From-SVN: r31465

        * ggc-common.c: PROTO -> PARAMS.
        * ggc-page.c: Likewise.
        * ggc-simple.c: Likewise.
        * ggc.h: Likewise.
        * global.c: Likewise.
        * graph.c: Likewise.
        * gthr-win32.h: Likewise.
        * haifa-sched.c: Likewise.
        * halfpic.h: Likewise.
        * integrate.c: Likewise.
        * integrate.h: Likewise.
        * jump.c: Likewise.
        * lcm.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * loop.h: Likewise.

From-SVN: r31458

	* ggc.h (ggc_test_and_set_mark): New macro.
	(ggc_mark_rtx): Use ggc_test_and_set_mark.
	(ggc_mark_tree): Likewise.
	(ggc_mark_rtvec): Likewise.
	* ggc-common.c (ggc_mark_rtx_children): Reduce recursion.

From-SVN: r30734

        * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
        for printing.
        * ggc.h (struct ggc_statistics): Rearrange elements for better
        packing on 64-bit hosts.
        * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
        (compute_nearerout): Likewise.

From-SVN: r30547

	* ggc.h (struct ggc_statistics): New type.
	(ggc_get_size): New function.
	(ggc_print_statistics): Likewise.
	* ggc-common.c (ggc_stats): New variable.
	(ggc_mark_rtx_children): Keep statistics.
	(ggc_mark_tree_children): Likewise.
	(ggc_print_statistics): New function.
	* ggc-page.c (struct globals): Add bytes_mapped field.
	(alloc_anon): Update it.
	(release_pages): Likewise.
	(ggc_get_size): New function.
	(ggc_page_print_statistics): New function.
	* ggc-simple.c (ggc_get_size): New function.

From-SVN: r30251

From-SVN: r29946

	* ggc.h (ggc_push_context): Fix comment.
	(ggc_pop_context): Likewise.
	(mark_string_if_gcable): Likewise.
	* ggc-common.c (ggc_mark_rtx_children): Use
	ggc_mark_string_if_gcable.
	* ggc-page.c (ggc_lookup_page_table): New function.
	(ggc_allocated_p): Likewise.
	(mark_obj): Fix formatting.
	(ggc_mark_string_if_gcable): New function.
	* ggc-simple.c (ggc_allocated_strings): New variable.
	(ggc_strings_used): Likewise.
	(ggc_compare_addresses): New function.
	(ggc_pop_context): Pop the `any' memory too.
	(ggc_mark_string_if_gcable): New function.
	(ggc_collect): Initialize and tear down ggc_allocated_strings.

From-SVN: r29897

	* config/i386/i386.c (pic_label_name): Change to char pointer.
	(global_offset_table): New variable.
	(load_pic_register): Fill global_offset_table if it hasn't
	already been done.  Allocate pic_label_name dynamically.
	* ggc.h (empty_string): New variable.
	* ggc-simple.c (empty_string): Likewise.
	(init_ggc): Allocate empty_string and add as root.
	* stmt.c (digit_strings): New variable.
	(init_stmt): Add last_block_end_note as root.  Allocate and
	initialize digit_strings.
	(expand_asm_operands): Use empty_string and digit_string instead
	of string constants.
	* profile.c (init_arc_profiler): Allocate with ggc_alloc_string
	instead of xmalloc.
	(output_func_start_profiler): Likewise.
	* c-typeck.c (digest_init): Check if init is error_mark_node.

From-SVN: r29575

Thu Sep 16 11:50:52 1999  Alex Samuel  <samuel@codesourcery.com>

        * ggc.h (ggc_root): Move to ggc-common.c.
        (roots): Remove.
        (ggc_mark_rtx, ggc_mark_tree): Change to macro.
        (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
        (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
        (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
        * ggc-common.c (ggc_root): Move from ggc.h.
        (roots): Declare, static.
        (ggc_mark_rtx, ggc_mark_tree): Renamed to...
        (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
        null or check/set mark bit.
        (ggc_mark_roots): New.
        * ggc-simple.c (ggc_collect): Call ggc_mark_roots.

