view test/compiler/codegen/LoadWithMask.java @ 5800:f970454708b8

8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size Summary: Fix the sizing of loadUS2L_immI16 and loadI2L_immI Reviewed-by: kvn, azeemj
author iveresov
date Fri, 17 Jan 2014 18:09:08 -0800
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/*
 * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test
 * @bug 8032207
 * @summary Invalid node sizing for loadUS2L_immI16 and loadI2L_immI
 * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,LoadWithMask.foo LoadWithMask
 *
 */
public class LoadWithMask {
  static int x[] = new int[1];
  static long foo() {
    return x[0] & 0xfff0ffff;
  }

  public static void main(String[] args) {
    x[0] = -1;
    long l = 0;
    for (int i = 0; i < 100000; ++i) {
      l = foo();
    }
  }
}