Wed, 22 Jan 2014 12:37:28 -0800
Added tag jdk8u5-b05 for changeset b90de55aca30
twisti@1259 | 1 | /* |
trims@1907 | 2 | * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
twisti@1259 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
twisti@1259 | 4 | * |
twisti@1259 | 5 | * This code is free software; you can redistribute it and/or modify it |
twisti@1259 | 6 | * under the terms of the GNU General Public License version 2 only, as |
twisti@1259 | 7 | * published by the Free Software Foundation. |
twisti@1259 | 8 | * |
twisti@1259 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
twisti@1259 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
twisti@1259 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
twisti@1259 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
twisti@1259 | 13 | * accompanied this code). |
twisti@1259 | 14 | * |
twisti@1259 | 15 | * You should have received a copy of the GNU General Public License version |
twisti@1259 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
twisti@1259 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
twisti@1259 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
twisti@1259 | 22 | */ |
twisti@1259 | 23 | |
twisti@1259 | 24 | /** |
twisti@1259 | 25 | * @test |
twisti@1259 | 26 | * @bug 5057225 |
twisti@1259 | 27 | * @summary Remove useless I2L conversions |
twisti@1259 | 28 | * |
twisti@1259 | 29 | * @run main/othervm -Xcomp -XX:CompileOnly=Test5057225.doload Test5057225 |
twisti@1259 | 30 | */ |
twisti@1259 | 31 | |
twisti@1259 | 32 | import java.net.URLClassLoader; |
twisti@1259 | 33 | |
twisti@1259 | 34 | public class Test5057225 { |
twisti@1259 | 35 | static byte[] ba = new byte[] { -1 }; |
twisti@1259 | 36 | static short[] sa = new short[] { -1 }; |
twisti@1259 | 37 | static int[] ia = new int[] { -1 }; |
twisti@1259 | 38 | |
twisti@1259 | 39 | static final long[] BYTE_MASKS = { |
twisti@1259 | 40 | 0x0FL, |
twisti@1259 | 41 | 0x7FL, // 7-bit |
twisti@1259 | 42 | 0xFFL, |
twisti@1259 | 43 | }; |
twisti@1259 | 44 | |
twisti@1259 | 45 | static final long[] SHORT_MASKS = { |
twisti@1259 | 46 | 0x000FL, |
twisti@1259 | 47 | 0x007FL, // 7-bit |
twisti@1259 | 48 | 0x00FFL, |
twisti@1259 | 49 | 0x0FFFL, |
twisti@1259 | 50 | 0x3FFFL, // 14-bit |
twisti@1259 | 51 | 0x7FFFL, // 15-bit |
twisti@1259 | 52 | 0xFFFFL, |
twisti@1259 | 53 | }; |
twisti@1259 | 54 | |
twisti@1259 | 55 | static final long[] INT_MASKS = { |
twisti@1259 | 56 | 0x0000000FL, |
twisti@1259 | 57 | 0x0000007FL, // 7-bit |
twisti@1259 | 58 | 0x000000FFL, |
twisti@1259 | 59 | 0x00000FFFL, |
twisti@1259 | 60 | 0x00003FFFL, // 14-bit |
twisti@1259 | 61 | 0x00007FFFL, // 15-bit |
twisti@1259 | 62 | 0x0000FFFFL, |
twisti@1259 | 63 | 0x00FFFFFFL, |
twisti@1259 | 64 | 0x7FFFFFFFL, // 31-bit |
twisti@1259 | 65 | 0xFFFFFFFFL, |
twisti@1259 | 66 | }; |
twisti@1259 | 67 | |
twisti@1259 | 68 | public static void main(String[] args) throws Exception { |
twisti@1259 | 69 | for (int i = 0; i < BYTE_MASKS.length; i++) { |
twisti@1259 | 70 | System.setProperty("value", "" + BYTE_MASKS[i]); |
twisti@1259 | 71 | loadAndRunClass("Test5057225$loadUB2L"); |
