Machine dependent phase. How is it?

Question

Answer 1

Lexical

Syntax

Semantic

Intermediate

Above phases of compiler is known as frontend and these are common for any platform.

Code generation is known as backend and it is machine dependent phase.

Answer 2

Intermediate Code Generation is machine independent. Whereas, Target Code Generation or simply Code Generation is machine dependent because it has to finally convert the pure High Level Language compiler received initially to assembly code for an Assembler to process. Since Assemblers themselves are machine/platform dependent, Code Generation, whose output is input to Assemblers, is also machine dependent.