const arch_register_class_t *reg_class;
const arch_env_t *arch_env;
lower_env_t *env = walk_env;
- int real_size = 0;
- int n, i, pn, do_copy, j, n_ops;
+ int real_size = 0;
+ int keep_perm = 0;
+ int n, i, pn, do_copy, j, n_ops;
reg_pair_t *pairs;
const ir_edge_t *edge;
perm_cycle_t *cycle;
*/
if (n == 2 && cycle->type == PERM_CYCLE) {
free(cycle);
+ keep_perm = 1;
continue;
}
free(cycle);
}
-
-
/* remove the perm from schedule */
- sched_remove(irn);
+ if (! keep_perm)
+ sched_remove(irn);
}