From-SVN: r29461

        * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
        Free the struct.
        (mark_emit_status): Renamed from mark_emit_state.
        * except.c (mark_eh_status): Renamed from mark_eh_state.
        Check not null before marking.
        (free_eh_status): New.
        * expr.c (mark_expr_status, free_expr_status): New.
        * function.c (free_machine_status): New.
        (free_after_parsing): New.
        (free_after_compilation): Move bits to free_after_parsing; call
        free_eh_status, free_expr_status; zero the marked members of the
        function state.
        (prepare_function_start): No can_garbage_collect.
        Call init_eh_for_function.
        (expand_dummy_function_end): Free up current_function state.
        (mark_function_status): Renamed from mark_function_state.
        (mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
        * function.h (struct function): No can_garbage_collect.
        (free_machine_status, free_after_parsing): Declare.
        (free_eh_status, free_expr_status): Declare.
        * ggc.h (mark_expr_status): Declare.
        * stmt.c (free_stmt_status): Free the struct.
        (mark_stmt_status): Renamed from mark_stmt_state.
        (init_stmt): Don't call init_eh.
        (init_stmt_for_function): Don't call init_eh_for_function.
        * toplev.c (compile_file): Call init_eh.
        (rest_of_compilation): Free basic block info before ggc_collect.
        Call free_after_parsing; conditionally call free_after_compilation.
        * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
        Check not null before marking.

From-SVN: r29448

From-SVN: r29282

        * ggc.h (rtvec_def): Forward declare.
        (tree_node): Likewise.
        (ggc_root): Define.
        (roots): Declare.
        (ggc_set_mark_rtx): Add prototype.
        (ggc_set_mark_rtvec): Likewise.
        (ggc_set_mark_tree): Likewise.
        * ggc-simple.c (ggc_root): Don't define.
        (roots): Don't declare.
        (ggc_mark_rtx): Remove.
        (ggc_mark_rtvec): Likewise.
        (ggc_mark_tree): Likewise.
        (ggc_mark_varray): Likewise.
        (ggc_mark_tree_hash_table_entry): Likewise.
        (ggc_mark_tree_hash_table): Likewise.
        (ggc_set_mart_rtx): New function.
        (ggc_set_mark_rtvec): Likewise.
        (ggc_set_mark_tree): Likewise.
        (ggc_add_root): Remove.
        (ggc_add_rtx_root): Likewise.
        (ggc_remove_tree_root): Likewise.
        (ggc_add_string_root): Likewise.
        (ggc_add_tree_varray_root): Likewise.
        (ggc_add_tree_hash_table_root): Likewise.
        (ggc_del_root): Likewise.
        (ggc_mark_rtx_ptr): Likewise.
        (ggc_mark_tree_ptr): Likewise.
        (ggc_mark_string_ptr): Likewise.
        (ggc_mark_tree_varray_ptr): Likewise.
        (ggc_mark_tree_hash_table_ptr): Likewise.
        * ggc-common.c: New file.
        * Makefile.in (OBJS): Add ggc-common.o.
        (ggc-common.o): List dependencies.

From-SVN: r29281

	* ggc.h (lang_cleanup_tree): Remove.
	* gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
	* ggc-callbacks.c (lang_cleanup_tree): Remove.

	* c-decl.c (finish_struct): Use ggc_alloc to allocate
	TYPE_LANG_SPECIFIC when garbage collecting.
	(lang_cleanup_tree): Remove.

From-SVN: r29242

        * combine.c (SUBST): Break out to a real function do_SUBST.
        (SUBST_INT): Likewise.
        * gcse.c (free_pre_mem): Free `temp_bitmap'.
        (pre_insert): Free `inserted'.
        * loop.c (basic_induction_var): Always set `location'.

        * function.c (expand_function_end): Add initial_trampoline as a root.
        * rtl.h (init_varasm_once): Declare.
        * toplev.c (compile_file): Call it.
        * ggc-simple.c (ggc_mark_string_ptr): New.
        (ggc_add_string_root): New.
        (ggc_collect): Disable collection avoidance temporarily.
        * ggc.h (ggc_add_string_root): Declare.
        * except.c (create_rethrow_ref): Use ggc_alloc_string.
        * optabs.c (init_libfuncs): Likewise.
        * varasm.c (named_section): Use ggc_alloc_string.
        (make_function_rtl): Likewise.
        (make_decl_rtl): Likewise.
        (assemble_static_space): Likewise.
        (assemble_trampoline_template): Likewise.
        (output_constant_def): Likewise.
        (force_const_mem): Likewise.
        (mark_const_hash_entry): New.
        (mark_pool_sym_hash_table): New.
        (mark_varasm_state): Use it.
        (init_varasm_once): New.

