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 package org.openjdk.bench.java.lang.foreign;
25 
26 import java.lang.foreign.ValueLayout;

27 import java.lang.invoke.VarHandle;
28 
29 import static java.lang.foreign.ValueLayout.*;



30 
31 /**
32  * Some useful Java {@link ValueLayout} and associated {@link ValueLayout#arrayElementVarHandle(int...)} var handles.
33  */
34 public class JavaLayouts {
35 
36     static final VarHandle VH_INT_UNALIGNED = JAVA_INT_UNALIGNED.arrayElementVarHandle();

37 
38     static final VarHandle VH_INT = JAVA_INT.arrayElementVarHandle();






39 }

 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 package org.openjdk.bench.java.lang.foreign;
25 
26 import java.lang.foreign.ValueLayout;
27 import java.lang.invoke.MethodHandles;
28 import java.lang.invoke.VarHandle;
29 
30 import static java.lang.foreign.ValueLayout.JAVA_INT;
31 import static java.lang.foreign.ValueLayout.JAVA_INT_UNALIGNED;
32 import static java.lang.foreign.ValueLayout.JAVA_LONG;
33 import static java.lang.foreign.ValueLayout.JAVA_LONG_UNALIGNED;
34 
35 /**
36  * Some useful Java {@link ValueLayout} and associated array var handles.
37  */
38 public class JavaLayouts {
39 
40     static final VarHandle VH_INT_UNALIGNED = arrayVarHandle(JAVA_INT_UNALIGNED);
41     static final VarHandle VH_INT = arrayVarHandle(JAVA_INT);
42 
43     static final VarHandle VH_LONG_UNALIGNED = arrayVarHandle(JAVA_LONG_UNALIGNED);
44     static final VarHandle VH_LONG = arrayVarHandle(JAVA_LONG);
45 
46     private static VarHandle arrayVarHandle(ValueLayout layout) {
47         return MethodHandles.collectCoordinates(layout.varHandle(),
48             1, MethodHandles.insertArguments(layout.scaleHandle(), 0, 0L));
49     }
50 }