fixed warnings

[r14555]

diff --git a/include/libfirm/adt/bitset.h b/include/libfirm/adt/bitset.h
index 5791fa6..c70edcb 100644 (file)
--- a/include/libfirm/adt/bitset.h
+++ b/include/libfirm/adt/bitset.h
@@ -303,7 +303,7 @@ static INLINE bitset_pos_t _bitset_next(const bitset_t *bs,
  * @param elm A unsigned long variable.
  */
 #define bitset_foreach(bitset,elm) \
-       for(elm = bitset_next_set(bitset,0); elm != -1; elm = bitset_next_set(bitset,elm+1))
+       for(elm = bitset_next_set(bitset,0); elm != (bitset_pos_t) -1; elm = bitset_next_set(bitset,elm+1))
 
 
 #define bitset_foreach_clear(bitset,elm) \