2014-08-15 Manuel López-Ibáñez <manu@gcc.gnu.org>

[thirdparty/gcc.git] / gcc / fortran / ChangeLog

2014-08-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/44054
        * gfortran.h: Define GCC_DIAG_STYLE.
        (gfc_diagnostics_init,gfc_warning_cmdline): Declare.
        * trans-array.c: Include gfortran.h before diagnostic-core.h.
        * trans-expr.c: Likewise.
        * trans-openmp.c: Likewise.
        * trans-const.c: Likewise.
        * trans.c: Likewise.
        * trans-types.c: Likewise.
        * f95-lang.c: Likewise.
        * trans-decl.c: Likewise.
        * trans-io.c: Likewise.
        * trans-intrinsic.c: Likewise.
        * error.c: Include diagnostic.h and diagnostic-color.h.
        (gfc_diagnostic_build_prefix): New.
        (gfc_diagnostic_starter): New.
        (gfc_diagnostic_finalizer): New.
        (gfc_warning_cmdline): New.
        (gfc_diagnostics_init): New.
        * gfc-diagnostic.def: New.
        * options.c (gfc_init_options): Call gfc_diagnostics_init.
        (gfc_post_options): Use gfc_warning_cmdline.

2014-08-15  Jakub Jelinek  <jakub@redhat.com>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/62131
        * openmp.c (resolve_omp_atomic): Only complain if code->expr1's attr
        is allocatable, rather than whenever var->attr.allocatable.

2014-08-15  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/62107
        * trans-openmp.c (gfc_omp_finish_clause): Handle scalar pointer
        or allocatable passed by reference.
        (gfc_trans_omp_clauses) <case OMP_LIST_MAP>: Likewise.

2014-08-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/62106
        * gfortran.h (symbol_attribute):  Add fe_temp flag.
        * frontend-passes.c (is_fe_temp):  New function.
        (create_var):  Don't add a temporary for an already
        created variable or for a constant.
        (combine_ARRAY_constructor):  Remove special handling
        for constants.

2014-08-14  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (caf_register_t): Add CAF_REGTYPE_CRITICAL.
        (_gfortran_caf_register): Update for locking/critical.
        (_gfortran_caf_lock, _gfortran_caf_unlock): Add.
        * resolve.c (resolve_critical): New.
        (gfc_resolve_code): Call it.
        * trans-decl.c (gfor_fndecl_caf_critical,
        gfor_fndecl_caf_end_critical): Remove.
        (gfor_fndecl_caf_lock, gfor_fndecl_caf_unlock): Add.
        (gfc_build_builtin_function_decls): Remove critical,
        assign locking declarations.
        (generate_coarray_sym_init): Handle locking and
        critical variables.
        * trans-stmt.c (gfc_trans_critical): Add calls to
        lock/unlock libcaf functions.
        * trans.h (gfc_coarray_type): Update locking, add
        critical enum values.
        (gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical): Remove.
        (gfor_fndecl_caf_lock, gfor_fndecl_caf_unlock): Add.

2014-08-14  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Coarray Programming): Add first ABI
        documentation.

2014-08-14  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/62076
        * openmp.c (gfc_match_omp_clauses): When failed to match
        operator name, defined op name or name, set buffer to
        empty string.  Don't call gfc_find_omp_udr if buffer is empty
        string.
        (gfc_match_omp_declare_reduction): Call gfc_undo_symbols ()
        before calling gfc_free_omp_udr.

2014-08-11  Richard Biener  <rguenther@suse.de>

        PR fortran/61950
        * trans-expr.c (gfc_conv_structure): Initialize _size with
        a value of proper type.

2014-08-10  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/61999
        * simplify.c (gfc_simplify_dot_product): Convert types of
        vectors before calculating the result.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

        * openmp.c, trans-decl.c: Use hash_set instead of pointer_set.

2014-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/61881
        PR fortran/61888
        PR fortran/57305
        * intrinsic.texi (SIZEOF): Document changed behavior
        for polymorphic arrays.

2014-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/61881
        PR fortran/61888
        PR fortran/57305
        * check.c (gfc_check_sizeof): Permit for assumed type if and
        only if it has an array descriptor.
        * intrinsic.c (do_ts29113_check): Permit SIZEOF.
        (add_functions): SIZEOF is an Inquiry function.
        * intrinsic.texi (SIZEOF): Add note that only contiguous
        arrays are permitted.
        * trans-expr.c (gfc_conv_intrinsic_to_class): Handle assumed
        rank.
        * trans-intrinsic.c (gfc_conv_intrinsic_sizeof): Handle
        assumed type + array descriptor, CLASS and assumed rank.
        (gfc_conv_intrinsic_storage_size): Handle class arrays.

2014-07-25  Tobias Burnus  <burnus@net-b.de>

        * simplify.c (gfc_simplify_storage_size): Use proper
        integer kind for the returned value.

2014-07-24  Uros Bizjak  <ubizjak@gmail.com>

        * intrinsic.texi (Intrinsic Procedures) <ATOMIC_DEFINE>: Move to
        correct menu position to match sectioning.

2014-06-15  Tobias Burnus  <burnus@net-b.de>

        * symbol.c (check_conflict): Add codimension conflict with
        pointer; fix cray-pointee check.

2014-06-14  Tobias Burnus  <burnus@net-b.de>

        * trans-intrinsic.c (conv_intrinsic_atomic_ref): Fix handling
        for kind mismatch with -fcoarray=lib.

2014-07-12  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/61780
        * dependency.c (gfc_dep_resolver): Index the 'reverse' array so
        that elements are skipped. This then correctly aligns 'reverse'
        with the scalarizer loops.

2014-07-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/61628
        * trans-types.c (gfc_init_types): Fix data-type bug
        with gfc_max_array_element_size.

2014-07-12  Tobias Burnus  <burnus@net-b.de>

        * libgfortran.h (libcaf_atomic_codes): Add.
        * trans-decl.c (gfor_fndecl_caf_atomic_def,
        gfor_fndecl_caf_atomic_ref, gfor_fndecl_caf_atomic_cas,
        gfor_fndecl_caf_atomic_op): New variables.
        (gfc_build_builtin_function_decls): Initialize them.
        * trans.h (gfor_fndecl_caf_atomic_def,
        gfor_fndecl_caf_atomic_ref, gfor_fndecl_caf_atomic_cas,
        gfor_fndecl_caf_atomic_op): New variables.
        * trans-intrinsic.c (conv_intrinsic_atomic_op,
        conv_intrinsic_atomic_ref, conv_intrinsic_atomic_cas):
        Add library calls with -fcoarray=lib.

2014-07-12  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_atomic): Update for STAT=.
        (gfc_check_atomic_def, gfc_check_atomic_ref): Update call.
        (gfc_check_atomic_op, gfc_check_atomic_cas,
        gfc_check_atomic_fetch_op): New.
        * gfortran.h (gfc_isym_id): GFC_ISYM_ATOMIC_CAS, GFC_ISYM_ATOMIC_ADD,
        GFC_ISYM_ATOMIC_AND, GFC_ISYM_ATOMIC_OR, GFC_ISYM_ATOMIC_XOR,
        GFC_ISYM_ATOMIC_FETCH_ADD, GFC_ISYM_ATOMIC_FETCH_AND,
        GFC_ISYM_ATOMIC_FETCH_OR and GFC_ISYM_ATOMIC_FETCH_XOR.
        * intrinsic.c (add_subroutines): Handle them.
        * intrinsic.texi: Add documentation for them.
        (ATOMIC_REF, ATOMIC_DEFINE): Add STAT=.
        (ISO_FORTRAN_ENV): Add STAT_FAILED_IMAGE.
        * intrinsic.h (gfc_check_atomic_op, gfc_check_atomic_cas,
        gfc_check_atomic_fetch_op): New
        prototypes.
        * libgfortran.h (libgfortran_stat_codes): Add GFC_STAT_FAILED_IMAGE.
        * iso-fortran-env.def: Add it.
        * trans-intrinsic.c (conv_intrinsic_atomic_op): Renamed from
        conv_intrinsic_atomic_ref; handle more atomics.
        (conv_intrinsic_atomic_def): Handle STAT=.
        (conv_intrinsic_atomic_cas): New.
        (gfc_conv_intrinsic_subroutine): Handle new atomics.

2014-07-09  Bernd Schmidt  <bernds@codesourcery.com>

        * trans-array.c (gfc_build_constant_array_constructor): Build a
        static decl manually.
        * trans-decl.c (create_main_function): Likewise.

2014-07-07  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/61459
        PR fortran/58883
        * trans-expr.c (fcncall_realloc_result): Use the natural type
        for the address expression of 'res_desc'.

2014-07-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * gfortran.texi (Fortran 2003 status): Fix grammar.

2014-07-04  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_assoc_var): Fix corank setting.
        * trans-array.c (gfc_conv_descriptor_token): Change assert.
        for select-type temporaries.
        * trans-decl.c (generate_coarray_sym_init): Skip for
        attr.select_type_temporary.
        * trans-expr.c (gfc_conv_procedure_call): Fix for
        select-type temporaries.
        * trans-intrinsic.c (get_caf_token_offset): Ditto.
        (gfc_conv_intrinsic_caf_get, gfc_conv_intrinsic_caf_send): Set
        the correct dtype.
        * trans-types.h (gfc_get_dtype_rank_type): New.
        * trans-types.c (gfc_get_dtype_rank_type): Ditto.

