ARM MC .s EmitStartOfAsm proof-of-concept cleanup

lib/MC/MCAsmStreamer.cpp

 //===- lib/MC/MCAsmStreamer.cpp - Text Assembly Output --------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCStreamer.h"
@@ skipping 226 matching lines @@
   assert(CurSection && "Cannot emit before setting section!");
 
   OS << *Symbol << MAI.getLabelSuffix();
   EmitEOL();
   Symbol->setSection(*CurSection);
 }
 
 void MCAsmStreamer::EmitAssemblerFlag(MCAssemblerFlag Flag) {
   switch (Flag) {
   default: assert(0 && "Invalid flag!");
+  case MCAF_SyntaxUnified:         OS << "\t.syntax unified"; break;
   case MCAF_SubsectionsViaSymbols: OS << ".subsections_via_symbols"; break;
   }
   EmitEOL();
 }
 
 void MCAsmStreamer::EmitAssignment(MCSymbol *Symbol, const MCExpr *Value) {
   OS << *Symbol << " = " << *Value;
   EmitEOL();
 
   // FIXME: Lift context changes into super class.
@@ skipping 449 matching lines @@
 }
 
 MCStreamer *llvm::createAsmStreamer(MCContext &Context,
                                     formatted_raw_ostream &OS,
                                     bool isLittleEndian,
                                     bool isVerboseAsm, MCInstPrinter *IP,
                                     MCCodeEmitter *CE, bool ShowInst) {
   return new MCAsmStreamer(Context, OS, isLittleEndian, isVerboseAsm,
                            IP, CE, ShowInst);
 }