Version 3.2.6

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 135 matching lines @@
 
     // Scale the index by multiplying by the entry size.
     ASSERT(StringDictionary::kEntrySize == 3);
     __ lea(index, Operand(index, index, times_2, 0));  // index *= 3.
 
     Register entity_name = r1;
     // Having undefined at this place means the name is not contained.
     ASSERT_EQ(kSmiTagSize, 1);
     __ movq(entity_name, Operand(properties, index, times_pointer_size,
                                  kElementsStartOffset - kHeapObjectTag));
-    __ Cmp(entity_name, FACTORY->undefined_value());
+    __ Cmp(entity_name, masm->isolate()->factory()->undefined_value());
     // __ jmp(miss_label);
     if (i != kProbes - 1) {
       __ j(equal, &done);
 
       // Stop if found the property.
       __ Cmp(entity_name, Handle<String>(name));
       __ j(equal, miss_label);
 
       // Check if the entry name is not a symbol.
       __ movq(entity_name, FieldOperand(entity_name, HeapObject::kMapOffset));
@@ skipping 206 matching lines @@
 }
 
 
 static void PushInterceptorArguments(MacroAssembler* masm,
                                      Register receiver,
                                      Register holder,
                                      Register name,
                                      JSObject* holder_obj) {
   __ push(name);
   InterceptorInfo* interceptor = holder_obj->GetNamedInterceptor();
-  ASSERT(!HEAP->InNewSpace(interceptor));
+  ASSERT(!masm->isolate()->heap()->InNewSpace(interceptor));
   __ Move(kScratchRegister, Handle<Object>(interceptor));
   __ push(kScratchRegister);
   __ push(receiver);
   __ push(holder);
   __ push(FieldOperand(kScratchRegister, InterceptorInfo::kDataOffset));
 }
 
 
 static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm,
                                                    Register receiver,
@@ skipping 71 matching lines @@
   // -----------------------------------
   // Get the function and setup the context.
   JSFunction* function = optimization.constant_function();
   __ Move(rdi, Handle<JSFunction>(function));
   __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
 
   // Pass the additional arguments.
   __ movq(Operand(rsp, 2 * kPointerSize), rdi);
   Object* call_data = optimization.api_call_info()->data();
   Handle<CallHandlerInfo> api_call_info_handle(optimization.api_call_info());
-  if (HEAP->InNewSpace(call_data)) {
+  if (masm->isolate()->heap()->InNewSpace(call_data)) {
     __ Move(rcx, api_call_info_handle);
     __ movq(rbx, FieldOperand(rcx, CallHandlerInfo::kDataOffset));
     __ movq(Operand(rsp, 3 * kPointerSize), rbx);
   } else {
     __ Move(Operand(rsp, 3 * kPointerSize), Handle<Object>(call_data));
   }
 
   // Prepare arguments.
   __ lea(rbx, Operand(rsp, 3 * kPointerSize));
 
@@ skipping 74 matching lines @@
     } else {
       CompileRegular(masm,
                      object,
                      receiver,
                      scratch1,
                      scratch2,
                      scratch3,
                      name,
                      holder,
                      miss);
-      return HEAP->undefined_value();  // Success.
+      return masm->isolate()->heap()->undefined_value();  // Success.
     }
   }
 
  private:
   MaybeObject* CompileCacheable(MacroAssembler* masm,
                                 JSObject* object,
                                 Register receiver,
                                 Register scratch1,
                                 Register scratch2,
                                 Register scratch3,
@@ skipping 79 matching lines @@
       FreeSpaceForFastApiCall(masm, scratch1);
       __ jmp(miss_label);
     }
 
     // Invoke a regular function.
     __ bind(&regular_invoke);
     if (can_do_fast_api_call) {
       FreeSpaceForFastApiCall(masm, scratch1);
     }
 
-    return HEAP->undefined_value();  // Success.
+    return masm->isolate()->heap()->undefined_value();  // Success.
   }
 
   void CompileRegular(MacroAssembler* masm,
                       JSObject* object,
                       Register receiver,
                       Register scratch1,
                       Register scratch2,
                       Register scratch3,
                       String* name,
                       JSObject* interceptor_holder,
@@ skipping 159 matching lines @@
     Register scratch,
     Label* miss) {
   Object* probe;
   { MaybeObject* maybe_probe = global->EnsurePropertyCell(name);
     if (!maybe_probe->ToObject(&probe)) return maybe_probe;
   }
   JSGlobalPropertyCell* cell = JSGlobalPropertyCell::cast(probe);
   ASSERT(cell->value()->IsTheHole());
   __ Move(scratch, Handle<Object>(cell));
   __ Cmp(FieldOperand(scratch, JSGlobalPropertyCell::kValueOffset),
-         FACTORY->the_hole_value());
+         masm->isolate()->factory()->the_hole_value());
   __ j(not_equal, miss);
   return cell;
 }
 
 
 #undef __
 #define __ ACCESS_MASM((masm()))
 
 
 Register StubCompiler::CheckPrototypes(JSObject* object,
@@ skipping 28 matching lines @@
 
     // Only global objects and objects that do not require access
     // checks are allowed in stubs.
     ASSERT(current->IsJSGlobalProxy() || !current->IsAccessCheckNeeded());
 
     JSObject* prototype = JSObject::cast(current->GetPrototype());
     if (!current->HasFastProperties() &&
         !current->IsJSGlobalObject() &&
         !current->IsJSGlobalProxy()) {
       if (!name->IsSymbol()) {
-        MaybeObject* lookup_result = HEAP->LookupSymbol(name);
+        MaybeObject* lookup_result = heap()->LookupSymbol(name);
         if (lookup_result->IsFailure()) {
           set_failure(Failure::cast(lookup_result));
           return reg;
         } else {
           name = String::cast(lookup_result->ToObjectUnchecked());
         }
       }
       ASSERT(current->property_dictionary()->FindEntry(name) ==
              StringDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(),
                                        miss,
                                        reg,
                                        name,
                                        scratch1,
                                        scratch2);
       __ movq(scratch1, FieldOperand(reg, HeapObject::kMapOffset));
       reg = holder_reg;  // from now the object is in holder_reg
       __ movq(reg, FieldOperand(scratch1, Map::kPrototypeOffset));
-    } else if (HEAP->InNewSpace(prototype)) {
+    } else if (heap()->InNewSpace(prototype)) {
       // Get the map of the current object.
       __ movq(scratch1, FieldOperand(reg, HeapObject::kMapOffset));
       __ Cmp(scratch1, Handle<Map>(current->map()));
       // Branch on the result of the map check.
       __ j(not_equal, miss);
       // Check access rights to the global object.  This has to happen
       // after the map check so that we know that the object is
       // actually a global object.
       if (current->IsJSGlobalProxy()) {
         __ CheckAccessGlobalProxy(reg, scratch1, miss);
@@ skipping 113 matching lines @@
                       scratch2, scratch3, name, miss);
 
   Handle<AccessorInfo> callback_handle(callback);
 
   // Insert additional parameters into the stack frame above return address.
   ASSERT(!scratch2.is(reg));
   __ pop(scratch2);  // Get return address to place it below.
 
   __ push(receiver);  // receiver
   __ push(reg);  // holder
-  if (HEAP->InNewSpace(callback_handle->data())) {
+  if (heap()->InNewSpace(callback_handle->data())) {
     __ Move(scratch1, callback_handle);
     __ push(FieldOperand(scratch1, AccessorInfo::kDataOffset));  // data
   } else {
     __ Push(Handle<Object>(callback_handle->data()));
   }
   __ push(name_reg);  // name
   // Save a pointer to where we pushed the arguments pointer.
   // This will be passed as the const AccessorInfo& to the C++ callback.
 
 #ifdef _WIN64
@@ skipping 171 matching lines @@
       __ push(receiver);
       __ push(holder_reg);
       __ Move(holder_reg, Handle<AccessorInfo>(callback));
       __ push(FieldOperand(holder_reg, AccessorInfo::kDataOffset));
       __ push(holder_reg);
       __ push(name_reg);
       __ push(scratch2);  // restore return address
 
       ExternalReference ref =
           ExternalReference(IC_Utility(IC::kLoadCallbackProperty),
-                            masm()->isolate());
+                            isolate());
       __ TailCallExternalReference(ref, 5, 1);
     }
   } else {  // !compile_followup_inline
     // Call the runtime system to load the interceptor.
     // Check that the maps haven't changed.
     Register holder_reg = CheckPrototypes(object, receiver, interceptor_holder,
                                           scratch1, scratch2, scratch3,
                                           name, miss);
     __ pop(scratch2);  // save old return address
     PushInterceptorArguments(masm(), receiver, holder_reg,
                              name_reg, interceptor_holder);
     __ push(scratch2);  // restore old return address
 
     ExternalReference ref = ExternalReference(
-        IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), masm()->isolate());
+        IC_Utility(IC::kLoadPropertyWithInterceptorForLoad), isolate());
     __ TailCallExternalReference(ref, 5, 1);
   }
 }
 
 
 void CallStubCompiler::GenerateNameCheck(String* name, Label* miss) {
   if (kind_ == Code::KEYED_CALL_IC) {
     __ Cmp(rcx, Handle<String>(name));
     __ j(not_equal, miss);
   }
@@ skipping 25 matching lines @@
 
 
 void CallStubCompiler::GenerateLoadFunctionFromCell(JSGlobalPropertyCell* cell,
                                                     JSFunction* function,
                                                     Label* miss) {
   // Get the value from the cell.
   __ Move(rdi, Handle<JSGlobalPropertyCell>(cell));
   __ movq(rdi, FieldOperand(rdi, JSGlobalPropertyCell::kValueOffset));
 
