fix warning

[r20893]

diff --git a/ir/tv/tv.c b/ir/tv/tv.c
index 96fcc6e..e8c9649 100644 (file)
--- a/ir/tv/tv.c
+++ b/ir/tv/tv.c
@@ -1162,7 +1162,6 @@ tarval *tarval_add(tarval *a, tarval *b) {
  * subtraction
  */
 tarval *tarval_sub(tarval *a, tarval *b, ir_mode *dst_mode) {
-       tarval  *res;
        char    *buffer;
 
        assert(a);