Subzero. Adds x86-64 to the list of supported Subzero targets.

src/IceAssemblerX8664.h

-//===- subzero/src/IceAssemberX8664.h - Assembler for x86-64 ----*- C++ -*-===//
+//===- subzero/src/IceAssemblerX8664.h - Assembler for x86-64 -*- C++ -*---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the Assembler class for x86-64.h.
+// This file implements the Assembler class for x86-64.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef SUBZERO_SRC_ICEASSEMBLERX8664_H
 #define SUBZERO_SRC_ICEASSEMBLERX8664_H
 
 #include "IceAssembler.h"
+#include "IceDefs.h"
 
 namespace Ice {
 namespace X8664 {
 
 class AssemblerX8664 final : public Assembler {
   AssemblerX8664(const AssemblerX8664 &) = delete;
   AssemblerX8664 &operator=(const AssemblerX8664 &) = delete;
 
 public:
   explicit AssemblerX8664(bool use_far_branches = false) : Assembler() {
+    assert(!use_far_branches);
+    (void)use_far_branches;
     llvm::report_fatal_error("Not yet implemented");
   }
 
-  void alignFunction() override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
+  ~AssemblerX8664() override = default;
 
-  void padWithNop(intptr_t Padding) override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
-
-  SizeT getBundleAlignLog2Bytes() const override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
-
-  const char *getNonExecPadDirective() const override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
-
-  llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
-
-  void bindCfgNodeLabel(SizeT NodeNumber) override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
-
-  bool fixupIsPCRel(FixupKind Kind) const override {
-    llvm::report_fatal_error("Not yet implemented");
-  }
+  void alignFunction() override;
+  void padWithNop(intptr_t Padding) override;
+  SizeT getBundleAlignLog2Bytes() const override;
+  const char *getNonExecPadDirective() const override;
+  llvm::ArrayRef<uint8_t> getNonExecBundlePadding() const override;
+  void bindCfgNodeLabel(SizeT NodeNumber) override;
+  bool fixupIsPCRel(FixupKind Kind) const override;
 };
 
 } // end of namespace X8664
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLERX8664_H