Add POP instruction to ARM integrated assembler.

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 171 matching lines @@
 
   void mla(const Operand *OpRd, const Operand *OpRn, const Operand *OpRm,
            const Operand *OpRa, CondARM32::Cond Cond);
 
   void mul(const Operand *OpRd, const Operand *OpRn, const Operand *OpSrc1,
            bool SetFlags, CondARM32::Cond Cond);
 
   void orr(const Operand *OpRd, const Operand *OpRn, const Operand *OpSrc1,
            bool SetFlags, CondARM32::Cond Cond);
 
+  void pop(const Operand *OpRt, CondARM32::Cond Cond);
+
+  // Note: Registers is a bitset, where bit n corresponds to register Rn.
+  void popList(const IValueT Registers, CondARM32::Cond Cond);
+
   void push(const Operand *OpRt, CondARM32::Cond Cond);
 
   // Note: Registers is a bitset, where bit n corresponds to register Rn.
   void pushList(const IValueT Registers, CondARM32::Cond Cond);
 
   void sbc(const Operand *OpRd, const Operand *OpRn, const Operand *OpSrc1,
            bool SetFlags, CondARM32::Cond Cond);
 
   void sdiv(const Operand *OpRd, const Operand *OpRn, const Operand *OpSrc1,
             CondARM32::Cond Cond);
@@ skipping 106 matching lines @@
   IValueT encodeBranchOffset(IOffsetT Offset, IValueT Inst);
 
   // Returns the offset encoded in the branch instruction Inst.
   static IOffsetT decodeBranchOffset(IValueT Inst);
 };
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLERARM32_H