2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/37488
	* ira-lives.c (bb_has_abnormal_call_pred): New function.
	(process_bb_node_lives): Use it.

	* ira.c (setup_cover_and_important_classes): Don't setup
	ira_important_class_nums.  Add cover classes to the end of
	important classes.
	(cover_class_order, comp_reg_classes_func,
	reorder_important_classes): New.
	(find_reg_class_closure): Use reorder_important_classes.

	* config/i386/i386.h (IRA_COVER_CLASSES): Remove.

	* config/i386/i386.c (i386_ira_cover_classes): New function.
	(TARGET_IRA_COVER_CLASSES): Redefine.

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
	importance of order of cover classes in the array.

From-SVN: r149962

2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/40587
	* ira.c (build_insn_chain): Use DF_LR_OUT instead of
	df_get_live_out.
	* testsuite/gfortran.dg/pr40587.f: New test.

From-SVN: r149212

	* target.h (struct gcc_target): Add frame_pointer_required field.
	* target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
	(TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
	* ira.c (setup_eliminable_regset): Use frame_pointer_required target
	hook.
	* reload1.c (update_eliminables): (Ditto.).
	* gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
	* doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
	(INITIAL_FRAME_POINTER_OFFSET): (Ditto.).

	* config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(arm_frame_pointer_required): New function.

	* config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(avr_frame_pointer_required_p): Declare as static.
	* config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.

	* config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(bfin_frame_pointer_required): Make as static, change return type
	to bool.
	* config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.

	* config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(cris_frame_pointer_required): New function.
	
	* config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(fr30_frame_pointer_required): New function.
	
	* config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(frv_frame_pointer_required): Make as static, change return type
	to bool.
	* config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.

	* config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(ix86_frame_pointer_required): Make as static, change return type to
	bool.
	* config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.

	* config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

	* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
	
	* config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(mips_frame_pointer_required): Make as static.
	* config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
	
	* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(mmix_frame_pointer_required): Mew function.

	* config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

	* config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/sh/sh.h (CAN_ELIMINATE): Remove macro.

	* config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
	(CAN_ELIMINATE): Redefine.
	* config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(sparc_frame_pointer_required): New function.
	(sparc_can_eliminate): New function.
	* config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.

	* config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.

	* config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(xtensa_frame_pointer_required): Make as static, change return type
	to bool.
	* config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
	Remove.

From-SVN: r149065

From-SVN: r147020

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

	* ira.c (setup_cover_and_important_classes): Add enum cast.

From-SVN: r146753

2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>

	* genpreds.c (write_enum_constraint_num): Output definition of
	CONSTRAINT_NUM_DEFINED_P macro.
	* ira.c (setup_cover_and_important_classes): Use
	CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.

From-SVN: r146748

gcc/:
	* combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
	(record_dead_and_set_regs): Likewise.
	* df.h (struct df_mw_hardreg): Change flags field to int.
	(struct df_base_ref): Likewise.
	(struct df): Change changeable_flags field to int.
	* df-scan.c (df_defs_record): Change clobber_flags to int.
	* dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
	constants rather than #define macros.
	(enum dwarf_attribute, enum dwarf_location_atom): Likewise.
	(enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
	(enum dwarf_calling_convention): Likewise.
	(enum dwarf_line_number_x_ops): Likewise.
	(enum dwarf_call_frame_info): Likewise.
	(enum dwarf_source_language): Likewise.
	* dwarf2out.c (int_loc_descriptor): Add cast to enum type.
	(add_calling_convention_attribute): Likewise.
	* fold-const.c (fold_undefer_overflow_warnings): Add cast to enum
	type.
	(combine_comparisons): Change compcode to int.  Add cast to enum
	type.
	* genrecog.c (maybe_both_true_2): Change c to int.
	(write_switch): Likewise.  Add cast to enum type.
	* gimplify.c (gimplify_omp_for): Handle return values from
	gimplify_expr using MIN rather than bitwise or.
	(gimplify_expr): Add cast to enum type.
	* ipa-prop.c (update_jump_functions_after_inlining): Change
	IPA_BOTTOM to IPA_JF_UNKNOWN.
	* ira.c (setup_class_subset_and_memory_move_costs): Change mode to
	int.  Add casts to enum type.
	(setup_cover_and_important_classes): Change cl to int.  Add casts
	to enum type.
	(setup_class_translate): Change cl and mode to int.
	(ira_init_once): Change mode to int.
	(free_register_move_costs): Likewise.
	(setup_prohibited_mode_move_regs): Add casts to enum type.
	* langhooks.c (add_builtin_function_common): Rework assertion that
	value fits bitfield.
	* mcf.c (add_fixup_edge): Change type parameter to edge_type.
	* omega.c (omega_do_elimination): Avoid math on enum types.
	* optabs.c (expand_vec_shift_expr): Remove casts to int.
	* opts.c (set_debug_level): Change 2 to enum constant.  Use new
	int local to handle integral_argment value.
	* regmove.c (try_auto_increment): Change PUT_MODE to
	PUT_REG_NOTE_KIND.
	* reload.c (push_secondary_reload): Add casts to enum type.
	(secondary_reload_class, find_valid_class): Likewise.
	* reload1.c (emit_input_reload_insns): Likewise.
	* rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
	* sel-sched.c (init_hard_regs_data): Change cur_mode to int.
	* sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
	constant.
	* tree.c (build_common_builtin_nodes): Add casts to enum type.
	* tree-complex.c (complex_lattice_t): Typedef to int rather than
	enum type.
	(expand_complex_libcall): Add casts to enum type.
	* tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
	* tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
	with ERROR_MARK, not NUM_TREE_CODES.
	(vect_create_epilog_for_reduction): Likewise.
	(vectorizable_reduction): Don't initialize epiloc_reduc_code.
	When not using it, set it to ERROR_MARK rather than
	NUM_TREE_CODES.
	* tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
	enum machine_mode.
	* tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
	vect_unused_in_loop.  Change 0 to loop_vect.
	* tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum
	type.
	* var-tracking.c (get_init_value): Change return type to enum
	var_init_status.
	* vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
	* config/arm/arm.c (fp_model_for_fpu): Change to array to enum
	arm_fp_model.
	(arm_override_options): Add casts to enum type.
	(arm_emit_tls_decoration): Likewise.
	* config/i386/i386.c (ix86_function_specific_restore): Add casts
	to enum type.
	* config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
	* config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
	* config/rs6000/rs6000.c (rs6000_override_options): Add casts to
	enum type.
	* config/s390/s390.c (code_for_builtin_64): Change to array of
	enum insn_code.
	(code_for_builtin_31): Likewise.
	(s390_expand_builtin): Change code_for_builtin to enum insn_code
	const *.
	* config/sparc/sparc.c (sparc_override_options): Change value
	field in struct code_model to enum cmodel.  In initializer change
	0 to NULL and add cast to enum type.