   // Check that the cell contains the same function.
-  if (HEAP->InNewSpace(function)) {
+  if (heap()->InNewSpace(function)) {
     // We can't embed a pointer to a function in new space so we have
     // to verify that the shared function info is unchanged. This has
     // the nice side effect that multiple closures based on the same
     // function can all use this call IC. Before we load through the
     // function, we have to verify that it still is a function.
     __ JumpIfSmi(rdi, miss);
     __ CmpObjectType(rdi, JS_FUNCTION_TYPE, rax);
     __ j(not_equal, miss);
 
     // Check the shared function info. Make sure it hasn't changed.
     __ Move(rax, Handle<SharedFunctionInfo>(function->shared()));
     __ cmpq(FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset), rax);
     __ j(not_equal, miss);
   } else {
     __ Cmp(rdi, Handle<JSFunction>(function));
     __ j(not_equal, miss);
   }
 }
 
 
 MaybeObject* CallStubCompiler::GenerateMissBranch() {
-  MaybeObject* maybe_obj = masm()->isolate()->stub_cache()->ComputeCallMiss(
+  MaybeObject* maybe_obj = isolate()->stub_cache()->ComputeCallMiss(
       arguments().immediate(), kind_);
   Object* obj;
   if (!maybe_obj->ToObject(&obj)) return maybe_obj;
   __ Jump(Handle<Code>(Code::cast(obj)), RelocInfo::CODE_TARGET);
   return obj;
 }
 
 
 MaybeObject* CallStubCompiler::CompileCallField(JSObject* object,
                                                 JSObject* holder,
@@ skipping 57 matching lines @@
                                                     String* name) {
   // ----------- S t a t e -------------
   //  -- rcx                 : name
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   // If object is not an array, bail out to regular call.
-  if (!object->IsJSArray() || cell != NULL) return HEAP->undefined_value();
+  if (!object->IsJSArray() || cell != NULL) return heap()->undefined_value();
 
   Label miss;
 
   GenerateNameCheck(name, &miss);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ movq(rdx, Operand(rsp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
@@ skipping 13 matching lines @@
     __ movq(rax, FieldOperand(rdx, JSArray::kLengthOffset));
     __ ret((argc + 1) * kPointerSize);
   } else {
     Label call_builtin;
 
     // Get the elements array of the object.
     __ movq(rbx, FieldOperand(rdx, JSArray::kElementsOffset));
 
     // Check that the elements are in fast mode and writable.
     __ Cmp(FieldOperand(rbx, HeapObject::kMapOffset),
-           FACTORY->fixed_array_map());
+           factory()->fixed_array_map());
     __ j(not_equal, &call_builtin);
 
     if (argc == 1) {  // Otherwise fall through to call builtin.
       Label exit, with_write_barrier, attempt_to_grow_elements;
 
       // Get the array's length into rax and calculate new length.
       __ SmiToInteger32(rax, FieldOperand(rdx, JSArray::kLengthOffset));
       STATIC_ASSERT(FixedArray::kMaxLength < Smi::kMaxValue);
       __ addl(rax, Immediate(argc));
 
@@ skipping 28 matching lines @@
 
       __ RecordWriteHelper(rbx, rdx, rcx);
 
       __ ret((argc + 1) * kPointerSize);
 
       __ bind(&attempt_to_grow_elements);
       if (!FLAG_inline_new) {
         __ jmp(&call_builtin);
       }
 
-      Isolate* isolate = masm()->isolate();
       ExternalReference new_space_allocation_top =
-          ExternalReference::new_space_allocation_top_address(isolate);
+          ExternalReference::new_space_allocation_top_address(isolate());
       ExternalReference new_space_allocation_limit =
-          ExternalReference::new_space_allocation_limit_address(isolate);
+          ExternalReference::new_space_allocation_limit_address(isolate());
 
       const int kAllocationDelta = 4;
       // Load top.
       __ Load(rcx, new_space_allocation_top);
 
       // Check if it's the end of elements.
       __ lea(rdx, FieldOperand(rbx,
                                rax, times_pointer_size,
                                FixedArray::kHeaderSize - argc * kPointerSize));
       __ cmpq(rdx, rcx);
@@ skipping 26 matching lines @@
       // Make new length a smi before returning it.
       __ Integer32ToSmi(rax, rax);
       __ movq(FieldOperand(rdx, JSArray::kLengthOffset), rax);
 
       // Elements are in new space, so write barrier is not required.
       __ ret((argc + 1) * kPointerSize);
     }
 
     __ bind(&call_builtin);
     __ TailCallExternalReference(ExternalReference(Builtins::c_ArrayPush,
-                                                   masm()->isolate()),
+                                                   isolate()),
                                  argc + 1,
                                  1);
   }
 