2014-07-03  Tobias Burnus  <burnus@net-b.de>

        * scanner.c (skip_free_comments): Fix indentation.

2014-07-02  Jakub Jelinek  <jakub@redhat.com>
            Fritz Reese  <Reese-Fritz@zai.com>

        * decl.c (variable_decl): Reject old style initialization
        for derived type components.

2014-06-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36275
        PR fortran/38839
        * decl.c (check_bind_name_identifier): New function.
        (gfc_match_bind_c): Match any constant expression as binding
        label.
        * match.c (gfc_match_name_C): Remove.

2014-06-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/29383
        * gfortran.h (gfc_simplify_ieee_selected_real_kind): New prototype.
        * libgfortran.h (GFC_FPE_*): Use simple integer values, valid in
        both C and Fortran.
        * expr.c (gfc_check_init_expr): Simplify IEEE_SELECTED_REAL_KIND.
        * simplify.c (gfc_simplify_ieee_selected_real_kind): New function.
        * module.c (mio_symbol): Keep track of symbols which came from
        intrinsic modules.
        (gfc_use_module): Keep track of the IEEE modules.
        * trans-decl.c (gfc_get_symbol_decl): Adjust code since
        we have new intrinsic modules.
        (gfc_build_builtin_function_decls): Build decls for
        ieee_procedure_entry and ieee_procedure_exit.
        (is_from_ieee_module, is_ieee_module_used, save_fp_state,
        restore_fp_state): New functions.
        (gfc_generate_function_code): Save and restore floating-point
        state on procedure entry/exit, when IEEE modules are used.
        * intrinsic.texi: Document the IEEE modules.

2014-06-25  Tobias Burnus  <burnus@net-b.de>

        * interface.c (check_intents): Fix diagnostic with
        coindexed coarrays.

2014-06-25  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_ordinary_assign): Don't invoke caf_send
        when assigning a coindexed RHS scalar to a noncoindexed LHS
        array.
        * trans-intrinsic.c (conv_caf_send): Do numeric type conversion
        for a noncoindexed scalar RHS.

2014-06-25  Tobias Burnus  <burnus@net-b.de>

        * check.c (check_co_minmaxsum): Add definable check.
        * expr.c (gfc_check_vardef_context): Fix context == NULL case.
        * trans-expr.c (get_scalar_to_descriptor_type): Handle pointer
        arguments.
        * trans-intrinsic.c (gfc_conv_intrinsic_caf_get): Fix generation of
        temporary strings.

2014-06-25  Jakub Jelinek  <jakub@redhat.com>

        * trans.h (gfc_omp_clause_linear_ctor): New prototype.
        * trans-openmp.c (gfc_omp_linear_clause_add_loop,
        gfc_omp_clause_linear_ctor): New functions.
        (gfc_trans_omp_clauses): Make sure OMP_CLAUSE_LINEAR_STEP has
        correct type.  Set OMP_CLAUSE_LINEAR_ARRAY flag if needed.
        * f95-lang.c (LANG_HOOKS_OMP_CLAUSE_LINEAR_CTOR): Redefine.

2014-06-24  Jakub Jelinek  <jakub@redhat.com>

        * dump-parse-tree.c (show_omp_namelist): Use n->udr->udr instead
        of n->udr.
        * f95-lang.c (gfc_init_builtin_functions): Initialize
        BUILT_IN_ASSUME_ALIGNED.
        * gfortran.h (gfc_omp_namelist): Change udr field type to
        struct gfc_omp_namelist_udr.
        (gfc_omp_namelist_udr): New type.
        (gfc_get_omp_namelist_udr): Define.
        (gfc_resolve_code): New prototype.
        * match.c (gfc_free_omp_namelist): Free name->udr.
        * module.c (intrinsics): Add INTRINSIC_USER.
        (fix_mio_expr): Likewise.
        (mio_expr): Handle INSTRINSIC_USER and non-resolved EXPR_FUNCTION.
        * openmp.c (gfc_match_omp_clauses): Adjust initialization of n->udr.
        (gfc_match_omp_declare_reduction): Treat len=: the same as len=*.
        Set attr.flavor on omp_{out,in,priv,orig} artificial variables.
        (struct resolve_omp_udr_callback_data): New type.
        (resolve_omp_udr_callback, resolve_omp_udr_callback2,
        resolve_omp_udr_clause): New functions.
        (resolve_omp_clauses): Adjust for n->udr changes, resolve UDR clauses
        here.
        (omp_udr_callback): Don't check for implicitly declared functions
        here.
        (gfc_resolve_omp_udr): Don't call gfc_resolve.  Don't check for
        implicitly declared subroutines here.
        * resolve.c (resolve_function): If value.function.isym is non-NULL,
        consider it already resolved.
        (resolve_code): Renamed to ...
        (gfc_resolve_code): ... this.  No longer static.
        (gfc_resolve_blocks, generate_component_assignments, resolve_codes):
        Adjust callers.
        * trans-openmp.c (gfc_omp_privatize_by_reference): Don't privatize
        by reference type (C_PTR) variables.
        (gfc_omp_finish_clause): Make sure OMP_CLAUSE_SIZE is non-NULL.
        (gfc_trans_omp_udr_expr): Remove.
        (gfc_trans_omp_array_reduction_or_udr): Adjust for n->udr changes.
        Don't call gfc_trans_omp_udr_expr, even for sym->attr.dimension
        expand it as assignment or subroutine call.  Don't initialize
        value.function.isym.

2014-06-23  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (gfc_trans_deferred_vars): Fix handling of
        explicit-size arrays with -fcoarray=lib.

2014-06-20  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33363
        * invoke.texi: Don't mention nonexisting -fcase-lower option.

2014-06-19  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/61454
        * expr.c (scalarize_intrinsic_call): Take care of optional
        arguments.

2014-06-19  Tobias Burnus  <burnus@net-b.de>

        * trans-intrinsic.c (conv_co_minmaxsum): Fix argument
        passing.

2014-06-18  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (OpenMP): Update refs to OpenMP 4.0.
        * intrinsic.texi (OpenMP Modules): Ditto.

