--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.hpp	Thu Apr 26 11:19:05 2018 -0500
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2017, 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.
+ *
+ */
+
+#ifndef SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSCOMPILER_HPP
+#define SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSCOMPILER_HPP
+
+#include "runtime/flags/jvmFlag.hpp"
+
+/*
+ * Here we have compiler arguments constraints functions, which are called automatically
+ * whenever flag's value changes. If the constraint fails the function should return
+ * an appropriate error value.
+ */
+
+JVMFlag::Error AliasLevelConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error CICompilerCountConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error AllocatePrefetchDistanceConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error AllocatePrefetchInstrConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error AllocatePrefetchStepSizeConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error CompileThresholdConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error OnStackReplacePercentageConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error CodeCacheSegmentSizeConstraintFunc(uintx value, bool verbose);
+
+JVMFlag::Error CompilerThreadPriorityConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error CodeEntryAlignmentConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error OptoLoopAlignmentConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error ArraycopyDstPrefetchDistanceConstraintFunc(uintx value, bool verbose);
+
+JVMFlag::Error ArraycopySrcPrefetchDistanceConstraintFunc(uintx value, bool verbose);
+
+JVMFlag::Error TypeProfileLevelConstraintFunc(uintx value, bool verbose);
+
+JVMFlag::Error InitArrayShortSizeConstraintFunc(intx value, bool verbose);
+
+#ifdef COMPILER2
+JVMFlag::Error InteriorEntryAlignmentConstraintFunc(intx value, bool verbose);
+
+JVMFlag::Error NodeLimitFudgeFactorConstraintFunc(intx value, bool verbose);
+#endif
+
+JVMFlag::Error RTMTotalCountIncrRateConstraintFunc(int value, bool verbose);
+
+#endif /* SHARE_VM_RUNTIME_JVMFLAGCONSTRAINTSCOMPILER_HPP */