* common.opt: Remove -fgnu-linker.
	* flags.h: Remove flag_gnu_linker.
	* opts.c: Don't handle OPT_fgnu_linker.
	* toplev.c: Don't initialize flag_gnu_linker.
	Remove gnu-linker entry from f_options.
	* config/dsp16xx/dsp16xx.h (OPTIMIZATION_OPTIONS):
	Don't reset flag_gnu_linker.
	* config/mips/mips.c (override_options): Likewise.
	* doc/invoke.texi: Remove all mention of -fgnu-linker.

From-SVN: r74117

        * ssa.c, ssa-dce.c, ssa-ccp.c: Remove files.
        * Makefile.in (OBJS-common, GTFILES): Don't reference them.
        (gtype-desc.o, toplev.o, flow.o): Remove ssa.h.
        (ssa.o, ssa-dce.o, ssa-ccp.o): Remove.
        * flow.c: Don't include ssa.h.
        (set_phi_alternative_reg): Remove.
        (calculate_global_regs_live): Don't call it.
        (mark_used_regs): Don't handle PHI.
        * gengtype.c (open_base_files): Don't reference ssa.h.
        * rtl.def (PHI): Remove.
        * timevar.def (TV_TO_SSA, TV_SSA_CCP, TV_SSA_DCE, TV_FROM_SSA): Kill.
        * common.opt: Remove -fssa, -fssa-ccp, -fssa-dce.
        * opts.c (common_handle_option): Likewise.
        * toplev.c (f_options): Likewise.
        (DFI_ssa, DFI_ssa_ccp, DFI_ssa_dce, DFI_ussa): Remove.
        (dump_file): Update to match.
        (flag_ssa, flag_ssa_ccp, flag_ssa_dce): Remove.
        (rest_of_handle_ssa): Remove.
        (rest_of_compilation): Don't call it.
        * toplev.h (flag_ssa, flag_ssa_dce, flag_ssa_ccp): Remove.
        * doc/invoke.texi: Remove -fssa, -fssa-ccp, -fssa-dce.
        * doc/passes.texi (SSA optimizations): Remove.

        * gcc.dg/20020201-2.c: Remove.
        * gcc.dg/20020201-4.c: Remove.
        * gcc.dg/20020304-1.c: Remove.

From-SVN: r73789

	* cgraphunit.c (cgraph_expand_function): Use
	cgraph_possibly_inlined_p.
	* tree-optimize.c (tree_rest_of_compilation): Do not kill saved tree.

	* opts.c (common_handle_option): Do not set max-inline-insns.
	* params.def: Update comments.
	(PARAM_MAX_INLINE_INSNS): Kill.
	* invoke.texi (max-inline-insns): Kill.

From-SVN: r73384

	* toplev.c (rest_of_compilation): Fix webizer pass ordering.

	* cgraphunit.c (decide_is_function_needed):  Fix test dealing
	with functions implicitly made inline.

	* cgraphunit.c (cgraph_decide_inlining_incrementally):  New function.
	(cgraph_finalize_function): Use it.
	(cgraph_mark_inline): Allow incrmental decisions
	* invoke.texi (max-inline-slope, min-inline-insns): Kill.
	* params.def (PARAM_MAX_INLINE_SLOPE, PARAM_MIN_INLINE_INSNS): Kill.
	* tree-inline.c (limits_allow_inlining): Kill.
	(expand_call_inline): Always use unit-at-a-time path.

	* decl.c (start_cleanup_fn):  Set DECL_DECLARED_INLINE_P to deffer
	the expansion.

	* testsuite/g++.dg/opt/inline4.C: Do not use min-inline-insns
	parameter.
	* testsuite/gcc.dg/inline-2.c: Likewise.

