* 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

From-SVN: r29118

	* c-decl.c (struct language_function): Renamed from struct c_function.
	Delete elt NEXT.
	(c_function_chain): Delete.
	(push_c_function_context): New arg F.  Don't warn about nested
	functions here.  Fill LANGUAGE elt of F.  Delete code to update
	c_function_chain.  Don't call push_function_context.
	(pop_c_function_context): New arg F.  Restore from there instead of
	from c_function_chain.  Don't call pop_function_context.  Clear out
	LANGUAGE field of F when done.
	* c-lang.c: Include "function.h"
	(lang_init): Initialize save_lang_status and restore_lang_status.
	* c-parse.in (nested_function, nested_function_notype): Warn about
	nested functions.  Call push_function_context/pop_function_context
	instead of the _c_ variants.
	* c-tree.h (push_c_function_context, pop_c_function_context): Update
	prototype.
	* Makefile.in (c-lang.o): Update dependencies.

	* emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
	regno_pointer_flag, regno_pointer_align.
	(gen_reg_rtx): Use xrealloc to enlarge them.
	(free_emit_status): New function.
	* function.c (mark_machine_status, mark_lang_status): New variables.
	(assign_stack_local_1): Renamed from assign_outer_stack_local.  Merge
	in some bits from assign_stack_local.  All callers changed to use new
	name.
	(assign_stack_local): Just call assign_stack_local_1.
	(free_after_compilation): New function.
	(put_reg_into_stack): Simplify to always call assign_stack_local_1.
	(trampoline_address): Likewise.
	(assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
	(prepare_function_start): Explicitly clear some more variables.
	* function.h (struct function): New elt can_garbage_collect.
	(mark_machine_status, mark_lang_status): Declare variables.
	(free_after_compilation, free_emit_status, free_varasm_status,
	init_varasm_status): Declare functions.
	* toplev.c (rest_of_compilation): Call free_after_compilation when
	done with the current function.
	* varasm.c (free_varasm_status): New function.

From-SVN: r29117

	* Make-lang.in (f771): Depend on ggc-callbacks.o.
	* Makefile.in (OBJS): Add ggc-callbacks.o.
	(OBJDEPS): Likewise.

From-SVN: r29116

        * sparc.h (EXPAND_BUILTIN_VA_START): Define.
        (EXPAND_BUILTIN_VA_ARG): Define.
        * sparc.c (sparc_va_start): New.
        (sparc_va_arg): New.

From-SVN: r29115

From-SVN: r29114

	* Makefile.in (C_AND_C_OBJS): Add ggc-callbacks.o.
	(OBJS): Add $(GGC).
	(ggc-callbacks.o): New target.
	* ggc-callbacks.c: New file.

From-SVN: r29113

	* config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.

This has been disabled since caller-save has marginal benefit on the c3x/c4x
and it avoids a long standing caller-save bug.

From-SVN: r29112

GCC:

Sat Sep  4 13:44:01 1999  Mark Mitchell  <mark@codesourcery.com>

	* Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
	(OBJS): Add $(GCC).
	(ggc-callbacks.o): New target.
	* ggc-callbacks.c: New file.

Chill:

1999-09-04  Mark Mitchell  <mark@codesourcery.com>

	* Make-lang.in (cc1chill): Depend on ggc-callbacks.o.
	* Makefile.in (CHILL_OBJS): Add ggc-callbacks.o.

C++:

1999-09-04  Mark Mitchell  <mark@codesourcery.com>

	* Make-lang.in (cc1plus): Remove dependency on GGC.
	* Makefile.in (OBJS): Don't mention ggc-simple.o.
	(OBJDEPS): Don't mention ggc-simple.o.

F77:

Sat Sep  4 13:46:27 1999  Mark Mitchell  <mark@codesourcery.com>

	* Make-lang.in (f771): Depend on ggc-callbacks.o.
	* Makefile.in (OBJS): Add ggc-callbacks.o.
	(OBJDEPS): Likewise.

Objc:

1999-09-04  Mark Mitchell  <mark@codesourcery.com>

	* Make-lang.in (jc1): Depend on ggc-callbacks.o.
	* Makefile.in (OBJS): Add ggc-callbacks.o.
	(OBJDEPS): Likewise.

From-SVN: r29111

From-SVN: r29110

	* Make-lang.in (cc1plus): Depend on $(GGC).
	* Makefile.in (OBJS): Add ggc-simple.o.
	(OBJDEPS): Likewise.
	* cp-tree.h (language_function): Rename members to `x_' versions;
	we now have x_named_labels, x_ctor_label, x_dtor_label,
	x_base_init_list, x_member_init_list, x_base_init_expr,
	x_current_class_ptr, x_current_class_ref, x_last_tree,
	x_last_expr_type, x_last_dtor_insn, x_last_parm_cleanup_insn, and
	x_result_rtx.
	(dtor_label, ctor_label, current_base_init_list,
	current_member_init_list, base_init_expr, current_class_ptr,
	current_class_ref, last_tree, last_expr_type): Adjust accordingly.
	* decl.c: Include ggc.h.
	(last_dtor_insn): Adjust to use x_ names.
	(last_parm_cleanup_insn): Likewise.
	(original_result_rtx): Likewise.
	(named_labels): Likewise.
	(mark_binding_level): New function.
	(mark_cp_function_context): Likewise.
	(mark_false_label_stack): Likewise.
	(lang_mark_tree): Likewise.
	(lang_cleanup_tree): Likewise.

