gcc/ChangeLog:

2016-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* store-motion.c (struct st_expr): Make pattern_regs a vector.
	(extract_mentioned_regs): Append to a vector instead of
	returning a rtx_expr_list.
	(st_expr_entry): Adjust.
	(free_st_expr_entry): Likewise.
	(store_ops_ok): Likewise.
	(store_killed_in_insn): Likewise.
	(find_moveable_store): Likewise.

From-SVN: r238812