MIPS: Separate Cell and PropertyCell spaces

src/mips/lithium-codegen-mips.cc

 // Copyright 2012 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 2421 matching lines @@
   // instanceof stub.
   Label cache_miss;
   Register map = temp;
   __ lw(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<JSGlobalPropertyCell> cell =
-      factory()->NewJSGlobalPropertyCell(factory()->the_hole_value());
+  Handle<Cell> cell = factory()->NewCell(factory()->the_hole_value());
   __ li(at, Operand(Handle<Object>(cell)));
   __ lw(at, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset));
   __ Branch(&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.
   __ li(result, Operand(factory()->the_hole_value()), CONSTANT_SIZE);
   __ Branch(&done);
 
   // The inlined call site cache did not match. Check null and string before
@@ skipping 135 matching lines @@
 
   if (no_frame_start != -1) {
     info_->AddNoFrameRange(no_frame_start, masm_->pc_offset());
   }
 }
 
 
 void LCodeGen::DoLoadGlobalCell(LLoadGlobalCell* instr) {
   Register result = ToRegister(instr->result());
   __ li(at, Operand(Handle<Object>(instr->hydrogen()->cell())));
-  __ lw(result, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset));
+  __ lw(result, FieldMemOperand(at, Cell::kValueOffset));
   if (instr->hydrogen()->RequiresHoleCheck()) {
     __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
     DeoptimizeIf(eq, instr->environment(), result, Operand(at));
   }
 }
 
 
 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->global_object()).is(a0));
   ASSERT(ToRegister(instr->result()).is(v0));
@@ skipping 13 matching lines @@
   // Load the cell.
   __ li(cell, Operand(instr->hydrogen()->cell()));
 
   // 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.
   if (instr->hydrogen()->RequiresHoleCheck()) {
     // We use a temp to check the payload.
     Register payload = ToRegister(instr->temp());
-    __ lw(payload, FieldMemOperand(cell, JSGlobalPropertyCell::kValueOffset));
+    __ lw(payload, FieldMemOperand(cell, Cell::kValueOffset));
     __ LoadRoot(at, Heap::kTheHoleValueRootIndex);
     DeoptimizeIf(eq, instr->environment(), payload, Operand(at));
   }
 
   // Store the value.
-  __ sw(value, FieldMemOperand(cell, JSGlobalPropertyCell::kValueOffset));
+  __ sw(value, FieldMemOperand(cell, Cell::kValueOffset));
   // Cells are always rescanned, so no write barrier here.
 }
 
 
 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) {
   ASSERT(ToRegister(instr->global_object()).is(a1));
   ASSERT(ToRegister(instr->value()).is(a0));
 
   __ li(a2, Operand(instr->name()));
   Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode)
@@ skipping 2344 matching lines @@
   }
 }
 
 
 void LCodeGen::DoCheckFunction(LCheckFunction* instr) {
   Register reg = ToRegister(instr->value());
   Handle<JSFunction> target = instr->hydrogen()->target();
   AllowDeferredHandleDereference smi_check;
   if (isolate()->heap()->InNewSpace(*target)) {
     Register reg = ToRegister(instr->value());
-    Handle<JSGlobalPropertyCell> cell =
-        isolate()->factory()->NewJSGlobalPropertyCell(target);
+    Handle<Cell> cell = isolate()->factory()->NewJSGlobalPropertyCell(target);
     __ li(at, Operand(Handle<Object>(cell)));
-    __ lw(at, FieldMemOperand(at, JSGlobalPropertyCell::kValueOffset));
+    __ lw(at, FieldMemOperand(at, Cell::kValueOffset));
     DeoptimizeIf(ne, instr->environment(), reg,
                  Operand(at));
   } else {
     DeoptimizeIf(ne, instr->environment(), reg,
                  Operand(target));
   }
 }
 
 
 void LCodeGen::DoCheckMapCommon(Register map_reg,
@@ skipping 648 matching lines @@
   __ Subu(scratch, result, scratch);
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(&done);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal