MIPS: Disinherit PropertyCell from Cell.

src/mips64/lithium-codegen-mips64.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.
 
 #include "src/v8.h"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/cpu-profiler.h"
 #include "src/hydrogen-osr.h"
@@ skipping 2720 matching lines @@
   Label cache_miss;
   Register map = temp;
   __ ld(map, FieldMemOperand(object, HeapObject::kMapOffset));
 
   Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_);
   __ bind(deferred->map_check());  // Label for calculating code patching.
   // We use Factory::the_hole_value() on purpose instead of loading from the
   // root array to force relocation to be able to later patch with
   // the cached map.
   Handle<Cell> cell = factory()->NewCell(factory()->the_hole_value());
-  __ li(at, Operand(Handle<Object>(cell)));
-  __ ld(at, FieldMemOperand(at, PropertyCell::kValueOffset));
+  __ li(at, Operand(cell));
+  __ ld(at, FieldMemOperand(at, Cell::kValueOffset));
   __ BranchShort(&cache_miss, ne, map, Operand(at));
   // We use Factory::the_hole_value() on purpose instead of loading from the
   // root array to force relocation to be able to later patch
   // with true or false. The distance from map check has to be constant.
   __ li(result, Operand(factory()->the_hole_value()));
   __ Branch(&done);
 
   // The inlined call site cache did not match. Check null and string before
   // calling the deferred code.
   __ bind(&cache_miss);
@@ skipping 2525 matching lines @@
 }
 
 
 void LCodeGen::DoCheckValue(LCheckValue* instr) {
   Register reg = ToRegister(instr->value());
   Handle<HeapObject> object = instr->hydrogen()->object().handle();
   AllowDeferredHandleDereference smi_check;
   if (isolate()->heap()->InNewSpace(*object)) {
     Register reg = ToRegister(instr->value());
     Handle<Cell> cell = isolate()->factory()->NewCell(object);
-    __ li(at, Operand(Handle<Object>(cell)));
+    __ li(at, Operand(cell));
     __ ld(at, FieldMemOperand(at, Cell::kValueOffset));
     DeoptimizeIf(ne, instr, Deoptimizer::kValueMismatch, reg, Operand(at));
   } else {
     DeoptimizeIf(ne, instr, Deoptimizer::kValueMismatch, reg, Operand(object));
   }
 }
 
 
 void LCodeGen::DoDeferredInstanceMigration(LCheckMaps* instr, Register object) {
   {
@@ skipping 754 matching lines @@
   __ li(at, scope_info);
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal