Homework Answers
ADDI $t8 $s5 0xF5CB
Binary: 00100010101110001111010111001011
Hex: 0x22b8f5cb
| 31 | 26 | 25 | 21 | 20 | 16 | 15 | 0 |
| ADDI | $s5 | $t8 | immediate | ||||
| 001000 | 10101 | 11000 | 1111010111001011 | ||||
| 6 | 5 | 5 | 16 |
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Dissasemble the following instruction (change it from machine code to assembly): 0x22b8f5cb Registers numbers are provided...
a).For the following MIPS assembly code to be executed using the pipelined datapath, identify all of...
a).For the following MIPS assembly code to be executed using the pipelined datapath, identify all of the data dependencies (which register in which instruction needs the result register value from which another instruction?) and enumerate them (give them numbers as 1,2, ...). b).Which dependencies are data hazards that will be resolved via forwarding and without a stall (you can specify the number(s) from the part a)? c).Which dependencies are data hazards that will cause a stall (you can specify the...
[6 marks Consider the following MIPS code. Determine which registers are being read and which register will be written at the fifth cycle? 5) dd $t4, $t5 St6 dd $t7, $t8, $t9 [6 marks Conside...
[6 marks Consider the following MIPS code. Determine which registers are being read and which register will be written at the fifth cycle? 5) dd $t4, $t5 St6 dd $t7, $t8, $t9
[6 marks Consider the following MIPS code. Determine which registers are being read and which register will be written at the fifth cycle? 5) dd $t4, $t5 St6 dd $t7, $t8, $t9
The following question based on MIPS assembly language: Given this Intermediate File of a Compiler #1...
The following question based on MIPS assembly language:
Given this Intermediate File of a Compiler #1 Indx Indx tl #2 t3 t4 Indx (20) tl t2 t3 t4 t5 .= (2) #25 #1 #10 MLK #1 #1 t5 JGT (5) * t6 Indx t8 #1 #10 MLK #1 tl1 t8 t9 t10 tl1 t12 t13 CBA[t7] 10) (12) * #2 (13) (14)9 (15) t12 (16) := (17)+ (18) := t14 19) JMP (20) t10 ZYX[tl3] #1 Indx t14 Indx Optimize...
Ch04.2. [3 points] Consider the following assembly language code: I0: ADD R4 R1RO I1: SUB R9R3 R4...
Ch04.2. [3 points] Consider the following assembly language code: I0: ADD R4 R1RO I1: SUB R9R3 R4; I2: ADD R4 - R5+R6 I3: LDW R2MEMIR3100]; 14: LDW R2 = MEM [R2 + 0]; 15: STW MEM [R4 + 100] = R3 ; I6: AND R2R2 & R1; 17: BEQ R9R1, Target; I8: AND R9 R9&R1 Consider a pipeline with forwarding, hazard detection, and 1 delay slot for branches. The pipeline is the typical 5-stage IF, ID, EX, MEM, WB MIPS...
Assignment 4 File “quad_sol.s” contains a quadratic polynomial solver, which calculates the integer solution of a quadratic polynomial equation. 1. Rewrite the program using instructions reordering to...
Assignment 4 File “quad_sol.s” contains a quadratic polynomial solver, which calculates the integer solution of a quadratic polynomial equation. 1. Rewrite the program using instructions reordering to reduce the number of cycles needed to execute the program. Indicate the number of cycle reduction. 2. Describe how forwarding would affect the execution of the program. CODE # quad_sol.s # This assembly program calculates the integer solutions of a quadratic polynomial. # Inputs : The coefficients a,b,c of the equation a*x^2 +...
Please answer the following questions involving MIPS assembly code: A) For the C statement below, what...
Please answer the following questions involving MIPS assembly code: A) For the C statement below, what is the corresponding MIPS assembly code? Assume f, g are stored in S1 and S2. f = g + (-f -5) B) For the C statement below, what is the corresponding MIPS assembly code? Assume i and j are assigned in registers S1 and S2 respectively and base of address of arrays A and B are in registers S6 and S7. B[8] = A[i...
Consider the following MIPS code: add $t3,$t2,$t1 lw $t4,0($t3) sw $t7,0($t3) add $t6,$t2,$t8 addi $t3,$t5,4 (a)...
Consider the following MIPS code: add $t3,$t2,$t1 lw $t4,0($t3) sw $t7,0($t3) add $t6,$t2,$t8 addi $t3,$t5,4 (a) Draw a general pipeline diagram from CC1 to CC5 (b) Can you identify the type of hazard in pipeline for executing the code? (c) What is the solution to the hazard? If NOP (noop or bubbles) have to be inserted to avoid hazard, where will you put them? (d) Put the code into the MIPS simulator and observe your findings. You may want to...
4. (3 pts. each) Write the hexadecimal representation of each MIPS assembly instruction: (4.1) sub $s3,...
4. (3 pts. each) Write the hexadecimal representation of each MIPS assembly instruction: (4.1) sub $s3, $t1, $s2 (4.2) bne $t3, $t4, 18 (4.3) sll $s0, $t5, 2 5. (20 pts.) Consider the following C (or java) code: else f=f+2; By storing the value of j in Ss0, write a sequence of MIPS assembly instructions that will execute these lines of code for the following two cases: (5.1) assuming that the values of f, g and h are stored in...
