2011-05-08  Chung-Lin Tang  <cltang@codesourcery.com>

	* combine.c (simplify_comparison): Abstract out parts into...
	(simplify_compare_const): ... new function.
	(try_combine): Generalize parallel arithmetic/compare combining
	to call simplify_compare_const() and CANONICALIZE_COMPARE().

From-SVN: r173552

	* cgraph.c (cgraph_clone_node): Add call_duplication_hook parameter.
	(cgraph_create_virtual_clone): Call hooks once virtual clone is finished.
	* cgraph.h (cgraph_clone_node): Update prototype.
	* ipa-cp.c (ipcp_estimate_growth): Use estimate_ipcp_clone_size_and_time.
	* ipa-inline-transform.c (clone_inlined_nodes): Update.
	* lto-cgraph.c (input_node): Update.
	* ipa-inline.c (recursive_inlining): Update.
	* ipa-inline.h (estimate_ipcp_clone_size_and_time): New function.
	(evaluate_conditions_for_known_args): Break out from ...
	(evaluate_conditions_for_edge): ... here.
	(evaluate_conditions_for_ipcp_clone): New function.
	(inline_node_duplication_hook): Update clone summary based
	on parameter map.
	(estimate_callee_size_and_time): Rename to ...
	(estimate_node_size_and_time): take NODE instead of EDGE;
	take POSSIBLE_TRUTHS as argument.
	(estimate_callee_size_and_time): Update.
	(estimate_ipcp_clone_size_and_time): New function.
	(do_estimate_edge_time): Update.

From-SVN: r173551

2011-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48908
	PR middle-end/48905
	* expmed.c (expand_shift_1): Compute adjusted constant shift
	amount manually.

From-SVN: r173550

2011-05-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/48816
	* cxx-pretty-print.c (pp_cxx_template_declaration): Remove
	effectively unused variable.

From-SVN: r173549

From-SVN: r173548

From-SVN: r173547

From-SVN: r173546

From-SVN: r173543

2011-05-08  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/invoke.texi (-fuse-linker-plugin): Improve grammar.

From-SVN: r173538

	* ipa-inline-transform.c (inline_call): Account when program size decreases.
	* ipa-inline.c (relative_time_benefit): New function.
	(edge_badness): Reorganize to be power 2 based; fix
	thinko when computing badness for negative growth; update
	comments to match reality; better dumps.

From-SVN: r173537

From-SVN: r173536

langhooks.h (lang_hooks_for_types): Change global_bindings_p's return type to bool and adjust comment.

2011-05-07  Eric Botcazou  <ebotcazou@adacore.com>

	* langhooks.h (lang_hooks_for_types): Change global_bindings_p's return
	type to bool and adjust comment.
	* fold-const.c (fold_range_test): Adjust call to global_bindings_p.
	(fold_mathfn_compare): Remove calls to global_bindings_p.
	(fold_inf_compare): Likewise.
	* stor-layout.c (variable_size): Adjust call to global_bindings_p.
	* c-tree.h (global_bindings_p): Adjust prototype.
	* c-decl.c (global_bindings_p): Return bool and simplify.
ada/
	* gcc-interface/gigi.h (global_bindings_p): Adjust prototype.
	* gcc-interface/utils.c (global_bindings_p): Return bool and simplify.
cp/
	* name-lookup.h (global_bindings_p): Adjust prototype.
	* name-lookup.c (global_bindings_p): Return bool.
fortran/
	* f95-lang.c (global_bindings_p): Return bool and simplify.
go/
	* go-lang.c (global_bindings_p): Return bool and simplify.
java/
	* java-tree.h (global_bindings_p): Adjust prototype.
	* decl.c (global_bindings_p): Return bool.
lto/
	* lto-lang.c (global_bindings_p): Return bool.

From-SVN: r173535

	PR tree-optimization/48837
	* tree-tailcall.c (tree_optimize_tail_calls_1): Do not mark tailcalls
	when accumulator transformation is performed.

	* gcc.dg/pr48837.c: New testcase.

From-SVN: r173534

	* i386.h (ix86_tune_indices): Add X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL.
	(TARGET_SOFTWARE_PREFETCHING_BENEFICIAL): New macor.
	* i386.c (initial_ix86_tune_features): Add X86_SOFTARE_PREFETCHING_BENEFICIAL.
	(software_prefetching_beneficial_p): Remove predicate.
	(ix86_option_override_internal): Use new macro.

