[stubs] Unify the type conversion call interface descriptors.

src/s390/interface-descriptors-s390.cc

 // Copyright 2015 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.
 
 #if V8_TARGET_ARCH_S390
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 71 matching lines @@
   Register registers[] = {r3};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r3};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-void ToNumberDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r2};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 // static
-const Register ToLengthDescriptor::ReceiverRegister() { return r2; }
-
-// static
-const Register ToStringDescriptor::ReceiverRegister() { return r2; }
-
-// static
-const Register ToNameDescriptor::ReceiverRegister() { return r2; }
-
-// static
-const Register ToObjectDescriptor::ReceiverRegister() { return r2; }
-
-void NumberToStringDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r2};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
+const Register TypeConversionDescriptor::ArgumentRegister() { return r2; }
 
 void TypeofDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r5};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void FastCloneRegExpDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r5, r4, r3, r2};
@@ skipping 137 matching lines @@
   Register registers[] = {r3, r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void CompareDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r3, r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
-void ToBooleanDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  Register registers[] = {r2};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
 void BinaryOpDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r3, r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 void BinaryOpWithAllocationSiteDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {r4, r3, r2};
   data->InitializePlatformSpecific(arraysize(registers), registers);
@@ skipping 88 matching lines @@
       r4,  // address of first argument (argv)
       r3   // the runtime function to call
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_S390