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

src/x64/ic-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 165 matching lines @@
 void KeyedLoadIC::Generate(MacroAssembler* masm,
                            ExternalReference const& f) {
   // ----------- S t a t e -------------
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : name
   //  -- rsp[16] : receiver
   // -----------------------------------
 
   __ movq(rax, Operand(rsp, kPointerSize));
   __ movq(rcx, Operand(rsp, 2 * kPointerSize));
-
-  // Move the return address below the arguments.
   __ pop(rbx);
-  __ push(rcx);
-  __ push(rax);
-  __ push(rbx);
+  __ push(rcx);  // receiver
+  __ push(rax);  // name
+  __ push(rbx);  // return address
 
   // Perform tail call to the entry.
   __ TailCallRuntime(f, 2);
 }
 
 
 #ifdef DEBUG
 // For use in assert below.
 static int TenToThe(int exponent) {
   ASSERT(exponent <= 9);
@@ skipping 160 matching lines @@
 }
 
 void KeyedStoreIC::Generate(MacroAssembler* masm, ExternalReference const& f) {
   // ----------- S t a t e -------------
   //  -- rax     : value
   //  -- rsp[0]  : return address
   //  -- rsp[8]  : key
   //  -- rsp[16] : receiver
   // -----------------------------------
 
-  // Move the return address below the arguments.
   __ pop(rcx);
-  __ push(Operand(rsp, 1 * kPointerSize));
-  __ push(Operand(rsp, 1 * kPointerSize));
-  __ push(rax);
-  __ push(rcx);
+  __ push(Operand(rsp, 1 * kPointerSize));  // receiver
+  __ push(Operand(rsp, 1 * kPointerSize));  // key
+  __ push(rax);  // value
+  __ push(rcx);  // return address
 
   // Do tail-call to runtime routine.
   __ TailCallRuntime(f, 3);
 }
 
 void KeyedStoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  Generate(masm, ExternalReference(IC_Utility(kKeyedStoreIC_Miss)));
+  __ int3();
+  __ movq(rax, Immediate(0xdead1234));
 }
 
 
 void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rsp[0] : return address
   //  -- rsp[8] : key
   //  -- rsp[16] : receiver
   // -----------------------------------
@@ skipping 182 matching lines @@
 
 void LoadIC::Generate(MacroAssembler* masm, ExternalReference const& f) {
   // ----------- S t a t e -------------
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
 
   __ movq(rax, Operand(rsp, kPointerSize));
 
-  // Move the return address below the arguments.
   __ pop(rbx);
-  __ push(rax);
-  __ push(rcx);
-  __ push(rbx);
+  __ push(rax);  // receiver
+  __ push(rcx);  // name
+  __ push(rbx);  // return address
 
   // Perform tail call to the entry.
   __ TailCallRuntime(f, 2);
 }
 
 
 void LoadIC::GenerateArrayLength(MacroAssembler* masm) {
   Generate(masm, ExternalReference(IC_Utility(kLoadIC_Miss)));
 }
 
@@ skipping 45 matching lines @@
   return false;
 }
 
 void StoreIC::Generate(MacroAssembler* masm, ExternalReference const& f) {
   // ----------- S t a t e -------------
   //  -- rax    : value
   //  -- rcx    : name
   //  -- rsp[0] : return address
   //  -- rsp[8] : receiver
   // -----------------------------------
-  // Move the return address below the arguments.
   __ pop(rbx);
-  __ push(Operand(rsp, 0));
-  __ push(rcx);
-  __ push(rax);
-  __ push(rbx);
+  __ push(Operand(rsp, 0));  // receiver
+  __ push(rcx);  // name
+  __ push(rax);  // value
+  __ push(rbx);  // return address
 
   // Perform tail call to the entry.
   __ TailCallRuntime(f, 3);
 }
 
 void StoreIC::GenerateExtendStorage(MacroAssembler* masm) {
-  Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
+  // ----------- S t a t e -------------
+  //  -- rax    : value
+  //  -- rcx    : Map (target of map transition)
+  //  -- rsp[0] : return address
+  //  -- rsp[8] : receiver
+  // -----------------------------------
+
+  __ pop(rbx);
+  __ push(Operand(rsp, 0));  // receiver
+  __ push(rcx);  // transition map
+  __ push(rax);  // value
+  __ push(rbx);  // return address
+
+  // Perform tail call to the entry.
+  __ TailCallRuntime(
+      ExternalReference(IC_Utility(kSharedStoreIC_ExtendStorage)), 3);
 }
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal