C is not assembly, nor is it portable assembly at all in this century, so your phrasing is very off. C code will go through a huge amounts of transformations b

C is not assembly, nor is it portable assembly at all in this century, so your phrasing is very off. C code will go through a huge amounts of transformations by the compiler, and unless you are a compiler expert you will have no idea how the resulting code looks. It's not targeting the PDP-11 anymore.