diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/cpu/ppc/c2_globals_ppc.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/ppc/c2_globals_ppc.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 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_PPC_VM_C2_GLOBALS_PPC_HPP
+#define CPU_PPC_VM_C2_GLOBALS_PPC_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).
+
+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,            true);
+define_pd_global(intx, CompileThreshold,             10000);
+
+define_pd_global(intx, OnStackReplacePercentage,     140);
+define_pd_global(intx, ConditionalMoveLimit,         3);
+define_pd_global(intx, FLOATPRESSURE,                28);
+define_pd_global(intx, FreqInlineSize,               175);
+define_pd_global(intx, MinJumpTableSize,             10);
+define_pd_global(intx, INTPRESSURE,                  26);
+define_pd_global(intx, InteriorEntryAlignment,       16);
+define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
+define_pd_global(intx, RegisterCostAreaRatio,        16000);
+define_pd_global(bool, UseTLAB,                      true);
+define_pd_global(bool, ResizeTLAB,                   true);
+define_pd_global(intx, LoopUnrollLimit,              60);
+define_pd_global(intx, LoopPercentProfileLimit,      10);
+
+// Peephole and CISC spilling both break the graph, and so make 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, OptoRegScheduling,            false);
+define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);
+// GL:
+// Detected a problem with unscaled compressed oops and
+// narrow_oop_use_complex_address() == false.
+// -Djava.io.tmpdir=./tmp -jar SPECjvm2008.jar -ikv -wt 3 -it 3
+//   -bt 1 --base compiler.sunflow
+// fails in Lower.visitIf->translate->tranlate->translate and
+// throws an unexpected NPE. A load and a store seem to be
+// reordered.  Java reads about:
+//   loc = x.f
+//   x.f = 0
+//   NullCheck loc
+// While assembler reads:
+//   x.f = 0
+//   loc = x.f
+//   NullCheck loc
+define_pd_global(bool, OptoScheduling,               false);
+define_pd_global(bool, IdealizeClearArrayNode,       true);
+
+define_pd_global(intx, InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
+define_pd_global(intx, ReservedCodeCacheSize,        256*M);
+define_pd_global(intx, NonProfiledCodeHeapSize,      125*M);
+define_pd_global(intx, ProfiledCodeHeapSize,         126*M);
+define_pd_global(intx, NonNMethodCodeHeapSize,       5*M  );
+define_pd_global(intx, CodeCacheExpansionSize,       64*K);
+
+// Ergonomics related flags
+define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
+define_pd_global(uintx, CodeCacheMinBlockLength,     4);
+define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
+
+define_pd_global(bool,  TrapBasedRangeChecks,        true);
+
+// Heap related flags
+define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
+
+// Ergonomics related flags
+define_pd_global(bool, NeverActAsServerClassMachine, false);
+
+#endif // CPU_PPC_VM_C2_GLOBALS_PPC_HPP