Changeset 110 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src

Timestamp:

Feb 19, 2009, 5:31:47 PM (15 years ago)

Author:

rosiere

Message:

1) OOO_egine : add stat to depiste low perf source
2) Commit : add stat
3) LSU_Pointer : retire - always ack (else combinatory loop). insert - max nb_inst_memory
4) TopLevel? : add debug_idle_time to stop combinatory loop.
5) Issue_queue : add reexecute_queue, new implementation (routage after issue_queue)
6) Decod / Predictor : add "can_continue"

Location:

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src

Files:

• Update_Prediction_Table_allocation.cpp (modified) (1 diff)
• Update_Prediction_Table_deallocation.cpp (modified) (1 diff)
• Update_Prediction_Table_genMealy_decod.cpp (modified) (3 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src/Update_Prediction_Table_allocation.cpp

@@ -92 +92 @@
 //    ALLOC1_SIGNAL_OUT(out_DECOD_DEPTH               ,"depth"               ,Tdepth_t           ,_param->_size_depth);
       ALLOC1_SIGNAL_IN ( in_DECOD_IS_ACCURATE         ,"is_accurate"         ,Tcontrol_t         ,1);
+      ALLOC1_SIGNAL_OUT(out_DECOD_CAN_CONTINUE        ,"can_continue"        ,Tcontrol_t         ,1);
     }
 

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src/Update_Prediction_Table_deallocation.cpp

@@ -64 +64 @@
 //      delete [] out_DECOD_DEPTH                 ;
         delete []  in_DECOD_IS_ACCURATE           ;
+        delete [] out_DECOD_CAN_CONTINUE          ;
         
         // ~~~~~[ Interface : "branch_complete" ]~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src/Update_Prediction_Table_genMealy_decod.cpp

@@ -36 +36 @@
         event_state_t event_state = reg_EVENT_STATE [context];
         uint32_t      ptr_write   = reg_UPT_TOP     [context];
+        // can continue if next slot is empty
+        Tcontrol_t    can_continue= ((reg_UPDATE_PREDICTION_TABLE [context][(reg_UPT_TOP [context]+1)%_param->_size_upt_queue[context]]._state == UPDATE_PREDICTION_STATE_EMPTY) and 
+                                     (reg_EVENT_STATE [context] == EVENT_STATE_OK));
 
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * context     : %d",context    );
@@ -42 +45 @@
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * ptr_write   : %d",ptr_write  );
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * upt_state   : %s",toString(reg_UPDATE_PREDICTION_TABLE [context][ptr_write]._state).c_str());
+        log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * can_continue: %d",can_continue);
 
         // ack :
@@ -58 +62 @@
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * ack         : %d",internal_DECOD_ACK [i]);
 
-        PORT_WRITE(out_DECOD_ACK [i], internal_DECOD_ACK [i]);
+        PORT_WRITE(out_DECOD_ACK          [i], internal_DECOD_ACK [i]);
+        PORT_WRITE(out_DECOD_CAN_CONTINUE [i], can_continue);
       }
       }