A64: Remove Operand constructors where an implicit constructor can be used.

src/a64/deoptimizer-a64.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 167 matching lines @@
          kSavedRegistersAreaSize + (1 * kPointerSize));
   __ Sub(fp_to_sp, fp, fp_to_sp);
 
   // Allocate a new deoptimizer object.
   __ Ldr(x0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   __ Mov(x1, type());
   // Following arguments are already loaded:
   //  - x2: bailout id
   //  - x3: code object address
   //  - x4: fp-to-sp delta
-  __ Mov(x5, Operand(ExternalReference::isolate_address(isolate())));
+  __ Mov(x5, ExternalReference::isolate_address(isolate()));
 
   {
     // Call Deoptimizer::New().
     AllowExternalCallThatCantCauseGC scope(masm());
     __ CallCFunction(ExternalReference::new_deoptimizer_function(isolate()), 6);
   }
 
   // Preserve "deoptimizer" object in register x0.
   Register deoptimizer = x0;
 
@@ skipping 180 matching lines @@
 
 void FrameDescription::SetCallerConstantPool(unsigned offset, intptr_t value) {
   // No out-of-line constant pool support.
   UNREACHABLE();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal