/* Bit X of PROTECTED_BBS is set if the last operation in basic block
X is protected by a cache barrier. */
protected_bbs = sbitmap_alloc (last_basic_block);
- sbitmap_zero (protected_bbs);
+ bitmap_clear (protected_bbs);
/* Iterate over the basic blocks in reverse post-order. */
rev_post_order = XNEWVEC (int, last_basic_block);