(CGEN_HW_ENTRY): New member `type'.
(hw_list): Delete decl.
(enum cgen_mode): Declare.
(CGEN_OPERAND): New member `hw'.
(enum cgen_operand_instance_type): Declare.
(CGEN_OPERAND_INSTANCE): New type.
(CGEN_INSN): New member `operands'.
(CGEN_OPCODE_DATA): Make hw_list const.
(get_insn_operands,lookup_insn): Add prototypes for.
(CGEN_ATTR): Make unsigned char.
(CGEN_ATTR_TYPE): Update.
(CGEN_ATTR_{ENTRY,TABLE}): New types.
(cgen_base): Move member `attrs' to cgen_insn.
(CGEN_KEYWORD): New member `null_entry'.
(CGEN_{SYNTAX,FORMAT}): New types.
(cgen_insn): Format and syntax separated from each other.
