Add 256-bit vaddsub, vhadd, vhsub, vblend and vdpp instructions!

llvm-svn: 108769
diff --git a/llvm/utils/TableGen/EDEmitter.cpp b/llvm/utils/TableGen/EDEmitter.cpp
index c5ee828..80d09f9 100644
--- a/llvm/utils/TableGen/EDEmitter.cpp
+++ b/llvm/utils/TableGen/EDEmitter.cpp
@@ -339,6 +339,7 @@
   MEM("f80mem");
   MEM("opaque80mem");
   MEM("i128mem");
+  MEM("i256mem");
   MEM("f128mem");
   MEM("f256mem");
   MEM("opaque512mem");