From-SVN: r29109

From-SVN: r29108

	* Make-lang.in (cc1plus): Depend on $(GGC).
	* Makefile.in (OBJS): Add ggc-simple.o.
	(OBJDEPS): Likewise.
	* cp-tree.h (language_function): Rename members to `x_' versions;
	we now have x_named_labels, x_ctor_label, x_dtor_label,
	x_base_init_list, x_member_init_list, x_base_init_expr,
	x_current_class_ptr, x_current_class_ref, x_last_tree,
	x_last_expr_type, x_last_dtor_insn, x_last_parm_cleanup_insn, and
	x_result_rtx.
	(dtor_label, ctor_label, current_base_init_list,
	current_member_init_list, base_init_expr, current_class_ptr,
	current_class_ref, last_tree, last_expr_type): Adjust accordingly.
	* decl.c: Include ggc.h.
	(last_dtor_insn): Adjust to use x_ names.
	(last_parm_cleanup_insn): Likewise.
	(original_result_rtx): Likewise.
	(named_labels): Likewise.
	(mark_binding_level): New function.
	(mark_cp_function_context): Likewise.
	(mark_false_label_stack): Likewise.
	(lang_mark_tree): Likewise.
	(lang_cleanup_tree): Likewise.

From-SVN: r29107

	* 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

From-SVN: r29105

From-SVN: r29102

Change memory mangement and constant pool handling for nested functions to match that of normal functions; add init_machine_status mechanism.

From-SVN: r29101

From-SVN: r29100

From-SVN: r29099

Sat Sep  4 16:56:28 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
	(doloop_begin):  Simplify pattern and use emit_jump_insn.
	(doloop_end): Simplify pattern, switch operand order,
	and use emit_jump_insn.

From-SVN: r29098

1999-09-03 19:31 -0700  Zack Weinberg  <zack@bitmover.com>

	* gcc.dg/cast-qual-1.c: Add missing dg-bogus tag.
	* gcc.dg/compare1.c: Fix typo.
	* gcc-dg/cpp-unc.c, cpp-unc1.c, cpp-unc2.c, cpp-unc3.c: New
	files which test the preprocessor's unterminated conditional
	diagnostics.

From-SVN: r29097

	* Makefile.in (CXX_TREE_H): Include function.h.
	(decl.o): Don't depend on function.h.
	(decl2.o): Likewise.
	(typeck.o): Likewise.
	(init.o): Likewise.
	(method.o): Likewise.
	* cp-tree.h: Include function.h.
	(cp_function): Rename to language_function.  Remove next.
	(cp_function_chain): Make it a macro, not a variable.
	(push_cp_function_context): Don't declare.
	(pop_cp_function_context): Likewise.
	* decl.c: Don't include function.h.
	(push_cp_function_context): Make it static.  Make it suitable for
	a save_lang_status callback.
	(pop_cp_function_context): Likewise.
	(maybe_push_to_top_level): Call push_function_context_to, not
	push_cp_function_context.
	(pop_from_top_level): Call pop_function_context_from, not
	pop_cp_function_context.
	(init_decl_processing):  Set save_lang_status and
	restore_lang_status.  Call push_function_context_to, not
	push_cp_function_context.
	(cp_function_chain): Remove.
	* decl2.c: Don't include function.h.
	* except.c: Don't include function.h.
	(start_anon_func): Call push_function_context_to, not
	push_cp_function_context.
	(end_anon_func):  Call pop_function_context_from, not
	pop_cp_function_context.
	* init.c: Don't include function.h.
	* lex.c (begin_definition_of_inclass_inline): Call
	push_function_context_to, not push_cp_function_context.
	(process_next_inline):  Call pop_function_context_from, not
	pop_cp_function_context.
	* method.c: Don't include function.h.
	(synthesize_method): Call push_function_context_to, not
	push_cp_function_context.  Call pop_function_context_from, not
	pop_cp_function_context.
	* typeck.c: Don't include function.h.

From-SVN: r29096

 	* function.h (struct function): Add new element LANGUAGE.
 	(save_lang_status): Declare new variable.
	(restore_lang_status): Likewise.
	* function.c (save_lang_status): Define.
	(restore_lang_status): Likewise.
	(push_function_context_to): Call language-specific save function.
	(pop_function_context_from): Call language-specific restore function.

