96 lines
3.4 KiB
Java
96 lines
3.4 KiB
Java
/*
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* Copyright (c) 2023, Arm Limited. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8311130
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* @summary Test synchronization between SVE arguments and CPU features
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*
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* @requires os.arch == "aarch64" & vm.compiler2.enabled
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* @library /test/lib /
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller
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* jdk.test.whitebox.WhiteBox
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:UseSVE=0
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* compiler.arguments.TestSyncCPUFeaturesWithSVEFlags
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:UseSVE=1
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* compiler.arguments.TestSyncCPUFeaturesWithSVEFlags
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:UseSVE=2
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* compiler.arguments.TestSyncCPUFeaturesWithSVEFlags
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*
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:MaxVectorSize=8
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* compiler.arguments.TestSyncCPUFeaturesWithSVEFlags
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*/
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package compiler.arguments;
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import java.util.List;
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import java.util.Arrays;
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import jdk.test.lib.Asserts;
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import jdk.test.whitebox.WhiteBox;
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public class TestSyncCPUFeaturesWithSVEFlags {
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private static final WhiteBox WB = WhiteBox.getWhiteBox();
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public static void main(String[] args) {
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int sve_level = WB.getUintVMFlag("UseSVE").intValue();
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List<String> features = Arrays.asList(WB.getCPUFeatures().split(", "));
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boolean has_sve = features.contains("sve");
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boolean has_sve2 = features.contains("sve2");
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switch (sve_level) {
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case 0: {
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// No sve and sve2
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Asserts.assertFalse(has_sve);
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Asserts.assertFalse(has_sve2);
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break;
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}
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case 1: {
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// Only has sve, no sve2
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Asserts.assertTrue(has_sve);
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Asserts.assertFalse(has_sve2);
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break;
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}
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case 2: {
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// Has both sve and sve2
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Asserts.assertTrue(has_sve);
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Asserts.assertTrue(has_sve2);
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break;
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}
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default: {
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// Should not reach here
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Asserts.assertTrue(false);
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break;
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}
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}
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}
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}
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