Homework Answers
In ADD instruction result is stored in destination.
The result always stored in destination.
Hence for both questions destination is the answer.
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Energizing the ADD instruction causes the processor to add the contents of Source A to the...
A designer decides to add a fused multiply-add (FMA) instruction to our MIPS processor. The instruction...
A designer decides to add a fused multiply-add (FMA) instruction to our MIPS processor. The instruction does the following operation on registers: A=A*B+C. What type of instruction format can we use to encode this new instruction? I, J, Need a new format or R
The instruction beq uses the instruction memory during its execution True False The contents of the...
The instruction beq uses the instruction memory during its execution True False The contents of the register specified in the instruction field "rt" is send to the data memory during the execution of the instruction sw? True False The instruction and writes to memory? True False During the operation of an R-type instruction, the function field determines the operation to be performed by the ALU. True False
12. For each instruction in this question, assume that register contains the given contents before the...
12. For each instruction in this question, assume that register contains the given contents before the instruction is executed. All values are Hex, Contents of the register (Before) al-coh Contents of the register (After) Instruction ZF CF OF SF | add al, 40h ;assume values are unsigned Int | add bh, 9Ah ;assume values are signed Int | add cl, 52h ;assume values are signed Int | add bh, 01h ;assume values are bh=66h cl=40h bh= the value from unsigned...
3. Assume the processor data path show below. XE30 Add Add ALU result Shift left 2...
3. Assume the processor data path show below. XE30 Add Add ALU result Shift left 2 RegDst Branch MemRead Instruction (31-26] RegSrc Control ALUOP Mem Write ALUSrc RegWrite PC Instruction (25-21) Read address Instruction (20-16] Instruction [31-0) Instruction instruction (15-11) memory Read register 1 Read data 1 Read register 2 Write Read register data 2 Write data Registers Zero ALU ALU result Read Address data OX OX3) 3x) Write Data data memory Instruction [15-0) 16 32 Sign- extend ALU control...
1. The instruction TRAP x25 causes the PC to be loaded with the memory address: a....
1. The instruction TRAP x25 causes the PC to be loaded with the memory address: a. x0025 b. x2500 c. the contents of x0025 d. x0250 2. The instruction TRAP x23 at location x4232, causes R7 to be loaded with: a. x4232 b. x4233 c. contents of x4232 d. contents of x4233 4. The execution of the JSR instruction at location x4202, causes R7 to be loaded with: a. x4200 b. x4201 c. x4202 d. x4203 5. Which instruction in...
1.Write the "destination" register in the instruction 671A in a string of 4 bits. 2.The instruction...
1.Write the "destination" register in the instruction 671A in a string of 4 bits. 2.The instruction 9158 uses two registers as operands, and a third register as a destination for the result. Which registers are used for the operands? 9 and 1 1 and 5 5 and 8 9 and 8 3. Translate the following instruction into English: 54F2 Add the bit patterns in registers F and 2 together as if they were presented in two's complement and leave the...
1 For a given processor bound workload the frequencies of instructions move (MOV), floating add (FADD),...
1 For a given processor bound workload the frequencies of instructions move (MOV), floating add (FADD), and floating multiply (FMUL), and the corresponding instruction run times, for a given processor are: FADD 10 300 Others 50 160 MOV Instruction Frequency 30 Time [nanosec] 100 FMUL 10 600 What is the MIPS indicator of this processor? Faster memory chips reduce the MOV time by 50%, and all other times by 20%. What is now the value of the MIPS indicator? The...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-0] ControMemtoReg MemWrite ALUSrc RegWrite Instruction [19-15]Read Read register 1 Read Read data! PCaddress Instruction [24-20] Zero ALU ALU result register 2 Instruction 31-0 Instruction [11-7 Read1 Address data | Write Read register daiaALU | M Instruction memory Write data Registers Write Data data...
You are given a homework processor (HPro) capable of addressing 32 8-bit (1 byte) wide registers....
You are given a homework processor (HPro) capable of addressing 32 8-bit (1 byte) wide registers. However, it has only 29 physical registers. Register RO, R1 and R31 are not physically implemented. Instead, every read from RO, R1 and R31 will return a constant zero (00000000), constant one (00000001) and all ones (11111111), respectively. Every write to RO, R1 and R31 will go to null (dummy write). Assume that all other registers have initially unknown (X) state (This in fact...
The instruction beq uses the instruction memory during its execution True False The contents of the register specified in the instruction field "rt" is send to the data memory during the execution of the instruction sw? True False The instruction and writes to memory? True False During the operation of an R-type instruction, the function field determines the operation to be performed by the ALU. True False
12. For each instruction in this question, assume that register contains the given contents before the instruction is executed. All values are Hex, Contents of the register (Before) al-coh Contents of the register (After) Instruction ZF CF OF SF | add al, 40h ;assume values are unsigned Int | add bh, 9Ah ;assume values are signed Int | add cl, 52h ;assume values are signed Int | add bh, 01h ;assume values are bh=66h cl=40h bh= the value from unsigned...
3. Assume the processor data path show below. XE30 Add Add ALU result Shift left 2 RegDst Branch MemRead Instruction (31-26] RegSrc Control ALUOP Mem Write ALUSrc RegWrite PC Instruction (25-21) Read address Instruction (20-16] Instruction [31-0) Instruction instruction (15-11) memory Read register 1 Read data 1 Read register 2 Write Read register data 2 Write data Registers Zero ALU ALU result Read Address data OX OX3) 3x) Write Data data memory Instruction [15-0) 16 32 Sign- extend ALU control...
1 For a given processor bound workload the frequencies of instructions move (MOV), floating add (FADD), and floating multiply (FMUL), and the corresponding instruction run times, for a given processor are: FADD 10 300 Others 50 160 MOV Instruction Frequency 30 Time [nanosec] 100 FMUL 10 600 What is the MIPS indicator of this processor? Faster memory chips reduce the MOV time by 50%, and all other times by 20%. What is now the value of the MIPS indicator? The...
Question 5 0.25 pts What is the value of the MemWrite control signal? Question 6 0.25 pts What is the value of the ALUSrc control signal? Add Add Sum--(1 4 Shift left 1 Branch MemRead Instruction [6-0] ControMemtoReg MemWrite ALUSrc RegWrite Instruction [19-15]Read Read register 1 Read Read data! PCaddress Instruction [24-20] Zero ALU ALU result register 2 Instruction 31-0 Instruction [11-7 Read1 Address data | Write Read register daiaALU | M Instruction memory Write data Registers Write Data data...
You are given a homework processor (HPro) capable of addressing 32 8-bit (1 byte) wide registers. However, it has only 29 physical registers. Register RO, R1 and R31 are not physically implemented. Instead, every read from RO, R1 and R31 will return a constant zero (00000000), constant one (00000001) and all ones (11111111), respectively. Every write to RO, R1 and R31 will go to null (dummy write). Assume that all other registers have initially unknown (X) state (This in fact...
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