[RegisterConfiguration] Streamline access to arch defaults, simplify Registers.

src/objects.cc

 // Copyright 2015 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.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <sstream>
 
@@ skipping 14087 matching lines @@
 
         case Translation::BOOL_REGISTER: {
           int reg_code = iterator.Next();
           os << "{input=" << converter.NameOfCPURegister(reg_code)
              << " (bool)}";
           break;
         }
 
         case Translation::FLOAT_REGISTER: {
           int reg_code = iterator.Next();
-          os << "{input=" << FloatRegister::from_code(reg_code).ToString()
+          os << "{input="
+             << RegisterConfiguration::Crankshaft()->GetFloatRegisterName(
+                    reg_code)
              << "}";
           break;
         }
 
         case Translation::DOUBLE_REGISTER: {
           int reg_code = iterator.Next();
-          os << "{input=" << DoubleRegister::from_code(reg_code).ToString()
+          os << "{input="
+             << RegisterConfiguration::Crankshaft()->GetDoubleRegisterName(
+                    reg_code)
              << "}";
           break;
         }
 
         case Translation::STACK_SLOT: {
           int input_slot_index = iterator.Next();
           os << "{input=" << input_slot_index << "}";
           break;
         }
 
@@ skipping 4796 matching lines @@
 
   Object* data_obj =
       constructor->shared()->get_api_func_data()->access_check_info();
   if (data_obj->IsUndefined(isolate)) return nullptr;
 
   return AccessCheckInfo::cast(data_obj);
 }
 
 }  // namespace internal
 }  // namespace v8