See this real-world assembler for example https://github.com/oracle/graal/tree/m...

		chrisseaton on May 28, 2019 \| parent \| context \| favorite \| on: An x86 Assembler in 256 LOC (2017) See this real-world assembler for example https://github.com/oracle/graal/tree/master/compiler/src/org... Then take a random instruction https://github.com/oracle/graal/blob/master/compiler/src/org... See how it has common methods used by other instructions simdPrefix and emitModRM? Those are the abstractions.