hotspot/test/compiler/6860469/Test.java
author never
Wed, 15 Jul 2009 13:37:35 -0700
changeset 3267 519fbe71f995
child 3269 86f706946453
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
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/*
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 * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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/**
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 * @test
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 * @bug 6860469
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 * @summary remix_address_expressions reshapes address expression with bad control
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 *
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 * @run main/othervm -Xcomp -XX:CompileOnly=Test.C Test
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 */
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public class Test {
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  private static final int H = 16;
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  private static final int F = 9;
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  static int[] fl = new int[1 << F];
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  static int C(int ll, int f) {
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    int max = -1;
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    int min = H + 1;
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    if (ll != 0) {
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      if (ll < min) {
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        min = ll;
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      }
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      if (ll > max) {
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        max = ll;
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      }
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    }
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    if (f > max) {
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      f = max;
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    }
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    if (min > f) {
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      min = f;
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    }
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    for (int mc = 1 >> max - f; mc <= 0; mc++) {
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      int i = mc << (32 - f);
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      fl[i] = max;
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    }
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    return min;
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  }
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  public static void main(String argv[]) {
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    C(0, 10);
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  }
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}