf_deregister): Unregister memory from current team. (_gfortran_caf_is_present_on_remote): Check token's memptr for llocation. May have been deallocated by an end team. (_gfortran_caf_form_team): Push a new team stub to the list. (_gfortran_caf_change_team): Push a formed team on top of the ctive teams stack. (_gfortran_caf_end_team): End the active team, free all memory allocated during its livespan. (_gfortran_caf_sync_team): Take stat and errmsg into account. gcc/testsuite/ChangeLog: * gfortran.dg/team_change_2.f90: New test. * gfortran.dg/team_change_3.f90: New test. * gfortran.dg/team_end_2.f90: New test. * gfortran.dg/team_end_3.f90: New test. * gfortran.dg/team_form_2.f90: New test. * gfortran.dg/team_form_3.f90: New test. * gfortran.dg/team_sync_2.f90: New test.
2025-04-22Fortran: Unify handling of STAT= and ERRMSG= optional arguments [PR87939]Andre Vehreschild1-1/+51
In preparing F2018 Teams handling improvements, unify handling of STAT= and ERRMSG= optional arguments. Handling of stat and errmsg in most teams statements is corrected in the next patch. Implement stat and errmsg for move_alloc () to comply with F2018. PR fortran/87939 gcc/fortran/ChangeLog: * check.cc (gfc_check_move_alloc): Add stat and errmsg to move_alloc. * dump-parse-tree.cc (show_sync_stat): New helper function. (show_code_node): Use show_sync_stat to print stat and errmsg. * gfortran.h (struct sync_stat): New struct to unify stat and errmsg handling. * intrinsic.cc (add_subroutines): Correct signature of move_alloc. * intrinsic.h (gfc_check_move_alloc): Correct signature of check_move_alloc. * match.cc (match_named_arg): Match an optional argument to a statement. (match_stat_errmsg): Match a stat= or errmsg= named argument. (gfc_match_critical): Use match_stat_errmsg to match the named arguments. (gfc_match_sync_team): Same. * resolve.cc (resolve_team_argument): Resolve an expr to have type TEAM_TYPE from iso_fortran_env. (resolve_scalar_variable_as_arg): Resolve an argument as a scalar type. (resolve_sync_stat): Resolve stat and errmsg expressions. (resolve_sync_team): Resolve a sync team statement using sync_stat helper. (resolve_end_team): Same. (resolve_critical): Same. * trans-decl.cc (gfc_build_builtin_function_decls): Correct sync_team signature. * trans-intrinsic.cc (conv_intrinsic_move_alloc): Store stat an errmsg optional arguments in helper struct and use helper to translate. * trans-stmt.cc (trans_exit): Implement DRY pattern for generating an _exit(). (gfc_trans_sync_stat): Translate stat and errmsg contents. (gfc_trans_end_team): Use helper to translate stat and errmsg. (gfc_trans_sync_team): Same. (gfc_trans_critical): Same. * trans-stmt.h (gfc_trans_sync_stat): New function. * trans.cc (gfc_deallocate_with_status): Parameterize check at runtime to allow unallocated (co-)array when freeing a structure. (gfc_deallocate_scalar_with_status): Same and also add errmsg. * trans.h (gfc_deallocate_with_status): Signature changes. (gfc_deallocate_scalar_with_status): Same. libgfortran/ChangeLog: * caf/single.c (_gfortran_caf_lock): Correct stat value, if lock is already locked by current image. (_gfortran_caf_unlock): Correct stat value, if lock is not locked. gcc/testsuite/ChangeLog: * gfortran.dg/coarray_critical_2.f90: New test. * gfortran.dg/coarray_critical_3.f90: New test. * gfortran.dg/team_sync_1.f90: New test. * gfortran.dg/move_alloc_11.f90: New test.
2025-04-18Fortran: Fix checking for IMPURE in DO CONCURRENT.Steven G. Kargl1-10/+39
PR fortran/119836 gcc/fortran/ChangeLog: * resolve.cc (check_pure_function): Fix checking for an impure subprogram within a DO CONCURRENT construct. (pure_subroutine): Ditto. gcc/testsuite/ChangeLog: * gfortran.dg/do_concurrent_all_clauses.f90: Remove invalid dg-error test. * gfortran.dg/pr119836_1.f90: New test. * gfortran.dg/pr119836_2.f90: New test. * gfortran.dg/pr119836_3.f90: New test. * gfortran.dg/pr119836_4.f90: New test.
2025-04-16Fortran: pure subroutine with pure procedure as dummy [PR106948]Harald Anlauf1-0/+7
PR fortran/106948 gcc/fortran/ChangeLog: * resolve.cc (gfc_pure_function): If a function has been resolved, but esym is not yet set, look at its attributes to see whether it is pure or elemental. gcc/testsuite/ChangeLog: * gfortran.dg/pure_formal_proc_4.f90: New test.
2025-04-09Fortran: Add code gen for do,concurrent's LOCAL/LOCAL_INIT [PR101602]Tobias Burnus1-7/+0
Implement LOCAL and LOCAL_INIT; we locally replace the tree declaration by a local declaration of the outer variable. The 'local_init' then assigns the value at the beginning of each loop iteration from the outer declaration. Note that the current implementation does not handle LOCAL with types that have a default initializer and LOCAL/LOCAL_INIT for assumed-shape arrays; this is diagnosed with a sorry error. PR fortran/101602 gcc/fortran/ChangeLog: * resolve.cc (resolve_locality_spec): Remove 'sorry, unimplemented'. * trans-stmt.cc (struct symbol_and_tree_t): New. (gfc_trans_concurrent_locality_spec): New. (gfc_trans_forall_1): Call it; update to handle local and local_init. * trans-decl.cc (gfc_start_saved_local_decls, gfc_stop_saved_local_decls): New; moved code from ... (gfc_process_block_locals): ... here. Call it. * trans.h (gfc_start_saved_local_decls, gfc_stop_saved_local_decls): Declare. gcc/testsuite/ChangeLog: * gfortran.dg/do_concurrent_8_f2023.f90: Update for removed 'sorry, unimplemented'. * gfortran.dg/do_concurrent_9.f90: Likewise. * gfortran.dg/do_concurrent_all_clauses.f90: Likewise. * gfortran.dg/do_concurrent_local_init.f90: Likewise. * gfortran.dg/do_concurrent_locality_specs.f90: Likewise. * gfortran.dg/do_concurrent_11.f90: New test. * gfortran.dg/do_concurrent_12.f90: New test. * gfortran.dg/do_concurrent_13.f90: New test. * gfortran.dg/do_concurrent_14.f90: New test. * gfortran.dg/do_concurrent_15.f90: New test.
2025-03-26Fortran: fix bogus recursion with DT default initialization [PR118796]Harald Anlauf1-1/+2
PR fortran/118796 gcc/fortran/ChangeLog: * resolve.cc: Do not apply default initialization to a derived-type function result if the resolved function is use-associated. gcc/testsuite/ChangeLog: * gfortran.dg/derived_result_4.f90: New test.
