[heap] Move to page lookups for SemiSpace, NewSpace, and Heap containment methods

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index db5f204cf8cea0cb1ac2adfd62c611d5add13877..c1c1b0474fa025dc0d3f5040b98f063f024f5833 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -218,7 +218,7 @@ class MacroAssembler: public Assembler {
                            Register scratch,
                            Label* branch,
                            Label::Distance distance = Label::kFar) {
-    InNewSpace(object, scratch, not_equal, branch, distance);
+    InNewSpace(object, scratch, zero, branch, distance);
   }
 
   // Check if object is in new space.  Jumps if the object is in new space.
@@ -227,7 +227,7 @@ class MacroAssembler: public Assembler {
                         Register scratch,
                         Label* branch,
                         Label::Distance distance = Label::kFar) {
-    InNewSpace(object, scratch, equal, branch, distance);
+    InNewSpace(object, scratch, not_zero, branch, distance);
   }
 
   // Check if an object has the black incremental marking color.  Also uses rcx!