From-SVN: r29095

        * i386.md (movsf_1): Check REG_P before use of REGNO.
        (movdf_1): Likewise.
        (movxf_1): Likewise.
        (extendsfdf2): Likewise.
        (extendsfxf2): Likewise.
        (extenddfxf2): Likewise.

From-SVN: r29094

decl.c (expand_static_init): Tweak handling of static initializations for objects without constructors.

	* decl.c (expand_static_init): Tweak handling of static
	initializations for objects without constructors.

From-SVN: r29093

Sat Sep  4 11:37:15 1999  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

	* config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
	constants into memory.
	(c4x_shiftable_constant): New function.
	* config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
	(c4x_shiftable_constant): Declare.
	* config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
 	ashlqi3_noclobber): Add new patterns and associated splitters.

From-SVN: r29092

	* dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
	* dwarf2out.c (dwarf2out_frame_init): Likewise.
	* final.c (shorten_branches): Likewise.
	* global.c (global_alloc): Likewise.
	* haifa-sched.c (build_control_flow): Likewise.
	* stmt.c (check_for_full_enumeration_handling): Likewise.
	(estimate_case_costs): Likewise.

From-SVN: r29091

From-SVN: r29090

        * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
        (recompute_reg_usage): Likewise.
        * rtlanal.c (find_regno_fusage): Likewise.

        * rtl.c (rtl_check_failed_code1): New function.
        (rtl_check_failed_code2): New.
        * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
        (RTL_CHECKC1, RTL_CHECKC2): New.
        (XC*): New accessor macros.
        (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
        (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
        (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
        (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
        (TRAP_*, RANGE_INFO_*): Likewise.

From-SVN: r29089

From-SVN: r29088

	* Makefile.in (tlink.o): Don't depend on toplev.h.

	* collect2.c (c_file, o_file, export_file, import_file, ldout,
	output_file, nm_file_name, ldd_file_name, strip_file_name,
	c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
	add_prefix, prefix_from_env, prefix_from_string, do_wait,
	fork_execute, maybe_unlink, add_to_list,
	extract_init_priority, write_list, dump_list,
	dump_prefix_list, write_list_with_asm, write_c_file,
	write_c_file_stat, write_c_file_glob, scan_prog_file,
	scan_libraries, is_in_list, resolve_lib_name, use_import_list,
	ignore_library, extract_string, notice, dump_file, target_machine,
	collect_wait, collect_execute, libname, locatelib, aix_std_libs,
	read_file, print_load_command): Constify a char*.
	(fdopen, error, fatal, fatal_perror): Don't prototype.
	(my_strerror): Remove.  All callers use xstrerror instead.
	(xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
	(main): Add prototype.  Constify lots of char* ptrs.  Change calls
	to xcalloc/strcpy/strcat/...  to one call to concat.
	(main, scan_prog_file, scan_libraries): Use an intermediate
	`const char **' to build an argv array.
	(mapfile, libselect, libcompare, locatelib): Add prototypes.

	* collect2.h (collect_execute, collect_wait, dump_file,
	file_exists): Constify a char*.
	(ldout, c_file_name, temporary_obstack, permanent_obstack,
	temporary_firstobj, vflag, debug): Add extern declarations.
	(fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.

	* tlink.c: Don't include toplev.h.
	(vflag, debug, ldout, c_file_name, temporary_obstack,
	permanent_obstack, temporary_firstobj): Don't declare.
	(tlink_execute, frob_extension, symbol_hash_lookup,
	file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
	recompile_files, read_repo_files, demangle_new_symbols,
	scan_linker_output): Constify a char*.
	(symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
	do_tlink): Mark parameters with ATTRIBUTE_UNUSED.

From-SVN: r29087

	* parse.y (strip_out_static_field_access_decl): Return operand if
	it satisfies JDECL_P.

From-SVN: r29086

Fri Sep  3 18:09:24 1999  Andrew Haley  <aph@cygnus.com>

        * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
        (relative) rather than jsr (absolute) subroutine call insns.
        * config/m68k/m68k-coff.h: Ditto.

From-SVN: r29085

* arm.c (note_invalid_constants): No need to ignore ASMs, we can
now rework these too.
(arm_reorg): If an insn can't reach the end of the current pool,
ensure that we emit that pool before the insn.

From-SVN: r29084

	* tlink.c (scan_linker_output): Skip the initial underscore in
	a mangled name if appropriate.

From-SVN: r29083

From-SVN: r29082

	* typeck.c (build_indirect_ref): Reject dereference of pointer to
	void.

From-SVN: r29081

From-SVN: r29080

From-SVN: r29079

	* configure: Rebuilt.
	* configure.in: Check for fstat function.
	* java/io/natFileDescriptorPosix.cc (available): Use fstat() if
	FIONREAD fails.
This fixes PR 3

From-SVN: r29078