From-SVN: r173533

From-SVN: r173532

2011-05-07  François Dumont  <francois.cppdevs@free.fr>

	* include/debug/macro.h (_GLIBCXX_DEBUG_VERIFY_AT): New.
	(_GLICXX_DEBUG_VERIFY): Use latter.
	* include/ext/pb_ds/detail/resize_policy/
	hash_load_check_resize_trigger_imp.hpp: Emit assertion on the line
	containing the original assert call.
	* include/ext/pb_ds/detail/binomial_heap_base_/erase_fn_imps.hpp,
	find_fn_imps.hpp, insert_fn_imps.hpp, binomial_heap_base_.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/cc_hash_table_map_/
	erase_store_hash_fn_imps.hpp, insert_no_store_hash_fn_imps.hpp,
	find_fn_imps.hpp, insert_store_hash_fn_imps.hpp, debug_fn_imps.hpp,
	debug_no_store_hash_fn_imps.hpp, cc_ht_map_.hpp, resize_fn_imps.hpp,
	constructor_destructor_fn_imps.hpp, debug_store_hash_fn_imps.hpp,
	erase_no_store_hash_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/pat_trie_/find_fn_imps.hpp,
	insert_join_fn_imps.hpp, pat_trie_/head.hpp, debug_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, pat_trie_.hpp, split_fn_imps.hpp,
	leaf.hpp, erase_fn_imps.hpp, node_base.hpp, internal_node.hpp:
	Likewise.
	* include/ext/pb_ds/detail/bin_search_tree_/find_fn_imps.hpp,
	r_erase_fn_imps.hpp, constructors_destructor_fn_imps.hpp,
	debug_fn_imps.hpp, rotate_fn_imps.hpp, erase_fn_imps.hpp,
	bin_search_tree_.hpp, insert_fn_imps.hpp, split_join_fn_imps.hpp:
	Likewise.
	* include/ext/pb_ds/detail/gp_hash_table_map_/
	erase_store_hash_fn_imps.hpp, insert_no_store_hash_fn_imps.hpp,
	find_fn_imps.hpp, gp_ht_map_.hpp, insert_store_hash_fn_imps.hpp,
	debug_fn_imps.hpp, erase_fn_imps.hpp, debug_no_store_hash_fn_imps.hpp,
	resize_fn_imps.hpp, constructor_destructor_fn_imps.hpp,
	debug_store_hash_fn_imps.hpp, erase_no_store_hash_fn_imps.hpp:
	Likewise.
	* include/ext/pb_ds/detail/binary_heap_/find_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	erase_fn_imps.hpp, insert_fn_imps.hpp, binary_heap_.hpp,
	resize_policy.hpp, split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/pairing_heap_/erase_fn_imps.hpp,
	find_fn_imps.hpp, insert_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	pairing_heap_.hpp, split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/binomial_heap_/
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	binomial_heap_.hpp: Likewise.
	* include/ext/pb_ds/detail/left_child_next_sibling_heap_/
	erase_fn_imps.hpp, left_child_next_sibling_heap_.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/thin_heap_/erase_fn_imps.hpp,
	find_fn_imps.hpp, thin_heap_.hpp, insert_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/ov_tree_map_/erase_fn_imps.hpp,
	ov_tree_map_.hpp, constructors_destructor_fn_imps.hpp,
	debug_fn_imps.hpp, split_join_fn_imps.hpp, info_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/debug_map_base.hpp: Likewise.
	* include/ext/pb_ds/detail/splay_tree_/erase_fn_imps.hpp,
	find_fn_imps.hpp, insert_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp,
	splay_fn_imps.hpp, split_join_fn_imps.hpp, splay_tree_.hpp: Likewise.
	* include/ext/pb_ds/detail/list_update_map_/erase_fn_imps.hpp,
	find_fn_imps.hpp, lu_map_.hpp, constructor_destructor_fn_imps.hpp,
	insert_fn_imps.hpp, debug_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/rc_binomial_heap_/erase_fn_imps.hpp,
	rc_binomial_heap_.hpp, insert_fn_imps.hpp,
	constructors_destructor_fn_imps.hpp, debug_fn_imps.hpp, rc.hpp,
	split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/detail/rb_tree_map_/erase_fn_imps.hpp,
	insert_fn_imps.hpp, constructors_destructor_fn_imps.hpp,
	debug_fn_imps.hpp, rb_tree_.hpp, split_join_fn_imps.hpp: Likewise.
	* include/ext/pb_ds/hash_policy.hpp: Likewise.

From-SVN: r173529

2011-05-07  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        PR fortran/48919
        * trans.h: Move gfc_init_coarray_decl prototype ...
        * gfortran.h: ... to here.
        * parse.c (translate_all_program_units): Call
        * gfc_init_coarray_decl.
        (gfc_parse_file): Update translate_all_program_units call.
        * trans-decl.c (gfc_init_coarray_decl): Fix variable
        * declaration,
        new argument whether DECL_EXTERNAL should be used.
        (create_main_function): Update gfc_init_coarray_decl call.
        * trans-intrinsic.c (trans_this_image, trans_image_index,
        conv_intrinsic_cobound): Ditto.

From-SVN: r173528

From-SVN: r173525

From-SVN: r173520

	* cgraph.c (cgraph_add_thunk): Create real function node instead
	of alias node; finalize it and mark needed/reachale; arrange visibility
	to be right and add it into the corresponding same comdat group list.
	(dump_cgraph_node): Dump thunks.
	* cgraph.h (cgraph_first_defined_function, cgraph_next_defined_function,
	cgraph_function_with_gimple_body_p, cgraph_first_function_with_gimple_body,
	cgraph_next_function_with_gimple_body): New functions.
	(FOR_EACH_FUNCTION_WITH_GIMPLE_BODY, FOR_EACH_DEFINED_FUNCTION):
	New macros.
	* ipa-cp.c (ipcp_need_redirect_p): Thunks can't be redirected.
	(ipcp_generate_summary): Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY.
	* cgraphunit.c (cgraph_finalize_function): Only look into possible
	devirtualization when optimizing.
	(verify_cgraph_node): Verify thunks.
	(cgraph_analyze_function): Analyze thunks.
	(cgraph_mark_functions_to_output): Output thunks only in combination
	with function they are assigned to.
	(assemble_thunk): Turn thunk into non-thunk; don't try to turn
	alias into normal node.
	(assemble_thunks): New functoin.
	(cgraph_expand_function): Use it.
	* lto-cgraph.c (lto_output_node): Stream thunks.
	(input_overwrite_node): Stream in thunks.
	* ipa-pure-const.c (analyze_function): Thunks do nothing interesting.
	* lto-streamer-out.c (lto_output): Do not try to output thunk's body.
	* ipa-inline.c (inline_small_functions): Use FOR_EACH_DEFINED_FUNCTION.
	* ipa-inline-analysis.c (compute_inline_parameters): "Analyze" thunks.
	(inline_analyze_function): Do not care about thunk jump functions.
	(inline_generate_summary):Use FOR_EACH_DEFINED_FUNCTION.
	* ipa-prop.c (ipa_prop_write_jump_functions): Use cgraph_function_with_gimple_body_p.
	* passes.c (do_per_function_toporder): Use cgraph_function_with_gimple_body_p.
	(execute_one_pass);Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY.
	(ipa_write_summaries): Use cgraph_function_with_gimple_body_p.
	(function_called_by_processed_nodes_p): Likewise.
	* lto.c (lto_materialize_function): Use cgraph_function_with_gimple_body_p.
	(add_cgraph_node_to_partition): Do not re-add items to partition; handle thunks.
	(add_varpool_node_to_partition): Do not re-add items to partition.

From-SVN: r173517

	* decl.c (stabilize_save_expr_r): Set *walk_subtrees as
	appropriate.

From-SVN: r173512

	PR c++/48909
	* semantics.c (cxx_eval_conditional_expression): Check
	integer_zerop/onep instead.

From-SVN: r173511

	PR c++/48911
	* semantics.c (cxx_eval_array_reference): Handle implicit
	initializers.

From-SVN: r173510

	* config/rs6000/rs6000.opt (rs6000_ieeequad, rs6000_altivec_abi,
	rs6000_spe_abi, rs6000_darwin64_abi): Remove TargetVariable
	entries.
	(mabi=): Replace with separate entries for mabi=altivec,
	mabi=no-altivec, mabi=spe, mabi=no-spe, mabi=d64, mabi=d32,
	mabi=ieeelongdouble and mabi=ibmlongdouble.
	* config/rs6000/rs6000.c (rs6000_option_override_internal): Move
	check for -mabi=spe without SPE ABI support here.
	(rs6000_handle_option): Replace OPT_mabi_ handling with
	OPT_mabi_altivec and OPT_mabi_spe handling.

From-SVN: r173509

From-SVN: r173507

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * trans-array.c (gfc_walk_variable_expr): Continue walking
        for scalar coarrays.
        * trans-intrinsic.c (convert_element_to_coarray_ref): New
        * function.
        (trans_this_image, trans_image_index, conv_intrinsic_cobound): Use it.
        (trans_this_image): Fix algorithm.
        * trans-types.c (gfc_get_element_type,
        * gfc_get_array_descriptor_base,
        gfc_sym_type): Handle scalar coarrays.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray/this_image_2.f90: New.

