[Interpreter] Add intrinsic for Runtime::kInlineCall.

src/interpreter/interpreter-intrinsics.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/interpreter/interpreter-intrinsics.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
@@ skipping 31 matching lines @@
 #undef LABEL_POINTER
 
 #define CASE(name, lower_case, count) \
   static_cast<int32_t>(Runtime::kInline##name),
   int32_t cases[] = {INTRINSICS_LIST(CASE)};
 #undef CASE
 
   __ Switch(function_id, &abort, cases, labels, arraysize(cases));
 #define HANDLE_CASE(name, lower_case, expected_arg_count)   \
   __ Bind(&lower_case);                                     \
-  if (FLAG_debug_code) {                                    \
+  if (FLAG_debug_code && expected_arg_count >= 0) {         \
     AbortIfArgCountMismatch(expected_arg_count, arg_count); \
   }                                                         \
-  result.Bind(name(first_arg_reg));                         \
+  result.Bind(name(first_arg_reg, arg_count, context));     \
   __ Goto(&end);
   INTRINSICS_LIST(HANDLE_CASE)
 #undef HANDLE_CASE
 
   __ Bind(&abort);
   __ Abort(BailoutReason::kUnexpectedFunctionIDForInvokeIntrinsic);
   result.Bind(__ UndefinedConstant());
   __ Goto(&end);
 
   __ Bind(&end);
@@ skipping 23 matching lines @@
   __ Goto(&end);
 
   __ Bind(&if_false);
   return_value.Bind(__ BooleanConstant(false));
   __ Goto(&end);
 
   __ Bind(&end);
   return return_value.value();
 }
 
-Node* IntrinsicsHelper::IsJSReceiver(Node* input) {
+Node* IntrinsicsHelper::IsJSReceiver(Node* input, Node* arg_count,
+                                     Node* context) {
   InterpreterAssembler::Variable return_value(assembler_,
                                               MachineRepresentation::kTagged);
 
   InterpreterAssembler::Label if_smi(assembler_), if_not_smi(assembler_),
       end(assembler_);
   Node* arg = __ LoadRegister(input);
 
   __ Branch(__ WordIsSmi(arg), &if_smi, &if_not_smi);
   __ Bind(&if_smi);
   return_value.Bind(__ BooleanConstant(false));
   __ Goto(&end);
 
   __ Bind(&if_not_smi);
   STATIC_ASSERT(LAST_TYPE == LAST_JS_RECEIVER_TYPE);
   return_value.Bind(CompareInstanceType(arg, FIRST_JS_RECEIVER_TYPE,
                                         kInstanceTypeGreaterThanOrEqual));
   __ Goto(&end);
 
   __ Bind(&end);
   return return_value.value();
 }
 
-Node* IntrinsicsHelper::IsArray(Node* input) {
+Node* IntrinsicsHelper::IsArray(Node* input, Node* arg_count, Node* context) {
   InterpreterAssembler::Variable return_value(assembler_,
                                               MachineRepresentation::kTagged);
 
   InterpreterAssembler::Label if_smi(assembler_), if_not_smi(assembler_),
       end(assembler_);
   Node* arg = __ LoadRegister(input);
 
   __ Branch(__ WordIsSmi(arg), &if_smi, &if_not_smi);
   __ Bind(&if_smi);
   return_value.Bind(__ BooleanConstant(false));
   __ Goto(&end);
 
   __ Bind(&if_not_smi);
   return_value.Bind(
       CompareInstanceType(arg, JS_ARRAY_TYPE, kInstanceTypeEqual));
   __ Goto(&end);
 
   __ Bind(&end);
   return return_value.value();
 }
 
+Node* IntrinsicsHelper::Call(Node* args_reg, Node* arg_count, Node* context) {
+  // First argument register contains the function target.
+  Node* function = __ LoadRegister(args_reg);
+
+  // Reciever is the second runtime call argument.

[oth, 2016/05/27 13:11:04]

s/Reciever/Receiver/

[rmcilroy, 2016/05/27 13:37:00]

Done.

+  Node* receiver_reg = __ NextRegister(args_reg);
+  Node* receiver_arg = __ RegisterLocation(receiver_reg);
+
+  // Subtract function and reciever from arg count.

[oth, 2016/05/27 13:11:04]

s/reciever/receiver/

[rmcilroy, 2016/05/27 13:37:00]

Done.

+  Node* function_and_receiver_count = __ Int32Constant(2);
+  Node* target_args_count = __ Int32Sub(arg_count, function_and_receiver_count);
+
+  if (FLAG_debug_code) {
+    InterpreterAssembler::Label arg_count_positive(assembler_);
+    Node* comparison = __ Int32LessThan(target_args_count, __ Int32Constant(0));
+    __ GotoUnless(comparison, &arg_count_positive);
+    __ Abort(kWrongArgumentCountForInvokeIntrinsic);
+    __ Goto(&arg_count_positive);
+    __ Bind(&arg_count_positive);
+  }
+
+  Node* result = __ CallJS(function, context, receiver_arg, target_args_count,
+                           TailCallMode::kDisallow);
+  return result;
+}
+
 void IntrinsicsHelper::AbortIfArgCountMismatch(int expected, Node* actual) {
-  InterpreterAssembler::Label match(assembler_), mismatch(assembler_),
-      end(assembler_);
+  InterpreterAssembler::Label match(assembler_);
   Node* comparison = __ Word32Equal(actual, __ Int32Constant(expected));
-  __ Branch(comparison, &match, &mismatch);
-  __ Bind(&mismatch);
+  __ GotoIf(comparison, &match);
   __ Abort(kWrongArgumentCountForInvokeIntrinsic);
-  __ Goto(&end);
+  __ Goto(&match);
   __ Bind(&match);
-  __ Goto(&end);
-  __ Bind(&end);
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespace v8