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 5057225
27 * @summary Remove useless I2L conversions
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary
30 * @run main/othervm -Xcomp -XX:CompileOnly=Test5057225.doload Test5057225
31 */
32
33 import jdk.test.lib.Utils;
34
35 public class Test5057225 {
36 static byte[] ba = new byte[] { -1 };
37 static short[] sa = new short[] { -1 };
38 static int[] ia = new int[] { -1 };
39
40 static final long[] BYTE_MASKS = {
41 0x0FL,
42 0x7FL, // 7-bit
43 0xFFL,
44 };
45
46 static final long[] SHORT_MASKS = {
47 0x000FL,
48 0x007FL, // 7-bit
49 0x00FFL,
50 0x0FFFL,
51 0x3FFFL, // 14-bit
52 0x7FFFL, // 15-bit
53 0xFFFFL,
54 };
55
56 static final long[] INT_MASKS = {
57 0x0000000FL,
58 0x0000007FL, // 7-bit
59 0x000000FFL,
60 0x00000FFFL,
61 0x00003FFFL, // 14-bit
62 0x00007FFFL, // 15-bit
63 0x0000FFFFL,
64 0x00FFFFFFL,
65 0x7FFFFFFFL, // 31-bit
66 0xFFFFFFFFL,
67 };
68
69 public static void main(String[] args) throws Exception {
70 for (int i = 0; i < BYTE_MASKS.length; i++) {
71 System.setProperty("value", "" + BYTE_MASKS[i]);
72 loadAndRunClass("Test5057225$loadUB2L");
73 }
74
75 for (int i = 0; i < SHORT_MASKS.length; i++) {
76 System.setProperty("value", "" + SHORT_MASKS[i]);
77 loadAndRunClass("Test5057225$loadUS2L");
78 }
79
80 for (int i = 0; i < INT_MASKS.length; i++) {
81 System.setProperty("value", "" + INT_MASKS[i]);
82 loadAndRunClass("Test5057225$loadUI2L");
83 }
84 }
85
86 static void check(long result, long expected) {
87 if (result != expected)
88 throw new InternalError(result + " != " + expected);
89 }
90
91 static void loadAndRunClass(String classname) throws Exception {
92 Class cl = Class.forName(classname);
93 ClassLoader apploader = cl.getClassLoader();
94 ClassLoader loader
95 = Utils.getTestClassPathURLClassLoader(apploader.getParent());
96 Class c = loader.loadClass(classname);
97 Runnable r = (Runnable) c.newInstance();
98 r.run();
99 }
100
101 public static class loadUB2L implements Runnable {
102 static final long MASK;
|
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 5057225
27 * @summary Remove useless I2L conversions
28 * @modules java.base/jdk.internal.misc
29 * @library /testlibrary
30 *
31 * @run main/othervm -Xcomp
32 * -XX:CompileCommand=compileonly,compiler.c2.Test5057225::doload
33 * compiler.c2.Test5057225
34 */
35
36 package compiler.c2;
37 import jdk.test.lib.Utils;
38
39 public class Test5057225 {
40 static byte[] ba = new byte[] { -1 };
41 static short[] sa = new short[] { -1 };
42 static int[] ia = new int[] { -1 };
43
44 static final long[] BYTE_MASKS = {
45 0x0FL,
46 0x7FL, // 7-bit
47 0xFFL,
48 };
49
50 static final long[] SHORT_MASKS = {
51 0x000FL,
52 0x007FL, // 7-bit
53 0x00FFL,
54 0x0FFFL,
55 0x3FFFL, // 14-bit
56 0x7FFFL, // 15-bit
57 0xFFFFL,
58 };
59
60 static final long[] INT_MASKS = {
61 0x0000000FL,
62 0x0000007FL, // 7-bit
63 0x000000FFL,
64 0x00000FFFL,
65 0x00003FFFL, // 14-bit
66 0x00007FFFL, // 15-bit
67 0x0000FFFFL,
68 0x00FFFFFFL,
69 0x7FFFFFFFL, // 31-bit
70 0xFFFFFFFFL,
71 };
72
73 public static void main(String[] args) throws Exception {
74 for (int i = 0; i < BYTE_MASKS.length; i++) {
75 System.setProperty("value", "" + BYTE_MASKS[i]);
76 loadAndRunClass(Test5057225.class.getName() + "$loadUB2L");
77 }
78
79 for (int i = 0; i < SHORT_MASKS.length; i++) {
80 System.setProperty("value", "" + SHORT_MASKS[i]);
81 loadAndRunClass(Test5057225.class.getName() + "$loadUS2L");
82 }
83
84 for (int i = 0; i < INT_MASKS.length; i++) {
85 System.setProperty("value", "" + INT_MASKS[i]);
86 loadAndRunClass(Test5057225.class.getName() + "$loadUI2L");
87 }
88 }
89
90 static void check(long result, long expected) {
91 if (result != expected)
92 throw new InternalError(result + " != " + expected);
93 }
94
95 static void loadAndRunClass(String classname) throws Exception {
96 Class cl = Class.forName(classname);
97 ClassLoader apploader = cl.getClassLoader();
98 ClassLoader loader
99 = Utils.getTestClassPathURLClassLoader(apploader.getParent());
100 Class c = loader.loadClass(classname);
101 Runnable r = (Runnable) c.newInstance();
102 r.run();
103 }
104
105 public static class loadUB2L implements Runnable {
106 static final long MASK;
|