--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/opto/intrinsicnode.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "opto/intrinsicnode.hpp"
+#include "opto/memnode.hpp"
+#include "opto/phaseX.hpp"
+
+//=============================================================================
+// Do not match memory edge.
+uint StrIntrinsicNode::match_edge(uint idx) const {
+  return idx == 2 || idx == 3;
+}
+
+//------------------------------Ideal------------------------------------------
+// Return a node which is more "ideal" than the current node.  Strip out
+// control copies
+Node* StrIntrinsicNode::Ideal(PhaseGVN* phase, bool can_reshape) {
+  if (remove_dead_region(phase, can_reshape)) return this;
+  // Don't bother trying to transform a dead node
+  if (in(0) && in(0)->is_top())  return NULL;
+
+  if (can_reshape) {
+    Node* mem = phase->transform(in(MemNode::Memory));
+    // If transformed to a MergeMem, get the desired slice
+    uint alias_idx = phase->C->get_alias_index(adr_type());
+    mem = mem->is_MergeMem() ? mem->as_MergeMem()->memory_at(alias_idx) : mem;
+    if (mem != in(MemNode::Memory)) {
+      set_req(MemNode::Memory, mem);
+      return this;
+    }
+  }
+  return NULL;
+}
+
+//------------------------------Value------------------------------------------
+const Type* StrIntrinsicNode::Value(PhaseGVN* phase) const {
+  if (in(0) && phase->type(in(0)) == Type::TOP) return Type::TOP;
+  return bottom_type();
+}
+
+uint StrIntrinsicNode::size_of() const { return sizeof(*this); }
+
+//=============================================================================
+//------------------------------Ideal------------------------------------------
+// Return a node which is more "ideal" than the current node.  Strip out
+// control copies
+Node* StrCompressedCopyNode::Ideal(PhaseGVN* phase, bool can_reshape) {
+  return remove_dead_region(phase, can_reshape) ? this : NULL;
+}
+
+//=============================================================================
+//------------------------------Ideal------------------------------------------
+// Return a node which is more "ideal" than the current node.  Strip out
+// control copies
+Node* StrInflatedCopyNode::Ideal(PhaseGVN* phase, bool can_reshape) {
+  return remove_dead_region(phase, can_reshape) ? this : NULL;
+}
+
+//=============================================================================
+//------------------------------match_edge-------------------------------------
+// Do not match memory edge
+uint EncodeISOArrayNode::match_edge(uint idx) const {
+  return idx == 2 || idx == 3; // EncodeISOArray src (Binary dst len)
+}
+
+//------------------------------Ideal------------------------------------------
+// Return a node which is more "ideal" than the current node.  Strip out
+// control copies
+Node* EncodeISOArrayNode::Ideal(PhaseGVN* phase, bool can_reshape) {
+  return remove_dead_region(phase, can_reshape) ? this : NULL;
+}
+
+//------------------------------Value------------------------------------------
+const Type* EncodeISOArrayNode::Value(PhaseGVN* phase) const {
+  if (in(0) && phase->type(in(0)) == Type::TOP) return Type::TOP;
+  return bottom_type();
+}
+