1 /* 2 * Copyright (C) 2014 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 // Note that $opt$ is a marker for the optimizing compiler to test 18 // it does compile the method. 19 public class Main { 20 21 public static void assertFloatEquals(float expected, float result) { 22 if (expected != result) { 23 throw new Error("Expected: " + expected + ", found: " + result); 24 } 25 } 26 27 public static void main(String[] args) { 28 // Generate, compile and check long-to-float Dex instructions. 29 longToFloat(); 30 } 31 32 private static void longToFloat() { 33 // The result for this test case used to be slightly less accurate 34 // on ARM (both in Quick and Optimizing). 35 assertFloatEquals(Float.intBitsToFloat(-555858671), $opt$LongToFloat(-8008112895877447681L)); 36 } 37 38 // This method produces a long-to-float Dex instruction. 39 static float $opt$LongToFloat(long a) { return (float)a; } 40 } 41
