@@ -1,3 +1,11 @@
+2014-04-28 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/60902
+ * tree-ssa-threadedge.c
+ (record_temporary_equivalences_from_stmts_at_dest): Only iterate
+ over real defs when invalidating outputs from statements that do not
+ produce useful outputs for threading.
+
2014-04-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/60979
@@ -398,7 +398,7 @@ record_temporary_equivalences_from_stmts_at_dest (edge e,
ssa_op_iter iter;
if (backedge_seen)
- FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_ALL_DEFS)
+ FOR_EACH_SSA_TREE_OPERAND (op, stmt, iter, SSA_OP_DEF)
{
/* This call only invalidates equivalences created by
PHI nodes. This is by design to keep the cost of