Method compile_addcompare

crates/codegen/src/compile.rs:6885–6921

[CPython `compiler_addcompare`](https://github.com/python/cpython/blob/627894459a84be3488a1789919679c997056a03c/Python/compile.c#L2880-L2924)

(&mut self, op: &ast::CmpOp)

    /// [CPython `compiler_addcompare`](https://github.com/python/cpython/blob/627894459a84be3488a1789919679c997056a03c/Python/compile.c#L2880-L2924)
    fn compile_addcompare(&mut self, op: &ast::CmpOp) {
        use bytecode::ComparisonOperator::*;
        match op {
            ast::CmpOp::Eq => emit!(self, Instruction::CompareOp { opname: Equal }),
            ast::CmpOp::NotEq => emit!(self, Instruction::CompareOp { opname: NotEqual }),
            ast::CmpOp::Lt => emit!(self, Instruction::CompareOp { opname: Less }),
            ast::CmpOp::LtE => emit!(
                self,
                Instruction::CompareOp {
                    opname: LessOrEqual
                }
            ),
            ast::CmpOp::Gt => emit!(self, Instruction::CompareOp { opname: Greater }),
            ast::CmpOp::GtE => {
                emit!(
                    self,
                    Instruction::CompareOp {
                        opname: GreaterOrEqual
                    }
                )
            }
            ast::CmpOp::In => emit!(self, Instruction::ContainsOp { invert: Invert::No }),
            ast::CmpOp::NotIn => emit!(
                self,
                Instruction::ContainsOp {
                    invert: Invert::Yes
                }
            ),
            ast::CmpOp::Is => emit!(self, Instruction::IsOp { invert: Invert::No }),
            ast::CmpOp::IsNot => emit!(
                self,
                Instruction::IsOp {
                    invert: Invert::Yes
                }
            ),
        }
    }

    /// Compile a chained comparison.
    ///