Mercurial > hg > truffle
annotate test/compiler/8000805/Test8000805.java @ 15169:0ba58961ba14
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 16 Apr 2014 19:00:14 +0200 |
parents | 4ca6dc0799b6 |
children | 89152779163c |
rev | line source |
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6891 | 1 /* |
14909 | 2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
6891 | 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 * @test | |
26 * @bug 8000805 | |
27 * @summary JMM issue: short loads are non-atomic | |
28 * | |
8684
7369298bec7e
7115383: TEST_BUG: some jtreg tests fail because they explicitly specify -server option
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6891
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29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -Xcomp -XX:+PrintCompilation -XX:CompileOnly=Test8000805.loadS2LmaskFF,Test8000805.loadS2Lmask16,Test8000805.loadS2Lmask13,Test8000805.loadUS_signExt,Test8000805.loadB2L_mask8 Test8000805 |
6891 | 30 */ |
31 | |
32 public class Test8000805 { | |
33 static long loadS2LmaskFF (short[] sa) { return sa[0] & 0xFF; } | |
34 static long loadS2LmaskFF_1 (short[] sa) { return sa[0] & 0xFF; } | |
35 | |
36 static long loadS2Lmask16 (short[] sa) { return sa[0] & 0xFFFE; } | |
37 static long loadS2Lmask16_1 (short[] sa) { return sa[0] & 0xFFFE; } | |
38 | |
39 static long loadS2Lmask13 (short[] sa) { return sa[0] & 0x0FFF; } | |
40 static long loadS2Lmask13_1 (short[] sa) { return sa[0] & 0x0FFF; } | |
41 | |
42 static int loadUS_signExt (char[] ca) { return (ca[0] << 16) >> 16; } | |
43 static int loadUS_signExt_1 (char[] ca) { return (ca[0] << 16) >> 16; } | |
44 | |
45 static long loadB2L_mask8 (byte[] ba) { return ba[0] & 0x55; } | |
46 static long loadB2L_mask8_1 (byte[] ba) { return ba[0] & 0x55; } | |
47 | |
48 public static void main(String[] args) { | |
49 for (int i = Byte.MIN_VALUE; i < Byte.MAX_VALUE; i++) { | |
50 byte[] ba = new byte[] { (byte) i}; | |
51 | |
52 { long v1 = loadB2L_mask8(ba); | |
53 long v2 = loadB2L_mask8_1(ba); | |
54 if (v1 != v2) | |
55 throw new InternalError(String.format("loadB2L_mask8 failed: %x != %x", v1, v2)); } | |
56 } | |
57 | |
58 for (int i = Short.MIN_VALUE; i < Short.MAX_VALUE; i++) { | |
59 short[] sa = new short[] { (short)i }; | |
60 char[] ca = new char[] { (char)i }; | |
61 | |
62 { long v1 = loadS2LmaskFF(sa); | |
63 long v2 = loadS2LmaskFF_1(sa); | |
64 if (v1 != v2) | |
65 throw new InternalError(String.format("loadS2LmaskFF failed: %x != %x", v1, v2)); } | |
66 | |
67 { long v1 = loadS2Lmask16(sa); | |
68 long v2 = loadS2Lmask16_1(sa); | |
69 if (v1 != v2) | |
70 throw new InternalError(String.format("loadS2Lmask16 failed: %x != %x", v1, v2)); } | |
71 | |
72 { long v1 = loadS2Lmask13(sa); | |
73 long v2 = loadS2Lmask13_1(sa); | |
74 if (v1 != v2) | |
75 throw new InternalError(String.format("loadS2Lmask13 failed: %x != %x", v1, v2)); } | |
76 | |
77 { int v1 = loadUS_signExt(ca); | |
78 int v2 = loadUS_signExt_1(ca); | |
79 if (v1 != v2) | |
80 throw new InternalError(String.format("loadUS_signExt failed: %x != %x", v1, v2)); } | |
81 } | |
82 | |
83 System.out.println("TEST PASSED."); | |
84 } | |
85 } |