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

src/ast.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 187 matching lines @@
 
   // Mark the expression as being compiled as an expression
   // statement. This is used to transform postfix increments to
   // (faster) prefix increments.
   virtual void MarkAsStatement() { /* do nothing */ }
 
   // True iff the result can be safely overwritten (to avoid allocation).
   // False for operations that can return one of their operands.
   virtual bool ResultOverwriteAllowed() { return false; }
 
+  // True iff the expression is a literal represented as a smi.
+  virtual bool IsSmiLiteral() { return false; }
+
   // Static type information for this expression.
   StaticType* type() { return &type_; }
 
   // True if the expression is a loop condition.
   bool is_loop_condition() const {
     return LoopConditionField::decode(bitfields_);
   }
   void set_is_loop_condition(bool flag) {
     bitfields_ = (bitfields_ & ~LoopConditionField::mask()) |
         LoopConditionField::encode(flag);
@@ skipping 550 matching lines @@
   virtual EmptyStatement* AsEmptyStatement() { return this; }
 };
 
 
 class Literal: public Expression {
  public:
   explicit Literal(Handle<Object> handle) : handle_(handle) { }
 
   virtual void Accept(AstVisitor* v);
   virtual bool IsTrivial() { return true; }
+  virtual bool IsSmiLiteral() { return handle_->IsSmi(); }
 
   // Type testing & conversion.
   virtual Literal* AsLiteral() { return this; }
 
   // Check if this literal is identical to the other literal.
   bool IsIdenticalTo(const Literal* other) const {
     return handle_.is_identical_to(other->handle_);
   }
 
   virtual bool IsPropertyName() {
@@ skipping 1134 matching lines @@
   AST_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 
  private:
   bool stack_overflow_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_