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| author | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-01-03 02:29:00 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-01-03 02:29:00 +0000 |
| commit | 03cb2019ff14e03b2256bc6dca8a1bd3ec2bede9 (patch) | |
| tree | 65c401413cfba6d2049e2a002755074729d4e079 /gcc/loop-unswitch.c | |
| parent | 7a388ee4530a1924bd3e0100078e5179bf5ee18c (diff) | |
| download | gcc-03cb2019ff14e03b2256bc6dca8a1bd3ec2bede9.tar.gz | |
loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
* 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.
From-SVN: r120378
Diffstat (limited to 'gcc/loop-unswitch.c')
| -rw-r--r-- | gcc/loop-unswitch.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/loop-unswitch.c b/gcc/loop-unswitch.c index 38706d174d8..b0e2aaa12be 100644 --- a/gcc/loop-unswitch.c +++ b/gcc/loop-unswitch.c @@ -451,7 +451,8 @@ unswitch_loop (struct loop *loop, basic_block unswitch_on, rtx cond, rtx cinsn) /* Loopify from the copy of LOOP body, constructing the new loop. */ nloop = loopify (latch_edge, single_pred_edge (get_bb_copy (loop->header)), switch_bb, - BRANCH_EDGE (switch_bb), FALLTHRU_EDGE (switch_bb), true); + BRANCH_EDGE (switch_bb), FALLTHRU_EDGE (switch_bb), true, + prob, REG_BR_PROB_BASE - prob); /* Remove branches that are now unreachable in new loops. */ remove_path (true_edge); |