6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6700100
  27  * @summary small instance clone as loads/stores
  28  * @compile TestInstanceCloneAsLoadsStores.java TestInstanceCloneUtils.java
  29  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestInstanceCloneAsLoadsStores::m* TestInstanceCloneAsLoadsStores
  30  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestInstanceCloneAsLoadsStores::m* -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode TestInstanceCloneAsLoadsStores
  31  *
  32  */
  33 
  34 public class TestInstanceCloneAsLoadsStores extends TestInstanceCloneUtils {
  35 
  36     // Should be compiled as loads/stores
  37     static Object m1(D src) throws CloneNotSupportedException {
  38         return src.clone();
  39     }
  40 
  41     // Should be compiled as adds of src (dest allocation eliminated)
  42     static int m2(D src) throws CloneNotSupportedException {
  43         D dest = (D)src.clone();
  44         return dest.i1 + dest.i2 + ((int)dest.i3) + dest.i4 + dest.i5;
  45     }
  46 
  47     // Should be compiled as arraycopy stub call (object too large)
  48     static int m3(E src) throws CloneNotSupportedException {
  49         E dest = (E)src.clone();
  50         return dest.i1 + dest.i2 + dest.i3 + dest.i4 + dest.i5 +
  51             dest.i6 + dest.i7 + dest.i8 + dest.i9;

   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 6700100 8156760
  27  * @summary small instance clone as loads/stores
  28  * @compile TestInstanceCloneAsLoadsStores.java TestInstanceCloneUtils.java
  29  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestInstanceCloneAsLoadsStores::m* TestInstanceCloneAsLoadsStores
  30  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestInstanceCloneAsLoadsStores::m* -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode TestInstanceCloneAsLoadsStores
  31  * @run main/othervm -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestInstanceCloneAsLoadsStores::m* -XX:+IgnoreUnrecognizedVMOptions -XX:-ReduceInitialCardMarks TestInstanceCloneAsLoadsStores
  32  */
  33 
  34 public class TestInstanceCloneAsLoadsStores extends TestInstanceCloneUtils {
  35 
  36     // Should be compiled as loads/stores
  37     static Object m1(D src) throws CloneNotSupportedException {
  38         return src.clone();
  39     }
  40 
  41     // Should be compiled as adds of src (dest allocation eliminated)
  42     static int m2(D src) throws CloneNotSupportedException {
  43         D dest = (D)src.clone();
  44         return dest.i1 + dest.i2 + ((int)dest.i3) + dest.i4 + dest.i5;
  45     }
  46 
  47     // Should be compiled as arraycopy stub call (object too large)
  48     static int m3(E src) throws CloneNotSupportedException {
  49         E dest = (E)src.clone();
  50         return dest.i1 + dest.i2 + dest.i3 + dest.i4 + dest.i5 +
  51             dest.i6 + dest.i7 + dest.i8 + dest.i9;