Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: test/compiler/8005419/Test8005419.java
test/compiler/8005419/Test8005419.java
- changeset 4413
- 038dd2875b94
- child 6198
- 55fb97c4c58d
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| 4412:ffa87474d7a4 | 4413:038dd2875b94 |
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| 1 /* | |
| 2 * Copyright (c) 2012, 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 * @test | |
| 26 * @bug 8005419 | |
| 27 * @summary Improve intrinsics code performance on x86 by using AVX2 | |
| 28 * @run main/othervm -Xbatch -Xmx64m Test8005419 | |
| 29 * | |
| 30 */ | |
| 31 | |
| 32 public class Test8005419 { | |
| 33 public static int SIZE = 64; | |
| 34 | |
| 35 public static void main(String[] args) { | |
| 36 char[] a = new char[SIZE]; | |
| 37 char[] b = new char[SIZE]; | |
| 38 | |
| 39 for (int i = 16; i < SIZE; i++) { | |
| 40 a[i] = (char)i; | |
| 41 b[i] = (char)i; | |
| 42 } | |
| 43 String s1 = new String(a); | |
| 44 String s2 = new String(b); | |
| 45 | |
| 46 // Warm up | |
| 47 boolean failed = false; | |
| 48 int result = 0; | |
| 49 for (int i = 0; i < 10000; i++) { | |
| 50 result += test(s1, s2); | |
| 51 } | |
| 52 for (int i = 0; i < 10000; i++) { | |
| 53 result += test(s1, s2); | |
| 54 } | |
| 55 for (int i = 0; i < 10000; i++) { | |
| 56 result += test(s1, s2); | |
| 57 } | |
| 58 if (result != 0) failed = true; | |
| 59 | |
| 60 System.out.println("Start testing"); | |
| 61 // Compare same string | |
| 62 result = test(s1, s1); | |
| 63 if (result != 0) { | |
| 64 failed = true; | |
| 65 System.out.println("Failed same: result = " + result + ", expected 0"); | |
| 66 } | |
| 67 // Compare equal strings | |
| 68 for (int i = 1; i <= SIZE; i++) { | |
| 69 s1 = new String(a, 0, i); | |
| 70 s2 = new String(b, 0, i); | |
| 71 result = test(s1, s2); | |
| 72 if (result != 0) { | |
| 73 failed = true; | |
| 74 System.out.println("Failed equals s1[" + i + "], s2[" + i + "]: result = " + result + ", expected 0"); | |
| 75 } | |
| 76 } | |
| 77 // Compare equal strings but different sizes | |
| 78 for (int i = 1; i <= SIZE; i++) { | |
| 79 s1 = new String(a, 0, i); | |
| 80 for (int j = 1; j <= SIZE; j++) { | |
| 81 s2 = new String(b, 0, j); | |
| 82 result = test(s1, s2); | |
| 83 if (result != (i-j)) { | |
| 84 failed = true; | |
| 85 System.out.println("Failed diff size s1[" + i + "], s2[" + j + "]: result = " + result + ", expected " + (i-j)); | |
| 86 } | |
| 87 } | |
| 88 } | |
| 89 // Compare strings with one char different and different sizes | |
| 90 for (int i = 1; i <= SIZE; i++) { | |
| 91 s1 = new String(a, 0, i); | |
| 92 for (int j = 0; j < i; j++) { | |
| 93 b[j] -= 3; // change char | |
| 94 s2 = new String(b, 0, i); | |
| 95 result = test(s1, s2); | |
| 96 int chdiff = a[j] - b[j]; | |
| 97 if (result != chdiff) { | |
| 98 failed = true; | |
| 99 System.out.println("Failed diff char s1[" + i + "], s2[" + i + "]: result = " + result + ", expected " + chdiff); | |
| 100 } | |
| 101 result = test(s2, s1); | |
| 102 chdiff = b[j] - a[j]; | |
| 103 if (result != chdiff) { | |
| 104 failed = true; | |
| 105 System.out.println("Failed diff char s2[" + i + "], s1[" + i + "]: result = " + result + ", expected " + chdiff); | |
| 106 } | |
| 107 b[j] += 3; // restore | |
| 108 } | |
| 109 } | |
| 110 if (failed) { | |
| 111 System.out.println("FAILED"); | |
| 112 System.exit(97); | |
| 113 } | |
| 114 System.out.println("PASSED"); | |
| 115 } | |
| 116 | |
| 117 private static int test(String str1, String str2) { | |
| 118 return str1.compareTo(str2); | |
| 119 } | |
| 120 } |
