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      1 
      2 .EXTERN MY_LABEL2;
      3 .section .text;
      4 
      5 //
      6 //7 LOGICAL OPERATIONS
      7 //
      8 
      9 //Dreg = Dreg & Dreg ; /* (a) */
     10 
     11 R7 = R7 & R7;
     12 R7 = R7 & R0;
     13 r7 = R7 & R1;
     14 
     15 R1 = R7 & R7;
     16 R2 = R7 & R0;
     17 r3 = R7 & R1;
     18 
     19 //Dreg = ~ Dreg ; /* (a)*/
     20 
     21 R7 = ~R7;
     22 R7 = ~R0;
     23 R0 = ~R7;
     24 R0 = ~R2;
     25 
     26 //Dreg = Dreg | Dreg ; /* (a) */
     27 
     28 R7 = R7 | R7;
     29 R7 = R7 | R1;
     30 R7 = R7 | R0;
     31 
     32 R1 = R7 | R7;
     33 R2 = R7 | R1;
     34 R3 = R7 | R0;
     35 
     36 //Dreg = Dreg ^ Dreg ; /* (a) */
     37 
     38 R7 = R7 ^ R7;
     39 R7 = R7 ^ R1;
     40 R7 = R7 ^ R0;
     41 
     42 R1 = R7 ^ R7;
     43 R2 = R7 ^ R1;
     44 R3 = R7 ^ R0;
     45 
     46 //Dreg_lo = CC = BXORSHIFT ( A0, Dreg ) ; /* (b) */
     47 R0.L = CC = BXORSHIFT(A0, R0);
     48 R0.L = CC = BXORSHIFT(A0, R1);
     49 
     50 R3.L = CC = BXORSHIFT(A0, R0);
     51 R3.L = CC = BXORSHIFT(A0, R1);
     52 
     53 //Dreg_lo = CC = BXOR ( A0, Dreg ) ; /* (b) */
     54 R0.L = CC = BXOR(A0, R0);
     55 R0.L = CC = BXOR(A0, R1);
     56 
     57 R3.L = CC = BXOR(A0, R0);
     58 R3.L = CC = BXOR(A0, R1);
     59 
     60 //Dreg_lo = CC = BXOR ( A0, A1, CC ) ; /* (b) */
     61 R0.L = CC = BXOR(A0, A1, CC);
     62 R0.L = CC = BXOR(A0, A1, CC);
     63 
     64 R3.L = CC = BXOR(A0, A1, CC);
     65 R3.L = CC = BXOR(A0, A1, CC);
     66 
     67 A0 = BXORSHIFT ( A0, A1, CC ) ; /* (b) */
     68 
     69 
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