        * expr.h (init_one_libfunc): Declare.
        * optabs.c (init_one_libfunc): New.
        (init_optabs): Use it.
        * config/gofast.h: Likewise.
        * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
        * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.

From-SVN: r29226

	* ggc.h (ggc_alloc): New function.
	(ggc_mark): Likewise.
	* ggc-simple.c (ggc_any): New structure.
	(ggc_status): Add anys.
	(n_anys_collected): New variable.
	(ggc_alloc): Define.
	(ggc_mark): Likewise.
	(ggc_collect): Collect the anys.

From-SVN: r29222

	* emit-rtl.c (free_emit_status): Take decl as a parameter.
	(init_emit_once): Add more GC roots.
	* except.c (mark_func_eh_entry): New function.
	(mark_eh_node): Mark false_label and rethrow_label.
	(init_eh): Add more GC roots.
	* function.c (free_after_compilation): Take decl as a paramter.
	Call free_stmt_status.
	(mark_function_state): Don't assume x_parm_reg_stack_loc is
	non-NULL.
	* function.h (free_after_compilation): Change prototype.
	(free_varasm_status): Likewise.
	(free_emit_status): Likewise.
	(free_stmt_status): New function.
	* ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
	Remove, replacing with ...
	(ggc_status): New structure.
	(ggc_chain): New variable.
	(init_gcc): Define.
	(ggc_push_context): New function.
	(ggc_pop_context): Likewise.
	(ggc_alloc_rtx): Adjust for use of ggc_chain.
	(ggc_alloc_rtvec): Likewise.
	(ggc_alloc_tree): Likewise.
	(ggc_alloc_string): Likewise.
	(ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
	(ggc_mark_tree): Give language-dependent code a chance to mark
	`x' nodes.
	(ggc_mark_tree_varray): Handle empty arrays.
	(ggc_collect): Adjust for use of ggc_chain.  Clear
	bytes_alloced_since_last_gc.
	* ggc.h (ggc_pop_context): New function.
	(ggc_push_context): Likewise.
	* print-tree.c (print_node): Don't print obstacks when GC'ing.
	* stmt.c (free_stmt_status): New function.
	(init_stmt_for_function): Clear last_expr_value.
	* toplev.c (rest_of_compilation): Always call free_after_compilation.
	Conditionalize call to ggc_collect.
	(main): Call init_ggc.
	* tree.c (push_obstacks): Do the push, even when GC'ing.
	(push_obstacks_nochange): Likewise.
	(pop_obstacks): Liekwise.
	* varasm.c (free_varasm_status): Take decl as a parameter.

From-SVN: r29170

	* Makefile.in (ggc-simple.o): Depend on hash.h.
	* ggc.h (ggc_add_tree_hash_table_root): Declare.
	(ggc_mark_tree_varray): Likewise.
	(ggc_mark_tree_hash_table): Likewise.
	* ggc-simple.c: Include hash.h.
	(ggc_mark_tree_hash_table_ptr): New function.
	(ggc_mark_tree_hash_table_entry): Likewise.
	(ggc_mark_tree_hash_table): Likewise.
	(ggc_add_tree_hash_table_root): Likewise.
	* varray.h (const_equiv_data): Use struct rtx_def *, rather than

	* profile.c (output_func_start_profiler): Remove apparently
	nonsensical call to start_sequence.