	* c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
	Change all callers.  Issue a -Wc++-compat warning using
	lhs_origtype if necessary.
	(convert_for_assignment): Issue -Wc++-compat warnings about
	invalid conversions to enum type on assignment.
	* c-common.h (build_modify_expr): Update declaration.

gcc/cp/:
	* call.c (build_temp): Change 0 to enum constant.
	* cp-tree.h (cp_lvalue_kind): Typedef to int rather than enum
	type.
	* cp-gimplify.c (cp_gimplify_expr): Add cast to enum type.
	* decl2.c (constrain_visibility): Likewise.
	* parser.c (cp_lexer_get_preprocessor_token): Likewise.
	(cp_parser_flags): Typedef to int rather than enum type.
	(cp_parser_expression_stack_entry): Change prec field to enum
	cp_parser_prec.

	* typeck.c (build_modify_expr): Add lhs_origtype parameter.
	Change all callers.

gcc/fortran/:
	* gfortran.h (enum gfc_symbol_type): New named enum type, broken
	out of struct gfc_symbol.
	(struct gfc_symbol): Use enum gfc_symbol_type.
	(enum gfc_array_ref_dimen_type): New named enum type, broken out
	of struct gfc_array_ref).
	(struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
	(mod_pointee_as): Update declaration.
	* decl.c (add_global_entry): Change type to enum gfc_symbol_type.
	(gfc_mod_pointee_as): Change return type to "match".
	* module.c (mio_array_ref): Add cast to enum type.
	(mio_symbol): Likewise.
	* resolve.c (resolve_global_procedure): Change type to enum
	gfc_symbol_type.
	* trans-io.c (gfc_build_st_parameter): Change type to unsigned
	int.

gcc/java/:
	* jcf-parse.c (handle_constant): Add cast to enum type.

gcc/objc/:
	* objc-act.c (get_super_receiver): Update calls to
	build_modify_expr to pass new argument.

gcc/testsuite/:
	* gcc.dg/Wcxx-compat-4.c: New testcase.

From-SVN: r146735

gcc/:
	Fix enum conversions which are invalid in C++:
	* auto-inc-dec.c (attempt_change): Change 0 to SET in function
	call.
	* calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function
	call.
	* cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
	* dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
	* dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function
	call.
	(dbxout_parms): Likewise.
	* df-core.c (df_set_flags): Change changeable_flags parameter to
	int.
	(df_clear_flags): Likewise.
	* df-problems.c (df_rd_bb_local_compute_process_def): Change
	top_flag parameter to int.
	(df_chain_create_bb_process_use): Likewise.
	(df_chain_add_problem): Change chain_flags parameter to unsigned
	int.  Remove cast.
	* df-scan.c (df_ref_create): Change ref_flags parameter to int.
	(df_ref_create_structure, df_def_record_1): Likewise.
	(df_defs_record, df_uses_record, df_get_call_refs): Likewise.
	(df_notes_rescan): Change 0 to VOIDmode in function call.
	(df_get_call_refs, df_insn_refs_collect): Likewise.
	(df_bb_regs_collect): Likewise.
	(df_entry_block_defs_collect): Likewise.
	(df_exit_block_uses_collect): Likewise.
	* df.h: Update declarations.
	* double-int.c (double_int_divmod): Add cast to enum type.
	* dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
	* dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
	(based_loc_descr): Likewise.
	(loc_descriptor_from_tree_1): Change first_op and second_op to
	enum dwarf_location_atom.  Add cast to enum type.
	* expmed.c (init_expmed): Change 0 to SET in function call.
	* expr.c (init_expr_target): Change 0 to VOIDmode in function
	call.
	(expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
	(do_store_flag): Likewise.
	* fixed-value.h (struct fixed_value): Change mode to enum
	machine_mode.
	* function.c (assign_parms): Change 0 to VOIDmode in function
	call.
	* genautomata.c (insert_automaton_decl): Change 1 to INSERT in
	function call.
	(insert_insn_decl, insert_decl, insert_state): Likewise.
	(automata_list_finish): Likewise.
	* genrecog.c (process_define_predicate): Add cast to enum type.
	* gensupport.c (init_predicate_table): Add cast to enum type.
	* gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
	function call.
	(gimple_build_call_1, gimple_build_label): Likewise.
	(gimple_build_goto, gimple_build_asm_1): Likewise.
	(gimple_build_switch_1, gimple_build_cdt): Likewise.
	* gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function
	call.
	(enum fallback): Rename from enum fallback_t.
	(fallback_t): Typedef as int.
	* gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
	GSI_SAME_STMT in function call.
	* ira.c (setup_class_subset_and_memory_move_costs): Add casts to
	enum type.
	(setup_reg_class_relations): Likewise.
	(setup_reg_class_nregs): Change cl to int.  Add casts to enum
	type.
	(setup_prohibited_class_mode_regs): Add cast to enum type.
	(setup_prohibited_mode_move_regs): Likewise.
	* ira-costs.c (record_reg_classes): Change rclass to enum
	reg_class.
	(record_address_regs): Change i to enum reg_class.
	* lists.c (alloc_EXPR_LIST): Add cast to enum type.
	* machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
	(GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
	(GET_MODE_2XWIDER_MODE): Likewise.
	(GET_CLASS_NARROWEST_MODE): Likewise.
	* omp-low.c (expand_omp_for): Add cast to enum type.
	* optabs.c (debug_optab_libfuncs): Add casts to enum type.
	* opts.c (enable_warning_as_error): Change kind to diagostic_t.
	* postreload.c (reload_cse_simplify_operands): Change rclass local
	to enum reg_class.
	* predict.c (combine_predictions_for_insn): Change best_predictor
	and predictor to enum br_predictor.
	(combine_predictions_for_bb): Likewise.
	(build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
	use SET_PREDICT_EXPR_OUTCOME.
	* real.c (real_arithmetic): Change icode to code in function
	call.
	* reginfo.c (init_move_cost): Add casts to enum type.
	(init_reg_sets_1, init_fake_stack_mems): Likewise.
	* regmove.c (regclass_compatible_p): Change class0 and class1 to
	enum reg_class.
	* reload.c (find_valid_class): Add casts to enum type.
	(push_reload): Change 0 to NO_REGS in function call.
	(find_reloads): Change this_alternative to array of enum
	reg_class.  Remove some now-unnecessary casts.
	(make_memloc): Change 0 to VOIDmode in function call.
	* reload1.c (reload): Change 0 to VOIDmode in function call.
	(eliminate_regs_1, elimination_effects): Likewise.
	(eliminate_regs_in_insn): Likewise.
	(emit_input_reload_insns): Add cast to enum type.
	(delete_output_reload): Change 0 to VOIDmode in function call.
	* reorg.c (insn_sets_resource_p): Convert include_delayed_effects
	to enum type in function call.
	* tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
	(SET_PREDICT_EXPR_OUTCOME): Define.
	* tree-dump.c (get_dump_file_info): Change phase parameter to
	int.
	(get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
	(dump_initialized_p, dump_flag_name, dump_end): Likewise.
	(dump_function): Likewise.
	* tree-dump.h: Update declarations.
	* tree-pass.h: Update declarations.
	* varasm.c (assemble_integer): Change mclass to enum mode_class.
	* config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
	enum type.
	(arm_rtx_costs_1): Correct parenthesization.
	(arm_rtx_costs): Add casts to enum type.
	(adjacent_mem_locations): Reverse arguments to const_ok_for_op.
	(vfp_emit_fstmd): Use add_rg_note.
	(emit_multi_reg_push, emit_sfm): Likewise.
	(thumb_set_frame_pointer): Likewise.
	(arm_expand_prologue): Likewise.
	(arm_regno_class): Change return type to enum reg_class.
	(thumb1_expand_prologue): Use add_reg_note.
	* config/arm/arm-protos.h (arm_regno_class): Update declaration.
	* config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
	in function call.
	* config/arm/gentune.sh: Add cast to enum type.
	* config/arm/arm-tune.md: Rebuild.
	* config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
	(ix86_split_fp_branch, predict_jump): Likewise.
	(ix86_expand_multi_arg_builtin): Change sub_code from enum
	insn_code to enum rtx_code.
	(ix86_builtin_vectorized_function): Add cast to enum type.
	* config/i386/i386.md (truncdfsf2): Change slot to enum
	ix86_stack_slot.
	(truncxf<mode>2, isinf<mode>2): Likewise.
	* config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
	enum type.
	* config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
	(spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
	(insert_bundle_state): Change 1 to INSERT in function call.
	(ia64_add_bundle_selector_before): Likewise.
	* config/ia64/ia64.md (cpu attr): Add cast to enum type.
	(save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
	(restore_stack_nonlocal): Likewise.
	* config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
	function call.
	* config/mips/mips.c (mips_binary_cost): Change 0 to SET in
	function call.
	(mips_rtx_costs): Likewise.
	(mips_override_options): Add casts to enum type.
	* config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
	in function call.
	* config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
	(store_reg, set_reg_plus_d): Likewise.
	(hppa_expand_prologue, hppa_profile_hook): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
	cast to enum type.
	(altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
	function call.
	(emit_unlikely_jump): Use add_reg_note.
	(rs6000_emit_allocate_stack): Likewise.
	(rs6000_frame_related, rs6000_emit_prologue): Likewise.
	(output_toc): Change 1 to INSERT in function call.
	(output_profile_hook): Change 0 to LCT_NORMAL in function call.
	(rs6000_initialize_trampoline): Likewise.
	(rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
	function call.
	* config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
	(s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
	(s390_expand_setmem, s390_expand_cmpmem): Likewise.
	(save_gprs): Use add_reg_note.
	(s390_emit_prologue): Likewise.
	(s390_expand_builtin): Change 0 to EXPAND_NORMAL in function
	call.
	* config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
	(sparc_fold_builtin): Add cast to enum type.
	* config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
	enum insn_code.
	(spu_expand_prologue): Use add_reg_note.
	(expand_builtin_args): Change 0 to EXPAND_NORMAL in function
	call.

