[runtime] TailCallRuntime and CallRuntime should use default argument counts

src/ppc/macro-assembler-ppc.h

 // 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.
 
 #ifndef V8_PPC_MACRO_ASSEMBLER_PPC_H_
 #define V8_PPC_MACRO_ASSEMBLER_PPC_H_
 
 #include "src/assembler.h"
 #include "src/bailout-reason.h"
 #include "src/frames.h"
@@ skipping 913 matching lines @@
   // Call a code stub.
   void CallStub(CodeStub* stub, TypeFeedbackId ast_id = TypeFeedbackId::None(),
                 Condition cond = al);
 
   // Call a code stub.
   void TailCallStub(CodeStub* stub, Condition cond = al);
 
   // Call a runtime routine.
   void CallRuntime(const Runtime::Function* f, int num_arguments,
                    SaveFPRegsMode save_doubles = kDontSaveFPRegs);
-  void CallRuntimeSaveDoubles(Runtime::FunctionId id) {
-    const Runtime::Function* function = Runtime::FunctionForId(id);
+  void CallRuntimeSaveDoubles(Runtime::FunctionId fid) {
+    const Runtime::Function* function = Runtime::FunctionForId(fid);
     CallRuntime(function, function->nargs, kSaveFPRegs);
   }
 
   // Convenience function: Same as above, but takes the fid instead.
-  void CallRuntime(Runtime::FunctionId id, int num_arguments,
+  void CallRuntime(Runtime::FunctionId fid,
                    SaveFPRegsMode save_doubles = kDontSaveFPRegs) {
-    CallRuntime(Runtime::FunctionForId(id), num_arguments, save_doubles);
+    const Runtime::Function* function = Runtime::FunctionForId(fid);
+    CallRuntime(function, function->nargs, save_doubles);
+  }
+
+  // Convenience function: Same as above, but takes the fid instead.
+  void CallRuntime(Runtime::FunctionId fid, int num_arguments,
+                   SaveFPRegsMode save_doubles = kDontSaveFPRegs) {
+    CallRuntime(Runtime::FunctionForId(fid), num_arguments, save_doubles);
   }
 
   // Convenience function: call an external reference.
   void CallExternalReference(const ExternalReference& ext, int num_arguments);
 
-  // Tail call of a runtime routine (jump).
-  // Like JumpToExternalReference, but also takes care of passing the number
-  // of parameters.
-  void TailCallExternalReference(const ExternalReference& ext,
-                                 int num_arguments);
-
   // Convenience function: tail call a runtime routine (jump).
-  void TailCallRuntime(Runtime::FunctionId fid, int num_arguments);
+  void TailCallRuntime(Runtime::FunctionId fid);
 
   int CalculateStackPassedWords(int num_reg_arguments,
                                 int num_double_arguments);
 
   // Before calling a C-function from generated code, align arguments on stack.
   // After aligning the frame, non-register arguments must be stored in
   // sp[0], sp[4], etc., not pushed. The argument count assumes all arguments
   // are word sized. If double arguments are used, this function assumes that
   // all double arguments are stored before core registers; otherwise the
   // correct alignment of the double values is not guaranteed.
@@ skipping 610 matching lines @@
 #define ACCESS_MASM(masm)    \
   masm->stop(__FILE_LINE__); \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PPC_MACRO_ASSEMBLER_PPC_H_