Collect type feedback on result of Math.[round|ceil|floor]

src/type-feedback-vector.cc

 // Copyright 2014 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.
 
 #include "src/v8.h"
 
 #include "src/ic/ic.h"
 #include "src/ic/ic-state.h"
 #include "src/objects.h"
 #include "src/type-feedback-vector-inl.h"
@@ skipping 325 matching lines @@
 void CallICNexus::ConfigureMonomorphicArray() {
   Object* feedback = GetFeedback();
   if (!feedback->IsAllocationSite()) {
     Handle<AllocationSite> new_site =
         GetIsolate()->factory()->NewAllocationSite();
     SetFeedback(*new_site);
   }
 }
 
 
+void CallICNexus::ConfigureMonomorphicMathFunction(
+    Handle<JSFunction> function) {
+  Handle<WeakCell> new_cell = GetIsolate()->factory()->NewWeakCell(function);
+  SetFeedback(*new_cell);
+  SetFeedbackExtra(Smi::FromInt(0));
+}
+
+
 void CallICNexus::ConfigureUninitialized() {
   SetFeedback(*vector()->UninitializedSentinel(GetIsolate()),
               SKIP_WRITE_BARRIER);
 }
 
 
 void CallICNexus::ConfigureMonomorphic(Handle<JSFunction> function) {
   Handle<WeakCell> new_cell = GetIsolate()->factory()->NewWeakCell(function);
   SetFeedback(*new_cell);
 }
@@ skipping 198 matching lines @@
 
 Name* KeyedLoadICNexus::FindFirstName() const {
   Object* feedback = GetFeedback();
   if (feedback->IsString()) {
     return Name::cast(feedback);
   }
   return NULL;
 }
 }
 }  // namespace v8::internal