* ira-build.c (merge_hard_reg_conflicts): New function.

	* ira-build.c (merge_hard_reg_conflicts): New function.
	(create_cap_allocno, copy_info_to_removed_store_destinations,
	propagate_some_info_from_allocno, propagate_allocno_info): Use it.
	(move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
	(remove_unnecessary_allocnos, remove_low_level_allocnos)
	copy_nifo_to_removed_store_destination): Use them.
	* ira-lives.c (make_hard_regno_born): New function, split out of
	make_regno_born.
	(make_allocno_born): Likewise.
	(make_hard_regno_dead): New function, split out of make_regno_dead.
	(make_allocno_dead): Likewise.
	(inc_register_pressure): New function, split out of set_allocno_live.
	(dec_register_pressure): New function, split out of clear_allocno_live.
	(mark_pseudo_regno_live): New function, split out of mark_reg_live.
	(mark_hard_reg_live): Likewise.  Use inc_register_pressure.
	(mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
	(mark_hard_reg_dead): Likewise.  Use dec_register_pressure.
	(make_pseudo_conflict): Use mark_pseudo_regno_dead and
	mark_pseudo_regno_live.
	(process_bb_node_lives): Use mark_pseudo_regno_live,
	make_hard_regno_born and make_allocno_dead.
	(make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
	set_allocno_live, clear_allocno_live): Delete functions.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161346 138bc75d-0d04-0410-961f-82ee72b054a4