2014-06-18  Jakub Jelinek  <jakub@redhat.com>

        * cpp.c (cpp_define_builtins): Change _OPENMP macro to
        201307.
        * dump-parse-tree.c (show_omp_namelist): Add list_type
        argument.  Adjust for rop being u.reduction_op now,
        handle depend_op or map_op.
        (show_omp_node): Adjust callers.  Print some new
        OpenMP 4.0 clauses, adjust for OMP_LIST_DEPEND_{IN,OUT}
        becoming a single OMP_LIST_DEPEND.
        * f95-lang.c (gfc_handle_omp_declare_target_attribute): New
        function.
        (gfc_attribute_table): New variable.
        (LANG_HOOKS_OMP_FINISH_CLAUSE, LANG_HOOKS_ATTRIBUTE_TABLE): Redefine.
        * frontend-passes.c (gfc_code_walker): Handle new OpenMP target
        EXEC_OMP_* codes and new clauses.
        * gfortran.h (gfc_statement): Add ST_OMP_TARGET, ST_OMP_END_TARGET,
        ST_OMP_TARGET_DATA, ST_OMP_END_TARGET_DATA, ST_OMP_TARGET_UPDATE,
        ST_OMP_DECLARE_TARGET, ST_OMP_TEAMS, ST_OMP_END_TEAMS,
        ST_OMP_DISTRIBUTE, ST_OMP_END_DISTRIBUTE, ST_OMP_DISTRIBUTE_SIMD,
        ST_OMP_END_DISTRIBUTE_SIMD, ST_OMP_DISTRIBUTE_PARALLEL_DO,
        ST_OMP_END_DISTRIBUTE_PARALLEL_DO, ST_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
        ST_OMP_END_DISTRIBUTE_PARALLEL_DO_SIMD, ST_OMP_TARGET_TEAMS,
        ST_OMP_END_TARGET_TEAMS, ST_OMP_TEAMS_DISTRIBUTE,
        ST_OMP_END_TEAMS_DISTRIBUTE, ST_OMP_TEAMS_DISTRIBUTE_SIMD,
        ST_OMP_END_TEAMS_DISTRIBUTE_SIMD, ST_OMP_TARGET_TEAMS_DISTRIBUTE,
        ST_OMP_END_TARGET_TEAMS_DISTRIBUTE,
        ST_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
        ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_SIMD,
        ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
        ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO,
        ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
        ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
        ST_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
        ST_OMP_END_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
        ST_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
        ST_OMP_END_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD.
        (symbol_attribute): Add omp_declare_target field.
        (gfc_omp_depend_op, gfc_omp_map_op): New enums.
        (gfc_omp_namelist): Replace rop field with union
        containing reduction_op, depend_op and map_op.
        (OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): Remove.
        (OMP_LIST_DEPEND, OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM): New.
        (gfc_omp_clauses): Add num_teams, device, thread_limit,
        dist_sched_kind, dist_chunk_size fields.
        (gfc_common_head): Add omp_declare_target field.
        (gfc_exec_op): Add EXEC_OMP_TARGET, EXEC_OMP_TARGET_DATA,
        EXEC_OMP_TEAMS, EXEC_OMP_DISTRIBUTE, EXEC_OMP_DISTRIBUTE_SIMD,
        EXEC_OMP_DISTRIBUTE_PARALLEL_DO, EXEC_OMP_DISTRIBUTE_PARALLEL_DO_SIMD,
        EXEC_OMP_TARGET_TEAMS, EXEC_OMP_TEAMS_DISTRIBUTE,
        EXEC_OMP_TEAMS_DISTRIBUTE_SIMD, EXEC_OMP_TARGET_TEAMS_DISTRIBUTE,
        EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD,
        EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO,
        EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO,
        EXEC_OMP_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD,
        EXEC_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_DO_SIMD and
        EXEC_OMP_TARGET_UPDATE.
        (gfc_add_omp_declare_target): New prototype.
        * match.h (gfc_match_omp_declare_target, gfc_match_omp_distribute,
        gfc_match_omp_distribute_parallel_do,
        gfc_match_omp_distribute_parallel_do_simd,
        gfc_match_omp_distribute_simd, gfc_match_omp_target,
        gfc_match_omp_target_data, gfc_match_omp_target_teams,
        gfc_match_omp_target_teams_distribute,
        gfc_match_omp_target_teams_distribute_parallel_do,
        gfc_match_omp_target_teams_distribute_parallel_do_simd,
        gfc_match_omp_target_teams_distribute_simd,
        gfc_match_omp_target_update, gfc_match_omp_teams,
        gfc_match_omp_teams_distribute,
        gfc_match_omp_teams_distribute_parallel_do,
        gfc_match_omp_teams_distribute_parallel_do_simd,
        gfc_match_omp_teams_distribute_simd): New prototypes.
        * module.c (ab_attribute): Add AB_OMP_DECLARE_TARGET.
        (attr_bits): Likewise.
        (mio_symbol_attribute): Handle omp_declare_target attribute.
        (gfc_free_omp_clauses): Free num_teams, device, thread_limit
        and dist_chunk_size expressions.
        (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
        OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_SHARED, OMP_CLAUSE_COPYIN,
        OMP_CLAUSE_REDUCTION, OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
        OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_DEFAULT, OMP_CLAUSE_ORDERED,
        OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED, OMP_CLAUSE_FINAL,
        OMP_CLAUSE_MERGEABLE, OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND,
        OMP_CLAUSE_INBRANCH, OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH,
        OMP_CLAUSE_PROC_BIND, OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN,
        OMP_CLAUSE_UNIFORM): Use 1U instead of 1.
        (OMP_CLAUSE_DEVICE, OMP_CLAUSE_MAP, OMP_CLAUSE_TO, OMP_CLAUSE_FROM,
        OMP_CLAUSE_NUM_TEAMS, OMP_CLAUSE_THREAD_LIMIT,
        OMP_CLAUSE_DIST_SCHEDULE): Define.
        (gfc_match_omp_clauses): Change mask parameter to unsigned int.
        Adjust for rop becoming u.reduction_op.  Disallow inbranch with
        notinbranch.  For depend clause, always create OMP_LIST_DEPEND
        and fill in u.depend_op.  Handle num_teams, device, map,
        to, from, thread_limit and dist_schedule clauses.
        (OMP_DECLARE_SIMD_CLAUSES): Or in OMP_CLAUSE_INBRANCH and
        OMP_CLAUSE_NOTINBRANCH.
        (OMP_TARGET_CLAUSES, OMP_TARGET_DATA_CLAUSES,
        OMP_TARGET_UPDATE_CLAUSES, OMP_TEAMS_CLAUSES,
        OMP_DISTRIBUTE_CLAUSES): Define.
        (match_omp): New function.
        (gfc_match_omp_do, gfc_match_omp_do_simd, gfc_match_omp_parallel,
        gfc_match_omp_parallel_do, gfc_match_omp_parallel_do_simd,
        gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
        gfc_match_omp_sections, gfc_match_omp_simd, gfc_match_omp_single,
        gfc_match_omp_task): Rewritten using match_omp.
        (gfc_match_omp_threadprivate, gfc_match_omp_declare_reduction):
        Diagnose if the directives are followed by unexpected junk.
        (gfc_match_omp_distribute, gfc_match_omp_distribute_parallel_do,
        gfc_match_omp_distribute_parallel_do_simd,
        gfc_match_omp_distrbute_simd, gfc_match_omp_declare_target,
        gfc_match_omp_target, gfc_match_omp_target_data,
        gfc_match_omp_target_teams, gfc_match_omp_target_teams_distribute,
        gfc_match_omp_target_teams_distribute_parallel_do,
        gfc_match_omp_target_teams_distribute_parallel_do_simd,
        gfc_match_omp_target_teams_distrbute_simd, gfc_match_omp_target_update,
        gfc_match_omp_teams, gfc_match_omp_teams_distribute,
        gfc_match_omp_teams_distribute_parallel_do,
        gfc_match_omp_teams_distribute_parallel_do_simd,
        gfc_match_omp_teams_distrbute_simd): New functions.
        * openmp.c (resolve_omp_clauses): Adjust for
        OMP_LIST_DEPEND_{IN,OUT} being changed to OMP_LIST_DEPEND.  Handle
        OMP_LIST_MAP, OMP_LIST_FROM, OMP_LIST_TO, num_teams, device,
        dist_chunk_size and thread_limit.
        (gfc_resolve_omp_parallel_blocks): Only put sharing clauses into
        ctx.sharing_clauses.  Call gfc_resolve_omp_do_blocks for various
        new EXEC_OMP_* codes.
        (resolve_omp_do): Handle various new EXEC_OMP_* codes.
        (gfc_resolve_omp_directive): Likewise.
        (gfc_resolve_omp_declare_simd): Add missing space to diagnostics.
        * parse.c (decode_omp_directive): Handle parsing of OpenMP 4.0
        offloading related directives.
        (case_executable): Add ST_OMP_TARGET_UPDATE.
        (case_exec_markers): Add ST_OMP_TARGET*, ST_OMP_TEAMS*,
        ST_OMP_DISTRIBUTE*.
        (case_decl): Add ST_OMP_DECLARE_TARGET.
        (gfc_ascii_statement): Handle new ST_OMP_* codes.
        (parse_omp_do): Handle various new ST_OMP_* codes.
        (parse_executable): Likewise.
        * resolve.c (gfc_resolve_blocks): Handle various new EXEC_OMP_*
        codes.
        (resolve_code): Likewise.
        (resolve_symbol): Change that !$OMP DECLARE TARGET variables
        are saved.
        * st.c (gfc_free_statement): Handle various new EXEC_OMP_* codes.
        * symbol.c (check_conflict): Check omp_declare_target conflicts.
        (gfc_add_omp_declare_target): New function.
        (gfc_copy_attr): Copy omp_declare_target.
        * trans.c (trans_code): Handle various new EXEC_OMP_* codes.
        * trans-common.c (build_common_decl): Add "omp declare target"
        attribute if needed.
        * trans-decl.c (add_attributes_to_decl): Likewise.
        * trans.h (gfc_omp_finish_clause): New prototype.
        * trans-openmp.c (gfc_omp_finish_clause): New function.
        (gfc_trans_omp_reduction_list): Adjust for rop being renamed
        to u.reduction_op.
        (gfc_trans_omp_clauses): Adjust for OMP_LIST_DEPEND_{IN,OUT}
        change to OMP_LIST_DEPEND and fix up depend handling.
        Handle OMP_LIST_MAP, OMP_LIST_TO, OMP_LIST_FROM, num_teams,
        thread_limit, device, dist_chunk_size and dist_sched_kind.
        (gfc_trans_omp_do): Handle EXEC_OMP_DISTRIBUTE.
        (GFC_OMP_SPLIT_DISTRIBUTE, GFC_OMP_SPLIT_TEAMS,
        GFC_OMP_SPLIT_TARGET, GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_DISTRIBUTE,
        GFC_OMP_MASK_TEAMS, GFC_OMP_MASK_TARGET, GFC_OMP_MASK_NUM): New.
        (gfc_split_omp_clauses): Handle splitting of clauses for new
        EXEC_OMP_* codes.
        (gfc_trans_omp_do_simd): Add pblock argument, adjust for being
        callable for combined constructs.
        (gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_do_simd): Likewise.
        (gfc_trans_omp_distribute, gfc_trans_omp_teams,
        gfc_trans_omp_target, gfc_trans_omp_target_data,
        gfc_trans_omp_target_update): New functions.
        (gfc_trans_omp_directive): Adjust gfc_trans_omp_* callers, handle
        new EXEC_OMP_* codes.

2014-06-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/61126
        * invoke.texi (-Wunused-parameter): Make clearer when
        -Wextra implies this option.

