From: plfriko@yahoo.de   
      
   Hi,   
      
   Some processors use a static branch prediction. The predicted outcome   
   of a jump depends on the instruction, i.e. a 16-bit conditional jump   
   instruction is predicted as taken while a 32-bit instruction with a   
   forward displacement is predicted as not taken.   
      
   If the outcome of a jump would be known in advance, one could use the   
   appropriate jump instructions to avoid misprediction, thus   
   accelerating the program execution. I assume that profiling data could   
   be used for that to figure out the more probable jump behavior.   
      
   This idea is probably not new, so I wonder if you know any   
   compilers/optimizers that apply this technique? Do you have own   
   experiences or know any papers/reports where any results are   
   presented?   
      
   Regards,   
   Tim   
      
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