Next step in extract_insn changes

[Jeffrey A Law]

  In message <Pine.GSO.4.02A.9810261359140.29793-100000@colt.informatik.rwth-aa
chen.de>you write:
  > 	* recog.h (enum op_type): Define.
  > 	(constrain_operands): Adjust prototype.
  > 	(recog_op_type): Declare new variable.
  > 	* recog.c (recog_op_type): New variable.
  > 	(insn_invalid_p): Allow modifying an asm statement after reload.
  > 	(extract_insn): Set up recog_op_type.
  > 	(constrain_operands): Lose INSN_CODE_NUM arg.  All callers changed.
  > 	Don't compute operand types, use recog_op_type.
  > 	Use the information computed by extract_insn instead of the previous
  > 	method of finding it by insn code number.
  > 	* caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
  > 	* reorg.c (fill_slots_from_thread): Likewise.
  > 	* reload1.c (reload_as_needed): Likewise.
  > 	(gen_reload): Likewise.
  > 	(inc_for_reload): Likewise.
  > 	(reload_cse_simplify_operands): Likewise.
  > 	Use the information computed by extract_insn instead of the previous
  > 	method of finding it by insn code number.
  > 	* genattrtab.c (write_attr_case): Generate call to extract_insn, not
  > 	insn_extract.
  > 	* final.c (final_scan_insn): Use extract_insn, not insn_extract.
  > 	Use the information computed by extract_insn instead of the previous
  > 	method of finding it by insn code number.
  > 	* regmove.c (find_matches): Likewise.  Change meaning of the return
  > 	value to be nonzero if the optimization can be performed, zero if
  > 	not.  All callers changed.
  > 	Shorten some variable names to fix formatting problems.
  > 	(regmove_optimize): Shorten some variable names to fix formatting
  > 	problems.
  > 	Use the information computed by extract_insn instead of the previous
  > 	method of finding it by insn code number.
  > 	* regclass.c (scan_one_insn): Likewise.
  > 	(record_reg_classes): Don't compute operand types, use recog_op_type.
  > 	* reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
  > 	recog_constraints instead.
I updated this slightly to work with the recent cleanup_operand_subreg changes
and installed the patch.

Thanks!

Jeff