Add stub Arm code generator.
diff --git a/libacc/test b/libacc/test
index 17d7b55..be883a6 100755
--- a/libacc/test
+++ b/libacc/test
@@ -1,2 +1,3 @@
 #!/bin/sh
-g++ acc.cpp -ldl -o tests/acc && tests/acc tests/otcc.c -T tests/otcc.out && diff tests/otcc.out tests/otcc.out-orig
+g++ acc.cpp -ldl -o tests/acc && tests/acc tests/otcc.c -a x86 -d tests/otcc.out && diff tests/otcc.out tests/otcc.out-orig
+tests/acc tests/simplest.c