From-SVN: r72721

	* Makefile.in (toplev.o): Add value-prof.h dependency.
	(value-prof.o): Add REGS_H dependency.
	* common.opt (fprofile-values, fvpt): New.
	* flags.h (flag_value_profile_transformations): Declare.
	* opts.c (common_handle_option): Handle -fprofile_values and
	-fvpt.
	* profile.c (branch_prob): Don't remove death notes here.
	* timevar.def (TV_VPT): New.
	* value-prof.c: Include regs.h.
	(insn_divmod_values_to_profile, gen_divmod_fixed_value, gen_mod_pow2,
	gen_mod_subtract, divmod_fixed_value_transform,mod_pow2_value_transform,
	mod_subtract_transform, value_profile_transformations): New.
	(insn_values_to_profile): Call insn_divmod_values_to_profile.
	(find_values_to_profile): Add dumps.
	* value-prof.h (value_profile_transformations): Declare.
	* toplev.c: Include value-prof.h.
	(rest_of_handle_value_profile_transformations): New.
	(enum dump_file_index): Add DFI_vpt.
	(dump_file): Add vpt dump.
	(flag_value_profile_transformations): New.
	(lang_independent_options): Add flag_profile_values and
	flag_value_profile_transformations.
	(rest_of_compilation): Call
	rest_of_handle_value_profile_transformations.
	(process_options): Let -fvpt imply -fprofile-values.
	* doc/invoke.texi (-fvpt): Document.

From-SVN: r72685

	* opts.c  (common_handle_option): Handle OPT_fweb
	* invoke.texi (-fweb): Add missing parts of documentation.

From-SVN: r72614

2003-10-17  Mostafa Hagog  <mustafa@il.ibm.com>

	* common.opt: Add description of the new -fgcse-las flag.
	* flags.h (flag_gcse_las): Declaration of global flag_gcse_las.
	* gcse.c (hash_scan_set): Handle the case of store expression and
	insert the memory expression to the hash table, this way we make it
	possible to discover redundant loads after stores and remove them.
	(pre_insert_copy_insn): moved the call to update_ld_motion_stores,
	to pre_insert_copies, it is not the correct place to call it after
	adding stores to be in the available expression hash table.
	(pre_insert_copies): Added the call to update_ld_motion_stores when
	one or more copies were inserted.
	* opts.c (common_handle_option): Handle the -fgcse-las flag.
	* toplev.c (flag_gcse_las): Initialization of flag_gcse_las.

	* doc/invoke.tex: Document new -fgcse-las flag.

From-SVN: r72612

	* Makefile.in (web.o): New.
	* web.c: New file.
	* rtl.h (web_main): Declare.
	* timervar.def (TV_WEB): New.
	* toplev.c (dump_file_index, dump_file_info): Add DFI_web.
	(rest_of_hanle_web): New.
	(flag_web): New static variable.
	(lang_independent_options): Add "web".
	(rest_of_compilation): Call rest_of_handle_web.
	* invoke.texi (-fweb): Document.
	* common.opt (fweb): New.
	* flags.h (flag_web): New.
	* opts.c (decode_options): Set flag_web at -O3.

	* passes.texi (web construction):  Document.
	* invoke.texi (-O3): Document that -fweb is enabled.

	* regrename.c (regrename_optimize): Deal better with situation when
	replacement failed.

	* sched-ebb.c: Include params.h and profile.h
	(schedule_ebbs):  Use tracer parameters to discover superblocks
	* Makefile.in (sched-ebb.o):  Add dependencies.

From-SVN: r72383

        * haifa-sched.c (ok_for_early_schedule): New function.
        (early_queue_to_ready): New function.
        (schedule_block): Allow early removal of insns from Q.
        (schedule_insn): Update INSN_TICK in case of premature
        issue.
        * common.opt (sched_stalled_insns): New flag.
        (sched_stalled_insns_dep): New flag.
        * flags.h: Same above flags.
        * opts.c: Same as above.
        * toplev.c: Same as above.
        * target.h (targetm.sched.is_costly_dependence): New
        hook.
        * target-def.h: Same as above.
        * config/rs6000/rs6000.h: (rs6000_sched_costly_dep):
        Support new flag -msched-costly-dep.
        (DEFAULT_SCHED_COSTLY_DEP): Define.
        * config/rs6000/rs6000.c:
        (rs6000_is_costly_dependence): New function.
        (is_load_insn, is_store_insn): New functions.
        (is_load_insn1, is_store_insn1, is_mem_ref): New
        functions.
        * doc/invoke.texi (-fsched-stalled-insns-dep)
        (-fsched-stalled-insns, -msched-costly-dep): Document
        options.
        * doc/tm.texi (is_costly_dependence): Define new
        scheduler target hook.

