1 /* 2 * Copyright (c) 2014, 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 /testlibrary/whitebox 31 * @build TestAndnI BMITestRunner Expr 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 34 * -XX:+WhiteBoxAPI TestAndnI 35 */ 36 37 import sun.hotspot.cpuinfo.CPUInfo; 38 39 public class TestAndnI { 40 main(String args[])41 public static void main(String args[]) throws Throwable { 42 if (!CPUInfo.hasFeature("bmi1")) { 43 System.out.println("CPU does not support bmi1 feature. "+ 44 "Test skipped."); 45 return; 46 } 47 48 BMITestRunner.runTests(AndnIExpr.class, args, 49 "-XX:+UseBMI1Instructions"); 50 BMITestRunner.runTests(AndnICommutativeExpr.class, args, 51 "-XX:+UseBMI1Instructions"); 52 } 53 54 public static class AndnIExpr extends Expr.BMIBinaryIntExpr { 55 intExpr(int src1, int src2)56 public int intExpr(int src1, int src2) { 57 return ~src1 & src2; 58 } 59 intExpr(int src1, Expr.MemI src2)60 public int intExpr(int src1, Expr.MemI src2) { 61 if (src2 != null) { 62 return ~src1 & src2.value; 63 } else { 64 return 0; 65 } 66 } 67 intExpr(Expr.MemI src1, int src2)68 public int intExpr(Expr.MemI src1, int src2) { 69 if (src1 != null) { 70 return ~src1.value & src2; 71 } else { 72 return 0; 73 } 74 } 75 intExpr(Expr.MemI src1, Expr.MemI src2)76 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 77 if (src1 != null && src2 != null) { 78 return ~src1.value & src2.value; 79 } else { 80 return 0; 81 } 82 } 83 } 84 85 public static class AndnICommutativeExpr extends Expr.BMIBinaryIntExpr { 86 intExpr(int src1, int src2)87 public int intExpr(int src1, int src2) { 88 return src1 & ~src2; 89 } 90 intExpr(int src1, Expr.MemI src2)91 public int intExpr(int src1, Expr.MemI src2) { 92 if (src2 != null) { 93 return src1 & ~src2.value; 94 } else { 95 return 0; 96 } 97 } 98 intExpr(Expr.MemI src1, int src2)99 public int intExpr(Expr.MemI src1, int src2) { 100 if (src1 != null) { 101 return src1.value & ~src2; 102 } else { 103 return 0; 104 } 105 } 106 intExpr(Expr.MemI src1, Expr.MemI src2)107 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 108 if (src1 != null && src2 != null) { 109 return src1.value & ~src2.value; 110 } else { 111 return 0; 112 } 113 } 114 } 115 } 116