Mercurial > hg > truffle

annotate test/compiler/6661247/Test.java @ 177:2a8ec427fbe1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6706604: Copyright headers need to be changed to GPL. Summary: Update the copyrights Reviewed-by: ohair
author kamg
date Thu, 29 May 2008 14:06:30 -0400
parents b683f557224b
children d1605aabd0a1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
1 /*
177
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
2 * Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved.
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
4 *
177
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
7 * published by the Free Software Foundation.
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
8 *
177
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
13 * accompanied this code).
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
14 *
177
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
15 * You should have received a copy of the GNU General Public License version
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
18 *
177
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
20 * CA 95054 USA or visit www.sun.com if you need additional information or
2a8ec427fbe1 6706604: Copyright headers need to be changed to GPL.
kamg
parents: 70
diff changeset
21 * have any questions.
70
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
22 *
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
23 */
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
24
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
25 /*
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
26 * @test
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
27 * @bug 6661247
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
28 * @summary Internal bug in 32-bit HotSpot optimizer while bit manipulations
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
29 */
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
30
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
31 import java.util.Random;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
32 import java.nio.*;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
33
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
34 // This isn't a completely reliable test for 6661247 since the results
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
35 // depend on what the local schedule looks like but it does reproduce
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
36 // the issue in current builds.
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
37
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
38 public class Test {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
39
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
40 public static void test(boolean[] src, int srcPos, LongBuffer dest, long destPos, int count) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
41 int countStart = (destPos & 63) == 0 ? 0 : 64 - (int)(destPos & 63);
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
42 if (countStart > count)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
43 countStart = count;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
44 for (int srcPosMax = srcPos + countStart; srcPos < srcPosMax; srcPos++, destPos++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
45 if (src[srcPos])
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
46 dest.put((int)(destPos >>> 6), dest.get((int)(destPos >>> 6)) | 1L << (destPos & 63));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
47 else
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
48 dest.put((int)(destPos >>> 6), dest.get((int)(destPos >>> 6)) & ~(1L << (destPos & 63)));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
49 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
50 count -= countStart;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
51 int cnt = count >>> 6;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
52 for (int k = (int)(destPos >>> 6), kMax = k + cnt; k < kMax; k++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
53 int low = (src[srcPos] ? 1 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
54 | (src[srcPos + 1] ? 1 << 1 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
55 | (src[srcPos + 2] ? 1 << 2 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
56 | (src[srcPos + 3] ? 1 << 3 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
57 | (src[srcPos + 4] ? 1 << 4 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
58 | (src[srcPos + 5] ? 1 << 5 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
59 | (src[srcPos + 6] ? 1 << 6 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
60 | (src[srcPos + 7] ? 1 << 7 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
61 | (src[srcPos + 8] ? 1 << 8 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
62 | (src[srcPos + 9] ? 1 << 9 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
63 | (src[srcPos + 10] ? 1 << 10 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
64 | (src[srcPos + 11] ? 1 << 11 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
65 | (src[srcPos + 12] ? 1 << 12 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
66 | (src[srcPos + 13] ? 1 << 13 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
67 | (src[srcPos + 14] ? 1 << 14 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
68 | (src[srcPos + 15] ? 1 << 15 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
69 | (src[srcPos + 16] ? 1 << 16 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
70 | (src[srcPos + 17] ? 1 << 17 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
71 | (src[srcPos + 18] ? 1 << 18 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
72 | (src[srcPos + 19] ? 1 << 19 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
73 | (src[srcPos + 20] ? 1 << 20 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
74 | (src[srcPos + 21] ? 1 << 21 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
75 | (src[srcPos + 22] ? 1 << 22 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
76 | (src[srcPos + 23] ? 1 << 23 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
77 | (src[srcPos + 24] ? 1 << 24 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
78 | (src[srcPos + 25] ? 1 << 25 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
79 | (src[srcPos + 26] ? 1 << 26 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
80 | (src[srcPos + 27] ? 1 << 27 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
81 | (src[srcPos + 28] ? 1 << 28 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
82 | (src[srcPos + 29] ? 1 << 29 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
83 | (src[srcPos + 30] ? 1 << 30 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
84 | (src[srcPos + 31] ? 1 << 31 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
85 ;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
86 srcPos += 32;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
87 int high = (src[srcPos] ? 1 : 0) // PROBLEM!