   __ bind(&miss);
   MaybeObject* maybe_result = GenerateMissBranch();
   if (maybe_result->IsFailure()) return maybe_result;
 
   // Return the generated code.
   return GetCode(function);
 }
 
 
 MaybeObject* CallStubCompiler::CompileArrayPopCall(Object* object,
                                                    JSObject* holder,
                                                    JSGlobalPropertyCell* cell,
                                                    JSFunction* function,
                                                    String* name) {
   // ----------- S t a t e -------------
   //  -- rcx                 : name
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   // If object is not an array, bail out to regular call.
-  if (!object->IsJSArray() || cell != NULL) return HEAP->undefined_value();
+  if (!object->IsJSArray() || cell != NULL) return heap()->undefined_value();
 
   Label miss, return_undefined, call_builtin;
 
   GenerateNameCheck(name, &miss);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ movq(rdx, Operand(rsp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
@@ skipping 35 matching lines @@
                        FixedArray::kHeaderSize),
           r9);
   __ ret((argc + 1) * kPointerSize);
 
   __ bind(&return_undefined);
   __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
   __ ret((argc + 1) * kPointerSize);
 
   __ bind(&call_builtin);
   __ TailCallExternalReference(
-      ExternalReference(Builtins::c_ArrayPop, masm()->isolate()),
+      ExternalReference(Builtins::c_ArrayPop, isolate()),
       argc + 1,
       1);
 
   __ bind(&miss);
   MaybeObject* maybe_result = GenerateMissBranch();
   if (maybe_result->IsFailure()) return maybe_result;
 
   // Return the generated code.
   return GetCode(function);
 }
 
 
 MaybeObject* CallStubCompiler::CompileStringCharCodeAtCall(
     Object* object,
     JSObject* holder,
     JSGlobalPropertyCell* cell,
     JSFunction* function,
     String* name) {
   // ----------- S t a t e -------------
   //  -- rcx                 : function name
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   // If object is not a string, bail out to regular call.
-  if (!object->IsString() || cell != NULL) return HEAP->undefined_value();
+  if (!object->IsString() || cell != NULL) return heap()->undefined_value();
 
   const int argc = arguments().immediate();
 
   Label miss;
   Label name_miss;
   Label index_out_of_range;
   Label* index_out_of_range_label = &index_out_of_range;
 
   if (kind_ == Code::CALL_IC && extra_ic_state_ == DEFAULT_STRING_STUB) {
     index_out_of_range_label = &miss;
@@ skipping 61 matching lines @@
     String* name) {
   // ----------- S t a t e -------------
   //  -- rcx                 : function name
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   // If object is not a string, bail out to regular call.
-  if (!object->IsString() || cell != NULL) return HEAP->undefined_value();
+  if (!object->IsString() || cell != NULL) return heap()->undefined_value();
 
   const int argc = arguments().immediate();
 
   Label miss;
   Label name_miss;
   Label index_out_of_range;
   Label* index_out_of_range_label = &index_out_of_range;
 
   if (kind_ == Code::CALL_IC && extra_ic_state_ == DEFAULT_STRING_STUB) {
     index_out_of_range_label = &miss;
@@ skipping 66 matching lines @@
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   const int argc = arguments().immediate();
 
   // If the object is not a JSObject or we got an unexpected number of
   // arguments, bail out to the regular call.
-  if (!object->IsJSObject() || argc != 1) return HEAP->undefined_value();
+  if (!object->IsJSObject() || argc != 1) return heap()->undefined_value();
 
   Label miss;
   GenerateNameCheck(name, &miss);
 
   if (cell == NULL) {
     __ movq(rdx, Operand(rsp, 2 * kPointerSize));
 
     __ JumpIfSmi(rdx, &miss);
 
     CheckPrototypes(JSObject::cast(object), rdx, holder, rbx, rax, rdi, name,
@@ skipping 36 matching lines @@
   return (cell == NULL) ? GetCode(function) : GetCode(NORMAL, name);
 }
 
 
 MaybeObject* CallStubCompiler::CompileMathFloorCall(Object* object,
                                                     JSObject* holder,
                                                     JSGlobalPropertyCell* cell,
                                                     JSFunction* function,
                                                     String* name) {
   // TODO(872): implement this.
-  return HEAP->undefined_value();
+  return heap()->undefined_value();
 }
 
 
 MaybeObject* CallStubCompiler::CompileMathAbsCall(Object* object,
                                                   JSObject* holder,
                                                   JSGlobalPropertyCell* cell,
                                                   JSFunction* function,
                                                   String* name) {
   // ----------- S t a t e -------------
   //  -- rcx                 : function name
   //  -- rsp[0]              : return address
   //  -- rsp[(argc - n) * 8] : arg[n] (zero-based)
   //  -- ...
   //  -- rsp[(argc + 1) * 8] : receiver
   // -----------------------------------
 
   const int argc = arguments().immediate();
 
