Changeset 98 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src/Update_Prediction_Table_genMealy_branch_complete.cpp

Timestamp:

Dec 31, 2008, 11:18:08 AM (15 years ago)

Author:

rosiere

Message:

1) Fix bug (read unit, RAT -> write in R0, SPR desallocation ...)
2) Change VHDL Execute_queue -> use Generic/Queue?
3) Complete document on VHDL generation
4) Add soc test

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Update_Prediction_Table/src/Update_Prediction_Table_genMealy_branch_complete.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_genMealy_branch_complete.cpp

@@ -40 +40 @@
         Tbranch_condition_t condition = reg_UPDATE_PREDICTION_TABLE [context][depth]._condition   ;
 
-        Tcontrol_t          flag      = PORT_READ(in_BRANCH_COMPLETE_FLAG [i]);
+        Tcontrol_t          no_sequence = PORT_READ(in_BRANCH_COMPLETE_NO_SEQUENCE [i]);
         Taddress_t          addr_good = PORT_READ(in_BRANCH_COMPLETE_ADDRESS [i]);
 
@@ -46 +46 @@
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * depth          : %d",depth  );
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * condition      : %s",toString(condition).c_str());
-        log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * flag           : %d",flag);
+        log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * no_sequence    : %d",no_sequence);
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * address_good   : %.8x",addr_good);
 
@@ -74 +74 @@
             }
           case BRANCH_CONDITION_FLAG_UNSET                        : // l.bnf
-            {
-              //addr_dest : compute in decod stage
-              //miss if the direction is bad
-              log_printf(TRACE,Update_Prediction_Table,FUNCTION,"      * BRANCH_CONDITION_FLAG_UNSET");
-
-              Tcontrol_t take_good = not flag; // flag set = not take
-
-              miss = (take != take_good);
-              take = take_good;
-
-#ifdef DEBUG_TEST
-//               if (addr_dest != addr_good)
-//                 throw ERRORMORPHEO(FUNCTION,toString("Branch_complete[%d] (condition %s) : bad destination address.",i,toString(condition).c_str()));
-#endif
-
-              break;
-            }
           case BRANCH_CONDITION_FLAG_SET                          : // l.bf
             {
               //addr_dest : compute in decod stage
               //miss if the direction is bad
-              log_printf(TRACE,Update_Prediction_Table,FUNCTION,"      * BRANCH_CONDITION_FLAG_SET");
+              log_printf(TRACE,Update_Prediction_Table,FUNCTION,"      * BRANCH_CONDITION_FLAG");
 
-              Tcontrol_t take_good = flag; // flag set = take
+//               Tcontrol_t take_good = not flag; // flag set = not take
+//               Tcontrol_t take_good = flag; // flag set = take
+              Tcontrol_t take_good = no_sequence;
 
               miss = (take != take_good);