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src/share/vm/c1/c1_globals.hpp@37f87013dfd8 (annotated)

src/share/vm/c1/c1_globals.hpp

Thu, 05 Jun 2008 15:57:56 -0700

author

ysr

date

Thu, 05 Jun 2008 15:57:56 -0700

changeset 777

37f87013dfd8

parent 435

a61af66fc99e

child 1832

b4776199210f

permissions

-rw-r--r--

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

duke@435	1	/*
duke@435	2	* Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	//
duke@435	26	// Defines all global flags used by the client compiler.
duke@435	27	//
duke@435	28	#ifndef TIERED
duke@435	29	#define NOT_TIERED(x) x
duke@435	30	#else
duke@435	31	#define NOT_TIERED(x)
duke@435	32	#endif
duke@435	33
duke@435	34	#define C1_FLAGS(develop, develop_pd, product, product_pd, notproduct) \
duke@435	35	\
duke@435	36	/* Printing */ \
duke@435	37	notproduct(bool, PrintC1Statistics, false, \
duke@435	38	"Print Compiler1 statistics" ) \
duke@435	39	\
duke@435	40	notproduct(bool, PrintInitialBlockList, false, \
duke@435	41	"Print block list of BlockListBuilder") \
duke@435	42	\
duke@435	43	notproduct(bool, PrintCFG, false, \
duke@435	44	"Print control flow graph after each change") \
duke@435	45	\
duke@435	46	notproduct(bool, PrintCFG0, false, \
duke@435	47	"Print control flow graph after construction") \
duke@435	48	\
duke@435	49	notproduct(bool, PrintCFG1, false, \
duke@435	50	"Print control flow graph after optimizations") \
duke@435	51	\
duke@435	52	notproduct(bool, PrintCFG2, false, \
duke@435	53	"Print control flow graph before code generation") \
duke@435	54	\
duke@435	55	notproduct(bool, PrintIRDuringConstruction, false, \
duke@435	56	"Print IR as it's being constructed (helpful for debugging frontend)")\
duke@435	57	\
duke@435	58	notproduct(bool, PrintPhiFunctions, false, \
duke@435	59	"Print phi functions when they are created and simplified") \
duke@435	60	\
duke@435	61	notproduct(bool, PrintIR, false, \
duke@435	62	"Print full intermediate representation after each change") \
duke@435	63	\
duke@435	64	notproduct(bool, PrintIR0, false, \
duke@435	65	"Print full intermediate representation after construction") \
duke@435	66	\
duke@435	67	notproduct(bool, PrintIR1, false, \
duke@435	68	"Print full intermediate representation after optimizations") \
duke@435	69	\
duke@435	70	notproduct(bool, PrintIR2, false, \
duke@435	71	"Print full intermediate representation before code generation") \
duke@435	72	\
duke@435	73	notproduct(bool, PrintSimpleStubs, false, \
duke@435	74	"Print SimpleStubs") \
duke@435	75	\
duke@435	76	/* C1 optimizations */ \
duke@435	77	\
duke@435	78	develop(bool, UseC1Optimizations, true, \
duke@435	79	"Turn on C1 optimizations") \
duke@435	80	\
duke@435	81	develop(bool, SelectivePhiFunctions, true, \
duke@435	82	"create phi functions at loop headers only when necessary") \
duke@435	83	\
duke@435	84	develop(bool, DoCEE, true, \
duke@435	85	"Do Conditional Expression Elimination to simplify CFG") \
duke@435	86	\
duke@435	87	develop(bool, PrintCEE, false, \
duke@435	88	"Print Conditional Expression Elimination") \
duke@435	89	\
duke@435	90	develop(bool, UseLocalValueNumbering, true, \
duke@435	91	"Use Local Value Numbering (embedded in GraphBuilder)") \
duke@435	92	\
duke@435	93	develop(bool, UseGlobalValueNumbering, true, \
duke@435	94	"Use Global Value Numbering (separate phase)") \
duke@435	95	\
duke@435	96	develop(bool, PrintValueNumbering, false, \
duke@435	97	"Print Value Numbering") \
duke@435	98	\
duke@435	99	product(intx, ValueMapInitialSize, 11, \
duke@435	100	"Initial size of a value map") \
duke@435	101	\
duke@435	102	product(intx, ValueMapMaxLoopSize, 8, \
duke@435	103	"maximum size of a loop optimized by global value numbering") \
duke@435	104	\
duke@435	105	develop(bool, EliminateBlocks, true, \
duke@435	106	"Eliminate unneccessary basic blocks") \
duke@435	107	\
duke@435	108	develop(bool, PrintBlockElimination, false, \
duke@435	109	"Print basic block elimination") \
