diff --git a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
index 78240b3..6909da1 100644
--- a/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/llvm/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -347,7 +347,7 @@
 
     if (GV->hasExternalWeakLinkage())
       ExtWeakSymbols.insert(GV);
-    
+
     int Offset = MO.getOffset();
     if (Offset > 0)
       O << "+" << Offset;
@@ -355,7 +355,7 @@
       O << Offset;
 
     if (isThreadLocal) {
-      if (TM.getRelocationModel() == Reloc::PIC_)
+      if (TM.getRelocationModel() == Reloc::PIC_ || Subtarget->is64Bit())
         O << "@TLSGD"; // general dynamic TLS model
       else
         if (GV->isDeclaration())