PPC: [stubs] A new approach to TF stubs

src/ppc/interface-descriptors-ppc.cc

Index: src/ppc/interface-descriptors-ppc.cc
diff --git a/src/ppc/interface-descriptors-ppc.cc b/src/ppc/interface-descriptors-ppc.cc
index 8757ebf5713e0bf3cdf6032f81607b5b727090c3..69d788bf19c995d650391cba2fd7364d8701cb9d 100644
--- a/src/ppc/interface-descriptors-ppc.cc
+++ b/src/ppc/interface-descriptors-ppc.cc
@@ -390,27 +390,6 @@ void ApiAccessorDescriptor::InitializePlatformSpecific(
 }
 
 
-void MathRoundVariantCallFromUnoptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      r4,  // math rounding function
-      r6,  // vector slot id
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void MathRoundVariantCallFromOptimizedCodeDescriptor::
-    InitializePlatformSpecific(CallInterfaceDescriptorData* data) {
-  Register registers[] = {
-      r4,  // math rounding function
-      r6,  // vector slot id
-      r7,  // type vector
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void InterpreterPushArgsAndCallDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {