[arm][turbofan] Use NEON for unaligned float64 memory accesses

src/arm/assembler-arm.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 450 matching lines @@
   SetAlignment(align);
 }
 
 
 NeonMemOperand::NeonMemOperand(Register rn, Register rm, int align) {
   rn_ = rn;
   rm_ = rm;
   SetAlignment(align);
 }
 
-
 void NeonMemOperand::SetAlignment(int align) {
   switch (align) {
     case 0:
       align_ = 0;
       break;
     case 64:
       align_ = 1;
       break;
     case 128:
       align_ = 2;
@@ skipping 4891 matching lines @@
 }
 
 void PatchingAssembler::FlushICache(Isolate* isolate) {
   Assembler::FlushICache(isolate, buffer_, buffer_size_ - kGap);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM