Adds the x86-64 assembler.

src/IceAssemblerX8664.cpp

-//===- subzero/src/IceAssemblerX8664.cpp ----------------------------------===//
-//
-//                        The Subzero Code Generator
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-///
-/// \file
-/// This file implements the Assembler class for x86-64.
-///
-//===----------------------------------------------------------------------===//
-
-#include "IceAssemblerX8664.h"
-
-namespace Ice {
-namespace X8664 {
-
-void AssemblerX8664::alignFunction() {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-void AssemblerX8664::padWithNop(intptr_t) {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-SizeT AssemblerX8664::getBundleAlignLog2Bytes() const {
-  llvm::report_fatal_error("Not yet implemented");
-}
-const char *AssemblerX8664::getNonExecPadDirective() const {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-llvm::ArrayRef<uint8_t> AssemblerX8664::getNonExecBundlePadding() const {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-void AssemblerX8664::bindCfgNodeLabel(SizeT) {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-bool AssemblerX8664::fixupIsPCRel(FixupKind) const {
-  llvm::report_fatal_error("Not yet implemented");
-}
-
-} // namespace X8664
-} // namespace Ice