1 /* 2 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 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 ANDN instruction 30 * @library /testlibrary /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @build TestAndnL BMITestRunner Expr 34 * @run main ClassFileInstaller sun.hotspot.WhiteBox 35 * sun.hotspot.WhiteBox$WhiteBoxPermission 36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 37 * -XX:+WhiteBoxAPI TestAndnL 38 */ 39 40 import sun.hotspot.cpuinfo.CPUInfo; 41 42 public class TestAndnL { 43 44 public static void main(String args[]) throws Throwable { 45 if (!CPUInfo.hasFeature("bmi1")) { 46 System.out.println("INFO: CPU does not support bmi1 feature."); 47 } 48 49 BMITestRunner.runTests(AndnLExpr.class, args, 50 "-XX:+IgnoreUnrecognizedVMOptions", 51 "-XX:+UseBMI1Instructions"); 52 BMITestRunner.runTests(AndnLCommutativeExpr.class, args, 53 "-XX:+IgnoreUnrecognizedVMOptions", 54 "-XX:+UseBMI1Instructions"); 55 } 56 57 public static class AndnLExpr extends Expr.BMIBinaryLongExpr { 58 59 public long longExpr(long src1, long src2) { 60 return ~src1 & src2; 61 } 62 63 public long longExpr(long src1, Expr.MemL src2) { 64 if (src2 != null) { 65 return ~src1 & src2.value; 66 } else { 67 return 0; 68 } 69 } 70 71 public long longExpr(Expr.MemL src1, long src2) { 72 if (src1 != null) { 73 return ~src1.value & src2; 74 } else { 75 return 0; 76 } 77 } 78 79 public long longExpr(Expr.MemL src1, Expr.MemL src2) { 80 if (src1 != null && src2 != null) { 81 return ~src1.value & src2.value; 82 } else { 83 return 0; 84 } 85 } 86 87 88 } 89 90 public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr { 91 92 public long longExpr(long src1, long src2) { 93 return src1 & ~src2; 94 } 95 96 public long longExpr(long src1, Expr.MemL src2) { 97 if (src2 != null) { 98 return src1 & ~src2.value; 99 } else { 100 return 0; 101 } 102 } 103 104 public long longExpr(Expr.MemL src1, long src2) { 105 if (src1 != null) { 106 return src1.value & ~src2; 107 } else { 108 return 0; 109 } 110 } 111 112 public long longExpr(Expr.MemL src1, Expr.MemL src2) { 113 if (src1 != null && src2 != null) { 114 return src1.value & ~src2.value; 115 } else { 116 return 0; 117 } 118 } 119 120 } 121 122 }