2014-06-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/61126
        * options.c (gfc_handle_option): Remove call to
        handle_generated_option.

2014-06-17  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_atomic, gfc_check_atomic_def):
        Use argument for GFC_ISYM_CAF_GET.
        * resolve.c (resolve_variable): Enable CAF_GET insertion.
        (resolve_lock_unlock): Remove GFC_ISYM_CAF_GET.
        (resolve_ordinary_assign): Enable CAF_SEND insertion.
        * trans-const.c (gfc_build_string_const,
        gfc_build_wide_string_const): Set TYPE_STRING_FLAG.
        * trans-decl.c (gfor_fndecl_caf_get, gfor_fndecl_caf_send,
        gfor_fndecl_caf_sendget): New global variables.
        (gfc_build_builtin_function_decls): Initialize them;
        update co_min/max/sum initialization.
        * trans-expr.c (gfc_get_tree_for_caf_expr): Renamed from
        get_tree_for_caf_expr and removed static.
        (gfc_conv_procedure_call): Update call.
        * trans-intrinsic.c (caf_get_image_index,
        conv_caf_vector_subscript_elem, conv_caf_vector_subscript,
        get_caf_token_offset, gfc_conv_intrinsic_caf_get,
        conv_caf_send): New.
        (gfc_conv_intrinsic_function, gfc_conv_intrinsic_subroutine,
        gfc_walk_intrinsic_function): Handle CAF_GET and CAF_SEND.
        (conv_co_minmaxsum): Update call for remove unused vector
        subscript.
        (conv_intrinsic_atomic_def, conv_intrinsic_atomic_ref):
        Skip a CAF_GET of the argument.
        * trans-types.c (gfc_get_caf_vector_type): New.
        * trans-types.h (gfc_get_caf_vector_type): New.
        * trans.h (gfor_fndecl_caf_get, gfor_fndecl_caf_send,
        gfor_fndecl_caf_sendget): New global variables.
        (gfc_get_tree_for_caf_expr): New prototypes.

2014-06-15  Jan Hubicka  <hubicka@ucw.cz>

        * trans-common.c (build_common_decl): Use
        set_decl_tls_model.
        * trans-decl.c (gfc_finish_var_decl): Likewise.
        (get_proc_pointer_decl): Likewise.

2014-06-15  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/28484
        PR fortran/61429
        * check.c (gfc_check_system_clock): Improve checking of arguments.
        * intrinsic.texi: Update doc of SYSTEM_CLOCK.
        * iresolve.c (gfc_resolve_system_clock): Choose library function
        used depending on argument kinds.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Build
        decls for system_clock_4 and system_clock_8.
        * trans-intrinsic.c (conv_intrinsic_system_clock): New function.
        (gfc_conv_intrinsic_subroutine): Call conv_intrinsic_system_clock.
        * trans.h (gfor_fndecl_system_clock4, gfor_fndecl_system_clock8):
        New variables.

2014-06-12  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_copy_formal_args_intr): Update prototype.
        * symbol.c (gfc_copy_formal_args_intr): Handle the case
        that absent optional arguments should be ignored.
        * trans-intrinsic.c (gfc_get_symbol_for_expr): Ditto.
        (gfc_conv_intrinsic_funcall,
        conv_generic_with_optional_char_arg): Update call.
        * resolve.c (gfc_resolve_intrinsic): Ditto.

2014-06-10  Dominique d'Humieres <dominiq@lps.ens.fr>
            Mikael Morin <mikael@gcc.gnu.org>

        PR fortran/41936
        * trans-expr.c (gfc_conv_expr_reference): Deallocate array
        components.

2014-06-10  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/60928
        * f95-lang.c (gfc_init_builtin_functions): Handle -fopenmp-simd
        like -fopenmp.
        * openmp.c (resolve_omp_clauses): Remove allocatable components
        diagnostics.  Add associate-name and intent(in) pointer
        diagnostics for various clauses, diagnose procedure pointers in
        reduction clause.
        * parse.c (match_word_omp_simd): New function.
        (matchs, matcho): New macros.
        (decode_omp_directive): Change match macros to either matchs
        or matcho.  Handle -fopenmp-simd.
        (next_free, next_fixed): Handle -fopenmp-simd like -fopenmp.
        * scanner.c (skip_free_comments, skip_fixed_comments, include_line):
        Likewise.
        * trans-array.c (get_full_array_size): Rename to...
        (gfc_full_array_size): ... this.  No longer static.
        (duplicate_allocatable): Adjust caller.  Add NO_MEMCPY argument
        and handle it.
        (gfc_duplicate_allocatable, gfc_copy_allocatable_data): Adjust
        duplicate_allocatable callers.
        (gfc_duplicate_allocatable_nocopy): New function.
        (structure_alloc_comps): Adjust g*_full_array_size and
        duplicate_allocatable caller.
        * trans-array.h (gfc_full_array_size,
        gfc_duplicate_allocatable_nocopy): New prototypes.
        * trans-common.c (create_common): Call gfc_finish_decl_attrs.
        * trans-decl.c (gfc_finish_decl_attrs): New function.
        (gfc_finish_var_decl, create_function_arglist,
        gfc_get_fake_result_decl): Call it.
        (gfc_allocate_lang_decl): If DECL_LANG_SPECIFIC is already allocated,
        don't allocate it again.
        (gfc_get_symbol_decl): Set GFC_DECL_ASSOCIATE_VAR_P on
        associate-names.
        * trans.h (gfc_finish_decl_attrs): New prototype.
        (struct lang_decl): Add scalar_allocatable and scalar_pointer
        bitfields.
        (GFC_DECL_SCALAR_ALLOCATABLE, GFC_DECL_SCALAR_POINTER,
        GFC_DECL_GET_SCALAR_ALLOCATABLE, GFC_DECL_GET_SCALAR_POINTER,
        GFC_DECL_ASSOCIATE_VAR_P): Define.
        (GFC_POINTER_TYPE_P): Remove.
        * trans-openmp.c (gfc_omp_privatize_by_reference): Don't check
        GFC_POINTER_TYPE_P, instead test GFC_DECL_GET_SCALAR_ALLOCATABLE,
        GFC_DECL_GET_SCALAR_POINTER or GFC_DECL_CRAY_POINTEE on decl.
        (gfc_omp_predetermined_sharing): Associate-names are predetermined.
        (enum walk_alloc_comps): New.
        (gfc_has_alloc_comps, gfc_omp_unshare_expr_r, gfc_omp_unshare_expr,
        gfc_walk_alloc_comps): New functions.
        (gfc_omp_private_outer_ref): Return true for scalar allocatables or
        decls with allocatable components.
        (gfc_omp_clause_default_ctor, gfc_omp_clause_copy_ctor,
        gfc_omp_clause_assign_op, gfc_omp_clause_dtor): Fix up handling of
        allocatables, handle also OMP_CLAUSE_REDUCTION, handle scalar
        allocatables and decls with allocatable components.
        (gfc_trans_omp_array_reduction_or_udr): Don't handle allocatable
        arrays here.
        (gfc_trans_omp_reduction_list): Call
        gfc_trans_omp_array_reduction_or_udr even for allocatable scalars.
        (gfc_trans_omp_do_simd): If -fno-openmp, just expand it as OMP_SIMD.
        (gfc_trans_omp_parallel_do_simd): Likewise.
        * trans-types.c (gfc_sym_type): Don't set GFC_POINTER_TYPE_P.
        (gfc_get_derived_type): Call gfc_finish_decl_attrs.

2014-06-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/61406
        * trans-stmt.c (trans_associate_var): Check that array
        constructors are constant for direct reference.

2014-06-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36096
        * intrinsic.texi: Fix documentation of BESSEL_J0, BESSEL_J1,
        BESSEL_Y0, and BESSEL_Y1.

2014-06-09  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/45187
        * trans-decl.c (gfc_create_module_variable): Don't create
        Cray-pointee decls twice.

2014-06-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * io.c (resolve_tag): Warn on non-default kind for NUMBER,
        NEXTREC, RECL, NAMED, OPENED and PENDING I/O specifiers.

