diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/cpu/zero/globals_zero.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/zero/globals_zero.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
+ * 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.
+ *
+ */
+
+#ifndef CPU_ZERO_VM_GLOBALS_ZERO_HPP
+#define CPU_ZERO_VM_GLOBALS_ZERO_HPP
+
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/macros.hpp"
+
+// Set the default values for platform dependent flags used by the
+// runtime system.  See globals.hpp for details of what they do.
+
+define_pd_global(bool,  ShareVtableStubs,     true);
+define_pd_global(bool,  NeedsDeoptSuspend,    false);
+
+define_pd_global(bool,  ImplicitNullChecks,   true);
+define_pd_global(bool,  TrapBasedNullChecks,  false);
+define_pd_global(bool,  UncommonNullCast,     true);
+
+define_pd_global(uintx, CodeCacheSegmentSize, 64 TIERED_ONLY(+64)); // Tiered compilation has large code-entry alignment.
+define_pd_global(intx,  CodeEntryAlignment,   32);
+define_pd_global(intx,  OptoLoopAlignment,    16);
+define_pd_global(intx,  InlineFrequencyCount, 100);
+define_pd_global(intx,  InlineSmallCode,      1000);
+
+// not used, but must satisfy following constraints:
+// 1.) <VALUE> must be in the allowed range for intx *and*
+// 2.) <VALUE> % BytesPerLong == 0 so as to not
+//     violate the constraint verifier on JVM start-up.
+define_pd_global(intx,  InitArrayShortSize,   0);
+
+#define DEFAULT_STACK_YELLOW_PAGES (2)
+#define DEFAULT_STACK_RED_PAGES (1)
+#define DEFAULT_STACK_SHADOW_PAGES (5 LP64_ONLY(+1) DEBUG_ONLY(+3))
+#define DEFAULT_STACK_RESERVED_PAGES (0)
+
+#define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES
+#define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES
+#define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES
+#define MIN_STACK_RESERVED_PAGES (0)
+
+define_pd_global(intx,  StackYellowPages,     DEFAULT_STACK_YELLOW_PAGES);
+define_pd_global(intx,  StackRedPages,        DEFAULT_STACK_RED_PAGES);
+define_pd_global(intx,  StackShadowPages,     DEFAULT_STACK_SHADOW_PAGES);
+define_pd_global(intx,  StackReservedPages,   DEFAULT_STACK_RESERVED_PAGES);
+
+define_pd_global(bool,  RewriteBytecodes,     true);
+define_pd_global(bool,  RewriteFrequentPairs, true);
+
+define_pd_global(bool,  UseMembar,            true);
+
+// GC Ergo Flags
+define_pd_global(size_t, CMSYoungGenPerWorker, 16*M);  // default max size of CMS young gen, per GC worker thread
+
+define_pd_global(uintx, TypeProfileLevel, 0);
+
+define_pd_global(bool, PreserveFramePointer, false);
+
+// No performance work done here yet.
+define_pd_global(bool, CompactStrings, false);
+
+#define ARCH_FLAGS(develop, \
+                   product, \
+                   diagnostic, \
+                   experimental, \
+                   notproduct, \
+                   range, \
+                   constraint, \
+                   writeable)  \
+                                                                            \
+  product(bool, UseFastEmptyMethods, true,                                  \
+          "Use fast method entry code for empty methods")                   \
+                                                                            \
+  product(bool, UseFastAccessorMethods, true,                               \
+          "Use fast method entry code for accessor methods")                \
+                                                                            \
+
+#endif // CPU_ZERO_VM_GLOBALS_ZERO_HPP