gcc/
	* read-md.h (read_rtx_lineno): Rename to...
	(read_md_lineno): ...this.
	(read_rtx_filename): Rename to...
	(read_md_filename): ...this.
	(copy_rtx_ptr_loc): Rename to...
	(copy_md_ptr_loc): ...this.
	(print_rtx_ptr_loc): Rename to...
	(print_md_ptr_loc): ...this.
	* read-md.c: Likewise.  Update references after renaming.
	(string_obstack): Replace RTL with MD in comment.
	(set_rtx_ptr_loc): Rename to...
	(set_md_ptr_loc): ...this.
	(get_rtx_ptr_loc): Rename to...
	(get_md_ptr_loc): ...this.
	* genconditions.c: Update references after renaming.
	* genemit.c: Likewise.
	* genoutput.c: Likewise.
	* genpreds.c: Likewise.
	* gensupport.c: Likewise.
	* read-rtl.c: Likewise.

From-SVN: r160571