From-SVN: r72261

	* opts.c (decode_options): Enable unit-at-a-time at -O2.
	* params.def (max-inline-insns-single): Set to 500
	(max-inline-insns-auto): Set to 150
	* invoke.texi (max-inline-insns-single, max-inline-insns-auto): Update.

From-SVN: r71105

	* toplev.c (flag_rounding_math): New global variable.
	(f_options): Add to the list of language independent options.
	* flags.h (flag_rounding_math): Prototype here.
	(HONOR_SIGN_DEPENDENT_ROUNDING): Use flag_rounding_math instead.
	* common.opt (frounding-math): New common command line option.
	* opts.c (common_handle_option): Handle OPT_frounding_math.
	(set_fast_math_flags): -ffast-math clears flag_rounding_math.

	* doc/invoke.texi: Document this new command line option.

From-SVN: r71032

	* c-common.c: Fix comment formatting.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* cppinit.c: Likewise.
	* cpplib.h: Likewise.
	* emit-rtl.c: Likewise.
	* input.h: Likewise.
	* line-map.h: Likewise.
	* opts.c: Likewise.
	* opts.h: Likewise.
	* simplify-rtx.c: Likewise.

From-SVN: r70577

	* common.opt: Add debug switches.
	* flags.h (use_gnu_debug_info_extensions): Boolify.
	* opts.c (write_symbols, debug_info_level,
	use_gnu_debug_info_extensions): Move from toplev.c.
	(set_debug_level): New.
	(common_handle_options): Handle debug switches.
	(print_help): Display target options directly.
	* toplev.c (debug_hooks): Don't initialize.
	(write_symbols, debug_info_level,
	use_gnu_debug_info_extensions): Move to opts.c.
	(debug_args, display_help, decode_g_option): Remove.
	(process_options): Set no debug if level zero here,
	and no-debug-hooks.  Error here if impossible debug format selected.
	* toplev.h (display_help, decode_g_option): Remove.
testsuite:
	* lib/gcc-dg.exp: Update for diagnostic change.

From-SVN: r70253

	* opts.c (decode_options): Do language-specific initialization for
	the global diagnostic context.
	* langhooks-def.h (lhd_initialize_diagnostics): Declare.
	(LANG_HOOKS_INITIALIZE_DIAGNOSTITCS): New macro.
	(LANG_HOOKS_INITIALIZER): Adjust.
	* langhooks.h (struct lang_hooks): Add new field
	initialize_diagnostics.
	* langhooks.c (lhd_initialize_diagnostics): Define.

From-SVN: r70129

	* opts.c (in_fnames, num_in_fnames):  Moved here from c-opts.
	(add_input_filename):  New function.
	(handle_options):  Call add_input_filename directly instead of
	with a lang hook.
	* opts.h (in_fnames, num_in_fnames):  Moved here.
	(add_input_filename):  Declare.
	* c-decl.c:  Need to #include opts.h.
	* Makefile.in (c-decl.o):  Also depends on opts.h.
	* c-opts.c (in_fnames, num_in_fnames):  Moved to opts.c.
	(c_common_handle_filename):  Replaced by add_input_filename.
	* c-common.h (in_fnames, num_in_fnames, c_common_handle_filename):
	Remove.
	* langhooks.h (struct lang_hooks):  Remove handle_filename hook.
	* langhooks-def.h (LANG_HOOKS_HANDLE_FILENAME):  Remove macro.
	(LANG_HOOKS_INITIALIZER):  Remove use of LANG_HOOKS_HANDLE_FILENAME.
	* c-lang.c (LANG_HOOKS_HANDLE_FILENAME):  Remove macro.

