* ipa-cp.c (ipcp_iterate_stage): Revert accidental commit.

[thirdparty/gcc.git] / gcc / ChangeLog

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* ipa-cp.c (ipcp_iterate_stage): Revert accidental commit.

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_make_decl_local): Handle DECL_ONE_ONLY
	similarly to DECL_COMDAT.
	* cgraphunit.c (cgraph_analyze_function): Likewise.
	* ipa.c (function_and_variable_visibility): Likewise.

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* lto-streamer-out.c (lto_output_ts_binfo_tree_pointers): Do not output
	BINFO_VIRTUALS when streaming for ltrans unit.

2011-06-13  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.md (movdi_mfpgpr): Remove POWER mnemonic.
	(movdi_internal64): Same.

2011-06-13  Edmar Wienskoski  <edmar@freescale.com>

	* config/rs6000/rs6000.md (save_gpregs_<mode>): Replaced pattern
	with a set of similar patterns, where the MATCH_OPERAND for the
	function argument is replaced with individual references to hardware
	registers.
	(save_fpregs_<mode>): Ditto
	(restore_gpregs_<mode>): Ditto
	(return_and_restore_gpregs_<mode>): Ditto
	(return_and_restore_fpregs_<mode>): Ditto
	(return_and_restore_fpregs_aix_<mode>): Ditto

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* ipa-utils.c (postorder_stack): New structure.
	(ipa_reverse_postorder): Handle aliases.

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (reset_edge_caches): Walk aliases.
	(update_caller_keys): Do not test inlinability of aliases.
	* ipa-inline-analysis.c (do_estimate_edge_time): Look through alias.
	(do_estimate_growth): Fix typo.

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-transform.c (+can_remove_node_now_p_1): Break out from...
	(can_remove_node_now_p): ... here; handle same comdat groups.
	(clone_inlined_nodes): Update use of can_remove_node_now_p add TODO.
	(inline_call): Update use of can_remove_node_now_p.

2011-06-13  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

	* config/h8300/h8300.md (bsetqi_msx, bclrqi_msx, bnotqi_msx): Added
	condition to disallow non-identical memory locations.
	(*andqi3_2, andqi3_1, iorqi3_1, xorqi3_1): Reorder insn to give
	preference to bit manipulation instructions.

2011-06-13  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_for_node_thunks_and_aliases,
	cgraph_for_node_and_aliases): Fix thinko in recursive walking.
	(nonremovable_p): New function.
	(cgraph_can_remove_if_no_direct_calls_p): New function.
	(used_from_object_file_p): New functoin.
	(cgraph_will_be_removed_from_program_if_no_direct_calls): Look for
	references from aliases.
	* cgraph.h (cgraph_can_remove_if_no_direct_calls_p): Bring offline.
	* ipa-inline.c (check_caller_edge): New function.
	(want_inline_function_called_once_p): Use it; accept aliases called
	once, too.
	* ipa-inline-analysis.c (do_estimate_growth): Remove FIXME.

2011-06-13  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/48454
	* config/arm/neon.md (vec_pack_trunc): Set the lengths
	correctly for the case with Quad vectors.

2011-06-13 Jakub Jelinek  <jakub@redhat.com>
	   Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/49352
	* tree-vect-loop.c (vect_is_slp_reduction): Don't count debug uses at
	all, make sure loop_use_stmt after the loop is a def stmt of a used
	SSA_NAME that is the only one defined inside of the loop.  Don't
	check for COND_EXPR and GIMPLE_BINARY_RHS.
	(vect_is_simple_reduction_1): Call vect_is_slp_reduction only if
	check_reduction is true.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	PR middle-end/49373
	* ipa.c (cgraph_externally_visible_p): Check resolution info.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	PR middle-end/48836
	* ipa-inline-transform.c: Include tree-pass.h
	(inline_transform): Set TODO_update_ssa_only_virtuals.
	* Makefile.in (ipa-inline-transform.o): Add tree-pass.h.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	PR middle-end/49378
	* ipa.c (cgraph_non_local_node_p_1, cgraph_local_node_p): Rule out
	aliases and thunks.

