Make concrete classes for individual call descriptors.

src/x64/builtins-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/codegen.h"
 #include "src/deoptimizer.h"
@@ skipping 1047 matching lines @@
     __ movp(rbx,
             Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
     __ movp(rbx, FieldOperand(rbx, GlobalObject::kGlobalProxyOffset));
 
     // Push the receiver.
     __ bind(&push_receiver);
     __ Push(rbx);
 
     // Copy all arguments from the array to the stack.
     Label entry, loop;
-    Register receiver = LoadConvention::ReceiverRegister();
-    Register key = LoadConvention::NameRegister();
+    Register receiver = LoadDescriptor::ReceiverRegister();
+    Register key = LoadDescriptor::NameRegister();
     __ movp(key, Operand(rbp, kIndexOffset));
     __ jmp(&entry);
     __ bind(&loop);
     __ movp(receiver, Operand(rbp, kArgumentsOffset));  // load arguments
 
     // Use inline caching to speed up access to arguments.
     if (FLAG_vector_ics) {
-      __ Move(VectorLoadConvention::SlotRegister(), Smi::FromInt(0));
+      __ Move(VectorLoadICDescriptor::SlotRegister(), Smi::FromInt(0));
     }
     Handle<Code> ic =
         masm->isolate()->builtins()->KeyedLoadIC_Initialize();
     __ Call(ic, RelocInfo::CODE_TARGET);
     // It is important that we do not have a test instruction after the
     // call.  A test instruction after the call is used to indicate that
     // we have generated an inline version of the keyed load.  In this
     // case, we know that we are not generating a test instruction next.
 
     // Push the nth argument.
@@ skipping 429 matching lines @@
   __ bind(&ok);
   __ ret(0);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64