ARM64: Fix Register and FPRegister copy constructors.

src/arm64/stub-cache-arm64.cc

 // Copyright 2013 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 377 matching lines @@
     Handle<Object> constant(descriptors->GetValue(descriptor), masm->isolate());
     __ LoadObject(scratch1, constant);
     __ Cmp(value_reg, scratch1);
     __ B(ne, miss_label);
   } else if (representation.IsSmi()) {
     __ JumpIfNotSmi(value_reg, miss_label);
   } else if (representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_label);
   } else if (representation.IsDouble()) {
     UseScratchRegisterScope temps(masm);
-    Register temp_double = temps.AcquireD();
+    DoubleRegister temp_double = temps.AcquireD();
     __ SmiUntagToDouble(temp_double, value_reg, kSpeculativeUntag);
 
     Label do_store, heap_number;
     __ AllocateHeapNumber(storage_reg, slow, scratch1, scratch2);
 
     __ JumpIfSmi(value_reg, &do_store);
 
     __ CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex,
                 miss_label, DONT_DO_SMI_CHECK);
     __ Ldr(temp_double, FieldMemOperand(value_reg, HeapNumber::kValueOffset));
@@ skipping 130 matching lines @@
   index -= object->map()->inobject_properties();
 
   Representation representation = lookup->representation();
   ASSERT(!representation.IsNone());
   if (representation.IsSmi()) {
     __ JumpIfNotSmi(value_reg, miss_label);
   } else if (representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_label);
   } else if (representation.IsDouble()) {
     UseScratchRegisterScope temps(masm);
-    Register temp_double = temps.AcquireD();
+    DoubleRegister temp_double = temps.AcquireD();
 
     __ SmiUntagToDouble(temp_double, value_reg, kSpeculativeUntag);
 
     // Load the double storage.
     if (index < 0) {
       int offset = (index * kPointerSize) + object->map()->instance_size();
       __ Ldr(scratch1, FieldMemOperand(receiver_reg, offset));
     } else {
       int offset = (index * kPointerSize) + FixedArray::kHeaderSize;
       __ Ldr(scratch1,
@@ skipping 927 matching lines @@
 
   // Miss case, call the runtime.
   __ Bind(&miss);
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64