* tracebak.c (__gnat_backtrace): Mark top_stack with
ATTRIBUTE_UNUSED.

From-SVN: r159356

	* cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
	* cgraph.h (cgraph_only_called_directly_p,
	cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
	(cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
	* cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
	(assemble
	* ipa.c (cgraph_remove_unreachable_nodes): Use
	cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
	* tree-inline.c (copy_bb): Check address_taken flag.
	* tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
	externally_visible flag.

	* tree-ssa/unreachable.c: New test.

From-SVN: r159354

	* typeck.c (build_array_ref): Take complain parm.
	* cp-tree.h: Add it to prototype.
	* call.c (build_new_op): Pass it.
	* class.c (build_vtbl_ref): Pass it.
	* decl2.c (grok_array_decl): Pass it.

From-SVN: r159351

	PR bootstrap/44048
	PR target/44099
gcc/cp:
	* cp-tree.def (NULLPTR_TYPE): Remove.
	* cp-tree.h (NULLPTR_TYPE_P): New.
	(SCALAR_TYPE_P): Use it.
	(nullptr_type_node): New.
	(cp_tree_index): Add CPTI_NULLPTR_TYPE.
	* decl.c (cxx_init_decl_processing): Call record_builtin_type on
	nullptr_type_node.
	* cvt.c (ocp_convert): Use NULLPTR_TYPE_P instead of NULLPTR_TYPE.
	* cxx-pretty-print.c (pp_cxx_constant): Likewise.
	* error.c (dump_type, dump_type_prefix, dump_type_suffix): Likewise.
	* mangle.c (write_type): Likewise.
	* name-lookup.c (arg_assoc_type): Likewise.
	* typeck.c (build_reinterpret_cast_1): Likewise.
	* rtti.c (typeinfo_in_lib_p): Likewise.
	(emit_support_tinfos): Remove local nullptr_type_node.
gcc:
	* dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
	* sdbout.c (plain_type_1): Likewise.
	* dwarf2out.c (is_base_type): Likewise.
	(gen_type_die_with_usage): Likewise.  Generate
	DW_TAG_unspecified_type for any LANG_TYPE.

From-SVN: r159350

	* cp-tree.h (UNKNOWN_TYPE): Remove.
	* decl.c (cxx_init_decl_processing): Use LANG_TYPE instead.
	* error.c (dumy_type, dump_type_prefix, dump_type_suffix): Likewise.
	* typeck2.c (cxx_incomplete_type_diagnostic): Likewise.
	* class.c (instantiate_type): Check unknown_type_node rather than
	UNKNOWN_TYPE.
	* name-lookup.c (maybe_push_decl): Likewise.
	* rtti.c (get_tinfo_decl_dynamic): Likewise.
	(get_typeid): Likewise.
	* semantics.c (finish_offsetof): Likewise.

From-SVN: r159349

From-SVN: r159348

	* tests/leak_test.c (main): Declare as int.  Return 0.
	* tests/thread_leak_test.c (main): Ditto.
	* tests/trace_test.c (main): Ditto.

From-SVN: r159344

	* cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
	indrect edges too.
	* cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
	(cgraph_clone_edge): Update.
	(cgraph_node_remove_callees): Remove indirect calls too.
	* cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
	(cgraph_create_indirect_edge): Update prototype.
	* ipa-reference.c (has_proper_scope_for_analysis): Rename to
	is_proper_for_analysis.
	(add_new_function, visited_nodes, function_insertion_hook_holder,
	get_local_reference_vars_info, mark_address_taken, mark_address,
	mark_load, mark_store, check_asm_memory_clobber, check_call,
	scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
	(ipa_init): Do not initialize visited_nodes;
	function_insertion_hook_holder.
	(analyze_variable): Rewrite.
	(analyze_function): Rewrite.
	(copy_local_bitmap): Remove.
	(duplicate_node_dat): Do not duplicate local info.
	(generate_summary): Simplify to only walk cgraph.
	(write_node_summary_p, ipa_reference_write_summary,
	ipa_reference_read_summary): Remove.
	(propagate): Do not remove function insertion;
	generate summary.
	(pass_ipa_reference): NULLify summary handling fields.
	* lto-cgraph.c (lto_output_edge): Output ecf_flags.
	(input_edge): Input ecf_flags.
	* ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
	(update_indirect_edges_after_inlining): Ignore edges with unknown
	param.

From-SVN: r159343

	* implicit-zee.c: New file.
	* tree-pass.h (pass_implicit_zee): Declare.
	* passes.c (init_optimization_passes): Add zee pass.
	* common.opt (fzee): New flag.
	* timevar.def (TV_ZEE): Define.
	* config/i386/i386.c (optimization_options): Turn on ZEE for level 2
	and beyond.
	* Makefile.in (implicit-zee.o): Add new build file.
	* gcc.target/i386/zee.c: New file.

From-SVN: r159342

	* c-common.c (sync_resolve_params): Remove write-only variable.

Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r159340

	* target.h (struct gcc_target): Add mode_dependent_address_p field.
	* target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
	(TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
	* targhooks.c (default_mode_dependent_address_p): New function.
	* targhooks.h (default_mode_dependent_address_p): Declare function.
	* doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
	(GO_IF_MODE_DEPENDENT_ADDRESS): Update.
	* recog.c: (mode_dependent_address_p): Call mode_dependent_address_p
	target hook. Change return type to bool.
	* recog.h: (mode_dependent_address_p): Change return type to bool.

From-SVN: r159339

From-SVN: r159338

	PR c++/20669
	* call.c (add_template_candidate_real): If deduction fails, still
	add the template as a non-viable candidate.
	(equal_functions): Handle template candidates.
	(print_z_candidate): Likewise.
	(print_z_candidates): Likewise.
	(build_new_function_call): Likewise.

From-SVN: r159335

	* cp-tree.h (LOOKUP_LIST_ONLY): New.
	* call.c (add_candidates): Enforce it.
	(build_new_method_call): Try non-list ctor if no viable list ctor.
	(build_user_type_conversion_1): Likewise.

From-SVN: r159334

	* call.c (add_candidates): Distinguish between type(x) and
	x.operator type().
	(convert_class_to_reference): Set LOOKUP_NO_CONVERSION.
	(build_new_method_call): Give better error for conversion op.

From-SVN: r159333

	* call.c (add_candidates): Add first_arg and return_type parms.
	Add special constructor/conversion op handling.
	(convert_class_to_reference): Use it.
	(build_user_type_conversion_1): Likewise.
	(build_op_call): Likewise.
	(build_new_method_call): Likewise.
	(build_new_op): Adjust.
	(perform_overload_resolution): Adjust.

From-SVN: r159332

	* tree-mudflap.c (build_function_type_0, build_function_type_1,
	build_function_type_2, build_function_type_3): Remove.
	(mudflap_init): Use build_function_type_list.

Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r159328

	* coverage.c (build_fn_info_value): Call build_constructor instead of
	build_constructor_from_list.
	(build_ctr_info_value): Likewise.
	(build_gcov_info): Likewise.

Co-Authored-By: Nathan Froyd <froydnj@codesourcery.com>

From-SVN: r159326

	* tree.c (build_constructor): Compute TREE_CONSTANT for the
	resultant constructor.
	(build_constructor_single): Don't set TREE_CONSTANT.
	(build_constructor_from_list): Don't compute TREE_CONSTANT.

From-SVN: r159325

	* cgraph.h (struct varpool_node): Add aux.
	* varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
	* varpool.c (varpool_remove_node): Do not remove initializer.
	(varpool_reset_queue): Export.
	(varpool_finalize_decl): Volatile vars are forced to be output.
	* lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
	replaced decl.
	* ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
	process_references, varpool_can_remove_if_no_refs): New functions.
	(cgraph_remove_unreachable_nodes): Handle variables too.

From-SVN: r159321

gcc/

2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44088
	* config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.

gcc/testsuite/

2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44088
	* gcc.target/i386/avx-cmpsd-1.c: New.
	* gcc.target/i386/avx-cmpsd-2.c: Likewise.
	* gcc.target/i386/avx-cmpss-1.c: Likewise.
	* gcc.target/i386/avx-cmpss-2.c: Likewise.
	* gcc.target/i386/sse-cmpss-1.c: Likewise.
	* gcc.target/i386/sse2-cmpsd-1.c: Likewise.

From-SVN: r159319

	PR middle-end/44085
	* gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
	change value of ORT_TASK.
	(new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
	(omp_notice_threadprivate_variable): New function.
	(omp_notice_variable): Call it for threadprivate variables.
	If enclosing ctx is a task, print enclosing task rather than
	enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
	(gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
	if task has untied clause.

	* gcc.dg/gomp/pr44085.c: New test.
	* gfortran.dg/gomp/pr44085.f90: New test.

From-SVN: r159316

	PR debug/42278
	* dwarf2out.c (base_type_die): Don't add name attribute here.
	(modified_type_die): Instead of sizetype use
	its underlying original type.  If a DW_TAG_base_type doesn't
	have name added, add __unknown__.
	(dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
	always call force_type_die instead.

From-SVN: r159315

From-SVN: r159314

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Tidy up
	code, improve comments and fix formatting nits.

From-SVN: r159312

	* objc-obj-c++-shared/Object1.m: New.
	* objc.dg/torture: New directory.
	* objc.dg/torture/tls: Ditto.
	* objc.dg/tls: Ditto.
	* objc.dg/torture/tls/trivial.m: New test.
	* objc.dg/torture/tls/thr-init-2.m: New test.
	* objc.dg/torture/tls/thr-init-3.m: New test.
	* objc.dg/torture/tls/thr-init.m: New test.
	* objc.dg/torture/tls/diag-1.m: New test.
	* objc.dg/torture/tls/tls.exp: New.
	* objc.dg/torture/trivial.m: New test.
	* objc.dg/torture/dg-torture.exp: New.
	* objc.dg/tls/diag-3.m: New test.
	* objc.dg/tls/diag-4.m: New test.
	* objc.dg/tls/diag-5.m: New test.
	* objc.dg/tls/init-1.m: New test.
	* objc.dg/tls/init-2.m: New test.
	* objc.dg/tls/tls.exp: New.
	* objc.dg/tls/diag-2.m: New test.
	* lib/objc.exp: Respond to dg-additional-files.

From-SVN: r159311

	* targhooks.c (default_stack_protect_guard): Avoid sharing RTL
	for __stack_chk_guard.

	* gcc.target/m68k/20100512-1.c: New.

From-SVN: r159310

	* gcc-interface/utils.c (update_pointer_to): Return early if the old
	pointer already points to the new type.  Chain the old pointer and its
	variants at the end of new pointer's chain after updating them.

From-SVN: r159309

From-SVN: r159305

From-SVN: r159300

/cp
2010-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34272
	PR c++/43630
	PR c++/34491
	* pt.c (process_partial_specialization): Return error_mark_node
	in case of unused template parameters in partial specialization.

/testsuite
2010-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34272
	PR c++/43630
	PR c++/34491
	* g++.dg/template/crash97.C: New.
	* g++.dg/template/crash98.C: Likewise.
	* g++.dg/template/crash99.C: Likewise.
	* g++.dg/cpp0x/pr31439.C: Adjust.
	* g++.dg/template/crash95.C: Likewise.

From-SVN: r159295

c-opts.c (c_common_parse_file): If start_end_main_source_file, don't call start_source_file debug hook here...

	* c-opts.c (c_common_parse_file): If start_end_main_source_file,
	don't call start_source_file debug hook here...
	(finish_options): ... but here, after outputting predefined and
	command line defines and undefs.

From-SVN: r159293

2010-05-11  Kai Tietz  <kai.tietz@onevision.com>

        * lto-coff.c (IMAGE_FILE_MACHINE_ADM64): Rename to
        IMAGE_FILE_MACHINE_AMD64.
        * lto-coff.c (IMAGE_FILE_MACHINE_ADM64): Likewise.

From-SVN: r159290

	PR middle-end/44071
	* cfglayout.c (fixup_reorder_chain): Allow asm goto to have
	no fallthru edge.
	* cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
	optimizing away empty bb with no successors, move over its
	footer chain to fallthru predecessor.
	* cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
	(rtl_split_edge): For asm goto call patch_jump_insn even if
	splitting fallthru edge.

	* c-c++-common/asmgoto-4.c: New test.
	* gcc.target/i386/pr44071.c: New test.

From-SVN: r159288

	PR c++/44059
	* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
	even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
	* config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
	* dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
	on DW.ref.* decls.

From-SVN: r159287

	PR c++/44062
	* c-parser.c (c_parser_expression): Mark LHS of a comma
	expression as read if it is a decl, handled component or
	COMPOUND_EXPR with that on the RHS.
	* c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
	if it is a decl or handled component.

	* semantics.c (finish_expr_stmt): Don't call mark_exp_read here...
	* cvt.c (convert_to_void): ... but here.  If expr is a COMPOUND_EXPR,
	look at its second operand.

	* c-c++-common/Wunused-var-7.c: New test.
	* g++.dg/warn/Wunused-var-9.C: New test.

From-SVN: r159286

gcc/fortran/:
2010-05-11  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/43711
        * openmp.c (gfc_match_omp_taskwait): Report unexpected characters
        after OMP statement.
        (gfc_match_omp_critical): Likewise.
        (gfc_match_omp_flush): Likewise.
        (gfc_match_omp_workshare): Likewise.
        (gfc_match_omp_master): Likewise.
        (gfc_match_omp_ordered): Likewise.
        (gfc_match_omp_atomic): Likewise.
        (gfc_match_omp_barrier): Likewise.
        (gfc_match_omp_end_nowait): Likewise.

gcc/testsuite/:
2010-05-11  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/43711
        * gfortran.dg/gomp/pr43711.f90: New.

From-SVN: r159282

	* lto.c (lto_fixup_decls): Remove global var decls freeing here.
	(materialize_cgraph): Add it here.

From-SVN: r159281

	* lto-symtab.c (lto_symtab_free): New function.
	* lto-streamer.h (lto_symtab_free): Declare.

	* lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
	that if function is needed it is reachable.
	(lto_output_node): See if it the function is reachable or referenced.
	(output_cgraph): Update call of lto_output_node.
	* lto-streamer.h (reachable_from_other_partition_p): Declare.

	* lto.c (lto_fixup_decls): Free no longer needed lto_global_var_decls
	vector.

	* lto.c (lto_1_to_1_map): Remove some no longer needed checks.
	(lto_promote_cross_file_statics): Never promote DECL_EXTERNAL;
	use reachable_from_other_partition_p and
	referenced_from_other_partition_p test.

From-SVN: r159280

	* crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
	Mark as used.

From-SVN: r159279