Make concrete classes for individual call descriptors.

src/ic/ic-conventions.h

-// Copyright 2014 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.
-
-#ifndef V8_IC_CONVENTIONS_H_
-#define V8_IC_CONVENTIONS_H_
-
-namespace v8 {
-namespace internal {
-
-class LoadConvention {
- public:
-  enum ParameterIndices { kReceiverIndex, kNameIndex, kParameterCount };
-  static const Register ReceiverRegister();
-  static const Register NameRegister();
-};
-
-
-class VectorLoadConvention : public LoadConvention {
- public:
-  enum ParameterIndices {
-    kReceiverIndex,
-    kNameIndex,
-    kSlotIndex,
-    kParameterCount
-  };
-  static const Register SlotRegister();
-};
-
-
-class FullVectorLoadConvention : public VectorLoadConvention {
- public:
-  enum ParameterIndices {
-    kReceiverIndex,
-    kNameIndex,
-    kSlotIndex,
-    kVectorIndex,
-    kParameterCount
-  };
-  static const Register VectorRegister();
-};
-
-
-class StoreConvention {
- public:
-  enum ParameterIndices {
-    kReceiverIndex,
-    kNameIndex,
-    kValueIndex,
-    kParameterCount
-  };
-  static const Register ReceiverRegister();
-  static const Register NameRegister();
-  static const Register ValueRegister();
-
-  // The map register isn't part of the normal call specification, but
-  // ElementsTransitionAndStoreStub, used in polymorphic keyed store
-  // stub implementations requires it to be initialized.
-  static const Register MapRegister();
-};
-
-
-class InstanceofConvention {
- public:
-  enum ParameterIndices { kLeftIndex, kRightIndex, kParameterCount };
-  static const Register left();
-  static const Register right();
-};
-}
-}  // namespace v8::internal
-
-#endif  // V8_IC_CONVENTIONS_H_