Implement ParallelMoveResolver::Swap for doubles on arm.
Currently reserve a global register DTMP for these operations.
Change-Id: Ie88b4696af51834492fd062082335bc2e1137be2
diff --git a/test/439-swap-double/src/Main.java b/test/439-swap-double/src/Main.java
new file mode 100644
index 0000000..da11577
--- /dev/null
+++ b/test/439-swap-double/src/Main.java
@@ -0,0 +1,46 @@
+/*
+ * 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;
+}