Changeset 110 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/src/Load_Store_pointer_unit_genMealy_retire.cpp

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"

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/src/Load_Store_pointer_unit_genMealy_retire.cpp (modified) (3 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_OOO_Engine/OOO_Engine/Rename_unit/Load_Store_pointer_unit/src/Load_Store_pointer_unit_genMealy_retire.cpp

@@ -24 +24 @@
     log_printf(FUNC,Load_Store_pointer_unit,FUNCTION,"Begin");
     
-    bool use_lsq [_param->_nb_load_store_queue];
-    for (uint32_t i=0; i<_param->_nb_load_store_queue; i++)
-      use_lsq [i] = false;
+//     bool use_lsq [_param->_nb_load_store_queue];
+//     for (uint32_t i=0; i<_param->_nb_load_store_queue; i++)
+//       use_lsq [i] = false;
 
     for (uint32_t i=0; i<_param->_nb_inst_retire; i++)
       {
-        Tcontrol_t ack = false;
+        Tcontrol_t ack = true; // always accept
         Tcontrol_t use_sq  = PORT_READ(in_RETIRE_USE_STORE_QUEUE [i]);
         Tcontrol_t use_lq  = PORT_READ(in_RETIRE_USE_LOAD_QUEUE  [i]);
@@ -41 +41 @@
 
             // Test if a previous instruction use the same lsq
-            // Authorize once memory access by load store unit
-            if (use_lsq [lsq] == false)
+//          // Authorize once memory access by load store unit
+//          if (use_lsq [lsq] == false)
               {
-                use_lsq [lsq] = true;
-                ack = true;
+//              use_lsq [lsq] = true;
+//              ack = true;
 
                 uint32_t   ptr;
@@ -70 +70 @@
         else
           {
-            ack = true;
+//          ack = true;
 
             internal_RETIRE_OPERATION_USE [i] = OPERATION_USE_NONE;