[heap] MemoryChunk cleanup

src/arm64/macro-assembler-arm64.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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1553 matching lines @@
   Ldr(scratch1, MemOperand(receiver, kMementoMapOffset));
   Cmp(scratch1, Operand(isolate()->factory()->allocation_memento_map()));
 }
 
 
 void MacroAssembler::InNewSpace(Register object,
                                 Condition cond,
                                 Label* branch) {
   DCHECK(cond == eq || cond == ne);
   UseScratchRegisterScope temps(this);
-  const int mask =
-      (1 << MemoryChunk::IN_FROM_SPACE) | (1 << MemoryChunk::IN_TO_SPACE);
-  CheckPageFlag(object, temps.AcquireSameSizeAs(object), mask, cond, branch);
+  CheckPageFlag(object, temps.AcquireSameSizeAs(object),
+                MemoryChunk::kIsInNewSpaceMask, cond, branch);
 }
 
 
 void MacroAssembler::AssertSmi(Register object, BailoutReason reason) {
   if (emit_debug_code()) {
     STATIC_ASSERT(kSmiTag == 0);
     Tst(object, kSmiTagMask);
     Check(eq, reason);
   }
 }
@@ skipping 3566 matching lines @@
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64