twisti@1259 | 72 | } |
twisti@1259 | 73 | |
twisti@1259 | 74 | for (int i = 0; i < SHORT_MASKS.length; i++) { |
twisti@1259 | 75 | System.setProperty("value", "" + SHORT_MASKS[i]); |
twisti@1259 | 76 | loadAndRunClass("Test5057225$loadUS2L"); |
twisti@1259 | 77 | } |
twisti@1259 | 78 | |
twisti@1259 | 79 | for (int i = 0; i < INT_MASKS.length; i++) { |
twisti@1259 | 80 | System.setProperty("value", "" + INT_MASKS[i]); |
twisti@1259 | 81 | loadAndRunClass("Test5057225$loadUI2L"); |
twisti@1259 | 82 | } |
twisti@1259 | 83 | } |
twisti@1259 | 84 | |
twisti@1259 | 85 | static void check(long result, long expected) { |
twisti@1259 | 86 | if (result != expected) |
twisti@1259 | 87 | throw new InternalError(result + " != " + expected); |
twisti@1259 | 88 | } |
twisti@1259 | 89 | |
twisti@1259 | 90 | static void loadAndRunClass(String classname) throws Exception { |
twisti@1259 | 91 | Class cl = Class.forName(classname); |
twisti@1259 | 92 | URLClassLoader apploader = (URLClassLoader) cl.getClassLoader(); |
twisti@1259 | 93 | ClassLoader loader = new URLClassLoader(apploader.getURLs(), apploader.getParent()); |
twisti@1259 | 94 | Class c = loader.loadClass(classname); |
twisti@1259 | 95 | Runnable r = (Runnable) c.newInstance(); |
twisti@1259 | 96 | r.run(); |
twisti@1259 | 97 | } |
twisti@1259 | 98 | |
twisti@1259 | 99 | public static class loadUB2L implements Runnable { |
twisti@1259 | 100 | static final long MASK; |
twisti@1259 | 101 | static { |
twisti@1259 | 102 | long value = 0; |
twisti@1259 | 103 | try { |
twisti@1259 | 104 | value = Long.decode(System.getProperty("value")); |
twisti@1259 | 105 | } catch (Throwable e) {} |
twisti@1259 | 106 | MASK = value; |
twisti@1259 | 107 | } |
twisti@1259 | 108 | |
twisti@1259 | 109 | public void run() { check(doload(ba), MASK); } |
twisti@1259 | 110 | static long doload(byte[] ba) { return ba[0] & MASK; } |
twisti@1259 | 111 | } |
twisti@1259 | 112 | |
twisti@1259 | 113 | public static class loadUS2L implements Runnable { |
twisti@1259 | 114 | static final long MASK; |
twisti@1259 | 115 | static { |
twisti@1259 | 116 | long value = 0; |
twisti@1259 | 117 | try { |
twisti@1259 | 118 | value = Long.decode(System.getProperty("value")); |
twisti@1259 | 119 | } catch (Throwable e) {} |
twisti@1259 | 120 | MASK = value; |
twisti@1259 | 121 | } |
twisti@1259 | 122 | |
twisti@1259 | 123 | public void run() { check(doload(sa), MASK); } |
twisti@1259 | 124 | static long doload(short[] sa) { return sa[0] & MASK; } |
twisti@1259 | 125 | } |
twisti@1259 | 126 | |
twisti@1259 | 127 | public static class loadUI2L implements Runnable { |
twisti@1259 | 128 | static final long MASK; |
twisti@1259 | 129 | static { |
twisti@1259 | 130 | long value = 0; |
twisti@1259 | 131 | try { |
twisti@1259 | 132 | value = Long.decode(System.getProperty("value")); |
twisti@1259 | 133 | } catch (Throwable e) {} |
twisti@1259 | 134 | MASK = value; |
twisti@1259 | 135 | } |
twisti@1259 | 136 | |
twisti@1259 | 137 | public void run() { check(doload(ia), MASK); } |
twisti@1259 | 138 | static long doload(int[] ia) { return ia[0] & MASK; } |
twisti@1259 | 139 | } |
twisti@1259 | 140 | } |