目标机指令序列示例 Ld R1, y //R1 LD R2. Z //R2 =y-2 SUB R1. R1. R2 //R1=R1-R2 ST x, R1 //x=R1 对于实数数组a, Ld R1, i b=al i /R1=i MUL R1. R1. 8 /R1=R1* Ld R2, a (r1) // R2= contents(a contents(r1)) ST b, R2 //b=R2 LD R1. c /R1=c a LD R2, j //R2= MUL R2, R2, 8 R2=R2*8 sT a(R2), R1 // contents(a contents(R2))=R1 LD R1,p //R1 x=求p LDR2,0(R1) // R2 contents(o+ contents(r1)) sT x R2目标机指令序列示例 对于实数数组a