24 /**
25 * @test
26 * @bug 8031321
27 * @summary Verify processing of UseCountTrailingZerosInstruction option
28 * on CPU with TZCNT (BMI1 feature) support.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestUseCountTrailingZerosInstructionOnSupportedCPU
31 * BMISupportedCPUTest
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI
35 * TestUseCountTrailingZerosInstructionOnSupportedCPU
36 */
37
38 import sun.hotspot.cpuinfo.CPUInfo;
39 import com.oracle.java.testlibrary.*;
40 import com.oracle.java.testlibrary.cli.*;
41
42 public class TestUseCountTrailingZerosInstructionOnSupportedCPU
43 extends BMISupportedCPUTest {
44
45 public TestUseCountTrailingZerosInstructionOnSupportedCPU() {
46 super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1");
47 }
48
49 @Override
50 public void runTestCases() throws Throwable {
51
52 super.runTestCases();
53
54 // verify that option will be disabled if all BMI1 instuctions
55 // are explicitly disabled
56 CommandLineOptionTest.
57 verifyOptionValue("UseCountTrailingZerosInstruction", "false",
58 "-XX:-UseBMI1Instructions");
59
60 // verify that option could be turned on even if other BMI1
61 // instructions were turned off
62 CommandLineOptionTest.
63 verifyOptionValue("UseCountTrailingZerosInstruction", "true",
64 "-XX:-UseBMI1Instructions",
65 "-XX:+UseCountTrailingZerosInstruction");
66 }
67
68 public static void main(String args[]) throws Throwable {
69 new TestUseCountTrailingZerosInstructionOnSupportedCPU().test();
70 }
71 }
72
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24 /**
25 * @test
26 * @bug 8031321
27 * @summary Verify processing of UseCountTrailingZerosInstruction option
28 * on CPU with TZCNT (BMI1 feature) support.
29 * @library /testlibrary /testlibrary/whitebox
30 * @build TestUseCountTrailingZerosInstructionOnSupportedCPU
31 * BMISupportedCPUTest
32 * @run main ClassFileInstaller sun.hotspot.WhiteBox
33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
34 * -XX:+WhiteBoxAPI
35 * TestUseCountTrailingZerosInstructionOnSupportedCPU
36 */
37
38 import sun.hotspot.cpuinfo.CPUInfo;
39 import com.oracle.java.testlibrary.*;
40 import com.oracle.java.testlibrary.cli.*;
41
42 public class TestUseCountTrailingZerosInstructionOnSupportedCPU
43 extends BMISupportedCPUTest {
44 private static final String DISABLE_BMI = "-XX:-UseBMI1Instructions";
45
46 public TestUseCountTrailingZerosInstructionOnSupportedCPU() {
47 super("UseCountTrailingZerosInstruction", TZCNT_WARNING, "bmi1");
48 }
49
50 @Override
51 public void runTestCases() throws Throwable {
52
53 super.runTestCases();
54
55 // verify that option will be disabled if all BMI1 instructions
56 // are explicitly disabled
57 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
58 TestUseCountTrailingZerosInstructionOnSupportedCPU.DISABLE_BMI);
59
60 // verify that option could be turned on even if other BMI1
61 // instructions were turned off
62 CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "true",
63 TestUseCountTrailingZerosInstructionOnSupportedCPU.DISABLE_BMI,
64 CommandLineOptionTest.prepareBooleanFlag(optionName, true));
65 }
66
67 public static void main(String args[]) throws Throwable {
68 new TestUseCountTrailingZerosInstructionOnSupportedCPU().test();
69 }
70 }
71
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