Subzero: Switch to AT&T asm syntax. I give up.

src/assembler_ia32.cpp

 //===- subzero/src/assembler_ia32.cpp - Assembler for x86-32  -------------===//
 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // Modified by the Subzero authors.
 //
 //===----------------------------------------------------------------------===//
 //
 //                        The Subzero Code Generator
@@ skipping 39 matching lines @@
 };
 
 Address Address::ofConstPool(GlobalContext *Ctx, Assembler *Asm,
                              const Constant *Imm) {
   // We should make this much lighter-weight. E.g., just record the const pool
   // entry ID.
   std::string Buffer;
   llvm::raw_string_ostream StrBuf(Buffer);
   Type Ty = Imm->getType();
   assert(llvm::isa<ConstantFloat>(Imm) || llvm::isa<ConstantDouble>(Imm));
-  StrBuf << "L$" << Ty << "$" << Imm->getPoolEntryID();
+  StrBuf << ".L$" << Ty << "$" << Imm->getPoolEntryID();
   const RelocOffsetT Offset = 0;
   const bool SuppressMangling = true;
   Constant *Sym =
       Ctx->getConstantSym(Ty, Offset, StrBuf.str(), SuppressMangling);
   AssemblerFixup *Fixup = x86::DisplacementRelocation::create(
       Asm, FK_Abs_4, llvm::cast<ConstantRelocatable>(Sym));
   return x86::Address::Absolute(Fixup);
 }
 
 AssemblerX86::~AssemblerX86() {
@@ skipping 2450 matching lines @@
   assert(shifter == RegX8632::Encoded_Reg_ecx);
   (void)shifter;
   if (Ty == IceType_i16)
     EmitOperandSizeOverride();
   EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3);
   EmitOperand(rm, operand);
 }
 
 } // end of namespace x86
 } // end of namespace Ice