Mercurial > hg > truffle
view src/share/vm/opto/c2_globals.hpp @ 196:d1605aabd0a1 jdk7-b30
6719955: Update copyright year
Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
| author | xdono |
|---|---|
| date | Wed, 02 Jul 2008 12:55:16 -0700 |
| parents | 723be81c1212 |
| children | 4a4c365f777d |
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/* * Copyright 2000-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // // Defines all globals flags used by the server compiler. // #define C2_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \ \ notproduct(intx, CompileZapFirst, 0, \ "If +ZapDeadCompiledLocals, " \ "skip this many before compiling in zap calls") \ \ notproduct(intx, CompileZapLast, -1, \ "If +ZapDeadCompiledLocals, " \ "compile this many after skipping (incl. skip count, -1 = all)") \ \ notproduct(intx, ZapDeadCompiledLocalsFirst, 0, \ "If +ZapDeadCompiledLocals, " \ "skip this many before really doing it") \ \ notproduct(intx, ZapDeadCompiledLocalsLast, -1, \ "If +ZapDeadCompiledLocals, " \ "do this many after skipping (incl. skip count, -1 = all)") \ \ develop(intx, OptoPrologueNops, 0, \ "Insert this many extra nop instructions " \ "in the prologue of every nmethod") \ \ product_pd(intx, InteriorEntryAlignment, \ "Code alignment for interior entry points " \ "in generated code (in bytes)") \ \ product_pd(intx, OptoLoopAlignment, \ "Align inner loops to zero relative to this modulus") \ \ product(intx, MaxLoopPad, (OptoLoopAlignment-1), \ "Align a loop if padding size in bytes is less or equal to this value") \ \ product(intx, NumberOfLoopInstrToAlign, 4, \ "Number of first instructions in a loop to align") \ \ notproduct(intx, IndexSetWatch, 0, \ "Trace all operations on this IndexSet (-1 means all, 0 none)") \ \ develop(intx, OptoNodeListSize, 4, \ "Starting allocation size of Node_List data structures") \ \ develop(intx, OptoBlockListSize, 8, \ "Starting allocation size of Block_List data structures") \ \ develop(intx, OptoPeepholeAt, -1, \ "Apply peephole optimizations to this peephole rule") \ \ notproduct(bool, PrintIdeal, false, \ "Print ideal graph before code generation") \ \ notproduct(bool, PrintOpto, false, \ "Print compiler2 attempts") \ \ notproduct(bool, PrintOptoInlining, false, \ "Print compiler2 inlining decisions") \ \ notproduct(bool, VerifyOpto, false, \ "Apply more time consuming verification during compilation") \ \ notproduct(bool, VerifyOptoOopOffsets, false, \ "Check types of base addresses in field references") \ \ develop(bool, IdealizedNumerics, false, \ "Check performance difference allowing FP " \ "associativity and commutativity...") \ \ develop(bool, OptoBreakpoint, false, \ "insert breakpoint at method entry") \ \ notproduct(bool, OptoBreakpointOSR, false, \ "insert breakpoint at osr method entry") \ \ notproduct(intx, BreakAtNode, 0, \ "Break at construction of this Node (either _idx or _debug_idx)") \ \ notproduct(bool, OptoBreakpointC2R, false, \ "insert breakpoint at runtime stub entry") \ \ notproduct(bool, OptoNoExecute, false, \ "Attempt to parse and compile but do not execute generated code") \ \ notproduct(bool, PrintOptoStatistics, false, \ "Print New compiler statistics") \ \ notproduct(bool, PrintOptoAssembly, false, \ "Print New compiler assembly output") \ \ develop_pd(bool, OptoPeephole, \ "Apply peephole optimizations after register allocation") \ \ develop(bool, OptoRemoveUseless, true, \ "Remove useless nodes after parsing") \ \ notproduct(bool, PrintFrameConverterAssembly, false, \ "Print New compiler assembly output for frame converters") \ \ notproduct(bool, PrintParseStatistics, false, \ "Print nodes, transforms and new values made per bytecode parsed")\ \ notproduct(bool, PrintOptoPeephole, false, \ "Print New compiler peephole replacements") \ \ develop(bool, PrintCFGBlockFreq, false, \ "Print CFG block freqencies") \ \ develop(bool, TraceOptoParse, false, \ "Trace bytecode parse and control-flow merge") \ \ product_pd(intx, LoopUnrollLimit, \ "Unroll loop bodies with node count less than this") \ \ product(intx, LoopUnrollMin, 4, \ "Minimum number of unroll loop bodies before checking progress" \ "of rounds of unroll,optimize,..") \ \ develop(intx, UnrollLimitForProfileCheck, 1, \ "Don't use profile_trip_cnt() to restrict unrolling until " \ "unrolling would push the number of unrolled iterations above " \ "UnrollLimitForProfileCheck. A higher value allows more " \ "unrolling. Zero acts as a very large value." ) \ \ product(intx, MultiArrayExpandLimit, 6, \ "Maximum number of individual allocations in an inline-expanded " \ "multianewarray instruction") \ \ notproduct(bool, TraceProfileTripCount, false, \ "Trace profile loop trip count information") \ \ develop(bool, OptoCoalesce, true, \ "Use Conservative Copy Coalescing in the Register Allocator") \ \ develop(bool, UseUniqueSubclasses, true, \ "Narrow an abstract reference to the unique concrete subclass") \ \ develop(bool, UseExactTypes, true, \ "Use exact types to eliminate array store checks and v-calls") \ \ product(intx, TrackedInitializationLimit, 50, \ "When initializing fields, track up to this many words") \ \ product(bool, ReduceFieldZeroing, true, \ "When initializing fields, try to avoid needless zeroing") \ \ product(bool, ReduceInitialCardMarks, true, \ "When initializing fields, try to avoid needless card marks") \ \ product(bool, ReduceBulkZeroing, true, \ "When bulk-initializing, try to avoid needless zeroing") \ \ develop_pd(intx, RegisterCostAreaRatio, \ "Spill selection in reg allocator: scale area by (X/64K) before " \ "adding cost") \ \ develop_pd(bool, UseCISCSpill, \ "Use ADLC supplied cisc instructions during allocation") \ \ notproduct(bool, VerifyGraphEdges , false, \ "Verify Bi-directional Edges") \ \ notproduct(bool, VerifyDUIterators, true, \ "Verify the safety of all iterations of Bi-directional Edges") \ \ notproduct(bool, VerifyHashTableKeys, true, \ "Verify the immutability of keys in the VN hash tables") \ \ develop_pd(intx, FLOATPRESSURE, \ "Number of float LRG's that constitute high register pressure") \ \ develop_pd(intx, INTPRESSURE, \ "Number of integer LRG's that constitute high register pressure") \ \ notproduct(bool, TraceOptoPipelining, false, \ "Trace pipelining information") \ \ notproduct(bool, TraceOptoOutput, false, \ "Trace pipelining information") \ \ product_pd(bool, OptoScheduling, \ "Instruction Scheduling after register allocation") \ \ product(bool, PartialPeelLoop, true, \ "Partial peel (rotate) loops") \ \ product(intx, PartialPeelNewPhiDelta, 0, \ "Additional phis that can be created by partial peeling") \ \ notproduct(bool, TracePartialPeeling, false, \ "Trace partial peeling (loop rotation) information") \ \ product(bool, PartialPeelAtUnsignedTests, true, \ "Partial peel at unsigned tests if no signed test exists") \ \ product(bool, ReassociateInvariants, true, \ "Enable reassociation of expressions with loop invariants.") \ \ product(bool, LoopUnswitching, true, \ "Enable loop unswitching (a form of invariant test hoisting)") \ \ notproduct(bool, TraceLoopUnswitching, false, \ "Trace loop unswitching") \ \ product(bool, UseSuperWord, true, \ "Transform scalar operations into superword operations") \ \ develop(bool, SuperWordRTDepCheck, false, \ "Enable runtime dependency checks.") \ \ product(bool, TraceSuperWord, false, \ "Trace superword transforms") \ \ product_pd(bool, OptoBundling, \ "Generate nops to fill i-cache lines") \ \ product_pd(intx, ConditionalMoveLimit, \ "Limit of ops to make speculative when using CMOVE") \ \ /* Set BranchOnRegister == false. See 4965987. */ \ product(bool, BranchOnRegister, false, \ "Use Sparc V9 branch-on-register opcodes") \ \ develop(bool, SparcV9RegsHiBitsZero, true, \ "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \ \ develop(intx, PrintIdealGraphLevel, 0, \ "Print ideal graph to XML file / network interface. " \ "By default attempts to connect to the visualizer on a socket.") \ \ develop(intx, PrintIdealGraphPort, 4444, \ "Ideal graph printer to network port") \ \ develop(ccstr, PrintIdealGraphAddress, "127.0.0.1", \ "IP address to connect to visualizer") \ \ develop(ccstr, PrintIdealGraphFile, NULL, \ "File to dump ideal graph to. If set overrides the " \ "use of the network") \ \ product(bool, UseOldInlining, true, \ "Enable the 1.3 inlining strategy") \ \ product(bool, UseBimorphicInlining, true, \ "Profiling