From-SVN: r70012

        Remove pedwarn_with_decl, warning_with_decl and error_with_decl
        from GCC.
        * calls.c (try_to_integrate): Don't use xxx_with_decl.
        (expand_call): Likewise.
        * dwarfout.c (output_reg_number): Likewise.
        * expr.c (expand_expr): Likewise.
        * function.c (assign_temp): Likewise.
        (uninitialized_vars_warning): Likewise.
        (setjmp_args_warning): Likewise.
        (expand_function_end): Likewise.
        * stmt.c (fixup_gotos): Likewise.
        (warn_about_unused_variables): Likewise.
        (expand_end_bindings): Likewise.
        * stor-layout.c (layout_decl): Likewise.
        (place_field): Likewise.
        * toplev.c (check_global_declarations): Likewise.
        (rest_of_handle_inlining): Likewise.
        (default_tree_printer): New function.
        (general_init): Initialize diagnostic machinery before routing
        signals to the ICE machinery.  Set default tree printer.
        * toplev.h (pedwarn_with_decl): Remove declaration.
        (warning_with_decl): Likewise.
        (error_with_decl): Likewise.
        (pedwarn): Remove attribute for the time being.
        * tree-inline.c (expand_call_inline): Don't use xxx_with_decl.
        * varasm.c (named_section): Likewise.
        (make_decl_rtl): Likewise.
        (assemble_variable): Likewise.
        (merge_weak): Likewise.
        (declare_weak): Likewise.

        * diagnostic.h: Move non-diagnostic stuff into pretty-print.h.
        * diagnostic.c: Move non-diagnostic stuff into pretty-print.c.
        (format_with_decl): Remove.
        (diagnostic_for_decl): Likewise.
        (pedwarn_with_decl): Likewise.
        (warning_with_decl): Likewise.
        (error_with_decl): Likewise.
        (diagnostic_initialize): Adjust.
        (diagnostic_count_diagnostic): Likewise.
        (announce_function): Likewise.
        (lhd_print_error_function): Likewise.
        (diagnostic_report_current_module): Likewise.
        (default_diagnostic_starter): Likewise.
        (diagnostic_report_diagnostic): Likewise.
        (default_diagnostic_finalizer): Likewise.
        (verbatim): Likewise.
        (error): Likewise.
        (warning): Likewise.
        * opts.c (common_handle_option): Likewise.
        * pretty-print.c: New file.
        * c-pretty-print.h (pp_base): Override.
        * c-pretty-print.c: Adjust use of macros throughout.
        (pp_buffer): New macro.
        (pp_newline): Likewise.
        * c-objc-common.c (c_tree_printer): Adjust prototype. Tidy.
        * Makefile.in (DIAGNOSTIC_H): New variable.
        (c-errors.o): Use it.
        (c-objc-common.o): Likewise.
        (c-common.o): Likewise.
        (c-opts.o): Likewise.
        (c-format.o): Likewise.
        (diagnostic.o): Likewise.
        (opts.o): Likewise.
        (toplev.o): Likewise.
        (rtl-error.o): Likewise.
        (dwarf2out.o): Likewise.
        (jump.o): Likewise.
        (pretty-print.o): New rule.

cp/
        * Make-lang.in (cp/error.o): Depend on DIAGNOSTIC_H.
        * error.c: Use the new pretty-printer fraamework.

From-SVN: r69773

	* common.opt:  Document --param.
	* opts.c (columns, undocumented_msg): New.
	(print_help): Get number of columns from environment.  Print
	--param help.  Tweak newline handling.
	(print_param_help): New.
	(print_filtered_help): Better handling of duplicates.  Complain
	about undocumented switches.
	(print_switch): New.
	(wrap_help): Improve wrapping, use COLUMNS.
	* opts.sh: Ignore comments in records.
	* params.def: Fix typos and remove trailing periods.
	* toplev.c (display_help): Don't dump --param help.
	* doc/sourcebuild.texi: Update.
java:
	* lang.opt: Don't show -MD_ and -MDD_.

From-SVN: r69581

	* c.opt: Document Uncodumented; use it.  Document ObjC options.
	* opts.c (print_filtered_help): Skip undocumented switches.
	* opts.h (CL_UNDOCUMENTED): New.
	* opts.sh: Handle Undocumented.
	* toplev.c (documented_lang_options): Prevent its becoming empty.
f:
	* lang-options.h: Remove.
	* lang.opt: Document most options.
objc:
	* lang-options.h: Remove.

