[sim] Consistent support for C calls with up to 9 args

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/base/utils/random-number-generator.h"
 #include "src/bootstrapper.h"
@@ skipping 4768 matching lines @@
 
 
 void MacroAssembler::CallCFunction(ExternalReference function,
                                    int num_arguments) {
   LoadAddress(rax, function);
   CallCFunction(rax, num_arguments);
 }
 
 
 void MacroAssembler::CallCFunction(Register function, int num_arguments) {
+  DCHECK_LE(num_arguments, kMaxCParameters);
   DCHECK(has_frame());
   // Check stack alignment.
   if (emit_debug_code()) {
     CheckStackAlignment();
   }
 
   call(function);
   DCHECK(base::OS::ActivationFrameAlignment() != 0);
   DCHECK(num_arguments >= 0);
   int argument_slots_on_stack =
@@ skipping 239 matching lines @@
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64