diff options
| author | Zdenek Dvorak <dvorakz@suse.cz> | 2007-01-03 02:29:00 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <dvorakz@suse.cz> | 2007-01-03 02:29:00 +0000 |
| commit | b6504e81ff7976049b3f63bd88afd67e25ae6312 (patch) | |
| tree | 65c401413cfba6d2049e2a002755074729d4e079 /gcc/cfgloop.h | |
| parent | f993150ebf34e8b8be3ca93f676a6ac547fb8020 (diff) | |
* loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
* tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
to loop_version.
* cfgloopmanip.c (scale_loop_frequencies): Export.
(loopify): Scale the frequencies by prescribed coefficients.
(set_zero_probability): New function.
(duplicate_loop_to_header_edge): Improve updating of frequencies.
(lv_adjust_loop_entry_edge, loop_version): Set probabilities
and frequencies according to arguments.
* tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
correctly.
* cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
* modulo-sched.c (sms_schedule): Set probabilities for entering
versioned loop correctly.
* tree-vect-transform.c (vect_transform_loop): Ditto.
* cfgloop.h (loopify, loop_version): Declaration changed.
(scale_loop_frequencies): Declared.
* gcc.dg/tree-ssa/update-unroll-1.c: New test.
* gcc.dg/tree-ssa/update-unswitch-1.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@120378 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cfgloop.h')
| -rw-r--r-- | gcc/cfgloop.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h index aa12dbf3ed0..19fc93fcc66 100644 --- a/gcc/cfgloop.h +++ b/gcc/cfgloop.h @@ -254,10 +254,12 @@ extern bool duplicate_loop_to_header_edge (struct loop *, edge, unsigned, sbitmap, edge, VEC (edge, heap) **, int); extern struct loop *loopify (edge, edge, - basic_block, edge, edge, bool); + basic_block, edge, edge, bool, + unsigned, unsigned); struct loop * loop_version (struct loop *, void *, - basic_block *, bool); + basic_block *, unsigned, unsigned, unsigned, bool); extern bool remove_path (edge); +void scale_loop_frequencies (struct loop *, int, int); /* Induction variable analysis. */ |