On x64, cmpl can never take a int64 immediate.

Fix a wrong type widening in x64 code generator and add
CHECKs in the assembler.

Change-Id: Id35f5d47c6cf78ed07e73ab783db09712d3c437f

1 files changed, 31 insertions, 0 deletions

diff --git a/test/560-packed-switch/src/Main.java b/test/560-packed-switch/src/Main.java
new file mode 100644
index 0000000000..3b0b425c86
--- /dev/null
+++ b/test/560-packed-switch/src/Main.java
@@ -0,0 +1,31 @@
+/*
+ * 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.
+ */
+
+public class Main {
+  public static void main(String[] args) {
+    switch (staticField) {
+      case -1:
+        return;
+      case -4:
+        // We add this case to make it an odd number of case/default.
+        // The code generation for it used to be bogus.
+        throw new Error("Cannot happen");
+      default:
+        throw new Error("Cannot happen");
+    }
+  }
+  static int staticField = -1;
+}