package compiler.c2.aarch64;

import java.lang.reflect.Field;

import jdk.internal.misc.Unsafe;

class TestUnsafeVolatileLoad

{

    public volatile int f_int = 0;

    public volatile Integer f_obj = Integer.valueOf(0);

    public static Unsafe unsafe = Unsafe.getUnsafe();

    public static Field f_int_field;

    public static Field f_obj_field;

    public static long f_int_off;

    public static long f_obj_off;

    static {

        try {

            f_int_field = TestUnsafeVolatileLoad.class.getField("f_int");

            f_obj_field = TestUnsafeVolatileLoad.class.getField("f_obj");

            f_int_off = unsafe.objectFieldOffset(f_int_field);

            f_obj_off = unsafe.objectFieldOffset(f_obj_field);

        } catch (Exception e) {

            System.out.println("reflection failed " + e);

            e.printStackTrace();

        }

    }

    public static void main(String[] args)

    {

        final TestUnsafeVolatileLoad t = new TestUnsafeVolatileLoad();

        for (int i = 0; i < 100_000; i++) {

            t.f_int = i;

            int r = t.testInt();

            if (r != i) {

                throw new RuntimeException("bad result!");

            }

        }

        for (int i = 0; i < 100_000; i++) {

            t.f_obj = Integer.valueOf(i);

            int r = t.testObj();

            if (r != i) {

                throw new RuntimeException("bad result!");

            }

        }

    }

    public int testInt()

    {

        return unsafe.getIntVolatile(this, f_int_off);

    }

    public int testObj()

    {

    }

}