fix some warnings, represent mode size as unsigned value

[libfirm] / ir / ana / irbackedge.c

diff --git a/ir/ana/irbackedge.c b/ir/ana/irbackedge.c
index cb4a366..d82f07e 100644 (file)
--- a/ir/ana/irbackedge.c
+++ b/ir/ana/irbackedge.c
@@ -97,7 +97,7 @@ static unsigned *get_backarray(ir_node *n) {
  */
 static int legal_backarray(ir_node *n) {
        unsigned *ba = mere_get_backarray(n);
-       if (ba && (rbitset_size(ba) != get_irn_arity(n)))
+       if (ba && (rbitset_size(ba) != (unsigned) get_irn_arity(n)))
                return 0;
        return 1;
 }
@@ -111,7 +111,7 @@ void fix_backedges(struct obstack *obst, ir_node *n) {
                return;
 
        arity = get_irn_arity(n);
-       if (rbitset_size(arr) != arity) {
+       if (rbitset_size(arr) != (unsigned) arity) {
                arr = new_backedge_arr(obst, arity);
 
                opc = get_irn_opcode(n);