Ex parte KAHLE et al. - Page 6




              Appeal No. 1997-0562                                                                                      
              Application No. 08/255,130                                                                                


                     Appellants argue that Guenthner does not teach or suggest the nonsequential                        
              execution of scalar instructions.  (See brief at pages 8-9.)  We agree with appellants.                   
              While there is some inherent order required in Guenthner to maintain proper order in the                  
              results, the operation thereof is generally sequential in nature wherein the distributor                  
              dispatches the instructions in sequence to the various processing units which process                     
              these instructions in the order which they are received.  We  find no need in Guenthner for               
              maintaining a separate completion buffer for maintaining indications of completion of                     
              nonsequential instructions.  The examiner maintains that various units in Guenthner teach                 
              the claimed “maintaining an indication of completion of execution of each of said                         
              dispatched scalar instructions in a separate completion buffer; and controlling the                       
              transferring of results of execution” limitations based upon the fact the stored results would            
              provide the needed indication of completion.  (See answer at pages 4 and 7.)  While we                    
              generally agree that the fact that the results are present in the results stack would be an               
              indication of the completion of a respective instruction, in our view, this does not fairly               
              suggest to skilled artisans the use of the claimed separate completion buffer to facilitate               
              transfer of results “to selected general purpose registers in                                             








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