C) (5 Points) Consider the following x86-64 assembly code generated by a particular version of GCC with particular settings of the command-line options: This assembly code was generated by compiling C code that had the following form: long loop(long x, long n )\{ long result = long mask; \} 1. Which registers hold program values x,n, result, and mask? 2. What are the initial values of result and mask? 3. What is the test condition for mask? 4. How does mask get updated? 5. Fill in all missing parts of the C code above