* config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes.
	(TARGET_SCHED_ADJUST_COST, TARGET_SCHED_VARIABLE_ISSUE,
	TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_FINISH_GLOBAL,
	TARGET_SCHED_INIT, TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
	TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Redefine.
	(m68k_sched_attr_type2): New function.
	(sched_adjust_cost_state): New static variable.
	(m68k_sched_adjust_cost): New static function implementing
	scheduler hook.
	(sched_ib_size, sched_ib_filled, sched_ib_insn, sched_mem_unit_code):
	New static variables.
	(m68k_sched_variable_issue): New static function implementing
	scheduler hook.
	(sched_dump_class_def, sched_dump_class_func_t): New typedefs.
	(sched_dump_split_class): New static function.
	(sched_dump_dfa_guess_unit_code, sched_dump_dfa_state): New static
	variables.
	(sched_dump_dfa_class, m68k_sched_dump): New static function.
	(m68k_sched_md_init_global, m68k_sched_md_finish_global,
	m68k_sched_md_init, m68k_sched_dfa_pre_advance_cycle,
	m68k_sched_dfa_post_advance_cycle): New static functions implementing
	scheduler hooks.

	* config/m68k/m68k.h (m68k_sched_attr_type2): Declare.
	(CPU_UNITS_QUERY): Define.

	* config/m68k/cf.md: New file.
	* config/m68k/m68.md (cf.md): New include.

From-SVN: r129938