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

/*
 * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 */

/**
 * @test
 * @bug 6860469
 * @summary remix_address_expressions reshapes address expression with bad control
 *
 * @run main/othervm -Xcomp -XX:CompileOnly=Test.C Test
 */

public class Test {

  private static final int H = 16;
  private static final int F = 9;

  static int[] fl = new int[1 << F];

  static int C(int ll, int f) {
    int max = -1;
    int min = H + 1;

    if (ll != 0) {
      if (ll < min) {
        min = ll;
      }
      if (ll > max) {
        max = ll;
      }
    }

    if (f > max) {
      f = max;
    }
    if (min > f) {
      min = f;
    }

    for (int mc = 1 >> max - f; mc <= 0; mc++) {
      int i = mc << (32 - f);
      fl[i] = max;
    }

    return min;
  }

  public static void main(String argv[]) {
    C(0, 10);
  }
}