Speed up Binops

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index a006c44dd54705d90ddf4a041be3e2126b652257..1d517c400dfa12ec870f1a8a3a8d7b75d749b305 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -364,6 +364,9 @@ class HType {
   static HType JSObject() { return HType(kJSObject); }
   static HType Uninitialized() { return HType(kUninitialized); }
 
+  Handle< ::v8::internal::Type> intersect(

[Jakob Kummerow, 2013/07/18 11:56:15]

Wouldn't it be easier to rename HType::Type to HType::InternalTypeEnum or
whatever so you don't need the namespace-qualified name here?

+      Handle< ::v8::internal::Type> type, Isolate* isolate);
+
   // Return the weakest (least precise) common type.
   HType Combine(HType other) {
     return HType(static_cast<Type>(type_ & other.type_));
@@ -407,6 +410,14 @@ class HType {
     return ((type_ & kString) == kString);
   }
 
+  bool IsNoString() const {
+    if (IsTaggedPrimitive() || IsSmi() || IsHeapNumber() ||
+        IsBoolean() || IsJSArray()) {
+      return true;
+    }
+    return false;
+  }
+
   bool IsBoolean() const {
     ASSERT(type_ != kUninitialized);
     return ((type_ & kBoolean) == kBoolean);