   // If the object is not a JSObject or we got an unexpected number of
   // arguments, bail out to the regular call.
-  if (!object->IsJSObject() || argc != 1) return HEAP->undefined_value();
+  if (!object->IsJSObject() || argc != 1) return heap()->undefined_value();
 
   Label miss;
   GenerateNameCheck(name, &miss);
 
   if (cell == NULL) {
     __ movq(rdx, Operand(rsp, 2 * kPointerSize));
 
     __ JumpIfSmi(rdx, &miss);
 
     CheckPrototypes(JSObject::cast(object), rdx, holder, rbx, rax, rdi, name,
@@ skipping 28 matching lines @@
   // This only happens for the most negative smi.
   Label slow;
   __ j(negative, &slow);
 
   // Smi case done.
   __ Integer32ToSmi(rax, rax);
   __ ret(2 * kPointerSize);
 
   // Check if the argument is a heap number and load its value.
   __ bind(&not_smi);
-  __ CheckMap(rax, FACTORY->heap_number_map(), &slow, true);
+  __ CheckMap(rax, factory()->heap_number_map(), &slow, true);
   __ movq(rbx, FieldOperand(rax, HeapNumber::kValueOffset));
 
   // Check the sign of the argument. If the argument is positive,
   // just return it.
   Label negative_sign;
   const int sign_mask_shift =
       (HeapNumber::kExponentOffset - HeapNumber::kValueOffset) * kBitsPerByte;
   __ movq(rdi, static_cast<int64_t>(HeapNumber::kSignMask) << sign_mask_shift,
           RelocInfo::NONE);
   __ testq(rbx, rdi);
@@ skipping 26 matching lines @@
 MaybeObject* CallStubCompiler::CompileFastApiCall(
     const CallOptimization& optimization,
     Object* object,
     JSObject* holder,
     JSGlobalPropertyCell* cell,
     JSFunction* function,
     String* name) {
   ASSERT(optimization.is_simple_api_call());
   // Bail out if object is a global object as we don't want to
   // repatch it to global receiver.
-  if (object->IsGlobalObject()) return HEAP->undefined_value();
-  if (cell != NULL) return HEAP->undefined_value();
+  if (object->IsGlobalObject()) return heap()->undefined_value();
+  if (cell != NULL) return heap()->undefined_value();
   int depth = optimization.GetPrototypeDepthOfExpectedType(
             JSObject::cast(object), holder);
-  if (depth == kInvalidProtoDepth) return HEAP->undefined_value();
+  if (depth == kInvalidProtoDepth) return heap()->undefined_value();
 
   Label miss, miss_before_stack_reserved;
 
   GenerateNameCheck(name, &miss_before_stack_reserved);
 
   // Get the receiver from the stack.
   const int argc = arguments().immediate();
   __ movq(rdx, Operand(rsp, (argc + 1) * kPointerSize));
 
   // Check that the receiver isn't a smi.
   __ JumpIfSmi(rdx, &miss_before_stack_reserved);
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->call_const(), 1);
   __ IncrementCounter(counters->call_const_fast_api(), 1);
 
   // Allocate space for v8::Arguments implicit values. Must be initialized
   // before calling any runtime function.
   __ subq(rsp, Immediate(kFastApiCallArguments * kPointerSize));
 
   // Check that the maps haven't changed and find a Holder as a side effect.
   CheckPrototypes(JSObject::cast(object), rdx, holder,
                   rbx, rax, rdi, name, depth, &miss);
@@ skipping 51 matching lines @@
 
   // Check that the receiver isn't a smi.
   if (check != NUMBER_CHECK) {
     __ JumpIfSmi(rdx, &miss);
   }
 
   // Make sure that it's okay not to patch the on stack receiver
   // unless we're doing a receiver map check.
   ASSERT(!object->IsGlobalObject() || check == RECEIVER_MAP_CHECK);
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   SharedFunctionInfo* function_info = function->shared();
   switch (check) {
     case RECEIVER_MAP_CHECK:
       __ IncrementCounter(counters->call_const(), 1);
 
       // Check that the maps haven't changed.
       CheckPrototypes(JSObject::cast(object), rdx, holder,
                       rbx, rax, rdi, name, &miss);
 
       // Patch the receiver on the stack with the global proxy if
@@ skipping 185 matching lines @@
   // Patch the receiver on the stack with the global proxy.
   if (object->IsGlobalObject()) {
     __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset));
     __ movq(Operand(rsp, (argc + 1) * kPointerSize), rdx);
   }
 
   // Setup the context (function already in rdi).
   __ movq(rsi, FieldOperand(rdi, JSFunction::kContextOffset));
 