2025-03-22Fix up some further cases of missing or extraneous spaces in diagnosticsJakub Jelinek1-1/+1
Given the recent PR119406 I've tried to grep for concatenated string literals without space at the end of one line and at the start of next line, unless it was obviously intentional. Furthermore, I've then looked through gcc.pot looking for 2 adjacent spaces and looking back if that wasn't the case of "something " " with spaces at both sides". Here is the result from that. I think just the c.opt change needs an explanation, the "" in the description is simply eaten up somewhere during the option processing and gcc -v --help before this patch was displaying -Wdeprecated-literal-operator Warn about deprecated space between and suffix in a user-defined literal operator. 2025-03-22 Jakub Jelinek <jakub@redhat.com> gcc/ * gimplify.cc (warn_switch_unreachable_and_auto_init_r): Add missing space in the middle of diagnostics. * tree-vect-stmts.cc (vectorizable_load): Add missing space in the middle of debug dump message. * sym-exec/sym-exec-state.cc (state::check_args_compatibility): Likewise. gcc/c-family/ * c.opt (Wdeprecated-literal-operator): Use \"\" rather than "" in option description. gcc/fortran/ * resolve.cc (resolve_procedure_expression): Remove extraneous space from the middle of diagnostics.
2025-03-21Fortran: Fix typo in error message.Jerry DeLisle1-1/+1
PR fortran/119406 gcc/fortran/ChangeLog: * resolve.cc (resolve_locality_spec): Add space in error message.
2025-03-19Fortran: Fix comp call in associate [PR119272]Andre Vehreschild1-2/+3
PR fortran/119272 gcc/fortran/ChangeLog: * resolve.cc (resolve_compcall): Postpone error report when symbol is not resolved yet for component call resolve. gcc/testsuite/ChangeLog: * gfortran.dg/associate_74.f90: New test.
2025-03-18Fortran: check type-spec in ALLOCATE of dummy with assumed length [PR119338]Harald Anlauf1-0/+16
PR fortran/119338 gcc/fortran/ChangeLog: * resolve.cc (resolve_allocate_expr): Check F2003:C626: Type-spec in ALLOCATE of an assumed-length character dummy argument shall be an asterisk. gcc/testsuite/ChangeLog: * gfortran.dg/deferred_character_18.f90: Adjust testcase. * gfortran.dg/allocate_assumed_charlen_5.f90: New test.
2025-03-16Fortran: fix bogus dependency check in ALLOCATE statement [PR60560]Harald Anlauf1-2/+10
Restrict dependency check of ALLOCATE object to variables in the same statement, but exclude check of length type parameter that might be set in the declaration and could lead to a bogus cyclic dependency. PR fortran/60560 gcc/fortran/ChangeLog: * expr.cc (gfc_traverse_expr): Do not descend into length type parameter for negative values of auxiliary parameter f. * resolve.cc (gfc_find_var_in_expr): New helper function to check dependence of an expression on given variable. (resolve_allocate_expr): Use it to determine if array bounds in an ALLOCATE statement depend explicitly on a variable. gcc/testsuite/ChangeLog: * gfortran.dg/allocate_error_8.f90: New test.
2025-03-12Fortran: Add F2018 TEAM_NUMBER to coindexed expressions [PR98903]Andre Vehreschild1-0/+75
Add missing parsing and code generation for a[..., TEAM_NUMBER=...] as defined from F2015 onwards. Because F2015 is not used as dedicated standard in GFortran add it to the F2018 standard feature set. PR fortran/98903 gcc/fortran/ChangeLog: * array.cc (gfc_copy_array_ref): Copy team, team_type and stat. (match_team_or_stat): Match a single team(_number)= or stat=. (gfc_match_array_ref): Add switching to image_selector_parsing and error handling when indices come after named arguments. * coarray.cc (move_coarray_ref): Move also team_type. * expr.cc (gfc_free_ref_list): Free team and stat expression. (gfc_find_team_co): Find team or team_number in array-ref. * gfortran.h (enum gfc_array_ref_team_type): New enum to distinguish unset, team or team_number expression. (gfc_find_team_co): Default searching to team= expressions. * resolve.cc (resolve_array_ref): Check for type correctness of team(_number) and stats in coindices. * trans-array.cc (gfc_conv_array_ref): Ensure stat is cleared when fcoarray=single is used. * trans-intrinsic.cc (conv_stat_and_team): Including team_number in conversion. (gfc_conv_intrinsic_caf_get): Propagate team_number to ABI routine. (conv_caf_send_to_remote): Same. (conv_caf_sendget): Same. gcc/testsuite/ChangeLog: * gfortran.dg/coarray/coindexed_2.f90: New test. * gfortran.dg/coarray/coindexed_3.f08: New test. * gfortran.dg/coarray/coindexed_4.f08: New test.
2025-03-11Abstract interfaces and dummy arguments are not global.Thomas Koenig1-2/+4
The attached patch makes sure that procedures from abstract interfaces and dummy arguments are not put into the global symbol table, and are not checked against global symbols. gcc/fortran/ChangeLog: PR fortran/119078 * frontend-passes.cc (check_against_globals): Do not check for abstract interfaces or dummy arguments. * resolve.cc (gfc_verify_binding_labels): Adjust comment. Do not put abstract interfaces or dummy argument into global namespace. gcc/testsuite/ChangeLog: PR fortran/119078 * gfortran.dg/interface_58.f90: New test.
2025-03-07Fortran: Fix ICE in resolve.cc with -pedanticJerry DeLisle1-1/+3
Fixes an ICE in gfc_resolve_code when passing an optional array to an elemental procedure with `-pedantic` enabled. PR95446 added the original check, this patch fixes the case where the other actual argument is an array literal (or something else other than a variable). PR fortran/119054 gcc/fortran/ChangeLog: * resolve.cc (resolve_elemental_actual): When checking other actual arguments to elemental procedures, don't check attributes of literals and function calls. gcc/testsuite/ChangeLog: * gfortran.dg/pr95446.f90: Expand test case to literals and function calls. Signed-off-by: Peter Hill <peter.hill@york.ac.uk>
2025-03-04C prototypes for external arguments; add warning for mismatch.Thomas Koenig1-0/+63
The problem was that we were not handling external dummy arguments with -fc-prototypes-external. In looking at this, I found that we were not warning about external procedures with different argument lists. This can actually be legal (see the two test cases) but creates a problem for the C prototypes: If we have something like subroutine foo(a,n) external a if (n == 1) call a(1) if (n == 2) call a(2,3) end subroutine foo then, pre-C23, we could just have written out the prototype as void foo_ (void (*a) (), int *n); but this is illegal in C23. What to do? I finally chose to warn about the argument mismatch, with a new option. Warn only because the code above is legal, but include in -Wall because such code seems highly suspect. This option is also implied in -fc-prototypes-external. I also put a warning in the generated header file in that case, so users have a chance to see what is going on (especially since gcc now defaults to C23). gcc/fortran/ChangeLog: PR fortran/119049 PR fortran/119074 * dump-parse-tree.cc (seen_conflict): New static varaible. (gfc_dump_external_c_prototypes): Initialize it. If it was set, write out a warning that -std=c23 will not work. (write_proc): Move the work of actually writing out the formal arglist to... (write_formal_arglist): New function. Handle external dummy parameters and their argument lists. If there were mismatched arguments, output an empty argument list in pre-C23 style. * gfortran.h (struct gfc_symbol): Add ext_dummy_arglist_mismatch flag and formal_at. * invoke.texi: Document -Wexternal-argument-mismatch. * lang.opt: Put it in. * resolve.cc (resolve_function): If warning about external argument mismatches, build a formal from actual arglist the first time around, and later compare and warn. (resolve_call): Likewise gcc/testsuite/ChangeLog: PR fortran/119049 PR fortran/119074 * gfortran.dg/interface_55.f90: New test. * gfortran.dg/interface_56.f90: New test.
