Enable arm64 bit tests

 * fix compilation errors for integer.c
 * add scripts to run arm/arm64 test variants

Change-Id: Ie33fc50c7828d784163c11cc671af3dcfa0c54da
diff --git a/runtests-arm.sh b/runtests-arm.sh
new file mode 100755
index 0000000..846063c
--- /dev/null
+++ b/runtests-arm.sh
@@ -0,0 +1,16 @@
+# Copyright (C) 2014 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.
+
+dir=`dirname $0`
+$dir/runtest.sh vg-v6intThumb