Wed, 22 Jan 2014 12:37:28 -0800
Added tag jdk8u5-b05 for changeset b90de55aca30
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | /** |
aoqi@0 | 26 | * @test |
aoqi@0 | 27 | * @bug 7103261 |
aoqi@0 | 28 | * @summary crash with jittester on sparc |
aoqi@0 | 29 | * |
aoqi@0 | 30 | * @run main Test7103261 |
aoqi@0 | 31 | */ |
aoqi@0 | 32 | |
aoqi@0 | 33 | // exercise implicit null checking in the compiler for various field types |
aoqi@0 | 34 | public class Test7103261 { |
aoqi@0 | 35 | static Test7103261 null_value; |
aoqi@0 | 36 | static Test7103261 nonnull_value = new Test7103261(); |
aoqi@0 | 37 | static Test7103261 nonnull_value2 = new Test7103261(); |
aoqi@0 | 38 | |
aoqi@0 | 39 | long l; |
aoqi@0 | 40 | int i; |
aoqi@0 | 41 | float f; |
aoqi@0 | 42 | double d; |
aoqi@0 | 43 | byte b; |
aoqi@0 | 44 | char c; |
aoqi@0 | 45 | short s; |
aoqi@0 | 46 | boolean z; |
aoqi@0 | 47 | |
aoqi@0 | 48 | public static void main(String[] args) { |
aoqi@0 | 49 | constantStore(); |
aoqi@0 | 50 | valueTest(false); |
aoqi@0 | 51 | valueTest(true); |
aoqi@0 | 52 | } |
aoqi@0 | 53 | static void constantStore() { |
aoqi@0 | 54 | for (int field = 0; field < 8; field++) { |
aoqi@0 | 55 | try { |
aoqi@0 | 56 | Test7103261 o = nonnull_value; |
aoqi@0 | 57 | for (int i = 0; i < 100000; i++) { |
aoqi@0 | 58 | switch (field) { |
aoqi@0 | 59 | case 0: o.l = 0; break; |
aoqi@0 | 60 | case 1: o.i = 0; break; |
aoqi@0 | 61 | case 2: o.f = 0; break; |
aoqi@0 | 62 | case 3: o.d = 0; break; |
aoqi@0 | 63 | case 4: o.b = 0; break; |
aoqi@0 | 64 | case 5: o.c = 0; break; |
aoqi@0 | 65 | case 6: o.s = 0; break; |
aoqi@0 | 66 | case 7: o.z = false; break; |
aoqi@0 | 67 | default: throw new InternalError(); |
aoqi@0 | 68 | } |
aoqi@0 | 69 | if (i == 90000) { |
aoqi@0 | 70 | // hide nullness from optimizer |
aoqi@0 | 71 | o = null_value; |
aoqi@0 | 72 | } |
aoqi@0 | 73 | } |
aoqi@0 | 74 | } catch (NullPointerException npe) { |
aoqi@0 | 75 | } |
aoqi@0 | 76 | } |
aoqi@0 | 77 | } |
aoqi@0 | 78 | static void valueTest(boolean store) { |
aoqi@0 | 79 | for (int field = 0; field < 8; field++) { |
aoqi@0 | 80 | try { |
aoqi@0 | 81 | Test7103261 o = nonnull_value; |
aoqi@0 | 82 | Test7103261 o2 = nonnull_value2; |
aoqi@0 | 83 | for (int i = 0; i < 100000; i++) { |
aoqi@0 | 84 | switch (field) { |
aoqi@0 | 85 | case 0: o.l = o2.l; break; |
aoqi@0 | 86 | case 1: o.i = o2.i; break; |
aoqi@0 | 87 | case 2: o.f = o2.f; break; |
aoqi@0 | 88 | case 3: o.d = o2.d; break; |
aoqi@0 | 89 | case 4: o.b = o2.b; break; |
aoqi@0 | 90 | case 5: o.c = o2.c; break; |
aoqi@0 | 91 | case 6: o.s = o2.s; break; |
aoqi@0 | 92 | case 7: o.z = o2.z; break; |
aoqi@0 | 93 | default: throw new InternalError(); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | if (i == 90000) { |
aoqi@0 | 96 | // hide nullness from optimizer |
aoqi@0 | 97 | if (store) |
aoqi@0 | 98 | o = null_value; |
aoqi@0 | 99 | else |
aoqi@0 | 100 | o2 = null_value; |
aoqi@0 | 101 | } |
aoqi@0 | 102 | } |
aoqi@0 | 103 | } catch (NullPointerException npe) { |
aoqi@0 | 104 | } |
aoqi@0 | 105 | } |
aoqi@0 | 106 | } |
aoqi@0 | 107 | } |