Method execute_binary_op_int

crates/vm/src/frame.rs:8133–8153

(
        &mut self,
        vm: &VirtualMachine,
        op: impl FnOnce(&BigInt, &BigInt) -> BigInt,
        deopt_op: bytecode::BinaryOperator,
    )

    /// Fallback to generic binary op if either operand is not an exact int.
    #[inline]
    fn execute_binary_op_int(
        &mut self,
        vm: &VirtualMachine,
        op: impl FnOnce(&BigInt, &BigInt) -> BigInt,
        deopt_op: bytecode::BinaryOperator,
    ) -> FrameResult {
        let b = self.top_value();
        let a = self.nth_value(1);
        if let (Some(a_int), Some(b_int)) = (
            a.downcast_ref_if_exact::<PyInt>(vm),
            b.downcast_ref_if_exact::<PyInt>(vm),
        ) {
            let result = op(a_int.as_bigint(), b_int.as_bigint());
            self.pop_value();
            self.pop_value();
            self.push_value(vm.ctx.new_bigint(&result).into());
            Ok(None)
        } else {
            self.execute_bin_op(vm, deopt_op)
        }
    }

    /// Execute a specialized binary op on two float operands.
    /// Fallback to generic binary op if either operand is not an exact float.