8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
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 8032011
27 * @summary biased locking's revoke_bias locks monitor in compiled frame with eliminated lock
28 * @run main/othervm -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestLockEliminatedAtDeopt$A.m2 -XX:-BackgroundCompilation -XX:BiasedLockingStartupDelay=0 TestLockEliminatedAtDeopt
29 *
30 */
31
32 public class TestLockEliminatedAtDeopt {
33
34 static class A {
35 void m() {
36 }
37
38 // This lock is not eliminated but biased to main thread on
39 // first call
40 synchronized void m2(boolean trap) {
41 if (trap) {
42 new B();
43 }
44 }
45 }
46
47 static class B extends A {
48 void m() {
49 }
50 }
51
|
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 8032011
27 * @summary biased locking's revoke_bias locks monitor in compiled frame with eliminated lock
28 *
29 * @run main/othervm -XX:-UseOnStackReplacement
30 * -XX:CompileCommand=dontinline,compiler.uncommontrap.TestLockEliminatedAtDeopt$A::m2
31 * -XX:-BackgroundCompilation -XX:BiasedLockingStartupDelay=0
32 * compiler.uncommontrap.TestLockEliminatedAtDeopt
33 */
34
35 package compiler.uncommontrap;
36
37 public class TestLockEliminatedAtDeopt {
38
39 static class A {
40 void m() {
41 }
42
43 // This lock is not eliminated but biased to main thread on
44 // first call
45 synchronized void m2(boolean trap) {
46 if (trap) {
47 new B();
48 }
49 }
50 }
51
52 static class B extends A {
53 void m() {
54 }
55 }
56
|