   // Jump to the cached code (tail call).
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->call_global_inline(), 1);
   ASSERT(function->is_compiled());
   ParameterCount expected(function->shared()->formal_parameter_count());
   if (V8::UseCrankshaft()) {
     // TODO(kasperl): For now, we always call indirectly through the
     // code field in the function to allow recompilation to take effect
     // without changing any of the call sites.
     __ movq(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset));
     __ InvokeCode(rdx, expected, arguments(), JUMP_FUNCTION);
   } else {
@@ skipping 27 matching lines @@
   // Generate store field code.  Preserves receiver and name on jump to miss.
   GenerateStoreField(masm(),
                      object,
                      index,
                      transition,
                      rdx, rcx, rbx,
                      &miss);
 
   // Handle store cache miss.
   __ bind(&miss);
-  Handle<Code> ic = masm()->isolate()->builtins()->StoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->StoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
 }
 
 
 MaybeObject* StoreStubCompiler::CompileStoreCallback(JSObject* object,
                                                      AccessorInfo* callback,
                                                      String* name) {
@@ skipping 24 matching lines @@
 
   __ pop(rbx);  // remove the return address
   __ push(rdx);  // receiver
   __ Push(Handle<AccessorInfo>(callback));  // callback info
   __ push(rcx);  // name
   __ push(rax);  // value
   __ push(rbx);  // restore return address
 
   // Do tail-call to the runtime system.
   ExternalReference store_callback_property =
-      ExternalReference(IC_Utility(IC::kStoreCallbackProperty),
-                        masm()->isolate());
+      ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate());
   __ TailCallExternalReference(store_callback_property, 4, 1);
 
   // Handle store cache miss.
   __ bind(&miss);
-  Handle<Code> ic = masm()->isolate()->builtins()->StoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->StoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* StoreStubCompiler::CompileStoreInterceptor(JSObject* receiver,
                                                         String* name) {
   // ----------- S t a t e -------------
@@ skipping 23 matching lines @@
 
   __ pop(rbx);  // remove the return address
   __ push(rdx);  // receiver
   __ push(rcx);  // name
   __ push(rax);  // value
   __ Push(Smi::FromInt(strict_mode_));
   __ push(rbx);  // restore return address
 
   // Do tail-call to the runtime system.
   ExternalReference store_ic_property =
-      ExternalReference(IC_Utility(IC::kStoreInterceptorProperty),
-                        masm()->isolate());
+      ExternalReference(IC_Utility(IC::kStoreInterceptorProperty), isolate());
   __ TailCallExternalReference(store_ic_property, 4, 1);
 
   // Handle store cache miss.
   __ bind(&miss);
-  Handle<Code> ic = masm()->isolate()->builtins()->StoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->StoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(INTERCEPTOR, name);
 }
 
 
 MaybeObject* StoreStubCompiler::CompileStoreGlobal(GlobalObject* object,
                                                    JSGlobalPropertyCell* cell,
                                                    String* name) {
@@ skipping 16 matching lines @@
   // global object. We bail out to the runtime system to do that.
   __ Move(rbx, Handle<JSGlobalPropertyCell>(cell));
   __ CompareRoot(FieldOperand(rbx, JSGlobalPropertyCell::kValueOffset),
                  Heap::kTheHoleValueRootIndex);
   __ j(equal, &miss);
 
   // Store the value in the cell.
   __ movq(FieldOperand(rbx, JSGlobalPropertyCell::kValueOffset), rax);
 
   // Return the value (register rax).
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->named_store_global_inline(), 1);
   __ ret(0);
 
   // Handle store cache miss.
   __ bind(&miss);
   __ IncrementCounter(counters->named_store_global_inline_miss(), 1);
-  Handle<Code> ic = masm()->isolate()->builtins()->StoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->StoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(NORMAL, name);
 }
 
 
 MaybeObject* KeyedStoreStubCompiler::CompileStoreField(JSObject* object,
                                                        int index,
                                                        Map* transition,
                                                        String* name) {
   // ----------- S t a t e -------------
   //  -- rax     : value
   //  -- rcx     : key
   //  -- rdx     : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_store_field(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rcx, Handle<String>(name));
   __ j(not_equal, &miss);
 
   // Generate store field code.  Preserves receiver and name on jump to miss.
   GenerateStoreField(masm(),
                      object,
                      index,
                      transition,
                      rdx, rcx, rbx,
                      &miss);
 
   // Handle store cache miss.
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_store_field(), 1);
-  Handle<Code> ic = masm()->isolate()->builtins()->KeyedStoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss();
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(transition == NULL ? FIELD : MAP_TRANSITION, name);
 }
 
 
 MaybeObject* KeyedStoreStubCompiler::CompileStoreSpecialized(
     JSObject* receiver) {
   // ----------- S t a t e -------------
@@ skipping 11 matching lines @@
   __ Cmp(FieldOperand(rdx, HeapObject::kMapOffset),
          Handle<Map>(receiver->map()));
   __ j(not_equal, &miss);
 
