/* * Copyright (C) 2017 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static void main(String[] args) { System.out.println("passed"); } /// CHECK-START-ARM64: void Main.test() disassembly (after) /// CHECK: InvokeStaticOrDirect method_name:java.lang.System.arraycopy intrinsic:SystemArrayCopy /// CHECK-NOT: blr /// CHECK: ReturnVoid static void test() { Object[] src = new Object[1024]; Object[] dst = new Object[2048]; // The length of the copied data must not be too large (smaller // than kSystemArrayCopyThreshold = 128) for the call to // System.arraycopy to be intrinsified. System.arraycopy(src, 0, dst, 1024, 64); } }