2011-06-12  Ira Rosen  <ira.rosen@linaro.org>

	* tree-vect-data-refs.c (vect_peeling_hash_get_most_frequent):
	Take number of iterations to peel into account for equally frequent
	misalignment values.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	* lto-streamer-out.c (produce_symtab): Stream out the newly represented
	aliases.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	* ipa-prop.c (ipa_make_edge_direct_to_target): Fix code setting varying
	args.
	(ipa_update_after_lto_read): Likewise.
	(ipa_write_node_info): Do not sream call_with_var_arguments.
	(ipa_read_node_info): Likewise.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	* ipa.c (cgraph_comdat_can_be_unshared_p): Fix pasto.

2011-06-11  Jan Hubicka  <jh@suse.cz>

	* lto-symtab.c (lto_cgraph_replace_node): Kill same body alias code.
	(lto_symtab_resolve_can_prevail_p): Likewise.
	(lto_symtab_merge_cgraph_nodes): Update merging of aliases.
	* cgraph.c (same_body_aliases_done): New global var.
	(cgraph_same_body_alias_1): Rename to ...
	(cgraph_create_function_alias): ... this one; reorg to new
	representation.
	(cgraph_same_body_alias): Use cgraph_create_function_alias;
	record references when asked to.
	(cgraph_add_thunk): Fix formating.
	(cgraph_get_node): Kill same body alias code.
	(cgraph_node_for_asm): Likewise.
	(cgraph_remove_same_body_alias): Remove.
	(cgraph_remove_node): Kill same body alias code.
	(cgraph_mark_address_taken_node): Mark also the aliased function
	as having address taken.
	(dump_cgraph_node): Dump same body aliases.
	(cgraph_for_node_thunks_and_aliases): Update for new alias
	representation.
	(cgraph_for_node_and_aliases): Likewise.
	* cgraph.h (same_body): Kll pointer.
	(same_body_alias): Update comment.
	(same_body_aliases_done): Declare.
	(cgraph_remove_same_body_alias): Remove declaration.
	(cgraph_create_function_alias): Declare.
	(cgraph_process_same_body_aliases): Declare.
	(cgraph_function_with_gimple_body_p): Check for alias.
	(cgraph_can_remove_if_no_direct_calls_p): Look for aliases.
	(cgraph_alias_aliased_node): New function.
	(cgraph_function_node): Update for new aliases.
	(cgraph_function_or_thunk_node): Likewise.
	* ipa-inline-transform.c (can_remove_node_now_p): Look for aliases.
	(inline_call): Remove dead aliases.
	* cgraphunit.c (cgraph_decide_is_function_needed): Disable assembler
	name hack for same body aliases.
	(clone_of_p): Look through aliases.
	(verify_cgraph_node): Verify aliases.
	(cgraph_analyze_function): Analyze aliases; fixup C++ bugs.
	(cgraph_process_same_body_aliases): New function.
	(process_function_and_variable_attributes): Disable weakref warning on
	alias.
	(cgraph_analyze_functions): Handle aliases.
	(cgraph_mark_functions_to_output): Handle aliases same way as thunks.
	(assemble_thunks): Rename to ...
	(assemble_thunks_and_aliases): ... this one; handle aliases, too.
	(cgraph_expand_function): Remove alias output code.
	(cgraph_output_in_order): Skip aliases.
	(cgraph_preserve_function_body_p): Aliases don't need preserving.
	* ipa-ref.c (ipa_ref_use_name): Add alias reference.
	(ipa_record_reference): Do not assert on alias references.
	(ipa_ref_has_aliases_p): New function.
	* ipa-ref.h (enum ipa_ref_use): Add IPA_REF_ALIAS.
	(ipa_ref_has_aliases_p): Declare.
	* lto-cgraph.c (lto_output_node): Handle aliases.
	(input_node): Likewise.
	* lto-streamer-out.c (lto_output): Skip aliases.
	(produce_symtab): Kill same_body_alias code.
	* ipa-utils.c (ipa_reverse_postorder): Add FIXME.
	(ipa_reverse_postorder): Use cgraph_only_called_directly_or_aliased_p.
	* ipa-inline.c (update_caller_keys): Walk aliases.
	(inline_small_functions): Fix thinko in previous patch.
	* ipa.c (cgraph_externally_visible_p): Do not walk aliases.
	(function_and_variable_visibility): Do not walk same body aliases.
	* tree-ssa-structalias.c (associate_varinfo_to_alias): New function.
	(ipa_pta_execute): Use it.

