* defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)

* defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
	(MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
	(REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
	* regclass.c (record_address_regs): Remove ifdef.  Use
	REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
	* regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
	definition.
	(scan_rtx_address, replace_oldest_value_addr): Use
	REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
	* reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
	unnecessary definitions.
	(find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
	and MODE_BASE_REG_REG_CLASS.
	* config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
	(MODE_BASE_REG_REG_CLASS): Define.
	(REGNO_MODE_OK_FOR_REG_BASE_P): Define.
	(REG_MODE_OK_FOR_REG_BASE_P): Define.
	* doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
	REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.

From-SVN: r88948