2025-02-28Fortran: Ensure finalizer is called for unreferenced variable [PR118730]Andre Vehreschild1-0/+8
PR fortran/118730 gcc/fortran/ChangeLog: * resolve.cc: Mark unused derived type variable with finalizers referenced to execute finalizer when leaving scope. gcc/testsuite/ChangeLog: * gfortran.dg/class_array_15.f03: Remove unused variable. * gfortran.dg/coarray_poly_7.f90: Adapt scan-tree-dump expr. * gfortran.dg/coarray_poly_8.f90: Same. * gfortran.dg/finalize_60.f90: New test.
2025-02-20Fortran: Add send_to_remote [PR107635]Andre Vehreschild1-2/+1
Refactor to use send_to_remote instead of the slow send_by_ref. gcc/fortran/ChangeLog: PR fortran/107635 * coarray.cc (move_coarray_ref): Move the coarray reference out of the given one. Especially when there is a regular array ref. (fixup_comp_refs): Move components refs to a derived type where the codim has been removed, aka a new type. (split_expr_at_caf_ref): Correctly split the reference chain. (remove_caf_ref): Simplify. (create_get_callback): Fix some deficiencies. (create_allocated_callback): Adapt to new signature of split. (create_send_callback): New function. (rewrite_caf_send): Rewrite a call to caf_send to caf_send_to_remote. (coindexed_code_callback): Treat caf_send and caf_sendget correctly. * gfortran.h (enum gfc_isym_id): Add SENDGET-isym. * gfortran.texi: Add documentation for send_to_remote. * resolve.cc (gfc_resolve_code): No longer generate send_by_ref when allocatable coarray (component) is on the lhs. * trans-decl.cc (gfc_build_builtin_function_decls): Add caf_send_to_remote decl. * trans-intrinsic.cc (conv_caf_func_index): Ensure the static variables created are not in a block-scope. (conv_caf_send_to_remote): Translate caf_send_to_remote calls. (conv_caf_send): Renamed to conv_caf_sendget. (conv_caf_sendget): Renamed from conv_caf_send. (gfc_conv_intrinsic_subroutine): Branch correctly for conv_caf_send and sendget. * trans.h: Correct decl. libgfortran/ChangeLog: * caf/libcaf.h: Add/Correct prototypes for caf_get_from_remote, caf_send_to_remote. * caf/single.c (struct accessor_hash_t): Rename accessor_t to getter_t. (_gfortran_caf_register_accessor): Use new name of getter_t. (_gfortran_caf_send_to_remote): New function for sending data to coarray on a remote image. gcc/testsuite/ChangeLog: * gfortran.dg/coarray/send_char_array_1.f90: Extend test to catch more cases. * gfortran.dg/coarray_42.f90: Invert tests use, because no longer a send is needed when local memory in a coarray is allocated.
2025-02-20Fortran: Move caf_get-rewrite to coarray.cc [PR107635]Andre Vehreschild1-691/+2
Add a rewriter to keep all expression tree that is not optimization together. At the moment this is just a move from resolve.cc, but will be extended to handle more cases where rewriting the expression tree may be easier. The first use case is to extract accessors for coarray remote image data access. gcc/fortran/ChangeLog: PR fortran/107635 * Make-lang.in: Add coarray.cc. * coarray.cc: New file. * gfortran.h (gfc_coarray_rewrite): New procedure. * parse.cc (rewrite_expr_tree): Add entrypoint for rewriting expression trees. * resolve.cc (gfc_resolve_ref): Remove caf_lhs handling. (get_arrayspec_from_expr): Moved to rewrite.cc. (remove_coarray_from_derived_type): Same. (convert_coarray_class_to_derived_type): Same. (split_expr_at_caf_ref): Same. (check_add_new_component): Same. (create_get_parameter_type): Same. (create_get_callback): Same. (add_caf_get_intrinsic): Same. (resolve_variable): Remove caf_lhs handling. libgfortran/ChangeLog: * caf/single.c (_gfortran_caf_finalize): Free memory preventing leaks. (_gfortran_caf_get_by_ct): Fix constness. * caf/libcaf.h (_gfortran_caf_register_accessor): Fix constness.
2025-02-15Fortran: gfortran allows type(C_ptr) in I/O listJerry DeLisle1-2/+2
Before this patch, gfortran was accepting invalid use of type(c_ptr) in I/O statements. The fix affects several existing test cases so no new test case needed. Existing tests were modified to pass by either using the transfer function to convert to an acceptable value or using an assignment to a like type (non-I/O). PR fortran/117430 gcc/fortran/ChangeLog: * resolve.cc (resolve_transfer): Change gfc_notify_std to gfc_error. gcc/testsuite/ChangeLog: * gfortran.dg/c_loc_test_17.f90: Use an assignment rather than PRINT. * gfortran.dg/c_ptr_tests_10.f03: Use a transfer function. * gfortran.dg/c_ptr_tests_16.f90: Use an assignment. * gfortran.dg/c_ptr_tests_9.f03: Use a transfer function. * gfortran.dg/init_flag_17.f90: Likewise. * gfortran.dg/pr32601_1.f03: Use an assignment.
2025-02-10Fortran: checking of pointer targets for structure constructors [PR56423]Harald Anlauf1-1/+11
Check the target of a pointer component in a structure constructor for same ranks, and that the initial-data-target does not have vector subscripts. PR fortran/56423 gcc/fortran/ChangeLog: * resolve.cc (resolve_structure_cons): Check rank of pointer target; reject pointer target with vector subscripts. gcc/testsuite/ChangeLog: * gfortran.dg/derived_constructor_comps_2.f90: Adjust test. * gfortran.dg/derived_constructor_comps_8.f90: New test.
2025-02-06Fortran: FIx ICE in associate with elemental function [PR118750]Paul Thomas1-1/+1
2025-02-06 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/118750 * resolve.cc (resolve_assoc_var): If the target expression has a rank, do not use gfc_expression_rank, since it will return 0 if the function is elemental. Resolution will have produced the correct rank. gcc/testsuite/ PR fortran/118750 * gfortran.dg/associate_72.f90: New test.