based inlining for two receivers") \ \ product(bool, UseOnlyInlinedBimorphic, true, \ "Don't use BimorphicInlining if can't inline a second method") \ \ product(bool, InsertMemBarAfterArraycopy, true, \ "Insert memory barrier after arraycopy call") \ \ /* controls for tier 1 compilations */ \ \ develop(bool, Tier1CountInvocations, true, \ "Generate code, during tier 1, to update invocation counter") \ \ product(intx, Tier1Inline, false, \ "enable inlining during tier 1") \ \ product(intx, Tier1MaxInlineSize, 8, \ "maximum bytecode size of a method to be inlined, during tier 1") \ \ product(intx, Tier1FreqInlineSize, 35, \ "max bytecode size of a frequent method to be inlined, tier 1") \ \ develop(intx, ImplicitNullCheckThreshold, 3, \ "Don't do implicit null checks if NPE's in a method exceeds limit") \ \ /* controls for loop optimization */ \ product(intx, Tier1LoopOptsCount, 0, \ "Set level of loop optimization for tier 1 compiles") \ \ product(intx, LoopOptsCount, 43, \ "Set level of loop optimization for tier 1 compiles") \ \ /* controls for heat-based inlining */ \ \ develop(intx, NodeCountInliningCutoff, 18000, \ "If parser node generation exceeds limit stop inlining") \ \ develop(intx, NodeCountInliningStep, 1000, \ "Target size of warm calls inlined between optimization passes") \ \ develop(bool, InlineWarmCalls, false, \ "Use a heat-based priority queue to govern inlining") \ \ develop(intx, HotCallCountThreshold, 999999, \ "large numbers of calls (per method invocation) force hotness") \ \ develop(intx, HotCallProfitThreshold, 999999, \ "highly profitable inlining opportunities force hotness") \ \ develop(intx, HotCallTrivialWork, -1, \ "trivial execution time (no larger than this) forces hotness") \ \ develop(intx, HotCallTrivialSize, -1, \ "trivial methods (no larger than this) force calls to be hot") \ \ develop(intx, WarmCallMinCount, -1, \ "number of calls (per method invocation) to enable inlining") \ \ develop(intx, WarmCallMinProfit, -1, \ "number of calls (per method invocation) to enable inlining") \ \ develop(intx, WarmCallMaxWork, 999999, \ "execution time of the largest inlinable method") \ \ develop(intx, WarmCallMaxSize, 999999, \ "size of the largest inlinable method") \ \ product(intx, MaxNodeLimit, 65000, \ "Maximum number of nodes") \ \ product(intx, NodeLimitFudgeFactor, 1000, \ "Fudge Factor for certain optimizations") \ \ product(bool, UseJumpTables, true, \ "Use JumpTables instead of a binary search tree for switches") \ \ product(bool, UseDivMod, true, \ "Use combined DivMod instruction if available") \ \ product(intx, MinJumpTableSize, 18, \ "Minimum number of targets in a generated jump table") \ \ product(intx, MaxJumpTableSize, 65000, \ "Maximum number of targets in a generated jump table") \ \ product(intx, MaxJumpTableSparseness, 5, \ "Maximum sparseness for jumptables") \ \ product(bool, EliminateLocks, true, \ "Coarsen locks when possible") \ \ notproduct(bool, PrintLockStatistics, false, \ "Print precise statistics on the dynamic lock usage") \ \ diagnostic(bool, PrintPreciseBiasedLockingStatistics, false, \ "Print per-lock-site statistics of biased locking in JVM") \ \ notproduct(bool, PrintEliminateLocks, false, \ "Print out when locks are eliminated") \ \ diagnostic(bool, EliminateAutoBox, false, \ "Private flag to control optimizations for autobox elimination") \ \ product(intx, AutoBoxCacheMax, 128, \ "Sets max value cached by the java.lang.Integer autobox cache") \ \ product(bool, DoEscapeAnalysis, false, \ "Perform escape analysis") \ \ notproduct(bool, PrintEscapeAnalysis, false, \ "Print the results of escape analysis") \ \ product(bool, EliminateAllocations, true, \ "Use escape analysis to eliminate allocations") \ \ notproduct(bool, PrintEliminateAllocations, false, \ "Print out when allocations are eliminated") \ \ product(intx, EliminateAllocationArraySizeLimit, 64, \ "Array size (number of elements) limit for scalar replacement") \ \ product(intx, MaxLabelRootDepth, 1100, \ "Maximum times call Label_Root to prevent stack overflow") \ \ diagnostic(intx, DominatorSearchLimit, 1000, \ "Iterations limit in Node::dominates") \ C2_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)