Merge "Implement ParallelMoveResolver::Swap for doubles on arm."

3 files changed, 52 insertions, 0 deletions

diff --git a/test/439-swap-double/expected.txt b/test/439-swap-double/expected.txt
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--- /dev/null
+++ b/test/439-swap-double/expected.txt
@@ -0,0 +1,4 @@
+-26.0
+-24.0
+-22.0
+-20.0
diff --git a/test/439-swap-double/info.txt b/test/439-swap-double/info.txt
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index 0000000..23447d2
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+++ b/test/439-swap-double/info.txt
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+Test for the optimizing compiler's parallel swap support in
+the presence of register pairs (in this case, doubles on ARM).
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
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+++ b/test/439-swap-double/src/Main.java
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+/*
+ * 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;
+}