From-SVN: r173506

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * caf/libcaf.h: Cleanup headers.
        (_gfortran_caf_critical, _gfortran_caf_end_critical): Make stub.
        (caf_register_t): New enum.
        (_gfortran_caf_register, _gfortran_caf_deregister): New prototype.
        * caf/single.c (_gfortran_caf_critical,
        _gfortran_caf_end_critical): Remove.
        (_gfortran_caf_register, _gfortran_caf_deregister): New functions.
        * caf/mpi.c (_gfortran_caf_critical,
        _gfortran_caf_end_critical): Remove.
        (_gfortran_caf_register, _gfortran_caf_deregister): New functions.
        (caf_world_window): Remove global variable.
        (_gfortran_caf_init): Fix off-by-one error of this_image.

From-SVN: r173505

2011-05-06  Tobias Burnus  <burnus@net-b.de>
    
        PR fortran/48858
        PR fortran/48820
        * gfortran.dg/bind_c_usage_24.f90: New.
        * gfortran.dg/bind_c_usage_24_c.c: New.

From-SVN: r173503

From-SVN: r173502

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48858
        PR fortran/48820
        * lang.opt (std=f2008tr): New.
        * libgfortran.h (GFC_STD_F2008_TR): New macro constant.
        * decl.c (verify_c_interop_param): Allow OPTIONAL in BIND(C)
        procedures for -std=f2008tr/gnu/legacy.

2011-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48858
        PR fortran/48820
        * gfortran.dg/bind_c_usage_22.f90: New.
        * gfortran.dg/bind_c_usage_23.f90: New.
        * gfortran.dg/bind_c_usage_24.f90: New.
        * gfortran.dg/bind_c_usage_24_c.c: New.

From-SVN: r173500

	* dwarf2out.c (contains_subprogram_definition): New function.
	(should_move_die_to_comdat): Call it.

From-SVN: r173497

introduce {class,type}_of_this_parm functions
	* cp-tree.h (type_of_this_parm, class_of_this_parm): New functions.
	* call.c (standard_conversion): Call class_of_this_parm.
	* cxx-pretty-print.c (pp_cxx_implicit_parameter_type): Likewise.
	(pp_cxx_direct_abstract_declarator): Likewise.
	* decl2.c (change_return_type): Likewise.
	(cp_reconstruct_complex_type): Likewise.
	* error.c (dump_type_suffix, dump_function_decl): Likewise.
	* mangle.c (write_function_type): Likewise.
	* pt.c (unify): Likewise.
	* typeck.c (merge_types, type_memfn_quals): Likewise.
	* decl.c (build_this_parm): Call type_of_this_parm.

From-SVN: r173496

2011-05-06  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/22_locale/messages_byname/named_equivalence.cc: Fix.

From-SVN: r173494

tree-ssa-threadupdate.c (create_block_for_threading): Do not call remove_ctrl_stmt_and_useless_edges.

	* tree-ssa-threadupdate.c (create_block_for_threading): Do not call
	remove_ctrl_stmt_and_useless_edges.
	(create_duplicates): Call remove_ctrl_stmt_and_useless_edges.
	(fixup_template_block, thread_single_edge): Likewise.
	(mark_threaded_blocks): Use THREAD_TARGET.

From-SVN: r173492

	PR target/48900
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
	const0_rtx as the arg to the dummy __tls_get_addr libcall.

From-SVN: r173488

	* config/i386/i386.md (*movdf_internal_nointeger): Apply "*"
	constraint modifier to "r".

From-SVN: r173485

	* config/rs6000/rs6000.c (rs6000_handle_option): Don't handle and
	fall through for OPT_mcmodel_.

From-SVN: r173484

2011-05-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_asm_trampoline_template): Comment
	instruction sizes.
	(s390_trampoline_init): Replace UNITS_PER_WORD with
	UNITS_PER_LONG.

From-SVN: r173483

2011-05-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

      PR target/47930
      * config/arm/arm.opt (marm): Document it.
      (mthumb): Reject negative variant.

From-SVN: r173481

	PR fortran/48894
	* fortran.c: Include limits.h.
	(TO_INT): Define.
	(omp_set_dynamic_8_, omp_set_num_threads_8_): Use !!*set instead of
	*set.
	(omp_set_num_threads_8_, omp_set_schedule_8_,
	omp_set_max_active_levels_8_, omp_get_ancestor_thread_num_8_,
	omp_get_team_size_8_): Use TO_INT macro.
	* testsuite/libgomp.fortran/pr48894.f90: New test.

From-SVN: r173476