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

src/ppc/macro-assembler-ppc.h

Index: src/ppc/macro-assembler-ppc.h
diff --git a/src/ppc/macro-assembler-ppc.h b/src/ppc/macro-assembler-ppc.h
index b99a724e718eedf98b6d403465cdc6a7709d1f53..b4498f26df0fbe43f7b651abda1a31081d6c7228 100644
--- a/src/ppc/macro-assembler-ppc.h
+++ b/src/ppc/macro-assembler-ppc.h
@@ -203,13 +203,13 @@ class MacroAssembler : public Assembler {
   // Check if object is in new space.  Jumps if the object is not in new space.
   // The register scratch can be object itself, but scratch will be clobbered.
   void JumpIfNotInNewSpace(Register object, Register scratch, Label* branch) {
-    InNewSpace(object, scratch, ne, branch);
+    InNewSpace(object, scratch, eq, branch);
   }
 
   // Check if object is in new space.  Jumps if the object is in new space.
   // The register scratch can be object itself, but it will be clobbered.
   void JumpIfInNewSpace(Register object, Register scratch, Label* branch) {
-    InNewSpace(object, scratch, eq, branch);
+    InNewSpace(object, scratch, ne, branch);
   }
 
   // Check if an object has a given incremental marking color.