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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()
{
return ((Integer)unsafe.getObjectVolatile(this, f_obj_off));
}
}
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