Course Solutions Uncategorized (Solved) : 2 20 Consider Following C Function Long F Long Long B Long C Compiled Arch Gcc Resulting X Q34564184 . . . .

(Solved) : 2 20 Consider Following C Function Long F Long Long B Long C Compiled Arch Gcc Resulting X Q34564184 . . . .

 

2. [20] Consider the following C function long f(long a, long b, long c) When compiled (with Arch gcc), the resulting x86-64 code for the function body is addq %rsi, %rdx imu1q% rdx, %rdi salq $63, %rdx sarq $63, %rdx movq %rdi, %rax xorq %rax, %rax Assume that o is in %rdi, b is in %rsi, c is in %rdx, and that %rax is used to hold the return value. Your task is to reverse engineer the C code; specifically, to write a C implementation for the decode function that is functionally equivalent to the compiled x86-64 

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