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OCR: (a). fid qwptr [eax] fmul st, st( 1) fadd qwptr [ebx] fid qwptr [eax] sto xli a st1 a a st2 St3 fid qwptr [eax] fmul st, st(1) fadd qwptr [ebx] sto a"x[i] a x[i]+y[i] x[i+1] st1 a a a a x[0]+y[i] st2 a st3 (b) fadd qwptr [ebx+24] fxch st(2) fstp qwptr [ebx+8] fstp qwptr [ebx+16] sto a"x[i+3]+y[+3] a"x[i+1]+y[i+1] "a"x[1+2]+y[i+2] a x[i+3]+y[i+3] st1 a"x[i+2]+y[i+2] a x[i+2]+y[++2] a x[i+3]+y[i+3] a*x[i] +y[i] st2 a"x[i+ 1]+y[i+ 1]] a"x[i+3]+y[i+3] a"x[i]+y[]] a St3 a"x[i] + y[i] a"x[i]+y[i] a st4 a Example 5: (a) FPU for stack for Example 4(a)- at top of loop a is already loaded onto stack; (b) FPU stack for Example 4(c)- at top of loop a is already loaded onto stack, skipping several instructions near bottom of loop.