Win64 - Allow returning two values from a runtime function.

src/ia32/macro-assembler-ia32.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 871 matching lines @@
   }
 
   Runtime::FunctionId function_id =
       static_cast<Runtime::FunctionId>(f->stub_id);
   RuntimeStub stub(function_id, num_arguments);
   CallStub(&stub);
 }
 
 
 void MacroAssembler::TailCallRuntime(const ExternalReference& ext,
-                                     int num_arguments) {
+                                     int num_arguments,
+                                     int result_size) {
   // 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(eax, Immediate(num_arguments));
   JumpToBuiltin(ext);
 }
 
 
 void MacroAssembler::JumpToBuiltin(const ExternalReference& ext) {
   // Set the entry point and jump to the C entry runtime stub.
   mov(ebx, Immediate(ext));
-  CEntryStub ces;
+  CEntryStub ces(1);
   jmp(ces.GetCode(), RelocInfo::CODE_TARGET);
 }
 
 
 void MacroAssembler::InvokePrologue(const ParameterCount& expected,
                                     const ParameterCount& actual,
                                     Handle<Code> code_constant,
                                     const Operand& code_operand,
                                     Label* done,
                                     InvokeFlag flag) {
@@ skipping 259 matching lines @@
   // Indicate that code has changed.
   CPU::FlushICache(address_, size_);
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal