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comparison test/compiler/6910605/Test.java @ 1252:f516d5d7a019

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6910605: C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used Summary: Set the reexecute bit for runtime calls _new_array_Java when they used for _multianewarray bytecode. Reviewed-by: never
author kvn
date Mon, 08 Feb 2010 12:20:09 -0800
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children c18cbe5936b8
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1251:576e77447e3c 1252:f516d5d7a019
1 /*
2 * Copyright 2010 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 /**
26 * @test
27 * @bug 6910605
28 * @summary C2: NullPointerException/ClassCaseException is thrown when C2 with DeoptimizeALot is used
29 *
30 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+DeoptimizeALot -Xbatch Test
31 *
32 * original test: nsk/coverage/runtime/runtime007
33 */
34
35 import java.io.*;
36
37 public class Test {
38 public static int buf=0;
39
40 public static void main( String argv[] ) {
41 System.exit(run(argv, System.out)+95);
42 }
43
44 public static int run(String argv[],PrintStream out) {
45 int ret=0, retx=0, bad=0;
46
47 for( int i=0; (i < 100000) && (bad < 10) ; i++ ) {
48 retx = OptoRuntime_f2i_Type(out);
49 ret += retx;
50 if( retx !=0 ) {
51 out.println("i="+i);
52 bad++;
53 }
54 }
55 return ret==0 ? 0 : 2 ;
56 }
57
58 public static int OptoRuntime_f2i_Type(PrintStream out) {
59 int c1=2, c2=3, c3=4, c4=5, c5=6;
60 int j=0, k=0;
61 try {
62 int[][] iii=(int[][])(new int[c1][c2]);
63
64 for( j=0; j<c1; j++ ) {
65 for( k=0; k<c2; k++ ) {
66 iii[j][k]=(int)((float)(j+1)/(float)(k+1));
67 }
68 }
69 } catch (Throwable e) {
70 out.println("Unexpected exception " + e);
71 e.printStackTrace(out);
72 out.println("j="+j+", k="+k);
73 return 1;
74 }
75 return 0;
76 }
77
78 }