[heap] MemoryChunk cleanup

src/ia32/macro-assembler-ia32.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.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 155 matching lines @@
     Register reg = saved_regs[i];
     if (!reg.is(exclusion1) && !reg.is(exclusion2) && !reg.is(exclusion3)) {
       pop(reg);
     }
   }
 }
 
 void MacroAssembler::InNewSpace(Register object, Register scratch, Condition cc,
                                 Label* condition_met,
                                 Label::Distance distance) {
-  const int mask =
-      (1 << MemoryChunk::IN_FROM_SPACE) | (1 << MemoryChunk::IN_TO_SPACE);
-  CheckPageFlag(object, scratch, mask, cc, condition_met, distance);
+  CheckPageFlag(object, scratch, MemoryChunk::kIsInNewSpaceMask, cc,
+                condition_met, distance);
 }
 
 
 void MacroAssembler::RememberedSetHelper(
     Register object,  // Only used for debug checks.
     Register addr,
     Register scratch,
     SaveFPRegsMode save_fp,
     MacroAssembler::RememberedSetFinalAction and_then) {
   Label done;
@@ skipping 3269 matching lines @@
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32