From-SVN: r69494

	* c-opts.c (print_help): Remove.
	(c_common_handle_option): Don't handle --help.
	* c.opt: Document some options.
	(--help): Remove.
	* opts.c (print_filtered_help): New.
	(print_help): Use it.

From-SVN: r69383

	* common.opt: More --help messages.
	* opts.c (print_help): Use puts().
	* toplev.c (f_options): Remove help text.
	(display_help): Don't dump f_options.

From-SVN: r69217

	* opts.c (wrap_help): Only pass int arguments as arguments to
	printf's '*' modifier.  Change argument of function.

From-SVN: r69124

From-SVN: r69106

	* Makefile.in: Update.
	* c-opts.c (c_common_handle_option): opt_text now contains the '-'.
	* c.opt: Update documentation.
	* common.opt: Add some help text.
	* opts.c: Include intl.h.
	(wrap_help, print_help): New.
	(find_opt, handle_option, common_handle_option): opt_text now
	contains the '-'.  Use print_help to output help.
	* opts.h (struct cl_option): New member "help".
	* opts.sh: Update to handle help text output and to prepend
	options with '-'.
	* toplev.c (display_help): Remove some help text.

From-SVN: r69068

opts.c (common_handle_option): Correct handling of the -falign- switches that do and don't take an argument.

	* opts.c (common_handle_option): Correct handling of the
	-falign- switches that do and don't take an argument.

From-SVN: r69053

	* c-common.h (c_comon_handle_filename,
	c_common_missing_arguement): New.
	* c-lang.c (LANG_HOOKS_HANDLE_FILENAME,
	LANG_HOOKS_MISSING_ARGUMENT): New.
	* c-opts.c (missing_arg): Rename c_common_missing_argument,
	update to be an appropriate langhook.
	(c_common_handle_option): Don't handle filenames.
	(c_common_handle_filename): New.
	* hooks.c (hook_void_constcharptr,
	hook_bool_constcharptr_size_t_false): New.
	* hooks.h (hook_void_constcharptr,
	hook_bool_constcharptr_size_t_false): New.
	* langhooks-def.h (LANG_HOOKS_HANDLE_FILENAME,
	LANG_HOOKS_MISSING_ARGUMENT): New.
	(LANG_HOOKS_INITIALIZER): Update.
	* langhooks.h (struct lang_hooks): Add handle_filename and
	missing_argument.
	* opts.c (handle_option): Don't handle filenames here, but ...
	(handle_options): ... here.
	(common_handle_option): Don't handle missing arguments here.
	* objc/objc-lang.c (LANG_HOOKS_HANDLE_FILENAME,
	LANG_HOOKS_MISSING_ARGUMENT): New.
ada:
	* misc.c (gnat_handle_option): Don't handle filenames.
cp:
	* cp-lang.c (LANG_HOOKS_HANDLE_FILENAME,
	LANG_HOOKS_MISSING_ARGUMENT): Override.
f:
	* top.c (ffe_handle_option): Don't handle filenames.
java:
	* lang.c (java_handle_option): Don't handle filenames.

From-SVN: r69011

From-SVN: r68939

	* c-common.h (c_common_init_options): New prototype.
	* c-opts.c (deferred_size): Remove.
	(defer_opt): Array is now pre-allocated.
	(c_common_init_options): Pre-allocate deferred_opts.  Make
	lang_flags unsigned.
	(push_command_line_options): Free deferred_opts.
	* hooks.c (hook_uint_uint_constcharptrptr_0): New.
	* hooks.h (hook_uint_uint_constcharptrptr_0): New.
	* langhooks-def.h (LANG_HOOKS_INIT_OPTIONS): Update.
	* langhooks.h (struct lang_hooks): New prototype for init_options.
	* main.c (main): Cast argv.
	* opts.c (handle_option, handle_options): Update prototypes.
	(decode_options): save_argc, save_argv are not global.  Constify.
	* opts.h (decode_options): New prototype.
	* toplev.c (general_init): New protoype.
	(save_argv): Make static.
	(save_argc): Remove.
	(print_switch_values, general_init): Constify.
	(toplev_main): Save argv.
	* toplev.h (toplev_main): Update prototype.
	(save_argc, save_argv): Remove.
ada:
	* misc.c (save_argc, save_argv): Make static.
	(gnat_init_options): New prototype.
	(gnat_init_options): Update.
f:
	* top.c (ffe_init_options): Update prototype.
	* top.h (ffe_init_options): Update prototype.
java:
	* lang.c (java_init_options): Update prototype.
treelang:
	* tree1.c (treelang_init_options): Update prototype.
	* treelang.h (treelang_init_options): Update prototype.

