[runtime] TailCallRuntime and CallRuntime should use default argument counts

src/ic/ppc/handler-compiler-ppc.cc

 // Copyright 2014 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.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
 #include "src/isolate-inl.h"
@@ skipping 202 matching lines @@
   STATIC_ASSERT(NamedLoadHandlerCompiler::kInterceptorArgsLength == 3);
   __ push(name);
   __ push(receiver);
   __ push(holder);
 }
 
 
 static void CompileCallLoadPropertyWithInterceptor(
     MacroAssembler* masm, Register receiver, Register holder, Register name,
     Handle<JSObject> holder_obj, Runtime::FunctionId id) {
+  DCHECK(NamedLoadHandlerCompiler::kInterceptorArgsLength ==

[Igor Sheludko, 2015/12/30 14:48:17]

Ditto.

+         Runtime::FunctionForId(id)->nargs);
   PushInterceptorArguments(masm, receiver, holder, name, holder_obj);
-  __ CallRuntime(id, NamedLoadHandlerCompiler::kInterceptorArgsLength);
+  __ CallRuntime(id);
 }
 
 
 // Generate call to api function.
 void PropertyHandlerCompiler::GenerateApiAccessorCall(
     MacroAssembler* masm, const CallOptimization& optimization,
     Handle<Map> receiver_map, Register receiver, Register scratch_in,
     bool is_store, Register store_parameter, Register accessor_holder,
     int accessor_index) {
   DCHECK(!accessor_holder.is(scratch_in));
@@ skipping 82 matching lines @@
           VectorStoreICDescriptor::SlotRegister(),
           VectorStoreICDescriptor::VectorRegister());
 }
 
 
 void NamedStoreHandlerCompiler::GenerateSlow(MacroAssembler* masm) {
   StoreIC_PushArgs(masm);
 
   // The slow case calls into the runtime to complete the store without causing
   // an IC miss that would otherwise cause a transition to the generic stub.
-  __ TailCallRuntime(Runtime::kStoreIC_Slow, 5);
+  __ TailCallRuntime(Runtime::kStoreIC_Slow);
 }
 
 
 void ElementHandlerCompiler::GenerateStoreSlow(MacroAssembler* masm) {
   StoreIC_PushArgs(masm);
 
   // The slow case calls into the runtime to complete the store without causing
   // an IC miss that would otherwise cause a transition to the generic stub.
-  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow, 5);
+  __ TailCallRuntime(Runtime::kKeyedStoreIC_Slow);
 }
 
 
 #undef __
 #define __ ACCESS_MASM(masm())
 
 
 void NamedStoreHandlerCompiler::GenerateRestoreName(Label* label,
                                                     Handle<Name> name) {
   if (!label->is_unused()) {
@@ skipping 350 matching lines @@
 }
 
 
 void NamedLoadHandlerCompiler::GenerateLoadInterceptor(Register holder_reg) {
   // Call the runtime system to load the interceptor.
   DCHECK(holder()->HasNamedInterceptor());
   DCHECK(!holder()->GetNamedInterceptor()->getter()->IsUndefined());
   PushInterceptorArguments(masm(), receiver(), holder_reg, this->name(),
                            holder());
 
-  __ TailCallRuntime(Runtime::kLoadPropertyWithInterceptor,
-                     NamedLoadHandlerCompiler::kInterceptorArgsLength);
+  __ TailCallRuntime(Runtime::kLoadPropertyWithInterceptor);
 }
 
 
 Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback(
     Handle<JSObject> object, Handle<Name> name,
     Handle<ExecutableAccessorInfo> callback) {
   Register holder_reg = Frontend(name);
 
   __ Push(receiver(), holder_reg);  // receiver
 
   // If the callback cannot leak, then push the callback directly,
   // otherwise wrap it in a weak cell.
   if (callback->data()->IsUndefined() || callback->data()->IsSmi()) {
     __ mov(ip, Operand(callback));
   } else {
     Handle<WeakCell> cell = isolate()->factory()->NewWeakCell(callback);
     __ mov(ip, Operand(cell));
   }
   __ push(ip);
   __ mov(ip, Operand(name));
   __ Push(ip, value());
 
   // Do tail-call to the runtime system.
-  __ TailCallRuntime(Runtime::kStoreCallbackProperty, 5);
+  __ TailCallRuntime(Runtime::kStoreCallbackProperty);
 
   // Return the generated code.
   return GetCode(kind(), Code::FAST, name);
 }
 
 
 Handle<Code> NamedStoreHandlerCompiler::CompileStoreInterceptor(
     Handle<Name> name) {
   __ Push(receiver(), this->name(), value());
 
   // Do tail-call to the runtime system.
-  __ TailCallRuntime(Runtime::kStorePropertyWithInterceptor, 3);
+  __ TailCallRuntime(Runtime::kStorePropertyWithInterceptor);
 
   // Return the generated code.
   return GetCode(kind(), Code::FAST, name);
 }
 
 
 Register NamedStoreHandlerCompiler::value() {
   return StoreDescriptor::ValueRegister();
 }
 
@@ skipping 31 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM