Review Board 2.0.15


O3: Don't test misprediction on non-speculative load instructions until executed.

Review Request #349 - Created Dec. 6, 2010 and discarded

Information
Ali Saidi
gem5
Reviewers
Default
ali, gblack, nate, stever 
O3: Don't test misprediction on non-speculative load instructions until executed.

   

  


 


 

  

  









  
 


  

 
















 



 

  


 


  



   

   
Gabe Black

   
Posted  (Dec. 8, 2010, 4:05 p.m.)


  


  


  

   



  

   

   
    
    
   


  




   







    

     
     

      

       
        

         
          src/cpu/o3/iew_impl.hh
          

           (Diff revision 1)

          
         
        

       
       
        
 


        
 


       
      

     

    

    


     
Wouldn't just checking !inst->isExecuted be sufficient? If it hasn't executed yet I don't think it shouldn't be checked for a mispredict no matter what else is going on.




  

   

   
    
    

   
  1. 
    
    
     
    
      
     
    
     
    Sure. I was fixing a point issue, but I'd be happy for this to just check for !inst->isExecuted().
    
    
    
   
    2.