From-SVN: r68850

2003-06-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

	* opts.c: Include insn-attr.h.
	* Makefile.in (opts.o): Depend on INSN_ATTR_H.

From-SVN: r68657

	* Makefile.in: Update.
	* opts.c: Include tm_p.h.
	(handle_options): Make static.
	(decode_options): Copied from toplev.c.
	* opts.h (decode_options): New.
	* toplev.c (parse_options_and_default_flags): Move most to opts.c,
	some to...
	(general_init): ...here.
	(toplev_main): Use decode_options instead.
	* toplev.h (save_argc, save_argv): New.

From-SVN: r68629

        * final.c (debug_flush_symbol_queue): New function.
        (debug_queue_symbol): New function.
        (debug_free_queue): New function.
        (debug_nesting): New variable.
        (symbol_queue): New variable.
        (symbol_queue_index): Same.
        (symbol_queue_size): Same.
        * debug.h (debug_flush_symbol_queue): New.
        (debug_queue_symbol): New.
        (debug_free_queue): New.
        (debug_nesting): New.
        (symbol_queue_index): New.
        * dbxout.c (DBXOUT_DECR_NESTING): New macro.
        (DBXOUT_DECR_NESTING_AND_RETURN): New macro.
        (dbxout_init): Delay symbol output.
        (dbxout_global_decl): Save, set and reset TREE_USED bit around dbxout_symbol()
        call.
        (dbxout_begin_function): Same.
        (dbxout_finish): Free symbol queue.
        (dbxout_type): Put appropriate symbols in queue.
        (dbxout_symbol): Put info for symbol's type in queue. Decrement/Increment
        nesting counts flush symbol queue appropriately.
        (dbxout_parms): Increment dbxout nesting.
        (dbxout_reg_parms): Same.
        * flags.h (flag_debug_only_used_symbols): New.
        * toplev.c (flag_debug_only_used_symbols): New variable.
        (lang_independent_options): Add entries for new option -feliminate-unused-debug-symbols.
        * common.opt: Add entry for -feliminate-unused-debug-symbols.
        * opts.c (common_handle_options): Same.
        * config/rs6000/darwin.h (CC1_SPEC): Interpret -gused as -feliminate-unused-debug-symbols.
        * doc/invoke.texi (Debugging Options): Document -feliminate-unused-debug-symbols.

From-SVN: r68556

	* c-opts.c (missing_arg): Make non-static.
	(c_common_handle_option): Don't check for missing arguments.
	* opts.c (handle_option): Check for missing arguments.
ada:
	* misc.c (gnat_handle_option): Don't check for missing arguments.
f:
	* top.c (ffe_handle_option): Don't check for missing arguments.
java:
	* lang.c (java_handle_option): Don't check for missing arguments.
testsuite:
	* const-str-2.m: Update.

From-SVN: r68517

	* c-opts.c (complain_wrong_lang, write_langs): Remove.
	(c_common_handle_option): Complaints about wrong language are
	handled in opts.c now.
	* opts.c (complain_wrong_lang, write_langs, handle_options): New.
	(find_opt): Fix thinko.
	(handle_option): Update prototype.  Complain about switches for
	a different front end.
	* opts.h (lang_names, handle_options): New.
	(handle_option): Remove.
	* opts.sh: Write out language names array.
	* toplev.c (parse_options_and_default_flags): Use handle_options.

From-SVN: r68495

	* opts.c (common_handle_option): Add missing break;s.
f:
	* top.c (ffe_handle_option): Add missing break;.

