13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8000968
  27  * @key regression
  28  * @summary NPG: UseCompressedClassPointers asserts with ObjectAlignmentInBytes=32
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires vm.bits == 64
  33  * @run main CompressedKlassPointerAndOops
  34  */
  35 
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 
  40 public class CompressedKlassPointerAndOops {
  41 
  42     public static void main(String[] args) throws Exception {
  43         runWithAlignment(16);
  44         runWithAlignment(32);
  45         runWithAlignment(64);
  46         runWithAlignment(128);
  47     }
  48 
  49     private static void runWithAlignment(int alignment) throws Exception {
  50         ProcessBuilder pb;
  51         OutputAnalyzer output;
  52 
  53         pb = ProcessTools.createJavaProcessBuilder(

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 8000968
  27  * @key regression
  28  * @summary NPG: UseCompressedClassPointers asserts with ObjectAlignmentInBytes=32
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @requires vm.bits == 64
  33  * @run driver CompressedKlassPointerAndOops
  34  */
  35 
  36 import jdk.test.lib.Platform;
  37 import jdk.test.lib.process.ProcessTools;
  38 import jdk.test.lib.process.OutputAnalyzer;
  39 
  40 public class CompressedKlassPointerAndOops {
  41 
  42     public static void main(String[] args) throws Exception {
  43         runWithAlignment(16);
  44         runWithAlignment(32);
  45         runWithAlignment(64);
  46         runWithAlignment(128);
  47     }
  48 
  49     private static void runWithAlignment(int alignment) throws Exception {
  50         ProcessBuilder pb;
  51         OutputAnalyzer output;
  52 
  53         pb = ProcessTools.createJavaProcessBuilder(