gcc/
	* rtl.h (classify_insn): Declare.
	* emit-rtl.c (classify_insn): Move to...
	* rtl.c: ...here and add generator support.
	* gensupport.h (get_emit_function, needs_barrier_p): Declare.
	* gensupport.c (get_emit_function, needs_barrier_p): New functions.
	* genemit.c (gen_emit_seq): New function.
	(gen_expand, gen_split): Use it.

From-SVN: r224470