2025-02-04Add modular exponentiation for UNSIGNED.Thomas Koenig1-13/+0
gcc/fortran/ChangeLog: * arith.cc (arith_power): Handle modular arithmetic for BT_UNSIGNED. (eval_intrinsic): Error for unsigned exponentiation with -pedantic. * expr.cc (gfc_type_convert_binary): Use type of first argument for unsigned exponentiation. * gfortran.texi: Mention arithmetic exponentiation. * resolve.cc (resolve_operator): Allow unsigned exponentiation. * trans-decl.cc (gfc_build_intrinsic_function_decls): Build declarations for unsigned exponentiation. * trans-expr.cc (gfc_conv_cst_uint_power): New function. (gfc_conv_power_op): Call it. Handle unsigned exponentiation. * trans.h (gfor_fndecl_unsigned_pow_list): Add declaration. libgfortran/ChangeLog: * Makefile.am: Add files for unsigned exponentiation. * Makefile.in: Regenerate. * gfortran.map: Add functions for unsigned exponentiation. * generated/pow_m16_m1.c: New file. * generated/pow_m16_m16.c: New file. * generated/pow_m16_m2.c: New file. * generated/pow_m16_m4.c: New file. * generated/pow_m16_m8.c: New file. * generated/pow_m1_m1.c: New file. * generated/pow_m1_m16.c: New file. * generated/pow_m1_m2.c: New file. * generated/pow_m1_m4.c: New file. * generated/pow_m1_m8.c: New file. * generated/pow_m2_m1.c: New file. * generated/pow_m2_m16.c: New file. * generated/pow_m2_m2.c: New file. * generated/pow_m2_m4.c: New file. * generated/pow_m2_m8.c: New file. * generated/pow_m4_m1.c: New file. * generated/pow_m4_m16.c: New file. * generated/pow_m4_m2.c: New file. * generated/pow_m4_m4.c: New file. * generated/pow_m4_m8.c: New file. * generated/pow_m8_m1.c: New file. * generated/pow_m8_m16.c: New file. * generated/pow_m8_m2.c: New file. * generated/pow_m8_m4.c: New file. * generated/pow_m8_m8.c: New file. * m4/powu.m4: New file. gcc/testsuite/ChangeLog: * gfortran.dg/unsigned_15.f90: Adjust error messages. * gfortran.dg/unsigned_43.f90: New test. * gfortran.dg/unsigned_44.f90: New test.
2025-01-31Fortran: host association issue with symbol in COMMON block [PR108454]Harald Anlauf1-1/+8
When resolving a flavorless symbol that is already registered with a COMMON block, and which neither has the intrinsic, generic, or external attribute, skip searching among interfaces to avoid false resolution to a derived type of the same name. PR fortran/108454 gcc/fortran/ChangeLog: * resolve.cc (resolve_common_blocks): Initialize variable. (resolve_symbol): If a symbol is already registered with a COMMON block, do not search for an interface with the same name. gcc/testsuite/ChangeLog: * gfortran.dg/common_29.f90: New test.
2025-01-30OpenMP: Fortran support for metadirectives and dynamic selectorsSandra Loosemore1-0/+6
gcc/fortran/ChangeLog PR middle-end/112779 PR middle-end/113904 * decl.cc (gfc_match_end): Handle COMP_OMP_BEGIN_METADIRECTIVE and COMP_OMP_METADIRECTIVE. * dump-parse-tree.cc (show_omp_node): Handle EXEC_OMP_METADIRECTIVE. (show_code_node): Likewise. * gfortran.h (enum gfc_statement): Add ST_OMP_METADIRECTIVE, ST_OMP_BEGIN_METADIRECTIVE, and ST_OMP_END_METADIRECTIVE. (struct gfc_omp_clauses): Rename target_first_st_is_teams to target_first_st_is_teams_or_meta. (struct gfc_omp_variant): New. (gfc_get_omp_variant): New. (struct gfc_st_label): Add omp_region field. (enum gfc_exec_op): Add EXEC_OMP_METADIRECTIVE. (struct gfc_code): Add omp_variants fields. (gfc_free_omp_variants): Declare. (match_omp_directive): Declare. (is_omp_declarative_stmt): Declare. * io.cc (format_asterisk): Adjust initializer. * match.h (gfc_match_omp_begin_metadirective): Declare. (gfc_match_omp_metadirective): Declare. * openmp.cc (gfc_omp_directives): Uncomment metadirective. (gfc_match_omp_eos): Adjust to match context selectors. (gfc_free_omp_variants): New. (gfc_match_omp_clauses): Remove context_selector parameter and adjust to use gfc_match_omp_eos instead. (match_omp): Adjust call to gfc_match_omp_clauses. (gfc_match_omp_context_selector): Add metadirective_p parameter and adjust error-checking. Adjust matching of simd clauses. (gfc_match_omp_context_selector_specification): Adjust parameters so it can be used for metadirective as well as declare variant. (match_omp_metadirective): New. (gfc_match_omp_begin_metadirective): New. (gfc_match_omp_metadirective): New. (resolve_omp_metadirective): New. (resolve_omp_target): Handle metadirectives. (gfc_resolve_omp_directive): Handle EXEC_OMP_METADIRECTIVE. * parse.cc (gfc_matching_omp_context_selector): New. (gfc_in_omp_metadirective_body): New. (gfc_omp_region_count): New. (decode_omp_directive): Handle ST_OMP_BEGIN_METADIRECTIVE and ST_OMP_METADIRECTIVE. (match_omp_directive): New. (case_omp_structured_block): Define. (case_omp_do): Define. (gfc_ascii_statement): Handle ST_OMP_BEGIN_METADIRECTIVE, ST_OMP_END_METADIRECTIVE, and ST_OMP_METADIRECTIVE. (accept_statement): Handle ST_OMP_METADIRECTIVE and ST_OMP_BEGIN_METADIRECTIVE. (gfc_omp_end_stmt): New, split from... (parse_omp_do): ...here, and... (parse_omp_structured_block): ...here. Handle metadirectives, plus "allocate", "atomic", and "dispatch" which were missing. (parse_omp_oacc_atomic): Handle "end metadirective". (parse_openmp_allocate_block): Likewise. (parse_omp_dispatch): Likewise. (parse_omp_metadirective_body): New. (parse_executable): Handle metadirective. Use new case macros defined above. (gfc_parse_file): Initialize metadirective state. (is_omp_declarative_stmt): New. * parse.h (enum gfc_compile_state): Add COMP_OMP_METADIRECTIVE and COMP_OMP_BEGIN_METADIRECTIVE. (gfc_omp_end_stmt): Declare. (gfc_matching_omp_context_selector): Declare. (gfc_in_omp_metadirective_body): Declare. (gfc_omp_metadirective_region_count): Declare. * resolve.cc (gfc_resolve_code): Handle EXEC_OMP_METADIRECTIVE. * st.cc (gfc_free_statement): Likewise. * symbol.cc (compare_st_labels): Handle labels within a metadirective body. (gfc_get_st_label): Likewise. * trans-decl.cc (gfc_get_label_decl): Encode the metadirective region in the label_name. * trans-openmp.cc (gfc_trans_omp_directive): Handle EXEC_OMP_METADIRECTIVE. (gfc_trans_omp_set_selector): New, split/adapted from code.... (gfc_trans_omp_declare_variant): ...here. (gfc_trans_omp_metadirective): New. * trans-stmt.h (gfc_trans_omp_metadirective): Declare. * trans.cc (trans_code): Handle EXEC_OMP_METADIRECTIVE. gcc/testsuite/ChangeLog