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

src/compiler/code-assembler.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.
 
 #include "src/compiler/code-assembler.h"
 
 #include <ostream>
 
 #include "src/code-factory.h"
 #include "src/compiler/graph.h"
@@ skipping 511 matching lines @@
 
   Node** args = zone()->NewArray<Node*>(4);
   args[0] = arg1;
   args[1] = arg2;
   args[2] = arg3;
   args[3] = context;
 
   return raw_assembler_->TailCallN(call_descriptor, target, args);
 }
 
+Node* CodeAssembler::TailCallStub(const CallInterfaceDescriptor& descriptor,
+                                  Node* target, Node* context, Node* arg1,
+                                  Node* arg2, Node* arg3, Node* arg4,
+                                  size_t result_size) {
+  CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor(
+      isolate(), zone(), descriptor, descriptor.GetStackParameterCount(),
+      CallDescriptor::kSupportsTailCalls, Operator::kNoProperties,
+      MachineType::AnyTagged(), result_size);
+
+  Node** args = zone()->NewArray<Node*>(5);
+  args[0] = arg1;
+  args[1] = arg2;
+  args[2] = arg3;
+  args[3] = arg4;
+  args[4] = context;
+
+  return raw_assembler_->TailCallN(call_descriptor, target, args);
+}
+
 Node* CodeAssembler::TailCallBytecodeDispatch(
     const CallInterfaceDescriptor& interface_descriptor,
     Node* code_target_address, Node** args) {
   CallDescriptor* descriptor = Linkage::GetBytecodeDispatchCallDescriptor(
       isolate(), zone(), interface_descriptor,
       interface_descriptor.GetStackParameterCount());
   return raw_assembler_->TailCallN(descriptor, code_target_address, args);
 }
 
 void CodeAssembler::Goto(CodeAssembler::Label* label) {
@@ skipping 190 matching lines @@
       }
     }
   }
 
   bound_ = true;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8