(4)JUMPO, 2) (7)(+,x,1,t3) (10)(:=,14m) (11)(LT,x,10,t5) (12)(JUMPO, L3) (13)(-,i,1,t) (14)(*,t6,10,t7) (16)(+,7,t8,9) (17)(*,p9,1,t10) (18)(D,A,tl0,tl) (19)(+,tll,m,tl2) (20)(:=,t2,y) (22)(LABLE, L3) (23)(-,i,l,3) (24)(*,t13,10,t4) (26)(+,tl4,tl5,tl6) (27)(*,tl6,l,tl7 (28)( (30)(LABLE, L4) 10.t20 (32)(:=,t20,n) (33)(JUMP,L1) (34)( LABLE, L2 优化后的中间代码 (1)(:=,3,z) (2)( LABLE,LI) (4)(JUMPO, L2) (5)(+,x,1,2) (6)(:=,1,J)(4) (JUMP0,L2) (5) ( + , x , 1 ,t2 ) (6) ( : = , t2 , j ) (7) ( + , x , 1 ,t3 ) (8) ( : = , t3 , x ) (9) ( + , x , 1 , t4 ) (10) ( : = , t4 ,m ) (11) ( LT , x ,10 , t5) (12) ( JUMP0, L3) (13) ( - , i ,1 , t6 ) (14) ( * , t6, 10 , t7) (15) ( - , j , 1 ,t8) (16) ( + , t7 , t8 ,t9) (17) (* , t9 , 1, t10) (18) ( [], A ,t10 , t11) (19) (+, t11,m ,t12) (20) ( : = , t12 , y ) (21) (JUMP, L4) (22) (LABLE, L3) (23) ( - , i , 1 ,t13 ) (24) ( * ,t13 ,10 , t14 ) (25) ( - , j , 1 , t15 ) (26) ( + , t14 , t15 , t16) (27) (* , t16 , 1 ,t17 ) (28) ( [], A , t17 , t18 ) (29) ( - , t18 , m ,t19 ) (30) (LABLE , L4) (31) ( + , z , 10, t20 ) (32) ( : = , t20, n) (33) ( JUMP, L1 ) (34) ( LABLE, L2 ) 优化后的中间代码： (1) (: = , 3 , z ) (2) ( LABLE,L1) (3) ( LT, j , 10 , t1) (4) (JUMP0,L2) (5) ( + , x , 1 ,t2 ) (6) ( : = , t2 , j )