2011-06-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_dupv4sf): Correct mode of forced register.
	(*vec_dupv2df): Rename from vec_dupv2df.
	(vec_dupv2df): New expander.

2011-06-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (AVX_VEC_DUP_MODE): Rename from AVX256MODE24P.

2011-06-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md: Use default value in "isa" attribute.
	* config/i386/sse.md: Ditto.
	* config/i386/mmx.md: Ditto.

2011-06-10  Wei Guozhi  <carrot@google.com>

	PR target/45335
	* config/arm/ldmstm.md (ldm2_ia, stm2_ia, ldm2_ib, stm2_ib, ldm2_da,
	stm2_da, ldm2_db, stm2_db): Add condition !arm_arch7 to these insns.
	(ldrd, ldrd_reg1, ldrd_reg2 and peephole2): New insn patterns and
	related peephole2.
	(strd, strd_reg1, strd_reg2 and peephole2): New insn patterns and
	related peephole2.
	* config/arm/arm-protos.h (arm_check_ldrd_operands): New prototype.
	(arm_legitimate_ldrd_p): New prototype.
	(arm_output_ldrd): New prototype.
	* config/arm/arm.c (arm_check_ldrd_operands): New function.
	(arm_legitimate_ldrd_p): New function.
	(arm_output_ldrd): New function.

2011-06-10  David Li  <davidxl@google.com>

	* cgraphunit.c (cgraph_finalize_compilation_unit): Pass dump.
	* passes.c (passr_eq): New function.
	(create_pass_tab): New function.
	(pass_traverse): New function.
	(dump_one_pass): New function.
	(dump_pass_list): New function.
	(dump_passes): New function.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_set_nothrow_flag_1): Update cgraph after
	setting the nothrow flag.
	* ipa-reference.c (propagate): Skip aliases.
	* ipa-pure-const.c (propagate_pure_const): Skip aliases.
	(propagate_nothrow): Skip aliases; do not update cgraph.
	(local_pure_const): Do not update cgraph.
	* tree-profile.c (tree_profiling): Do fixup_cfg.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa.c (cgraph_non_local_node_p_1): Break out from ...;
	(cgraph_local_node_p): ... here; handle aliases.
	(has_addr_references_p): Break out from ...;
	(cgraph_remove_unreachable_nodes) ... here.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* opts.c (default_options): Enlist OPT_finline_functions_called_once.
	* common.opt (flag_inline_functions_called_once): Do not
	initialize to 1.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa-cp.c (ipcp_versionable_function_p): Thunks are not versionable.
	(ipcp_initialize_node_lattices): Do not deal with aliases;
	Do not try to propagate through thunks.
	(ipcp_change_tops_to_bottom): Do not deal with aliases.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa-prop.c (ipa_write_node_info): Stream jump functions
	for indirect calls.
	(ipa_read_node_info): Likewise.

