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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 6636138
  27  * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.
  28  *
  29  * @run main/othervm -server -Xbatch -XX:CompileOnly=Test2.shift -XX:+UseSuperword Test2
  30  */
  31 
  32 class Test2 {
  33 
  34     public static void init(int src[]) {
  35         // Initialize the array
  36         for (int i = 0; i < src.length; i++)
  37             src[i] = i;
  38     }
  39 
  40    public static void shift(int src[]) {
  41        //left-shift the array
  42        for (int i = src.length-1; i > 0; i--){
  43            int tmp  = src[i];
  44            src[i]   = src[i-1];
  45            src[i-1] = tmp;
  46        }
  47     }
  48 
  49     public static void verify(int src[]) {

   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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /**
  25  * @test
  26  * @bug 6636138
  27  * @summary SuperWord::co_locate_pack(Node_List* p) generates memory graph that leads to memory order violation.
  28  *
  29  * @run main/othervm -server -Xbatch -XX:CompileOnly=Test2.shift Test2
  30  */
  31 
  32 class Test2 {
  33 
  34     public static void init(int src[]) {
  35         // Initialize the array
  36         for (int i = 0; i < src.length; i++)
  37             src[i] = i;
  38     }
  39 
  40    public static void shift(int src[]) {
  41        //left-shift the array
  42        for (int i = src.length-1; i > 0; i--){
  43            int tmp  = src[i];
  44            src[i]   = src[i-1];
  45            src[i-1] = tmp;
  46        }
  47     }
  48 
  49     public static void verify(int src[]) {