--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/s390/vm/c2_globals_s390.hpp	Thu Oct 13 14:49:34 2016 +0200
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016 SAP SE. 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 CPU_S390_VM_C2_GLOBALS_S390_HPP
+#define CPU_S390_VM_C2_GLOBALS_S390_HPP
+
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/macros.hpp"
+
+// Sets the default values for platform dependent flags used by the server compiler.
+// (see c2_globals.hpp).
+// Sorted according to sparc.
+
+define_pd_global(bool, BackgroundCompilation,        true);
+define_pd_global(bool, CICompileOSR,                 true);
+define_pd_global(bool, InlineIntrinsics,             true);
+define_pd_global(bool, PreferInterpreterNativeStubs, false);
+define_pd_global(bool, ProfileTraps,                 true);
+define_pd_global(bool, UseOnStackReplacement,        true);
+define_pd_global(bool, ProfileInterpreter,           true);
+define_pd_global(bool, TieredCompilation,            trueInTiered);
+define_pd_global(intx, CompileThreshold,             10000);
+
+define_pd_global(intx, OnStackReplacePercentage,     140);
+define_pd_global(intx, ConditionalMoveLimit,         4);
+define_pd_global(intx, FLOATPRESSURE,                15);
+define_pd_global(intx, FreqInlineSize,               175);
+// 10 prevents spill-split-recycle sanity check in JVM2008.xml.transform.
+define_pd_global(intx, INTPRESSURE,                  10); // Medium size register set, 6 special purpose regs, 3 SOE regs.
+define_pd_global(intx, InteriorEntryAlignment,       2);
+define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
+define_pd_global(intx, RegisterCostAreaRatio,        12000);
+define_pd_global(bool, UseTLAB,                      true);
+define_pd_global(bool, ResizeTLAB,                   true);
+define_pd_global(intx, LoopUnrollLimit,              60);
+define_pd_global(intx, LoopPercentProfileLimit,      10);
+define_pd_global(intx, PostLoopMultiversioning,      false);
+define_pd_global(intx, MinJumpTableSize,             18);
+
+// Peephole and CISC spilling both break the graph, and so makes the
+// scheduler sick.
+define_pd_global(bool, OptoPeephole,                 false);
+define_pd_global(bool, UseCISCSpill,                 true);
+define_pd_global(bool, OptoBundling,                 false);
+define_pd_global(bool, OptoScheduling,               false);
+define_pd_global(bool, OptoRegScheduling,            false);
+define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);
+// On s390x, we can clear the array with a single instruction,
+// so don't idealize it.
+define_pd_global(bool, IdealizeClearArrayNode,       false);
+
+// InitialCodeCacheSize derived from specjbb2000 run.
+define_pd_global(uintx, InitialCodeCacheSize,        2048*K); // Integral multiple of CodeCacheExpansionSize
+define_pd_global(uintx, ReservedCodeCacheSize,       48*M);
+define_pd_global(uintx, NonProfiledCodeHeapSize,     21*M);
+define_pd_global(uintx, ProfiledCodeHeapSize,        22*M);
+define_pd_global(uintx, NonNMethodCodeHeapSize,      5*M);
+define_pd_global(uintx, CodeCacheExpansionSize,      64*K);
+
+// Ergonomics related flags
+define_pd_global(uint64_t, MaxRAM,                   128ULL*G);
+define_pd_global(uintx, CodeCacheMinBlockLength,     4);
+define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
+
+define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed on z/Architecture.
+
+// Heap related flags
+define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
+
+// Ergonomics related flags
+define_pd_global(bool, NeverActAsServerClassMachine, false);
+
+#endif // CPU_S390_VM_C2_GLOBALS_S390_HPP