What branching instruction branches when the Z register is set?
What branching instruction branches when the Z register is set?
Homework Answers
The branching instruction with branches on when the Z register is set are :-
BREQ and BRNE
BREQ - It is the branch instruction which will branch when two operands are equal; here control will check for Z = 1
BRNe - It is the branch instruction which will branch when two operands are not equal; here control will check for Z = 0
What is Instruction Register Capable of? What enables these functions? What Instruction Registers consist of?
What is Instruction Register Capable of? What enables these functions? What Instruction Registers consist of?
30. What does the instruction "BEQ $5, SO, -6" do? It loads register 5 with the...
30. What does the instruction "BEQ $5, SO, -6" do? It loads register 5 with the value -6. h It subtracts 6 from register 0 and puts the result in register 5. It branches to address 0XFFFFFFFA с. d. It puts the contents of register 0 into the PC if register 5 contains-6 It subtracts 24 from the PC+4 if register 5 contains 0. 31. The MIPS register file has three 5-bit wide ports. Identify them. a. Upper, lower, bottom,...
Goals: To learn general-purpose register architectures. To learn encoding an instruction set. Questions: 100 points: (1)...
Goals: To learn general-purpose register architectures. To learn encoding an instruction set. Questions: 100 points: (1) 30 points, (2) 70 points 1. (30 points) The design of MIPS provides for 32 general-purpose registers and 32 floating-point registers. If registers are good, are more registers better? List and discuss as many trade-offs as you can that should be considered by instruction set architecture designers examining whether to, and how much to increase the numbers of MIPS registers. 2. [70 points] Consider...
(d) 7650 (e) None of the above Question 7 [18 Points]-Instruction Set Architecture (ISA) I. Suppose an instruction set has 32-bit instructions. Every instruction has an 8-bit opcode and a 12- bit...
(d) 7650 (e) None of the above Question 7 [18 Points]-Instruction Set Architecture (ISA) I. Suppose an instruction set has 32-bit instructions. Every instruction has an 8-bit opcode and a 12- bit immediate operand. Some instructions have three register operands (two sources and a destination register). Every instruction that uses registers must be able to specify any of the registers. How many registers can this instruction set support? (a) 32. (b) 64. (c) 16. (d) There is not enough information...
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...
List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by...
List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the STUR instruction class Instruction Memory Register file ALU Data Memory UESTION 5 List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the B instruction class Instruction Memory Register file OALU Data Memory UESTION 6 List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the CBZ instruction class Instruction Memory...
explain why 5. Which of the following are TRUE for the X86 call instruction? (A) Branches...
explain why
5. Which of the following are TRUE for the X86 call instruction? (A) Branches to a specified address: (B) Pushes the instruction pointer value onto the stack; (C) Its target address may be specified in a general-purpose register; (D) Pushes flag registers onto the stack. Answer: Questions 6 - 10. True/False (Total 25 points. 5 points/question) Write T (True) or F (False) on the blank before each statement. 6. The results of code fragment sizeof(int*)=sizeof(int) depends on the...
9 1. Which index register is used by the STOSD instruction? 2. In what way is...
9 1. Which index register is used by the STOSD instruction? 2. In what way is the CMPS instruction ambiguous? 3. Suppose a two-dimensional array of doublewords has three logical rows and four logical columns. Write an expression using ESI and EDI that address the third column in the second row. (Numbering for rows and columns starts at zero). 4. What is the maximum number of comparisons needed by the binary search algorithm when an array contains 1,024 elements?
What process could you take to measure if a register-memory instruction will improve performance?
What process could you take to measure if a register-memory instruction will improve performance?
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory...
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory address Opcode Operation Name MOV X Y XCH Opl, Op2 ADD X, Y SUB X, Y SAL Op. Quantity SAR Op. Quantity SHR Op Quantity AND X, Y OR X. Y XOR X, Y NOT X LOAD RA LOAD R. (A) STORERA STORE R. (A) Description Move data from Y to X Exchange Opl with Op2 X=X+Y X=Y-X Shift Arithmetic Left on Op for...
30. What does the instruction "BEQ $5, SO, -6" do? It loads register 5 with the value -6. h It subtracts 6 from register 0 and puts the result in register 5. It branches to address 0XFFFFFFFA с. d. It puts the contents of register 0 into the PC if register 5 contains-6 It subtracts 24 from the PC+4 if register 5 contains 0. 31. The MIPS register file has three 5-bit wide ports. Identify them. a. Upper, lower, bottom,...
Goals: To learn general-purpose register architectures. To learn encoding an instruction set. Questions: 100 points: (1) 30 points, (2) 70 points 1. (30 points) The design of MIPS provides for 32 general-purpose registers and 32 floating-point registers. If registers are good, are more registers better? List and discuss as many trade-offs as you can that should be considered by instruction set architecture designers examining whether to, and how much to increase the numbers of MIPS registers. 2. [70 points] Consider...
(d) 7650 (e) None of the above Question 7 [18 Points]-Instruction Set Architecture (ISA) I. Suppose an instruction set has 32-bit instructions. Every instruction has an 8-bit opcode and a 12- bit immediate operand. Some instructions have three register operands (two sources and a destination register). Every instruction that uses registers must be able to specify any of the registers. How many registers can this instruction set support? (a) 32. (b) 64. (c) 16. (d) There is not enough information...
List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the STUR instruction class Instruction Memory Register file ALU Data Memory UESTION 5 List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the B instruction class Instruction Memory Register file OALU Data Memory UESTION 6 List the functional units (Instruction memory, Register file, ALU, Data memory) that will be used by the CBZ instruction class Instruction Memory...
explain why
5. Which of the following are TRUE for the X86 call instruction? (A) Branches to a specified address: (B) Pushes the instruction pointer value onto the stack; (C) Its target address may be specified in a general-purpose register; (D) Pushes flag registers onto the stack. Answer: Questions 6 - 10. True/False (Total 25 points. 5 points/question) Write T (True) or F (False) on the blank before each statement. 6. The results of code fragment sizeof(int*)=sizeof(int) depends on the...
Instruction set architecture R: register X, Y, Op1, Op2: Operand Quantity: constant value EA: Effective memory address Opcode Operation Name MOV X Y XCH Opl, Op2 ADD X, Y SUB X, Y SAL Op. Quantity SAR Op. Quantity SHR Op Quantity AND X, Y OR X. Y XOR X, Y NOT X LOAD RA LOAD R. (A) STORERA STORE R. (A) Description Move data from Y to X Exchange Opl with Op2 X=X+Y X=Y-X Shift Arithmetic Left on Op for...
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