The gigantic difference is that assembly language has extremely simple semantics, while C has very complex semantics. Similarly, assembler output is quite predi

The gigantic difference is that assembly language has extremely simple semantics, while C has very complex semantics. Similarly, assembler output is quite predictable, while C compilers are anything but. So the level of match between the Rust code and the machine code you'll get from a Rust-to-assembly compiler will be much, much easier to understand than the match you'll get between the Rust code and the machine code produced by a C compiler compiling C code output by a Rust-to-C transpiler.