/* * Copyright (c) 2014, 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 8031321 * @summary Verify that results of computations are the same w/ * and w/o usage of ANDN instruction * @library /test/lib / * @modules java.base/jdk.internal.misc * java.management * * @build sun.hotspot.WhiteBox * @run driver ClassFileInstaller sun.hotspot.WhiteBox * sun.hotspot.WhiteBox$WhiteBoxPermission * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions * -XX:+WhiteBoxAPI * compiler.intrinsics.bmi.TestAndnL */ package compiler.intrinsics.bmi; import sun.hotspot.cpuinfo.CPUInfo; public class TestAndnL { public static void main(String args[]) throws Throwable { if (!CPUInfo.hasFeature("bmi1")) { System.out.println("INFO: CPU does not support bmi1 feature."); } BMITestRunner.runTests(AndnLExpr.class, args, "-XX:+IgnoreUnrecognizedVMOptions", "-XX:+UseBMI1Instructions"); BMITestRunner.runTests(AndnLCommutativeExpr.class, args, "-XX:+IgnoreUnrecognizedVMOptions", "-XX:+UseBMI1Instructions"); } public static class AndnLExpr extends Expr.BMIBinaryLongExpr { public long longExpr(long src1, long src2) { return ~src1 & src2; } public long longExpr(long src1, Expr.MemL src2) { if (src2 != null) { return ~src1 & src2.value; } else { return 0; } } public long longExpr(Expr.MemL src1, long src2) { if (src1 != null) { return ~src1.value & src2; } else { return 0; } } public long longExpr(Expr.MemL src1, Expr.MemL src2) { if (src1 != null && src2 != null) { return ~src1.value & src2.value; } else { return 0; } } } public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr { public long longExpr(long src1, long src2) { return src1 & ~src2; } public long longExpr(long src1, Expr.MemL src2) { if (src2 != null) { return src1 & ~src2.value; } else { return 0; } } public long longExpr(Expr.MemL src1, long src2) { if (src1 != null) { return src1.value & ~src2; } else { return 0; } } public long longExpr(Expr.MemL src1, Expr.MemL src2) { if (src1 != null && src2 != null) { return src1.value & ~src2.value; } else { return 0; } } } }