TABLE 4.3: Can rl or r3 be set to 0> Core C1 Core C2 Comments SI: X=NEW: NEW /* Initially. x=0&y=0*/ LI: rI=x: L3:r3=y; L2:r2=y; L4:r4=x; / Assume r2=0&r4=0*/ 当(r2,r4)=(0,0)时,(r1,r3)一定为(0,0)? 2021/2/11 计算机体系结构 13• 当(r2, r4) = (0, 0) 时，（r1, r3) 一定为 (0, 0）？ 2021/2/11 计算机体系结构 13