Make X64 implementation update Store ic stubs. Remove comment that talks abo...

src/x64/macro-assembler-x64.cc

 // Copyright 2009 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 133 matching lines @@
 
   Runtime::FunctionId function_id =
       static_cast<Runtime::FunctionId>(f->stub_id);
   RuntimeStub stub(function_id, num_arguments);
   CallStub(&stub);
 }
 
 
 void MacroAssembler::TailCallRuntime(ExternalReference const& ext,
                                      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.
   movq(rax, Immediate(num_arguments));
   JumpToBuiltin(ext);
 }
 
 
 void MacroAssembler::JumpToBuiltin(const ExternalReference& ext) {
@@ skipping 862 matching lines @@
                      Context::SECURITY_TOKEN_INDEX * kPointerSize;
   movq(scratch, FieldOperand(scratch, token_offset));
   cmpq(scratch, FieldOperand(kScratchRegister, token_offset));
   j(not_equal, miss);
 
   bind(&same_contexts);
 }
 
 
 } }  // namespace v8::internal