O循环间相关(3/4)-循环变换 OLD for(i=1;<=100;|=计+1){ A[]=A+B];/*S1 B[+]=C[]+D[i];}/*S2 NEW A[1]=A[1]+B[1] for(=1;iK=99;i=i+1){ B[+1]=C印]+Dj A[+1]=A[i+1]+B[i+1]; B[101]=C[100]+D[100]; 计算机体系结构2021/2/7 计算机体系结构 28 循环间相关（3/4）-循环变换 OLD: for (i=1; i<=100; i=i+1) { A[i] = A[i] + B[i]; /* S1 */ B[i+1] = C[i] + D[i];} /* S2 */ NEW: A[1] = A[1] + B[1]; for (i=1; i<=99; i=i+1) { B[i+1] = C[i] + D[i]; A[i+1] = A[i+1] + B[i+1]; } B[101] = C[100] + D[100];