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 6912521
  27  * @summary small array copy as loads/stores
  28  * @compile TestArrayCopyAsLoadsStores.java TestArrayCopyUtils.java
  29  * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestArrayCopyAsLoadsStores::m* -XX:TypeProfileLevel=200 TestArrayCopyAsLoadsStores
  30  * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestArrayCopyAsLoadsStores::m* -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode -XX:TypeProfileLevel=200 TestArrayCopyAsLoadsStores
  31  *









  32  */
  33 
  34 import java.util.*;
  35 


  36 public class TestArrayCopyAsLoadsStores extends TestArrayCopyUtils {
  37 
  38     // array clone should be compiled as loads/stores
  39     @Args(src=ArraySrc.SMALL)
  40     static A[] m1() throws CloneNotSupportedException {
  41         return (A[])small_a_src.clone();
  42     }
  43 
  44     @Args(src=ArraySrc.SMALL)
  45     static int[] m2() throws CloneNotSupportedException {
  46         return (int[])small_int_src.clone();
  47     }
  48 
  49     // new array allocation should be optimized out
  50     @Args(src=ArraySrc.SMALL)
  51     static int m3() throws CloneNotSupportedException {
  52         int[] array_clone = (int[])small_int_src.clone();
  53         return array_clone[0] + array_clone[1] + array_clone[2] +
  54             array_clone[3] + array_clone[4];
  55     }

   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 6912521
  27  * @summary small array copy as loads/stores
  28  * @library /


  29  *
  30  * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
  31  *                   -XX:CompileCommand=dontinline,compiler.arraycopy.TestArrayCopyAsLoadsStores::m*
  32  *                   -XX:TypeProfileLevel=200
  33  *                   compiler.arraycopy.TestArrayCopyAsLoadsStores
  34  * @run main/othervm -ea -XX:-BackgroundCompilation -XX:-UseOnStackReplacement
  35  *                   -XX:CompileCommand=dontinline,compiler.arraycopy.TestArrayCopyAsLoadsStores::m*
  36  *                   -XX:TypeProfileLevel=200
  37  *                   -XX:+IgnoreUnrecognizedVMOptions -XX:+StressArrayCopyMacroNode
  38  *                   compiler.arraycopy.TestArrayCopyAsLoadsStores
  39  */
  40 
  41 package compiler.arraycopy;
  42 
  43 import java.util.Arrays;
  44 
  45 public class TestArrayCopyAsLoadsStores extends TestArrayCopyUtils {
  46 
  47     // array clone should be compiled as loads/stores
  48     @Args(src=ArraySrc.SMALL)
  49     static A[] m1() throws CloneNotSupportedException {
  50         return (A[])small_a_src.clone();
  51     }
  52 
  53     @Args(src=ArraySrc.SMALL)
  54     static int[] m2() throws CloneNotSupportedException {
  55         return (int[])small_int_src.clone();
  56     }
  57 
  58     // new array allocation should be optimized out
  59     @Args(src=ArraySrc.SMALL)
  60     static int m3() throws CloneNotSupportedException {
  61         int[] array_clone = (int[])small_int_src.clone();
  62         return array_clone[0] + array_clone[1] + array_clone[2] +
  63             array_clone[3] + array_clone[4];
  64     }