2014-06-06  Jakub Jelinek  <jakub@redhat.com>

        * dump-parse-tree.c (show_omp_namelist): Dump reduction
        id in each list item.
        (show_omp_node): Only handle OMP_LIST_REDUCTION, not
        OMP_LIST_REDUCTION_FIRST .. OMP_LIST_REDUCTION_LAST.  Don't
        dump reduction id here.
        * frontend-passes.c (dummy_code_callback): Renamed to...
        (gfc_dummy_code_callback): ... this.  No longer static.
        (optimize_reduction): Use gfc_dummy_code_callback instead of
        dummy_code_callback.
        * gfortran.h (gfc_statement): Add ST_OMP_DECLARE_REDUCTION.
        (symbol_attribute): Add omp_udr_artificial_var bitfield.
        (gfc_omp_reduction_op): New enum.
        (gfc_omp_namelist): Add rop and udr fields.
        (OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST, OMP_LIST_MULT,
        OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV,
        OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND,
        OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST): Removed.
        (OMP_LIST_REDUCTION): New.
        (gfc_omp_udr): New type.
        (gfc_get_omp_udr): Define.
        (gfc_symtree): Add n.omp_udr field.
        (gfc_namespace): Add omp_udr_root field, add omp_udr_ns bitfield.
        (gfc_free_omp_udr, gfc_omp_udr_find, gfc_resolve_omp_udrs,
        gfc_dummy_code_callback): New prototypes.
        * match.h (gfc_match_omp_declare_reduction): New prototype.
        * module.c (MOD_VERSION): Increase to 13.
        (omp_declare_reduction_stmt): New array.
        (mio_omp_udr_expr, write_omp_udr, write_omp_udrs, load_omp_udrs):
        New functions.
        (read_module): Read OpenMP user defined reductions.
        (write_module): Write OpenMP user defined reductions.
        * openmp.c: Include arith.h.
        (gfc_free_omp_udr, gfc_find_omp_udr): New functions.
        (gfc_match_omp_clauses): Handle user defined reductions.
        Store reduction kind into gfc_omp_namelist instead of using
        several OMP_LIST_* entries.
        (match_udr_expr, gfc_omp_udr_predef, gfc_omp_udr_find,
        gfc_match_omp_declare_reduction): New functions.
        (resolve_omp_clauses): Adjust for reduction clauses being only
        in OMP_LIST_REDUCTION list.  Diagnose missing UDRs.
        (struct omp_udr_callback_data): New type.
        (omp_udr_callback, gfc_resolve_omp_udr, gfc_resolve_omp_udrs): New
        functions.
        * parse.c (decode_omp_directive): Handle !$omp declare reduction.
        (case_decl): Add ST_OMP_DECLARE_REDUCTION.
        (gfc_ascii_statement): Print ST_OMP_DECLARE_REDUCTION.
        * resolve.c (resolve_fl_variable): Allow len=: or len=* on
        sym->attr.omp_udr_artificial_var symbols.
        (resolve_types): Call gfc_resolve_omp_udrs.
        * symbol.c (gfc_get_uop): If gfc_current_ns->omp_udr_ns,
        use parent ns instead of gfc_current_ns.
        (gfc_get_sym_tree): Don't insert symbols into
        namespaces with omp_udr_ns set.
        (free_omp_udr_tree): New function.
        (gfc_free_namespace): Call it.
        * trans-openmp.c (struct omp_udr_find_orig_data): New type.
        (omp_udr_find_orig, gfc_trans_omp_udr_expr): New functions.
        (gfc_trans_omp_array_reduction): Renamed to...
        (gfc_trans_omp_array_reduction_or_udr): ... this.  Remove SYM
        argument, instead pass gfc_omp_namelist pointer N.  Handle
        user defined reductions.
        (gfc_trans_omp_reduction_list): Remove REDUCTION_CODE argument.
        Handle user defined reductions and reduction ops in gfc_omp_namelist.
        (gfc_trans_omp_clauses): Adjust for just a single OMP_LIST_REDUCTION
        list.
        (gfc_split_omp_clauses): Likewise.

2014-06-05  Richard Biener  <rguenther@suse.de>

        PR fortran/61418
        * gfortranspec.c (spec_file): Remove.
        (find_spec_file): Likewise.
        (lang_specific_driver): Do not look for specs file in -L
        or append -specs command line argument.
        (lang_specific_pre_link): Always %:include libgfortran.spec.

2014-06-02  Andrew MacLeod  <amacleod@redhat.com>

        * fortran/trans.c (trans_runtime_error_vararg): Call
        fold_build_call_array_loc instead of fold_builtin_call_array.

2014-06-02  Bernd Schmidt  <bernds@codesourcery.com>

        * trans-decl.c (gfc_build_builtin_function_decls): Correct number of
        arguments to caf_init.

2014-05-26  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Project Status): Fix broken link.

2014-05-26  Janne Blomqvist  <jb@gcc.gnu.org>

        PR libfortran/61310
        * intrinsics.texi (CTIME): Remove mention of locale-dependent
        behavior.

2014-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/55117
        * trans-io.c (nml_full_name, transfer_namelist_element): Insert
        a '+' rather then '%' to differentiate namelist variable names
        that are based on extended derived types.

2014-05-25  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_num_images): New.
        (gfc_check_this_image): Handle distance argument.
        * intrinsic.c (add_functions): Update this_image and num_images
        for new distance and failed arguments.
        * intrinsic.texi (THIS_IMAGE, NUM_IMAGES): Document the new
        arguments.
        * intrinsic.h (gfc_check_num_images): New.
        (gfc_check_this_image, gfc_simplify_num_images,
        gfc_simplify_this_image, gfc_resolve_this_image): Update prototype.
        * iresolve.c (gfc_resolve_this_image): Handle distance argument.
        * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
        Handle new arguments.
        * trans-intrinsic.c (trans_this_image, trans_num_images): Ditto.
        (gfc_conv_intrinsic_function): Update trans_num_images call.

2014-05-23  Tobias Burnus  <burnus@net-b.de>

        * gfc-internals.texi: Change URLs to HTTPS; fix broken links.
        * gfortran.texi: Ditto.

2014-05-22  Thomas Schwinge  <thomas@codesourcery.com>

        * f95-lang.c (DEF_FUNCTION_TYPE_0, DEF_FUNCTION_TYPE_6)
        (DEF_FUNCTION_TYPE_7, DEF_FUNCTION_TYPE_8)
        (DEF_FUNCTION_TYPE_VAR_5): Cosmetic fixes.
        * types.def: Simplify examples for DEF_FUNCTION_TYPE_*.

2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>

        * f95-lang.c (pushlevel): Adjust.
        * trans-decl.c (gfc_allocate_lang_decl): Adjust.
        (gfc_find_module): Likewise.
        * trans-types.c (gfc_get_nodesc_array_type): Likewise.
        (gfc_get_array_type_bounds): Likewise.
        (gfc_nonrestricted_type): Likewise.
        * trans.h: Don't use variable_size gty attribute.

2014-05-17  Dominique d'Humieres <dominiq@lps.ens.fr>

        * check.c (gfc_check_fn_rc2008): move "argument" to the right
        place.

2014-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60127
        * openmp.c (resolve_omp_do): Reject do concurrent loops.

2014-05-12  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/60834
        * frontend-passes.c (in_assoc_list):  New variable.
        (optimize_namespace):  Initialize in_assoc_list
        (combine_array_constructor): Don't try to combine
        assoc lists.
        (gfc_code_walker):  Keep track of in_assoc_list.

