【文章內(nèi)容簡介】 2022/8/17 23 Tomasulo Example Cycle 7 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7D IV D F 10 F0 F6 5ADDD F6 F8 F2 6R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj Qk0 A dd1 Y e s S U BD M (A 1) M (A 2)A dd2 Y e s ADDD M (A 2) A dd1A dd3 No8 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 307 FU M ul t 1 M (A 2) A dd2 A dd1 M ul t 2? Add1 (SUBD) pleting。 what is waiting for it? 2022/8/17 24 Tomasulo Example Cycle 8 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 No2 A dd2 Y e s ADDD (M M ) M (A 2)A dd3 No7 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 308 FU M ul t 1 M (A 2) A dd2 (M M ) M ul t 22022/8/17 25 Tomasulo Example Cycle 9 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 No1 A dd2 Y e s ADDD (M M ) M (A 2)A dd3 No6 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 309 FU M ul t 1 M (A 2) A dd2 (M M ) M ul t 22022/8/17 26 Tomasulo Example Cycle 10 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6 10R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 No0 A dd2 Y e s ADDD (M M ) M (A 2)A dd3 No5 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 3010 FU M ul t 1 M (A 2) A dd2 (M M ) M ul t 2? Add2 (ADDD) pleting。 what is waiting for it? 2022/8/17 27 Tomasulo Example Cycle 11 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6 10 11R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 NoA dd2 NoA dd3 No4 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 3011 FU M ul t 1 M (A 2) (M M + M )(M M ) M ul t 2? Write result of ADDD here? ? All quick instructions plete in this cycle! 2022/8/17 28 Tomasulo Example Cycle 12 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6 10 11R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 NoA dd2 NoA dd3 No3 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 3012 FU M ul t 1 M (A 2) (M M + M )(M M ) M ul t 22022/8/17 29 Tomasulo Example Cycle 13 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5ADDD F6 F8 F2 6 10 11R e s e r v ati on Stat ions : S1 S2 RS RST i m e Nam e Busy Op Vj Vk Qj QkA dd1 NoA dd2 NoA dd3 No2 M ul t 1 Y e s M U L T D M (A 2) R(F 4)M ul t 2 Y e s D IV D M (A 1) M ul t 1R e gis te r r e s ult s tat us :C loc k F0 F2 F4 F6 F8 F 10 F 12 ... F 3013 FU M ul t 1 M (A 2) (M M + M )(M M ) M ul t 22022/8/17 30 Tomasulo Example Cycle 14 I ns tr uc ti on s tat us : E xec W r i t eIns t ruc t i on j k Is s u e Co m p R es u l t Bu s y A d d res sLD F6 34+ R2 1 3 4 L oa d1 NoLD F2 45+ R3 2 4 5 L oa d2 NoM U L T D F0 F2 F4 3 L oa d3 NoS U BD F8 F6 F2 4 7 8D IV D F 10 F0 F6 5