Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
* Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
* bb-reorder.c (make_reorder_chain): Deleted.
(make_reorder_chain_1): Deleted.
(find_traces): New function.
(rotate_loop): New function.
(mark_bb_visited): New function.
(find_traces_1_round): New function.
(copy_bb): New function.
(bb_to_key): New function.
(better_edge_p): New function.
(connect_traces): New function.
(copy_bb_p): New function.
(get_uncond_jump_length): New function.
(reorder_basic_blocks): Use new functions (Software Trace Cache).
* cfgcleanup.c (outgoing_edges_match): Enable crossjumping across loop
boundaries.
From-SVN: r62645