	* c-parser.c (c_parser_attributes): Change VEC back to tree list.
	(c_parser_postfix_expression_after_primary): Get VEC for list of
	arguments.  Get original types of arguments.  Call
	build_function_call_vec.
	(cached_expr_list_1, cached_expr_list_2): New static variables.
	(c_parser_expr_list): Change return type to VEC *.  Add
	p_orig_types parameter.  Change all callers.
	(c_parser_release_expr): New static function.
	(c_parser_vec_to_tree_list): New static function.
	* c-typeck.c (build_function_call): Rewrite to build a VEC and
	call build_function_call_vec.
	(build_function_call_vec): New function, based on old
	build_function_call.
	(convert_arguments): Remove nargs and argarray parameters.  Change
	values to a VEC.  Add origtypes parameter.
	(build_modify_expr): Add rhs_origtype parameter.  Change all
	callers.
	(convert_for_assignment): Add origtype parameter.  Change all
	callers.  If warn_cxx_compat, check for conversion to an enum
	type when calling a function.
	(store_init_value): Add origtype parameter.  Change all callers.
	(digest_init): Likewise.
	(struct init_node): Add origtype field.
	(add_pending_init): Add origtype parameter.  Change all callers.
	(output_init_element): Likewise.
	(output_pending_init_elements): Pass origtype from init_node to
	output_init_element.
	(process_init_elemnt): Pass origtype from c_expr to
	output_init_element.
	(c_finish_return): Add origtype parameter.  Change all callers.
	* c-common.c (sync_resolve_size): Change params to VEC *.  Change
	caller.
	(sync_resolve_params): Likewise.
	(sync_resolve_return): Change params to first_param.  Change
	caller.
	(resolve_overloaded_builtins): Change params to VEC *.  Change
	callers.   Save first parameter around call to
	build_function_call_vec.
	* c-decl.c (finish_decl): Add origtype parameter.  Change all
	callers.  Call build_function_call_vec rather than
	build_function_call for cleanup.
	* c-tree.h: Update declarations.
	* c-common.h: Update declarations.
	* stub-objc.c (objc_rewrite_function_call): Change parameter from
	params to first_param.
	* target.h (struct gcc_target): Change resolve_overloaded_builtin
	params parameter from tree to void *.
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Change arglist parameter to have type void *, and to be a pointer
	to a VEC.
	* config/rs6000/rs6000-protos.h
	(altivec_resolve_overloaded_builtin): Update declaration.
	* config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
	fnargs parameter to have type void *, and to be a pointer to a
	VEC.  Call build_function_call_vec instead of
	build_function_call.
	* config/spu/spu-protos.h (spu_expand_builtin): Update
	declaration.

gcc/cp/:
	* typeck.c (build_function_call_vec): New function.
	(cp_build_function_call): Only pass first parameter to
	objc_rewrite_function_call.
	(build_modify_expr): Add rhs_origtype parameter.  Change all
	callers.
	* decl.c (finish_decl): Add origtype parameter.  Change all
	callers.
	* semantics.c (finish_call_expr): Pass VEC to
	resolve_overloaded_builtin.

gcc/objc:
	* objc-act.c (objc_rewrite_function_call): Change parameter from
	params to first_param.  Change all callers.

gcc/testsuite:
	* gcc.dg/Wcxx-compat-3.c: New testcase.

