1 /* 2 * Copyright (c) 2014, 2016, 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 * @test 26 * @bug 8031321 27 * @summary Verify that results of computations are the same w/ 28 * and w/o usage of ANDN instruction 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @build sun.hotspot.WhiteBox 33 * @run driver ClassFileInstaller sun.hotspot.WhiteBox 34 * sun.hotspot.WhiteBox$WhiteBoxPermission 35 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 36 * -XX:+WhiteBoxAPI compiler.intrinsics.bmi.TestAndnI 37 */ 38 39 package compiler.intrinsics.bmi; 40 41 import sun.hotspot.cpuinfo.CPUInfo; 42 43 public class TestAndnI { 44 main(String args[])45 public static void main(String args[]) throws Throwable { 46 if (!CPUInfo.hasFeature("bmi1")) { 47 System.out.println("INFO: CPU does not support bmi1 feature."); 48 } 49 50 BMITestRunner.runTests(AndnIExpr.class, args, 51 "-XX:+IgnoreUnrecognizedVMOptions", 52 "-XX:+UseBMI1Instructions"); 53 BMITestRunner.runTests(AndnICommutativeExpr.class, args, 54 "-XX:+IgnoreUnrecognizedVMOptions", 55 "-XX:+UseBMI1Instructions"); 56 } 57 58 public static class AndnIExpr extends Expr.BMIBinaryIntExpr { 59 intExpr(int src1, int src2)60 public int intExpr(int src1, int src2) { 61 return ~src1 & src2; 62 } 63 intExpr(int src1, Expr.MemI src2)64 public int intExpr(int src1, Expr.MemI src2) { 65 if (src2 != null) { 66 return ~src1 & src2.value; 67 } else { 68 return 0; 69 } 70 } 71 intExpr(Expr.MemI src1, int src2)72 public int intExpr(Expr.MemI src1, int src2) { 73 if (src1 != null) { 74 return ~src1.value & src2; 75 } else { 76 return 0; 77 } 78 } 79 intExpr(Expr.MemI src1, Expr.MemI src2)80 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 81 if (src1 != null && src2 != null) { 82 return ~src1.value & src2.value; 83 } else { 84 return 0; 85 } 86 } 87 } 88 89 public static class AndnICommutativeExpr extends Expr.BMIBinaryIntExpr { 90 intExpr(int src1, int src2)91 public int intExpr(int src1, int src2) { 92 return src1 & ~src2; 93 } 94 intExpr(int src1, Expr.MemI src2)95 public int intExpr(int src1, Expr.MemI src2) { 96 if (src2 != null) { 97 return src1 & ~src2.value; 98 } else { 99 return 0; 100 } 101 } 102 intExpr(Expr.MemI src1, int src2)103 public int intExpr(Expr.MemI src1, int src2) { 104 if (src1 != null) { 105 return src1.value & ~src2; 106 } else { 107 return 0; 108 } 109 } 110 intExpr(Expr.MemI src1, Expr.MemI src2)111 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 112 if (src1 != null && src2 != null) { 113 return src1.value & ~src2.value; 114 } else { 115 return 0; 116 } 117 } 118 } 119 } 120