Revert of Merge cellspace into old pointer space

src/mips64/code-stubs-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"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 1441 matching lines @@
     DCHECK(HasArgsInRegisters());
     // Patch the (relocated) inlined map check.
 
     // The offset was stored in a4 safepoint slot.
     // (See LCodeGen::DoDeferredLInstanceOfKnownGlobal).
     __ LoadFromSafepointRegisterSlot(scratch, a4);
     __ Dsubu(inline_site, ra, scratch);
     // Get the map location in scratch and patch it.
     __ GetRelocatedValue(inline_site, scratch, v1);  // v1 used as scratch.
     __ sd(map, FieldMemOperand(scratch, Cell::kValueOffset));
-
-    __ mov(t0, map);
-    // Scratch points at the cell payload. Calculate the start of the object.
-    __ Dsubu(scratch, scratch, Operand(Cell::kValueOffset - 1));
-    __ RecordWriteField(scratch, Cell::kValueOffset, t0, function,
-                        kRAHasNotBeenSaved, kDontSaveFPRegs,
-                        OMIT_REMEMBERED_SET, OMIT_SMI_CHECK);
   }
 
   // Register mapping: a3 is object map and a4 is function prototype.
   // Get prototype of object into a2.
   __ ld(scratch, FieldMemOperand(map, Map::kPrototypeOffset));
 
   // We don't need map any more. Use it as a scratch register.
   Register scratch2 = map;
   map = no_reg;
 
@@ skipping 4076 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64