Begins implementation of ARM neon instructions.

runtime/vm/assembler_arm.h

 // 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.
 
 #ifndef VM_ASSEMBLER_ARM_H_
 #define VM_ASSEMBLER_ARM_H_
 
 #ifndef VM_ASSEMBLER_H_
 #error Do not include assembler_arm.h directly; use assembler.h instead.
 #endif
@@ skipping 50 matching lines @@
   friend class Assembler;
   DISALLOW_COPY_AND_ASSIGN(Label);
 };
 
 
 class CPUFeatures : public AllStatic {
  public:
   static void InitOnce();
   static bool double_truncate_round_supported() { return false; }
   static bool integer_division_supported();
+  static bool neon_supported();
 #if defined(USING_SIMULATOR)
   static void set_integer_division_supported(bool supported);
+  static void set_neon_supported(bool supported);
 #endif
  private:
   static bool integer_division_supported_;
+  static bool neon_supported_;
 #if defined(DEBUG)
   static bool initialized_;
 #endif
 };
 
 
 // Encodes Addressing Mode 1 - Data-processing operands.
 class ShifterOperand : public ValueObject {
  public:
   // Data-processing operands - Uninitialized.
@@ skipping 383 matching lines @@
   void vstms(BlockAddressMode am, Register base,
              SRegister first, SRegister last, Condition cond = AL);
 
   void vldmd(BlockAddressMode am, Register base,
              DRegister first, DRegister last, Condition cond = AL);
   void vstmd(BlockAddressMode am, Register base,
              DRegister first, DRegister last, Condition cond = AL);
 
   void vadds(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vaddd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
+  void vaddqi(int sz, QRegister qd, QRegister qn, QRegister qm);
+  void vaddqs(QRegister qd, QRegister qn, QRegister qm);
   void vsubs(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vsubd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vmuls(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vmuld(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vmlas(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vmlad(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vmlss(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vmlsd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
   void vdivs(SRegister sd, SRegister sn, SRegister sm, Condition cond = AL);
   void vdivd(DRegister dd, DRegister dn, DRegister dm, Condition cond = AL);
@@ skipping 308 matching lines @@
   void EmitVFPsd(Condition cond,
                  int32_t opcode,
                  SRegister sd,
                  DRegister dm);
 
   void EmitVFPds(Condition cond,
                  int32_t opcode,
                  DRegister dd,
                  SRegister sm);
 
+  void EmitSIMDqqq(int32_t opcode, int sz,
+                   QRegister qd, QRegister qn, QRegister qm);
+
   void EmitBranch(Condition cond, Label* label, bool link);
   static int32_t EncodeBranchOffset(int32_t offset, int32_t inst);
   static int DecodeBranchOffset(int32_t inst);
   int32_t EncodeTstOffset(int32_t offset, int32_t inst);
   int DecodeTstOffset(int32_t inst);
 
   void StoreIntoObjectFilter(Register object, Register value, Label* no_update);
 
   // Shorter filtering sequence that assumes that value is not a smi.
   void StoreIntoObjectFilterNoSmi(Register object,
                                   Register value,
                                   Label* no_update);
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(Assembler);
 };
 
 }  // namespace dart
 
 #endif  // VM_ASSEMBLER_ARM_H_