PCZAYAXAZDYDXDReg File ZA YA XARARDRWriteENIDEX1010101ABAdderMultiplierSABSAdderIFIDEX1EX2Y3MuxX3MuxZ7MuxZDENINSMEMWBIDXAIDYAIDZAENIFIDWriteXYDXDYDZDXDYDZDSTALLDSTALLDBFX3MFY3MFZ7MWBRDWBWRITE01R1Mu ID: 899244
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1 PC ZA YA XA ZD YD XD Reg. File ZA YA
PC ZA YA XA ZD YD XD Reg. File ZA YA XA RA RD R-Write EN_IDEX1 0 1 0 1 0 1 A B A d d e r / M u l t i p l i e r S A B S A d d e r IF ID EX1 EX2 Y3Mux X3Mux Z7Mux ZD EN I N S - M E M WB ID_XA ID_YA ID_ZA EN_IFID W r i t e X Y D X D + Y D + Z D XD YD ZD STALL_D STALL_DB FX3M FY3M FZ7M W B _ R D W B _ W R I T E 0 1 R1Mux S K I P A / M MA M A3 A2 MA M A3 A2 MA M A3 A2 0 1 0 1 Y2Mux X2Mux FX2M FY2M EX2_Write R R R R R STALL_M STALL_MB EX1_Write BXZ ICM I D _ B X Z 0 1 X0Mux FX0M ZD EN_EX1D X Y D MA M A3 A2 R 0 1 0 1 Y4Mux X4Mux FX4M FY4M W B _ R A W B _ R D WB_WRITE 0 1 Z2Mux FZ2M 0 1 Z5Mux FZ5M D_Write 0 1 X1Mux FX1M D X Z + 1 16 0 1 16 BR1 16 ( X = Z E R O ) J J J J XA YA ZA RA XA YA ZA RA XA YA ZA RA XA YA ZA RA XA YA ZA RA D_XA D_YA D_ZA D_RA EX1_XA EX1_YA EX1_ZA EX1_RA ID_XA ID_YA ID_ZA ID_RA EX2_XA EX2_YA EX2_ZA EX2_RA WB_XA WB_YA WB_ZA WB_RA HDU_ID FU_ID FU_EX1 FU_D FU_EX2 STALL_D ETM_EX1 STALL_M Extra Time for Mult (ETM) EX2_Write EN EN EN EN_DEX2 BI_IF BI_ID EN_PC EN_EX2WB PC ZA YA XA ZD YD XD Reg. File ZA YA XA RA RD R-Write EN_IDEX1 0 1 0 1 0 1 A B A d d e r / M u l t i p l i e r S A B S A d d e r IF ID EX1 EX2 Y3Mux X3Mux Z7Mux ZD EN I N S - M E M WB ID_XA ID_YA ID_ZA EN_IFID W r i t e X Y D X D + Y D + Z D XD YD ZD STALL_D STALL_DB FX3M FY3M FZ7M W B _ R D W B _ W R I T E 0 1 R1Mux S K I P A / M MA M A3 A2 MA M A3 A2 MA M A3 A2 0 1 0 1 Y2Mux X2Mux FX2M FY2M EX2_Write R R R R R STALL_M STALL_MB EX1_Write BXZ ICM I D _ B X Z 0 1 X0Mux FX0M ZD EN_EX1D X Y D MA M A3 A2 R 0 1 0 1 Y4Mux X4Mux FX4M FY4M W B _ R A W B _ R D WB_WRITE 0 1 Z2Mux FZ2M 0 1 Z5Mux FZ5M D_Write 0 1 X1Mux FX1M D X Z + 1 16 0 1 16 BR1 16 ( X = Z E R O ) J J J J XA YA ZA RA XA YA ZA RA XA YA ZA RA XA YA ZA RA XA YA ZA RA D_XA D_YA D_ZA D_RA EX1_XA EX1_YA EX1_ZA EX1_RA ID_XA ID_YA ID_ZA ID_RA EX2_XA EX2_YA EX2_ZA EX2_RA WB_XA WB_YA WB_ZA WB_RA HDU_ID FU_ID FU_EX1 FU_D FU_EX2 STALL_D ETM_EX1 STALL_M Extra Time for Mult (ETM) EX2_Write EN EN EN EN_DEX2 BI_IF BI_ID EN_PC EN_EX2WB EE457 Final - Fall 2020 4 / 17 C Copyright 2020 Gandhi Puvvada P C Z A Y A X A Z D Y D X D R e g . F i l e Z A Y A X A R A R D R - W r i t e E N _
2 I D E X 1 0 1 0 1 0 1 0 1 A B A d d e r
