[stubs] Introducing LoadICTFStub and LoadICTrampolineTFStub and a switch to enable them instead of …

src/code-stubs.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/code-stubs.h"
 
 #include <sstream>
 
 #include "src/bootstrapper.h"
 #include "src/code-factory.h"
@@ skipping 425 matching lines @@
     case CompareICState::KNOWN_RECEIVER:
       DCHECK(*known_map_ != NULL);
       GenerateKnownReceivers(masm);
       break;
     case CompareICState::GENERIC:
       GenerateGeneric(masm);
       break;
   }
 }
 
-
 Handle<Code> TurboFanCodeStub::GenerateCode() {
   const char* name = CodeStub::MajorName(MajorKey());
   Zone zone(isolate()->allocator());
   CallInterfaceDescriptor descriptor(GetCallInterfaceDescriptor());
   CodeStubAssembler assembler(isolate(), &zone, descriptor, GetCodeFlags(),
                               name);
   GenerateAssembly(&assembler);
   return assembler.GenerateCode();
 }
 
+void LoadICTrampolineTFStub::GenerateAssembly(
+    CodeStubAssembler* assembler) const {
+  typedef compiler::Node Node;
+  typedef CodeStubAssembler::Label Label;
+
+  Node* receiver = assembler->Parameter(0);
+  Node* name = assembler->Parameter(1);
+  Node* slot = assembler->Parameter(2);
+  Node* context = assembler->Parameter(3);
+  Node* vector = assembler->LoadTypeFeedbackVectorForStub();
+
+  CodeStubAssembler::LoadICParameters p(context, receiver, name, slot, vector);
+  Label miss(assembler);
+  assembler->LoadIC(&p, &miss);
+
+  assembler->Bind(&miss);
+  assembler->TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name,
+                             slot, vector);
+}
+
+void LoadICTFStub::GenerateAssembly(CodeStubAssembler* assembler) const {
+  typedef compiler::Node Node;
+  typedef CodeStubAssembler::Label Label;
+
+  Node* receiver = assembler->Parameter(0);
+  Node* name = assembler->Parameter(1);
+  Node* slot = assembler->Parameter(2);
+  Node* vector = assembler->Parameter(3);
+  Node* context = assembler->Parameter(4);
+
+  CodeStubAssembler::LoadICParameters p(context, receiver, name, slot, vector);
+  Label miss(assembler);
+  assembler->LoadIC(&p, &miss);
+
+  assembler->Bind(&miss);
+  assembler->TailCallRuntime(Runtime::kLoadIC_Miss, context, receiver, name,
+                             slot, vector);
+}
+
 void AllocateHeapNumberStub::GenerateAssembly(
     CodeStubAssembler* assembler) const {
   typedef compiler::Node Node;
 
   Node* result = assembler->AllocateHeapNumber();
   assembler->Return(result);
 }
 
 #define SIMD128_GEN_ASM(TYPE, Type, type, lane_count, lane_type)            \
   void Allocate##Type##Stub::GenerateAssembly(CodeStubAssembler* assembler) \
@@ skipping 4272 matching lines @@
   if (type->Is(Type::UntaggedPointer())) {
     return Representation::External();
   }
 
   DCHECK(!type->Is(Type::Untagged()));
   return Representation::Tagged();
 }
 
 }  // namespace internal
 }  // namespace v8