2009-04-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/36704
* decl.c (add_hidden_procptr_result): New function for handling
procedure pointer return values by adding a hidden result variable.
(variable_decl,match_procedure_decl,gfc_match_function_decl,
gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
return values.
* parse.c (parse_interface): Add EXTERNAL attribute only after
FUNCTION/SUBROUTINE declaration is complete.
* primary.c (replace_hidden_procptr_result): New function for replacing
function symbol by hidden result variable.
(gfc_match_rvalue,match_variable): Replace symbol by hidden result
variable.
* resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
resolve_symbol): Allow for procedure pointer function results.
(resolve_fl_procedure): Conflict detection moved here from
'check_conflict'.
* symbol.c (gfc_check_function_type): Allow for procedure pointer
function results.
(check_conflict): Move some conflict detection to resolution stage.
* trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
result variables.
2009-04-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/36704
* gfortran.dg/external_procedures_1.f90: Modified.
* gfortran.dg/proc_ptr_result_1.f90: New.
* gfortran.dg/proc_ptr_result_2.f90: New.
* gfortran.dg/proc_ptr_result_3.f90: New.
From-SVN: r145815
2009-04-09 Javier Miranda <miranda@adacore.com>
* exp_disp.adb (Export_DT): Addition of a new argument (Index); used to
retrieve from the Dispatch_Table_Wrappers list the external name.
Addition of documentation.
(Make_Secondary_DT): Addition of a new argument (Suffix_Index) that is
used to export secondary dispatch tables (in the previous version of
the frontend only primary dispatch tables were exported). Addition of
documentation.
(Import_DT): New subprogram (internal of Make_Tags). Used to import a
dispatch table of a given tagged type.
(Make_Tags): Modified to import secondary dispatch tables.
* sem_ch3.adb (Analyze_Object_Declaration): Code cleanup.
(Constant_Redeclaration): Code cleanup.
* einfo.ads (Dispatch_Table_Wrapper): Renamed to
Dispatch_Table_Wrappers. Update documentation.
* einfo.adb (Dispatch_Table_Wrapper, Set_Dispatch_Table_Wrapper):
Renamed to Dispatch_Table_Wrappers.
* sem_util.adb (Collect_Interface_Components): Improve handling of
private types.
* atree.ads (Elist26, Set_Elist26): New subprograms
* atree.adb (Elist26, Set_Elist26): New subprograms
From-SVN: r145811
2009-04-09 Javier Miranda <miranda@adacore.com>
* sem_ch3.adb (Build_Derived_Record_Type): Fix typo.
(Derive_Progenitor_Subprograms): Handle interfaces in subtypes of
tagged types.
2009-04-09 Robert Dewar <dewar@adacore.com>
* s-direio.adb: Minor reformatting
* exp_ch4.adb (Expand_Concatenate): Avoid overflow checks for String
From-SVN: r145808
* except.c (find_prev_try): Break out from ....
(duplicate_eh_regions): ... here; properly update prev_try pointers
when duplication part of tree.
(dump_eh_tree): Improve dumping.
(verify_eh_region): New.
(verify_eh_tree): Use it.
From-SVN: r145805
2009-04-09 Pascal Obry <obry@adacore.com>
* a-cihama.adb, a-cihama.ads, a-coinve.adb, a-coorma.ads, a-cihase.adb,
a-cihase.ads, a-cohama.adb, a-cohama.ads, a-coorse.adb, a-coorse.ads,
a-coormu.adb, a-coormu.ads, a-cohase.adb, a-cohase.ads: Minor
reformatting.
2009-04-09 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Check_Overriding_Indicator): Do not generate warning on
missing overriding indicator if the new declaration is not seen as
primitive.
From-SVN: r145804
2009-04-09 Richard Guenther <rguenther@suse.de>
* tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
indices into an array reference if possible.
* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
Fold POINTER_PLUS_EXPR statements with invariant address.
* gcc.dg/tree-ssa/ssa-ccp-25.c: New testcase.
* gcc.dg/tree-ssa/ssa-ccp-26.c: Likewise.
From-SVN: r145799
PR c/39613
* c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
it and pedwarn if this results in an INTEGER_CST.
testsuite:
* gcc.dg/case-const-1.c, gcc.dg/case-const-2.c,
gcc.dg/case-const-3.c: New tests.
From-SVN: r145793
* include/backward/hashtable.h (erase): Correctly handle erasing a
reference to an entry in the hash table.
* testsuite/backward/hash_map/25896.cc: New.
* testsuite/backward/hash_set/25896.cc: New.
From-SVN: r145788
* dwarf2out.c (class_scope_p): New static inline.
(class_or_namespace_scope_p): Use it.
(gen_variable_die): Use DW_TAG_member tag for static data member
declarations instead of DW_TAG_variable.
* g++.dg/debug/dwarf2/static-data-member1.C: New test.
From-SVN: r145770
2009-04-08 Robert Dewar <dewar@adacore.com>
* checks.adb (Enable_Overflow_Check): Do not enable if overflow checks
suppressed.
* exp_ch4.adb (Expand_Concatenate): Make sure checks are off for all
resolution steps.
2009-04-08 Robert Dewar <dewar@adacore.com>
* sem_ch12.adb (Analyze_Package_Instantiation): Remove test for
No_Local_Allocators restriction preventing local instantiation.
2009-04-08 Thomas Quinot <quinot@adacore.com>
* sem_eval.adb: Minor comment fix
2009-04-08 Thomas Quinot <quinot@adacore.com>
* g-socket.adb, g-socket.ads (GNAT.Sockets.Sockets_Library_Controller):
New limited controlled type used to automate the initialization and
finalization of the sockets implementation.
(GNAT.Sockets.Initialize, Finalize): Make these no-ops
2009-04-08 Vincent Celier <celier@adacore.com>
* prj-attr.adb: New read-only project-level attribute Project_Dir
* prj-proc.adb (Add_Attributes): New parameter Project_Dir, value of
read-only attribute of the same name.
(Process_Declarative_Items): Call Add_Attributes with Project_Dir
(Recursive_Process): Ditto
* snames.adb: Add new standard name Project_Dir
* snames.ads: Add new standard name Project_Dir
From-SVN: r145766
2009-04-08 Janne Blomqvist <jb@gcc.gnu.org>
* io/open.c (already_open): Test for POSIX close return value.
* io/unit.c (close_unit_1): Likewise.
* io/unix.c (raw_close): Return 0 for success for preconnected units.
From-SVN: r145761
2009-04-08 Thomas Quinot <quinot@adacore.com>
* checks.adb: Minor reformatting
2009-04-08 Vincent Celier <celier@adacore.com>
* vms_data.ads: Add documentation for new style keyword
OVERRIDING_INDICATORS
2009-04-08 Robert Dewar <dewar@adacore.com>
* sem_ch3.adb (Check_Completion.Post_Error): Post error on spec if the
spec is in the current unit.
From-SVN: r145749
* tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
* function.h (rtl_eh): Remove exception_handler_label_map.
* except.c (ehl_hash, ehl_eq, add_ehl_entry,
remove_exception_handler_label, for_each_eh_label_1): Remove.
(rtl_remove_unreachable_regions): Remove.
(convert_from_eh_region_ranges): Do not remove unreachable regions.
(find_exception_handler_labels): Don't build the hashtable.
(maybe_remove_eh_handler): Remove.
(for_each_eh_label): Rewrite to walk the tree.
(rest_of_handle_eh): Do not cleanup cfg prior EH construction.
* except.h (maybe_remove_eh_handler): Remove.
* passes.c (init_optimization_passes): Schedule second EH cleanup
before out-of-ssa.
* cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
From-SVN: r145747
2009-04-08 Paolo Bonzini <bonzini@gnu.org>
* genoutput.c (validate_optab_operands): New.
(gen_insn, gen_expand): Call it.
* genflags.c (gen_insn): Detect misused iterators.
(main): Pass line_no to gen_insn, exit with status 1 on error.
* genextract.c (line_no): Make global.
(VEC_safe_set_locstr): Change assertion to error message.
(main): Exit with status 1 on error.
From-SVN: r145746
2009-04-08 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Is_Protected_Self_Reference): Add guard to check for
presence of entity.
* usage.adb, gnat_ugn.texi: add info on -gnatyO: overriding indicators
2009-04-08 Vincent Celier <celier@adacore.com>
* vms_data.ads: Add VMS equivalent for -gnatyO (OVERRIDING_INDICATORS)
2009-04-08 Thomas Quinot <quinot@adacore.com>
* checks.ads: Minor reformatting
2009-04-08 Robert Dewar <dewar@adacore.com>
* gnat_rm.texi: Update documentation of pragma Obsolescent
* sem_prag.adb (Analyze_Pragma, case Obsolescent): Allow identifiers to
be omitted, and allow Entity parameter to be omitted.
From-SVN: r145745
2009-04-08 Thomas Quinot <quinot@adacore.com>
* exp_util.adb: Minor comment fix
2009-04-08 Robert Dewar <dewar@adacore.com>
* g-socket.ads: Fix bad syntax in pragma Obsolescent
* par-ch2.adb (Scan_Pragma_Argument_Association): Check for error of
argument with no identifier following one that has an identifier. Was
missed in some cases.
* sem_prag.adb (Analyze_Pragma, case Check_Policy): Allow Policy
identifier.
(Analyze_Pragma, case Obsolescent): Allow Message, Version identifiers
* snames.adb: Add Name_Policy
* snames.ads: Add Name_Policy
From-SVN: r145744
2009-04-08 Vincent Celier <celier@adacore.com>
* snames.adb, snames.ads: Add new standard names IDE and
Compiler_Command.
