aoqi@1: /* aoqi@1: * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. aoqi@1: * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved. aoqi@1: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@1: * aoqi@1: * This code is free software; you can redistribute it and/or modify it aoqi@1: * under the terms of the GNU General Public License version 2 only, as aoqi@1: * published by the Free Software Foundation. aoqi@1: * aoqi@1: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@1: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@1: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@1: * version 2 for more details (a copy is included in the LICENSE file that aoqi@1: * accompanied this code). aoqi@1: * aoqi@1: * You should have received a copy of the GNU General Public License version aoqi@1: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@1: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@1: * aoqi@1: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@1: * or visit www.oracle.com if you need additional information or have any aoqi@1: * questions. aoqi@1: * aoqi@1: */ aoqi@1: aoqi@1: #ifndef CPU_MIPS_VM_GLOBALS_MIPS_HPP aoqi@1: #define CPU_MIPS_VM_GLOBALS_MIPS_HPP aoqi@1: aoqi@1: #include "utilities/globalDefinitions.hpp" aoqi@1: #include "utilities/macros.hpp" aoqi@1: aoqi@1: // aoqi@1: // Sets the default values for platform dependent flags used by the runtime system. aoqi@1: // (see globals.hpp) aoqi@1: // aoqi@1: #ifdef CORE aoqi@1: define_pd_global(bool, UseSSE, 0); aoqi@1: #endif /* CORE */ aoqi@1: define_pd_global(bool, ConvertSleepToYield, true); aoqi@1: define_pd_global(bool, ShareVtableStubs, true); aoqi@1: define_pd_global(bool, CountInterpCalls, true); aoqi@1: aoqi@1: define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks aoqi@1: define_pd_global(bool, TrapBasedNullChecks, false); // Not needed on x86. aoqi@1: define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast aoqi@1: define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this aoqi@1: aoqi@1: // See 4827828 for this change. There is no globals_core_i486.hpp. I can't aoqi@1: // assign a different value for C2 without touching a number of files. Use aoqi@1: // #ifdef to minimize the change as it's late in Mantis. -- FIXME. aoqi@1: // c1 doesn't have this problem because the fix to 4858033 assures us aoqi@1: // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns aoqi@1: // the uep and the vep doesn't get real alignment but just slops on by aoqi@1: // only assured that the entry instruction meets the 5 byte size requirement. aoqi@1: define_pd_global(intx, CodeEntryAlignment, 32); aoqi@1: define_pd_global(intx, OptoLoopAlignment, 16); aoqi@1: define_pd_global(intx, InlineFrequencyCount, 100); Jin@10: define_pd_global(intx, InlineSmallCode, 4000); // 2016/5/11 Jin: MIPS generates 3x instructions than X86 aoqi@1: aoqi@1: define_pd_global(uintx, TLABSize, 0); aoqi@1: define_pd_global(uintx, NewSize, 1024 * K); aoqi@1: define_pd_global(intx, PreInflateSpin, 10); aoqi@1: aoqi@1: define_pd_global(intx, PrefetchCopyIntervalInBytes, -1); aoqi@1: define_pd_global(intx, PrefetchScanIntervalInBytes, -1); aoqi@1: define_pd_global(intx, PrefetchFieldsAhead, -1); aoqi@1: aoqi@1: define_pd_global(intx, StackYellowPages, 2); aoqi@1: define_pd_global(intx, StackRedPages, 1); aoqi@1: define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); aoqi@1: aoqi@1: define_pd_global(bool, RewriteBytecodes, true); aoqi@1: define_pd_global(bool, RewriteFrequentPairs, true); aoqi@1: #ifdef _ALLBSD_SOURCE aoqi@1: define_pd_global(bool, UseMembar, true); aoqi@1: #else aoqi@1: define_pd_global(bool, UseMembar, false); aoqi@1: #endif aoqi@1: // GC Ergo Flags aoqi@1: define_pd_global(intx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread aoqi@1: aoqi@1: define_pd_global(uintx, TypeProfileLevel, 111); aoqi@1: aoqi@1: // Only c2 cares about this at the moment aoqi@1: define_pd_global(intx, AllocatePrefetchStyle, 2); aoqi@1: define_pd_global(intx, AllocatePrefetchDistance, -1); aoqi@1: aoqi@1: #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \ aoqi@1: \ aoqi@1: develop(bool, IEEEPrecision, true, \ aoqi@1: "Enables IEEE precision (for INTEL only)") \ aoqi@1: \ aoqi@1: product(intx, FenceInstruction, 0, \ aoqi@1: "(Unsafe,Unstable) Experimental") \ aoqi@1: \ aoqi@1: product(intx, ReadPrefetchInstr, 