gcc/
	* Makefile.in (recog.o): Add insn-codes.h.
	* expr.h (extraction_pattern): Move to optabs.h.
	(mode_for_extraction): Delete.
	* optabs.h (extraction_insn): New structure.
	(extraction_pattern): Moved from expr.h.
	(get_best_reg_extraction_insn, get_best_mem_extraction_insn): Declare.
	* optabs.c (HAVE_insv, CODE_FOR_insv, HAVE_extv, CODE_FOR_extv)
	(HAVE_extzv, CODE_FOR_extzv): Provide defaults.
	(extraction_type): New enum.
	(get_traditional_extraction_insn, get_extraction_insn)
	(get_best_reg_extraction_insn, get_best_mem_extraction_insn):
	New functions.
	* combine.c (make_extraction): Use get_best_reg_extraction_insn
	instead of mode_for_extraction.
	* expmed.c (HAVE_insv, CODE_FOR_insv, gen_insv, HAVE_extv)
	(CODE_FOR_extv, gen_extv, HAVE_extzv, CODE_FOR_extzv, gen_extzv):
	Remove fallback definitions.
	(mode_for_extraction): Delete.
	(adjust_bit_field_mem_for_reg): New function.
	(store_bit_field_using_insv): Replace OP_MODE parameter with
	an extraction_insn.  Pass struct_mode to narrow_bit_field_mem.
	(extract_bit_field_using_extv): Likewise EXT_MODE.
	(store_bit_field_1): Use get_best_reg_extraction_insn and
	get_best_mem_extraction_insn instead of mode_for_extraction.
	Use adjust_bit_field_mem_for_reg when forcing memory to a
	register and doing a register insertion.  Update calls to
	store_bit_field_using_insv.
	(extract_bit_field_1): Likewise extractions and calls to
	extract_bit_field_using_extv.
	(store_Bit_field): When narrowing to a bitregion, don't use the
	insv mode as a limit.
	* recog.c: (HAVE_extv, CODE_FOR_extv, HAVE_extzv, CODE_FOR_extzv):
	Provide defaults.
	(simplify_while_replacing): Use insn_data instead of
	mode_for_extraction.

From-SVN: r193605