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
88 | (src[srcPos + 1] ? 1 << 1 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
89 | (src[srcPos + 2] ? 1 << 2 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
90 | (src[srcPos + 3] ? 1 << 3 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
91 | (src[srcPos + 4] ? 1 << 4 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
92 | (src[srcPos + 5] ? 1 << 5 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
93 | (src[srcPos + 6] ? 1 << 6 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
94 | (src[srcPos + 7] ? 1 << 7 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
95 | (src[srcPos + 8] ? 1 << 8 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
96 | (src[srcPos + 9] ? 1 << 9 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
97 | (src[srcPos + 10] ? 1 << 10 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
98 | (src[srcPos + 11] ? 1 << 11 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
99 | (src[srcPos + 12] ? 1 << 12 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
100 | (src[srcPos + 13] ? 1 << 13 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
101 | (src[srcPos + 14] ? 1 << 14 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
102 | (src[srcPos + 15] ? 1 << 15 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
103 | (src[srcPos + 16] ? 1 << 16 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
104 | (src[srcPos + 17] ? 1 << 17 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
105 | (src[srcPos + 18] ? 1 << 18 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
106 | (src[srcPos + 19] ? 1 << 19 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
107 | (src[srcPos + 20] ? 1 << 20 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
108 | (src[srcPos + 21] ? 1 << 21 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
109 | (src[srcPos + 22] ? 1 << 22 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
110 | (src[srcPos + 23] ? 1 << 23 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
111 | (src[srcPos + 24] ? 1 << 24 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
112 | (src[srcPos + 25] ? 1 << 25 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
113 | (src[srcPos + 26] ? 1 << 26 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
114 | (src[srcPos + 27] ? 1 << 27 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
115 | (src[srcPos + 28] ? 1 << 28 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
116 | (src[srcPos + 29] ? 1 << 29 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
117 | (src[srcPos + 30] ? 1 << 30 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
118 | (src[srcPos + 31] ? 1 << 31 : 0)
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
119 ;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
120 srcPos += 32;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
121 dest.put(k, ((long)low & 0xFFFFFFFFL) | (((long)high) << 32));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
122 destPos += 64;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
123 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
124 int countFinish = count & 63;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
125 for (int srcPosMax = srcPos + countFinish; srcPos < srcPosMax; srcPos++, destPos++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
126 if (src[srcPos])
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
127 dest.put((int)(destPos >>> 6), dest.get((int)(destPos >>> 6)) | 1L << (destPos & 63));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
128 else
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
129 dest.put((int)(destPos >>> 6), dest.get((int)(destPos >>> 6)) & ~(1L << (destPos & 63)));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
130 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
131 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
132 public static void main(String[] args) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
133 Random r = new Random();
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
134 int entries = 1000;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
135 boolean[] src = new boolean[entries * 64];
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
136 long[] dest = new long[entries];
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
137 long[] result = new long[entries];
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
138
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
139 for (int c = 0; c < 2000; c++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
140 for (int i = 0; i < entries; i++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
141 long l = r.nextLong();
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
142 for (int bit = 0; bit < 64; bit++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
143 src[i * 64 + bit] = (l & (1L << bit)) != 0;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
144 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
145 dest[i] = 0;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
146 result[i] = l;
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
147 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
148 test(src, 0, LongBuffer.wrap(dest, 0, dest.length), 0, src.length);
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
149 for (int i = 0; i < entries; i++) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
150 if (dest[i] != result[i]) {
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
151 throw new InternalError(i + ": " + Long.toHexString(dest[i]) + " != " + Long.toHexString(result[i]));
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
152 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
153 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
154 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
155 }
b683f557224b 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations
never
parents:
diff changeset
156 }