Refactor PUSH/POP in ARM assemblers.

src/IceAssembler.h

 //===- subzero/src/IceAssembler.h - Integrated assembler --------*- C++ -*-===//
 // Copyright (c) 2012, 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 16 matching lines @@
 #define SUBZERO_SRC_ICEASSEMBLER_H
 
 #include "IceDefs.h"
 #include "IceFixups.h"
 #include "IceUtils.h"
 
 namespace Ice {
 
 class Assembler;
 
+// Defines form that assembly instruction should be synthesized.

[John, 2016/01/04 15:27:49]

This is ARM specific. Please so not add it to target-independent headers.

[Karl, 2016/01/05 17:43:02]

Moved to IceInstARM32.h

+enum AssemblyOutputForm { TextualAssembly, BinaryAssembly };
+
 /// A Label can be in one of three states:
 ///  - Unused.
 ///  - Linked, unplaced and tracking the position of branches to the label.
 ///  - Bound, placed and tracking its position.
 class Label {
   Label(const Label &) = delete;
   Label &operator=(const Label &) = delete;
 
 public:
   Label() = default;
@@ skipping 301 matching lines @@
 protected:
   // Buffer's constructor uses the Allocator, so it needs to appear after it.
   // TODO(jpp): dependencies on construction order are a nice way of shooting
   // yourself in the foot. Fix this.
   AssemblerBuffer Buffer;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLER_H_