IA32: Avoid going into stubs or runtime code for bitops even if the...

src/ia32/codegen-ia32.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 512 matching lines @@
   // are both smis.  Cannot be in MacroAssembler because it takes
   // advantage of TypeInfo to skip unneeded checks.
   // Allocates a temporary register, possibly spilling from the frame,
   // if it needs to check both left and right.
   void JumpIfBothSmiUsingTypeInfo(Result* left,
                                   Result* right,
                                   JumpTarget* both_smi);
 
   // Emits code sequence that jumps to deferred code if the inputs
   // are not both smis.  Cannot be in MacroAssembler because it takes
-  // advantage of TypeInfo to skip unneeded checks.
+  // a deferred code object.
   void JumpIfNotBothSmiUsingTypeInfo(Register left,
                                      Register right,
                                      Register scratch,
                                      TypeInfo left_info,
                                      TypeInfo right_info,
                                      DeferredCode* deferred);
 
+  // Emits code sequence that jumps to the label if the inputs
+  // are not both smis.
+  void JumpIfNotBothSmiUsingTypeInfo(Register left,
+                                     Register right,
+                                     Register scratch,
+                                     TypeInfo left_info,
+                                     TypeInfo right_info,
+                                     Label* on_non_smi);
+
   // If possible, combine two constant smi values using op to produce
   // a smi result, and push it on the virtual frame, all at compile time.
   // Returns true if it succeeds.  Otherwise it has no effect.
   bool FoldConstantSmis(Token::Value op, int left, int right);
 
   // Emit code to perform a binary operation on a constant
   // smi and a likely smi.  Consumes the Result operand.
   Result ConstantSmiBinaryOperation(BinaryOperation* expr,
                                     Result* operand,
                                     Handle<Object> constant_operand,
@@ skipping 537 matching lines @@
   void Print() {
     PrintF("NumberToStringStub\n");
   }
 #endif
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODEGEN_IA32_H_