regclass.c (record_reg_classes): '?' increases cost by two.

regclass.c (record_reg_classes): '?' increases cost by two.

	* regclass.c (record_reg_classes): '?' increases cost by two.
	* reload.c (find_reloads): Double previous costs.  Output
	reloads cost one unit extra.
	* reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
	boiled down to && ! 0.
	* reload.c (find_equiv_reg): Also consider a goal offset from the
	frame pointer to be constant.

From-SVN: r18842