* mkconfig.sh: Include insn-flags.h.
	* Makefile.in (CONFIG_H): Include insn-flags.h.
	(lots of objects): Remove insn-codes.h and insn-flags.h.

	* alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
	integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
	regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
	avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
	dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
	i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
	m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
	mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
	pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
	v850/v850.c, vax/vax.c:
	Don't include insn-flags.h.

	* diagnostic.c, expr.h, reload.c, toplev.c:
	Don't include insn-codes.h.

	* builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
	final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
	c4x/c4x.c, i960/i960.c, mips/mips.c:
	Don't include insn-codes.h or insn-flags.h.

	* genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
	or insn-flags.h in the generated code.
	* genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
	(main): Forward declare struct rtx_def.

From-SVN: r40754

	* flow.c (insn_dead_p): Don't consider two memrefs equivalent
	unless anti_dependence says they are.
	* alias.c (objects_must_conflict): If neither has a type specified,
	they must conflict.

From-SVN: r40420

	* flow.c (find_sub_basic_blocks): New function.
	(split_block): Be ready for basic block introduced by CODE_LABEL.
	(commit_one_edge_insertion): Call find_sub_basic_block.

	* flow.c (make_edges): Add edge from entry for blocks starting with
	label having ALTERNATE_NAME

From-SVN: r40021

flow.c (init_propagate_block_info): Canon address and use single_set for killing dead memory stores.

	* flow.c (init_propagate_block_info): Canon address and use single_set
	for killing dead memory stores.

From-SVN: r39949

From-SVN: r39947

* flow.c (mark_set_1): Make not_dead unsigned long.  For
non-pseudos, use it as a bitmask of the hard regs that
don't die.

From-SVN: r39943

	* flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
	Call fancy_abort directly, passing args.
	(print_rtl_and_abort): Now a macro, like fancy_abort.

From-SVN: r39852

From-SVN: r39739

	* cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
	conditionals.
	* defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
	* emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
	* flow.c (mark_regs_live_at_end): Likewise.
	(calculate_global_regs_live): Likewise.
	* gcse.c (compute_hash_table): Likewise.
	(compute_kill_rd): Likewise.
	* resource.c (mark_target_live_regs): Likewise.
	* rtl.h (INVALID_REGNUM): New macro.

From-SVN: r39643

	* diagnostic.h (set_internal_error_function): Renamed.
	* toplev.h (internal_error): Renamed from fatal.
	(pfatal_with_name): Deleted.
	(fatal_io_error): Now has printf-style arguments.
	* diagnostic.c (pfatal_with_name): Deleted.
	(fatal_io_error): Rework to have args in printf-style.
	(set_internal_error_function): Renamed from set_fatal_function.
	(internal_error): Renamed from fatal.
	(error_recursion, fancy_abort): Call internal_error instead of fatal.
	* dwarf2out.c (get_cfa_from_loc_descr): Likewise.
	* emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
	* expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
	* flow.c (verify_flow_info): Likewise.
	* config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
	* config/mips/mips.c (save_restore_insns): Likewise.
	* cp/init.c (build_java_class_ref): Likewise.
	(dsp16xx_reg_class_from_letter): Likewise.
	(limit_reload_class, double_reg_to_memory): Likewise.
	(print_operand_address, emit_1600_code_shift): Likewise.
	(gen_tst_reg, gen_compare_reg): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
	* cp/decl.c (pushdecl): Likewise.
	* java/check-init.c (check_init): Likewise.
	* java/expr.c (java_lang_expand_expr): Likewise.
	* java/jcf-parse.c (get_constant): Likewise.
	* java/mangle.c (java_mangle_decl): Likewise.
	* java/parse.y (make_nested_class_name, java_complete_lhs): Likewise.
	(operator_string): Likewise.