From-SVN: r146451

	* df.h: Include "timevar.h".
	(struct df_problem): Change tv_id field to timevar_id_t.
	* tree-pass.h: Include "timevar.h".
	(struct opt_pass): Change tv_id field to timevar_id_t.
	* timevar.h (timevar_id_t): Define TV_NONE.
	* passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
	TV_NONE rather than tv_id != 0.
	(execute_one_pass): Likewise.
	* Makefile.in (DF_H): Add $(TIMEVAR_H).
	(TREE_PASS_H): Define.  Change all instances of tree-pass.h in
	dependencies to $(TREE_PASS_H).
	* bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
	to TV_NONE.
	(pass_branch_target_load_optimize2): Likewise.
	* cfglayout.c (pass_into_cfg_layout_mode): Likewise.
	(pass_outof_cfg_layout_mode): Likewise.
	* cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
	(pass_rebuild_cgraph_edges): Likewise.
	(pass_remove_cgraph_callee_edges): Likewise.
	* df-core.c (pass_df_initialize_opt): Likewise.
	(pass_df_initialize_no_opt): Likewise.
	(pass_df_finish): Likewise.
	* emit-rtl.c (pass_unshare_all_rtl): Likewise.
	* except.c (pass_set_nothrow_function_flags): Likewise.
	(pass_convert_to_eh_region_ranges): Likewise.
	* final.c (pass_compute_alignments): Likewise.
	* function.c (pass_instantiate_virtual_regs): Likewise.
	(pass_init_function): Likewise.
	(pass_leaf_regs): Likewise.
	(pass_match_asm_constraints): Likewise.
	* gimple-low.c (pass_lower_cf): Likewise.
	(pass_mark_used_blocks): Likewise.
	* init-regs.c (pass_initialize_regs): Likewise.
	* integrate.c (pass_initial_value_sets): Likewise.
	* ira.c (pass_ira): Likewise.
	* jump.c (pass_cleanup_barriers): Likewise.
	* omp-low.c (pass_expand_omp): Likewise.
	(pass_lower_omp): Likewise.
	* matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
	* recog.c (pass_split_all_insns): Likewise.
	(pass_split_after_reload): Likewise.
	(pass_split_before_regstack): Likewise.
	(pass_split_before_sched2): Likewise.
	(pass_split_for_shorten_branches): Likewise.
	* reginfo.c (pass_reginfo_init): Likewise.
	(pass_subregs_of_mode_init): Likewise.
	(pass_subregs_of_mode_finish): Likewise.
	* passes.c (pass_postreload): Likewise.
	* stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
	* tree-cfg.c (pass_remove_useless_stmts): Likewise.
	(pass_warn_function_return): Likewise.
	(pass_warn_function_noreturn): Likewise.
	* tree-complex.c (pass_lower_complex): Likewise.
	(pass_lower_complex_O0): Likewise.
	* tree-if-conv.c (pass_if_conversion): Likewise.
	* tree-into-ssa.c (pass_build_ssa): Likewise.
	* tree-mudflap.c (pass_mudflap_1): Likewise.
	(pass_mudflap_2): Likewise.
	* tree-nomudflap.c (pass_mudflap_1): Likewise.
	(pass_mudflap_2): Likewise.
	* tree-nrv.c (pass_return_slot): Likewise.
	* tree-object-size.c (pass_object_sizes): Likewise.
	* tree-optimize.c (pass_all_optimizations): Likewise.
	(pass_early_local_passes): Likewise.
	(pass_all_early_optimizations): Likewise.
	(pass_cleanup_cfg): Likewise.
	(pass_cleanup_cfg_post_optimizing): Likewise.
	(pass_free_datastructures): Likewise.
	(pass_free_cfg_annotations): Likewise.
	(pass_fixup_cfg): Likewise.
	(pass_init_datastructures): Likewise.
	* tree-ssa.c (pass_early_warn_uninitialized): Likewise.
	(pass_late_warn_uninitialized): Likewise.
	(pass_update_address_taken): Likewise.
	* tree-ssa-ccp.c (pass_fold_builtins): Likewise.
	* tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
	(pass_cse_sincos): Likewise.
	(pass_convert_to_rsqrt): Likewise.
	* tree-ssa-structalias.c (pass_build_alias): Likewise.
	* tree-stdarg.c (pass_stdarg): Likewise.
	* tree-tailcall.c (pass_tail_recursion): Likewise.
	(pass_tail_calls): Likewise.
	* tree-vect-generic.c (pass_lower_vector): Likewise.
	(pass_lower_vector_ssa): Likewise.
	* tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.

From-SVN: r146222

	* dse.c (struct group_info): Reorder fields for 64-bit hosts.
	* matrix-reorg.c (struct matrix_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
	* rtl.h (struct mem_attrs): Likewise.
	* df.h (struct df): Likewise.
	* tree-data-ref.h (struct data_dependence_relation): Likewise.
	* ira-int.h (struct ira_allocno): Likewise.
	* df-scan.c (struct df_collection_rec): Likewise.
	* ira.c (struct equivalence): Likewise.
	* function.c (struct temp_slot): Likewise.
	* cfgloop.h (struct loop): Likewise.

	* parser.c (struct cp_token): Reorder fields for 64-bit hosts.
	(eof_token): Adjust.

	* include/cpplib.h (struct cpp_dir): Reorder fields for 64-bit hosts.

From-SVN: r144938

From-SVN: r144324

2008-01-29  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
	* doc/passes.texi: Remove entries about regclass, local-alloc, and
	global.  Modify entries about regmove and IRA.

	* ra-conflict.c: Remove the file.

	* reload.c (push_reload, find_dummy_reload): Remove flag_ira.

	* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
	(pass_regclass_init): Rename to pass_reginfo_init.

	* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

	* toplev.h (flag_ira): Remove.

	* caller-save.c (setup_save_areas): Remove flag_ira.

	* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot):
	Ditto.

	* global.c: Remove the file.

	* opts.c: (decode_options): Remove flag_ira.

	* hard-reg-set.h (losing_caller_save_reg_set): Remove.

	* regmove.c: Modify file description.
	(find_use_as_address, try_auto_increment): Define them only if
	AUTO_INC_DEC is defined.
	(replacement_quality, replace_in_call_usage, fixup_match_1,
	stable_and_no_regs_but_for_p): Remove.
	(reg_set_in_bb): Make it static.
	(regmove_optimize): Remove flag_ira and code which worked for
	!flag_ira.

	* local-alloc.c: Remove the file.

	* common.opt (fira): Remove.

	* ira.c: Include except.h.
	(eliminable_regset): Move from global.c.
	(mark_elimination): Ditto.  Remove flag_ira.
	(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
	equiv_mem_modified, validate_equiv_mem_from_store,
	validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
	contains_replace_regs, memref_referenced_p, memref_used_between_p,
	no_equiv, recorded_label_ref): Move from local-alloc.c.
	(update_equiv_regs): Ditto.  Make it static.
	(print_insn_chain, print_insn_chains): Move it from global.c.
	pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
	(build_insn_chain): Ditto.  Make it static.
	(ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
	Rename to init_live_subregs.
	(gate_ira): Remove flag_ira.

