diff --git a/lib/Target/X86/X86IntelAsmPrinter.cpp b/lib/Target/X86/X86IntelAsmPrinter.cpp
index 11fb2607463..e217eef00cc 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.cpp
+++ b/lib/Target/X86/X86IntelAsmPrinter.cpp
@@ -102,10 +102,9 @@ void X86IntelAsmPrinter::printOp(const MachineOperand &MO,
     // FALLTHROUGH
   case MachineOperand::MO_MachineRegister:
     if (MRegisterInfo::isPhysicalRegister(MO.getReg()))
-      // Bug Workaround: See note in Printer::doInitialization about %.
-      O << "%" << RI.get(MO.getReg()).Name;
+      O << RI.get(MO.getReg()).Name;
     else
-      O << "%reg" << MO.getReg();
+      O << "reg" << MO.getReg();
     return;
 
   case MachineOperand::MO_SignExtendedImmed:
@@ -355,7 +354,7 @@ bool X86IntelAsmPrinter::printAsmMRegister(const MachineOperand &MO,
     break;
   }
 
-  O << '%' << Name;
+  O << Name;
   return false;
 }
 
diff --git a/lib/Target/X86/X86IntelAsmPrinter.h b/lib/Target/X86/X86IntelAsmPrinter.h
index fae8b8af37f..ffa3990ed1c 100755
--- a/lib/Target/X86/X86IntelAsmPrinter.h
+++ b/lib/Target/X86/X86IntelAsmPrinter.h
@@ -40,8 +40,7 @@ struct X86IntelAsmPrinter : public X86SharedAsmPrinter {
     const MachineOperand &MO = MI->getOperand(OpNo);
     if (MO.getType() == MachineOperand::MO_MachineRegister) {
       assert(MRegisterInfo::isPhysicalRegister(MO.getReg())&&"Not physref??");
-      // Bug Workaround: See note in Printer::doInitialization about %.
-      O << "%" << TM.getRegisterInfo()->get(MO.getReg()).Name;
+      O << TM.getRegisterInfo()->get(MO.getReg()).Name;
     } else {
       printOp(MO, Modifier);
     }