10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * @test
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary
30 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox
31 * -XX:CompileOnly=::valueOf,::byteValue,::shortValue,::testUnsignedByte,::testUnsignedShort
32 * UnsignedLoads
33 */
34 import static jdk.test.lib.Asserts.assertEQ;
35
36 public class UnsignedLoads {
37 public static int testUnsignedByte() {
38 byte[] bytes = new byte[] {-1};
39 int res = 0;
40 for (int i = 0; i < 100000; i++) {
41 for (Byte b : bytes) {
42 res = b & 0xff;
43 }
44 }
45 return res;
46 }
47
48 public static int testUnsignedShort() {
49 int res = 0;
50 short[] shorts = new short[] {-1};
51 for (int i = 0; i < 100000; i++) {
52 for (Short s : shorts) {
53 res = s & 0xffff;
|
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * @test
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary
30 *
31 * @run main/othervm -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox
32 * -XX:CompileOnly=::valueOf,::byteValue,::shortValue,::testUnsignedByte,::testUnsignedShort
33 * compiler.eliminateAutobox.UnsignedLoads
34 */
35
36 package compiler.eliminateAutobox;
37
38 import static jdk.test.lib.Asserts.assertEQ;
39
40 public class UnsignedLoads {
41 public static int testUnsignedByte() {
42 byte[] bytes = new byte[] {-1};
43 int res = 0;
44 for (int i = 0; i < 100000; i++) {
45 for (Byte b : bytes) {
46 res = b & 0xff;
47 }
48 }
49 return res;
50 }
51
52 public static int testUnsignedShort() {
53 int res = 0;
54 short[] shorts = new short[] {-1};
55 for (int i = 0; i < 100000; i++) {
56 for (Short s : shorts) {
57 res = s & 0xffff;
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