	* regclass.c: Rename reginfo.c.  Change file description.
	(FORBIDDEN_INC_DEC_CLASSES): Remove.
	(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec):
	Remove.
	(init_reg_sets_1): Remove code for evaluation of
	reg_class_superclasses and losing_caller_save_reg_set.
	(init_regs): Remove init_reg_autoinc.
	(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
	ok_for_base_p_nonstrict): Remove.
	(regclass_init): Rename to reginfo_init.  Don't initialize
	init_cost.
	(pass_regclass_init): Rename to pass_reginfo_init.  Modify
	corresponding entries.
	(dump_regclass, record_operand_costs, scan_one_insn,
	init_reg_autoinc, regclass, record_reg_classes, copy_cost,
	record_address_regs, auto_inc_dec_reg_p): Remove.
	(gt-regclass.h): Rename to gt-reginfo.h.

	* rtl.h (dump_global_regs, retry_global_alloc,
	build_insn_chain, dump_local_alloc, update_equiv_regs):
	Remove.

	* Makefile.in (RA_H): Remove.
	(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
	Rename regclass.o to reginfo.o.
	(regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
	gt-reginfo.h.
	(global.o, local-alloc.o, ra-conflict.o): Remove entries.
	(GTFILES): Rename regclass.c to	reginfo.c.

	* passes.c (init_optimization_passes): Remove pass_local_alloc and
	pass_global_alloc.  Rename pass_regclass_init to
	pass_reginfo_init.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
	Remove flag_ira.
	(finish_spills): Ditto.  Remove code for !flga_ira.

From-SVN: r143757

re PR rtl-optimization/38426 (Incorrect code produced with -momit-leaf-frame-pointer -fno-unit-at-a-time)

gcc/
	PR rtl-optimization/38426.
	* ira.c (ira): Set current_function_is_leaf earlier.

From-SVN: r143135

re PR rtl-optimization/38583 (huge test case makes register allocator run out of memory while constructing the conflict graph)

2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/38583
	* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

	* params.def (ira-max-conflict-table-size): New.

	* doc/invoke.texi (ira-max-conflict-table-size): Decribe.
	
	* ira.h (ira_conflicts_p): New external definition.
	
	* ira-conflicts.c (build_conflict_bit_table): Do not build too big
	table.  Report this.  Return result of building.
	(ira_build_conflicts): Use ira_conflicts_p.  Check result of
	building conflict table.

	* ira-color.c (fast_allocation): Use num instead of
	ira_allocnos_num.
	(ira_color): Use ira_conflicts_p.
	
	* global.c: Include ira.h.
	(pseudo_for_reload_consideration_p, build_insn_chain): Use
	ira_conflicts_p.

	* Makefile.in (global.o): Add ira.h.
	
	* ira-build.c (mark_all_loops_for_removal,
	propagate_some_info_from_allocno): New.
	(remove_unnecessary_allocnos): Call
	propagate_some_info_from_allocno.
	(remove_low_level_allocnos): New.
	(remove_unnecessary_regions): Add parameter.  Call
	mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
	parameter to remove_unnecessary_regions.
	(ira_build): Remove all regions but root if the conflict table was
	not built.  Update conflict hard regs for allocnos crossing calls.

	* ira.c (ira_conflicts_p): New global.
	(ira): Define and use ira_conflicts_p.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, finish_spills,
	emit_input_reload_insns, delete_output_reload): Use
	ira_conflicts_p.

From-SVN: r143112

2008-12-09  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.

	* doc/invoke.texi (-fira-region): Describe new option.
	(-fira-algorithm): Change the values.

	* ira-conflicts.c (build_conflict_bit_table,
	build_allocno_conflicts): Use ira_reg_classes_intersect_p.
	(ira_build_conflicts): Use flag flag_ira_region instead of
	flag_ira_algorithm.  Prohibit usage of callee-saved likely spilled
	base registers for allocnos crossing calls.

	* flags.h (enum ira_algorithm): Redefine.
	(enum ira_region): New.
	(flag_ira_region): New.

	* cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
	instead of flag_ira_algorithm.

	* toplev.c (flag_ira_algorithm): Change the initial value.
	(flag_ira_region): New.

	* ira-int.h (ira_reg_classes_intersect_p,
	ira_reg_class_super_classes): New.

	* ira-color.c (update_copy_costs): Use
	ira_reg_classes_intersect_p.  Use right class to find hard reg
	index.
	(update_conflict_hard_regno_costs): Ditto.  Add a new parameter.
	(assign_hard_reg): Ditto.  Pass additional argument to
	update_conflict_hard_regno_costs.  Do not uncoalesce for priority
	coloring.
	(allocno_priorities, setup_allocno_priorities,
	allocno_priority_compare_func): Move before color_allocnos.
	(color_allocnos): Add priority coloring.  Use flag flag_ira_region
	instead of flag_ira_algorithm.
	(move_spill_restore): Check classes of the same reg allocno from
	different regions.
	(update_curr_costs): Use ira_reg_classes_intersect_p.
	(ira_reassign_conflict_allocnos): Ditto.

	* opts.c (decode_options): Always set up flag_ira.  Set up
	flag_ira_algorithm.  Warn CB can not be used for architecture.
	(common_handle_option): Modify code for -fira-algorithm.  Add code
	to process -fira-region.

	* ira-lives.c (update_allocno_pressure_excess_length): Process
	superclasses too.
	(set_allocno_live, clear_allocno_live, mark_reg_live,
	mark_reg_dead, process_bb_node_lives): Ditto.

	* ira-emit.c (ira_emit): Fix insn codes.
	
	* ira-build.c (propagate_allocno_info): Use flag flag_ira_region
	instead of flag_ira_algorithm.
	(allocno_range_compare_func): Ignore classes for priority
	coloring.
	(setup_min_max_conflict_allocno_ids): Ditto.
	(ira_flattening): Use ira_reg_classes_intersect_p.

	* genpreds.c (write_enum_constraint_num): Output
	CONSTRAINT__LIMIT.
	
	* common.opt (fira-algorithm): Modify.
	(fira-region): New.

	* ira.c (setup_class_hard_regs): Initialize.
	(setup_cover_and_important_classes): Modify code setting class
	related info for priority coloring.
	(setup_class_translate): Ditto.
	(ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
	(setup_reg_class_intersect_union): Rename to
	setup_reg_class_relations.  Add code for setting up new variables.
	(find_reg_class_closure): Do not check targetm.ira_cover_classes.
	(ira): Use flag flag_ira_region instead of flag_ira_algorithm.

	* ira-costs.c (common_classes): New.
	(print_costs): Use flag flag_ira_region instead of
	flag_ira_algorithm.
	(find_allocno_class_costs): Ditto.  Use common_classes.  Translate
	alt_class.
	(ira_costs): Allocate/deallocate common_classes.
	
