Remove PropertyCell space

src/x64/lithium-codegen-x64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
@@ skipping 2830 matching lines @@
     __ shlp(reg, Immediate(kPointerSizeLog2));
     __ addp(rsp, reg);
     __ jmp(return_addr_reg);
   }
   if (no_frame_start != -1) {
     info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
   }
 }
 
 
-void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
-  Register result = ToRegister(instr->result());
-  __ LoadGlobalCell(result, instr->hydrogen()->cell().handle());
-  if (instr->hydrogen()->RequiresHoleCheck()) {
-    __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
-    DeoptimizeIf(equal, instr, Deoptimizer::kHole);
-  }
-}
-
-
 template <class T>
 void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
   DCHECK(FLAG_vector_ics);
   Register vector_register = ToRegister(instr->temp_vector());
   Register slot_register = VectorLoadICDescriptor::SlotRegister();
   DCHECK(vector_register.is(VectorLoadICDescriptor::VectorRegister()));
   DCHECK(slot_register.is(rax));
 
   AllowDeferredHandleDereference vector_structure_check;
   Handle<TypeFeedbackVector> vector = instr->hydrogen()->feedback_vector();
@@ skipping 15 matching lines @@
   if (FLAG_vector_ics) {
     EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr);
   }
   ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL;
   Handle<Code> ic = CodeFactory::LoadICInOptimizedCode(isolate(), mode,
                                                        PREMONOMORPHIC).code();
   CallCode(ic, RelocInfo::CODE_TARGET, instr);
 }
 
 
-void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) {
-  Register value = ToRegister(instr->value());
-  Handle<Cell> cell_handle = instr->hydrogen()->cell().handle();
-
-  // If the cell we are storing to contains the hole it could have
-  // been deleted from the property dictionary. In that case, we need
-  // to update the property details in the property dictionary to mark
-  // it as no longer deleted. We deoptimize in that case.
-  if (instr->hydrogen()->RequiresHoleCheck()) {
-    // We have a temp because CompareRoot might clobber kScratchRegister.
-    Register cell = ToRegister(instr->temp());
-    DCHECK(!value.is(cell));
-    __ Move(cell, cell_handle, RelocInfo::CELL);
-    __ CompareRoot(Operand(cell, 0), Heap::kTheHoleValueRootIndex);
-    DeoptimizeIf(equal, instr, Deoptimizer::kHole);
-    // Store the value.
-    __ movp(Operand(cell, 0), value);
-  } else {
-    // Store the value.
-    __ Move(kScratchRegister, cell_handle, RelocInfo::CELL);
-    __ movp(Operand(kScratchRegister, 0), value);
-  }
-  // Cells are always rescanned, so no write barrier here.
-}
-
-
 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) {
   Register context = ToRegister(instr->context());
   Register result = ToRegister(instr->result());
   __ movp(result, ContextOperand(context, instr->slot_index()));
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ CompareRoot(result, Heap::kTheHoleValueRootIndex);
     if (instr->hydrogen()->DeoptimizesOnHole()) {
       DeoptimizeIf(equal, instr, Deoptimizer::kHole);
     } else {
       Label is_not_hole;
@@ skipping 3007 matching lines @@
   CallRuntime(Runtime::kPushBlockContext, 2, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64