hotspot/src/share/vm/opto/c2_globals.hpp
author jlaskey
Tue, 23 Jul 2013 12:00:29 -0300
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permissions -rw-r--r--
8021130: Comments need to be tokens Reviewed-by: lagergren, attila Contributed-by: james.laskey@oracle.com
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/*
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 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_OPTO_C2_GLOBALS_HPP
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#define SHARE_VM_OPTO_C2_GLOBALS_HPP
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#include "runtime/globals.hpp"
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#ifdef TARGET_ARCH_x86
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# include "c2_globals_x86.hpp"
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#endif
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#ifdef TARGET_ARCH_sparc
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# include "c2_globals_sparc.hpp"
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#endif
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#ifdef TARGET_ARCH_arm
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# include "c2_globals_arm.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_linux
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# include "c2_globals_linux.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_solaris
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# include "c2_globals_solaris.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_windows
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# include "c2_globals_windows.hpp"
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#endif
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#ifdef TARGET_OS_FAMILY_bsd
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# include "c2_globals_bsd.hpp"
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#endif
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//
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// Defines all globals flags used by the server compiler.
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//
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#define C2_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct) \
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                                                                            \
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  develop(bool, StressLCM, false,                                           \
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          "Randomize instruction scheduling in LCM")                        \
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                                                                            \
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  develop(bool, StressGCM, false,                                           \
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          "Randomize instruction scheduling in GCM")                        \
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                                                                            \
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  notproduct(intx, CompileZapFirst, 0,                                      \
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          "If +ZapDeadCompiledLocals, "                                     \
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          "skip this many before compiling in zap calls")                   \
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                                                                            \
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  notproduct(intx, CompileZapLast, -1,                                      \
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          "If +ZapDeadCompiledLocals, "                                     \
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          "compile this many after skipping (incl. skip count, -1 = all)")  \
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                                                                            \
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  notproduct(intx, ZapDeadCompiledLocalsFirst, 0,                           \
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          "If +ZapDeadCompiledLocals, "                                     \
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          "skip this many before really doing it")                          \
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                                                                            \
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  notproduct(intx, ZapDeadCompiledLocalsLast, -1,                           \
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          "If +ZapDeadCompiledLocals, "                                     \
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          "do this many after skipping (incl. skip count, -1 = all)")       \
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                                                                            \
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  develop(intx, OptoPrologueNops, 0,                                        \
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          "Insert this many extra nop instructions "                        \
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          "in the prologue of every nmethod")                               \
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                                                                            \
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  product_pd(intx, InteriorEntryAlignment,                                  \
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          "Code alignment for interior entry points "                       \
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          "in generated code (in bytes)")                                   \
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                                                                            \
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  product(intx, MaxLoopPad, (OptoLoopAlignment-1),                          \
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          "Align a loop if padding size in bytes is less or equal to this value") \
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                                                                            \
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  product(intx, MaxVectorSize, 32,                                          \
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          "Max vector size in bytes, "                                      \
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          "actual size could be less depending on elements type")           \
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                                                                            \
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  product(bool, AlignVector, true,                                          \
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          "Perform vector store/load alignment in loop")                    \
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                                                                            \
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  product(intx, NumberOfLoopInstrToAlign, 4,                                \
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          "Number of first instructions in a loop to align")                \
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                                                                            \
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  notproduct(intx, IndexSetWatch, 0,                                        \
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          "Trace all operations on this IndexSet (-1 means all, 0 none)")   \
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                                                                            \
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  develop(intx, OptoNodeListSize, 4,                                        \
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          "Starting allocation size of Node_List data structures")          \
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                                                                            \
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  develop(intx, OptoBlockListSize, 8,                                       \
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          "Starting allocation size of Block_List data structures")         \
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                                                                            \
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  develop(intx, OptoPeepholeAt, -1,                                         \
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          "Apply peephole optimizations to this peephole rule")             \
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                                                                            \
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  notproduct(bool, PrintIdeal, false,                                       \
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          "Print ideal graph before code generation")                       \
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                                                                            \
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  notproduct(bool, PrintOpto, false,                                        \
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          "Print compiler2 attempts")                                       \
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                                                                            \
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  notproduct(bool, PrintOptoInlining, false,                                \
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          "Print compiler2 inlining decisions")                             \
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                                                                            \
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  notproduct(bool, VerifyOpto, false,                                       \
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          "Apply more time consuming verification during compilation")      \
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                                                                            \
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  notproduct(bool, VerifyIdealNodeCount, false,                             \
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          "Verify that tracked dead ideal node count is accurate")          \
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                                                                            \
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  notproduct(bool, PrintIdealNodeCount, false,                              \
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          "Print liveness counts of ideal nodes")                           \
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                                                                            \
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  notproduct(bool, VerifyOptoOopOffsets, false,                             \
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          "Check types of base addresses in field references")              \
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                                                                            \
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  develop(bool, IdealizedNumerics, false,                                   \
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          "Check performance difference allowing FP "                       \
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          "associativity and commutativity...")                             \
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                                                                            \
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  develop(bool, OptoBreakpoint, false,                                      \
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          "insert breakpoint at method entry")                              \
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                                                                            \
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  notproduct(bool, OptoBreakpointOSR, false,                                \
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          "insert breakpoint at osr method entry")                          \
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                                                                            \
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  notproduct(intx, BreakAtNode, 0,                                          \
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          "Break at construction of this Node (either _idx or _debug_idx)") \
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                                                                            \
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  notproduct(bool, OptoBreakpointC2R, false,                                \
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          "insert breakpoint at runtime stub entry")                        \
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                                                                            \
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  notproduct(bool, OptoNoExecute, false,                                    \
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          "Attempt to parse and compile but do not execute generated code") \
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                                                                            \
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  notproduct(bool, PrintOptoStatistics, false,                              \
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          "Print New compiler statistics")                                  \
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                                                                            \
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  notproduct(bool, PrintOptoAssembly, false,                                \
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          "Print New compiler assembly output")                             \
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                                                                            \
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  develop_pd(bool, OptoPeephole,                                            \
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          "Apply peephole optimizations after register allocation")         \
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                                                                            \
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  develop(bool, OptoRemoveUseless, true,                                    \
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          "Remove useless nodes after parsing")                             \
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                                                                            \
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  notproduct(bool, PrintFrameConverterAssembly, false,                      \
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          "Print New compiler assembly output for frame converters")        \
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                                                                            \
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  notproduct(bool, PrintParseStatistics, false,                             \
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          "Print nodes, transforms and new values made per bytecode parsed")\
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                                                                            \
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  notproduct(bool, PrintOptoPeephole, false,                                \
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          "Print New compiler peephole replacements")                       \
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                                                                            \
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   173
  develop(bool, PrintCFGBlockFreq, false,                                   \
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   174
          "Print CFG block freqencies")                                     \
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   175
                                                                            \
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   176
  develop(bool, TraceOptoParse, false,                                      \
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   177
          "Trace bytecode parse and control-flow merge")                    \
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   178
                                                                            \
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   179
  product_pd(intx,  LoopUnrollLimit,                                        \
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   180
          "Unroll loop bodies with node count less than this")              \
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   181
                                                                            \
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   182
  product(intx,  LoopUnrollMin, 4,                                          \
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   183
          "Minimum number of unroll loop bodies before checking progress"   \
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   184
          "of rounds of unroll,optimize,..")                                \
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   185
                                                                            \
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   186
  develop(intx, UnrollLimitForProfileCheck, 1,                              \
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   187
          "Don't use profile_trip_cnt() to restrict unrolling until "       \
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   188
          "unrolling would push the number of unrolled iterations above "   \
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   189
          "UnrollLimitForProfileCheck. A higher value allows more "         \
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   190
          "unrolling. Zero acts as a very large value." )                   \
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   191
                                                                            \
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   192
  product(intx, MultiArrayExpandLimit, 6,                                   \
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   193
          "Maximum number of individual allocations in an inline-expanded " \
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   194
          "multianewarray instruction")                                     \
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   195
                                                                            \
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   196
  notproduct(bool, TraceProfileTripCount, false,                            \
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   197
          "Trace profile loop trip count information")                      \
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   198
                                                                            \
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   199
  product(bool, UseLoopPredicate, true,                                     \
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   200
          "Generate a predicate to select fast/slow loop versions")         \
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   201
                                                                            \
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   202
  develop(bool, TraceLoopPredicate, false,                                  \
61c659c91c57 6894779: Loop Predication for Loop Optimizer in C2
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   203
          "Trace generation of loop predicates")                            \
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   204
                                                                            \
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   205
  develop(bool, TraceLoopOpts, false,                                       \
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   206
          "Trace executed loop optimizations")                              \
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   207
                                                                            \
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   208
  diagnostic(bool, LoopLimitCheck, true,                                    \
748a37b25d10 5091921: Sign flip issues in loop optimizer
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   209
          "Generate a loop limits check for overflow")                      \
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   210
                                                                            \
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   211
  develop(bool, TraceLoopLimitCheck, false,                                 \
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   212
          "Trace generation of loop limits checks")                         \
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   213
                                                                            \
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   214
  diagnostic(bool, RangeLimitCheck, true,                                   \
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   215
          "Additional overflow checks during range check elimination")      \
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   216
                                                                            \
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   217
  develop(bool, TraceRangeLimitCheck, false,                                \
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   218
          "Trace additional overflow checks in RCE")                        \
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   219
                                                                            \
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   220
  diagnostic(bool, UnrollLimitCheck, true,                                  \
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   221
          "Additional overflow checks during loop unroll")                  \
748a37b25d10 5091921: Sign flip issues in loop optimizer
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   222
                                                                            \
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parents: 10565
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   223
  product(bool, OptimizeFill, true,                                         \
6433
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   224
          "convert fill/copy loops into intrinsic")                         \
b0e4fafdc38b 4809552: Optimize Arrays.fill(...)
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   225
                                                                            \
b0e4fafdc38b 4809552: Optimize Arrays.fill(...)
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   226
  develop(bool, TraceOptimizeFill, false,                                   \
b0e4fafdc38b 4809552: Optimize Arrays.fill(...)
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   227
          "print detailed information about fill conversion")               \
b0e4fafdc38b 4809552: Optimize Arrays.fill(...)
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diff changeset
   228
                                                                            \
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   229
  develop(bool, OptoCoalesce, true,                                         \
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   230
          "Use Conservative Copy Coalescing in the Register Allocator")     \
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   231
                                                                            \
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   232
  develop(bool, UseUniqueSubclasses, true,                                  \
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   233
          "Narrow an abstract reference to the unique concrete subclass")   \
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   234
                                                                            \
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   235
  develop(bool, UseExactTypes, true,                                        \
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   236
          "Use exact types to eliminate array store checks and v-calls")    \
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   237
                                                                            \
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   238
  product(intx, TrackedInitializationLimit, 50,                             \
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   239
          "When initializing fields, track up to this many words")          \
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   240
                                                                            \
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   241
  product(bool, ReduceFieldZeroing, true,                                   \
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   242
          "When initializing fields, try to avoid needless zeroing")        \
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   243
                                                                            \
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   244
  product(bool, ReduceInitialCardMarks, true,                               \
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   245
          "When initializing fields, try to avoid needless card marks")     \
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   246
                                                                            \
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   247
  product(bool, ReduceBulkZeroing, true,                                    \
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   248
          "When bulk-initializing, try to avoid needless zeroing")          \
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   249
                                                                            \
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   250
  product(bool, UseFPUForSpilling, false,                                   \
94a20ad0e9de 6978249: spill between cpu and fpu registers when those moves are fast
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diff changeset
   251
          "Spill integer registers to FPU instead of stack when possible")  \
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   252
                                                                            \
1
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   253
  develop_pd(intx, RegisterCostAreaRatio,                                   \
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   254
          "Spill selection in reg allocator: scale area by (X/64K) before " \
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   255
          "adding cost")                                                    \
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   256
                                                                            \
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   257
  develop_pd(bool, UseCISCSpill,                                            \
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   258
          "Use ADLC supplied cisc instructions during allocation")          \
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   259
                                                                            \
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   260
  notproduct(bool, VerifyGraphEdges , false,                                \
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   261
          "Verify Bi-directional Edges")                                    \
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   262
                                                                            \
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   263
  notproduct(bool, VerifyDUIterators, true,                                 \
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   264
          "Verify the safety of all iterations of Bi-directional Edges")    \
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   265
                                                                            \
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   266
  notproduct(bool, VerifyHashTableKeys, true,                               \
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   267
          "Verify the immutability of keys in the VN hash tables")          \
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diff changeset
   268
                                                                            \
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5510e7394f2d 6782232: assert("CreateEx must be first instruction in block" )
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diff changeset
   269
  notproduct(bool, VerifyRegisterAllocator , false,                         \
5510e7394f2d 6782232: assert("CreateEx must be first instruction in block" )
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   270
          "Verify Register Allocator")                                      \
5510e7394f2d 6782232: assert("CreateEx must be first instruction in block" )
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   271
                                                                            \
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   272
  develop_pd(intx, FLOATPRESSURE,                                           \
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   273
          "Number of float LRG's that constitute high register pressure")   \
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   274
                                                                            \
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   275
  develop_pd(intx, INTPRESSURE,                                             \
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   276
          "Number of integer LRG's that constitute high register pressure") \
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   277
                                                                            \
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   278
  notproduct(bool, TraceOptoPipelining, false,                              \
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   279
          "Trace pipelining information")                                   \
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   280
                                                                            \
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   281
  notproduct(bool, TraceOptoOutput, false,                                  \
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   282
          "Trace pipelining information")                                   \
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   283
                                                                            \
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   284
  product_pd(bool, OptoScheduling,                                          \
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   285
          "Instruction Scheduling after register allocation")               \
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   286
                                                                            \