I D E X 1 0 1 0 1 0 1 0 1 A B A d d e r / M u l t i p l i e r S A B S A d d e r I F I D E X 1 E X 2 Y 3 M u x X 3 M u x Z 6 M u x Z 7 M u x Z D E N I N S - M E M W B I D _ X A I D _ Y A I D _ Z A E N _ I F I D W r i t e X Y D X D + Y D + Z D X D Y D Z D S T A L L _ D S T A L L _ D B F X 3 M F Y 3 M F Z 6 M F Z 7 M W B _ R D W B _ W R I T E 0 1 R 1 M u x S K I P A / M M A M A 3 A 2 M A M A 3 A 2 M A M A 3 A 2 0 1 0 1 Y 2 M u x X 2 M u x F X 2 M F Y 2 M E X 2 _ W r i t e R R R R R S T A L L _ M S T A L L _ M B E X 1 _ W r i t e B X Z I C M I D _ B X Z 0 1 0 1 0 1 Z 0 M u x Y 0 M u x X 0 M u x F Z 0 M F Y 0 M F X 0 M 0 1 Z 4 M u x Z D E N _ E X 1 D X Y D F Z 4 M M A M A 3 A 2 R 0 1 X Y 6 M u x F X Y 6 M 0 1 X Y 5 M u x F X Y 5 M 0 1 0 1 Y 4 M u x X 4 M u x F X 4 M F Y 4 M 0 1 X Y 7 M u x F X Y 7 M W B _ R A W B _ R D W B _ W R I T E 0 1 Z 3 M u x F Z 3 M 0 1 Z 2 M u x F Z 2 M 0 1 Z 5 M u x F Z 5 M D _ W r i t e 0 1 0 1 0 1 Z 1 M u x Y 1 M u x X 1 M u x F Z 1 M F Y 1 M F X 1 M D X Z + 1 1 6 0 1 1 6 B R 1 1 6 ( X = Z E R O ) J J J J X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A D _ X A D _ Y A D _ Z A D _ R A E X 1 _ X A E X 1 _ Y A E X 1 _ Z A E X 1 _ R A I D _ X A I D _ Y A I D _ Z A I D _ R A E X 2 _ X A E X 2 _ Y A E X 2 _ Z A E X 2 _ R A W B _ X A W B _ Y A W B _ Z A W B _ R A H D U _ I D F U _ I D F U _ E X 1 F U _ D F U _ E X 2 S T A L L _ D E T M _ E X 1 S T A L L _ M E x t r a T i m e f o r M u l t ( E T M ) E X 2 _ W r i t e E N E N E N E N _ D E X 2 L a b 7 m o d i f i e d w i t h a d u m m y s t a g e 1 . C r o s s o f f u n n e e d e d / r e d u n d a n t / u n w a n t e d f o r w a r d i n g m u x e s . 2 . C o m p l e t e f o r w a r d i n g p a t h s t o t h e r e m a i n i n g ( s u r v i v i n g ) f o r w a r d i n g m u x e s . 6 . C o m p l e t e t w o e n a b l e ( E N ) c o n t r o l s o n P C a n d t h e I F / I D . 5 . G e n e r a t e S T A L L _ D a n d S T A L L _ M ( S t a l l f o r M u l t i p l y ) . 7 . C o m p l e t e a l l B u b b l e I n j e c t i o n ( B I ) c o n t
3 r o l s . 8 . F o r t h e f o u r
r o l s . 8 . F o r t h e f o u r F U s ( f o r w a r d i n g u n i t s ) , d r a w t h e i n p u t ( o n l y i n p u t , n o o u t p u t ) p i n s a n d g e n e r a t e o n e p e r c a t e g o r y . F o r e x a m p l e , i f m u l t i p l e F X - - a n d F Y - - a r e t o O n t h i s p a g e O n t h e n e x t f e w p a g e s 3 . C r o s s o f f u n n e e d e d / u n w a n t e d p o r t i o n s o f s o u r c e - a d d r e s s ( X A , Y A , Z A ) B I _ I F B I _ I D c o n v e y a n c e l i n e s a n d t h e a s s o c i a t e d F F s . b e p r o d u c e d b y t h e F U , j u s t g e n e r a t e o n e F X - - a n d o n e F Y - - o f y o u r c h o i c e . E N _ P C E N _ E X 2 W B 4 . C o m p l e t e t h e 4 e n a b l e s f o r t h e I D / E X 1 , E X 1 / D , D / E X 2 , E X 2 / W B Current exam question for completion Q1P4 EE457 Final - Fall 2020 4 / 17 C Copyright 2020 Gandhi Puvvada P C Z A Y A X A Z D Y D X D R e g . F i l e Z A Y A X A R A R D R - W r i t e E N _ I D E X 1 0 1 0 1 0 1 0 1 A B A d d e r / M u l t i p l i e r S A B S A d d e r I F I D E X 1 E X 2 Y 3 M