	* except.c (duplicate_eh_handlers): Call abort instead of fatal.
	* flow.c (verify_flow_info): Likewise.
	* ch/convert.c (convert): Likewise.
	* ch/except.c (pop_handler, chill_check_no_handlers): Likewise.
	* ch/expr.c (chill_expand_expr): Likewise.
	* ch/parse.c (peek_token_, pushback_token, require): Likewise.
	* config/arm/arm.c (thumb_load_double_from_address): Likewise.
	* config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
	(avr_normalize_condition): Likewise.
	* config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
	* config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
	(limit_reload_class, double_reg_to_memory): Likewise.
	(print_operand_address, emit_1600_code_shift): Likewise.
	(gen_tst_reg, gen_compare_reg): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
	* cp/decl.c (pushdecl): Likewise.
	* java/check-init.c (check_init): Likewise.
	* java/class.c (build_class_ref): Likewise.
	* java/constants.c (write_constant_pool): Likewise.
	* java/decl.c (start_java_method): Likewise.
	* java/expr.c (push_type, java_stack_pop, java_stack_swap): Likewise.
	(java_stack_dup, encode_newarray_type): Likewise.
	(build_java_array_length_access): Likewise.
	(build_java_check_indexed_type, expand_java_pushc): Likewise.
	(build_java_soft_divmod, build_invokeinterface): Likewise.
	* java/java-tree.h (INNER_CLASS_P): Likewise.
	* java/jcf-parse.c (parse_signature, get_name_constant): Likewise.
	(give_name_to_class, get_class_constant): Likewise.
	* java/jcf-write.c (CHECK_PUT, CHECK_OP, get_access_flags): Likewise.
	(find_constant_index, generate_bytecode_conditional): Likewise.
	(generate_bytecode_insns, perform_relocations): Likewise.
	* java/lex.c (java_unget_unicode, java_lex): Likewise.
	* java/mangle.c (mangle_type, mangle_record_type): Likewise.
	(mangle_pointer_type, mangle_array_type, init_mangling): Likewise.
	(finish_mangling): Likewise.
	* java/parse.h (MARK_FINAL_PARMS): Likewise.
	* java/parse.y (pop_current_osb, unreachable_stmt_error): Likewise.
	(obtain_incomplete_type, java_complete_class): Likewise.
	(java_check_regular_methods, java_complete_expand_method): Likewise.
	(cut_identifier_in_qualified, check_deprecation): Likewise.
	(patch_invoke, find_applicable_accessible_methods_list): Likewise.
	(java_complete_lhs, lookup_name_in_blocks): Likewise.
	(check_final_variable_indirect_assignment, build_unaryop): Likewise.
	* java/typeck.c (set_local_type, parse_signature_type): Likewise.
	(parse_signature_string, build_java_signature): Likewise;
	(set_java_signature): Likewise.
	* java/verify.c (type_stack_dup, CHECK_PC_IN_RANGE): Likewise.

	* c-parse.in (methoddef): Call fatal_error instead of fatal.
	* objc/objc-act.c (build_ivar_chain): Likewise.
	* cp/except.c (decl_is_java_type): Likewise.
	* cp/init.c (build_java_class_ref): Likewise.
	* cp/init.c (build_new_1): Likewise.
	* f/com.c (ffecom_init_0): Likewise.
	* java/class.c (add_method, build_static_field_ref): Likewise.
	* java/expr.c (build_known_method_ref, expand_invoke): Likewise.
	* java/jcf-parse.c (get_constant, jcf_parse): Likewise.
	* java/lex.c (java_new_new_lexer): Likewise.
	* java/jv-scan.c (main): Likewise.
	(fatal_error): Renamed from fatal.

	* dwarfout.c (dwarfout_init): Call fatal_io_error instead of
	pfatal_with_name.
	* graph.c (clean_graph_dump_file): Likewise.
	* profile.c (init_branch_prob): Likewise.
	* ch/grant.c (write_grant_file): Likewise.
	* ch/lex.c (init_parse, same_file, yywrap): Likewise.
	* f/com.c (init_parse): Likewise.
	* java/jcf-parse.c (yyparse): Likewise.
	* objc/objc-act.c (objc_init): Likewise.

