哪个周期数据可用？ Time(in clock cycles) Value of CC1 CC2 CC3 CC4 CC5 CC6 CC7 CC8 CC 9 register x2: 10 10 10 10 10/-20 -20 -20 -20 -20 Program execution order (in instructions) sub x2,x1,x3 and x12,x2,x5 or x13,x6,x2 add x14,x2,x2 M sd×15,100(x2) 图4-50 Reg3 哪个周期数据可用？ 图4-50