* Make store likely in optimize_mask_stores
@ 2023-07-27 18:33 Jan Hubicka
0 siblings, 0 replies; only message in thread
From: Jan Hubicka @ 2023-07-27 18:33 UTC (permalink / raw)
To: gcc-patches
Hi,
as discussed with Richard, we want store to be likely in
optimize_mask_stores.
Bootstrapped/regtested x86_64-linux, comitted.
gcc/ChangeLog:
* tree-vect-loop.cc (optimize_mask_stores): Make store
likely.
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index 2561552fe6e..a83952aff60 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -11741,7 +11741,7 @@ optimize_mask_stores (class loop *loop)
e->flags = EDGE_TRUE_VALUE;
efalse = make_edge (bb, store_bb, EDGE_FALSE_VALUE);
/* Put STORE_BB to likely part. */
- efalse->probability = profile_probability::unlikely ();
+ efalse->probability = profile_probability::likely ();
e->probability = efalse->probability.invert ();
store_bb->count = efalse->count ();
make_single_succ_edge (store_bb, join_bb, EDGE_FALLTHRU);
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