4. Given below is the MIPS instruction set for the R and I format along with...
4. Given below is the MIPS instruction set for the R and I format along with examples of some operations. The function and opcodes are given in hexadecimal system t (5 bits) funct (6 bits 20 Inst Format op (6 bits) rs (5 bits)rt (5 bits) 0 0 reg2 reg2 0 0 regl Su InstFormat op (6 bits rs (5 bits) addi regl regl re regl regl constant constant constant constant 23 2b constant InstFormat jump constant Table 1: MIPS...
Please comment the MIPS code to help me understand. Here is what the code accomplishes. Here...
Please comment the MIPS code to help me understand.
Here is what the code accomplishes.
Here is the code, partially commented.
.data
Matrix: .word 41,45,5, 34,8,
15,16,23,44,48,12,32,18,47,22,8,22
.word 46,40,42,33,13,38,27,6, 29,25,18,40,47,22,26,14,3
.word 7, 48,35,9, 43,38,9, 49,28,25,42,5, 44,10,5, 38,14
.word 46,33,16,6, 13,20,31,1, 8, 17,1, 47,28,46,14,28,7
.word 32,2, 48,25,41,29,14,39,43,46,3, 39,32,49,41,28,46
.word 5, 43,2, 48,13,4, 33,41,32,19,9, 25,30,22,2, 9, 40
.word 14,47,22,18,47,3, 35,44,18,6, 33,22,11,6, 47,50,4
.word 28,34,20,30,18,27,38,5, 26,40,37,23,16,13,37,8,7
.word 48,38,39,12,10,39,23,20,21,20,33,16,24,21,25,3,46
.word 49,38,40,38,13,47,5, 13,4, 13,23,26,12,30,29,29, 3
.word 8, 20,10,13,31,7, 12,41,12,21,28,26,43,14,35,10,19
.word 49,33,25,26,24,29,46,22,7, 5, 15,41,10,31,19,41,27
.word 48,9,...
[6 marks Consider the following MIPS code. Determine which registers are being read and which register will be written at the fifth cycle? 5) dd $t4, $t5 St6 dd $t7, $t8, $t9
[6 marks Consider the following MIPS code. Determine which registers are being read and which register will be written at the fifth cycle? 5) dd $t4, $t5 St6 dd $t7, $t8, $t9
The following question based on MIPS assembly language:
Given this Intermediate File of a Compiler #1 Indx Indx tl #2 t3 t4 Indx (20) tl t2 t3 t4 t5 .= (2) #25 #1 #10 MLK #1 #1 t5 JGT (5) * t6 Indx t8 #1 #10 MLK #1 tl1 t8 t9 t10 tl1 t12 t13 CBA[t7] 10) (12) * #2 (13) (14)9 (15) t12 (16) := (17)+ (18) := t14 19) JMP (20) t10 ZYX[tl3] #1 Indx t14 Indx Optimize...
Ch04.2. [3 points] Consider the following assembly language code: I0: ADD R4 R1RO I1: SUB R9R3 R4; I2: ADD R4 - R5+R6 I3: LDW R2MEMIR3100]; 14: LDW R2 = MEM [R2 + 0]; 15: STW MEM [R4 + 100] = R3 ; I6: AND R2R2 & R1; 17: BEQ R9R1, Target; I8: AND R9 R9&R1 Consider a pipeline with forwarding, hazard detection, and 1 delay slot for branches. The pipeline is the typical 5-stage IF, ID, EX, MEM, WB MIPS...
4. (3 pts. each) Write the hexadecimal representation of each MIPS assembly instruction: (4.1) sub $s3, $t1, $s2 (4.2) bne $t3, $t4, 18 (4.3) sll $s0, $t5, 2 5. (20 pts.) Consider the following C (or java) code: else f=f+2; By storing the value of j in Ss0, write a sequence of MIPS assembly instructions that will execute these lines of code for the following two cases: (5.1) assuming that the values of f, g and h are stored in...
4. Given below is the MIPS instruction set for the R and I format along with examples of some operations. The function and opcodes are given in hexadecimal system t (5 bits) funct (6 bits 20 Inst Format op (6 bits) rs (5 bits)rt (5 bits) 0 0 reg2 reg2 0 0 regl Su InstFormat op (6 bits rs (5 bits) addi regl regl re regl regl constant constant constant constant 23 2b constant InstFormat jump constant Table 1: MIPS...
Please comment the MIPS code to help me understand.
Here is what the code accomplishes.
Here is the code, partially commented.
.data
Matrix: .word 41,45,5, 34,8,
15,16,23,44,48,12,32,18,47,22,8,22
.word 46,40,42,33,13,38,27,6, 29,25,18,40,47,22,26,14,3
.word 7, 48,35,9, 43,38,9, 49,28,25,42,5, 44,10,5, 38,14
.word 46,33,16,6, 13,20,31,1, 8, 17,1, 47,28,46,14,28,7
.word 32,2, 48,25,41,29,14,39,43,46,3, 39,32,49,41,28,46
.word 5, 43,2, 48,13,4, 33,41,32,19,9, 25,30,22,2, 9, 40
.word 14,47,22,18,47,3, 35,44,18,6, 33,22,11,6, 47,50,4
.word 28,34,20,30,18,27,38,5, 26,40,37,23,16,13,37,8,7
.word 48,38,39,12,10,39,23,20,21,20,33,16,24,21,25,3,46
.word 49,38,40,38,13,47,5, 13,4, 13,23,26,12,30,29,29, 3
.word 8, 20,10,13,31,7, 12,41,12,21,28,26,43,14,35,10,19
.word 49,33,25,26,24,29,46,22,7, 5, 15,41,10,31,19,41,27
.word 48,9,...
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