Homework Answers
Answer: JMP instruction
Explanation: JMP instruction is used for unconditional branching in Assembly and architecture.
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Asembly & architecture
Which instruction performs an unconditional branch jump? jmp O branch bne
1) The MIPS instruction set only contains two types of conditional branch instruction, beq and bne....
1) The MIPS instruction set only contains two types of conditional branch instruction, beq and bne. Explain why the designers of MIPS considered this to be a sensible thing to do.
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code...
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100....
Question 11 add sw addi bne The classic five-stage pipeline MIPS architecture is used to execute...
Question 11 add sw addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction med • Register R4...
3. Consider an application which has 10% conditional branches and 7.5% unconditional jumps. Assume that the...
3. Consider an application which has 10% conditional branches and 7.5% unconditional jumps. Assume that the conditional branches are taken 12% of the time. Consider a 5-stage pipeline where the branch is resolved at the end of the second cycle for unconditional branches and at the end of the third cycle for conditional branches. What is the pipelining speedup (over the unpipelined architecture) if (a) the branch is always predicted to be not taken, and (b) branch is predicted, but...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this dat...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this datapath? PCSrc Add ALU Add result Shift +( left 2 Read register 1 ALUSrc, 4 ALU operation PCRead PC-address Read data 1 Registers Read data 2 MemWrite Zero ALU ALU-I Address MemtoReg Instruction register 2 Instruction | Write Read data-M register Write Lu memory Write Data data...
urgent A block diagram of MIPS architecture is given below. What is the value of the...
urgent
A block diagram of MIPS architecture is given below. What is the value of the control bit for each MUX during the execution of the given instruction. Note, you may use N/A if MUX output is not useful. >Add u MUX4 ALU 4 - Addresult Shift left 2) RegDst Branch MemRead Instruction (31-26) Control Memto Reg ALUOp MemWrite ALUSC RegWrite Instruction [25-21] PC Read address Instruction (20-16] Read register 1 Read Read data 1 register 2 Write Read MUX...
The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem....
The classic five-stage pipeline MIPS architecture is used to
execute the code fragments in this problem. Assume the
followings:
The architecture fully supports forwarding,
Register write is done in the first half of the clock cycle;
register read is performed in the second half of the clock
cycle,
Branches are resolved in the third stage of the pipeline and
the architecture does not utilize any branch prediction
mechanism,
Register R4 is initially 100.
L1: lw R1,
0(R4)
add R3, R1, R2
sw ...
Which of these could be the effect of a JUMP instruction? Changing the order of the...
Which of these could be the effect of a JUMP instruction? Changing the order of the instructions. Changing the value of the IR. Changing a flag in the FLAGS register. Changing the value of a location in cache. Changing the value of the PC.
he classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem....
he classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100. Ll: lw add SW...
Some ISAs support the concept of an indirect jump. This is written as: jr offset(rn) which...
Some ISAs support the concept of an indirect jump. This is written as: jr offset(rn) which does PC = Memory[rn + offset] If this instruction was added to our pipelined MIPS, and assuming that one branch delay slot is used as is the current practice, how many extra stall cycles must be inserted for this instruction so that no unnecessary instructions are fetched? You must fully justify your answer.
add SW addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100....
Question 11 add sw addi bne The classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings • The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction med • Register R4...
6. Consider a datapath similar to the one in figure below, but for a processor that only has one type of instruction: unconditional PC-relative branch. What would the cycle time be for this datapath? PCSrc Add ALU Add result Shift +( left 2 Read register 1 ALUSrc, 4 ALU operation PCRead PC-address Read data 1 Registers Read data 2 MemWrite Zero ALU ALU-I Address MemtoReg Instruction register 2 Instruction | Write Read data-M register Write Lu memory Write Data data...
urgent
A block diagram of MIPS architecture is given below. What is the value of the control bit for each MUX during the execution of the given instruction. Note, you may use N/A if MUX output is not useful. >Add u MUX4 ALU 4 - Addresult Shift left 2) RegDst Branch MemRead Instruction (31-26) Control Memto Reg ALUOp MemWrite ALUSC RegWrite Instruction [25-21] PC Read address Instruction (20-16] Read register 1 Read Read data 1 register 2 Write Read MUX...
The classic five-stage pipeline MIPS architecture is used to
execute the code fragments in this problem. Assume the
followings:
The architecture fully supports forwarding,
Register write is done in the first half of the clock cycle;
register read is performed in the second half of the clock
cycle,
Branches are resolved in the third stage of the pipeline and
the architecture does not utilize any branch prediction
mechanism,
Register R4 is initially 100.
L1: lw R1,
0(R4)
add R3, R1, R2
sw ...
Which of these could be the effect of a JUMP instruction? Changing the order of the instructions. Changing the value of the IR. Changing a flag in the FLAGS register. Changing the value of a location in cache. Changing the value of the PC.
he classic five-stage pipeline MIPS architecture is used to execute the code fragments in this problem. Assume the followings: The architecture fully supports forwarding, • Register write is done in the first half of the clock cycle; register read is performed in the second half of the clock cycle, • Branches are resolved in the third stage of the pipeline and the architecture does not utilize any branch prediction mechanism, • Register R4 is initially 100. Ll: lw add SW...
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