Revert "Create a RegisterSpec class inside of the IC that provides:"

src/code-stubs-hydrogen.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"
 
 #include "src/code-stubs.h"
 #include "src/field-index.h"
 #include "src/hydrogen.h"
 #include "src/lithium.h"
@@ skipping 521 matching lines @@
 
 
 Handle<Code> CreateAllocationSiteStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 template <>
 HValue* CodeStubGraphBuilder<KeyedLoadFastElementStub>::BuildCodeStub() {
   HInstruction* load = BuildUncheckedMonomorphicElementAccess(
-      GetParameter(KeyedLoadIC::kReceiverIndex),
-      GetParameter(KeyedLoadIC::kNameIndex),
-      NULL,
-      casted_stub()->is_js_array(),
-      casted_stub()->elements_kind(),
-      LOAD,
-      NEVER_RETURN_HOLE,
-      STANDARD_STORE);
+      GetParameter(0), GetParameter(1), NULL,
+      casted_stub()->is_js_array(), casted_stub()->elements_kind(),
+      LOAD, NEVER_RETURN_HOLE, STANDARD_STORE);
   return load;
 }
 
 
 Handle<Code> KeyedLoadFastElementStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 HLoadNamedField* CodeStubGraphBuilderBase::BuildLoadNamedField(
@@ skipping 809 matching lines @@
 }
 
 
 Handle<Code> FastNewContextStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 template<>
 HValue* CodeStubGraphBuilder<KeyedLoadDictionaryElementStub>::BuildCodeStub() {
-  HValue* receiver = GetParameter(KeyedLoadIC::kReceiverIndex);
-  HValue* key = GetParameter(KeyedLoadIC::kNameIndex);
+  HValue* receiver = GetParameter(0);
+  HValue* key = GetParameter(1);
 
   Add<HCheckSmi>(key);
 
   HValue* elements = AddLoadElements(receiver);
 
   HValue* hash = BuildElementIndexHash(key);
 
   return BuildUncheckedDictionaryElementLoad(receiver, elements, key, hash);
 }
 
@@ skipping 111 matching lines @@
   BuildElementsKindLimitCheck(if_builder, bit_field2, kind);
 
   Push(BuildUncheckedMonomorphicElementAccess(receiver, key, NULL,
                                               false, kind,
                                               LOAD, NEVER_RETURN_HOLE,
                                               STANDARD_STORE));
 }
 
 
 HValue* CodeStubGraphBuilder<KeyedLoadGenericElementStub>::BuildCodeStub() {
-  HValue* receiver = GetParameter(KeyedLoadIC::kReceiverIndex);
-  HValue* key = GetParameter(KeyedLoadIC::kNameIndex);
+  HValue* receiver = GetParameter(0);
+  HValue* key = GetParameter(1);
 
   // Split into a smi/integer case and unique string case.
   HIfContinuation index_name_split_continuation(graph()->CreateBasicBlock(),
                                                 graph()->CreateBasicBlock());
 
   BuildKeyedIndexCheck(key, &index_name_split_continuation);
 
   IfBuilder index_name_split(this, &index_name_split_continuation);
   index_name_split.Then();
   {
@@ skipping 182 matching lines @@
   return Pop();
 }
 
 
 Handle<Code> KeyedLoadGenericElementStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 } }  // namespace v8::internal