	* java/jcf-parse.c (jcf_parse_source): Call fatal_io_error, not fatal.
	(yyparse): Likewise.
	* java/jcf-write.c (make_class_file_name, write_classfile): Likewise.
	* java/lex.c (java_get_line_col): Likewise.

	* hash.c (hash_allocate): Don't check for failure returns from
	obstack functions that can't fail.
	(hash_table_init_n, hash_table_init): Likewise; also now return void.
	* hash.h (hash_table_init_n, hash_table_init): Now return void.
	* cp/decl.c (build_typename_type): hash_table_init now returns void.

	* ch/lang.c (GNU_xref_begin, GNU_xref_end): Deleted.
	* ch/lex.c (convert_bitstring): Delete check for alloca failure.
	* config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
	Deleted.
	* config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.

	* f/com.c (ffecom_decode_include_option_): Make errors non-fatal.
	* f/lex.c (ffelex_cfelex_, ffelex_get_directive_line_): Likewise.
	(ffelex_hash_): Likewise.
	* config/arm/arm.c (arm_override_options): Likewise.
	* config/avr/avr.c (avr_override_options): Likewise.
	* config/c4x/c4x.c (c4x_expand_prologue): Likewise.
	* config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
	* config/h8300/h8300.c (h8300_init_once): Likewise.
	* config/mips/mips.c (override_options): Likewise.
	* config/i386/i386.c (override_options): Likewise, rework.
	* config/m68k/m68k.c (override_options): Likewise.
	* cp/decl.c (init_decl_processing): Likewise.
	* java/jcf-parse.c (load_class): Likewise.

	* config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
	instead of fatal.
	* config/mips/mips.c (print_operand): Likewise.

	* java/lex.c (byteswap_init, need_byteswap): Only #ifdef HAVE_ICONV.
	* objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
	(get_object_reference): Likewise.

From-SVN: r39443

flow.c (init_propagate_block_info): Don't consider unchanging memories for dead frame store elimination.

        * flow.c (init_propagate_block_info): Don't consider unchanging
        memories for dead frame store elimination.

From-SVN: r39222

	* rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
	* flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
	element to be null, and always expect an EXPR_LIST.
	* rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
	* sched-deps.c (sched_analyze_1): Likewise.
	* sched-rgn.c (check_live_1, update_live_1): Likewise.

From-SVN: r39141

	* flow.c (mark_set_1, case PARALLEL): Now case; rework to allow
	entry to be EXPR_LIST.
	* rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
	be an EXPR_LIST (but not null, which other code doesn't allow).
	(note_stores): Properly handle PARALLEL in SET.
	Recursively call for top-level PARALLEL.
	* sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
	* sched-rgn.c (check_live_1, update_live_1): Likewise.

From-SVN: r39118

flow.c (propagate_on_insn): Make trying to delete a prologue or epilogue insn an ICE, not a warning.

	* flow.c (propagate_on_insn): Make trying to delete a prologue
	or epilogue insn an ICE, not a warning.  Allow doing this if
	the current function returns with stack pointer depressed.

From-SVN: r39078

        * flow.c (struct propagate_block_info): Add mem_set_list_len.
        (MAX_MEM_SET_LIST_LEN): New.
        (propagate_one_insn): Update mem_set_list_len.
        (invalidate_mems_from_autoinc): Likewise.
        (invalidate_mems_from_set): Likewise.
        (mark_used_regs): Likewise.
        (init_propagate_block_info): Likewise.  Stop collecting memories
        when we reach MAX_MEM_SET_LIST_LEN.
        (mark_set_1): Likewise.

From-SVN: r39065

From-SVN: r38908

	* flow.c (flow_call_edges_add): New.
	* basic_block.h (flow_call_edges_add): New.

