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 /**
26 * @test
27 * @bug 8031321
28 * @summary Verify that results of computations are the same w/
29 * and w/o usage of intrinsic
30 * @library /testlibrary /testlibrary/whitebox
31 * @build TestLzcntI BMITestRunner Expr
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI TestLzcntI
35 */
36
37 import sun.hotspot.cpuinfo.CPUInfo;
38
39 public class TestLzcntI {
40
41 public static void main(String args[]) throws Throwable {
42 if (!CPUInfo.hasFeature("lzcnt")) {
43 System.out.println("CPU does not support lzcnt feature. " +
44 "Test skipped.");
45 return;
46 }
47
48 BMITestRunner.runTests(LzcntIExpr.class, args,
49 "-XX:+UseCountLeadingZerosInstruction");
50 }
51
52 public static class LzcntIExpr extends Expr.BitCountingIntExpr {
53
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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 /**
26 * @test
27 * @bug 8031321
28 * @summary Verify that results of computations are the same w/
29 * and w/o usage of intrinsic
30 * @library /testlibrary /testlibrary/whitebox
31 * @build TestLzcntI BMITestRunner Expr
32 * @run main/othervm/bootclasspath -XX:+UnlockDiagnosticVMOptions
33 * -XX:+WhiteBoxAPI TestLzcntI
34 */
35
36 import sun.hotspot.cpuinfo.CPUInfo;
37
38 public class TestLzcntI {
39
40 public static void main(String args[]) throws Throwable {
41 if (!CPUInfo.hasFeature("lzcnt")) {
42 System.out.println("CPU does not support lzcnt feature. " +
43 "Test skipped.");
44 return;
45 }
46
47 BMITestRunner.runTests(LzcntIExpr.class, args,
48 "-XX:+UseCountLeadingZerosInstruction");
49 }
50
51 public static class LzcntIExpr extends Expr.BitCountingIntExpr {
52
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