d) The table below shows the ALUcontrol signal of the datapath we discussed in class. Instruction Funct ALU Орcode ALUop ALU action operation field control Iw 00 load word XXXXXX add 0010 sw 00 store word XXXXXX add 0010 beq 01 branch equal subtract 0110 XXXXXX R-type 10 add 100000 add 0010 R-type 10 subtract 100010 subtract 0110 R-type 10 AND 100100 AND 0000 R-type 10 OR 100101 OR 0001 R-type 10 set on less than 101010 set on less than 0111 You want to add the bne instruction into the datapath, which already includes the required hardware for the instruction. Write out the ALUop for bne and how you can determine whether the bne results in the branch to be taken.
d) The table below shows the ALUcontrol signal of the datapath we discussed in class. Instruction Funct ALU Орcode ALUop ALU action operation field control Iw 00 load word XXXXXX add 0010 sw 00 store word XXXXXX add 0010 beq 01 branch equal subtract 0110 XXXXXX R-type 10 add 100000 add 0010 R-type 10 subtract 100010 subtract 0110 R-type 10 AND 100100 AND 0000 R-type 10 OR 100101 OR 0001 R-type 10 set on less than 101010 set on less than 0111 You want to add the bne instruction into the datapath, which already includes the required hardware for the instruction. Write out the ALUop for bne and how you can determine whether the bne results in the branch to be taken.
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Transcribed Image Text:(d) The table below shows the ALUcontrol signal of the datapath we discussed in class.
Instruction
Funct
ALU
Орсode
ALUop
ALU action
operation
field
control
Iw
00
load word
XXXXXX
add
0010
Sw
00
store word
XXXXXX
add
0010
beq
01
branch equal
subtract
0110
XXXXXX
R-type
10
add
100000
add
0010
R-type
10
subtract
100010
subtract
0110
R-type
10
AND
100100
AND
0000
R-type
10
OR
100101
OR
0001
R-type
10
set on less than
101010
set on less than
0111
You want to add the bne instruction into the datapath, which already includes the
required hardware for the instruction. Write out the ALUop for bne and how you can
determine whether the bne results in the branch to be taken.
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