From-SVN: r68457

	* common.opt: Add -finline-limit.
	* opts.c (common_handle_options): Handle it.
	* opts.sh: Temporary kludge for -finline-limit.
	* toplev.c (decode_f_option, independent_decode_option): Die.
	(parse_options_and_default_flags): No independent_decode_option.

From-SVN: r68348

	* common.opt: More -f switches.
	* opts.c (common_handle_options): Handle them.
	* toplev.c (time_report): Make extern.
	(f_options): USe flag_dummy.
	(decode_f_option): No need to use f_options now.
	* toplev.h (flag_cprop_registers, flag_ssa, flag_ssa_ccp,
	flag_ssa_dce, time_report, flag_new_regalloc): Make extern.

From-SVN: r68328

	* opts.c (find_opt): Fix to always guarantee a find of a
	switch with joined parameter.
	* opts.h (struct cl_option): New member back_chain.
	* opts.sh: Update to calculate and add back_chain member.

From-SVN: r68324

	* Makefile.in: Update.
	* common.opt: New switches.
	* opts.c: Include diagnostic.h.
	(common_handle_option): Handle new switches.
	* toplev.c (flag_loop_optimize, flag_crossjumping, flag_if_conversion,
	flag_if_conversion2, flag_delete_null_pointer_checks,
	flag_rerun_cse_after_loop): Make extern.
	(flag_dummy): New.
	(f_options): Update to use flag_dummy for moved options.
	(decode_f_option): Some switches moved to opts.c.
	* toplev.h (flag_loop_optimize, flag_crossjumping, flag_if_conversion,
	flag_if_conversion2, flag_delete_null_pointer_checks,
	flag_rerun_cse_after_loop, flag_keep_static_consts, flag_peel_loops,
	flag_tracer, flag_thread_jumps, flag_unroll_loops,
	flag_unroll_all_loops, flag_unswitch_loops): New.
f:
	* lang.opt: Add -fpreprocessed.
	* top.c (ffe_handle_option): Handle it.

From-SVN: r68315

	* Makefile.in: Update.
	* c-opts.c (c_common_handle_option): Don't return -1.
	* common.opt: New switches.
	* opts.c: Include rtl.h, ggc.h and output.h.
	(find_opt): Only stop searching when input switch compares
	less than the stored switch.  Continue searching if greater.
	(handle_option): No need to handle negative return values.
	(common_handle_option): Handle new switches.
	(set_fast_math_flags, fast_math_flags_set_p): New.
	* toplev.c (set_fast_math_flags, fast_math_flags_set_p):
	Move to opts.c.
	(decode_f_option): Some switches moved to opts.c.
	(parse_options_and_default_flags): No need to cater for negative
	return values.
f:
	* top.c (ffe_handle_option): No need to return -1 any more.

From-SVN: r68307

	* c-decl.c (store_parm_decls): Make saved_warn_shadow boolean.
	* common.opt: Add remaining -W options and -g.
	* diagnostic.c (warnings_are_errors): Remove.
	* flags.h: Make most warning flags boolean.
	* opts.c (common_handle_option): Handle remaining -W options, and -g.
	Move many warning flags from toplev.c, making them boolean.
	* toplev.c: Remove many warning flags.
	(decode_W_option): Remove.
	(decode_g_option): Make extern.  Error on unknown switch.
	(lang_independent_W_options): Use warn_dummy.
	(independent_decode_option): Just handle -f switches now.
	* toplev.h (decode_g_option): New.

From-SVN: r68287

	* Makefile.in: Update.
	* common.opt: New options.
	* opts.c (maybe_warn_unused_parameter, set_Wextra, handle_param,
	set_Wunused): New.
	(common_handle_option): Handle new options.
	* toplev.c (set_target_switch): Export.
	(set_Wextra, set_Wunused, maybe_warn_unused_parameter): Move to opts.c.
	(decode_W_option): -Wunused and -Wextra handled in opts.c now.
	(independent_decode_option): More options handled in opts.c now.
	Change prototype.
	* toplev.h (set_target_switch): New.

From-SVN: r68138