Mercurial > hg > truffle
annotate test/compiler/6910484/Test.java @ 18965:53fcb13db742
Always use read aware memory scheduling.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Tue, 27 Jan 2015 11:47:44 +0100 |
parents | c18cbe5936b8 |
children |
rev | line source |
---|---|
1154
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
1 /* |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
2 * Copyright 2009 SAP. All Rights Reserved. |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
4 * |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
8 * |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
13 * accompanied this code). |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
14 * |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
18 * |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1154
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1154
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1154
diff
changeset
|
21 * questions. |
1154
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
22 */ |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
23 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
24 /** |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
25 * @test |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
26 * @bug 6910484 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
27 * @summary incorrect integer optimization (loosing and op-r in a given example) |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
28 * |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
29 * @run main/othervm -Xbatch Test |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
30 */ |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
31 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
32 public class Test { |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
33 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
34 public static void main(String[] args) { |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
35 long iteration = 0; |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
36 for(int i = 0; i <11000; i++) { |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
37 iteration++; |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
38 int result = test(255); |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
39 if (result != 112) { |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
40 System.out.println("expected 112, but got " + result + " after iteration " + iteration); |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
41 System.exit(97); |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
42 } |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
43 } |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
44 } |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
45 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
46 private static int test(int x) { |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
47 return (x & -32) / 2; |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
48 } |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
49 |
174ade00803b
6910484: incorrect integer optimization (loosing and op-r in a given example)
kvn
parents:
diff
changeset
|
50 } |