2009-04-09 Robert Dewar <dewar@adacore.com>
* binderr.adb, errout.adb, errutil.adb: New circuitry for handling
Maximum_Messages.
* erroutc.adb, erroutc.ads (Warnings_Suppressed): Now tests global
warning status as well.
* opt.ads (Maximum_Messages): New name for Maximum_Errors.
* switch-b.adb, switch-c.adb: Change name Maximum_Errors to
Maximum_Messages.
* bindusg.adb, usage.adb: Update line for -gnatm switch
* gnat_ugn.texi: Update documentation for -gnatmnn compiler switch and
-mnn binder switch.
* sem_ch10.adb: Minor reformatting.
From-SVN: r145822
2009-04-09 Bob Duff <duff@adacore.com>
* exp_ch11.adb (Expand_Exception_Handlers, Prepend_Call_To_Handler):
Set Sloc of generated nodes for calls to Undefer_Aborts and
Save_Occurrence to No_Location, so the debugger ignores them and
therefore does not jump back and forth when single stepping.
2009-04-09 Robert Dewar <dewar@adacore.com>
* switch-b.adb: Minor reformatting.
From-SVN: r145821
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
