Prototype CL for faster DOM accessors.

src/runtime/runtime.h

Index: src/runtime/runtime.h
diff --git a/src/runtime/runtime.h b/src/runtime/runtime.h
index b22a36f1cbee986c57bbc73542f0d4ee7a79ad51..81f4afc6b895b0d056bba48e270ead211145746d 100644
--- a/src/runtime/runtime.h
+++ b/src/runtime/runtime.h
@@ -1027,6 +1027,17 @@ namespace internal {
   F(LoadLookupSlot, 2, 2)                 \
   F(LoadLookupSlotNoReferenceError, 2, 2)
 
+#ifdef V8_JS_ACCESSORS
+#define FOR_EACH_INTRINSIC_DIRECT_PTR_ACCESS(F) \
+  F(PtrGetFromInternalField, 2, 1)              \
+  F(PtrLoadOffset, 2, 1)                        \
+  F(PtrLoadOffsetInt, 2, 1)                     \
+  F(PtrLoadOffsetObj, 1, 1)                     \
+  F(PtrIsNull, 1, 1)
+#else
+#define FOR_EACH_INTRINSIC_DIRECT_PTR_ACCESS(F)
+#endif  // V8_JS_ACCESSORS
+
 
 // Most intrinsics are implemented in the runtime/ directory, but ICs are
 // implemented in ic.cc for now.
@@ -1087,7 +1098,8 @@ namespace internal {
   FOR_EACH_INTRINSIC_SYMBOL(F)              \
   FOR_EACH_INTRINSIC_TEST(F)                \
   FOR_EACH_INTRINSIC_TYPEDARRAY(F)          \
-  FOR_EACH_INTRINSIC_URI(F)
+  FOR_EACH_INTRINSIC_URI(F)                 \
+  FOR_EACH_INTRINSIC_DIRECT_PTR_ACCESS(F)
 
 // FOR_EACH_INTRINSIC defines the list of all intrinsics, coming in 2 flavors,
 // either returning an object or a pair.