Mercurial > hg > truffle
comparison test/compiler/7048332/Test7048332.java @ 3738:c7c81f18c834
7048332: Cadd_cmpLTMask doesn't handle 64-bit tmp register properly
Summary: Use ins_encode %{ %} form to encode cadd_cmpLTMask() instruction and remove unused code.
Reviewed-by: never
author | kvn |
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date | Wed, 25 May 2011 21:17:07 -0700 |
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3403:7db2b9499c36 | 3738:c7c81f18c834 |
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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 7048332 | |
28 * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly | |
29 * | |
30 * @run main/othervm -Xbatch Test7048332 | |
31 */ | |
32 | |
33 | |
34 public class Test7048332 { | |
35 | |
36 static int capacity = 2; | |
37 static int first = 1; | |
38 static int last = 2; | |
39 | |
40 static int test(int i1, int i2, int i3, int i4, int i5, int i6) { | |
41 final int result; | |
42 if (last >= first) { | |
43 result = last - first; | |
44 } else { | |
45 result = last - first + capacity; | |
46 } | |
47 return result; | |
48 } | |
49 | |
50 public static void main(String [] args) { | |
51 for (int i = 0; i < 11000; i++) { | |
52 last = (i & 1) << 1; // 0 or 2 | |
53 int k = test(1, 2, 3, 4, 5, 6); | |
54 if (k != 1) { | |
55 System.out.println("FAILED: " + k + " != 1"); | |
56 System.exit(97); | |
57 } | |
58 } | |
59 } | |
60 } |