[interpreter] Create custom call opcodes for specific argument counts

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 529 matching lines @@
                                size_t result_size, Node* target, Node* context,
                                TArgs... args) {
   Node* nodes[] = {target, args..., context};
   return CallStubN(descriptor, result_size, arraysize(nodes), nodes);
 }
 
 // Instantiate CallStubR() with up to 6 arguments.
 #define INSTANTIATE(...)                                     \
   template V8_EXPORT_PRIVATE Node* CodeAssembler::CallStubR( \
       const CallInterfaceDescriptor& descriptor, size_t, Node*, __VA_ARGS__);
-REPEAT_1_TO_7(INSTANTIATE, Node*)
+REPEAT_1_TO_8(INSTANTIATE, Node*)
 #undef INSTANTIATE
 
 Node* CodeAssembler::CallStubN(const CallInterfaceDescriptor& descriptor,
                                size_t result_size, int input_count,
                                Node* const* inputs) {
   // 2 is for target and context.
   DCHECK_LE(2, input_count);
   int argc = input_count - 2;
   DCHECK_LE(descriptor.GetParameterCount(), argc);
   // Extra arguments not mentioned in the descriptor are passed on the stack.
@@ skipping 28 matching lines @@
 // Instantiate TailCallStub() with up to 6 arguments.
 #define INSTANTIATE(...)                                        \
   template V8_EXPORT_PRIVATE Node* CodeAssembler::TailCallStub( \
       const CallInterfaceDescriptor& descriptor, Node*, __VA_ARGS__);
 REPEAT_1_TO_7(INSTANTIATE, Node*)
 #undef INSTANTIATE
 
 template <class... TArgs>
 Node* CodeAssembler::TailCallBytecodeDispatch(
     const CallInterfaceDescriptor& descriptor, Node* target, TArgs... args) {
+  Comment("TailCallBytecodeDispatch");
   DCHECK_EQ(descriptor.GetParameterCount(), sizeof...(args));
   CallDescriptor* desc = Linkage::GetBytecodeDispatchCallDescriptor(
       isolate(), zone(), descriptor, descriptor.GetStackParameterCount());
 
   Node* nodes[] = {target, args...};
+  Comment("TAIL");
   return raw_assembler()->TailCallN(desc, arraysize(nodes), nodes);
 }
 
 // Instantiate TailCallBytecodeDispatch() with 4 arguments.
 template V8_EXPORT_PRIVATE Node* CodeAssembler::TailCallBytecodeDispatch(
     const CallInterfaceDescriptor& descriptor, Node* target, Node*, Node*,
     Node*, Node*);
 
 Node* CodeAssembler::CallCFunctionN(Signature<MachineType>* signature,
                                     int input_count, Node* const* inputs) {
@@ skipping 226 matching lines @@
       }
     }
   }
 
   bound_ = true;
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8