jdk-24/hotspot/test/compiler/jvmci/compilerToVM/GetMaxCallTargetOffsetTest.java
Christian Thalinger 16526e000e 8136421: JEP 243: Java-Level JVM Compiler Interface
Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett
2015-10-08 12:49:30 -10:00

62 lines
2.5 KiB
Java

/*
* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8136421
* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
* @library / /testlibrary /../../test/lib/
* @compile ../common/CompilerToVMHelper.java
* @build compiler.jvmci.compilerToVM.GetMaxCallTargetOffsetTest
* @run main ClassFileInstaller
* jdk.vm.ci.hotspot.CompilerToVMHelper
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockExperimentalVMOptions
* -XX:+EnableJVMCI compiler.jvmci.compilerToVM.GetMaxCallTargetOffsetTest
*/
package compiler.jvmci.compilerToVM;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.test.lib.Asserts;
public class GetMaxCallTargetOffsetTest {
public static void main(String args[]) {
new GetMaxCallTargetOffsetTest().runTest();
}
private void runTest() {
long offset1 = CompilerToVMHelper.getMaxCallTargetOffset(0L);
Asserts.assertNE(offset1, 0L,
"Unexpected maxCallTargetOffset for 0L");
long offset2 = CompilerToVMHelper.getMaxCallTargetOffset(100L);
Asserts.assertNE(offset2, 0L,
"Unexpected maxCallTargetOffset for 100L");
long offset3 = CompilerToVMHelper.getMaxCallTargetOffset(1000000L);
Asserts.assertNE(offset3, 0L,
"Unexpected maxCallTargetOffset for 1000000L");
// there can be 2 same offsets, but not 3
Asserts.assertFalse(offset1 == offset2 && offset2 == offset3,
"All 3 offsets are unexpectedly equal: " + offset1);
}
}