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comparison test/compiler/7103261/Test7103261.java @ 4052:eba044a722a4

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7103261: crash with jittester on sparc Reviewed-by: iveresov, kvn
author never
date Fri, 28 Oct 2011 14:44:52 -0700
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4051:f350490a45fd 4052:eba044a722a4
1 /*
2 * Copyright (c) 2011, 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 7103261
28 * @summary crash with jittester on sparc
29 *
30 * @run main Test7103261
31 */
32
33 // exercise implicit null checking in the compiler for various field types
34 public class Test7103261 {
35 static Test7103261 null_value;
36 static Test7103261 nonnull_value = new Test7103261();
37 static Test7103261 nonnull_value2 = new Test7103261();
38
39 long l;
40 int i;
41 float f;
42 double d;
43 byte b;
44 char c;
45 short s;
46 boolean z;
47
48 public static void main(String[] args) {
49 constantStore();
50 valueTest(false);
51 valueTest(true);
52 }
53 static void constantStore() {
54 for (int field = 0; field < 8; field++) {
55 try {
56 Test7103261 o = nonnull_value;
57 for (int i = 0; i < 100000; i++) {
58 switch (field) {
59 case 0: o.l = 0; break;
60 case 1: o.i = 0; break;
61 case 2: o.f = 0; break;
62 case 3: o.d = 0; break;
63 case 4: o.b = 0; break;
64 case 5: o.c = 0; break;
65 case 6: o.s = 0; break;
66 case 7: o.z = false; break;
67 default: throw new InternalError();
68 }
69 if (i == 90000) {
70 // hide nullness from optimizer
71 o = null_value;
72 }
73 }
74 } catch (NullPointerException npe) {
75 }
76 }
77 }
78 static void valueTest(boolean store) {
79 for (int field = 0; field < 8; field++) {
80 try {
81 Test7103261 o = nonnull_value;
82 Test7103261 o2 = nonnull_value2;
83 for (int i = 0; i < 100000; i++) {
84 switch (field) {
85 case 0: o.l = o2.l; break;
86 case 1: o.i = o2.i; break;
87 case 2: o.f = o2.f; break;
88 case 3: o.d = o2.d; break;
89 case 4: o.b = o2.b; break;
90 case 5: o.c = o2.c; break;
91 case 6: o.s = o2.s; break;
92 case 7: o.z = o2.z; break;
93 default: throw new InternalError();
94 }
95 if (i == 90000) {
96 // hide nullness from optimizer
97 if (store)
98 o = null_value;
99 else
100 o2 = null_value;
101 }
102 }
103 } catch (NullPointerException npe) {
104 }
105 }
106 }
107 }