Add inlining of binary smi operations in the full codegens on IA32...

src/token.h

Index: src/token.h
===================================================================
--- src/token.h	(revision 5348)
+++ src/token.h	(working copy)
@@ -248,6 +248,10 @@
     return op == INC || op == DEC;
   }
 
+  static bool IsShiftOp(Value op) {
+    return (SHL <= op) && (op <= SHR);
+  }
+
   // Returns a string corresponding to the JS token string
   // (.e., "<" for the token LT) or NULL if the token doesn't
   // have a (unique) string (e.g. an IDENTIFIER).