Mercurial > hg > truffle
annotate test/compiler/8000805/Test8000805.java @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | 7369298bec7e |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 6891 | 1 /* |
|
17467
55fb97c4c58d
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
8684
diff
changeset
|
2 * Copyright (c) 2012, 2013, 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
collins
parents:
6891
diff
changeset
|
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 } |