ARM64: Add NEON support

src/arm64/code-stubs-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_ARM64_CODE_STUBS_ARM64_H_
 #define V8_ARM64_CODE_STUBS_ARM64_H_
 
 namespace v8 {
 namespace internal {
 
@@ skipping 154 matching lines @@
     DCHECK(GetMode(stub) == mode);
   }
 
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
 
  private:
   // This is a helper class to manage the registers associated with the stub.
   // The 'object' and 'address' registers must be preserved.
   class RegisterAllocation {
    public:
-    RegisterAllocation(Register object,
-                       Register address,
-                       Register scratch)
+    RegisterAllocation(Register object, Register address, Register scratch)
         : object_(object),
           address_(address),
           scratch0_(scratch),
           saved_regs_(kCallerSaved),
-          saved_fp_regs_(kCallerSavedFP) {
+          saved_fp_regs_(kCallerSavedV) {
       DCHECK(!AreAliased(scratch, object, address));
 
       // The SaveCallerSaveRegisters method needs to save caller-saved
       // registers, but we don't bother saving MacroAssembler scratch registers.
       saved_regs_.Remove(MacroAssembler::DefaultTmpList());
       saved_fp_regs_.Remove(MacroAssembler::DefaultFPTmpList());
 
       // We would like to require more scratch registers for this stub,
       // but the number of registers comes down to the ones used in
       // FullCodeGen::SetVar(), which is architecture independent.
@@ skipping 189 matching lines @@
   class LookupModeBits: public BitField<LookupMode, 0, 1> {};
 
   DEFINE_NULL_CALL_INTERFACE_DESCRIPTOR();
   DEFINE_PLATFORM_CODE_STUB(NameDictionaryLookup, PlatformCodeStub);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ARM64_CODE_STUBS_ARM64_H_