loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.

* loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge. From-SVN: r240140

loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge.
* loop-unroll.c (unroll_loop_runtime_iterations): Set probability of succ edge. From-SVN: r240140
f335184d · Pat Haugen · Pat Haugen · 38711381 · f335184d · f335184d
Commit f335184d authored Sep 14, 2016 by Pat Haugen Committed by Pat Haugen Sep 14, 2016
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gcc/ChangeLog
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gcc/loop-unroll.c
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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+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

--- 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);