hotspot/test/compiler/codegen/LoadWithMask.java
author iveresov
Fri, 17 Jan 2014 18:09:08 -0800
changeset 22512 ac73b3e6d336
child 26916 8a1deee4f9b4
permissions -rw-r--r--
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

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
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 * 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).
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/*
 * @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();
    }
  }
}