PR middle-end/112779 PR middle-end/113904 * gfortran.dg/gomp/metadirective-1.f90: New. * gfortran.dg/gomp/metadirective-10.f90: New. * gfortran.dg/gomp/metadirective-11.f90: New. * gfortran.dg/gomp/metadirective-12.f90: New. * gfortran.dg/gomp/metadirective-13.f90: New. * gfortran.dg/gomp/metadirective-2.f90: New. * gfortran.dg/gomp/metadirective-3.f90: New. * gfortran.dg/gomp/metadirective-4.f90: New. * gfortran.dg/gomp/metadirective-5.f90: New. * gfortran.dg/gomp/metadirective-6.f90: New. * gfortran.dg/gomp/metadirective-7.f90: New. * gfortran.dg/gomp/metadirective-8.f90: New. * gfortran.dg/gomp/metadirective-9.f90: New. * gfortran.dg/gomp/metadirective-construct.f90: New. * gfortran.dg/gomp/metadirective-no-score.f90: New. * gfortran.dg/gomp/pure-1.f90 (func_metadirective): New. (func_metadirective_2): New. (func_metadirective_3): New. * gfortran.dg/gomp/pure-2.f90 (func_metadirective): Delete. libgomp/ChangeLog PR middle-end/112779 PR middle-end/113904 * testsuite/libgomp.fortran/metadirective-1.f90: New. * testsuite/libgomp.fortran/metadirective-2.f90: New. * testsuite/libgomp.fortran/metadirective-3.f90: New. * testsuite/libgomp.fortran/metadirective-4.f90: New. * testsuite/libgomp.fortran/metadirective-5.f90: New. * testsuite/libgomp.fortran/metadirective-6.f90: New. Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com> Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com> Co-Authored-By: Tobias Burnus <tobias@codesourcery.com> Co-Authored-By: Paul-Antoine Arras <pa@codesourcery.com>
2025-01-27Fortran: ICE in gfc_conv_expr_present w. defined assignment [PR118640]Paul Thomas1-0/+5
2025-01-27 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/118640 * resolve.cc (generate_component_assignments): Make sure that the rhs temporary does not pick up the optional attribute from the lhs. gcc/testsuite/ PR fortran/118640 * gfortran.dg/pr118640.f90: New test.
2025-01-15Fortran: reject NULL as source-expr in ALLOCATE with SOURCE= or MOLD= [PR71884]Harald Anlauf1-0/+12
PR fortran/71884 gcc/fortran/ChangeLog: * resolve.cc (resolve_allocate_expr): Reject intrinsic NULL as source-expr. gcc/testsuite/ChangeLog: * gfortran.dg/pr71884.f90: New test.
2025-01-13Fortran: Add LOCALITY support for DO_CONCURRENTAnuj Mohite1-3/+351
This patch provided by Anuj Mohite as part of the GSoC project. It is modified slightly by Jerry DeLisle for minor formatting. The patch provides front-end parsing of the LOCALITY specs in DO_CONCURRENT and adds numerous test cases. gcc/fortran/ChangeLog: * dump-parse-tree.cc (show_code_node): Updated to use c->ext.concur.forall_iterator instead of c->ext.forall_iterator. * frontend-passes.cc (index_interchange): Updated to use c->ext.concur.forall_iterator instead of c->ext.forall_iterator. (gfc_code_walker): Likewise. * gfortran.h (enum locality_type): Added new enum for locality types in DO CONCURRENT constructs. * match.cc (match_simple_forall): Updated to use new_st.ext.concur.forall_iterator instead of new_st.ext.forall_iterator. (gfc_match_forall): Likewise. (gfc_match_do): Implemented support for matching DO CONCURRENT locality specifiers (LOCAL, LOCAL_INIT, SHARED, DEFAULT(NONE), and REDUCE). * parse.cc (parse_do_block): Updated to use new_st.ext.concur.forall_iterator instead of new_st.ext.forall_iterator. * resolve.cc (struct check_default_none_data): Added struct check_default_none_data. (do_concur_locality_specs_f2023): New function to check compliance with F2023's C1133 constraint for DO CONCURRENT. (check_default_none_expr): New function to check DEFAULT(NONE) compliance. (resolve_locality_spec): New function to resolve locality specs. (gfc_count_forall_iterators): Updated to use code->ext.concur.forall_iterator. (gfc_resolve_forall): Updated to use code->ext.concur.forall_iterator. * st.cc (gfc_free_statement): Updated to free locality specifications and use p->ext.concur.forall_iterator. * trans-stmt.cc (gfc_trans_forall_1): Updated to use code->ext.concur.forall_iterator. gcc/testsuite/ChangeLog: * gfortran.dg/do_concurrent_10.f90: New test. * gfortran.dg/do_concurrent_8_f2018.f90: New test. * gfortran.dg/do_concurrent_8_f2023.f90: New test. * gfortran.dg/do_concurrent_9.f90: New test. * gfortran.dg/do_concurrent_all_clauses.f90: New test. * gfortran.dg/do_concurrent_basic.f90: New test. * gfortran.dg/do_concurrent_constraints.f90: New test. * gfortran.dg/do_concurrent_local_init.f90: New test. * gfortran.dg/do_concurrent_locality_specs.f90: New test. * gfortran.dg/do_concurrent_multiple_reduce.f90: New test. * gfortran.dg/do_concurrent_nested.f90: New test. * gfortran.dg/do_concurrent_parser.f90: New test. * gfortran.dg/do_concurrent_reduce_max.f90: New test. * gfortran.dg/do_concurrent_reduce_sum.f90: New test. * gfortran.dg/do_concurrent_shared.f90: New test. Signed-off-by: Anuj <anujmohite001@gmail.com>
2025-01-09Fortran: Cylce detection for non vtypes only. [PR118337]Andre Vehreschild1-1/+2
gcc/fortran/ChangeLog: PR fortran/118337 * resolve.cc (resolve_fl_derived0): Exempt vtypes from cycle detection.
2025-01-07Fortran: Extend cylic type detection for deallocate [PR116669]Andre Vehreschild1-4/+54
Using cycles in derived/class types lead to the compiler doing a endless recursion in several locations, when the cycle was not immediate. An immediate cyclic dependency is present in, for example T T::comp. Cylcic dependencies of the form T T2::comp; T2 T::comp2; are now detected and the recursive bit in the derived type's attr is set. gcc/fortran/ChangeLog: PR fortran/116669 * class.cc (gfc_find_derived_vtab): Use attr to determine cyclic type dependendies. * expr.cc (gfc_has_default_initializer): Prevent endless recursion by storing already visited derived types. * resolve.cc (resolve_cyclic_derived_type): Determine if a type is used in its hierarchy in a cyclic way. (resolve_fl_derived0): Call resolve_cyclic_derived_type. (resolve_fl_derived): Ensure vtab is generated when cyclic derived types have allocatable components. * trans-array.cc (structure_alloc_comps): Prevent endless loop for derived type cycles. * trans-expr.cc (gfc_get_ultimate_alloc_ptr_comps_caf_token): Off topic, just prevent memory leaks. gcc/testsuite/ChangeLog: * gfortran.dg/class_array_15.f03: Freeing more memory. * gfortran.dg/recursive_alloc_comp_6.f90: New test.
