Register_translation_unit
4	4	*2	#nb_front_end       
1	1	*2	#nb_context          [0] [nb_front_end]
1	1	*2	#nb_context          [1] [nb_front_end]
1	1	*2	#nb_context          [2] [nb_front_end]
1	1	*2	#nb_context          [3] [nb_front_end]
256	256	*2	#nb_general_register
32	32	*2	#nb_special_register
4	4	*4	#nb_inst_insert     
4	4	*4	#nb_inst_retire     
4	4	*4	#nb_reg_free        
8	8	*2	#nb_bank