A function test_one has the following overall structure:

Reverse engineer the operation of this code and then do the following:

A. Determine what loop translation method was used.

B. Use the assembly-code version to fill in the missing parts of the C code.

C. Describe in English what this function computes.

Transcribed Image Text:

short test_one (unsigned short x) { short val = 1; while (...) { } The GCC C compiler generates the following assembly code: short test_one(unsigned short x) x in %rdi 1 2 3 4 5 6 } return 7 8 9 10 11 test_one: movl jmp .L6: xorq shrq .L5: testq jne andl ret $1, %eax .L5 %rdi, %rax %rdi %rdi, %rdi .L6 $0, %eax Shift right by 1