0, \ aoqi@1: "Prefetch instruction to prefetch ahead") \ aoqi@1: \ aoqi@1: product(bool, UseStoreImmI16, true, \ aoqi@1: "Use store immediate 16-bits value instruction on x86") \ aoqi@1: \ aoqi@1: product(intx, UseAVX, 99, \ aoqi@1: "Highest supported AVX instructions set on x86/x64") \ aoqi@1: \ aoqi@1: diagnostic(bool, UseIncDec, true, \ aoqi@1: "Use INC, DEC instructions on x86") \ aoqi@1: \ aoqi@1: product(bool, UseNewLongLShift, false, \ aoqi@1: "Use optimized bitwise shift left") \ aoqi@1: \ aoqi@1: product(bool, UseAddressNop, false, \ aoqi@1: "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ aoqi@1: \ aoqi@1: product(bool, UseXmmLoadAndClearUpper, true, \ aoqi@1: "Load low part of XMM register and clear upper part") \ aoqi@1: \ aoqi@1: product(bool, UseXmmRegToRegMoveAll, false, \ aoqi@1: "Copy all XMM register bits when moving value between registers") \ aoqi@1: \ aoqi@1: product(bool, UseXmmI2D, false, \ aoqi@1: "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ aoqi@1: \ aoqi@1: product(bool, UseXmmI2F, false, \ aoqi@1: "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ aoqi@1: \ aoqi@1: product(bool, UseUnalignedLoadStores, false, \ aoqi@1: "Use SSE2 MOVDQU instruction for Arraycopy") \ aoqi@1: \ aoqi@1: /* assembler */ \ aoqi@1: product(bool, Use486InstrsOnly, false, \ aoqi@1: "Use 80486 Compliant instruction subset") \ aoqi@1: \ aoqi@1: product(bool, UseCountLeadingZerosInstruction, false, \ aoqi@1: "Use count leading zeros instruction") \ aoqi@1: \ aoqi@1: /* 2014/04/22 Fu: Added to improve the startup performance */ \ aoqi@1: product(intx, MaxCompileQueueSize, 64, \ aoqi@1: "The maximum size of compile queue") \ aoqi@1: \ aoqi@1: /* 2014/07/07 Fu: Added to implement the size-and-speed scheduling */ \ aoqi@1: product(intx, FactorOfSizeScheduling, 90, \ aoqi@1: "The impact factor of size in the size-and-speed scheduling") \ aoqi@1: \ aoqi@1: product(intx, MinWatchTime, 800, \ aoqi@1: "The min time to determine whether to remove a task in queue") \ aoqi@1: \ aoqi@1: product(intx, MinUpdateTime, 5, \ aoqi@1: "The min time to update the speed of a method") \ aoqi@1: \ aoqi@1: /* Use Restricted Transactional Memory for lock eliding */ \ aoqi@1: experimental(bool, UseRTMLocking, false, \ aoqi@1: "Enable RTM lock eliding for inflated locks in compiled code") \ aoqi@1: \ aoqi@1: experimental(bool, UseRTMForStackLocks, false, \ aoqi@1: "Enable RTM lock eliding for stack locks in compiled code") \ aoqi@1: \ aoqi@1: experimental(bool, UseRTMDeopt, false, \ aoqi@1: "Perform deopt and recompilation based on RTM abort ratio") \ aoqi@1: \ aoqi@1: experimental(uintx, RTMRetryCount, 5, \ aoqi@1: "Number of RTM retries on lock abort or busy") \ aoqi@1: \ aoqi@1: experimental(intx, RTMSpinLoopCount, 100, \ aoqi@1: "Spin count for lock to become free before RTM retry") \ aoqi@1: \ aoqi@1: experimental(intx, RTMAbortThreshold, 1000, \ aoqi@1: "Calculate abort ratio after this number of aborts") \ aoqi@1: \ aoqi@1: experimental(intx, RTMLockingThreshold, 10000, \ aoqi@1: "Lock count at which to do RTM lock eliding without " \ aoqi@1: "abort ratio calculation") \ aoqi@1: \ aoqi@1: experimental(intx, RTMAbortRatio, 50, \ aoqi@1: "Lock abort ratio at which to stop use RTM lock eliding") \ aoqi@1: \ aoqi@1: experimental(intx, RTMTotalCountIncrRate, 64, \ aoqi@1: "Increment total RTM attempted lock count once every n times") \ aoqi@1: \ aoqi@1: experimental(intx, RTMLockingCalculationDelay, 0, \ aoqi@1: "Number of milliseconds to wait before start calculating aborts " \ aoqi@1: "for RTM locking") \ aoqi@1: \ aoqi@1: experimental(bool, UseRTMXendForLockBusy, true, \ aoqi@1: "Use RTM Xend instead of Xabort when lock busy") \ aoqi@1: \ aoqi@1: product(intx, MaxUpdateTime, 80, \ aoqi@1: "The max time to update the speed of a method") \ aoqi@1: \ aoqi@1: product(intx, InvocationOldThreshold, 12000, \ aoqi@1: "The invocation counter threshold for an old method") \ aoqi@1: \ aoqi@1: product(intx, LoopOldThreshold, 20000, \ aoqi@1: "The backedge counter threshold for an old method") \ aoqi@1: \ aoqi@1: product(bool, UseCountTrailingZerosInstruction, false, \ aoqi@1: "Use count trailing zeros instruction") \ aoqi@1: \ aoqi@1: product(bool, UseBMI1Instructions, false, \ aoqi@1: "Use BMI instructions") aoqi@1: aoqi@1: #endif // CPU_MIPS_VM_GLOBALS_MIPS_HPP aoqi@1: