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 TestAndnL BMITestRunner Expr
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI TestAndnL
  36  */
  37 
  38 import sun.hotspot.cpuinfo.CPUInfo;
  39 
  40 public class TestAndnL {
  41 
  42     public static void main(String args[]) throws Throwable {
  43         if (!CPUInfo.hasFeature("bmi1")) {
  44             System.out.println("INFO: CPU does not support bmi1 feature.");
  45         }
  46 
  47         BMITestRunner.runTests(AndnLExpr.class, args,
  48                                "-XX:+IgnoreUnrecognizedVMOptions",
  49                                "-XX:+UseBMI1Instructions");
  50         BMITestRunner.runTests(AndnLCommutativeExpr.class, args,
  51                               "-XX:+IgnoreUnrecognizedVMOptions",
  52                                "-XX:+UseBMI1Instructions");
  53     }
  54 
  55     public static class AndnLExpr extends Expr.BMIBinaryLongExpr {
  56 
  57         public long longExpr(long src1, long src2) {
  58             return ~src1 & src2;
  59         }
  60 
  61         public long longExpr(long src1, Expr.MemL src2) {
  62             return ~src1 & src2.value;
  63         }
  64 
  65         public long longExpr(Expr.MemL src1, long src2) {
  66             return ~src1.value & src2;
  67         }
  68 
  69         public long longExpr(Expr.MemL src1, Expr.MemL src2) {
  70             return ~src1.value & src2.value;
  71         }
  72 
  73 
  74     }
  75 
  76     public static class AndnLCommutativeExpr extends Expr.BMIBinaryLongExpr {
  77 
  78         public long longExpr(long src1, long src2) {
  79             return src1 & ~src2;
  80         }
  81 
  82         public long longExpr(long src1, Expr.MemL src2) {
  83             return src1 & ~src2.value;
  84         }
  85 
  86         public long longExpr(Expr.MemL src1, long src2) {
  87             return src1.value & ~src2;
  88         }
  89 
  90         public long longExpr(Expr.MemL src1, Expr.MemL src2) {
  91             return src1.value & ~src2.value;
  92         }
  93 
  94     }
  95 
  96 }