1 /* 2 * Copyright (c) 2007, 2012, 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 package org.graalvm.compiler.jtt.bytecode; 24 25 import org.junit.Test; 26 27 import org.graalvm.compiler.jtt.JTTTest; 28 29 /* 30 */ 31 public class BC_irem extends JTTTest { 32 33 public static int test(int a, int b) { 34 return a % b; 35 } 36 37 // Left as constant 38 public static int test2(int b) { 39 return 13 % b; 40 } 41 42 // Right as constant 43 public static int test3(int a) { 44 return a % 13; 45 } 46 47 // Tests if the zero extension works fine with 64 bit registers behind 48 public static long test4(int a, int b) { 49 int ra = Math.abs(a % b); 50 int rb = Math.abs(a) % b; 51 return ra << 32 | rb; 52 } 53 54 // Test if sign extension works on architectures with 64 bit registers only 55 public static int test5(int a, int b) { 56 return (a + 0xFF) % (b + 0xFF); 57 } 58 59 // Test if sign extension works on architectures with 64 bit registers only 60 public static int test6(int a, int b) { 61 return (a - 0xFF) % (b - 0xFF); 62 } 63 64 @Test 65 public void run0() throws Throwable { 66 runTest("test", 1, 2); 67 } 68 69 @Test 70 public void run1() throws Throwable { 71 runTest("test", 2, -1); 72 } 73 74 @Test 75 public void run2() throws Throwable { 76 runTest("test", 256, 4); 77 } 78 79 @Test 80 public void run3() throws Throwable { 81 runTest("test", 135, 7); 82 } 83 84 @Test 85 public void run20() throws Throwable { 86 runTest("test2", 2); 87 } 88 89 @Test 90 public void run21() throws Throwable { 91 runTest("test2", 20000000); 92 } 93 94 @Test 95 public void run22() throws Throwable { 96 runTest("test2", -20000000); 97 } 98 99 @Test 100 public void run30() throws Throwable { 101 runTest("test3", 2); 102 } 103 104 @Test 105 public void run31() throws Throwable { 106 runTest("test3", 200000000); 107 } 108 109 @Test 110 public void run32() throws Throwable { 111 runTest("test3", -200000000); 112 } 113 114 @Test 115 public void run41() throws Throwable { 116 runTest("test4", -100000, 3000000); 117 } 118 119 @Test 120 public void run42() throws Throwable { 121 runTest("test4", -100000, 30); 122 } 123 124 @Test 125 public void run43() throws Throwable { 126 runTest("test4", -1000000, -30); 127 } 128 129 @Test 130 public void run51() { 131 runTest("test5", Integer.MAX_VALUE, Integer.MAX_VALUE); 132 } 133 134 @Test 135 public void run61() { 136 runTest("test6", Integer.MIN_VALUE, Integer.MIN_VALUE); 137 } 138 }