1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 public class Main { 18 19 public static void main(String[] args) { 20 System.out.println("passed"); 21 } 22 23 /// CHECK-START-ARM64: void Main.test() disassembly (after) 24 /// CHECK: InvokeStaticOrDirect method_name:java.lang.System.arraycopy intrinsic:SystemArrayCopy 25 /// CHECK-NOT: blr 26 /// CHECK: ReturnVoid 27 28 static void test() { 29 Object[] src = new Object[1024]; 30 Object[] dst = new Object[2048]; 31 // The length of the copied data must not be too large (smaller 32 // than kSystemArrayCopyThreshold = 128) for the call to 33 // System.arraycopy to be intrinsified. 34 System.arraycopy(src, 0, dst, 1024, 64); 35 } 36 37 } 38