2014-05-11  Jakub Jelinek  <jakub@redhat.com>

        * gfortran.h (gfc_statement): Add ST_OMP_CANCEL,
        ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
        ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
        ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
        ST_OMP_DECLARE_SIMD.
        (gfc_omp_namelist): New typedef.
        (gfc_get_omp_namelist): Define.
        (OMP_LIST_UNIFORM, OMP_LIST_ALIGNED, OMP_LIST_LINEAR,
        OMP_LIST_DEPEND_IN, OMP_LIST_DEPEND_OUT): New clause list kinds.
        (gfc_omp_proc_bind_kind, gfc_omp_cancel_kind): New enums.
        (gfc_omp_clauses): Change type of lists to gfc_omp_namelist *.
        Add inbranch, notinbranch, cancel, proc_bind, safelen_expr and
        simdlen_expr fields.
        (gfc_omp_declare_simd): New typedef.
        (gfc_get_omp_declare_simd): Define.
        (gfc_namespace): Add omp_declare_simd field.
        (gfc_exec_op): Add EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
        EXEC_OMP_TASKGROUP, EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD and
        EXEC_OMP_PARALLEL_DO_SIMD.
        (gfc_omp_atomic_op): Add GFC_OMP_ATOMIC_MASK, GFC_OMP_ATOMIC_SEQ_CST
        and GFC_OMP_ATOMIC_SWAP.
        (gfc_code): Change type of omp_namelist field to gfc_omp_namelist *.
        (gfc_free_omp_namelist, gfc_free_omp_declare_simd,
        gfc_free_omp_declare_simd_list, gfc_resolve_omp_declare_simd): New
        prototypes.
        * trans-stmt.h (gfc_trans_omp_declare_simd): New prototype.
        * symbol.c (gfc_free_namespace): Call gfc_free_omp_declare_simd.
        * openmp.c (gfc_free_omp_clauses): Free safelen_expr and
        simdlen_expr.  Use gfc_free_omp_namelist instead of
        gfc_free_namelist.
        (gfc_free_omp_declare_simd, gfc_free_omp_declare_simd_list): New
        functions.
        (gfc_match_omp_variable_list): Add end_colon, headp and
        allow_sections arguments.  Handle parsing of array sections.
        Use *omp_namelist* instead of *namelist* data structure and
        functions/macros.  Allow termination at : character.
        (OMP_CLAUSE_ALIGNED, OMP_CLAUSE_DEPEND, OMP_CLAUSE_INBRANCH,
        OMP_CLAUSE_LINEAR, OMP_CLAUSE_NOTINBRANCH, OMP_CLAUSE_PROC_BIND,
        OMP_CLAUSE_SAFELEN, OMP_CLAUSE_SIMDLEN, OMP_CLAUSE_UNIFORM): Define.
        (gfc_match_omp_clauses): Change first and needs_space variables
        into arguments with default values.  Parse inbranch, notinbranch,
        proc_bind, safelen, simdlen, uniform, linear, aligned and
        depend clauses.
        (OMP_PARALLEL_CLAUSES): Add OMP_CLAUSE_PROC_BIND.
        (OMP_DECLARE_SIMD_CLAUSES, OMP_SIMD_CLAUSES): Define.
        (OMP_TASK_CLAUSES): Add OMP_CLAUSE_DEPEND.
        (gfc_match_omp_do_simd): New function.
        (gfc_match_omp_flush): Use *omp_namelist* instead of *namelist*
        data structure and functions/macros.
        (gfc_match_omp_simd, gfc_match_omp_declare_simd,
        gfc_match_omp_parallel_do_simd): New functions.
        (gfc_match_omp_atomic): Handle seq_cst clause.  Handle atomic swap.
        (gfc_match_omp_taskgroup, gfc_match_omp_cancel_kind,
        gfc_match_omp_cancel, gfc_match_omp_cancellation_point): New
        functions.
        (resolve_omp_clauses): Add where, omp_clauses and ns arguments.
        Use *omp_namelist* instead of *namelist* data structure and
        functions/macros.  Resolve uniform, aligned, linear, depend,
        safelen and simdlen clauses.
        (resolve_omp_atomic): Adjust for GFC_OMP_ATOMIC_{MASK,SEQ_CST,SWAP}
        addition, recognize atomic swap.
        (gfc_resolve_omp_parallel_blocks): Use gfc_omp_namelist instead
        of gfc_namelist.  Handle EXEC_OMP_PARALLEL_DO_SIMD the same as
        EXEC_OMP_PARALLEL_DO.
        (gfc_resolve_do_iterator): Use *omp_namelist* instead of *namelist*
        data structure and functions/macros.
        (resolve_omp_do): Likewise.  Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD.
        (gfc_resolve_omp_directive): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD and EXEC_OMP_CANCEL.  Adjust
        resolve_omp_clauses caller.
        (gfc_resolve_omp_declare_simd): New function.
        * parse.c (decode_omp_directive): Parse cancellation point, cancel,
        declare simd, end do simd, end simd, end parallel do simd,
        end taskgroup, parallel do simd, simd and taskgroup directives.
        (case_executable): Add ST_OMP_CANCEL and ST_OMP_CANCELLATION_POINT.
        (case_exec_markers): Add ST_OMP_TASKGROUP, case ST_OMP_SIMD,
        ST_OMP_DO_SIMD and ST_OMP_PARALLEL_DO_SIMD.
        (case_decl): Add ST_OMP_DECLARE_SIMD.
        (gfc_ascii_statement): Handle ST_OMP_CANCEL,
        ST_OMP_CANCELLATION_POINT, ST_OMP_TASKGROUP, ST_OMP_END_TASKGROUP,
        ST_OMP_SIMD, ST_OMP_END_SIMD, ST_OMP_DO_SIMD, ST_OMP_END_DO_SIMD,
        ST_OMP_PARALLEL_DO_SIMD, ST_OMP_END_PARALLEL_DO_SIMD and
        ST_OMP_DECLARE_SIMD.
        (parse_omp_do): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD and
        ST_OMP_PARALLEL_DO_SIMD.
        (parse_omp_atomic): Adjust for GFC_OMP_ATOMIC_* additions.
        (parse_omp_structured_block): Handle ST_OMP_TASKGROUP and
        ST_OMP_PARALLEL_DO_SIMD.
        (parse_executable): Handle ST_OMP_SIMD, ST_OMP_DO_SIMD,
        ST_OMP_PARALLEL_DO_SIMD and ST_OMP_TASKGROUP.
        * trans-decl.c (gfc_get_extern_function_decl,
        gfc_create_function_decl): Call gfc_trans_omp_declare_simd if
        needed.
        * frontend-passes.c (gfc_code_walker): Handle EXEC_OMP_SIMD,
        EXEC_OMP_DO_SIMD and EXEC_OMP_PARALLEL_DO_SIMD.  Walk
        safelen_expr and simdlen_expr.  Walk expressions in gfc_omp_namelist
        of depend, aligned and linear clauses.
        * match.c (match_exit_cycle): Handle EXEC_OMP_SIMD, EXEC_OMP_DO_SIMD
        and EXEC_OMP_PARALLEL_DO_SIMD.
        (gfc_free_omp_namelist): New function.
        * dump-parse-tree.c (show_namelist): Removed.
        (show_omp_namelist): New function.
        (show_omp_node): Handle OpenMP 4.0 additions.
        (show_code_node): Handle EXEC_OMP_CANCEL, EXEC_OMP_CANCELLATION_POINT,
        EXEC_OMP_DO_SIMD, EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and
        EXEC_OMP_TASKGROUP.
        * match.h (gfc_match_omp_cancel, gfc_match_omp_cancellation_point,
        gfc_match_omp_declare_simd, gfc_match_omp_do_simd,
        gfc_match_omp_parallel_do_simd, gfc_match_omp_simd,
        gfc_match_omp_taskgroup): New prototypes.
        * trans-openmp.c (gfc_trans_omp_variable): Add declare_simd
        argument, handle it.  Allow current_function_decl to be NULL.
        (gfc_trans_omp_variable_list): Add declare_simd argument, pass
        it through to gfc_trans_omp_variable and disregard whether
        sym is referenced if declare_simd is true.  Work on gfc_omp_namelist
        instead of gfc_namelist.
        (gfc_trans_omp_reduction_list): Work on gfc_omp_namelist instead of
        gfc_namelist.  Adjust gfc_trans_omp_variable caller.
        (gfc_trans_omp_clauses): Add declare_simd argument, pass it through
        to gfc_trans_omp_variable{,_list} callers.  Work on gfc_omp_namelist
        instead of gfc_namelist.  Handle inbranch, notinbranch, safelen,
        simdlen, depend, uniform, linear, proc_bind and aligned clauses.
        Handle cancel kind.
        (gfc_trans_omp_atomic): Handle seq_cst clause, handle atomic swap,
        adjust for GFC_OMP_ATOMIC_* changes.
        (gfc_trans_omp_cancel, gfc_trans_omp_cancellation_point): New
        functions.
        (gfc_trans_omp_do): Add op argument, handle simd translation into
        generic.
        (GFC_OMP_SPLIT_SIMD, GFC_OMP_SPLIT_DO, GFC_OMP_SPLIT_PARALLEL,
        GFC_OMP_SPLIT_NUM, GFC_OMP_MASK_SIMD, GFC_OMP_MASK_DO,
        GFC_OMP_MASK_PARALLEL): New.
        (gfc_split_omp_clauses, gfc_trans_omp_do_simd): New functions.
        (gfc_trans_omp_parallel_do): Rework to use gfc_split_omp_clauses.
        (gfc_trans_omp_parallel_do_simd, gfc_trans_omp_taskgroup): New
        functions.
        (gfc_trans_omp_directive): Handle EXEC_OMP_CANCEL,
        EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
        Adjust gfc_trans_omp_do caller.
        (gfc_trans_omp_declare_simd): New function.
        * st.c (gfc_free_statement): Handle EXEC_OMP_CANCEL,
        EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
        For EXEC_OMP_FLUSH call gfc_free_omp_namelist instead of
        gfc_free_namelist.
        * module.c (omp_declare_simd_clauses): New variable.
        (mio_omp_declare_simd): New function.
        (mio_symbol): Call it.
        * trans.c (trans_code): Handle EXEC_OMP_CANCEL,
        EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
        * resolve.c (gfc_resolve_blocks): Handle EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
        (resolve_code): Handle EXEC_OMP_CANCEL,
        EXEC_OMP_CANCELLATION_POINT, EXEC_OMP_DO_SIMD,
        EXEC_OMP_PARALLEL_DO_SIMD, EXEC_OMP_SIMD and EXEC_OMP_TASKGROUP.
        (resolve_types): Call gfc_resolve_omp_declare_simd.

2014-05-11  Tobias Burnus  <burnus@net-b.de>

        * trans-intrinsic.c (gfc_build_builtin_function_decls):
        Change type of second argument to int.

2014-05-09  Mike Stump  <mikestump@comcast.net>

        PR fortran/61109
        * trans-array.c (gfc_conv_array_initializer): Fix wide-int
        conversion bug.

2014-05-08  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_isym_id): Add GFC_ISYM_CAF_GET
        and GFC_ISYM_CAF_SEND.
        * intrinsic.c (add_functions): Add only internally
        accessible caf_get and caf_send functions.
        * resolve.c (add_caf_get_intrinsic,
        remove_caf_get_intrinsic): New functions.
        (resolve_variable): Resolve expression rank and
        prepare for add_caf_get_intrinsic call.
        (gfc_resolve_expr): For variables, remove rank
        resolution.
        (resolve_ordinary_assign): Prepare call to
        GFC_ISYM_CAF_SEND.
        (resolve_code): Avoid call to GFC_ISYM_CAF_GET for
        the LHS of an assignment.