From-SVN: r38899

	* flow.c (flow_loop_scan): Break out of ...
	(flow_loops_find) ... here.
	* basic-block.h (flow_loop_scan): New.
	(LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
	(LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.

From-SVN: r38822

* reload.c (subst_reloads): Take INSN argument.  When
replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
* reload.h (subst_reloads): Adjust prototype.
* reload1.c (reload_as_needed): Pass INSN to subst_reloads.
* jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
present in JUMP_INSNs and copy them to JUMP_LABEL.
* flow.c (find_label_refs, find_basic_blocks_1): Skip
JUMP_INSNs and insns with REG_LABELs that are followed by
JUMP_INSNs with the same REG_LABEL.
* sched-rgn.c (is_cfg_nonregular): Likewise.
* rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
note is available.
* unroll.c (unroll_loop): Look for REG_LABEL notes in
JUMP_INSNs too.
* rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.

From-SVN: r38755

	* c-decl.c (c_decode_option): Remove support of
	-Wmissing-noreturn.

	* toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
	(W_options): Add -Wmissing-noreturn here.

	* flow.c: Define lang_missing_noreturn_ok_p.
	(check_function_return_warnings): Use it.

	* c-common.h: Declare lang_missing_noreturn_ok_p.

	* c-lang.c (c_missing_noreturn_ok_p): New function.
	(lang_init): Set lang_missing_noreturn_ok_p.

	* invoke.texi (Warning Options): Document this.

From-SVN: r38612

From-SVN: r38547

        * rtl.h (REG_NON_LOCAL_GOTO): New.
        * rtl.c (reg_note_name): Update.
        * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note.
        * builtins.c (expand_builtin_longjmp): Likewise.
        * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do
        not emit an edge.

From-SVN: r38408

From-SVN: r38399

From-SVN: r38380

From-SVN: r38282

flow.c (notice_stack_pointer_modification_1): Notice midifications using PRE_MODIFY and POST_MODIFY.

	* flow.c (notice_stack_pointer_modification_1): Notice midifications
	using PRE_MODIFY and POST_MODIFY.

From-SVN: r38226

        * flow.c (calculate_global_regs_live): Force the stack pointer live
        after reload as well.

From-SVN: r38114

        * flow.c (calculate_global_regs_live): Only force stack pointer
        live before reload.  Force pic register live before reload.
        (insn_dead_p): Don't protect pic references from deletion.

From-SVN: r38027

        * flow.c (make_edge): Early out, if no flags to set.
        (calculate_global_regs_live): Clear out garbage only when necessary.

        * simplify-rtx.c (varray_type used_regs): New.
        (clear_table): Use it to only clear necessary items.
        (cselib_lookup, cselib_record_set): Remember newly set items.
        (cselib_update_varray_sizes, cselib_init): Initialize and grow
        used_regs.

        * local-alloc.c (update_equiv_regs): New local `cleared_regs'.
        Move clearing of dead regs out of insn-loop.

From-SVN: r37899

function.h (emit_status): Delete member regno_pointer_flag and rename regno_pointer_flag_length to...

