Assume that registers $s0, and $s1 hold the value 0x80000000 and 0×D0000000, respectively. (0x: means a hexadecimal number) a. What is the value of $t0 after execution of the following instruction? Do we have overflow here? Explain your reasoning. add $t0, $s0, $s1 b. What is the value of $t0 after execution of the following instruction? Do we have overflow here? Explain your reasoning. sub $t0, $s0, $s1

Assume that registers $s0, and $s1 hold the value 0x80000000 and 0×D0000000, respectively. (0x: means a hexadecimal number) a. What is the value of $t0 after execution of the following instruction? Do we have overflow here? Explain your reasoning. add $t0, $s0, $s1 b. What is the value of $t0 after execution of the following instruction? Do we have overflow here? Explain your reasoning. sub $t0, $s0, $s1

Systems Architecture

7th Edition

ISBN:9781305080195

Author:Stephen D. Burd

Publisher:Stephen D. Burd

Chapter4: Processor Technology And Architecture

Section: Chapter Questions

Problem 15VE: A(n) ________________ instruction always alters the instruction execution sequence. A(n)...

See similar textbooks

Similar questions

Please answer this question and provide the explanation Assume the values of %ecx is 0x00000005 and %edx is 0x00000003. What would be the value of %ecx and %edx after performing the following instruction? 0x5555555461a <+0>: leal (%ecx, %edx, 8), %edx %ecx = 0x00000005, %edx = 0x0000003A %ecx = 0x00000005, %edx = 0x00000018 %ecx = 0x00000005, %edx = 0x00000030 %ecx = 0x00000005, %edx = 0x00000003 %ecx = 0x00000005, %edx = 0x0000001D %ecx = 0x00000005, %edx = 0x00000040 %ecx = 0x00000055, %edx = 0x0000001D %ecx = 0x00000005, %edx = 0x0000002A %ecx = 0x00000005, %edx = 0x00000025 %ecx = 0x00000005, %edx = 0x00000035
Assume that registers $s0 and $s1 hold the values 0x90000000 and 0xA0000000, respectively. These are integer values. Please take into account that these are 32-bit registers. a) What is the value of $t0 after the following MIPS instruction has been completed? add $t0, $s0, $s1 $s0: 0 x 9 0 0 0 0 0 0 0 $s1: 0 x A 0 0 0 0 0 0 0
For the MIPS assembly instructions below, what is the corresponding C statement?Assume that the variables f, g, h, i, and j are assigned to registers $s0, $s1, $s2, $s3, and$s4, respectively. Assume that the base address of the arrays A and B are in registers $s6 and $s7, respectively. sll $t1, $s1, 2add $t1, $t1, $s6lw $t1, 0($t1)sub $t0, $s3, $s4sll $t0, $t0, 2add $t0, $t0, $s7lw $t0, 0($t0)add $t1, $t1, $t0sll $t0, $s0, 2add $t0, $t0, $s7sw $t1, 0($t0)
1) Write an instruction sequence to decrement the contents of data memory locations 0x10, 0x1 1, and 0x12 by 5, 3, and 1, respectively 2) Write an instruction sequence to subtract the 4-byte number stored in memory locations 0x10-0x13 from the 4-byte number stored in memory locations 0x00-0x03 and store the differ[1]ence in memory locations 0x20-0x23
What are contents of R5 after execution to each of the following instruction? (Assume R2 contains OxABCD01235 and R3 contains 0x1111 1111) ADD R5, R2, R3 SUB R5, R2, R3 XOR R5, R2, R3 ADD R5, R2, R3 ROR R2, # 0x8 ADD R5, R2, # 0x0F
5. When two words are multiplied (one in BX), the most significant word of result will be in _______, and the least significant word will be in __________ (1 Mark) a. BX, CX b. CX, BX c. AX, DX d. DX, AX 6. Compare and contrast SUB and CMP instructions? (1 Mark) 7. Write the contents of AH and BL after execution of the program. (1 Mark) MOV AH,40h SAL AH, 01 MOV BL,80h SAR BL,01 HLT AH= ____________ BL= ____________ 8. Write the contents of AL and BL register after execution of the program (1 Mark) MOV AL, FFh MOV BL, AL CMP AL, F0H SUB BL,10H HLT AL= ____________ BL= ____________ 9. Identify and correct the mistakes. (1 Mark) MOV AX, 32H ____________________ MOV BL, 2424H ____________________ DAS AX, BL ____________________ HLT ____________________ 10. Write an ALP to rotate right the contents of AL register 4 times including carry and save the result in DH register (1 Mark)
For sub $rd, $rs, $rtReg[rd] = Reg[rs] + Reg[rt] - Which resources (blocks) perform a useful function for the given instructions? - Use the following diagram for each instruction and trace its flow(use pen or highlighter) for the execution of that instruction. - List the units that are used for each instruction. (I mainly need help with tracing, please and thank you)
Question 7: In the following instruction sequence, show the resulting value of AL where indicated, in Hexadecimal: a. mov al,7Ah not al ; . b. mov al,72h xor al,0DCh ; and also write instructions that first clear bit positions 0,1 and 2 in AL. Then, if the destination operand is equal to zero, the code should jump to label LABEL1. Otherwise, it should jump to label NEXT
Assume the following register contents: $t0 = 0x01234567, $t1 = 0x56781234. Set back to these values back after answering each question. For the register values shown above, what is the value of registers ($t0, $t1, $t2, $t3) after executing each instruction? sll $t2, $t0, 2 and $t3, $t2, $t1
For the following MIPS assembly instructions what is the corresponding C statement? Assume that variables f,g,h,i, and j are assigned to registers $s0, $s1, $s2, $s3, and $s4. Assume that the base address of the arrays A and B are in registers $s6 and $s7, respectively. Add comments for each line to describe what each instruction does. addi $t0, $s6, 4 # $t0 = &A+4 = &A[1] add $t1, $s6, $zero # sw $t1, 0($t0) # lw $t0, 0($t0) # add $s0, $t1, $t0 #
6. Fill in the requested register values on the right side of the following instruction sequence:mov esi,OFFSET myBytesmov ax,[esi] ; a. AX =mov eax,DWORD PTR myWords ; b. EAX =mov esi,myPointermov ax,[esi+2] ; c. AX =mov ax,[esi+6] ; d. AX =mov ax,[esi-4] ; e. AX =
What will be the values stored in registers r1 and r0 after the execution of the instruction mul r16, r17 if r16 and r17 originally contain the following values? (a) 0x58 and 0x37 (b) 0x29 and 0x49