Improve Mips back-end's handling of DBG_VALUE. 

llvm-svn: 134224
diff --git a/llvm/lib/Target/Mips/MipsMCAsmInfo.cpp b/llvm/lib/Target/Mips/MipsMCAsmInfo.cpp
index c86bf40..97ed878 100644
--- a/llvm/lib/Target/Mips/MipsMCAsmInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsMCAsmInfo.cpp
@@ -16,7 +16,7 @@
 
 MipsMCAsmInfo::MipsMCAsmInfo(const Target &T, StringRef TT) {
   AlignmentIsInBytes          = false;
-  Data16bitsDirective         = "\t.half\t";
+  Data16bitsDirective         = "\t.2byte\t";
   Data32bitsDirective         = "\t.4byte\t";
   Data64bitsDirective         = 0;
   PrivateGlobalPrefix         = "$";