Next round of tail call changes.  Register used in a tail
call must not be callee-saved; following x86, add a new
regclass to represent this.  Also fixes a couple of bugs.
Still disabled by default; Thumb doesn't work yet.

llvm-svn: 106053
diff --git a/llvm/utils/TableGen/ARMDecoderEmitter.cpp b/llvm/utils/TableGen/ARMDecoderEmitter.cpp
index 5f154b6..0b104ff 100644
--- a/llvm/utils/TableGen/ARMDecoderEmitter.cpp
+++ b/llvm/utils/TableGen/ARMDecoderEmitter.cpp
@@ -1579,7 +1579,8 @@
     if (Name == "TCRETURNdi" || Name == "TCRETURNdiND" ||
         Name == "TCRETURNri" || Name == "TCRETURNriND" ||
         Name == "TAILJMPd"  || Name == "TAILJMPdND" ||
-        Name == "TAILJMPr"  || Name == "TAILJMPrND")
+        Name == "TAILJMPr"  || Name == "TAILJMPrND" ||
+        Name == "MOVr_TC")
       return false;
 
     // VLDMQ/VSTMQ can be hanlded with the more generic VLDMD/VSTMD.