--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/aarch64/vm/globals_aarch64.hpp Tue Jan 20 11:34:17 2015 -0800
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, Red Hat Inc. 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_AARCH64_VM_GLOBALS_AARCH64_HPP
+#define CPU_AARCH64_VM_GLOBALS_AARCH64_HPP
+
+#include "utilities/globalDefinitions.hpp"
+#include "utilities/macros.hpp"
+
+// Sets the default values for platform dependent flags used by the runtime system.
+// (see globals.hpp)
+
+define_pd_global(bool, ConvertSleepToYield, true);
+define_pd_global(bool, ShareVtableStubs, true);
+define_pd_global(bool, CountInterpCalls, true);
+define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
+
+define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
+define_pd_global(bool, TrapBasedNullChecks, false);
+define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast
+
+// See 4827828 for this change. There is no globals_core_i486.hpp. I can't
+// assign a different value for C2 without touching a number of files. Use
+// #ifdef to minimize the change as it's late in Mantis. -- FIXME.
+// c1 doesn't have this problem because the fix to 4858033 assures us
+// the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
+// the uep and the vep doesn't get real alignment but just slops on by
+// only assured that the entry instruction meets the 5 byte size requirement.
+#ifdef COMPILER2
+define_pd_global(intx, CodeEntryAlignment, 64);
+#else
+define_pd_global(intx, CodeEntryAlignment, 16);
+#endif // COMPILER2
+define_pd_global(intx, OptoLoopAlignment, 16);
+define_pd_global(intx, InlineFrequencyCount, 100);
+
+define_pd_global(intx, StackYellowPages, 2);
+define_pd_global(intx, StackRedPages, 1);
+
+define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
+
+define_pd_global(intx, PreInflateSpin, 10);
+
+define_pd_global(bool, RewriteBytecodes, true);
+define_pd_global(bool, RewriteFrequentPairs, false);
+
+define_pd_global(bool, UseMembar, true);
+
+// GC Ergo Flags
+define_pd_global(uintx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread
+
+define_pd_global(uintx, TypeProfileLevel, 111);
+
+// avoid biased locking while we are bootstrapping the aarch64 build
+define_pd_global(bool, UseBiasedLocking, false);
+
+#if defined(COMPILER1) || defined(COMPILER2)
+define_pd_global(intx, InlineSmallCode, 1000);
+#endif
+
+#ifdef BUILTIN_SIM
+#define UseBuiltinSim true
+#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
+ \
+ product(bool, NotifySimulator, UseBuiltinSim, \
+ "tell the AArch64 sim where we are in method code") \
+ \
+ product(bool, UseSimulatorCache, false, \
+ "tell sim to cache memory updates until exclusive op occurs") \
+ \
+ product(bool, DisableBCCheck, true, \
+ "tell sim not to invoke bccheck callback") \
+ \
+ product(bool, NearCpool, true, \
+ "constant pool is close to instructions") \
+ \
+ notproduct(bool, UseAcqRelForVolatileFields, false, \
+ "Use acquire and release insns for volatile fields") \
+ \
+ product(bool, UseCRC32, false, \
+ "Use CRC32 instructions for CRC32 computation") \
+
+// Don't attempt to use Neon on builtin sim until builtin sim supports it
+#define UseCRC32 false
+
+#else
+#define UseBuiltinSim false
+#define NotifySimulator false
+#define UseSimulatorCache false
+#define DisableBCCheck true
+#define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \
+ \
+ product(bool, NearCpool, true, \
+ "constant pool is close to instructions") \
+ \
+ notproduct(bool, UseAcqRelForVolatileFields, false, \
+ "Use acquire and release insns for volatile fields") \
+ product(bool, UseNeon, false, \
+ "Use Neon for CRC32 computation") \
+ product(bool, UseCRC32, false, \
+ "Use CRC32 instructions for CRC32 computation") \
+ product(bool, TraceTraps, false, "Trace all traps the signal handler")
+
+#endif
+
+
+#endif // CPU_AARCH64_VM_GLOBALS_AARCH64_HPP