Fix hash field access for 64-bit big-endian architectures.

src/code-stub-assembler.cc

 // Copyright 2016 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/code-stub-assembler.h"
 #include "src/code-factory.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 591 matching lines @@
   Node* result = AllocateHeapNumber();
   StoreHeapNumberValue(result, value);
   return result;
 }
 
 Node* CodeStubAssembler::AllocateSeqOneByteString(int length) {
   Node* result = Allocate(SeqOneByteString::SizeFor(length));
   StoreMapNoWriteBarrier(result, LoadRoot(Heap::kOneByteStringMapRootIndex));
   StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kLengthOffset,
                                  SmiConstant(Smi::FromInt(length)));
-  StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kHashFieldOffset,
+  StoreObjectFieldNoWriteBarrier(result, SeqOneByteString::kHashFieldSlot,
                                  IntPtrConstant(String::kEmptyHashField));
   return result;
 }
 
 Node* CodeStubAssembler::AllocateSeqTwoByteString(int length) {
   Node* result = Allocate(SeqTwoByteString::SizeFor(length));
   StoreMapNoWriteBarrier(result, LoadRoot(Heap::kStringMapRootIndex));
   StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kLengthOffset,
                                  SmiConstant(Smi::FromInt(length)));
-  StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kHashFieldOffset,
+  StoreObjectFieldNoWriteBarrier(result, SeqTwoByteString::kHashFieldSlot,
                                  IntPtrConstant(String::kEmptyHashField));
   return result;
 }
 
 Node* CodeStubAssembler::TruncateTaggedToFloat64(Node* context, Node* value) {
   // We might need to loop once due to ToNumber conversion.
   Variable var_value(this, MachineRepresentation::kTagged),
       var_result(this, MachineRepresentation::kFloat64);
   Label loop(this, &var_value), done_loop(this, &var_result);
   var_value.Bind(value);
@@ skipping 512 matching lines @@
 }
 
 Node* CodeStubAssembler::BitFieldDecode(Node* word32, uint32_t shift,
                                         uint32_t mask) {
   return Word32Shr(Word32And(word32, Int32Constant(mask)),
                    Int32Constant(shift));
 }
 
 }  // namespace internal
 }  // namespace v8