2014-05-08  Tobias Burnus  <burnus@net-b.de>

        * trans-intrinsic.c (conv_co_minmaxsum): Change condition style.

2014-05-08  Tobias Burnus  <burnus@net-b.de>

        * check.c (check_co_minmaxsum, gfc_check_co_minmax,
        gfc_check_co_sum): New.
        * error.c (gfc_notify_std): Update -std=f2008ts.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_CO_MAX,
        GFC_ISYM_CO_MIN, GFC_ISYM_CO_SUM.
        * intrinsic.h (gfc_check_co_minmax,
        gfc_check_co_sum): Declare.
        * intrinsic.c (add_subroutines): Add co_min, co_max
        and co_sum.
        (gfc_check_intrinsic_standard): Update text for
        -std=f2008ts.
        * intrinsic.texi (CO_MIN, CO_MAX, CO_SUM): Document
        them.
        * invoke.texi (-std=f2008ts): Update wording.
        * trans.h (gfor_fndecl_co_max,
        gfor_fndecl_co_min, gfor_fndecl_co_sum): Define.
        * trans-decl.c (gfor_fndecl_co_max,
        gfor_fndecl_co_min, gfor_fndecl_co_sum): Define.
        (gfc_build_builtin_function_decls): Assign to it.
        * trans-intrinsic.c (conv_co_minmaxsum): New.
        (gfc_conv_intrinsic_subroutine): Call it.

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Mike Stump  <mikestump@comcast.net>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * target-memory.c: Include wide-int.h.
        (gfc_interpret_logical): Use wide-int interfaces.
        * trans-array.c: Include wide-int.h.
        (gfc_conv_array_initializer): Use wide-int interfaces.
        * trans-const.c: Include wide-int.h.
        (gfc_conv_string_init): Use wide-int interfaces.
        (gfc_conv_mpz_to_tree): Likewise.
        (gfc_conv_tree_to_mpz): Likewise.
        * trans-decl.c (gfc_can_put_var_on_stack): Use tree_fits_uhwi_p.
        * trans-expr.c: Include wide-int.h.
        (gfc_conv_cst_int_power): Use wide-int interfaces.
        (gfc_string_to_single_character): Likewise.
        (gfc_optimize_len_trim): Likewise.
        * trans-intrinsic.c: Include wide-int.h.
        (trans_this_image): Use wide-int interfaces.
        (gfc_conv_intrinsic_bound): Likewise.
        (conv_intrinsic_cobound): Likewise.
        * trans-types.c (gfc_init_types): Likewise.
        (gfc_get_array_type_bounds): Pass an integer of the correct type
        instead of using integer_one_node.

2014-04-30  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (create_function_arglist): Add hidden coarray arguments
        also for polymorphic coarrays.
        * trans-expr.c (gfc_conv_procedure_call): Pass hidden coarray arguments
        also for polymorphic coarrays.

2014-04-30  Tobias Burnus  <burnus@net-b.de>

        * resolve.c (resolve_function): Don't do
        assumed-size check for lcobound/ucobound.
        * trans-types.c (gfc_build_array_type): Only build an array
        descriptor with codimensions for allocatable coarrays.

2014-04-30  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_init_coarray_decl): Remove.
        * parse.c (translate_all_program_units): Remove call to it.
        (gfc_parse_file): Update call.
        * trans.h (gfor_fndecl_caf_this_image,
        gfor_fndecl_caf_num_images): Add.
        (gfort_gvar_caf_num_images,
        gfort_gvar_caf_this_image): Remove.
        * trans-decl.c (gfor_fndecl_caf_this_image,
        gfor_fndecl_caf_num_images): Add.
        (gfort_gvar_caf_num_images,
        gfort_gvar_caf_this_image): Remove.
        (gfc_build_builtin_function_decls): Init new decl.
        (gfc_init_coarray_dec): Remove.
        (create_main_function): Change calls.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Generate call to new library function
        instead of to a static variable.
        * trans-stmt.c (gfc_trans_sync): Ditto.

2014-04-30  Tobias Burnus  <burnus@net-b.de>

        * trans-expr.c (get_tree_for_caf_expr): Fix handling of polymorphic
        and derived-type coarrays.

2014-04-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/59604
        PR fortran/58003
        * gfortran.h (gfc_convert_mpz_to_signed):  Add prototype.
        * arith.c (gfc_int2int):  Convert number to signed if
        arithmetic overflow is not checked.
        * simplify.c (convert_mpz_to_unsigned): Only trigger assert for
        size if range checking is in force.
        (convert_mpz_to_signed):  Make non-static, rename to
        (gfc_convert_mpz_to_signed).
        (simplify_dshift): Use gfc_convert_mpz_to_signed.
        (gfc_simplify_ibclr):  Likewise.
        (gfc_simplify_ibits):  Likewise.
        (gfc_simplify_ibset):  Likewise.
        (simplify_shift):  Likewise.
        (gfc_simplify_ishiftc):  Likewise.
        (gfc_simplify_maskr):  Likewise.
        (gfc_simplify_maskl):  Likewise.

2014-04-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60881
        * trans-expr.c (gfc_trans_subcomponent_assign): Fix handling
        of scalar coarrays.

2014-04-17  Jakub Jelinek  <jakub@redhat.com>

        * trans-types.c (gfc_init_kinds): Make sure GET_MODE_BITSIZE
        argument is enum machine_mode.

2014-04-13  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/58085
        PR fortran/60717
        * trans.h: Add 'use_offset' bitfield to gfc_se.
        * trans-array.c (gfc_conv_expr_descriptor): Use 'use_offset'
        as a trigger to unconditionally recalculate the offset for
        array slices and constant arrays.
        trans-expr.c (gfc_conv_intrinsic_to_class): Use it.
        trans-stmt.c (trans_associate_var): Ditto.
        (gfc_conv_procedure_call): Ditto.

2014-04-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/58880
        PR fortran/60495
        * resolve.c (gfc_resolve_finalizers): Ensure that vtables
        and finalization wrappers are generated.

2014-04-11  Janne Blomqvist  <jb@gcc.gnu.org>

        * intrinsic.texi (RANDOM_SEED): Improve example.

2014-04-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * class.c (gfc_build_class_symbol): Append "_t" to target class
        names to make the generated type names unique.

2014-04-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        PR fortran/60191
        * trans-types.c (gfc_get_function_type): In case of recursion
        build a variadic function type with empty argument list instead of a
        stdarg-like function type with incomplete argument list.

2014-04-04  Tobias Burnus  <burnus@net-b.de>

        * check.c (gfc_check_cmplx): Fix typo.

2014-03-28  Mikael Morin  <mikael@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        PR fortran/60576
        * trans-expr.c (gfc_conv_derived_to_class): Avoid
        generation of out-of-bounds range expr.

2014-03-28  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/60677
        * trans-intrinsic.c (gfc_conv_intrinsic_ichar): Enlarge argument
        list buffer.

2014-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/60522
        * frontend-passes.c (cfe_code):  Do not walk subtrees
        for WHERE.

2014-03-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/58880
        * trans-expr.c (gfc_conv_scalar_to_descriptor): Fix handling
        of nonpointers.

2014-03-26 Dominique d'Humieres <dominiq@lps.ens.fr>

        PR fortran/34928
        * fortran.texi: Document Volatile COMMON as not supported.

2014-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR debug/60603
        * cpp.c (gfc_cpp_init): Restore cb_change_file call to
        <built-in>.

2014-03-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/60148
        * gfortran.texi: Add description of namelist DELIM= behavior.

2014-03-19  Tobias Burnus  <burnus@net-b.>

        PR fortran/60543
        * io.c (check_io_constraints): Use gfc_unset_implicit_pure.
        * resolve.c (resolve_ordinary_assign): Ditto.

2014-03-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60543
        PR fortran/60283
        * gfortran.h (gfc_unset_implicit_pure): New prototype.
        * resolve.c (gfc_unset_implicit_pure): New.
        (resolve_structure_cons, resolve_function,
        pure_subroutine): Use it.
        * decl.c (match_old_style_init, gfc_match_data,
        match_pointer_init, variable_decl): Ditto.
        * expr.c (gfc_check_pointer_assign): Ditto.
        * intrinsic.c (gfc_intrinsic_sub_interface): Ditto.
        * io.c (match_vtag, gfc_match_open, gfc_match_close,
        match_filepos, gfc_match_inquire, gfc_match_print,
        gfc_match_wait): Ditto.
        * match.c (gfc_match_critical, gfc_match_stopcode,
        lock_unlock_statement, sync_statement, gfc_match_allocate,
        gfc_match_deallocate): Ditto.
        * parse.c (decode_omp_directive): Ditto.
        * symbol.c (gfc_add_save): Ditto.

2014-03-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/55207
        PR fortran/60549
        * decl.c (match_attr_spec): Revert r208590.

2014-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR ipa/58721
        * trans.c (gfc_unlikely, gfc_likely): Don't add __builtin_expect
        if !optimize.

