test/compiler/6860469/Test.java

Wed, 15 Jul 2009 13:37:35 -0700

author
never
date
Wed, 15 Jul 2009 13:37:35 -0700
changeset 1285
fd50a67f97d1
child 1287
84770322b304
permissions
-rw-r--r--

6860469: remix_address_expressions sets incorrect control causing crash in split_if_with_block_post
Reviewed-by: never, kvn
Contributed-by: yamauchi@google.com, rasbold@google.com

     1 /*
     2  * Copyright 2009 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  */
    25 /**
    26  * @test
    27  * @bug 6860469
    28  * @summary remix_address_expressions reshapes address expression with bad control
    29  *
    30  * @run main/othervm -Xcomp -XX:CompileOnly=Test.C Test
    31  */
    33 public class Test {
    35   private static final int H = 16;
    36   private static final int F = 9;
    38   static int[] fl = new int[1 << F];
    40   static int C(int ll, int f) {
    41     int max = -1;
    42     int min = H + 1;
    44     if (ll != 0) {
    45       if (ll < min) {
    46         min = ll;
    47       }
    48       if (ll > max) {
    49         max = ll;
    50       }
    51     }
    53     if (f > max) {
    54       f = max;
    55     }
    56     if (min > f) {
    57       min = f;
    58     }
    60     for (int mc = 1 >> max - f; mc <= 0; mc++) {
    61       int i = mc << (32 - f);
    62       fl[i] = max;
    63     }
    65     return min;
    66   }
    68   public static void main(String argv[]) {
    69     C(0, 10);
    70   }
    71 }

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