Get rid of AllocationFlags::TAG_OBJECT

src/mips64/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/mips64/codegen-mips64.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/codegen.h"
 #include "src/macro-assembler.h"
@@ skipping 714 matching lines @@
 
   __ push(ra);
   __ ld(length, FieldMemOperand(elements, FixedArray::kLengthOffset));
   // elements: source FixedArray
   // length: number of elements (smi-tagged)
 
   // Allocate new FixedDoubleArray.
   __ SmiScale(scratch, length, kDoubleSizeLog2);
   __ Daddu(scratch, scratch, FixedDoubleArray::kHeaderSize);
   __ Allocate(scratch, array, t3, scratch2, &gc_required, DOUBLE_ALIGNMENT);
+  __ Dsubu(array, array, kHeapObjectTag);
   // array: destination FixedDoubleArray, not tagged as heap object
 
   // Set destination FixedDoubleArray's length and map.
   __ LoadRoot(scratch2, Heap::kFixedDoubleArrayMapRootIndex);
   __ sd(length, MemOperand(array, FixedDoubleArray::kLengthOffset));
   // Update receiver's map.
   __ sd(scratch2, MemOperand(array, HeapObject::kMapOffset));
 
   __ sd(target_map, FieldMemOperand(receiver, HeapObject::kMapOffset));
   __ RecordWriteField(receiver,
@@ skipping 130 matching lines @@
 
   // Allocate new FixedArray.
   // Re-use value and target_map registers, as they have been saved on the
   // stack.
   Register array_size = value;
   Register allocate_scratch = target_map;
   __ SmiScale(array_size, length, kPointerSizeLog2);
   __ Daddu(array_size, array_size, FixedDoubleArray::kHeaderSize);
   __ Allocate(array_size, array, allocate_scratch, scratch, &gc_required,
               NO_ALLOCATION_FLAGS);
+  __ Dsubu(array, array, kHeapObjectTag);
   // array: destination FixedArray, not tagged as heap object
   // Set destination FixedDoubleArray's length and map.
   __ LoadRoot(scratch, Heap::kFixedArrayMapRootIndex);
   __ sd(length, MemOperand(array, FixedDoubleArray::kLengthOffset));
   __ sd(scratch, MemOperand(array, HeapObject::kMapOffset));
 
   // Prepare for conversion loop.
   Register src_elements = elements;
   Register dst_elements = target_map;
   Register dst_end = length;
@@ skipping 361 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64