2025-01-02OpenMP: Fortran front-end support for dispatch + adjust_argsPaul-Antoine Arras1-1/+3
This patch adds support for the `dispatch` construct and the `adjust_args` clause to the Fortran front-end. Handling of `adjust_args` across translation units is missing due to PR115271. Minor modifications to the C++ FE and the ME are also folded into this patch as a side effect of the Fortran work. gcc/c-family/ChangeLog: * c-attribs.cc: (c_common_gnu_attributes): Rename "omp declare variant variant adjust_args" into "omp declare variant variant args" to also accommodate append_args. gcc/cp/ChangeLog: * parser.cc (cp_parser_omp_dispatch): Handle INDIRECT_REF. gcc/fortran/ChangeLog: * dump-parse-tree.cc (show_omp_clauses): Handle novariants and nocontext clauses. (show_omp_node): Handle EXEC_OMP_DISPATCH. (show_code_node): Likewise. * frontend-passes.cc (gfc_code_walker): Handle novariants and nocontext. * gfortran.h (enum gfc_statement): Add ST_OMP_DISPATCH. (symbol_attribute): Add omp_declare_variant_need_device_ptr. (gfc_omp_clauses): Add novariants and nocontext. (gfc_omp_declare_variant): Add need_device_ptr_arg_list. (enum gfc_exec_op): Add EXEC_OMP_DISPATCH. * match.h (gfc_match_omp_dispatch): Declare. * openmp.cc (gfc_free_omp_clauses): Free novariants and nocontext clauses. (gfc_free_omp_declare_variant_list): Free need_device_ptr_arg_list namelist. (enum omp_mask2): Add OMP_CLAUSE_NOVARIANTS and OMP_CLAUSE_NOCONTEXT. (gfc_match_omp_clauses): Handle OMP_CLAUSE_NOVARIANTS and OMP_CLAUSE_NOCONTEXT. (OMP_DISPATCH_CLAUSES): Define. (gfc_match_omp_dispatch): New function. (gfc_match_omp_declare_variant): Parse adjust_args. (resolve_omp_clauses): Handle adjust_args, novariants and nocontext. Adjust handling of OMP_LIST_IS_DEVICE_PTR. (icode_code_error_callback): Handle EXEC_OMP_DISPATCH. (omp_code_to_statement): Likewise. (resolve_omp_dispatch): New function. (gfc_resolve_omp_directive): Handle EXEC_OMP_DISPATCH. * parse.cc (decode_omp_directive): Match dispatch. (next_statement): Handle ST_OMP_DISPATCH. (gfc_ascii_statement): Likewise. (parse_omp_dispatch): New function. (parse_executable): Handle ST_OMP_DISPATCH. * resolve.cc (gfc_resolve_blocks): Handle EXEC_OMP_DISPATCH. * st.cc (gfc_free_statement): Likewise. * trans-decl.cc (create_function_arglist): Declare. (gfc_get_extern_function_decl): Call it. * trans-openmp.cc (gfc_trans_omp_clauses): Handle novariants and nocontext. (replace_omp_dispatch_call): New function. (gfc_trans_omp_dispatch): New function. (gfc_trans_omp_directive): Handle EXEC_OMP_DISPATCH. (gfc_trans_omp_declare_variant): Handle adjust_args. * trans.cc (trans_code): Handle EXEC_OMP_DISPATCH:. gcc/ChangeLog: * gimplify.cc (gimplify_call_expr): Fix handling of need_device_ptr for type(c_ptr). Fix handling of nested function calls in a dispatch region. (find_ifn_gomp_dispatch): Return the IFN without stripping it. (gimplify_omp_dispatch): Keep IFN_GOMP_DISPATCH until gimplify_call_expr. libgomp/ChangeLog: * testsuite/libgomp.fortran/declare-variant-2-aux.f90: New test. * testsuite/libgomp.fortran/declare-variant-2.f90: New test (xfail). * testsuite/libgomp.fortran/dispatch-1.f90: New test. * testsuite/libgomp.fortran/dispatch-2.f90: New test. * testsuite/libgomp.fortran/dispatch-3.f90: New test. gcc/testsuite/ChangeLog: * g++.dg/gomp/dispatch-3.C: Update scan dumps. * gfortran.dg/gomp/declare-variant-2.f90: Update dg-error. * gfortran.dg/gomp/adjust-args-1.f90: New test. * gfortran.dg/gomp/adjust-args-2.f90: New test. * gfortran.dg/gomp/adjust-args-2a.f90: New test. * gfortran.dg/gomp/adjust-args-3.f90: New test. * gfortran.dg/gomp/adjust-args-4.f90: New test. * gfortran.dg/gomp/adjust-args-5.f90: New test. * gfortran.dg/gomp/adjust-args-6.f90: New test. * gfortran.dg/gomp/adjust-args-7.f90: New test. * gfortran.dg/gomp/adjust-args-8.f90: New test. * gfortran.dg/gomp/adjust-args-9.f90: New test. * gfortran.dg/gomp/dispatch-1.f90: New test. * gfortran.dg/gomp/dispatch-2.f90: New test. * gfortran.dg/gomp/dispatch-3.f90: New test. * gfortran.dg/gomp/dispatch-4.f90: New test. * gfortran.dg/gomp/dispatch-5.f90: New test. * gfortran.dg/gomp/dispatch-6.f90: New test. * gfortran.dg/gomp/dispatch-7.f90: New test. * gfortran.dg/gomp/dispatch-8.f90: New test. * gfortran.dg/gomp/dispatch-9.f90: New test. * gfortran.dg/gomp/dispatch-9a.f90: New test. * gfortran.dg/gomp/dispatch-10.f90: New test.
