* config/m32r/m32r-opts.h: New.
	* config/m32r/m32r.c (m32r_model, m32r_sdata): Remove.
	(m32r_handle_option): Don't assert that global structures are in
	use.  Access target_flags and m32r_cache_flush_func via opts
	pointer.  Don't handle OPT_mmodel_, OPT_msdata_ or
	OPT_mno_flush_trap here.
	* config/m32r/m32r.h (Code Models, Small Data Area): Replace by
	include of m32r-opts.h.
	* config/m32r/m32r.opt (config/m32r/m32r-opts.h): New
	HeaderInclude entry.
	(m32r_model_selected, m32r_sdata_selected): New Variable entries.
	(mmodel=): Use Enum and Var.
	(m32r_model): New Enum and EnumValue entries.
	(mno-flush-trap): Use Var.
	(msdata=): Use Enum and Var.
	(m32r_sdata): New Enum and EnumValue entries.

From-SVN: r171321