Rename AssemblerX86 to AssemblerX8632 so it works with SZTargets.def.

src/assembler_arm32.h

 //===- subzero/src/assembler_arm32.h - Assembler for ARM32 ------*- C++ -*-===//
 //
 // 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.
 //
 //===----------------------------------------------------------------------===//
 //
@@ skipping 10 matching lines @@
 
 #ifndef SUBZERO_SRC_ASSEMBLER_ARM32_H
 #define SUBZERO_SRC_ASSEMBLER_ARM32_H
 
 #include "IceDefs.h"
 #include "IceFixups.h"
 
 #include "assembler.h"
 
 namespace Ice {
+namespace ARM32 {
 
 class AssemblerARM32 : public Assembler {
   AssemblerARM32(const AssemblerARM32 &) = delete;
   AssemblerARM32 &operator=(const AssemblerARM32 &) = delete;
 
 public:
   explicit AssemblerARM32(bool use_far_branches = false) : Assembler() {
     // This mode is only needed and implemented for MIPS and ARM.
     assert(!use_far_branches);
     (void)use_far_branches;
@@ skipping 19 matching lines @@
     (void)NodeNumber;
     llvm::report_fatal_error("Not yet implemented.");
   }
 
   bool fixupIsPCRel(FixupKind Kind) const override {
     (void)Kind;
     llvm::report_fatal_error("Not yet implemented.");
   }
 };
 
+} // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ASSEMBLER_ARM32_H