Custom call IC for Math.floor.

src/stub-cache.h

Index: src/stub-cache.h
diff --git a/src/stub-cache.h b/src/stub-cache.h
index 388bb52ca689865f2715be15bfa1c98c6328022b..d8925a426bdf6bcfdba99585163fa05bf1ba17a3 100644
--- a/src/stub-cache.h
+++ b/src/stub-cache.h
@@ -612,29 +612,25 @@ class KeyedStoreStubCompiler: public StubCompiler {
 // Installation of custom call generators for the selected builtins is
 // handled by the bootstrapper.
 //
-// Each entry has a name of a global function (lowercased), a flag
-// controlling whether the generator is set on the function itself or
-// on its instance prototype, a name of a builtin function on the
-// function or its instance prototype (the one the generator is set
-// for), and a name of a generator itself (used to build ids and
-// generator function names).
-#define CUSTOM_CALL_IC_GENERATORS(V)                          \
-  V(array, INSTANCE_PROTOTYPE, push, ArrayPush)               \
-  V(array, INSTANCE_PROTOTYPE, pop, ArrayPop)                 \
-  V(string, INSTANCE_PROTOTYPE, charCodeAt, StringCharCodeAt) \
-  V(string, INSTANCE_PROTOTYPE, charAt, StringCharAt)         \
-  V(string, FUNCTION, fromCharCode, StringFromCharCode)
+// Each entry has a name of a global object property holding an object
+// optionally followed by ".prototype" (this controls whether the
+// generator is set on the object itself or, in case it's a function,
+// on the its instance prototype), a name of a builtin function on the
+// object (the one the generator is set for), and a name of the
+// generator (used to build ids and generator function names).
+#define CUSTOM_CALL_IC_GENERATORS(V)                \
+  V(Array.prototype, push, ArrayPush)               \
+  V(Array.prototype, pop, ArrayPop)                 \
+  V(String.prototype, charCodeAt, StringCharCodeAt) \
+  V(String.prototype, charAt, StringCharAt)         \
+  V(String, fromCharCode, StringFromCharCode)       \
+  V(Math, floor, MathFloor)
 
 
 class CallStubCompiler: public StubCompiler {
  public:
-  enum CustomGeneratorOwner {
-    FUNCTION,
-    INSTANCE_PROTOTYPE
-  };
-
   enum {
-#define DECLARE_CALL_GENERATOR_ID(ignored1, ignore2, ignored3, name) \
+#define DECLARE_CALL_GENERATOR_ID(ignored1, ignore2, name) \
     k##name##CallGenerator,
     CUSTOM_CALL_IC_GENERATORS(DECLARE_CALL_GENERATOR_ID)
 #undef DECLARE_CALL_GENERATOR_ID
@@ -673,11 +669,11 @@ class CallStubCompiler: public StubCompiler {
                             JSFunction* function,
                             String* name);
 
-#define DECLARE_CALL_GENERATOR(ignored1, ignored2, ignored3, name) \
-  Object* Compile##name##Call(Object* object,                      \
-                              JSObject* holder,                    \
-                              JSGlobalPropertyCell* cell,          \
-                              JSFunction* function,                \
+#define DECLARE_CALL_GENERATOR(ignored1, ignored2,  name) \
+  Object* Compile##name##Call(Object* object,             \
+                              JSObject* holder,           \
+                              JSGlobalPropertyCell* cell, \
+                              JSFunction* function,       \
                               String* fname);
   CUSTOM_CALL_IC_GENERATORS(DECLARE_CALL_GENERATOR)
 #undef DECLARE_CALL_GENERATOR