	* config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
	(REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
	R02A_REGS.

	* reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
	smallest_mode_for_size.

From-SVN: r142610

2008-11-25  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/invoke.texi (ira-max-loops-num): Change semantics.

	* ira-int.h (struct ira_loop_tree_node): New member to_remove_p.

	* ira-color.c (allocno_spill_priority): New function.
	(remove_allocno_from_bucket_and_push, push_allocno_to_spill):
	Print more info about the spilled allocno.
	(push_allocnos_to_stack): Use allocno_spill_priority.  Add more
	checks on bad spill.

	* ira-build.c (loop_node_to_be_removed_p): Remove.
	(loop_compare_func, mark_loops_for_removal): New functions.
	(remove_uneccesary_loop_nodes_from_loop_t): Use member
	to_remove_p.
	(remove_unnecessary_allocnos): Call mark_loops_for_removal.

	* ira.c (ira): Don't change flag_ira_algorithm.

	* params.def (ira-max-loops-num): Change the value.

From-SVN: r142207

2008-11-15  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/37790
	* ira-int.h (ira_copy_allocno_live_range_list,
	ira_merge_allocno_live_ranges,
	ira_allocno_live_ranges_intersect_p,
	ira_finish_allocno_live_range_list): New prototypes.
	(ira_allocno_live_ranges_intersect_p,
	ira_pseudo_live_ranges_intersect_p): Remove.
	
	* ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
	ira_pseudo_live_ranges_intersect_p): Rename to
	allocnos_have_intersected_live_ranges_p and
	pseudos_have_intersected_live_ranges_p.  Move them from here to
	...

	* ira-color.c: ... here
	(coalesced_allocno_conflict_p): Use
	allocnos_have_intersected_live_ranges_p.
	(coalesced_allocnos_living_at_program_points,
	coalesced_allocnos_live_at_points_p,
	set_coalesced_allocnos_live_points): Remove.
	(slot_coalesced_allocnos_live_ranges,
	slot_coalesced_allocno_live_ranges_intersect_p,
	setup_slot_coalesced_allocno_live_ranges): New.
	(coalesce_spill_slots): Use ranges of coalesced allocnos.
	(ira_sort_regnos_for_alter_reg): Use
	allocnos_have_intersected_live_ranges_p.
	(ira_reuse_stack_slot): Use
	pseudos_have_intersected_live_ranges_p.

	* global.c (pseudo_for_reload_consideration_p): Check
	flag_ira_share_spill_slots too.

	* ira-build.c (copy_allocno_live_range_list): Rename to
	ira_copy_allocno_live_range_list.  Make it external.
	(merge_ranges): Rename to ira_merge_allocno_live_ranges.  Make it
	external.
	(ira_allocno_live_ranges_intersect_p): New.
	(ira_finish_allocno_live_range_list): New.
	(finish_allocno): Use it.
	(remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
	(copy_info_to_removed_store_destinations): Ditto.  Use
	ira_copy_allocno_live_range_list.
	(ira_flattening): Use ira_merge_allocno_live_ranges.
	
	* ira.c (too_high_register_pressure_p): New function.
	(ira): Switch off sharing spill slots if the pressure is too high.

From-SVN: r142017

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (ira_allocno): Add member updated_cover_class_cost.
	(ALLOCNO_UPDATED_COVER_CLASS_COST): New.
	(ira_fast_allocation): Remove the prototype.
	
	* ira-color.c (update_copy_costs, allocno_cost_compare_func,
	assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
	(color_pass): Modify the updated costs.
	(ira_color): Rename to color.  Make it static.
	(ira_fast_allocation): Rename to fast_allocation.  Make it static.
	(ira_color): New function.
	
	* ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
	change.

	* ira-lives.c (last_call_num, allocno_saved_at_call): New
	variables.
	(set_allocno_live, clear_allocno_live, mark_ref_live,
	mark_ref_dead): Invalidate corresponding element of
	allocno_saved_at_call.
	(process_bb_node_lives): Increment last_call_num.  Setup
	allocno_saved_at_call.  Don't increase ALLOCNO_CALL_FREQ if the
	allocno was already saved.
	(ira_create_allocno_live_ranges): Initiate last_call_num and
	allocno_saved_at_call.

	* ira-build.c (ira_create_allocno): Initiate
	ALLOCNO_UPDATED_COVER_CLASS_COST.
	(create_cap_allocno, propagate_allocno_info,
	remove_unnecessary_allocnos): Remove setting updated costs.
	(ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.

	* ira.c (ira):  Don't call ira_fast_allocation.

	* ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
	updated costs.

From-SVN: r141385

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/37813
	* ira-conflicts.c (process_regs_for_copy): Remove class subset
	check.

	* ira-int.h (ira_hard_regno_cover_class): New.

	* ira-lives.c (mark_reg_live, mark_reg_dead,
	process_bb_node_lives): Use ira_hard_regno_cover_class.

	* ira.c (reg_class ira_hard_regno_cover_class): New global
	variable.
	(setup_hard_regno_cover_class): New function.
	(ira_init): Call setup_hard_regno_cover_class.

	* ira-costs.c (cost_class_nums): Add comment.
	(find_allocno_class_costs): Initiate cost_class_nums.
	(setup_allocno_cover_class_and_costs): Check cost_class_nums.

