/* * Copyright (c) 2008, 2016, 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_GLOBALS_ARM_HPP#define CPU_ARM_VM_GLOBALS_ARM_HPP//// Sets the default values for platform dependent flags used by the runtime system.// (see globals.hpp)//define_pd_global(bool, ShareVtableStubs, true);define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checksdefine_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check castdefine_pd_global(bool, TrapBasedNullChecks, false); // Not neededdefine_pd_global(uintx, CodeCacheSegmentSize, 64 TIERED_ONLY(+64)); // Tiered compilation has large code-entry alignment.define_pd_global(intx, CodeEntryAlignment, 16);define_pd_global(intx, OptoLoopAlignment, 16);define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this#define DEFAULT_STACK_YELLOW_PAGES (2)#define DEFAULT_STACK_RED_PAGES (1)#define DEFAULT_STACK_SHADOW_PAGES (5 DEBUG_ONLY(+1))#define DEFAULT_STACK_RESERVED_PAGES (0)#define MIN_STACK_YELLOW_PAGES DEFAULT_STACK_YELLOW_PAGES#define MIN_STACK_RED_PAGES DEFAULT_STACK_RED_PAGES#define MIN_STACK_SHADOW_PAGES DEFAULT_STACK_SHADOW_PAGES#define MIN_STACK_RESERVED_PAGES (0)define_pd_global(intx, StackYellowPages, DEFAULT_STACK_YELLOW_PAGES);define_pd_global(intx, StackRedPages, DEFAULT_STACK_RED_PAGES);define_pd_global(intx, StackShadowPages, DEFAULT_STACK_SHADOW_PAGES);define_pd_global(intx, StackReservedPages, DEFAULT_STACK_RESERVED_PAGES);define_pd_global(intx, InlineFrequencyCount, 50);#if defined(COMPILER1) || defined(COMPILER2)define_pd_global(intx, InlineSmallCode, 1500);#endifdefine_pd_global(bool, RewriteBytecodes, true);define_pd_global(bool, RewriteFrequentPairs, true);define_pd_global(bool, UseMembar, true);define_pd_global(bool, PreserveFramePointer, false);// GC Ergo Flagsdefine_pd_global(size_t, CMSYoungGenPerWorker, 16*M); // default max size of CMS young gen, per GC worker threaddefine_pd_global(uintx, TypeProfileLevel, 0);// No performance work done here yet.define_pd_global(bool, CompactStrings, false);define_pd_global(intx, InitArrayShortSize, 8*BytesPerLong);#define ARCH_FLAGS(develop, \ product, \ diagnostic, \ experimental, \ notproduct, \ range, \ constraint, \ writeable) \ \ develop(bool, VerifyInterpreterStackTop, false, \ "Verify interpreter stack top at every stack expansion (AArch64 only)") \ \ develop(bool, ZapHighNonSignificantBits, false, \ "Zap high non-significant bits of values (AArch64 only)") \ \#endif // CPU_ARM_VM_GLOBALS_ARM_HPP