--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/arm/c2_globals_arm.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2008, 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.
+ *
+ */
+
+#ifndef CPU_ARM_VM_C2_GLOBALS_ARM_HPP
+#define CPU_ARM_VM_C2_GLOBALS_ARM_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).  Alpha-sorted.
+
+define_pd_global(bool, BackgroundCompilation,        true);
+define_pd_global(bool, CICompileOSR,                 true);
+define_pd_global(bool, InlineIntrinsics,             false);
+define_pd_global(bool, PreferInterpreterNativeStubs, false);
+define_pd_global(bool, ProfileTraps,                 true);
+define_pd_global(bool, UseOnStackReplacement,        true);
+define_pd_global(bool, ProfileInterpreter,           true);
+#ifdef AARCH64
+define_pd_global(bool, TieredCompilation,            trueInTiered);
+#else
+define_pd_global(bool, TieredCompilation,            false);
+#endif
+define_pd_global(intx, CompileThreshold,             10000);
+
+define_pd_global(intx, OnStackReplacePercentage,     140);
+define_pd_global(intx, ConditionalMoveLimit,         4);
+// C2 gets to use all the float/double registers
+#ifdef AARCH64
+define_pd_global(intx, FLOATPRESSURE,                31);
+#else
+define_pd_global(intx, FLOATPRESSURE,                30);
+#endif
+define_pd_global(intx, FreqInlineSize,               175);
+#ifdef AARCH64
+define_pd_global(intx, INTPRESSURE,                  27);
+#else
+define_pd_global(intx, INTPRESSURE,                  12);
+#endif
+define_pd_global(intx, InteriorEntryAlignment,       16);  // = CodeEntryAlignment
+define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
+// The default setting 16/16 seems to work best.
+// (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.)
+//define_pd_global(intx, OptoLoopAlignment,            16);  // = 4*wordSize
+define_pd_global(intx, RegisterCostAreaRatio,        16000);
+define_pd_global(bool, UseTLAB,                      true);
+define_pd_global(bool, ResizeTLAB,                   true);
+define_pd_global(intx, LoopUnrollLimit,              60); // Design center runs on 1.3.1
+define_pd_global(intx, LoopPercentProfileLimit,      10);
+define_pd_global(intx, MinJumpTableSize,             16);
+
+// 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,                 false);
+define_pd_global(bool, OptoBundling,                 false);
+define_pd_global(bool, OptoScheduling,               true);
+define_pd_global(bool, OptoRegScheduling,            false);
+define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);
+define_pd_global(bool, IdealizeClearArrayNode,       true);
+
+#ifdef _LP64
+// We need to make sure that all generated code is within
+// 2 gigs of the libjvm.so runtime routines so we can use
+// the faster "call" instruction rather than the expensive
+// sequence of instructions to load a 64 bit pointer.
+//
+// InitialCodeCacheSize derived from specjbb2000 run.
+define_pd_global(size_t, InitialCodeCacheSize,       2048*K); // Integral multiple of CodeCacheExpansionSize
+define_pd_global(size_t, ReservedCodeCacheSize,      48*M);
+define_pd_global(size_t, NonProfiledCodeHeapSize,    21*M);
+define_pd_global(size_t, ProfiledCodeHeapSize,       22*M);
+define_pd_global(size_t, NonNMethodCodeHeapSize,     5*M );
+define_pd_global(size_t, CodeCacheExpansionSize,     64*K);
+
+// Ergonomics related flags
+define_pd_global(uint64_t, MaxRAM,                   128ULL*G);
+#else
+// InitialCodeCacheSize derived from specjbb2000 run.
+define_pd_global(size_t, InitialCodeCacheSize,       1536*K); // Integral multiple of CodeCacheExpansionSize
+define_pd_global(size_t, ReservedCodeCacheSize,      32*M);
+define_pd_global(size_t, NonProfiledCodeHeapSize,    13*M);
+define_pd_global(size_t, ProfiledCodeHeapSize,       14*M);
+define_pd_global(size_t, NonNMethodCodeHeapSize,     5*M );
+define_pd_global(size_t, CodeCacheExpansionSize,     32*K);
+// Ergonomics related flags
+define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
+#endif
+define_pd_global(uintx, CodeCacheMinBlockLength,     4);
+define_pd_global(size_t, CodeCacheMinimumUseSpace,   400*K);
+
+define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed
+
+// Heap related flags
+define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
+
+// Ergonomics related flags
+define_pd_global(bool, NeverActAsServerClassMachine, false);
+
+#endif // CPU_ARM_VM_C2_GLOBALS_ARM_HPP