Add VSUB vector instruction to the integrated ARM 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 443 matching lines @@
 
   void vstrs(const Operand *OpSd, const Operand *OpAddress,
              CondARM32::Cond Cond, const TargetLowering *Lowering) {
     const TargetInfo TInfo(Lowering);
     vstrs(OpSd, OpAddress, Cond, TInfo);
   }
 
   void vsubd(const Operand *OpDd, const Operand *OpDn, const Operand *OpDm,
              CondARM32::Cond Cond);
 
+  // Integer vector subtract.
+  void vsubqi(Type ElmtTy, const Operand *OpQd, const Operand *OpQm,
+              const Operand *OpQn);
+
+  // Float vector subtract
+  void vsubqf(const Operand *OpQd, const Operand *OpQm, const Operand *OpQn);
+
   void vsubs(const Operand *OpSd, const Operand *OpSn, const Operand *OpSm,
              CondARM32::Cond Cond);
 
   static bool classof(const Assembler *Asm) {
     return Asm->getKind() == Asm_ARM32;
   }
 
   void emitTextInst(const std::string &Text, SizeT InstSize);
 
 private:
@@ skipping 173 matching lines @@
 
   void emitVFPsss(CondARM32::Cond Cond, IValueT Opcode, const Operand *OpSd,
                   const Operand *OpSn, const Operand *OpSm,
                   const char *InstName);
 };
 
 } // end of namespace ARM32
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICEASSEMBLERARM32_H