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authorpthaugen <pthaugen@138bc75d-0d04-0410-961f-82ee72b054a4>2016-09-14 17:04:18 +0000
committerpthaugen <pthaugen@138bc75d-0d04-0410-961f-82ee72b054a4>2016-09-14 17:04:18 +0000
commitdf42d375282fecb93482f60e0839fc9534e69840 (patch)
treed9999832953930faba81740f349bacb7f6c7e027
parentef45c4c09fc2c9bd4e249f6c8f912d45784f4d7d (diff)
downloadgcc-df42d375282fecb93482f60e0839fc9534e69840.tar.gz
* loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@240140 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/loop-unroll.c2
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 65dc1822376..85275186b95 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2016-09-14 Pat Haugen <pthaugen@us.ibm.com>
+
+ * loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.
+
2016-09-14 Segher Boessenkool <segher@kernel.crashing.org>
* target.def (lra_p): Change commentary (for the manual) for the
diff --git a/gcc/loop-unroll.c b/gcc/loop-unroll.c
index b568ea56d84..2d5fe48411b 100644
--- a/gcc/loop-unroll.c
+++ b/gcc/loop-unroll.c
@@ -979,7 +979,7 @@ unroll_loop_runtime_iterations (struct loop *loop)
swtch = split_edge_and_insert (single_pred_edge (swtch), branch_code);
set_immediate_dominator (CDI_DOMINATORS, preheader, swtch);
- single_pred_edge (swtch)->probability = REG_BR_PROB_BASE - p;
+ single_succ_edge (swtch)->probability = REG_BR_PROB_BASE - p;
e = make_edge (swtch, preheader,
single_succ_edge (swtch)->flags & EDGE_IRREDUCIBLE_LOOP);
e->count = RDIV (preheader->count * REG_BR_PROB_BASE, p);