hotspot/test/compiler/loopopts/6860469/Test.java
changeset 27699 9913b19c0948
parent 5547 f4b087cbb361
equal deleted inserted replaced
27698:123470911257 27699:9913b19c0948
       
     1 /*
       
     2  * Copyright 2009 Google 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 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 /**
       
    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  */
       
    32 
       
    33 public class Test {
       
    34 
       
    35   private static final int H = 16;
       
    36   private static final int F = 9;
       
    37 
       
    38   static int[] fl = new int[1 << F];
       
    39 
       
    40   static int C(int ll, int f) {
       
    41     int max = -1;
       
    42     int min = H + 1;
       
    43 
       
    44     if (ll != 0) {
       
    45       if (ll < min) {
       
    46         min = ll;
       
    47       }
       
    48       if (ll > max) {
       
    49         max = ll;
       
    50       }
       
    51     }
       
    52 
       
    53     if (f > max) {
       
    54       f = max;
       
    55     }
       
    56     if (min > f) {
       
    57       min = f;
       
    58     }
       
    59 
       
    60     for (int mc = 1 >> max - f; mc <= 0; mc++) {
       
    61       int i = mc << (32 - f);
       
    62       fl[i] = max;
       
    63     }
       
    64 
       
    65     return min;
       
    66   }
       
    67 
       
    68   public static void main(String argv[]) {
       
    69     C(0, 10);
       
    70   }
       
    71 }