X87: Restructure the IC / Handler compilers

port r22622.

original commit message:
  Restructure the IC / Handler compilers.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/427463002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@22658 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x87/code-stubs-x87.cc

@@ -558,22 +558,14 @@ void MathPowStub::Generate(MacroAssembler* masm) {
 
 
 void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- ecx    : name
-  //  -- edx    : receiver
-  //  -- esp[0] : return address
-  // -----------------------------------
   Label miss;
+  Register receiver = LoadIC::ReceiverRegister();
 
-  if (kind() == Code::KEYED_LOAD_IC) {
-    __ cmp(ecx, Immediate(isolate()->factory()->prototype_string()));
-    __ j(not_equal, &miss);
-  }
-
-  StubCompiler::GenerateLoadFunctionPrototype(masm, edx, eax, ebx, &miss);
+  NamedLoadHandlerCompiler::GenerateLoadFunctionPrototype(masm, receiver, eax,
+                                                          ebx, &miss);
   __ bind(&miss);
-  StubCompiler::TailCallBuiltin(
-      masm, BaseLoadStoreStubCompiler::MissBuiltin(kind()));
+  PropertyAccessCompiler::TailCallBuiltin(
+      masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC));
 }