cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or -Wcast-qual warnings.

cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or -Wcast-qual warnings.

	* cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
	-Wcast-qual warnings.
	* gcc.c (process_command): Likewise.
	* genattrtab.c (oballoc): Use XOBNEW.
	(oballocvec): Define.
	(attr_hash_add_rtx, attr_hash_add_string, attr_string,
	get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
	gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
	-Wc++-compat and/or -Wcast-qual warnings.
	* genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
	XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
	(gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
	gen_presence_absence_set, gen_automaton, gen_regexp_el,
	gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
	gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
	add_excls, process_presence_absence_names,
	process_presence_absence_patterns, add_presence_absence,
	process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
	get_free_state, add_arc, get_free_automata_list_el,
	form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
	transform_3, cache_presence, create_ainsns, create_automata,
	create_state_ainsn_table, dfa_insn_code_enlarge,
	output_trans_func, output_min_issue_delay_func,
	output_dead_lock_func, output_reset_func,
	output_get_cpu_unit_code_func, output_dfa_start_func,
	expand_automata): Likewise.
	* genextract.c (gen_insn): Likewise.
	* gengtype-lex.l: Likewise.
	* gengtype.c (read_input_list, adjust_field_type,
	process_gc_options): Likewise.
	* genoutput.c (note_constraint): Likewise.
	* genpreds.c (mangle, add_constraint): Likewise.
	* genrecog.c (process_define_predicate, new_decision,
	add_to_sequence): Likewise.
	* gensupport.c (record_insn_name): Likewise.

From-SVN: r137135