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 
assertFloatEquals(float expected, float result)21   public static void assertFloatEquals(float expected, float result) {
22     if (expected != result) {
23       throw new Error("Expected: " + expected + ", found: " + result);
24     }
25   }
26 
main(String[] args)27   public static void main(String[] args) {
28     // Generate, compile and check long-to-float Dex instructions.
29     longToFloat();
30   }
31 
longToFloat()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.
$opt$LongToFloat(long a)39   static float $opt$LongToFloat(long a) { return (float)a; }
40 }
41