2011-06-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR lto/49302
	* tree-ssa-math-opts.c (powi_as_mults): Minor cleanup.
	(build_and_insert_call): Likewise.
	(build_and_insert_ref): New.
	(gimple_expand_builtin_pow): Minor cleanup.
	(gimple_expand_builtin_cabs): New.
	(execute_cse_sincos): Add case for BUILT_IN_CABS.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa-cp.c (ipcp_versionable_function_p): Aliases are not versionable.
	(ipcp_cloning_candidate_p): Aliases are not clonning candidates.
	(ipcp_initialize_node_lattices): We don't propagate through an aliases.
	(ipcp_propagate_stage): Skip aliases when propagating.
	(ipcp_need_redirect_p): Skip aliases.
	(ipcp_insert_stage): Use FOR_EACH_FUNCTION_WITH_GIMPLE_BODY and
	collect_callers_of_node.
	* ipa-prop.c (ipa_init_func_list): Do not analyze datastructures
	for aliases.
	(ipa_compute_jump_functions): Look through aliases.

2011-06-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords, pie): Document it.

2011-06-10  Hans-Peter Nilsson  <hp@axis.com>

	* ira-costs.c: Remove #ifdefs on dead FORBIDDEN_INC_DEC_CLASSES.
	Adjust comments.
	* system.h (FORBIDDEN_INC_DEC_CLASSES): Poison.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa-cp.c (ipcp_process_devirtualization_opportunities):
	Update call of gimple_get_virt_method_for_binfo.
	* gimple-fold.c (gimple_get_virt_method_for_binfo): Remove
	refuse_thunks parameter.
	(gimple_fold_call): Update.
	* ipa-prop.c (try_make_edge_direct_virtual_call): Update.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* tree-sra.c (all_callers_have_enough_arguments_p): Rename to ...
	(not_all_callers_have_enough_arguments_p): ... this one; turn into
	worker for cgraph_for_node_and_aliases.
	(convert_callers_for_node): Break out from ...
	(convert_callers): ... here.
	(modify_function): Use collect_callers_of_node.
	(ipa_early_sra): Use cgraph_for_node_and_aliases.

2011-06-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49361
	* fold-const.c (fold_binary_loc): Only fold x * x to pow (x, 2.0)
	when not already in gimple form.

2011-06-10  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/49344
	* tree-ssa-math-opts.c (convert_mult_to_fma): Use
	FOR_EACH_PHI_OR_STMT_USE.

2011-06-10  Jan Hubicka  <jh@suse.cz>

	* ipa-inline-transform.c (can_remove_node_now_p): Move out of...
	(clone_inlined_nodes): ... here.
	(inline_call): Use cgraph_function_or_thunk_node; redirect edge
	to real destination prior inlining.
	* ipa-inline.c (caller_growth_limits, can_inline_edge_p,
	can_early_inline_edge_p, want_early_inline_function_p,
	want_early_inline_function_p, want_inline_small_function_p,
	want_inline_self_recursive_call_p, want_inline_function_called_once_p,
	edge_badness, update_all_callee_keys, lookup_recursive_calls,
	add_new_edges_to_heap, inline_small_functions, flatten_function,
	inline_always_inline_functions, early_inline_small_functions): Use
	cgraph_function_or_thunk_node.
	* ipa-inline-analysis.c (evaluate_conditions_for_edge,
	dump_inline_edge_summary, estimate_function_body_sizes): Likewise.
	(do_estimate_edge_growth_1): Break out from ...
	(do_estimate_growth) ... here; walk aliases.
	(inline_generate_summary): Skip aliases.

2011-06-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Scan stmts
	forward when combining, visit inserted stmts when a stmt was changed.

2011-06-10  Paolo Carlini  <paolo.carlini@oracle.com>

	* tree.h (error_operand_p): Add.
	* dbxout.c (dbxout_type_fields): Use the latter.
	* c-decl.c (add_stmt): Likewise.
	* gimplify.c (omp_add_variable, omp_notice_variable,
	gimplify_scan_omp_clauses): Likewise.

2011-06-10  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.c (avr_function_arg_advance): Fix thinko about
	when a value is actually passed in regs.

2011-06-10  Eric Botcazou  <ebotcazou@adacore.com>