X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2FSDCCcse.c;h=b02adc0e708917510a9424c6d523ec99fc410ac5;hb=d322ac46b9630c789436f6bd33c5e0aa58b01905;hp=126addff5460ee3e38c235980e49104b3c936d0b;hpb=defbc5095e2df05dee21c921f9a6c50fbf32b77a;p=fw%2Fsdcc

diff --git a/src/SDCCcse.c b/src/SDCCcse.c
index 126addff..b02adc0e 100644
--- a/src/SDCCcse.c
+++ b/src/SDCCcse.c
@@ -300,7 +300,7 @@ DEFSETFUNC (findCheaperOp)
       IS_ITEMP (IC_RESULT (cdp->diCode)))
     *opp = IC_RESULT (cdp->diCode);
 
-  if (*opp)
+  if ((*opp)&&(SPEC_USIGN(operandType (cop))==SPEC_USIGN(operandType (*opp))))
     {
 
       if ((isGlobalInNearSpace (cop) &&
@@ -327,7 +327,7 @@ DEFSETFUNC (findCheaperOp)
       return 1;
 
     }
-
+  *opp=NULL;
   return 0;
 }