2014-03-18  Tobias Burnus  <burnus@net-b.de>

        PR ipa/58721
        * trans.h (gfc_unlikely, gfc_likely): Add predictor as argument.
        (gfc_trans_io_runtime_check): Remove.
        * trans-io.c (gfc_trans_io_runtime_check): Make static; add has_iostat
        as argument, add predictor to block.
        (set_parameter_value, gfc_trans_open, gfc_trans_close, build_filepos,
        gfc_trans_inquire, gfc_trans_wait, build_dt): Update calls.
        * trans.c (gfc_unlikely, gfc_likely): Add predictor as argument.
        (gfc_trans_runtime_check, gfc_allocate_using_malloc,
        gfc_allocate_allocatable, gfc_deallocate_with_status): Set explicitly
        branch predictor.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * trans-stmt.c (gfc_trans_allocate): Ditto.
        * trans-array.c (gfc_array_init_size, gfc_array_allocate): Ditto.

2014-03-15  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/55207
        * decl.c (match_attr_spec): Variables in the main program implicitly
        get the SAVE attribute in Fortran 2008.

2014-03-14  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/60392
        * trans-array.c (gfc_conv_array_parameter): Don't reuse the descriptor
        if it has transposed dimensions.

2014-03-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/60447
        * f95-lang.c (gfc_init): Return false when only
        preprocessing.
        * options.c (gfc_post_options): Ditto.

2014-03-08  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi (Fortran 2003 Status): Mention finalization,
        deferred-length character support and input rounding.
        (Fortran 2008 Status): Mention that at termination
        signalling exceptions are shown.

2014-03-06  Paul Thomas  <pault@gcc.gnu.org>
            Janus Weil  <janus@gcc.gnu.org>

        PR fortran/51976
        * gfortran.h (symbol_attribute): Add deferred_parameter attribute.
        * primary.c (build_actual_constructor): It is not an error if
        a missing component has the deferred_parameter attribute;
        equally, if one is given a value, it is an error.
        * resolve.c (resolve_fl_derived0): Remove error for deferred
        character length components.  Add the hidden string length
        field to the structure. Give it the deferred_parameter
        attribute.
        * trans-array.c (duplicate_allocatable): Add a strlen field
        which is used as the element size if it is non-null.
        (gfc_duplicate_allocatable, gfc_copy_allocatable_data): Pass a
        NULL to the new argument in duplicate_allocatable.
        (structure_alloc_comps): Set the hidden string length as
        appropriate. Use it in calls to duplicate_allocatable.
        (gfc_alloc_allocatable_for_assignment): When a deferred length
        backend declaration is variable, use that; otherwise use the
        string length from the expression evaluation.
        * trans-expr.c (gfc_conv_component_ref): If this is a deferred
        character length component, the string length should have the
        value of the hidden string length field.
        (gfc_trans_subcomponent_assign): Set the hidden string length
        field for deferred character length components.  Allocate the
        necessary memory for the string.
        (alloc_scalar_allocatable_for_assignment): Same change as in
        gfc_alloc_allocatable_for_assignment above.
        * trans-stmt.c (gfc_trans_allocate): Likewise.
        * trans-intrinsic (size_of_string_in_bytes): Make non-static.
        * trans-types.c (gfc_get_derived_type): Set the tree type for
        a deferred character length component.
        * trans.c (gfc_deferred_strlen): New function.
        * trans.h (size_of_string_in_bytes,gfc_deferred_strlen): New prototypes.

2014-03-01  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/60341
        * frontend-passes.c (optimize_comparison): Guard two union accesses
        with the corresponding tag checks.

2014-02-28  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/60359
        * class.c (find_intrinsic_vtab): Prevent duplicate creation of copy
        procedure for characters.

2014-02-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/60302
        * check.c (gfc_check_c_f_pointer): Only clear 'size' if 'gfc_array_size'
        is successful.

2014-02-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/60234
        * gfortran.h (gfc_build_class_symbol): Removed argument.
        * class.c (gfc_add_component_ref): Fix up missing vtype if necessary.
        (gfc_build_class_symbol): Remove argument 'delayed_vtab'. vtab is always
        delayed now, except for unlimited polymorphics.
        (comp_is_finalizable): Procedure pointer components are not finalizable.
        * decl. (build_sym, build_struct, attr_decl1): Removed argument of
        'gfc_build_class_symbol'.
        * match.c (copy_ts_from_selector_to_associate, select_type_set_tmp):
        Ditto.
        * symbol.c (gfc_set_default_type): Ditto.

2014-02-19  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/60232
        * expr.c (gfc_get_variable_expr): Don't add REF_ARRAY for dimensionful
        functions, which are used as procedure pointer target.

2014-02-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/49397
        * expr.c (gfc_check_pointer_assign): Add check for
        F2008Cor2, C729.
        * trans-decl.c (gfc_get_symbol_decl): Correctly generate external
        decl in a corner case.

2014-02-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/60231
        * resolve.c (check_generic_tbp_ambiguity): Check for presence of dummy
        arguments to prevent ICE.

2014-02-17  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/55907
        * resolve.c (build_default_init_expr): Don't initialize character
        variable if -fno-automatic is given.

2014-02-15  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/59599
        * trans-intrinsic.c (gfc_conv_intrinsic_ichar): Calculate the
        number of arguments.

2014-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/52370
        * trans-decl.c (gfc_build_dummy_array_decl): Set TREE_NO_WARNING
        on decl if sym->attr.optional.

2014-02-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/57522
        * resolve.c (resolve_assoc_var): Set the subref_array_pointer
        attribute for the 'associate-name' if necessary.
        * trans-stmt.c (trans_associate_var): If the 'associate-name'
        is a subref_array_pointer, assign the element size of the
        associate variable to 'span'.

2014-02-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/59026
        * trans-expr.c (gfc_conv_procedure_call): Pass the value of the
        actual argument to a formal argument with the value attribute
        in an elemental procedure.

2014-02-08  Janus Weil  <janus@gcc.gnu.org>
            Mikael Morin <mikael.morin@gcc.gnu.org>

        PR fortran/58470
        * class.c (generate_finalization_wrapper): Assert that proc_tree has
        been set in gfc_resolve_finalizers.
        * resolve.c (resolve_fl_derived0): Remove unnecessary call to
        gfc_is_finalizable.

2014-02-07  Benno Schulenberg  <bensberg@justemail.net>

        PR translation/52289
        * fortran/resolve.c (resolve_ordinary_assign): Fix typoed word
        in an error message.

2014-02-02  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/57033
        * primary.c (gfc_convert_to_structure_constructor): Avoid null pointer
        dereference.

2014-02-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/59906
        * trans-stmt.c (gfc_add_loop_ss_code): In the case of character
        SS_REFERENCE, use gfc_conv_string_parameter to ensure that a
        pointer to the string is stored.
        * trans-expr.c (gfc_conv_expr_reference): Likewise, use
        gfc_conv_string_parameter to ensure that a pointer to is passed
        to the elemental function.

2014-01-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/59414
        * trans-stmt.c (gfc_trans_allocate): Before the pointer
        assignment to transfer the source _vptr to a class allocate
        expression, the final class reference should be exposed. The
        tail that includes the _data and array references is stored.
        This reduced expression is transferred to 'lhs' and the _vptr
        added. Then the tail is restored to the allocate expression.

2014-01-26  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/58007
        * module.c (read_module): Assert for component name correctness.

2014-01-18  Mikael Morin  <mikael@gcc.gnu.org>

        PR fortran/58007
        * module.c (MOD_VERSION): Bump.
        (fp2, find_pointer2): Remove.
        (mio_component_ref): Don't forcedfully set the containing derived type
        symbol for loading.  Remove unused argument.
        (mio_ref): Update caller
        (mio_symbol): Dump component list earlier.
        (skip_list): New argument nest_level.  Initialize level with the new
        argument.
        (read_module): Add forced pointer components association for derived
        type symbols.

2014-01-12  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/58026
        * decl.c (gfc_match_data_decl): Improve error recovery.

2014-01-09  Tobias Burnus  <burnus@net-b.de>

        * cpp.c (gfc_cpp_handle_option): Add missing break.
        * trans-io.c (transfer_expr): Silence unused value warning.

2014-01-08  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/58182
        * resolve.c (gfc_verify_binding_labels): Modify order of checks.

2014-01-06  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/59589
        * class.c (comp_is_finalizable): New function to dermine if a given
        component is finalizable.
        (finalize_component, generate_finalization_wrapper): Use it.

2014-01-06  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/59023
        PR fortran/59662
        * resolve.c (resolve_global_procedure): Don't apply to c-binding
        procedures.
        (gfc_verify_binding_labels): Remove duplicate line.

2014-01-04  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/59547
        * class.c (add_proc_comp): Copy pure attribute.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years

2014-01-02  Tobias Burnus  <burnus@net-b.de>

        * gfortranspec.c (lang_specific_driver): Update copyright notice
        dates.
        * gfc-internals.texi: Bump @copying's copyright year.
        * gfortran.texi: Ditto.
        * intrinsic.texi: Ditto.
        * invoke.texi: Ditto.

2014-01-02  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/59654
        * resolve.c (resolve_typebound_procedures): No need to create the vtab
        here.
\f
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