2025-01-02Update copyright years.Jakub Jelinek1-1/+1
2024-12-22Fortran: Replace getting of coarray data with accessor-based version. [PR107635]Andre Vehreschild1-16/+630
Getting coarray data from remote images was slow, inefficient and did not work for object files that where not compiled with coarray support for derived types with allocatable/pointer components. The old approach emulated accessing data through a whole structure ref, which was error prone for corner cases. Furthermore was did it have a runtime complexity of O(N), where N is the number of allocatable/pointer components and descriptors involved. Each of those needed communication twice. The new approach creates a routine for each access into a coarray object putting all required operations there. Looking a tree-dump one will see those small routines. But this time it is just compiled fortran with all the knowledge of the compiler of bounds and so on. New paradigms will be available out of the box. Furthermore is the complexity of the communication reduced to be O(1). E.g. the mpi implementation sends one message for the parameters of the access and one message back with the results without caring about the number of allocatable/pointer/descriptor components in the access. Identification of access routines is done be adding them to a hash map, where the hash is the same on all images. Translating the hash to an index, which is the same on all images again, allows for fast calls of the access routines. Resolving the hash to an index is cached at runtime, preventing additional hash map lookups. A hashmap was use because not all processor OS combinations may use the same address for the access routine. gcc/fortran/ChangeLog: PR fortran/107635 * gfortran.h (gfc_add_caf_accessor): New function. * gfortran.texi: Document new API routines. * resolve.cc (get_arrayspec_from_expr): Synthesize the arrayspec resulting from an expression, i.e. not only the rank, but also the bounds. (remove_coarray_from_derived_type): Remove coarray ref from a derived type to access it in access routine. (convert_coarray_class_to_derived_type): Same but for classes. The result is a derived type. (split_expr_at_caf_ref): Split an expression at the coarray reference to move the reference after the coarray ref into the access routine. (check_add_new_component): Helper to add variables as components to derived type transfered to the access routine. (create_get_parameter_type): Create the derived type to transfer addressing data to the access routine. (create_get_callback): Create the access routine. (add_caf_get_intrinsic): Use access routine instead of old caf_get. * trans-decl.cc (gfc_build_builtin_function_decls): Register new API routines. (gfc_create_module_variable): Use renamed flag. (gfc_emit_parameter_debug_info): (struct caf_accessor): Linked list of hash-access routine pairs. (gfc_add_caf_accessor): Add a hash-access routine pair to above linked list. (create_caf_accessor_register): Add all registered hash-access routine pairs to the current caf_init. (generate_coarray_init): Use routine above. (gfc_generate_module_vars): Use renamed flag. (generate_local_decl): Same. (gfc_generate_function_code): Same. (gfc_process_block_locals): Same. * trans-intrinsic.cc (conv_shape_to_cst): Build the product of a shape. (gfc_conv_intrinsic_caf_get): Create call to access routine. (conv_caf_send): Adapt to caf_get using less arguments. (gfc_conv_intrinsic_function): Same. * trans.cc (gfc_trans_force_lval): Helper to ensure that an expression can be used as an lvalue-ref. * trans.h (gfc_trans_force_lval): See above. libgfortran/ChangeLog: * caf/libcaf.h (_gfortran_caf_register_accessor): New function to register access routines at runtime. (_gfortran_caf_register_accessors_finish): New function to finish registration of access routine and sort hash map. (_gfortran_caf_get_remote_function_index): New function to convert an hash to an index. (_gfortran_caf_get_by_ct): New function to get data from a remote image using the access routine given by an index. * caf/single.c (struct accessor_hash_t): Hashmap type. (_gfortran_caf_send): Fixed formatting. (_gfortran_caf_register_accessor): Register a hash accessor routine. (hash_compare): Compare two hashes for sort() and bsearch(). (_gfortran_caf_register_accessors_finish): Sort the hashmap to allow bsearch()'s quick lookup. (_gfortran_caf_get_remote_function_index): Map a hash to an index. (_gfortran_caf_get_by_ct): Get data from a remote image using the index provided by get_remote_function_index(). gcc/testsuite/ChangeLog: * gfortran.dg/coarray_atomic_5.f90: Adapted to look for get_by_ct. * gfortran.dg/coarray_lib_comm_1.f90: Same. * gfortran.dg/coarray_stat_function.f90: Same.
2024-12-22Fortran: Remove adding and removing of caf_get. [PR107635]Andre Vehreschild1-80/+85
Preparatory work for PR107635. During resolve prevent adding caf_get calls for expressions on the left-hand-side of an assignment and removing them later on again. Furthermore has the caf_token in a component become a pointer to the component and not the backend_decl of the caf-component. In some cases the caf_token was added as last component in a derived type and not as the next one following the component that it was needed to be associated to. gcc/fortran/ChangeLog: PR fortran/107635 * gfortran.h (gfc_comp_caf_token): Convenient macro for accessing caf_token's tree. * resolve.cc (gfc_resolve_ref): Backup caf_lhs when resolving expr in array_ref. (remove_caf_get_intrinsic): Removed. (resolve_variable): Set flag caf_lhs when resolving lhs of assignment to prevent insertion of caf_get. (resolve_lock_unlock_event): Same, but the lhs is the parameter. (resolve_ordinary_assign): Move conversion to caf_send to resolve_codes. (resolve_codes): Adress caf_get and caf_send here. (resolve_fl_derived0): Set component's caf_token when token is necessary. * trans-array.cc (gfc_conv_array_parameter): Get a coarray for expression that have a corank. (structure_alloc_comps): Use macro to get caf_token's tree. (gfc_alloc_allocatable_for_assignment): Same. * trans-expr.cc (gfc_get_ultimate_alloc_ptr_comps_caf_token): Same. (gfc_trans_structure_assign): Same. * trans-intrinsic.cc (conv_expr_ref_to_caf_ref): Same. (has_ref_after_cafref): New function to figure that after a reference of a coarray another reference is present. (conv_caf_send): Get rhs from correct place, when caf_get is not removed. * trans-types.cc (gfc_get_derived_type): Get caf_token from component and no longer guessing.
2024-11-28Fortran: Check for impure subroutine.Steven G. Kargl1-0/+18
PR fortran/117765 gcc/fortran/ChangeLog: * resolve.cc (pure_subroutine): Check for an impure subroutine call in a BLOCK construct nested within a DO CONCURRENT block. gcc/testsuite/ChangeLog: * gfortran.dg/impure_fcn_do_concurrent.f90: Update test to catch calls to an impure subroutine.
2024-11-27diagnostics: replace %<%s%> with %qs [PR104896]David Malcolm1-11/+11
