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comparison test/compiler/7048332/Test7048332.java @ 3738:c7c81f18c834

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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
date Wed, 25 May 2011 21:17:07 -0700
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3403:7db2b9499c36 3738:c7c81f18c834
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 }