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| author | Josef Zlomek <zlomekj@suse.cz> | 2003-02-10 20:18:42 +0100 |
|---|---|---|
| committer | Josef Zlomek <zlomek@gcc.gnu.org> | 2003-02-10 19:18:42 +0000 |
| commit | aa634f11e65d7630b96742a4f3d187d920e0c87e (patch) | |
| tree | dccf4963c7714b07bfd684853d4bc9111711b32d /gcc/cfgcleanup.c | |
| parent | 17edbda5792c20f9f11d77c829d5dae9ad9b0e24 (diff) | |
| download | gcc-aa634f11e65d7630b96742a4f3d187d920e0c87e.zip gcc-aa634f11e65d7630b96742a4f3d187d920e0c87e.tar.gz gcc-aa634f11e65d7630b96742a4f3d187d920e0c87e.tar.bz2 | |
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
Diffstat (limited to 'gcc/cfgcleanup.c')
| -rw-r--r-- | gcc/cfgcleanup.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c index 19e9fd5..2a23cc0 100644 --- a/gcc/cfgcleanup.c +++ b/gcc/cfgcleanup.c @@ -1143,17 +1143,6 @@ outgoing_edges_match (mode, bb1, bb2) || !onlyjump_p (bb2->end)) return false; - /* Do not crossjump across loop boundaries. This is a temporary - workaround for the common scenario in which crossjumping results - in killing the duplicated loop condition, making bb-reorder rotate - the loop incorrectly, leaving an extra unconditional jump inside - the loop. - - This check should go away once bb-reorder knows how to duplicate - code in this case or rotate the loops to avoid this scenario. */ - if (bb1->loop_depth != bb2->loop_depth) - return false; - b1 = BRANCH_EDGE (bb1); b2 = BRANCH_EDGE (bb2); f1 = FALLTHRU_EDGE (bb1); |