Remove uses of result size in TailCallRuntime and friends

src/x64/macro-assembler-x64.cc

 // Copyright 2012 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_X64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 645 matching lines @@
                                            int num_arguments) {
   Set(rax, num_arguments);
   LoadAddress(rbx, ext);
 
   CEntryStub stub(isolate(), 1);
   CallStub(&stub);
 }
 
 
 void MacroAssembler::TailCallExternalReference(const ExternalReference& ext,
-                                               int num_arguments,
-                                               int result_size) {
+                                               int num_arguments) {
   // ----------- S t a t e -------------
   //  -- rsp[0]                 : return address
   //  -- rsp[8]                 : argument num_arguments - 1
   //  ...
   //  -- rsp[8 * num_arguments] : argument 0 (receiver)
   // -----------------------------------
 
   // TODO(1236192): Most runtime routines don't need the number of
   // arguments passed in because it is constant. At some point we
   // should remove this need and make the runtime routine entry code
   // smarter.
   Set(rax, num_arguments);
-  JumpToExternalReference(ext, result_size);
+  JumpToExternalReference(ext);
 }
 
 
 void MacroAssembler::TailCallRuntime(Runtime::FunctionId fid,
-                                     int num_arguments,
-                                     int result_size) {
-  TailCallExternalReference(ExternalReference(fid, isolate()),
-                            num_arguments,
-                            result_size);
+                                     int num_arguments) {
+  TailCallExternalReference(ExternalReference(fid, isolate()), num_arguments);
 }
 
 
-void MacroAssembler::JumpToExternalReference(const ExternalReference& ext,
-                                             int result_size) {
+void MacroAssembler::JumpToExternalReference(const ExternalReference& ext) {
   // Set the entry point and jump to the C entry runtime stub.
   LoadAddress(rbx, ext);
-  CEntryStub ces(isolate(), result_size);
+  CEntryStub ces(isolate(), 1);
   jmp(ces.GetCode(), RelocInfo::CODE_TARGET);
 }
 
 
 void MacroAssembler::InvokeBuiltin(int native_context_index, InvokeFlag flag,
                                    const CallWrapper& call_wrapper) {
   // You can't call a builtin without a valid frame.
   DCHECK(flag == JUMP_FUNCTION || has_frame());
 
   // Fake a parameter count to avoid emitting code to do the check.
@@ skipping 4761 matching lines @@
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64