gcc/
	* df.h (df_ref_change_reg_with_loc): Remove old_regno parameter.
	Change type of new_regno to unsigned int.
	* df-scan.c (df_ref_change_reg_with_loc_1): Change type of
	new_regno to unsigned int.
	(df_ref_change_reg_with_loc): Remove old_regno parameter.
	Change type of new_regno to unsigned int.  Use SET_REGNO_RAW.
	* rtl.h (SET_REGNO): Update call to df_ref_change_reg_with_loc.
	(SET_REGNO_RAW): Add space after ",".

From-SVN: r223338