16. Use the following data for the next question. All values are signed: .data v
ID: 3543071 • Letter: 1
Question
16. Use the following data for the next question. All values are signed:
.data
val1 SDWORD ?
val2 SDWORD ?
Which selection is the correct implementation of the following pseudocode? (5 points)
if( val1 > val2 || val2 > eax )
mov ebx,1;
else
mov ebx,2;
a.
mov val1,ebx
cmp ebx,val2
jng L1
cmp val2,eax
jg L1
mov ebx,2
jmp L2
L1: mov ebx,1
L2:
b.
mov val1,ebx
cmp ebx,val2
jg L1
cmp val2,eax
jg L1
mov ebx,2
jmp L2
L1: mov ebx,1
L2:
c.
mov val1,ebx
cmp val2,ebx
jg L1
cmp val2,eax
jg L2
mov ebx,2
jmp L2
L1: mov ebx,1
L2:
d.
mov val1,ebx
cmp ebx,val2
jle L1
cmp val2,eax
jle L1
mov ebx,1
jmp L2
L1: mov ebx,2
L2:
17. Which choice(s) contain correct implementations of the following pseudocode? Assume that all values are unsigned. (5 points)
if( eax > ebx )
mov dl,5;
else
mov dl,6;
a.
cmp eax,ebx
ja L1
mov dl,6
jmp L2
L1: mov dl,5
L2:
b.
cmp eax,ebx
ja L1
mov dl,5
jmp L2
L1: mov dl,6
L2:
c.
cmp eax,ebx
jbe L2
mov dl,5
jmp L2
L1: mov dl,6
L2:
d.
cmp eax,ebx
jna L1
mov dl,5
jmp L2
L1: mov dl,6
L2:
Explanation / Answer
16)b.
mov val1,ebx
cmp ebx,val2
jg L1
cmp val2,eax
jg L1
mov ebx,2
jmp L2
L1: mov ebx,1
L2:
17)d.
cmp eax,ebx
jna L1
mov dl,5
jmp L2
L1: mov dl,6
L2:
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