From-SVN: r29134

	* Makefile.in (ggc-simple.o): Depend on varray.h.
	(rtl.o): Depend on ggc.h.
	(genattrtab.o): Depend on ggc.h.
	(print-tree.o): Likewise.
	(fold-const.o): Likewise.
	* emit-rtl.c (sequence_element_free_list): Remove, and all references.
	(make_insn_raw): Don't cache insns when GC'ing.
	(emit_insn_before): Likewise.
	(emit_insn_after): Likewise.
	(emit_insn): Likewise.
	(start_sequence): Use xmalloc to allocate the sequence_stack.
	(end_sequence): Add free to free it.
	(gen_sequence): Don't cache insns when GC'ing.
	(clear_emit_caches): Don't use sequence_element_free_list.
	(init_emit): Use xcalloc, not xmalloc+bzero.
	* fold-const.c (size_int_wide): Kill the cache, when GC'ing.
	* function.c (pop_function_context_from): Use free to free the
	fixup_var_refs_queue.
	(put_reg_into_stack): Allocate it with xmalloc.
	* genattrtab.c: Include ggc.h.
	(operate_exp): Don't use obstack_free when GC'ing.
	(simplify_cond): Likewise.
	(simplify_text_exp): Likewise.
	(optimize_attrs): Likewise.
	* gengentrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
	GC'ing.
	(gencode): Generate a #include for ggc.h.
	* ggc-callbacks.c (ggc_p): Define it to zero.
	* ggc-none.c (ggc_p): Likewise.
	* ggc-simple.c: Include varray.h.
	(ggc_mark_tree_varray): New function.
	(ggc_add_tree_varray_root): Likewise.
	(ggc_mark_tree_varray_ptr): Likewise.
	* ggc.h (ggc_p): Declare.
	(varray_head_tag): Likewise.
	(ggc_add_tree_varray_root): Declare.
	* print-tree.c (print_node): Don't check for TREE_PERMANENT
	inconsistencies when GC'ing.
	* rtl.c: Include ggc.h.
	(rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
	(rtx_alloc): Use ggc_alloc_rtx when GC'ing.
	(rtx_free): Don't call obstack_free when GC'ing.
	* toplev.c (rest_of_compilation): Call ggc_collect after every
	pass, if GC'ing.
	* tree.c (push_obstacks): Do nothing, if GC'ing.
	(pop_obstacks_nochange): Likewise.
	(pop_obstacks): Likewise.
	(make_node): Use ggc_alloc_tree when GC'ing.
	(copy_node): Likewise.
	(get_identifier): Use ggc_alloc_string when GC'ing.
	(build_string): Likewise.
	(make_tree_vec): Use ggc_alloc_tree when GC'ing.
	(tree_cons): Likewise.
	(build1): Likewise.
	(type_hash_canon): Don't call obstack_free when GC'ing.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29125

	* Makefile.in (tree.o): Depend on ggc.h.
	(varasm.o): Likewise.
	(function.o): Likewise.
	(stmt.o): Likewise.
	(except.o): Likewise.
	(optabs.o): Likewise.
	(emit-rtl.o): Likewise.
	* emit-rtl.c: Include ggc.h.
	(sequence_element_free_list): Remove, and all references.
	(mark_sequence): New functions.
	(mark_emit_state): New function.
	* except.c: Include ggc.h.
	(mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
	(mark_tree_label_node): New functions.
	(mark_eh_state): New function.
	* function.c: Include ggc.h.
	(mark_temp_slot, mark_function_chain): New functions.
	(mark_function_state): New function.
	(init_function_once): New function.
	* function.h (init_function_once): New function.
	* ggc-callbacks.c (lang_mark_false_label_stack): New function.
	* ggc.h (label_node): Declare.
	(eh_status, emit_status, stmt_status, varasm_status): Likewise.
	(lang_mark_false_label_stack): New function.
	(mark_temp_slot): Remove declaration.
	(mark_function_chain): Likewise.
	(mark_eh_state): Adjust prototype.
	(mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
	Likewise.
	* optabs.c: Include ggc.h.
	(mark_optab): New function.
	(init_optabs): Add gc roots.
	* stmt.c: Include ggc.h.
	(mark_cond_nesting, mark_loop_nesting): New functions.
	(mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
	(mark_stmt_state): New function.
	* toplev.c (compile_file): Call init_function_once.
	* tree.c: Include ggc.h.
	(type_hash): Move declaration earlier in file.
	(TYPE_HASH_SIZE, type_hash_table): Likewise.
	(init_obstacks): Add gc roots.
	(mark_type_hash): New function.
	* varasm.c: Include ggc.h.
	(mark_pool_constant): New function.
	(mark_varasm_state): New function.

Co-Authored-By: Bernd Schmidt <bernds@cygnus.co.uk>
Co-Authored-By: Mark Mitchell <mark@codesourcery.com>

From-SVN: r29119

	* Makefile.in (GGC, GGC_LIB): New.
	(HOST_RTL): Include ggc-none.o.
	(ggc-simple.o): New target.
	(ggc-none.o): Likewise.
	* tree.h (tree_common): Add gc_mark.
	* rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
	(struct rtvec_def): Add gc_mark.
	* emit-rtl.c (global_rtl): Update static initializers to contain
	enough initializers.
	* ggc.h, ggc-none.c, ggc-simple.c: New files.
	* toplev.c (gc_time): New variable.
	(all_time): New variable.
	(compile_file): Print gc time.
	(print_time): Calculate percentage of the whole.

From-SVN: r29106