u x X 3 M u x Z 6 M u x Z 7 M u x Z D E N I N S - M E M W B I D _ X A I D _ Y A I D _ Z A E N _ I F I D W r i t e X Y D X D + Y D + Z D X D Y D Z D S T A L L _ D S T A L L _ D B F X 3 M F Y 3 M F Z 6 M F Z 7 M W B _ R D W B _ W R I T E 0 1 R 1 M u x S K I P A / M M A M A 3 A 2 M A M A 3 A 2 M A M A 3 A 2 0 1 0 1 Y 2 M u x X 2 M u x F X 2 M F Y 2 M E X 2 _ W r i t e R R R R R S T A L L _ M S T A L L _ M B E X 1 _ W r i t e B X Z I C M I D _ B X Z 0 1 0 1 0 1 Z 0 M u x Y 0 M u x X 0 M u x F Z 0 M F Y 0 M F X 0 M 0 1 Z 4 M u x Z D E N _ E X 1 D X Y D F Z 4 M M A M A 3 A 2 R 0 1 X Y 6 M u x F X Y 6 M 0 1 X Y 5 M u x F X Y 5 M 0 1 0 1 Y 4 M u x X 4 M u x F X 4 M F Y 4 M 0 1 X Y 7 M u x F X Y 7 M W B _ R A W B _ R D W B _ W R I T E 0 1 Z 3 M u x F Z 3 M 0 1 Z 2 M u x F Z 2 M 0 1 Z 5 M u x F Z 5 M D _ W r i t e 0 1 0 1 0 1 Z 1 M u x Y 1 M u x X 1 M u x F Z 1 M F Y 1 M F X 1 M D X Z
4 + 1 1 6 0 1 1 6 B R 1 1 6 ( X = Z E R
+ 1 1 6 0 1 1 6 B R 1 1 6 ( X = Z E R O ) J J J J X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A X A Y A Z A R A D _ X A D _ Y A D _ Z A D _ R A E X 1 _ X A E X 1 _ Y A E X 1 _ Z A E X 1 _ R A I D _ X A I D _ Y A I D _ Z A I D _ R A E X 2 _ X A E X 2 _ Y A E X 2 _ Z A E X 2 _ R A W B _ X A W B _ Y A W B _ Z A W B _ R A H D U _ I D F U _ I D F U _ E X 1 F U _ D F U _ E X 2 S T A L L _ D E T M _ E X 1 S T A L L _ M E x t r a T i m e f o r M u l t ( E T M ) E X 2 _ W r i t e E N E N E N E N _ D E X 2 L a b 7 m o d i f i e d w i t h a d u m m y s t a g e 1 . C r o s s o f f u n n e e d e d / r e d u n d a n t / u n w a n t e d f o r w a r d i n g m u x e s . 2 . C o m p l e t e f o r w a r d i n g p a t h s t o t h e r e m a i n i n g ( s u r v i v i n g ) f o r w a r d i n g m u x e s . 6 . C o m p l e t e t w o e n a b l e ( E N ) c o n t r o l s o n P C a n d t h e I F / I D . 5 . G e n e r a t e S T A L L _ D a n d S T A L L _ M ( S t a l l f o r M u l t i p l y ) . 7 . C o m p l e t e a l l B u b b l e I n j e c t i o n ( B I ) c o n t r o l s . 8 . F o r t h e f o u r F U s ( f o r w a r d i n g u n i t s ) , d r a w t h e i n p u t ( o n l y i n p u t , n o o u t p u t ) p i n s a n d g e n e r a t e o n e p e r c a t e g o r y . F o r e x a m p l e , i f m u l t i p l e F X - - a n d F Y - - a r e t o O n t h i s p a g e O n t h e n e x t f e w p a g e s 3 . C r o s s o f f u n n e e d e d / u n w a n t e d p o r t i o n s o f s o u r c e - a d d r e s s ( X A , Y A , Z A ) B I _ I F B I _ I D c o n v e y a n c e l i n e s a n d t h e a s s o c i a t e d F F s . b e p r o d u c e d b y t h e F U , j u s t g e n e r a t e o n e F X - - a n d o n e F Y - - o f y o u r c h o i c e . E N _ P C E N _ E X 2 W B 4 . C o m p l e t e t h e 4 e n a b l e s f o r t h e I D / E X 1 , E X 1 / D , D / E X 2 , E X 2 / W B Current exam question for completion Q