Cleanup interface descriptors to reflect that vectors are part of loads.

src/x64/interface-descriptors-x64.cc

 // Copyright 2012 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/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 const Register CallInterfaceDescriptor::ContextRegister() { return rsi; }
 
 
 const Register LoadDescriptor::ReceiverRegister() { return rdx; }
 const Register LoadDescriptor::NameRegister() { return rcx; }
+const Register LoadDescriptor::SlotRegister() { return rax; }
 
 
-const Register VectorLoadICTrampolineDescriptor::SlotRegister() { return rax; }
-
-
-const Register VectorLoadICDescriptor::VectorRegister() { return rbx; }
+const Register LoadWithVectorDescriptor::VectorRegister() { return rbx; }
 
 
 const Register StoreDescriptor::ReceiverRegister() { return rdx; }
 const Register StoreDescriptor::NameRegister() { return rcx; }
 const Register StoreDescriptor::ValueRegister() { return rax; }
 
 
 const Register StoreTransitionDescriptor::MapRegister() { return rbx; }
 
 
@@ skipping 347 matching lines @@
       Representation::Tagged(),  //
       Representation::Tagged(),  //
       Representation::Tagged(),  //
   };
   data->Initialize(arraysize(registers), registers, representations);
 }
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64