   // Check that the key is a smi.
   __ JumpIfNotSmi(rcx, &miss);
 
   // Get the elements array and make sure it is a fast element array, not 'cow'.
   __ movq(rdi, FieldOperand(rdx, JSObject::kElementsOffset));
   __ Cmp(FieldOperand(rdi, HeapObject::kMapOffset),
-         FACTORY->fixed_array_map());
+         factory()->fixed_array_map());
   __ j(not_equal, &miss);
 
   // Check that the key is within bounds.
   if (receiver->IsJSArray()) {
     __ SmiCompare(rcx, FieldOperand(rdx, JSArray::kLengthOffset));
     __ j(above_equal, &miss);
   } else {
     __ SmiCompare(rcx, FieldOperand(rdi, FixedArray::kLengthOffset));
     __ j(above_equal, &miss);
   }
 
   // Do the store and update the write barrier. Make sure to preserve
   // the value in register eax.
   __ movq(rdx, rax);
   __ SmiToInteger32(rcx, rcx);
   __ movq(FieldOperand(rdi, rcx, times_pointer_size, FixedArray::kHeaderSize),
           rax);
   __ RecordWrite(rdi, 0, rdx, rcx);
 
   // Done.
   __ ret(0);
 
   // Handle store cache miss.
   __ bind(&miss);
-  Handle<Code> ic = masm()->isolate()->builtins()->KeyedStoreIC_Miss();
+  Handle<Code> ic = isolate()->builtins()->KeyedStoreIC_Miss();
   __ jmp(ic, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode(NORMAL, NULL);
 }
 
 
 MaybeObject* LoadStubCompiler::CompileLoadNonexistent(String* name,
                                                       JSObject* object,
                                                       JSObject* last) {
@@ skipping 28 matching lines @@
 
   // Return undefined if maps of the full prototype chain are still the
   // same and no global property with this name contains a value.
   __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
   __ ret(0);
 
   __ bind(&miss);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
-  return GetCode(NONEXISTENT, HEAP->empty_string());
+  return GetCode(NONEXISTENT, heap()->empty_string());
 }
 
 
 MaybeObject* LoadStubCompiler::CompileLoadField(JSObject* object,
                                                 JSObject* holder,
                                                 int index,
                                                 String* name) {
   // ----------- S t a t e -------------
   //  -- rax    : receiver
   //  -- rcx    : name
@@ skipping 118 matching lines @@
 
   // Check for deleted property if property can actually be deleted.
   if (!is_dont_delete) {
     __ CompareRoot(rbx, Heap::kTheHoleValueRootIndex);
     __ j(equal, &miss);
   } else if (FLAG_debug_code) {
     __ CompareRoot(rbx, Heap::kTheHoleValueRootIndex);
     __ Check(not_equal, "DontDelete cells can't contain the hole");
   }
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->named_load_global_stub(), 1);
   __ movq(rax, rbx);
   __ ret(0);
 
   __ bind(&miss);
   __ IncrementCounter(counters->named_load_global_stub_miss(), 1);
   GenerateLoadMiss(masm(), Code::LOAD_IC);
 
   // Return the generated code.
   return GetCode(NORMAL, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadField(String* name,
                                                      JSObject* receiver,
                                                      JSObject* holder,
                                                      int index) {
   // ----------- S t a t e -------------
   //  -- rax     : key
   //  -- rdx     : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_field(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   GenerateLoadField(receiver, holder, rdx, rbx, rcx, rdi, index, name, &miss);
 
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_field(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(FIELD, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadCallback(
     String* name,
     JSObject* receiver,
     JSObject* holder,
     AccessorInfo* callback) {
   // ----------- S t a t e -------------
   //  -- rax     : key
   //  -- rdx     : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_callback(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   MaybeObject* result = GenerateLoadCallback(receiver, holder, rdx, rax, rbx,
                                              rcx, rdi, callback, name, &miss);
   if (result->IsFailure()) {
     miss.Unuse();
@@ skipping 14 matching lines @@
                                                         JSObject* receiver,
                                                         JSObject* holder,
                                                         Object* value) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_constant_function(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   GenerateLoadConstant(receiver, holder, rdx, rbx, rcx, rdi,
                        value, name, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_constant_function(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CONSTANT_FUNCTION, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadInterceptor(JSObject* receiver,
                                                            JSObject* holder,
                                                            String* name) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_interceptor(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   LookupResult lookup;
   LookupPostInterceptor(holder, name, &lookup);
   GenerateLoadInterceptor(receiver,
                           holder,
@@ skipping 15 matching lines @@
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadArrayLength(String* name) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_array_length(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   GenerateLoadArrayLength(masm(), rdx, rcx, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_array_length(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadStringLength(String* name) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0] : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_string_length(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   GenerateLoadStringLength(masm(), rdx, rcx, rbx, &miss, true);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_string_length(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
 
