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 8046516
27 * @summary Segmentation fault in JVM (easily reproducible)
28 * @run main/othervm -XX:-TieredCompilation -Xbatch TestLogSum
29 * @author jackkamm@gmail.com
30 */
31
32 import java.util.Arrays;
33 import java.util.HashMap;
34 import java.util.List;
35 import java.util.Map;
36 public class TestLogSum {
37 public static void main(String[] args) {
38 double sum;
39
40 for (int i = 0; i < 6; i++) {
41 for (int n = 2; n < 30; n++) {
42 for (int j = 1; j <= n; j++) {
43 for (int k = 1; k <= j; k++) {
44 // System.out.println(computeSum(k, j));
45 sum = computeSum(k, j);
46 }
47 }
48 }
49 }
50 }
51
52 private static Map<List<Integer>, Double> cache = new HashMap<List<Integer>, Double>();
53 public static double computeSum(int x, int y) {
54 List<Integer> key = Arrays.asList(new Integer[] {x, y});
55
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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 8046516
27 * @summary Segmentation fault in JVM (easily reproducible)
28 *
29 * @run main/othervm -XX:-TieredCompilation -Xbatch compiler.loopopts.TestLogSum
30 * @author jackkamm@gmail.com
31 */
32
33 package compiler.loopopts;
34
35 import java.util.Arrays;
36 import java.util.HashMap;
37 import java.util.List;
38 import java.util.Map;
39
40 public class TestLogSum {
41 public static void main(String[] args) {
42 double sum;
43
44 for (int i = 0; i < 6; i++) {
45 for (int n = 2; n < 30; n++) {
46 for (int j = 1; j <= n; j++) {
47 for (int k = 1; k <= j; k++) {
48 // System.out.println(computeSum(k, j));
49 sum = computeSum(k, j);
50 }
51 }
52 }
53 }
54 }
55
56 private static Map<List<Integer>, Double> cache = new HashMap<List<Integer>, Double>();
57 public static double computeSum(int x, int y) {
58 List<Integer> key = Arrays.asList(new Integer[] {x, y});
59
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