From-SVN: r141384

2008-10-11  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/37448
	* df.h: (df_ref_class): New enum.
	(DF_REF_TYPE_NAMES, df_ref_extract): Removed.
	(struct df_ref): Replaced with union df_ref_d.
	(df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
	New members of df_ref_d union.
	(DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
	DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
	DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
	DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
	DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
	DF_REF_EXTRACT_MODE): Replaced definition to access union
	df_ref_d.
       	(DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
	(df_scan_bb_info, df_bb_regno_first_def_find,
	df_bb_regno_last_def_find, df_find_def, df_find_use,
	df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
	debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
	df_ref_create, df_ref_remove, df_compute_accessed_bytes,
	df_get_artificial_defs, df_get_artificial_uses, union_defs)
	Replaced struct df_ref * with df_ref.
	* df-scan.c (df_collection_rec, df_null_ref_rec,
	df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
	df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
	df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
	df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
	df_reorganize_refs_by_reg_by_reg,
	df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
	df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
	df_sort_and_compress_refs, df_install_ref, df_install_refs,
	df_ref_record, df_get_conditional_uses, df_get_call_refs,
	df_bb_refs_record, df_exit_block_uses_collect,
	df_record_exit_block_uses, df_reg_chain_mark,
	df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
	df_ref * with df_ref.
	(df_ref_record, df_uses_record, df_ref_create_structure): Added
	df_ref_class parameter.
	(df_scan_problem_data): Added new pools for different types of
	refs.
	(df_scan_free_internal, df_scan_alloc, df_free_ref,
	df_ref_create_structure): Processed new ref pools.
	(df_scan_start_dump): Added counts of refs and insns.
	(df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
	df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
	df_entry_block_defs_collect, df_exit_block_uses_collect): Added
	code to pass df_ref_class down to ref creation functions.
	(df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
	df_reg_chain_mark): Use macros to hide references to df_refs.
	(df_ref_chain_change_bb): Removed.
	(df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
	(df_ref_equal_p, df_ref_compare, df_ref_create_structure):
	Enhanced to understand df_ref union structure.
	* fwprop.c (local_ref_killed_between_p, use_killed_between,
	all_uses_available_at, update_df, try_fwprop_subst,
	forward_propagate_subreg, forward_propagate_and_simplify,
	forward_propagate_into, fwprop, fwprop_addr): Replaced struct
	df_ref * with df_ref.
	(use_killed_between, all_uses_available_at): Use macros to hide
	references to df_refs.
	* regstat.c (regstat_bb_compute_ri,
	regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
	df_ref.
	* see.c (see_handle_relevant_defs, see_handle_relevant_uses,
	see_handle_relevant_refs, see_analyze_one_def,
	see_update_relevancy, see_propagate_extensions_to_uses): Replaced
	struct df_ref * with df_ref.
	* ra-conflict.c (record_one_conflict, clear_reg_in_live,
	global_conflicts): Replaced struct df_ref * with df_ref.
	* ddg.c (create_ddg_dep_from_intra_loop_link,
	add_cross_iteration_register_deps, build_inter_loop_deps):
	Replaced struct df_ref * with df_ref.
	(create_ddg_dep_from_intra_loop_link,
	add_cross_iteration_register_deps): Use macros to hide references
	to df_refs.
	* auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
	df_ref * with df_ref.
	* df-core.c (df_bb_regno_first_def_find,
	df_bb_regno_last_def_find, df_find_def, df_find_use,
	df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
	debug_df_ref): Replaced struct df_ref * with df_ref.
	(df_mws_dump, df_ref_debug): Use macros to hide references to
	df_refs.
	* cse.c (cse_extended_basic_block): Replaced struct df_ref * with
	df_ref.
	* web.c (union_defs, entry_register, replace_ref, web_main):
	Replaced struct df_ref * with df_ref.
	(union_defs, replace_ref): Use macros to hide references to
	df_refs.
	* global.c (compute_regs_asm_clobbered, build_insn_chain):
	Replaced struct df_ref * with df_ref.
	* ifcvt.c (dead_or_predicable): Replaced struct df_ref * with
	df_ref.
	* sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
	Replaced struct df_ref * with df_ref.
	* ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
	mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
	with df_ref.
	* local-alloc.c (block_alloc): Replaced struct df_ref * with
	df_ref.
	* df-byte-scan.c (df_compute_accessed_bytes_extract,
	df_compute_accessed_bytes_strict_low_part,
	df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
	Replaced struct df_ref * with df_ref.
	(df_compute_accessed_bytes): Use macros to hide references to
	df_refs.
	* init-regs.c (initialize_uninitialized_regs): Replaced struct
	df_ref * with df_ref.
	* loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
	check_dependency, check_dependencies, record_uses): Replaced
	struct df_ref * with df_ref.
	(invariant_for_use, check_dependency): Use macros to hide
	references to df_refs.
	* loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
	get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
	iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
	(iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
	references to df_refs.
	* ira.c (compute_regs_asm_clobbered): Replaced struct df_ref * with df_ref.
	* combine.c (create_log_links): Replaced struct df_ref * with df_ref.
	* df-problems.c (df_rd_bb_local_compute_process_def,
	df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
	df_chain_unlink_1, df_chain_unlink, df_chain_copy,
	df_chain_remove_problem, df_chain_create_bb_process_use,
	df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
	df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
	df_byte_lr_simulate_defs, df_byte_lr_simulate_uses,
	df_byte_lr_simulate_artificial_refs_at_top,
	df_byte_lr_simulate_artificial_refs_at_end, df_create_unused_note,
	df_note_bb_compute, df_note_add_problem, df_simulate_defs,
	df_simulate_uses, df_simulate_artificial_refs_at_end,
	df_simulate_artificial_refs_at_top): Replaced struct df_ref * with df_ref.
	(df_chain_dump): Use macros to hide
	references to df_refs.
	* config/mips/mips.c (r10k_simplify_address): Replaced struct
	df_ref * with df_ref.
	* dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
	mark_artificial_uses, mark_reg_dependencies,
	byte_dce_process_block): Replaced struct df_ref * with df_ref.

From-SVN: r141067

gcc/
	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Define.
	(IRA_COVER_CLASSES): Refer to TARGET_IRA_COVER_CLASSES.
	* target.h (gcc_target): Add ira_cover_classes.
	* ira.c: Remove IRA_COVER_CLASSES guards.
	(setup_cover_and_important_classes): Use targetm.ira_cover_classes
	instead of IRA_COVER_CLASSES.
	(setup_cover_and_important_classes): Remove IRA_COVER_CLASSES guard.
	(setup_class_translate): Likewise.
	(setup_reg_class_intersect_union): Likewise.
	(find_reg_class_closure): Replace IRA_COVER_CLASSES guard with a
	test of targetm.ira_cover_classes.
	* opts.c (decode_options): Use targetm.ira_cover_classes instead
	of IRA_COVER_CLASSES.
	* target-def.h (TARGET_IRA_COVER_CLASSES): Define.
	(TARGET_INITIALIZER): Include it.
	* targhooks.h (default_ira_cover_classes): Declare.
	* targhooks.c (default_ira_cover_classes): New function.

From-SVN: r140512

gcc/
	* ira-int.h (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
	* ira-color.c (setup_allocno_left_conflicts_num): Use
	hard_reg_set_equal_p instead of a comparison with
	ira_zero_hard_reg_set.
	* ira.c (setup_reg_subclasses): Likewise.
	(setup_cover_and_important_classes): Likewise.
	(setup_class_translate): Likewise.
	(setup_reg_class_intersect_union): Likewise.
	(ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
	(ira_init_once): Don't initialize them.

From-SVN: r140054

2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-opt/37296

	* ira-int.h (ira_sort_insn_chain): Remove.

	* ira.c (basic_block_order_nums, chain_insn_order,
	chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove.
	(ira): Don't call ira_sort_insn_chain.

	* reload1.c (reload): Don't call ira_sort_insn_chain.

From-SVN: r139948

	* ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS is
	defined.

From-SVN: r139869

2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
	ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.

	* doc/passes.texi: Describe IRA.

	* doc/tm.texi (IRA_COVER_CLASSES,
	IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.

	* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
	(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
	-fira-propagate-cost, -fno-ira-share-save-slots,
	-fno-ira-share-spill-slots, -fira-verbose): Describe new options.

