New page local store buffer.

src/x64/code-stubs-x64.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_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 3902 matching lines @@
   regs_.Save(masm);
 
   if (remembered_set_action() == EMIT_REMEMBERED_SET) {
     Label dont_need_remembered_set;
 
     __ movp(regs_.scratch0(), Operand(regs_.address(), 0));
     __ JumpIfNotInNewSpace(regs_.scratch0(),
                            regs_.scratch0(),
                            &dont_need_remembered_set);
 
-    __ CheckPageFlag(regs_.object(),
-                     regs_.scratch0(),
-                     1 << MemoryChunk::SCAN_ON_SCAVENGE,
-                     not_zero,
-                     &dont_need_remembered_set);
+    __ JumpIfInNewSpace(regs_.object(), regs_.scratch0(),
+                        &dont_need_remembered_set);
 
     // First notify the incremental marker if necessary, then update the
     // remembered set.
     CheckNeedsToInformIncrementalMarker(
         masm, kUpdateRememberedSetOnNoNeedToInformIncrementalMarker, mode);
     InformIncrementalMarker(masm);
     regs_.Restore(masm);
     __ RememberedSetHelper(object(), address(), value(), save_fp_regs_mode(),
                            MacroAssembler::kReturnAtEnd);
 
@@ skipping 1485 matching lines @@
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64