Changeset 122 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:

Jun 3, 2009, 10:15:51 AM (15 years ago)

Author:

rosiere

Message:

Modif for performance :
1) Load Store Unit : store send request to valid exeception
2) Commit_unit : retire can bypass store
3) Commit_unit : add stat to manage store instruction
4) Load Store Unit and Load Store Pointer Manager : add store_queue_ptr_read
5) Fix lot of bug

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

@@ -33 +33 @@
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"  * BRANCH_COMPLETE [%d]",i);
 
-        Tcontext_t          context   = (_param->_have_port_context_id)?PORT_READ(in_BRANCH_COMPLETE_CONTEXT_ID [i]):0;
-        Tdepth_t            depth     = (_param->_have_port_depth     )?PORT_READ(in_BRANCH_COMPLETE_DEPTH      [i]):0;
-        Tcontrol_t          miss      = false;
-        Tcontrol_t          take      = reg_UPDATE_PREDICTION_TABLE [context][depth]._last_take   ;
-        Taddress_t          addr_dest = reg_UPDATE_PREDICTION_TABLE [context][depth]._address_dest;
-        Tbranch_condition_t condition = reg_UPDATE_PREDICTION_TABLE [context][depth]._condition   ;
+        // Read information
+        Tcontext_t          context     = (_param->_have_port_context_id)?PORT_READ(in_BRANCH_COMPLETE_CONTEXT_ID [i]):0;
+        Tdepth_t            depth       = (_param->_have_port_depth     )?PORT_READ(in_BRANCH_COMPLETE_DEPTH      [i]):0;
+        Tcontrol_t          miss        = false; // init
+        Tcontrol_t          take        = reg_UPDATE_PREDICTION_TABLE [context][depth]._last_take   ;
+        Taddress_t          addr_dest   = reg_UPDATE_PREDICTION_TABLE [context][depth]._address_dest;
+        Tbranch_condition_t condition   = reg_UPDATE_PREDICTION_TABLE [context][depth]._condition   ;
 
         Tcontrol_t          no_sequence = PORT_READ(in_BRANCH_COMPLETE_NO_SEQUENCE [i]);
-        Taddress_t          addr_good = PORT_READ(in_BRANCH_COMPLETE_ADDRESS [i]);
+        Taddress_t          addr_good   = PORT_READ(in_BRANCH_COMPLETE_ADDRESS [i]);
 
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"    * context        : %d",context);
@@ -54 +55 @@
         log_printf(TRACE,Update_Prediction_Table,FUNCTION,"      * address_dest : %.8x",addr_dest);
 
+        // Test branch condition
         switch (condition)
           {
@@ -80 +82 @@
               log_printf(TRACE,Update_Prediction_Table,FUNCTION,"      * BRANCH_CONDITION_FLAG");
 
-//               Tcontrol_t take_good = not flag; // flag set = not take
-//               Tcontrol_t take_good = flag; // flag set = take
               Tcontrol_t take_good = no_sequence;