* src/SDCCsymt.c (initCSupport): Removed managling of support function

[fw/sdcc] / src / z80 / ralloc.c

diff --git a/src/z80/ralloc.c b/src/z80/ralloc.c
index b23b4b221e41543f502ba3d71f37643eaa8d7238..6e97b1da76c1f751639d006f6ba5fd1a057b4007 100644 (file)
--- a/src/z80/ralloc.c
+++ b/src/z80/ralloc.c
@@ -1308,10 +1308,25 @@ static void fillGaps()
                if (pdone > 1) break;
            }
        }
+       for (i = 0 ; i < sym->uses->size ; i++ ) {
+           if (bitVectBitValue(sym->uses,i)) {
+               iCode *ic;
+               if (!(ic = hTabItemWithKey(iCodehTab,i))) continue ;
+               if (SKIP_IC(ic)) continue;
+               if (!IS_ASSIGN_ICODE(ic)) continue ;
+
+               /* if result is assigned to registers */
+               if (IS_SYMOP(IC_RESULT(ic)) && 
+                   bitVectBitValue(_G.totRegAssigned,OP_SYMBOL(IC_RESULT(ic))->key)) {
+                   pdone += positionRegs(sym,OP_SYMBOL(IC_RESULT(ic)));
+               }
+               if (pdone > 1) break;
+           }
+       }
        /* had to position more than once GIVE UP */
        if (pdone > 1) {
            /* UNDO all the changes we made to try this */
-           sym->isspilt = 0;
+           sym->isspilt = 1;
            for (i=0; i < sym->nRegs ; i++ ) {
                sym->regs[i] = NULL;
            }
@@ -2427,6 +2442,12 @@ packRegsForIYUse (iCode * lic, operand * op, eBBlock * ebp)
       return NULL;
     }
 
+  if (getSize (operandType (op)) != 2)
+    {
+      D (D_ACCUSE2, ("  + Dropping as operation has size is too big\n"));
+      return FALSE;
+    }
+
   /* Nothing else that clashes with this is using the scratch
      register.  Scan through all of the intermediate instructions and
      see if any of them could nuke HL.