Changeset 119 for trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Load_store_unit/src/Load_store_unit_function_speculative_load_commit_transition.cpp

Timestamp:

May 25, 2009, 7:40:26 PM (15 years ago)

Author:

rosiere

Message:

1) Prediction unit : static prediction not blocking

File:

• trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Load_store_unit/src/Load_store_unit_function_speculative_load_commit_transition.cpp (modified) (6 diffs)

trunk/IPs/systemC/processor/Morpheo/Behavioural/Core/Multi_Execute_loop/Execute_loop/Multi_Execute_unit/Execute_unit/Load_store_unit/src/Load_store_unit_function_speculative_load_commit_transition.cpp

@@ -255 +255 @@
     else
       {
+        // load_queue_push if speculative_access_queue have access at the dcache, or they have an event
+        bool load_queue_push = (_speculative_access_queue [internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ]._state == SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE);
+
         //================================================================
         // Interface "MEMORY_OUT"
@@ -898 +901 @@
 
                 _speculative_access_queue [index]._exception            = exception;
-                
-                log_printf(TRACE,Load_store_unit,FUNCTION,"      * index         : %d",index);
               }
           }
@@ -906 +907 @@
         // Interface "DCACHE_REQ"
         //================================================================
-        bool load_queue_push = (_speculative_access_queue [internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ]._state == SPECULATIVE_ACCESS_QUEUE_WAIT_LOAD_QUEUE);
-
         if ((    internal_DCACHE_REQ_VAL  == 1) and
             (PORT_READ(in_DCACHE_REQ_ACK[0]) == 1))
@@ -948 +947 @@
         if (load_queue_push)
           {
+            log_printf(TRACE,Load_store_unit,FUNCTION,"  * load_queue_push");
+
             Tlsq_ptr_t   ptr_write = _speculative_access_queue[internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ]._load_queue_ptr_write;
             Toperation_t operation = _speculative_access_queue[internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ]._operation;
             Texception_t exception = _speculative_access_queue[internal_SPECULATIVE_ACCESS_QUEUE_PTR_READ]._exception;
             bool         have_exception = (exception != EXCEPTION_MEMORY_NONE);
+            bool         need_check= false;
             
             if (have_exception)
@@ -963 +965 @@
                       {
                         // load
+                        need_check = true;
                         _load_queue [ptr_write]._state = LOAD_QUEUE_WAIT_CHECK;
                       }
@@ -1020 +1023 @@
 
             // Only load need check
-            if (is_operation_memory_load(_load_queue [ptr_write]._operation))
+            if (need_check)
+//             if (is_operation_memory_load(_load_queue [ptr_write]._operation))
               {
                 log_printf(TRACE,Load_store_unit,FUNCTION,"    * update nb_check");