Consider this assembly code:
movl %edi, %eax
shrl $31, %eax
ret
Which of the following C functions compiled into the assembly code shown?

Question

Consider this assembly code: 
       movl  %edi, %eax 
       shrl $31, %eax 
       ret 
 Which of the following C functions compiled into the assembly code shown?

Answer

int choice2(int x) { return (x << 31) & 1; }

Answer

int choice1(int x) { return (x < 0); }

Answer

int choice3(int x) { return 15 * x; }

Crowdly

Consider this assembly code: movl %edi, %eax shrl $31, %eax ...

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