   // Return the generated code.
   return GetCode(CALLBACKS, name);
 }
 
 
 MaybeObject* KeyedLoadStubCompiler::CompileLoadFunctionPrototype(String* name) {
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label miss;
 
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_function_prototype(), 1);
 
   // Check that the name has not changed.
   __ Cmp(rax, Handle<String>(name));
   __ j(not_equal, &miss);
 
   GenerateLoadFunctionPrototype(masm(), rdx, rcx, rbx, &miss);
   __ bind(&miss);
   __ DecrementCounter(counters->keyed_load_function_prototype(), 1);
   GenerateLoadMiss(masm(), Code::KEYED_LOAD_IC);
@@ skipping 54 matching lines @@
 MaybeObject* ConstructStubCompiler::CompileConstructStub(JSFunction* function) {
   // ----------- S t a t e -------------
   //  -- rax : argc
   //  -- rdi : constructor
   //  -- rsp[0] : return address
   //  -- rsp[4] : last argument
   // -----------------------------------
   Label generic_stub_call;
 
   // Use r8 for holding undefined which is used in several places below.
-  __ Move(r8, FACTORY->undefined_value());
+  __ Move(r8, factory()->undefined_value());
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Check to see whether there are any break points in the function code. If
   // there are jump to the generic constructor stub which calls the actual
   // code for the function thereby hitting the break points.
   __ movq(rbx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset));
   __ movq(rbx, FieldOperand(rbx, SharedFunctionInfo::kDebugInfoOffset));
   __ cmpq(rbx, r8);
   __ j(not_equal, &generic_stub_call);
 #endif
@@ skipping 23 matching lines @@
                         rdx,
                         rcx,
                         no_reg,
                         &generic_stub_call,
                         NO_ALLOCATION_FLAGS);
 
   // Allocated the JSObject, now initialize the fields and add the heap tag.
   // rbx: initial map
   // rdx: JSObject (untagged)
   __ movq(Operand(rdx, JSObject::kMapOffset), rbx);
-  __ Move(rbx, FACTORY->empty_fixed_array());
+  __ Move(rbx, factory()->empty_fixed_array());
   __ movq(Operand(rdx, JSObject::kPropertiesOffset), rbx);
   __ movq(Operand(rdx, JSObject::kElementsOffset), rbx);
 
   // rax: argc
   // rdx: JSObject (untagged)
   // Load the address of the first in-object property into r9.
   __ lea(r9, Operand(rdx, JSObject::kHeaderSize));
   // Calculate the location of the first argument. The stack contains only the
   // return address on top of the argc arguments.
   __ lea(rcx, Operand(rsp, rax, times_pointer_size, 0));
@@ skipping 38 matching lines @@
   __ movq(rbx, rax);
   __ movq(rax, rdx);
   __ or_(rax, Immediate(kHeapObjectTag));
 
   // rax: JSObject
   // rbx: argc
   // Remove caller arguments and receiver from the stack and return.
   __ pop(rcx);
   __ lea(rsp, Operand(rsp, rbx, times_pointer_size, 1 * kPointerSize));
   __ push(rcx);
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->constructed_objects(), 1);
   __ IncrementCounter(counters->constructed_objects_stub(), 1);
   __ ret(0);
 
   // Jump to the generic stub in case the specialized code cannot handle the
   // construction.
   __ bind(&generic_stub_call);
   Code* code =
-      masm()->isolate()->builtins()->builtin(Builtins::kJSConstructStubGeneric);
+      isolate()->builtins()->builtin(Builtins::kJSConstructStubGeneric);
   Handle<Code> generic_construct_stub(code);
   __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode();
 }
 
 
 MaybeObject* ExternalArrayStubCompiler::CompileKeyedLoadStub(
     JSObject* receiver, ExternalArrayType array_type, Code::Flags flags) {
@@ skipping 94 matching lines @@
     __ movsd(FieldOperand(rcx, HeapNumber::kValueOffset), xmm0);
     __ movq(rax, rcx);
     __ ret(0);
   } else {
     __ Integer32ToSmi(rax, rcx);
     __ ret(0);
   }
 
   // Slow case: Jump to runtime.
   __ bind(&slow);
-  Counters* counters = masm()->isolate()->counters();
+  Counters* counters = isolate()->counters();
   __ IncrementCounter(counters->keyed_load_external_array_slow(), 1);
 
   // ----------- S t a t e -------------
   //  -- rax    : key
   //  -- rdx    : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
 
   __ pop(rbx);
   __ push(rdx);  // receiver
@@ skipping 171 matching lines @@
   __ TailCallRuntime(Runtime::kSetProperty, 5, 1);
 
   return GetCode(flags);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64