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   287
  product(bool, PartialPeelLoop, true,                                      \
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   288
          "Partial peel (rotate) loops")                                    \
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   289
                                                                            \
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   290
  product(intx, PartialPeelNewPhiDelta, 0,                                  \
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   291
          "Additional phis that can be created by partial peeling")         \
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   292
                                                                            \
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   293
  notproduct(bool, TracePartialPeeling, false,                              \
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   294
          "Trace partial peeling (loop rotation) information")              \
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   295
                                                                            \
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   296
  product(bool, PartialPeelAtUnsignedTests, true,                           \
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   297
          "Partial peel at unsigned tests if no signed test exists")        \
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   298
                                                                            \
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   299
  product(bool, ReassociateInvariants, true,                                \
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   300
          "Enable reassociation of expressions with loop invariants.")      \
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   301
                                                                            \
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   302
  product(bool, LoopUnswitching, true,                                      \
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   303
          "Enable loop unswitching (a form of invariant test hoisting)")    \
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   304
                                                                            \
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   305
  notproduct(bool, TraceLoopUnswitching, false,                             \
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diff changeset
   306
          "Trace loop unswitching")                                         \
489c9b5090e2 Initial load
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   307
                                                                            \
489c9b5090e2 Initial load
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   308
  product(bool, UseSuperWord, true,                                         \
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   309
          "Transform scalar operations into superword operations")          \
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   310
                                                                            \
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   311
  develop(bool, SuperWordRTDepCheck, false,                                 \
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   312
          "Enable runtime dependency checks.")                              \
489c9b5090e2 Initial load
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diff changeset
   313
                                                                            \
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parents: 13104
diff changeset
   314
  notproduct(bool, TraceSuperWord, false,                                   \
1
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   315
          "Trace superword transforms")                                     \
489c9b5090e2 Initial load
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diff changeset
   316
                                                                            \
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parents: 13104
diff changeset
   317
  notproduct(bool, TraceNewVectors, false,                                  \
6d27f658925c 7177923: SIGBUS on sparc in compiled code for java.util.Calendar.clear()
kvn
parents: 13104
diff changeset
   318
          "Trace creation of Vector nodes")                                 \
6d27f658925c 7177923: SIGBUS on sparc in compiled code for java.util.Calendar.clear()
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parents: 13104
diff changeset
   319
                                                                            \
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   320
  product_pd(bool, OptoBundling,                                            \
489c9b5090e2 Initial load
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diff changeset
   321
          "Generate nops to fill i-cache lines")                            \
489c9b5090e2 Initial load
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diff changeset
   322
                                                                            \
489c9b5090e2 Initial load
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diff changeset
   323
  product_pd(intx, ConditionalMoveLimit,                                    \
489c9b5090e2 Initial load
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diff changeset
   324
          "Limit of ops to make speculative when using CMOVE")              \
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diff changeset
   325
                                                                            \
489c9b5090e2 Initial load
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   326
  /* Set BranchOnRegister == false. See 4965987. */                         \
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diff changeset
   327
  product(bool, BranchOnRegister, false,                                    \
489c9b5090e2 Initial load
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diff changeset
   328
          "Use Sparc V9 branch-on-register opcodes")                        \
489c9b5090e2 Initial load
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parents:
diff changeset
   329
                                                                            \
489c9b5090e2 Initial load
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parents:
diff changeset
   330
  develop(bool, SparcV9RegsHiBitsZero, true,                                \
489c9b5090e2 Initial load
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parents:
diff changeset
   331
          "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \
489c9b5090e2 Initial load
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parents:
diff changeset
   332
                                                                            \
7433
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twisti
parents: 7397
diff changeset
   333
  product(bool, UseRDPCForConstantTableBase, false,                         \
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   334
          "Use Sparc RDPC instruction for the constant table base.")        \
b418028612ad 6961690: load oops from constant table on SPARC
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parents: 7397
diff changeset
   335
                                                                            \
1
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diff changeset
   336
  develop(intx, PrintIdealGraphLevel, 0,                                    \
489c9b5090e2 Initial load
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diff changeset
   337
          "Print ideal graph to XML file / network interface. "             \
489c9b5090e2 Initial load
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parents:
diff changeset
   338
          "By default attempts to connect to the visualizer on a socket.")  \
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diff changeset
   339
                                                                            \
489c9b5090e2 Initial load
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diff changeset
   340
  develop(intx, PrintIdealGraphPort, 4444,                                  \
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diff changeset
   341
          "Ideal graph printer to network port")                            \
489c9b5090e2 Initial load
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parents:
diff changeset
   342
                                                                            \
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parents: 1500
diff changeset
   343
  notproduct(ccstr, PrintIdealGraphAddress, "127.0.0.1",                    \
1
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diff changeset