	* function.h (emit_status): Delete member regno_pointer_flag and
	rename regno_pointer_flag_length to regno_pointer_align_length.
	Delete define for REGNO_POINTER_FLAG.
	* integrate.h (inline_remap): Delete member regno_pointer_flag.
	Add member x_regno_reg_rtx.
	* rtl.h (rtx_def): Use frame_related bit to indicate register is
	a pointer in REG expressions.  Define REG_POINTER macro.
	* alias.c (find_base_value, find_base_term): Use REG_POINTER
	instead of REGNO_POINTER_FLAG.
	* combine.c (nonzero_bits, num_sign_bit_copies): Likewise.
	* emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead
	of regno_pointer_flag_length.  Remove code which refers to
	regno_pointer_flag.
	(mark_reg_pointer): Use REG_POINTER.
	(free_emit_status): Remove code which refers to regno_pointer_flag.
	(init_emit, mark_emit_status): Likewise.
	* flow.c (dump_flow_info): Likewise.
	* function.c (preserve_temp_slots): Likewise.
	* integrate.c (expand_inline_function, copy_rtx_and_substitute):
	Use x_regno_reg_rtx instead of regno_pointer_flag for function
	pointer determination in map.
	* loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER.
	* predict.c (estimate_probability): Likewise.
	* regclass.c (record_address_regs, reg_scan_mark_refs): Likewise.
	* unroll.c (unroll_loop): Use x_regno_reg_rtx instead of
	regno_pointer_flag for function pointer determination in map.
	* convex.h (RTX_COSTS): Don't test regno_pointer_flag and use
	REG_POINTER.
	* pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand):
	Use REG_POINTER.
	(restore_unscaled_index_insn_codes): Revise comment.

From-SVN: r37863

While building global lifetime information, keep track of which registers are only conditionally set.

While building global lifetime information, keep track of which registers are
only conditionally set.  Use this to force rescans in more cases where they
are needed.

From-SVN: r37801

From-SVN: r37722

From-SVN: r37699

        * dominance.c: New file.
        * Makefile.in (OBJS): Add dominance.o.

        * flow.c (compute_flow_dominators): Remove.
        (compute_immediate_dominators): Remove.
        (compute_immediate_postdominators): Remove.
        * basic-block.h: Remove their prototypes.
        (calculate_dominance_info): Add prototype.

        * dce.c (eliminate_dead_code): Change calls to above functions.
        Don't compute dominators but only immediate dominators.
        * flow.c (flow_loops_find): Change callers.
        * gcse.c (compute_code_hoist_data): Likewise.
        * haifa-sched.c (schedule_insns): Likewise.
        * ifcvt.c (if_convert): Likewise.
        * ssa.c (convert_to_ssa): Likewise, and only compute immediate
        dominators.

From-SVN: r37449

        * flow.c (invalidate_mems_from_set): Split out from ...
        (mark_set_1): ... here.
        (try_pre_increment_1): Use it.  Use propagate_block_delete_insn
        instead of turning insn into a NOTE_INSN_DELETED.

From-SVN: r37356

flow.c (init_propagate_block_info): Protect the rtx stored in mem_set_list from modification by find_auto_inc.

        * flow.c (init_propagate_block_info): Protect the rtx stored in
        mem_set_list from modification by find_auto_inc.
        (mark_set_1): Likewise.

From-SVN: r37330

	* flow.c (verify_local_live_at_start): Back out last change.
	* combine.c (distribute_notes): When parts of a hard reg are
	neither set nor referenced in PLACE, search backwards for a
	place to put a REG_UNUSED note; if none found, ask for flow
	info refresh.

From-SVN: r37284

From-SVN: r37220

	* basic-block.h (struct loop): Delete fields pre_header_root
	and pre_header_trace and replace with pre_header_edges
	and num_pre_header_edges.
	* flow.c (flow_loop_dump): Dump pre_header_edges.
	(flow_loops_free): Free pre_header_edges.
	(flow_loop_pre_header_scan): Calculate pre_header_edges.

From-SVN: r36934

	* Makefile.in (ggc-callbacks.o): Remove target.
	(flow.o): Depend on GGC_H.
	* alias.c (init_alias_analysis):
	Remove ggc_p conditionals.
	(end_alias_analysis): Likewise.
	* basic-block.h (init_flow): New function.
	(allocate_reg_life_data): Declare.
	* bb-reorder.c	(function_obstack): Replace with ...
	(flow_obstack): ... new variable.
	(fixup_reorder_chain): Use it.
	* c-decl.c (ggc_p): Remove.
	(caller-save.c): Don't call oballoc/obfree.
	* combine.c (struct
	undobuf): Remove storage.
	(try_combine): Don't call oballoc.
	(undo_all): Don't call obfree.
	* cse.c (insert): Use xmalloc, not
	oballoc.
	(cse_main): Adjust accordingly.
	* dwarf2out.c (save_rtx): Remove
	obstack code.
	(dwarf2out_init): Remove ggc_p conditionals.
	* emit-rtl.c (rtl_obstack): Remove.
	(gen_rtx_CONST_INT): Remove ggc_p conditionals.
	(make_insn_raw): Likewise.
	(emit_insn_before): Likewise.
	(emit_insn_after): Likewise.
	(emit_insn): Likewise.
	(gen_sequence): Likewise.
	(copy_insn_1): Remove handling of `b' RTL components.
	(init_emit_once): Remove ggc_p conditionals.
	* except.c (create_rethrow_ref): Don't fool with obstacks.
	(add_partial_entry): Likewise.
	(call_get_eh_context): Likewise.
	(begin_protect_partials): Likewise.
	(protect_with_terminate): Likewise.
	* explow.c
	(plus_constant_wide): Likewise.
	* expr.c (init_expr_once):
	Likewise.
	(emit_block_move): Likewise.
	(clear_storage): Likewise.
	(expand_expr): Likewise.
	* flow.c (function_obstack): Remove.
	(flow_obstack): New variable.
	(flow_firstobj): Likewise.
	(create_base_block): Use the flow_obstack.
	(split_block): Likewise.
	(split_edge): Likewise.
	(calculate_global_regs_live): Likewise.
	(allocate_bb_life_data): Make it static.  Likewiwse.
	(init_flow): New function.
	(size_int_type_wide): Remove ggc_p conditionals.
	* function.c
	(push_function_context_to): Don't call save_tree_status.
	(pop_function_context_from): Or restore_tree_status.
	(assign_stack_local_1): Don't call push_obstacks.
	(find_fixup_replacement): Use xmalloc.
	(fixup_var_refs_insns): Free the storage.
	(insns_for_mem_walk): Don't mess with obstacks.
	(instantiate_decls): Likewise.
	(trampoline_address): Likewise.
	(expand_function_end): Likewise.
	* function.h (sturct function):
	Remove obstack-related variables.
	(save_tree_status): Don't declare.
	(restore_tree_status): Likewise.
	* gcse.c (compute_can_copy):
	Don't call oballoc/obfree.
	* genattrtab.c (operate_exp): Remove
	ggc_p conditionals.
	(simplify_cond): Likewise.
	(simplify_test_exp): Don't mess with obstacks.
	(optimize_attrs): Likewise.
	* gengenrtl.c (gendef): Don't include
	ggc_p conditionals.
	* ggc-callbacks.c (ggc_p): Remove.
	* ggc-none.c (ggc_p): Remove.
	* ggc.h (ggc_p): Don't declare.
	* integrate.c (save_for_inline): Don't mess with obstacks.
	(integrate_decl_tree): Likewise.
	(output_inline_function): Likewise.
	* lists.c
	(init_EXPR_INSN_LIST_cache): Likewise.
	* loop.c (temp_obstack):
	Remove.
	(rtl_obstack): Likewise.
	(init_loop): Don't mess with obstacks.
	(reg_address_cost): Free BIVs and GIVs.
	(check_insns_for_bivs): Use xmalloc, not oballoc.
	(find_mem_givs): Likewise.
	(record_biv): Likewise.
	(general_induction_var): Likewise.
