Question
6. You know the following assembly code snippet is from a for loop in C. Determine the for loop behavior by determining a-what does the
6. You know the following assembly code snippet is from a for loop in C. Determine the for loop behavior by determining a-what does the loop counter get initialized to? b-what is the conditional end check of the loop? c-how is the loop counter modified? d-what happens in the body of the loop? Recall the jg instruction jumps if the result is greater than 0. Assume there is a variable called data stored at -24(%rbp) that is initialized to a value before the code snippet. (20 points, 5 points each for a-d described above)
movl $0, -32(%rbp) movl $16, -28(%rbp) jmp .L2 .L3: movq -24(%rbp), %rdx movl -28(%rbp), %eax movq %rdx, %rbx movl %eax, %ecx sarq %cl, %rbx movq %rbx, %rax andl $1, %eax xorl %eax, -32(%rbp) addl $1, -28(%rbp) .L2: cmpl $47, -28(%rbp) jle .L
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