diff options
| author | Tom de Vries <tom@codesourcery.com> | 2017-08-06 09:56:38 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2017-08-06 09:56:38 +0000 |
| commit | 9fba2943f1e76245fda610fdb295b7077a5e799d (patch) | |
| tree | 21822ae9d31791c9ddd50d2f615df7e540518ee7 /gcc/omp-expand.c | |
| parent | f38057cc118cca4a97eac5c3c5c7c15bee024799 (diff) | |
Add missing edge probabilities in expand_oacc_for, tile case
;; basic block 11, loop depth 2, freq 0, maybe hot
;; prev block 22, next block 23, flags: (NEW, REACHABLE)
;; pred: 22 (TRUE_VALUE)
;; 24 (TRUE_VALUE)
...
if (.e_offset.15D.1971 < .e_bound.14D.1972)
- goto <bb 23>; [100.00%] [count: INV]
+ goto <bb 23>; [80.01%] [count: INV]
else
- goto <bb 24>; [INV] [count: INV]
+ goto <bb 24>; [19.99%] [count: INV]
;; basic block 23, loop depth 3, freq 0, maybe hot
;; prev block 11, next block 24, flags: (NEW)
;; pred: 11 [always] (TRUE_VALUE)
;; 23 (TRUE_VALUE)
ixD.1974 = .outer.4D.1967 + .e_offset.15D.1971;
.e_offset.15D.1971 = .e_offset.15D.1971 + .e_step.16D.1973;
if (.e_offset.15D.1971 < .e_bound.14D.1972)
- goto <bb 23>; [INV] [count: INV]
+ goto <bb 23>; [80.01%] [count: INV]
else
- goto <bb 24>; [100.00%] [count: INV]
+ goto <bb 24>; [19.99%] [count: INV]
2017-08-06 Tom de Vries <tom@codesourcery.com>
* omp-expand.c (expand_oacc_for): Add missing edge probability for tile
and element loops.
From-SVN: r250900
Diffstat (limited to 'gcc/omp-expand.c')
| -rw-r--r-- | gcc/omp-expand.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/omp-expand.c b/gcc/omp-expand.c index 5772bd9e4a3..0a0098af669 100644 --- a/gcc/omp-expand.c +++ b/gcc/omp-expand.c @@ -5663,9 +5663,16 @@ expand_oacc_for (struct omp_region *region, struct omp_for_data *fd) cont_bb = split->dest; split->flags ^= EDGE_FALLTHRU | EDGE_FALSE_VALUE; - make_edge (elem_cont_bb, elem_body_bb, EDGE_TRUE_VALUE); + split->probability = profile_probability::unlikely ().guessed (); + edge latch_edge + = make_edge (elem_cont_bb, elem_body_bb, EDGE_TRUE_VALUE); + latch_edge->probability = profile_probability::likely ().guessed (); - make_edge (body_bb, cont_bb, EDGE_FALSE_VALUE); + edge skip_edge = make_edge (body_bb, cont_bb, EDGE_FALSE_VALUE); + skip_edge->probability = profile_probability::unlikely ().guessed (); + edge loop_entry_edge = EDGE_SUCC (body_bb, 1 - skip_edge->dest_idx); + loop_entry_edge->probability + = profile_probability::likely ().guessed (); gsi = gsi_for_stmt (cont_stmt); } |