bitset_copy(free_cols, allocatable_regs);
/* Exclude colors not assignable to the irn */
- if (arch_register_req_is(req, limited)) {
- bitset_t *limited = bitset_alloca(cls->n_regs);
- rbitset_copy_to_bitset(req->limited, limited);
- bitset_and(free_cols, limited);
- }
+ if (arch_register_req_is(req, limited))
+ rbitset_and(free_cols->data, req->limited, free_cols->size);
/* Exclude the color of the irn, because it must _change_ its color */
bitset_clear(free_cols, irn_col);