2009-04-08 Ed Schonberg <schonberg@adacore.com>
* exp_util.adb (Safe_Unchecked_Type_Conversion): Conversion is safe,
i.e. does not need a temporary to capture the value, if expression is
an acceess type, even if target type is a record whose size may not
have been determined yet.
* exp_disp.adb (Expand_Dispatching_Call): Set size info for generated
access_to_subprogram type, to avoid order-of-elaboration anomalies in
gigi.
From-SVN: r145743
2009-04-08 Robert Dewar <dewar@adacore.com>
* sem_cat.adb (Check_Categorization_Dependencies): Handle Preelaborate
properly in the presence of Remote_Types or Remote_Call_Interface.
* sem_util.adb: Add comment.
From-SVN: r145739
PR c/39614
PR c/39673
* c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
* c-convert.c (convert): Do not call fold on results of conversion
functions when the result is a C_MAYBE_CONST_EXPR.
* c-parser.c (c_parser_postfix_expression): Do not fold condition
of __builtin_choose_expr.
* c-typeck.c (remove_c_maybe_const_expr): New.
(build_unary_op, build_conditional_expr, build_compound_expr,
build_binary_op, c_objc_common_truthvalue_conversion): Call
remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
integer operands.
testsuite:
* gcc.c-torture/compile/pr39614-1.c,
gcc.c-torture/compile/pr39614-2.c,
gcc.c-torture/compile/pr39614-3.c,
gcc.c-torture/compile/pr39614-4.c,
gcc.c-torture/compile/pr39614-5.c,
gcc.c-torture/compile/pr39673-1.c,
gcc.c-torture/compile/pr39673-2.c: New tests.
* gcc.dg/gnu89-const-expr-2.c, gcc.dg/gnu99-const-expr-2.c: Test
more cases.
* gcc.dg/overflow-warn-1.c, gcc.dg/overflow-warn-2.c,
gcc.dg/overflow-warn-3.c, gcc.dg/overflow-warn-4.c: Update
expected errors.
From-SVN: r145737
2009-04-08 Robert Dewar <dewar@adacore.com>
* ug_words: Add /ASSUME_VALID for -gnatB
* vms_data.ads: Add /ASSUME_VALID for -gnatB
* sem_cat.adb: Add clarifying commment
* a-direio.ads (Bytes): Make sure value is non-zero
2009-04-08 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Is_Variable): If the prefix is an explicit dereference
that does not come from source, check for a rewritten function call in
prefixed notation before other forms of rewriting.
2009-04-08 Robert Dewar <dewar@adacore.com>
* Makefile.rtl: Remove s-strops and s-sopco? from the run time, since
these are now obsolescent units used only for bootrapping with an
older compiler.
From-SVN: r145733
2009-04-08 Robert Dewar <dewar@adacore.com>
* gnat_rm.texi: Add documentation for pragma Thread_Local_Storage
* sem_ch3.adb: Minor comment updates
2009-04-08 Ed Schonberg <schonberg@adacore.com>
* inline.adb (Back_End_Cannot_Inline): restrict warning to subprograms
that come from source.
From-SVN: r145732
2009-04-08 Bingfeng Mei <bmei@broadcom.com>
* fold-const.c (const_binop): Combine two VECTOR_CST under operation
CODE to produce a new one. Add a prototype to use fold_convert_const
From-SVN: r145731
2009-04-08 Ed Schonberg <schonberg@adacore.com>
* inline.adb (Back_End_Cannot_Inline): Do not mark a body as inlineable
by the back-end if it contains a call to a subprogram without a
previous spec that is declared in the same unit.
* errout.ads: Update comments on uses of dirs
2009-04-08 Robert Dewar <dewar@adacore.com>
* exp_ch4.adb (Expand_Concatenate): Make sure nodes are properly typed
From-SVN: r145729
2009-04-08 Tristan Gingold <gingold@adacore.com>
* sem_prag.adb: Restrict pragma Thread_Local_Storage to library level
variables.
Set Has_Gigi_Rep_Item flag to TLS variables (to ease gigi work).
2009-04-08 Vincent Celier <celier@adacore.com>
* prj-nmsc.adb:
(Add_Source): Add the mapping of the unit name to source file name in
the Unit_Sources_HT hash table, if the unit name is not null.
* prj.adb (Reset): Reset hash table Tree.Unit_Sources_HT
* prj.ads (Unit_Sources_Htable): New hash table instantiation
(Project_Tree_Data): New component Unit_Sources_HT
From-SVN: r145728
Robert Dewar
Janus Weil
Arnaud Charlet
Javier Miranda
Jan Hubicka
Richard Guenther
Alan Modra
Joseph Myers
GCC Administrator
Ian Lance Taylor
Adam Nemet
Kaveh R. Ghazi
Jakub Jelinek
Janne Blomqvist
Daniel Franke
David Edelsohn
Jason Merrill
Paolo Bonzini
Bingfeng Mei
Tristan Gingold