	* flags.h (ira_algorithm): New enumeration.
	(flag_ira_algorithm, flag_ira_verbose): New external variable
	declarations.

	* postreload.c (gate_handle_postreload): Don't do post reload
	optimizations unless the reload is completed.

	* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
	IRA.

	* tree-pass.h (pass_ira): New external variable declaration.

	* reload.h: Add 2008 to the Copyright.
    
	* cfgloopanal.c: Include params.h.
	(estimate_reg_pressure_cost): Decrease cost for IRA optimization
	mode.
    
	* params.h (IRA_MAX_LOOPS_NUM): New macro.

	* toplev.c (ira.h): New include.
	(flag_ira_algorithm, flag_ira_verbose): New external variables.
	(backend_init_target): Call ira_init.
	(backend_init): Call ira_init_once.
	(finalize): Call finish_ira_once.

	* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
	flag_ira_share_save_slots, flag_ira_share_spill_slots): New
	external variables.

	* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
	may_move_out_cost): New external variable declarations.
	(move_table): New typedef.
    
	* caller-save.c: Include headers output.h and ira.h.
	(no_caller_save_reg_set): New global variable.
	(save_slots_num, save_slots): New variables.
	(reg_save_code, reg_restore_code, add_stored_regs): Add
	prototypes.
	(init_caller_save): Set up no_caller_save_reg_set.
	(init_save_areas): Reset save_slots_num.
	(saved_hard_reg): New structure.
	(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
	(initiate_saved_hard_regs, new_saved_hard_reg,
	finish_saved_hard_regs, saved_hard_reg_compare_func): New
	functions.
	(setup_save_areas): Add code for sharing stack slots.
	(all_blocks): New variable.
	(save_call_clobbered_regs): Process pseudo-register too.
	(mark_set_regs): Process pseudo-register too.
	(insert_one_insn): Put the insn after bb note in a empty basic
	block.  Add insn check.
    
	* global.c (eliminable_regset): Make it external.
	(mark_elimination): Use DF_LR_IN for IRA.
	(pseudo_for_reload_consideration_p): New.
	(build_insn_chain): Make it external.  Don't ignore spilled
	pseudos for IRA.  Use pseudo_for_reload_consideration_p.
	(gate_handle_global_alloc): New function.
	(pass_global_alloc): Add the gate function.

	* opts.c (decode_options): Set up flag_ira.  Print the warning for
	-fira.
	(common_handle_option): Process -fira-algorithm and -fira-verbose.

	* timevar.def (TV_IRA, TV_RELOAD): New passes.

	* regmove.c (regmove_optimize): Don't do replacement of output for
	IRA.

	* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
	New external variable declarations.

	* local-alloc.c (update_equiv_regs): Make it external.  Return
	true if jump label rebuilding should be done.  Rescan new_insn for
	notes.
	(gate_handle_local_alloc): New function.
	(pass_local_alloc): Add the gate function.

	* alias.c (value_addr_p, stack_addr_p): New functions.
	(nonoverlapping_memrefs_p): Use them for IRA.

	* common.opt (fira, fira-algorithm, fira-coalesce,
	fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
	fira-verbose): New options.

	* regclass.c (reg_class_subclasses, contains_reg_of_mode,
	move_cost, may_move_in_cost, may_move_out_cost): Make the
	variables external.
	(move_table): Remove typedef.
	(init_move_cost): Make it external.
	(allocate_reg_info, resize_reg_info, setup_reg_classes): New
	functions.

	* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
	setup_reg_classes): New function prototypes.
	(eliminable_regset): New external variable declaration.
	(build_insn_chain, update_equiv_regs): New function prototypes.
    
	* Makefile.in (IRA_INT_H): New definition.
	(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
	ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
	(reload1.o, toplev.o): Add dependence on ira.h.
	(cfgloopanal.o): Add PARAMS_H.
	(caller-save.o): Add dependence on output.h and ira.h.
	(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
	ira-emit.o, ira-lives.o): New entries.

	* passes.c (pass_ira): New pass.

	* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.

	* reload1.c (ira.h): Include the header.
	(changed_allocation_pseudos): New bitmap.
	(init_reload): Initiate the bitmap.
	(compute_use_by_pseudos): Permits spilled registers in FROM.
	(temp_pseudo_reg_arr): New variable.
	(reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
	IRA.  Call alter_reg with the additional parameter.  Don't clear
	spilled_pseudos for IRA.  Restore original insn chain for IRA.
	Clear changed_allocation_pseudos at the end of reload.
	(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
	(hard_regno_to_pseudo_regno): New variable.
	(count_pseudo): Check spilled pseudos.  Set up
	hard_regno_to_pseudo_regno.
	(count_spilled_pseudo): Check spilled pseudos. Update
	hard_regno_to_pseudo_regno.
	(find_reg): Use better_spill_reload_regno_p.  Check
	hard_regno_to_pseudo_regno.
	(alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
	code for IRA.
	(eliminate_regs_1): Use additional parameter for alter_reg.
	(finish_spills): Set up pseudo_previous_regs only for spilled
	pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
	more arguments.  Don't clear live_throughout and dead_or_set for
	spilled pseudos.  Use additional parameter for alter_reg.  Call
	mark_allocation_change.  Set up changed_allocation_pseudos.
	Remove sanity check.
	(emit_input_reload_insns, delete_output_reload): Use additional
	parameter for alter_reg.  Call mark_allocation_change.
	(substitute, gen_reload_chain_without_interm_reg_p): New
	functions.
	(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
    
	* testsuite/gcc.dg/20080410-1.c: New file.
	
	* config/s390/s390.h (IRA_COVER_CLASSES,
	IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.

	* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.

	* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.

	* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.

	* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.

	* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
    
	* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
    
	2008-08-24  Jeff Law  <law@redhat.com>
	* ira.c (setup_reg_class_intersect_union): Prefer smallest class
	when ignoring unavailable registers.

	2008-08-24  Jeff Law  <law@redhat.com>
	* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
	FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
	* ira.c (setup_eliminable_regset): Check stack_realign_needed.
	* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.

	2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
	* ira-build.c (allocno_range_compare_func): Stabilize sort.

	2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
	* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
	* reload1.c (find_reg): Process registers in register allocation order.

	2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
	* toplev.c (backend_init_target): Move ira_init call from
	here...
	(lang_dependent_init_target): ...to here.

	2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
	* ira.c (setup_class_subset_and_memory_move_costs): Don't
	calculate memory move costs for NO_REGS.

	2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
	* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
	STACK_REGS is defined.

	2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
	* config/spu/spu.h (IRA_COVER_CLASSES): New macro.

	2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
	* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.

	2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
	* config/sh/sh.h (IRA_COVER_CLASSES): Define.
	* config/sh/sh.md (movsicc_true+3): Check if emit returns a
	barrier.

From-SVN: r139590