	(product_cheap_p): Likewse.
	* optabs.c (init_one_libfunc): Remove
	ggc_p conditional.
	* print-tree.c (debug_tree): Don't use
	oballoc/obfree.
	(print_node): Likewise.
	* profile.c (output_func_start_profiler):
	Remove call to temporary_allocation.
	* reload1.c
	(eliminate_regs_in_insn): Don't mess with obstacks.
	* resource.c
	(mark_target_live_regs): Use xmalloc.
	(free_resource_info): Free the memory.
	* rtl.c (rtl_obstack):
	Remove.
	(rtvec_alloc): Don't mess with obstacks.
	(rtx_alloc): Likewise.
	(rtx_free): Remove.
	(copy_rtx): Don't handle `b' cases.
	(read_rtx): Use a local rtl_obstack.
	* rtl.h (oballoc): Remove.
	(obfree): Likewise.
	(pop_obstacks): Likewise.
	(push_obstacks): Likewise.
	(allocate_bb_life_data): Likewise.
	(allocate_reg_life_data): Likewise.
	(rtx_free): Likewise.
	* sdbout.c (sdbout_queue_anonymous_type):
	Use tree_cons, not saveable_tree_cons.
	* simplify-rtx.c
	(cselib_init): Don't mess with obstacks.
	* stmt.c
	(mark_block_nesting): Mark the label_chain.
	(epxand_label): Use ggc_alloc, not oballoc.
	(clear_last_expr): Don't mess with obstacks.
	(expand_decl_cleanup): Likewise.
	(expand_dcc_cleanup): Likewise.
	(expand_dhc_cleanup): Likewise.
	(expand_anon_union_decl): Likewise.
	(add_case_node): Use xmalloc, not oballoc.
	(free_case_nodes): New function.
	(expand_end_case): Call it.
	* stor-layout.c (layout_type): Don't
	mess with obstacks.
	(layout_type): Likewise.
	* toplev.c (wrapup_global_declarations):
	Likewise.
	(compile_file): Remove ggc_p conditionals.
	(rest_of_compilation): Call init_flow.  Remove ggc_p conditionals.
	(decode_f_option): Remove ggc_p conditionals.
	* tree.c
	(function_maybepermanent_obstack): Remove.
	(maybepermanent_obstack): Likewise.
	(function_obstack): Likewise.
	(tmeporary_obstack): Likewise.
	(momentary_obstack): Likewise.
	(temp_decl_obstack): Likewise.
	(saveable_obstack): Likewise.
	(rtl_obstack): Likewise.
	(current_obstack): Likewise.
	(expression_obstack): Likewise.
	(struct obstack_stack): Likewise.
	(obstack_stack): Likewise.
	(obstack_stack_obstack): Likewise.
	(maybepermanent_firstobj): Likewise.
	(temporary_firstobj): Likewise.
	(momentary_firstobj): Likewise.
	(temp_decl_firstobj): Likewise.
	(momentary_function_firstobj): Likewise.
	(all_types_permanent): Likewise.
	(struct momentary_level): Likewise.
	(momentary_stack): Likewise.
	(init_obstacks): Remove initialization of removed obstacks.
	(save_tree_status): Remove.
	(restore_tree_status): Likewise.
	(temporary_allocation): Liekwise.
	(end_temporary_allocation): Liekwise.
	(resume_temporary_allocation): Likewise.
	(saveable_allocation): Likewise.
	(push_obstacks): Likewise.
	(push_obstacks_nochange): Likewise.
	(pop_obstacks): Likewise.
	(allocation_temporary_p): Likewise.
	(permanent_allocation): Likewise.
	(preserve_data): Likewise.
	(preserve_initializer): Likewise.
	(rtl_in_current_obstack): Likewise.
	(rtl_in_saveable_obstack): Likewise.
	(oballoc): Likewise.
	(obfree): Likewise.
	(savealloc): Likewise.
	(expralloc): Likewise.
	(print_obstack_name): Likewise.
	(debug_obstack): Likewise.
	(object_permanent_p): Likewise.
	(push_momentary): Likewise.
	(perserve_momentary): Likewise.
	(clear_momentary): Likewise.
	(pop_momentary): Likewise.
