Revert of [Interpreter] Add CallRuntime support to the interpreter.

src/compiler/interpreter-assembler.cc

Index: src/compiler/interpreter-assembler.cc
diff --git a/src/compiler/interpreter-assembler.cc b/src/compiler/interpreter-assembler.cc
index 5d4f9272c762cf6c53d635982b46a0ec2c12879d..3f5cf9a71eb048182da1cc5675f65bccc8520dde 100644
--- a/src/compiler/interpreter-assembler.cc
+++ b/src/compiler/interpreter-assembler.cc
@@ -314,30 +314,13 @@
 }
 
 
-Node* InterpreterAssembler::CallN(CallDescriptor* descriptor,
-                                  Node* code_target,
-                                  Node** args) {
-  Node* stack_pointer_before_call = nullptr;
-  if (FLAG_debug_code) {
-    stack_pointer_before_call = raw_assembler_->LoadStackPointer();
-  }
-  Node* return_val = raw_assembler_->CallN(descriptor, code_target, args);
-  if (FLAG_debug_code) {
-    Node* stack_pointer_after_call = raw_assembler_->LoadStackPointer();
-    AbortIfWordNotEqual(stack_pointer_before_call, stack_pointer_after_call,
-                        kUnexpectedStackPointer);
-  }
-  return return_val;
-}
-
-
 Node* InterpreterAssembler::CallJS(Node* function, Node* first_arg,
                                    Node* arg_count) {
-  Callable callable = CodeFactory::InterpreterPushArgsAndCall(isolate());
+  Callable builtin = CodeFactory::PushArgsAndCall(isolate());
   CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
-      isolate(), zone(), callable.descriptor(), 0, CallDescriptor::kNoFlags);
-
-  Node* code_target = HeapConstant(callable.code());
+      isolate(), zone(), builtin.descriptor(), 0, CallDescriptor::kNoFlags);
+
+  Node* code_target = HeapConstant(builtin.code());
 
   Node** args = zone()->NewArray<Node*>(4);
   args[0] = arg_count;
@@ -345,7 +328,7 @@
   args[2] = function;
   args[3] = ContextTaggedPointer();
 
-  return CallN(descriptor, code_target, args);
+  return raw_assembler_->CallN(descriptor, code_target, args);
 }
 
 
@@ -353,7 +336,7 @@
                                    Node* target, Node** args) {
   CallDescriptor* call_descriptor = Linkage::GetStubCallDescriptor(
       isolate(), zone(), descriptor, 0, CallDescriptor::kNoFlags);
-  return CallN(call_descriptor, target, args);
+  return raw_assembler_->CallN(call_descriptor, target, args);
 }
 
 
@@ -381,33 +364,6 @@
   args[4] = arg5;
   args[5] = ContextTaggedPointer();
   return CallIC(descriptor, target, args);
-}
-
-
-Node* InterpreterAssembler::CallRuntime(Node* function_id, Node* first_arg,
-                                        Node* arg_count) {
-  Callable callable = CodeFactory::InterpreterCEntry(isolate());
-  CallDescriptor* descriptor = Linkage::GetStubCallDescriptor(
-      isolate(), zone(), callable.descriptor(), 0, CallDescriptor::kNoFlags);
-
-  Node* code_target = HeapConstant(callable.code());
-
-  // Get the function entry from the function id.
-  Node* function_table = raw_assembler_->ExternalConstant(
-      ExternalReference::runtime_function_table_address(isolate()));
-  Node* function_offset = raw_assembler_->Int32Mul(
-      function_id, Int32Constant(sizeof(Runtime::Function)));
-  Node* function = IntPtrAdd(function_table, function_offset);
-  Node* function_entry = raw_assembler_->Load(
-      kMachPtr, function, Int32Constant(offsetof(Runtime::Function, entry)));
-
-  Node** args = zone()->NewArray<Node*>(4);
-  args[0] = arg_count;
-  args[1] = first_arg;
-  args[2] = function_entry;
-  args[3] = ContextTaggedPointer();
-
-  return CallN(descriptor, code_target, args);
 }
 
 
@@ -508,19 +464,6 @@
 }
 
 
-void InterpreterAssembler::AbortIfWordNotEqual(
-    Node* lhs, Node* rhs, BailoutReason bailout_reason) {
-  RawMachineAssembler::Label match, no_match;
-  Node* condition = raw_assembler_->WordEqual(lhs, rhs);
-  raw_assembler_->Branch(condition, &match, &no_match);
-  raw_assembler_->Bind(&no_match);
-  Node* abort_id = SmiTag(Int32Constant(bailout_reason));
-  CallRuntime(Runtime::kAbort, abort_id);
-  Return();
-  raw_assembler_->Bind(&match);
-}
-
-
 void InterpreterAssembler::AddEndInput(Node* input) {
   DCHECK_NOT_NULL(input);
   end_nodes_.push_back(input);