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 /test/lib / 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * 34 * @build sun.hotspot.WhiteBox 35 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 36 * sun.hotspot.WhiteBox$WhiteBoxPermission 37 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 38 * -XX:+WhiteBoxAPI 39 * compiler.intrinsics.bmi.TestAndnL 40 */ 41 42 package compiler.intrinsics.bmi; 43 44 import sun.hotspot.cpuinfo.CPUInfo; 45 46 public class TestAndnL { 47 48 public static void main(String args[]) throws Throwable { 49 if (!CPUInfo.hasFeature("bmi1")) { 50 System.out.println("INFO: CPU does not support bmi1 feature."); 51 } 52 53 BMITestRunner.runTests(AndnLExpr.class, args, 54 "-XX:+IgnoreUnrecognizedVMOptions", 55 "-XX:+UseBMI1Instructions"); 56 BMITestRunner.runTests(AndnLCommutativeExpr.class, args, 57 "-XX:+IgnoreUnrecognizedVMOptions", 58 "-XX:+UseBMI1Instructions"); 59 } 60 61 public static class AndnLExpr extends Expr.BMIBinaryLongExpr { 62 63 public long longExpr(long src1, long src2) { 64 return ~src1 & src2; 65 } 66 67 public long longExpr(long src1, Expr.MemL src2) { 68 if (src2 != null) { 69 return ~src1 & src2.value; 70 } else { 71 return 0; 72 } 73 } 74 75 public long longExpr(Expr.MemL src1, long src2) { 76 if (src1 != null) { 77 return ~src1.value & src2; 78 } else { 79 return 0; 80 } 81 } 82 83 public long longExpr(Expr.MemL src1, Expr.MemL src2) { 84 if (src1 != null && src2 != null) { 85 return ~src1.value & src2.value; 86 } else { 87 return 0; 88 } 89 } 90 91 92 } 93 94 public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr { 95 96 public long longExpr(long src1, long src2) { 97 return src1 & ~src2; 98 } 99 100 public long longExpr(long src1, Expr.MemL src2) { 101 if (src2 != null) { 102 return src1 & ~src2.value; 103 } else { 104 return 0; 105 } 106 } 107 108 public long longExpr(Expr.MemL src1, long src2) { 109 if (src1 != null) { 110 return src1.value & ~src2; 111 } else { 112 return 0; 113 } 114 } 115 116 public long longExpr(Expr.MemL src1, Expr.MemL src2) { 117 if (src1 != null && src2 != null) { 118 return src1.value & ~src2.value; 119 } else { 120 return 0; 121 } 122 } 123 124 } 125 126 }