* src/mcs51/gen.c (genCmp): fixed bug #975903

[fw/sdcc] / src / mcs51 / gen.c

diff --git a/src/mcs51/gen.c b/src/mcs51/gen.c
index 3e9b341c535a354251af99b23c18895bb6842681..8e5f49cff20d9039d2c5830a34d92d8630473ea7 100644 (file)
--- a/src/mcs51/gen.c
+++ b/src/mcs51/gen.c
@@ -650,10 +650,10 @@ operandsEqu (operand * op1, operand * op2)
   if (sym1 == sym2)
     return TRUE;
 
-  if (strcmp (sym1->rname, sym2->rname) == 0)
+  if (sym1->rname[0] && sym2->rname[0]
+      && strcmp (sym1->rname, sym2->rname) == 0)
     return TRUE;
 
-
   /* if left is a tmp & right is not */
   if (IS_ITEMP (op1) &&
       !IS_ITEMP (op2) &&
@@ -4777,6 +4777,9 @@ genCmp (operand * left, operand * right,
                      if (!(AOP_TYPE (result) == AOP_CRY && AOP_SIZE (result)) && ifx)
                        {
                          genIfxJump (ifx, "acc.7", left, right, result);
+                         freeAsmop (right, NULL, ic, TRUE);
+                         freeAsmop (left, NULL, ic, TRUE);
+
                          return;
                        }
                      else