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 8039043
27 * @summary Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off
28 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:CompileCommand=compileonly,C1NullCheckOfNullStore::test -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-UseCompressedOops C1NullCheckOfNullStore
29 *
30 */
31
32 public class C1NullCheckOfNullStore {
33 private static class Foo {
34 Object bar;
35 }
36 static private void test(Foo x) {
37 x.bar = null;
38 }
39 static public void main(String args[]) {
40 Foo x = new Foo();
41 for (int i = 0; i < 10000; i++) {
42 test(x);
43 }
44 boolean gotNPE = false;
45 try {
46 for (int i = 0; i < 10000; i++) {
47 test(null);
48 }
49 }
50 catch(NullPointerException e) {
51 gotNPE = true;
52 }
53 if (!gotNPE) {
54 throw new Error("Expecting a NullPointerException");
55 }
56 }
57 }
|
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 8039043
27 * @summary Null check is placed in a wrong place when storing a null to an object field on x64 with compressed oops off
28 *
29 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions
30 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1 -XX:-UseCompressedOops
31 * -XX:CompileCommand=compileonly,compiler.codegen.C1NullCheckOfNullStore::test
32 * compiler.codegen.C1NullCheckOfNullStore
33 */
34
35 package compiler.codegen;
36
37 public class C1NullCheckOfNullStore {
38 private static class Foo {
39 Object bar;
40 }
41
42 static private void test(Foo x) {
43 x.bar = null;
44 }
45
46 static public void main(String args[]) {
47 Foo x = new Foo();
48 for (int i = 0; i < 10000; i++) {
49 test(x);
50 }
51 boolean gotNPE = false;
52 try {
53 for (int i = 0; i < 10000; i++) {
54 test(null);
55 }
56 } catch (NullPointerException e) {
57 gotNPE = true;
58 }
59 if (!gotNPE) {
60 throw new Error("Expecting a NullPointerException");
61 }
62 }
63 }
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