   344
          "IP address to connect to visualizer")                            \
489c9b5090e2 Initial load
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parents:
diff changeset
   345
                                                                            \
1553
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parents: 1500
diff changeset
   346
  notproduct(ccstr, PrintIdealGraphFile, NULL,                              \
1
489c9b5090e2 Initial load
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parents:
diff changeset
   347
          "File to dump ideal graph to.  If set overrides the "             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   348
          "use of the network")                                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   349
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   350
  product(bool, UseOldInlining, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   351
          "Enable the 1.3 inlining strategy")                               \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   352
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   353
  product(bool, UseBimorphicInlining, true,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   354
          "Profiling based inlining for two receivers")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   355
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   356
  product(bool, UseOnlyInlinedBimorphic, true,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   357
          "Don't use BimorphicInlining if can't inline a second method")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   358
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   359
  product(bool, InsertMemBarAfterArraycopy, true,                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   360
          "Insert memory barrier after arraycopy call")                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   361
                                                                            \
6180
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   362
  develop(bool, SubsumeLoads, true,                                         \
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   363
          "Attempt to compile while subsuming loads into machine instructions.") \
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   364
                                                                            \
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   365
  develop(bool, StressRecompilation, false,                                 \
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   366
          "Recompile each compiled method without subsuming loads or escape analysis.") \
53c1bf468c81 6973963: SEGV in ciBlock::start_bci() with EA
kvn
parents: 5547
diff changeset
   367
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   368
  develop(intx, ImplicitNullCheckThreshold, 3,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   369
          "Don't do implicit null checks if NPE's in a method exceeds limit") \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   370
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   371
  product(intx, LoopOptsCount, 43,                                          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   372
          "Set level of loop optimization for tier 1 compiles")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   373
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  /* controls for heat-based inlining */                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   375
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   376
  develop(intx, NodeCountInliningCutoff, 18000,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   377
          "If parser node generation exceeds limit stop inlining")          \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   378
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   379
  develop(intx, NodeCountInliningStep, 1000,                                \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
          "Target size of warm calls inlined between optimization passes")  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   382
  develop(bool, InlineWarmCalls, false,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   383
          "Use a heat-based priority queue to govern inlining")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   384
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   385
  develop(intx, HotCallCountThreshold, 999999,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   386
          "large numbers of calls (per method invocation) force hotness")   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   387
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
  develop(intx, HotCallProfitThreshold, 999999,                             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
          "highly profitable inlining opportunities force hotness")         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   391
  develop(intx, HotCallTrivialWork, -1,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   392
          "trivial execution time (no larger than this) forces hotness")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   393
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   394
  develop(intx, HotCallTrivialSize, -1,                                     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   395
          "trivial methods (no larger than this) force calls to be hot")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   396
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   397
  develop(intx, WarmCallMinCount, -1,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   398
          "number of calls (per method invocation) to enable inlining")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   399
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   400
  develop(intx, WarmCallMinProfit, -1,                                      \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   401
          "number of calls (per method invocation) to enable inlining")     \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   402
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   403
  develop(intx, WarmCallMaxWork, 999999,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   404
          "execution time of the largest inlinable method")                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   406
  develop(intx, WarmCallMaxSize, 999999,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   407
          "size of the largest inlinable method")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   408
                                                                            \
18099
45973b036c3e 8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
drchase
parents: 17383
diff changeset
   409
  product(intx, MaxNodeLimit, 80000,                                        \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   410
          "Maximum number of nodes")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   411
                                                                            \
18099
45973b036c3e 8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
drchase
parents: 17383
diff changeset
   412
  product(intx, NodeLimitFudgeFactor, 2000,                                 \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   413
          "Fudge Factor for certain optimizations")                         \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   414
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   415
  product(bool, UseJumpTables, true,                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   416
          "Use JumpTables instead of a binary search tree for switches")    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   417
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   418
  product(bool, UseDivMod, true,                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   419
          "Use combined DivMod instruction if available")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   420
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   421
  product(intx, MinJumpTableSize, 18,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   422
          "Minimum number of targets in a generated jump table")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   423
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   424
  product(intx, MaxJumpTableSize, 65000,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   425
          "Maximum number of targets in a generated jump table")            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   426
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   427
  product(intx, MaxJumpTableSparseness, 5,                                  \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   428
          "Maximum sparseness for jumptables")                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   429
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   430
  product(bool, EliminateLocks, true,                                       \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   431
          "Coarsen locks when possible")                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   432
                                                                            \
11445
3c768dca60f5 7125896: Eliminate nested locks
kvn
parents: 11189
diff changeset
   433
  product(bool, EliminateNestedLocks, true,                                 \
3c768dca60f5 7125896: Eliminate nested locks
kvn
parents: 11189
diff changeset
   434
          "Eliminate nested locks of the same object when possible")        \
3c768dca60f5 7125896: Eliminate nested locks
kvn
parents: 11189
diff changeset
   435
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   436
  notproduct(bool, PrintLockStatistics, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   437
          "Print precise statistics on the dynamic lock usage")             \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   438
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   439
  diagnostic(bool, PrintPreciseBiasedLockingStatistics, false,              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   440
          "Print per-lock-site statistics of biased locking in JVM")        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   441
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   442
  notproduct(bool, PrintEliminateLocks, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   443
          "Print out when locks are eliminated")                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   444
                                                                            \
17383
3665c0901a0d 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 15871
diff changeset
   445
  product(bool, EliminateAutoBox, true,                                     \
3665c0901a0d 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 15871
diff changeset
   446
          "Control optimizations for autobox elimination")                  \
190
e9a0a9dcd4f6 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 1
diff changeset
   447
                                                                            \
e9a0a9dcd4f6 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 1
diff changeset
   448
  product(intx, AutoBoxCacheMax, 128,                                       \
e9a0a9dcd4f6 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 1
diff changeset
   449
          "Sets max value cached by the java.lang.Integer autobox cache")   \
e9a0a9dcd4f6 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
parents: 1
diff changeset
   450
                                                                            \
17383
3665c0901a0d 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 15871
diff changeset
   451
  experimental(bool, AggressiveUnboxing, false,                             \
3665c0901a0d 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 15871
diff changeset
   452
          "Control optimizations for aggressive boxing elimination")        \
3665c0901a0d 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 15871
diff changeset
   453
                                                                            \
3685
e14965d942e3 6873799: enable escape analysis by default
kvn
parents: 2340
diff changeset
   454
  product(bool, DoEscapeAnalysis, true,                                     \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   455
          "Perform escape analysis")                                        \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   456
                                                                            \
14133
c2e317724c4c 7163534: VM could crashes assert(false) failed: infinite EA connection graph build
kvn
parents: 13885
diff changeset
   457
  develop(bool, ExitEscapeAnalysisOnTimeout, true,                          \
c2e317724c4c 7163534: VM could crashes assert(false) failed: infinite EA connection graph build
kvn
parents: 13885
diff changeset
   458
          "Exit or throw assert in EA when it reaches time limit")          \
c2e317724c4c 7163534: VM could crashes assert(false) failed: infinite EA connection graph build
kvn
parents: 13885
diff changeset
   459
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   460
  notproduct(bool, PrintEscapeAnalysis, false,                              \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   461
          "Print the results of escape analysis")                           \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   462
                                                                            \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   463
  product(bool, EliminateAllocations, true,                                 \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   464
          "Use escape analysis to eliminate allocations")                   \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   465
                                                                            \
238
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   466
  notproduct(bool, PrintEliminateAllocations, false,                        \
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   467
          "Print out when allocations are eliminated")                      \
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   468
                                                                            \
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   469
  product(intx, EliminateAllocationArraySizeLimit, 64,                      \
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   470
          "Array size (number of elements) limit for scalar replacement")   \
803c80713999 6674588: (Escape Analysis) Improve Escape Analysis code
kvn
parents: 190
diff changeset
   471
                                                                            \
11189
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   472
  product(bool, OptimizePtrCompare, true,                                   \
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   473
          "Use escape analysis to optimize pointers compare")               \
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   474
                                                                            \
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   475
  notproduct(bool, PrintOptimizePtrCompare, false,                          \
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   476
          "Print information about optimized pointers compare")             \
c1ad8528ae68 7105605: Use EA info to optimize pointers compare
kvn
parents: 10963
diff changeset
   477
                                                                            \
12158
f24f2560da32 7147744: CTW: assert(false) failed: infinite EA connection graph build
kvn
parents: 11445
diff changeset
   478
  notproduct(bool, VerifyConnectionGraph , true,                            \
f24f2560da32 7147744: CTW: assert(false) failed: infinite EA connection graph build
kvn
parents: 11445
diff changeset
   479
          "Verify Connection Graph construction in Escape Analysis")        \
f24f2560da32 7147744: CTW: assert(false) failed: infinite EA connection graph build
kvn
parents: 11445
diff changeset
   480
                                                                            \
2340
cb47f8209cd8 6810845: Performance regression in mpegaudio on x64
kvn
parents: 2105
diff changeset
   481
  product(bool, UseOptoBiasInlining, true,                                  \
1500
bea9a90f3e8f 6462850: generate biased locking code in C2 ideal graph
kvn
parents: 1498
diff changeset
   482
          "Generate biased locking code in C2 ideal graph")                 \
bea9a90f3e8f 6462850: generate biased locking code in C2 ideal graph
kvn
parents: 1498
diff changeset
   483
                                                                            \
10963
77222140e9ad 7103784: enable some flags by default
never
parents: 10565
diff changeset
   484
  product(bool, OptimizeStringConcat, true,                                 \
4450
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   485
          "Optimize the construction of Strings by StringBuilder")          \
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   486
                                                                            \
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   487
  notproduct(bool, PrintOptimizeStringConcat, false,                        \
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   488
          "Print information about transformations performed on Strings")   \
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   489
                                                                            \
961
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 953
diff changeset
   490
  product(intx, ValueSearchLimit, 1000,                                     \
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 953
diff changeset
   491
          "Recursion limit in PhaseMacroExpand::value_from_mem_phi")        \
7fb3b13d4205 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents: 953
diff changeset
   492
                                                                            \
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
  product(intx, MaxLabelRootDepth, 1100,                                    \
489c9b5090e2 Initial load
duke
parents:
diff changeset
   494
          "Maximum times call Label_Root to prevent stack overflow")        \
581
02338c8a1bcf 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 238
diff changeset
   495
                                                                            \
02338c8a1bcf 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 238
diff changeset
   496
  diagnostic(intx, DominatorSearchLimit, 1000,                              \
02338c8a1bcf 6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents: 238
diff changeset
   497
          "Iterations limit in Node::dominates")                            \
1498
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   498
                                                                            \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   499
  product(bool, BlockLayoutByFrequency, true,                               \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   500
          "Use edge frequencies to drive block ordering")                   \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   501
                                                                            \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   502
  product(intx, BlockLayoutMinDiamondPercentage, 20,                        \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   503
          "Miniumum %% of a successor (predecessor) for which block layout "\
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   504
          "a will allow a fork (join) in a single chain")                   \
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   505
                                                                            \
2340
cb47f8209cd8 6810845: Performance regression in mpegaudio on x64
kvn
parents: 2105
diff changeset
   506
  product(bool, BlockLayoutRotateLoops, true,                               \
1498
346bf226078e 6743900: frequency based block layout
rasbold
parents: 965
diff changeset
   507
          "Allow back branches to be fall throughs in the block layour")    \
13521
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   508
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   509
  develop(bool, InlineReflectionGetCallerClass, true,                       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   510
          "inline sun.reflect.Reflection.getCallerClass(), known to be part "\
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   511
          "of base library DLL")                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   512
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   513
  develop(bool, InlineObjectCopy, true,                                     \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   514
          "inline Object.clone and Arrays.copyOf[Range] intrinsics")        \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   515
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   516
  develop(bool, SpecialStringCompareTo, true,                               \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   517
          "special version of string compareTo")                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   518
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   519
  develop(bool, SpecialStringIndexOf, true,                                 \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   520
          "special version of string indexOf")                              \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   521
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   522
  develop(bool, SpecialStringEquals, true,                                  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   523
          "special version of string equals")                               \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   524
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   525
  develop(bool, SpecialArraysEquals, true,                                  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   526
          "special version of Arrays.equals(char[],char[])")                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   527
                                                                            \
15242
695bb216be99 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents: 15113
diff changeset
   528
  product(bool, SpecialEncodeISOArray, true,                                \
695bb216be99 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents: 15113
diff changeset
   529
          "special version of ISO_8859_1$Encoder.encodeISOArray")           \
695bb216be99 6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents: 15113
diff changeset
   530
                                                                            \
13521
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   531
  develop(bool, BailoutToInterpreterForThrows, false,                       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   532
          "Compiled methods which throws/catches exceptions will be "       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   533
          "deopt and intp.")                                                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   534
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   535
  develop(bool, ConvertCmpD2CmpF, true,                                     \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   536
          "Convert cmpD to cmpF when one input is constant in float range") \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   537
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   538
  develop(bool, ConvertFloat2IntClipping, true,                             \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   539
          "Convert float2int clipping idiom to integer clipping")           \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   540
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   541
  develop(bool, Use24BitFPMode, true,                                       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   542
          "Set 24-bit FPU mode on a per-compile basis ")                    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   543
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   544
  develop(bool, Use24BitFP, true,                                           \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   545
          "use FP instructions that produce 24-bit precise results")        \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   546
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   547
  develop(bool, MonomorphicArrayCheck, true,                                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   548
          "Uncommon-trap array store checks that require full type check")  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   549
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   550
  notproduct(bool, TracePhaseCCP, false,                                    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   551
          "Print progress during Conditional Constant Propagation")         \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   552
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   553
  develop(bool, PrintDominators, false,                                     \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   554
          "Print out dominator trees for GVN")                              \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   555
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   556
  notproduct(bool, TraceSpilling, false,                                    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   557
          "Trace spilling")                                                 \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   558
                                                                            \
13884
1953ee3706c4 7198499: TraceTypeProfile as diagnostic option
twisti
parents: 13521
diff changeset
   559
  diagnostic(bool, TraceTypeProfile, false,                                 \
13521
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   560
          "Trace type profile")                                             \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   561
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   562
  develop(bool, PoisonOSREntry, true,                                       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   563
           "Detect abnormal calls to OSR code")                             \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   564
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   565
  product(bool, UseCondCardMark, false,                                     \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   566
          "Check for already marked card before updating card table")       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   567
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   568
  develop(bool, SoftMatchFailure, trueInProduct,                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   569
          "If the DFA fails to match a node, print a message and bail out") \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   570
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   571
  develop(bool, InlineAccessors, true,                                      \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   572
          "inline accessor methods (get/set)")                              \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   573
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   574
  product(intx, TypeProfileMajorReceiverPercent, 90,                        \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   575
          "% of major receiver type to all profiled receivers")             \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   576
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   577
  notproduct(bool, TimeCompiler2, false,                                    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   578
          "detailed time the compiler (requires +TimeCompiler)")            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   579
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   580
  diagnostic(bool, PrintIntrinsics, false,                                  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   581
          "prints attempted and successful inlining of intrinsics")         \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   582
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   583
  diagnostic(ccstrlist, DisableIntrinsic, "",                               \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   584
          "do not expand intrinsics whose (internal) names appear here")    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   585
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   586
  develop(bool, StressReflectiveCode, false,                                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   587
          "Use inexact types at allocations, etc., to test reflection")     \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   588
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   589
  diagnostic(bool, DebugInlinedCalls, true,                                 \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   590
         "If false, restricts profiled locations to the root method only")  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   591
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   592
  notproduct(bool, VerifyLoopOptimizations, false,                          \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   593
          "verify major loop optimizations")                                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   594
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   595
  diagnostic(bool, ProfileDynamicTypes, true,                               \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   596
          "do extra type profiling and use it more aggressively")           \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   597
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   598
  develop(bool, TraceIterativeGVN, false,                                   \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   599
          "Print progress during Iterative Global Value Numbering")         \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   600
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   601
  develop(bool, VerifyIterativeGVN, false,                                  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   602
          "Verify Def-Use modifications during sparse Iterative Global "    \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   603
          "Value Numbering")                                                \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   604
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   605
  notproduct(bool, TraceCISCSpill, false,                                   \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   606
          "Trace allocators use of cisc spillable instructions")            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   607
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   608
  product(bool, SplitIfBlocks, true,                                        \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   609
          "Clone compares and control flow through merge points to fold "   \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   610
          "some branches")                                                  \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   611
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   612
  develop(intx, FreqCountInvocations,  1,                                   \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   613
          "Scaling factor for branch frequencies (deprecated)")             \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   614
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   615
  product(intx, AliasLevel,     3,                                          \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   616
          "0 for no aliasing, 1 for oop/field/static/array split, "         \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   617
          "2 for class split, 3 for unique instances")                      \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   618
                                                                            \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   619
  develop(bool, VerifyAliases, false,                                       \
97a23be06f4e 6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents: 13108
diff changeset
   620
          "perform extra checks on the results of alias analysis")          \
15113
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   621
                                                                            \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   622
  product(bool, IncrementalInline, true,                                    \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   623
          "do post parse inlining")                                         \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   624
                                                                            \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   625
  develop(bool, AlwaysIncrementalInline, false,                             \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   626
          "do all inlining incrementally")                                  \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   627
                                                                            \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   628
  product(intx, LiveNodeCountInliningCutoff, 20000,                         \
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   629
          "max number of live nodes in a method")                           \
15618
3eb521896836 7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob
roland
parents: 15242
diff changeset
   630
                                                                            \
3eb521896836 7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob
roland
parents: 15242
diff changeset
   631
  diagnostic(bool, OptimizeExpensiveOps, true,                              \
3eb521896836 7197327: 40% regression on 8 b41 comp 8 b40 on specjvm2008.mpegaudio on oob
roland
parents: 15242
diff changeset
   632
          "Find best control for expensive operations")                     \
15113
823590505eb4 8005071: Incremental inlining for JSR 292
roland
parents: 14623
diff changeset
   633
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   634
4450
6d700b859b3e 6892658: C2 should optimize some stringbuilder patterns
never
parents: 3685
diff changeset
   635
C2_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG)
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6433
diff changeset
   636
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 6433
diff changeset
   637
#endif // SHARE_VM_OPTO_C2_GLOBALS_HPP