[stubs] Unify the type conversion call interface descriptors.

src/interface-descriptors.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/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 namespace {
@@ skipping 179 matching lines @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void StringCompareDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {LeftRegister(), RightRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-
-void ToLengthDescriptor::InitializePlatformSpecific(
+void TypeConversionDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister()};
+  Register registers[] = {ArgumentRegister()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-
-void ToStringDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void ToNameDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void ToObjectDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {ReceiverRegister()};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 
 void MathPowTaggedDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {exponent()};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void MathPowIntegerDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ skipping 307 matching lines @@
   function->InitParameter(kAccumulatorParameter, AnyTagged(zone));
   function->InitParameter(kRegisterFileParameter, ExternalPointer(zone));
   function->InitParameter(kBytecodeOffsetParameter, UntaggedIntegral32(zone));
   function->InitParameter(kBytecodeArrayParameter, AnyTagged(zone));
   function->InitParameter(kDispatchTableParameter, AnyTagged(zone));
   return function;
 }
 
 }  // namespace internal
 }  // namespace v8