23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that if we use RTMDeopt, then deoptimization
  29  *          caused by reason other then rtm_state_change will reset
  30  *          method's RTM state. And if we don't use RTMDeopt, then
  31  *          RTM state remain the same after such deoptimization.
  32  * @library /testlibrary /../../test/lib /compiler/testlibrary
  33  * @modules java.base/sun.misc
  34  *          java.management
  35  * @build TestRTMAfterNonRTMDeopt
  36  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  37  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  38  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  39  *                   -XX:+WhiteBoxAPI TestRTMAfterNonRTMDeopt
  40  */
  41 
  42 import java.util.List;
  43 import com.oracle.java.testlibrary.*;
  44 import com.oracle.java.testlibrary.cli.CommandLineOptionTest;
  45 import com.oracle.java.testlibrary.cli.predicate.AndPredicate;
  46 import rtm.*;
  47 import rtm.predicate.SupportedCPU;
  48 import rtm.predicate.SupportedVM;
  49 import sun.misc.Unsafe;
  50 
  51 /**
  52  * To verify that with +UseRTMDeopt method's RTM state will be
  53  * changed to ProfileRTM on deoptimization unrelated to
  54  * rtm_state_change following sequence of events is used:
  55  * <pre>
  56  *
  57  *     rtm state ^
  58  *               |
  59  *       UseRTM  |      ******|     ******
  60  *               |            |
  61  *   ProfileRTM  |******|     |*****|
  62  *               |      |     |     |
  63  *              0-------|-----|-----|---------------------&gt; time
  64  *                      |     |     \ force abort
  65  *                      |     |

  23  */
  24 
  25 /**
  26  * @test
  27  * @bug 8031320
  28  * @summary Verify that if we use RTMDeopt, then deoptimization
  29  *          caused by reason other then rtm_state_change will reset
  30  *          method's RTM state. And if we don't use RTMDeopt, then
  31  *          RTM state remain the same after such deoptimization.
  32  * @library /testlibrary /../../test/lib /compiler/testlibrary
  33  * @modules java.base/sun.misc
  34  *          java.management
  35  * @build TestRTMAfterNonRTMDeopt
  36  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  37  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  38  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  39  *                   -XX:+WhiteBoxAPI TestRTMAfterNonRTMDeopt
  40  */
  41 
  42 import java.util.List;
  43 import jdk.test.lib.*;
  44 import jdk.test.lib.cli.CommandLineOptionTest;
  45 import jdk.test.lib.cli.predicate.AndPredicate;
  46 import rtm.*;
  47 import rtm.predicate.SupportedCPU;
  48 import rtm.predicate.SupportedVM;
  49 import sun.misc.Unsafe;
  50 
  51 /**
  52  * To verify that with +UseRTMDeopt method's RTM state will be
  53  * changed to ProfileRTM on deoptimization unrelated to
  54  * rtm_state_change following sequence of events is used:
  55  * <pre>
  56  *
  57  *     rtm state ^
  58  *               |
  59  *       UseRTM  |      ******|     ******
  60  *               |            |
  61  *   ProfileRTM  |******|     |*****|
  62  *               |      |     |     |
  63  *              0-------|-----|-----|---------------------&gt; time
  64  *                      |     |     \ force abort
  65  *                      |     |