Subzero: Refactor x86 register definitions to use the alias mechanism.

src/IceAssemblerARM32.h

 //===- subzero/src/IceAssemblerARM32.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 25 matching lines @@
 #include "IceTargetLowering.h"
 
 namespace Ice {
 namespace ARM32 {
 
 class AssemblerARM32 : public Assembler {
   AssemblerARM32(const AssemblerARM32 &) = delete;
   AssemblerARM32 &operator=(const AssemblerARM32 &) = delete;
 
 public:
-  explicit AssemblerARM32(GlobalContext *Ctx, bool use_far_branches = false)
-      : Assembler(Asm_ARM32, Ctx) {
+  explicit AssemblerARM32(bool use_far_branches = false)
+      : Assembler(Asm_ARM32) {
     // TODO(kschimpf): Add mode if needed when branches are handled.
     (void)use_far_branches;
   }
   ~AssemblerARM32() override = default;
 
   void alignFunction() override {
     const SizeT Align = 1 << getBundleAlignLog2Bytes();
     SizeT BytesNeeded = Utils::OffsetToAlignment(Buffer.getPosition(), Align);
     constexpr uint32_t UndefinedInst = 0xe7fedef0; // udf #60896
     constexpr SizeT InstSize = sizeof(int32_t);
@@ skipping 86 matching lines @@
   // Address is assumed to be defined by decodeAddress() in
   // IceAssemblerARM32.cpp.
   void emitMemOp(CondARM32::Cond Cond, uint32_t InstType, bool IsLoad,
                  bool IsByte, uint32_t Rt, uint32_t Address);
 };
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLERARM32_H