1 /*
 2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 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 package org.openjdk.bench.valhalla.array.copy;
24 
25 import org.openjdk.bench.valhalla.array.util.StatesR32int;
26 import org.openjdk.bench.valhalla.types.R32int;
27 import org.openjdk.jmh.annotations.Benchmark;
28 import org.openjdk.jmh.annotations.CompilerControl;
29 
30 public class Identity32int extends StatesR32int {
31 
32     @Benchmark
33     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
34     public void ref_copy(Ref_as_Ref s, Ref_as_Ref d) {
35         R32int[] src = s.arr;
36         R32int[] dst = d.arr;
37         for (int i = 0; i < src.length; i++) {
38             dst[i] = src[i];
39         }
40     }
41 
42     @Benchmark
43     @CompilerControl(CompilerControl.Mode.DONT_INLINE)
44     public void ref_arraycopy(Ref_as_Ref s, Ref_as_Ref d) {
45         System.arraycopy(s.arr, 0, d.arr, 0, s.arr.length);
46     }
47 
48 }