1 /*
   2  * Copyright (c) 2019, 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 package org.graalvm.compiler.core.test;
  27 
  28 import org.junit.Test;
  29 
  30 public class IntegerStampShiftTest extends GraalCompilerTest {
  31 
  32     public static int unsignedShiftPositiveInt(boolean f) {
  33         int h = f ? 0x7FFFFFF0 : 0x7FFFFF00;
  34         return h >>> 8;
  35     }
  36 
  37     @Test
  38     public void testUnsignedShiftPositiveInt() {
  39         test("unsignedShiftPositiveInt", false);
  40     }
  41 
  42     public static int unsignedShiftNegativeInt(boolean f) {
  43         int h = f ? 0xFFFFFFF0 : 0xFFFFFF00;
  44         return h >>> 8;
  45     }
  46 
  47     @Test
  48     public void testUnsignedShiftNegativeInt() {
  49         test("unsignedShiftNegativeInt", false);
  50     }
  51 
  52     public static long unsignedShiftPositiveLong(boolean f) {
  53         long h = f ? 0x7FFFFFFFFFFFFFF0L : 0x7FFFFFFFFFFFFF00L;
  54         return h >>> 8;
  55     }
  56 
  57     @Test
  58     public void testUnsignedShiftPositiveLong() {
  59         test("unsignedShiftPositiveLong", false);
  60     }
  61 
  62     public static long unsignedShiftNegativeLong(boolean f) {
  63         long h = f ? 0xFFFFFFFFFFFFFFF0L : 0xFFFFFFFFFFFFFF00L;
  64         return h >>> 8;
  65     }
  66 
  67     @Test
  68     public void testUnsignedShiftNegativeLong() {
  69         test("unsignedShiftNegativeLong", false);
  70     }
  71 }