Remove write-only variable.

[r22804]

diff --git a/ir/be/belower.c b/ir/be/belower.c
index be4d9d4..384af47 100644 (file)
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -285,7 +285,6 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
        ir_graph        *irg = get_irn_irg(irn);
        const arch_register_class_t *reg_class;
        lower_env_t     *env         = walk_env;
-       int             real_size    = 0;
        int             keep_perm    = 0;
        int             n, i, pn, do_copy, j, n_ops;
        reg_pair_t      *pairs;
@@ -352,8 +351,6 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
                do_copy = 0;
        }
 
-       real_size = n - get_n_checked_pairs(pairs, n);
-
        /* check for cycles and chains */
        while (get_n_checked_pairs(pairs, n) < n) {
                perm_cycle_t *cycle;