No functional change intended. gcc/analyzer/ChangeLog: PR c/104896 * sm-malloc.cc: Replace "%<%s%>" with "%qs" in message wording. gcc/c-family/ChangeLog: PR c/104896 * c-lex.cc (c_common_lex_availability_macro): Replace "%<%s%>" with "%qs" in message wording. * c-opts.cc (c_common_handle_option): Likewise. * c-warn.cc (warn_parm_array_mismatch): Likewise. gcc/ChangeLog: PR c/104896 * common/config/ia64/ia64-common.cc (ia64_handle_option): Replace "%<%s%>" with "%qs" in message wording. * common/config/rs6000/rs6000-common.cc (rs6000_handle_option): Likewise. * config/aarch64/aarch64.cc (aarch64_validate_sls_mitigation): Likewise. (aarch64_override_options): Likewise. (aarch64_process_target_attr): Likewise. * config/arm/aarch-common.cc (aarch_validate_mbranch_protection): Likewise. * config/pru/pru.cc (pru_insert_attributes): Likewise. * config/riscv/riscv-target-attr.cc (riscv_target_attr_parser::parse_arch): Likewise. * omp-general.cc (oacc_verify_routine_clauses): Likewise. * tree-ssa-uninit.cc (maybe_warn_read_write_only): Likewise. (maybe_warn_pass_by_reference): Likewise. gcc/cp/ChangeLog: PR c/104896 * cvt.cc (maybe_warn_nodiscard): Replace "%<%s%>" with "%qs" in message wording. gcc/fortran/ChangeLog: PR c/104896 * resolve.cc (resolve_operator): Replace "%<%s%>" with "%qs" in message wording. gcc/go/ChangeLog: PR c/104896 * gofrontend/embed.cc (Gogo::initializer_for_embeds): Replace "%<%s%>" with "%qs" in message wording. * gofrontend/expressions.cc (Selector_expression::lower_method_expression): Likewise. * gofrontend/gogo.cc (Gogo::set_package_name): Likewise. (Named_object::export_named_object): Likewise. * gofrontend/parse.cc (Parse::struct_type): Likewise. (Parse::parameter_list): Likewise. gcc/rust/ChangeLog: PR c/104896 * backend/rust-compile-expr.cc (CompileExpr::compile_integer_literal): Replace "%<%s%>" with "%qs" in message wording. (CompileExpr::compile_float_literal): Likewise. * backend/rust-compile-intrinsic.cc (Intrinsics::compile): Likewise. * backend/rust-tree.cc (maybe_warn_nodiscard): Likewise. * checks/lints/rust-lint-scan-deadcode.h: Likewise. * lex/rust-lex.cc (Lexer::parse_partial_unicode_escape): Likewise. (Lexer::parse_raw_byte_string): Likewise. * lex/rust-token.cc (Token::get_str): Likewise. * metadata/rust-export-metadata.cc (PublicInterface::write_to_path): Likewise. * parse/rust-parse.cc (peculiar_fragment_match_compatible_fragment): Likewise. (peculiar_fragment_match_compatible): Likewise. * resolve/rust-ast-resolve-path.cc (ResolvePath::resolve_path): Likewise. * resolve/rust-ast-resolve-toplevel.h: Likewise. * resolve/rust-ast-resolve-type.cc (ResolveRelativeTypePath::go): Likewise. * rust-session-manager.cc (validate_crate_name): Likewise. (Session::load_extern_crate): Likewise. * typecheck/rust-hir-type-check-expr.cc (TypeCheckExpr::visit): Likewise. (TypeCheckExpr::resolve_fn_trait_call): Likewise. * typecheck/rust-hir-type-check-implitem.cc (TypeCheckImplItemWithTrait::visit): Likewise. * typecheck/rust-hir-type-check-item.cc (TypeCheckItem::validate_trait_impl_block): Likewise. * typecheck/rust-hir-type-check-struct.cc (TypeCheckStructExpr::visit): Likewise. * typecheck/rust-tyty-call.cc (TypeCheckCallExpr::visit): Likewise. * typecheck/rust-tyty.cc (BaseType::bounds_compatible): Likewise. * typecheck/rust-unify.cc (UnifyRules::emit_abi_mismatch): Likewise. * util/rust-attributes.cc (AttributeChecker::visit): Likewise. libcpp/ChangeLog: PR c/104896 * pch.cc (cpp_valid_state): Replace "%<%s%>" with "%qs" in message wording. Signed-off-by: David Malcolm <dmalcolm@redhat.com>
2024-11-27Fortran: Fix non_overridable typebound proc problems [PR84674/117768].Paul Thomas1-6/+2
2024-11-27 Paul Thomas <pault@gcc.gnu.org> gcc/fortran/ChangeLog PR fortran/84674 * class.cc (add_proc_comp): If the component points to a tbp that is abstract, do not return since the new version is more likely to be usable. PR fortran/117768 * resolve.cc (resolve_fl_derived): Remove the condition that rejected a completely empty derived type extension. gcc/testsuite/ChangeLog PR fortran/117768 * gfortran.dg/pr117768.f90: New test.
2024-11-25Fortran: Check IMPURE in BLOCK inside DO CONCURRENT.Steve Kargl1-0/+18
PR fortran/117765 gcc/fortran/ChangeLog: * resolve.cc (check_pure_function): Check the stack to see if the function is in a nested BLOCK and, if that block is inside a DO_CONCURRENT, issue an error. gcc/testsuite/ChangeLog: * gfortran.dg/impure_fcn_do_concurrent.f90: New test.
2024-11-24Fortran: Fix non_overridable typebound proc problems [PR84674/117730].Paul Thomas1-0/+4
2024-11-24 Paul Thomas <pault@gcc.gnu.org> gcc/fortran/ChangeLog PR fortran/117730 * class.cc (add_proc_comp): Only reject a non_overridable if it has no overridden procedure and the component is already present in the vtype. PR fortran/84674 * resolve.cc (resolve_fl_derived): Do not build a vtable for a derived type extension that is completely empty. gcc/testsuite/ChangeLog PR fortran/117730 * gfortran.dg/pr117730_a.f90: New test. * gfortran.dg/pr117730_b.f90: New test. PR fortran/84674 * gfortran.dg/pr84674.f90: New test.
2024-11-22build: Remove INCLUDE_MEMORY [PR117737]Andrew Pinski1-1/+0
Since diagnostic.h is included in over half of the sources, requiring to `#define INCLUDE_MEMORY` does not make sense. Instead lets unconditionally include memory in system.h. The majority of this patch is just removing `#define INCLUDE_MEMORY` from the sources which currently have it. This should also fix the mingw build issue but I have not tried it. Bootstrapped and tested on x86_64-linux-gnu. PR bootstrap/117737 gcc/ada/ChangeLog: * gcc-interface/misc.cc (INCLUDE_MEMORY): Remove. * gcc-interface/trans.cc (INCLUDE_MEMORY): Remove. * gcc-interface/utils.cc (INCLUDE_MEMORY): Remove. gcc/analyzer/ChangeLog: * access-diagram.cc (INCLUDE_MEMORY): Remove. * analysis-plan.cc (INCLUDE_MEMORY): Remove. * analyzer-language.cc (INCLUDE_MEMORY): Remove. * analyzer-logging.cc (INCLUDE_MEMORY): Remove. * analyzer-pass.cc (INCLUDE_MEMORY): Remove. * analyzer-selftests.cc (INCLUDE_MEMORY): Remove. * analyzer.cc (INCLUDE_MEMORY): Remove. * bar-chart.cc (INCLUDE_MEMORY): Remove. * bounds-checking.cc (INCLUDE_MEMORY): Remove. * call-details.cc (INCLUDE_MEMORY): Remove. * call-info.cc (INCLUDE_MEMORY): Remove. * call-string.cc (INCLUDE_MEMORY): Remove. * call-summary.cc (INCLUDE_MEMORY): Remove. * checker-event.cc (INCLUDE_MEMORY): Remove. * checker-path.cc (INCLUDE_MEMORY): Remove. * complexity.cc (INCLUDE_MEMORY): Remove. * constraint-manager.cc (INCLUDE_MEMORY): Remove. * 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Signed-off-by: Andrew Pinski <quic_apinski@quicinc.com>
2024-11-16Fortran: Fix segmentation fault in defined assignment [PR109066]Paul Thomas1-0/+5
2024-11-16 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/109066 * resolve.cc (generate_component_assignments): If the temporary for 'var' is a pointer and 'expr' is neither a constant or a variable, change its attribute from pointer to allocatable. This avoids assignment to a temporary point that has neither been allocated or associated. gcc/testsuite/ PR fortran/109066 * gfortran.dg/defined_assignment_12.f90: New test.
2024-11-13Fortran: Fix failing character pointer fcn assignment [PR105054]Paul Thomas1-0/+11
2024-11-14 Paul Thomas <pault@gcc.gnu.org> gcc/fortran PR fortran/105054 * resolve.cc (get_temp_from_expr): If the pointer function has a deferred character length, generate a new deferred charlen for the temporary. gcc/testsuite/ PR fortran/105054 * gfortran.dg/ptr_func_assign_6.f08: New test.
generated by cgit v1.1 at 2025-07-14 23:51:45 +0000