Reland "ARM64: Add NEON support"

src/crankshaft/arm64/delayed-masm-arm64.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_CRANKSHAFT_ARM64_DELAYED_MASM_ARM64_H_
 #define V8_CRANKSHAFT_ARM64_DELAYED_MASM_ARM64_H_
 
 #include "src/crankshaft/lithium.h"
 
 namespace v8 {
@@ skipping 43 matching lines @@
     scratch_register_acquired_ = false;
 #endif
   }
   bool pending() { return pending_ != kNone; }
 
   // Extra layer over the macro-assembler instructions (which emits the
   // potential pending instruction).
   inline void Mov(const Register& rd,
                   const Operand& operand,
                   DiscardMoveMode discard_mode = kDontDiscardForSameWReg);
-  inline void Fmov(FPRegister fd, FPRegister fn);
-  inline void Fmov(FPRegister fd, double imm);
+  inline void Fmov(VRegister fd, VRegister fn);
+  inline void Fmov(VRegister fd, double imm);
   inline void LoadObject(Register result, Handle<Object> object);
   // Instructions which try to merge which the pending instructions.
   void StackSlotMove(LOperand* src, LOperand* dst);
   // StoreConstant can only be used if the scratch register is not acquired.
   void StoreConstant(uint64_t value, const MemOperand& operand);
   void Load(const CPURegister& rd, const MemOperand& operand);
   void Store(const CPURegister& rd, const MemOperand& operand);
   // Emit the potential pending instruction.
   void EmitPending();
   // Reset the pending state.
@@ skipping 69 matching lines @@
   // If true, the scratch register has been acquired outside this class. The
   // scratch register can no longer be used for constants.
   bool scratch_register_acquired_;
 #endif
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_ARM64_DELAYED_MASM_ARM64_H_