The pipelined starts executing the following five instructions stored in memory addressed from 0x40000000. Initial register...
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The pipelined starts executing the following five instructions stored in memory addressed from 0x40000000. Initial register contents are as follows. Assume that all other registers are initialized to zero. At the fifth cycle, each stage of the pipeline executes the instruction shown in the figure. Identify the values for wires (b), (m), (d), (e), (u), (k), (h), (s), (v), (t) and (w) in the figure just after the fifth cycle of the execution. Instructions executed as well as their binary and hexadecimal representations are as follows (numbers used in instructions are decimal numbers). lw sub and $10, 20($1) $11, $2, $3 $12, $4, $5 $13, $6, $7 $14, $8, $9 Initial register contents are: $pc = 0x4000 0000, $2=5, $3 = 3 add $14, $8, $9 or add Actress 100011 00001 01010 0000 0000 0001 0100 010000 00010 00011 01011 00000 100100 010000 00100 00101 01100 00000 100110 010000 00110 00111 01101 00000 100111 010000 01000 01001 01110 00000 100000 Indruction terrory IFID or $13, $6, $7 (d) Read register 1 (3) Road regler 2 (We regidor (2) Wte diba ({}) Food Registers Rood d892 16 des 1 Son extend DEX and $12, $4, $5 (222) Shit et 2 (2₂) 10 M Acti Acti rea AU (a) Zero AU (r) res (s) sub $11, $2, $3 lw $10, 20($1) EXMEM (23) (1) Adhess Mite deta (w) Data memory Rend dra MEMIAB 2 02 The pipelined starts executing the following five instructions stored in memory addressed from 0x40000000. Initial register contents are as follows. Assume that all other registers are initialized to zero. At the fifth cycle, each stage of the pipeline executes the instruction shown in the figure. Identify the values for wires (b), (m), (d), (e), (u), (k), (h), (s), (v), (t) and (w) in the figure just after the fifth cycle of the execution. Instructions executed as well as their binary and hexadecimal representations are as follows (numbers used in instructions are decimal numbers). lw sub and $10, 20($1) $11, $2, $3 $12, $4, $5 $13, $6, $7 $14, $8, $9 Initial register contents are: $pc = 0x4000 0000, $2=5, $3 = 3 add $14, $8, $9 or add Actress 100011 00001 01010 0000 0000 0001 0100 010000 00010 00011 01011 00000 100100 010000 00100 00101 01100 00000 100110 010000 00110 00111 01101 00000 100111 010000 01000 01001 01110 00000 100000 Indruction terrory IFID or $13, $6, $7 (d) Read register 1 (3) Road regler 2 (We regidor (2) Wte diba ({}) Food Registers Rood d892 16 des 1 Son extend DEX and $12, $4, $5 (222) Shit et 2 (2₂) 10 M Acti Acti rea AU (a) Zero AU (r) res (s) sub $11, $2, $3 lw $10, 20($1) EXMEM (23) (1) Adhess Mite deta (w) Data memory Rend dra MEMIAB 2 02
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Related Book For
Computer Organization and Design The Hardware Software Interface
ISBN: 978-0124077263
5th edition
Authors: David A. Patterson, John L. Hennessy
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