[mips] Add support to the '.dword' directive.

The '.dword' directive accepts a list of expressions and emits
them in 8-byte chunks in successive locations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204822 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Mips/AsmParser/MipsAsmParser.cpp

@@ -2629,6 +2629,11 @@ bool MipsAsmParser::parseDirectiveOption() {
 bool MipsAsmParser::ParseDirective(AsmToken DirectiveID) {
   StringRef IDVal = DirectiveID.getString();
 
+  if (IDVal == ".dword") {
+    parseDataDirective(8, DirectiveID.getLoc());
+    return false;
+  }
+
   if (IDVal == ".ent") {
     // Ignore this directive for now.
     Parser.Lex();