Add insert/extract element to the integrated ARM assembler.

src/IceInstARM32.h

 //===- subzero/src/IceInstARM32.h - ARM32 machine instructions --*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 1350 matching lines @@
   InstARM32Extract(const InstARM32Extract &) = delete;
   InstARM32Extract &operator=(const InstARM32Extract &) = delete;
 
 public:
   static InstARM32Extract *create(Cfg *Func, Variable *Dest, Variable *Src0,
                                   uint32_t Index, CondARM32::Cond Predicate) {
     return new (Func->allocate<InstARM32Extract>())
         InstARM32Extract(Func, Dest, Src0, Index, Predicate);
   }
   void emit(const Cfg *Func) const override;
+  void emitIAS(const Cfg *Func) const override;
   static bool classof(const Inst *Inst) { return isClassof(Inst, Extract); }
 
 private:
   InstARM32Extract(Cfg *Func, Variable *Dest, Variable *Src0, uint32_t Index,
                    CondARM32::Cond Predicate)
       : InstARM32Pred(Func, InstARM32::Extract, 1, Dest, Predicate),
         Index(Index) {
     assert(Index < typeNumElements(Src0->getType()));
     addSource(Src0);
   }
 
   const uint32_t Index;
 };
 
 /// Generates vmov Dn[x], Rd instructions, and their related floating point
 /// versions.
 class InstARM32Insert final : public InstARM32Pred {
   InstARM32Insert() = delete;
   InstARM32Insert(const InstARM32Insert &) = delete;
   InstARM32Insert &operator=(const InstARM32Insert &) = delete;
 
 public:
   static InstARM32Insert *create(Cfg *Func, Variable *Dest, Variable *Src0,
                                  uint32_t Index, CondARM32::Cond Predicate) {
     return new (Func->allocate<InstARM32Insert>())
         InstARM32Insert(Func, Dest, Src0, Index, Predicate);
   }
   void emit(const Cfg *Func) const override;
+  void emitIAS(const Cfg *Func) const override;
   static bool classof(const Inst *Inst) { return isClassof(Inst, Insert); }
 
 private:
   InstARM32Insert(Cfg *Func, Variable *Dest, Variable *Src0, uint32_t Index,
                   CondARM32::Cond Predicate)
       : InstARM32Pred(Func, InstARM32::Insert, 1, Dest, Predicate),
         Index(Index) {
     assert(Index < typeNumElements(Dest->getType()));
     addSource(Src0);
   }
@@ skipping 109 matching lines @@
 // violations and link errors.
 
 template <> void InstARM32Ldr::emit(const Cfg *Func) const;
 template <> void InstARM32Movw::emit(const Cfg *Func) const;
 template <> void InstARM32Movt::emit(const Cfg *Func) const;
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEINSTARM32_H