Changeset 82 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/src/Branch_Target_Buffer_Register_transition.cpp

Timestamp:

May 1, 2008, 6:48:45 PM (16 years ago)

Author:

rosiere

Message:

• support locale (now must "just" translate)
• update all component with new test format
• update all component with usage
• New component : decod queue and prediction_unit

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/src/Branch_Target_Buffer_Register_transition.cpp (modified) (3 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Front_end/Front_end/Prediction_unit/Branch_Target_Buffer/Branch_Target_Buffer_Register/src/Branch_Target_Buffer_Register_transition.cpp

@@ -32 +32 @@
     else
       {
+        if (not _param->_have_port_victim)
+          {
+            genMealy_decod  ();
+            genMealy_update ();
+          }
+
         // =======================================================
         // =====[ PREDICT ]=======================================
@@ -66 +72 @@
                   reg_BTB[num_bank][num_entry]._condition        = cond;
                   reg_BTB[num_bank][num_entry]._last_take        = PORT_READ(in_DECOD_LAST_TAKE    [i]);
-                  reg_BTB[num_bank][num_entry]._accurate         = _param->_first_accurate_if_hit;
+                  reg_BTB[num_bank][num_entry]._accurate         = (PORT_READ(in_DECOD_IS_ACCURATE [i]))?_param->_first_accurate_if_hit:_param->_first_accurate_if_miss;
                 }
               // else (hit) : no update -> it's not the last result of the branch
@@ -116 +122 @@
 
                   accurate_new =  (miss_pred)?_param->_first_accurate_if_miss:_param->_first_accurate_if_hit;
+
+                  reg_BTB[num_bank][num_entry]._val              = 1;
+                  reg_BTB[num_bank][num_entry]._context          = (_param->_have_port_context_id)?PORT_READ(in_UPDATE_CONTEXT_ID [i]):0;
+                  reg_BTB[num_bank][num_entry]._address_src      = PORT_READ(in_UPDATE_ADDRESS_SRC  [i]);
+                  reg_BTB[num_bank][num_entry]._condition        = PORT_READ(in_UPDATE_CONDITION    [i]);
+                  reg_BTB[num_bank][num_entry]._last_take        = PORT_READ(in_UPDATE_LAST_TAKE    [i]);
                 }
 
               // =====[ All Case ]
-              reg_BTB[num_bank][num_entry]._val              = 1;
-              reg_BTB[num_bank][num_entry]._context          = (_param->_have_port_context_id)?PORT_READ(in_UPDATE_CONTEXT_ID [i]):0;
-              reg_BTB[num_bank][num_entry]._address_src      = PORT_READ(in_UPDATE_ADDRESS_SRC  [i]);
-              reg_BTB[num_bank][num_entry]._condition        = PORT_READ(in_UPDATE_CONDITION    [i]);
-
-              reg_BTB[num_bank][num_entry]._address_dest_val = 1;
-              reg_BTB[num_bank][num_entry]._address_dest     = PORT_READ(in_UPDATE_ADDRESS_DEST [i]);
-              reg_BTB[num_bank][num_entry]._last_take        = PORT_READ(in_UPDATE_LAST_TAKE    [i]);
+              if (reg_BTB[num_bank][num_entry]._address_dest_val == 0)
+                {
+                  reg_BTB[num_bank][num_entry]._address_dest_val = 1;
+                  reg_BTB[num_bank][num_entry]._address_dest     = PORT_READ(in_UPDATE_ADDRESS_DEST [i]);
+                }
               reg_BTB[num_bank][num_entry]._accurate         = accurate_new;
             }