* src/SDCCcse.c (algebraicOpts): fixed bug #773153

[fw/sdcc] / src / SDCClrange.c

diff --git a/src/SDCClrange.c b/src/SDCClrange.c
index abf935ce1685cd15991e3955504929a7f1b9a753..b33428c33872323674116277bee3697e6ed326f5 100644 (file)
--- a/src/SDCClrange.c
+++ b/src/SDCClrange.c
@@ -31,6 +31,22 @@ hTab *liveRanges = NULL;
 hTab *iCodehTab = NULL;
 hTab *iCodeSeqhTab = NULL;
 
+/*-----------------------------------------------------------------*/
+/* hashiCodeKeys - add all iCodes to the hash table                */
+/*-----------------------------------------------------------------*/
+void 
+hashiCodeKeys (eBBlock ** ebbs, int count)
+{
+  int i;
+
+  for (i = 0; i < count; i++)
+    {
+      iCode *ic;
+      for (ic = ebbs[i]->sch; ic; ic = ic->next)
+       hTabAddItem (&iCodehTab, ic->key, ic);
+    }
+}
+
 /*-----------------------------------------------------------------*/
 /* sequenceiCode - creates a sequence number for the iCode & add   */
 /*-----------------------------------------------------------------*/
@@ -48,7 +64,7 @@ sequenceiCode (eBBlock ** ebbs, int count)
        {
          ic->seq = ++iCodeSeq;
          ic->depth = ebbs[i]->depth;
-         hTabAddItem (&iCodehTab, ic->key, ic);
+         //hTabAddItem (&iCodehTab, ic->key, ic);
          hTabAddItem (&iCodeSeqhTab, ic->seq, ic);
        }
       ebbs[i]->lSeq = iCodeSeq;
@@ -406,6 +422,9 @@ rlivePoint (eBBlock ** ebbs, int count)
                }
            }
 
+         if (POINTER_SET(ic) && IS_SYMOP(IC_RESULT(ic)))
+           incUsed (ic, IC_RESULT(ic));
+
          if (IS_ITEMP(IC_RESULT(ic)))
            {
              unvisitBlocks(ebbs, count);
@@ -613,6 +632,7 @@ computeLiveRanges (eBBlock ** ebbs, int count)
   iCodeSeq = 0;
   setToNull ((void *) &iCodehTab);
   iCodehTab = newHashTable (iCodeKey);
+  hashiCodeKeys (ebbs, count);
   setToNull ((void *) &iCodeSeqhTab);
   iCodeSeqhTab = newHashTable (iCodeKey);
   sequenceiCode (ebbs, count);