jdk8-mips64-public/hotspot: test/compiler/8005419/Test8005419.java@dbb05f6d93c4 (annotated)

test/compiler/8005419/Test8005419.java@dbb05f6d93c4 (annotated)

test/compiler/8005419/Test8005419.java

Mon, 28 Jul 2014 15:06:38 -0700

author: fzhinkin
date: Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997: dbb05f6d93c4
parent 6198: 55fb97c4c58d
child 6876: 710a3c8b516e
permissions: -rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

 /*
  * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 8005419
  * @summary Improve intrinsics code performance on x86 by using AVX2
  * @run main/othervm -Xbatch -Xmx64m Test8005419
  *
  */
 public class Test8005419 {
     public static int SIZE = 64;
     public static void main(String[] args) {
         char[] a = new char[SIZE];
         char[] b = new char[SIZE];
         for (int i = 16; i < SIZE; i++) {
           a[i] = (char)i;
           b[i] = (char)i;
         }
         String s1 = new String(a);
         String s2 = new String(b);
         // Warm up
         boolean failed = false;
         int result = 0;
         for (int i = 0; i < 10000; i++) {
           result += test(s1, s2);
         }
         for (int i = 0; i < 10000; i++) {
           result += test(s1, s2);
         }
         for (int i = 0; i < 10000; i++) {
           result += test(s1, s2);
         }
         if (result != 0) failed = true;
         System.out.println("Start testing");
         // Compare same string
         result = test(s1, s1);
         if (result != 0) {
           failed = true;
           System.out.println("Failed same: result = " + result + ", expected 0");
         }
         // Compare equal strings
         for (int i = 1; i <= SIZE; i++) {
           s1 = new String(a, 0, i);
           s2 = new String(b, 0, i);
           result = test(s1, s2);
           if (result != 0) {
             failed = true;
             System.out.println("Failed equals s1[" + i + "], s2[" + i + "]: result = " + result + ", expected 0");
           }
         }
         // Compare equal strings but different sizes
         for (int i = 1; i <= SIZE; i++) {
           s1 = new String(a, 0, i);
           for (int j = 1; j <= SIZE; j++) {
             s2 = new String(b, 0, j);
             result = test(s1, s2);
             if (result != (i-j)) {
               failed = true;
               System.out.println("Failed diff size s1[" + i + "], s2[" + j + "]: result = " + result + ", expected " + (i-j));
             }
           }
         }
         // Compare strings with one char different and different sizes
         for (int i = 1; i <= SIZE; i++) {
           s1 = new String(a, 0, i);
           for (int j = 0; j < i; j++) {
             b[j] -= 3; // change char
             s2 = new String(b, 0, i);
             result = test(s1, s2);
             int chdiff = a[j] - b[j];
             if (result != chdiff) {
               failed = true;
               System.out.println("Failed diff char s1[" + i + "], s2[" + i + "]: result = " + result + ", expected " + chdiff);
             }
             result = test(s2, s1);
             chdiff = b[j] - a[j];
             if (result != chdiff) {
               failed = true;
               System.out.println("Failed diff char s2[" + i + "], s1[" + i + "]: result = " + result + ", expected " + chdiff);
             }
             b[j] += 3; // restore
           }
         }
         if (failed) {
           System.out.println("FAILED");
           System.exit(97);
         }
         System.out.println("PASSED");
     }
     private static int test(String str1, String str2) {
         return str1.compareTo(str2);
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/8005419/Test8005419.java@dbb05f6d93c4 (annotated)

test/compiler/8005419/Test8005419.java