	(pop_momentary_nofree): Likewise.
	(suspend_momentary): Likewise.
	(resume_momentary): Likewise.
	(make_node): Don't set TREE_PERMANENT.
	(copy_node): Remove ggc_p conditionals.  Don't set TYPE_OBSTACK.
	Don't set TREE_PERMANENT.
	(get_identifier): Remove ggc_p conditionals.
	(build_string): Likewise.
	(make_tree_vec): Likewise.
	(build_decl_list): Remove.
	(build_expr_list): Likewise.
	(tree_cons): Remove ggc_p conditionals.
	(decl_tree_cons): Remove.
	(expr_tree_cons): Likewise.
	(perm_tree_cons): Likewise.
	(temp_tree_cons): Likewise.
	(saveable_tree_cons): Likewise.
	(build1): Remove ggc_p conditionals.
	(build_parse_node): Likewise.
	(build_type_attribute_variant): Don't mess with obstacks.
	(build_type_copy): Likewise.
	(type_hash_canon): Likewise.
	(build_pointer_type): Likewise.
	(build_reference_type): Likewise.
	(build_index_type): Likewise.
	(build_range_type): Likewise.
	(dump_tree_statistics): Don't print obstack information.
	* tree.h
	(struct tree_common): Remove permanent_flag.
	(TREE_PERMANENT): Remove.
	(TREE_SET_PERMANENT): Likewise.
	(TYPE_OBSTACK): Likewise.
	(struct tree_type): Remove obstack.
	(oballoc): Remove.
	(savealloc): Likewise.
	(build_decl_list): Likewise.
	(build_expr_list): Likewise.
	(perm_tree_cons): Likewise.
	(temp_tree_cons): Likewise.
	(saveable_tree_cons): Likewise.
	(decl_tree_cons): Likewise.
	(expr_tree_cons): Likewise.
	(suspend_momentary): Likewise.
	(allocation_temporary_p): Likewise.
	(resume_momentary): Likewise.
	(push_obstacks_nochange): Likewise.
	(permanent_allocation): Likewise.
	(push_momentary): Likewise.
	(clear_momentary): Likewise.
	(pop_momentary): Likewise.
	(end_temporary_allocation): Likewise.
	(pop_obstacks): Likewise.
	(push_obstacks): Likewise.
	(pop_momentary_nofree): LIkewise.
	(preserve_momentary): Likewise.
	(saveable_allocation): Likewise.
	(temporary_allocation): Likewise.
	(resume_temporary_allocation): Likewise.
	(perserve_initializer): Likewise.
	(debug_obstack): Likewise.
	(rtl_in_current_obstack): Likewise.
	(rtl_in_saveable_obstack): Likewise.
	(obfree): Likewise.
	* varasm.c (current_obstack): Remove.
	(saveable_obstack): Remove.
	(rtl_obstack): Remove.
	(immed_double_const): Don't mess with obstacks.
	(immed_real_cons): Likewise.
	(output_constant_def): Likewise.
	(init_varasm_status): Use xcalloc.
	(mark_pool_constant): Mark the pool constant itself.
	(free_varasm_status): Free memory.
	(decode_rtx_const): Call bzero directly, rather than expanding it
	inline.
	(record_rtx_const): Don't mess with obstacks.
	(force_const_mem): Likewise.
	* config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p
	conditionals.
	(aof_pic_entry): Likewise.
	* config/ia64/ia64.c (ia64_encode_section_info): Likewise.
	* config/m32r/m32r.c (m32r_encode_section_info): Likewise.
	* config/pa/pa.c (saveable_obstack): Remove.
	(rtl_obstack): Likewise.
	(current_obstack): Likewise.
	(output_call): Don't mess with obstacks.
	(hppa_encode_label): Remove ggc_p conditionals.
	* config/romp/romp.c (get_symref): Don't mess with obstacks.
	* config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional.
	(rs6000_encode_section_info): Likewise.
	* config/sh/sh.c (get_fpscr_rtx): Likewise.

From-SVN: r36856