* cgen.h (CGEN_ATTR_TYPE): Delete `const', moved to uses.

	* cgen.h (CGEN_ATTR_TYPE): Delete `const', moved to uses.
	(cgen_asm_finish_insn): Update prototype.
	(cgen_insn): New members num, data.
	(CGEN_INSN_TABLE): Members asm_hash, asm_hash_table_size,
	dis_hash, dis_hash_table_size moved to ...
	(CGEN_OPCODE_TABLE).  Here.  Renamed from CGEN_OPCODE_DATA.
	All uses updated.  New members asm_hash_p, dis_hash_p.
	(CGEN_MINSN_EXPANSION): New struct.
	(cgen_expand_macro_insn): Declare.
	(cgen_macro_insn_count): Declare.
	(get_insn_operands): Update prototype.
	(lookup_get_insn_operands): Declare.