[stubs] Port LoadFunctionPrototypeStub to CSA

src/ppc/code-stubs-ppc.cc

Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index c8767e2d0ff2a03fc446c008212091ed45420071..57d3b47fbb70fe045b3d40ee570537c33076de8a 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -1220,22 +1220,6 @@ void JSEntryStub::Generate(MacroAssembler* masm) {
   __ blr();
 }
 
-
-void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
-  Label miss;
-  Register receiver = LoadDescriptor::ReceiverRegister();
-  // Ensure that the vector and slot registers won't be clobbered before
-  // calling the miss handler.
-  DCHECK(!AreAliased(r7, r8, LoadWithVectorDescriptor::VectorRegister(),
-                     LoadWithVectorDescriptor::SlotRegister()));
-
-  NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, r7,
-                                                          r8, &miss);
-  __ bind(&miss);
-  PropertyAccessCompiler::TailCallBuiltin(
-      masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
-}
-
 void RegExpExecStub::Generate(MacroAssembler* masm) {
 // Just jump directly to runtime if native RegExp is not selected at compile
 // time or if regexp entry in generated code is turned off runtime switch or