Allow new-space JSFunction objects as constant-function properties.

src/x64/stub-cache-x64.cc

 // Copyright 2011 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 403 matching lines @@
   //  -- rsp[16]             : api function
   //                           (first fast api call extra argument)
   //  -- rsp[24]             : api call data
   //  -- rsp[32]             : last argument
   //  -- ...
   //  -- rsp[(argc + 3) * 8] : first argument
   //  -- rsp[(argc + 4) * 8] : receiver
   // -----------------------------------
   // Get the function and setup the context.
   Handle<JSFunction> function = optimization.constant_function();
-  __ Move(rdi, function);
+  __ LoadHeapObject(rdi, function);
   __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
 
   // Pass the additional arguments.
   __ movq(Operand(rsp, 2 * kPointerSize), rdi);
   Handle<CallHandlerInfo> api_call_info = optimization.api_call_info();
   Handle<Object> call_data(api_call_info->data());
   if (masm->isolate()->heap()->InNewSpace(*call_data)) {
     __ Move(rcx, api_call_info);
     __ movq(rbx, FieldOperand(rcx, CallHandlerInfo::kDataOffset));
     __ movq(Operand(rsp, 3 * kPointerSize), rbx);
@@ skipping 573 matching lines @@
   __ CallApiFunctionAndReturn(getter_address, kStackSpace);
 }
 
 
 void StubCompiler::GenerateLoadConstant(Handle<JSObject> object,
                                         Handle<JSObject> holder,
                                         Register receiver,
                                         Register scratch1,
                                         Register scratch2,
                                         Register scratch3,
-                                        Handle<Object> value,
+                                        Handle<JSFunction> value,
                                         Handle<String> name,
                                         Label* miss) {
   // Check that the receiver isn't a smi.
   __ JumpIfSmi(receiver, miss);
 
   // Check that the maps haven't changed.
   CheckPrototypes(
       object, receiver, holder, scratch1, scratch2, scratch3, name, miss);
 
   // Return the constant value.
-  __ Move(rax, value);
+  __ LoadHeapObject(rax, value);
   __ ret(0);
 }
 
 
 void StubCompiler::GenerateLoadInterceptor(Handle<JSObject> object,
                                            Handle<JSObject> interceptor_holder,
                                            LookupResult* lookup,
                                            Register receiver,
                                            Register name_reg,
                                            Register scratch1,
@@ skipping 1531 matching lines @@
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 Handle<Code> LoadStubCompiler::CompileLoadConstant(Handle<JSObject> object,
                                                    Handle<JSObject> holder,
-                                                   Handle<Object> value,
+                                                   Handle<JSFunction> value,
                                                    Handle<String> name) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
   //  -- rsp[0] : return address
   // -----------------------------------
   Label miss;
 
   GenerateLoadConstant(object, holder, rax, rbx, rdx, rdi, value, name, &miss);
   __ bind(&miss);
@@ skipping 133 matching lines @@
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 Handle<Code> KeyedLoadStubCompiler::CompileLoadConstant(
     Handle<String> name,
     Handle<JSObject> receiver,
     Handle<JSObject> holder,
-    Handle<Object> value) {
+    Handle<JSFunction> value) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
   Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_constant_function(), 1);
 
@@ skipping 868 matching lines @@
   Handle<Code> ic_miss = masm->isolate()->builtins()->KeyedStoreIC_Miss();
   __ jmp(ic_miss, RelocInfo::CODE_TARGET);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64