Fix the encoding of VLD4-dup alignment.
The only reasonable way I could find to do this is to provide an alternate
version of the addrmode6 operand with a different encoding function.  Use it
for all the VLD-dup instructions for the sake of consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120358 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/EDEmitter.cpp b/utils/TableGen/EDEmitter.cpp
index ab52e8b..61d4ccd 100644
--- a/utils/TableGen/EDEmitter.cpp
+++ b/utils/TableGen/EDEmitter.cpp
@@ -606,6 +606,7 @@
   MISC("addrmode5", "kOperandTypeARMAddrMode5");                  // R, I
   MISC("addrmode6", "kOperandTypeARMAddrMode6");                  // R, R, I, I
   MISC("am6offset", "kOperandTypeARMAddrMode6Offset");            // R, I, I
+  MISC("addrmode6dup", "kOperandTypeARMAddrMode6");               // R, R, I, I
   MISC("addrmodepc", "kOperandTypeARMAddrModePC");                // R, I
   MISC("reglist", "kOperandTypeARMRegisterList");                 // I, R, ...
   MISC("dpr_reglist", "kOperandTypeARMDPRRegisterList");          // I, R, ...