* config/sh/sh.opt (mfixed-range): New option.
	* config/sh/sh-protos.h (sh_fix_range): Declare.
	* config/sh/sh.c (sh_fix_range): New function.
	* config/sh/sh.h (sh_fixed_range_str): Declare.
	(OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
	is not empty.
	* doc/invoke.texi (SH Options): Document -mfixed-range.

From-SVN: r135779