* regmove.c (copy_src_to_dest): Remove loop_depth parameter.

	(optimize_reg_copy_1): Remove REG_N_REFS updating code.
	(optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
	(regmove_optimize, fixup_match_1): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30986 138bc75d-0d04-0410-961f-82ee72b054a4