CS501-Advance Computer Architecture Assignment No. 2

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Aslam o alekum every body yar koi hai jo is ka solution bana dey plz koi to upload kar do aj last day hai. is ka plz plz plz Spring%202011_CS501_2.doc

 

 

Instructions Please read the following instructions carefully before submitting assignment: It should be clear that your assignment will not get any credit if: The assignment is submitted after due date. The submitted assignment does not open or file corrupt. The assignment is copied. There is not mentioned the student Id in the assignment or            name of file is other than student ID GOOD LUCK

Question No: 1

Specify the condition for the branch instruction and the status of the PC after the branch instruction executes with a true branch condition.   Instruction Condition PC status Jump[20]     Jnz r3,[33]     Jz r1,[16]     Jpl r5,[37]     Jmi r7,[40]         Question No: 2 Marks: 10     Identify the addressing modes and Register Transfer Language(RTL) description(meaning) for the given Falcon-A instructions   Instruction Addressing Mode RTL description(meaning) Load r3,[r5+27]     Jnz r5,[15]     Shiftl r3,r2,5     Add r6,r5,r7     Subi r4,r3,17

Deadline Your assignment must be uploaded/submitted at or before Monday ,2nd May 2011

[Yousuf khan]

Instruction Condition PC status
Jump[20] always PCPC+20
Jnz r3,[33] If R3≠0 PCPC+33
Jz r1,[16] If R1==0 PCPC+16
Jpl r5,[37] If R5≥0 PCPC+37
Jmi r7,[40] If R7<0 PCPC+40

[Yousuf khan]

Instruction Addressing Mode RTL description(meaning)
Load r3,[r5+27] Displacement R[3] M[R[5]+27]
Jnz r5,[15] Relative (R[5]≠0): PC PC+15
Shiftl r3,r2,5 immediate Shift r2 left 5 times and store in r3
Add r6,r5,r7 Register R[6]R[5]+R[7]
Subi r4,r3,17 immediate R[4]R[3]-17

[+ M.Tariq Malik]

See the attached file for solution

[+ M.Tariq Malik]

Q#01

Specify the condition for the branch instruction and the status of the PC after the branch instruction executes with a true branch condition.

solution

Instruction

Condition

PC status

Jump[20]

Always

PC← PC+20

Jnz r3,[33]

If R[3] ≠ 0

PC← PC+33

Jz r1,[16]

If R[1] = = 0

PC← PC+16

Jpl r5,[37]

If R[5] ≥0

PC← PC+37

Jmi r7,[40]

If R[7] < 0

PC← PC+40

Q#02

Identify the addressing modes and Register Transfer Language(RTL) description(meaning) for the given Falcon-A instructions

solution

Instruction

Addressing Mode

RTL description(meaning)

Load r3,[r5+27]

Displacement

R[3] ← M[R[5] +27]

Jnz r5,[15]

Relative

(If R[5] ≠ 0): PC← PC+15

Shiftl r3,r2,5

Immediate

Shift r3 left 6 times and store in r2

Add r6,r5,r7

Register

R[6] ← R[5] + R[7]

Subi r4,r3,17

Immediate

R[4] ← R[3] -17

Deadline

Your assignment must be uploaded/submitted at or before Monday ,2^nd May 2011