content: /*
   * Copyright (C) 2015 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.
   */
  
  // Test for the optimizing compiler's parallel swap support in
  // the presence of register pairs (in this case, doubles on ARM).
  public class Main {
    public static void main(String[] args) {
      new Main().foo();
    }
  
    public void foo() {
      // Do multiple calls to force swapping of registers. Note that
      // this depends on the calling convention, as a stack-only convention
      // may not need the swapping.
      callWithDoubles(a, b, c, d, e, f, g);
      callWithDoubles(b, c, d, e, f, g, a);
      callWithDoubles(c, d, e, f, g, a, b);
      callWithDoubles(d, e, f, g, a, b, c);
    }
  
    public static void callWithDoubles(
        double a, double b, double c, double d, double e, double f, double g) {
      System.out.println(a - b - c - d - e - f - g);
    }
  
    double a = 1.0;
    double b = 2.0;
    double c = 3.0;
    double d = 4.0;
    double e = 5.0;
    double f = 6.0;
    double g = 7.0;
  }
  