duke@435	110	\
duke@435	111	develop(bool, EliminateNullChecks, true, \
duke@435	112	"Eliminate unneccessary null checks") \
duke@435	113	\
duke@435	114	develop(bool, PrintNullCheckElimination, false, \
duke@435	115	"Print null check elimination") \
duke@435	116	\
duke@435	117	develop(bool, EliminateFieldAccess, true, \
duke@435	118	"Optimize field loads and stores") \
duke@435	119	\
duke@435	120	develop(bool, InlineMethodsWithExceptionHandlers, true, \
duke@435	121	"Inline methods containing exception handlers " \
duke@435	122	"(NOTE: does not work with current backend)") \
duke@435	123	\
duke@435	124	develop(bool, InlineSynchronizedMethods, true, \
duke@435	125	"Inline synchronized methods") \
duke@435	126	\
duke@435	127	develop(bool, InlineNIOCheckIndex, true, \
duke@435	128	"Intrinsify java.nio.Buffer.checkIndex") \
duke@435	129	\
duke@435	130	develop(bool, CanonicalizeNodes, true, \
duke@435	131	"Canonicalize graph nodes") \
duke@435	132	\
duke@435	133	develop(bool, CanonicalizeExperimental, false, \
duke@435	134	"Canonicalize graph nodes, experimental code") \
duke@435	135	\
duke@435	136	develop(bool, PrintCanonicalization, false, \
duke@435	137	"Print graph node canonicalization") \
duke@435	138	\
duke@435	139	develop(bool, UseTableRanges, true, \
duke@435	140	"Faster versions of lookup table using ranges") \
duke@435	141	\
duke@435	142	develop(bool, UseFastExceptionHandling, true, \
duke@435	143	"Faster handling of exceptions") \
duke@435	144	\
duke@435	145	develop_pd(bool, RoundFPResults, \
duke@435	146	"Indicates whether rounding is needed for floating point results")\
duke@435	147	\
duke@435	148	develop(intx, NestedInliningSizeRatio, 90, \
duke@435	149	"Percentage of prev. allowed inline size in recursive inlining") \
duke@435	150	\
duke@435	151	notproduct(bool, PrintIRWithLIR, false, \
duke@435	152	"Print IR instructions with generated LIR") \
duke@435	153	\
duke@435	154	notproduct(bool, PrintLIRWithAssembly, false, \
duke@435	155	"Show LIR instruction with generated assembly") \
duke@435	156	\
duke@435	157	develop(bool, CommentedAssembly, trueInDebug, \
duke@435	158	"Show extra info in PrintNMethods output") \
duke@435	159	\
duke@435	160	develop(bool, LIRTracePeephole, false, \
duke@435	161	"Trace peephole optimizer") \
duke@435	162	\
duke@435	163	develop(bool, LIRTraceExecution, false, \
duke@435	164	"add LIR code which logs the execution of blocks") \
duke@435	165	\
duke@435	166	product_pd(bool, LIRFillDelaySlots, \
duke@435	167	"fill delays on on SPARC with LIR") \
duke@435	168	\
duke@435	169	develop_pd(bool, CSEArrayLength, \
duke@435	170	"Create separate nodes for length in array accesses") \
duke@435	171	\
duke@435	172	develop_pd(bool, TwoOperandLIRForm, \
duke@435	173	"true if LIR requires src1 and dst to match in binary LIR ops") \
duke@435	174	\
duke@435	175	develop(intx, TraceLinearScanLevel, 0, \
duke@435	176	"Debug levels for the linear scan allocator") \
duke@435	177	\
duke@435	178	develop(bool, StressLinearScan, false, \
duke@435	179	"scramble block order used by LinearScan (stress test)") \
duke@435	180	\
duke@435	181	product(bool, TimeLinearScan, false, \
duke@435	182	"detailed timing of LinearScan phases") \
duke@435	183	\
duke@435	184	develop(bool, TimeEachLinearScan, false, \
duke@435	185	"print detailed timing of each LinearScan run") \
duke@435	186	\
duke@435	187	develop(bool, CountLinearScan, false, \
duke@435	188	"collect statistic counters during LinearScan") \
duke@435	189	\
duke@435	190	/* C1 variable */ \
duke@435	191	\
duke@435	192	develop(bool, C1Breakpoint, false, \
duke@435	193	"Sets a breakpoint at entry of each compiled method") \
duke@435	194	\
duke@435	195	develop(bool, ImplicitDiv0Checks, true, \
duke@435	196	"Use implicit division by zero checks") \
duke@435	197	\
duke@435	198	develop(bool, PinAllInstructions, false, \
duke@435	199	"All instructions are pinned") \
duke@435	200	\
duke@435	201	develop(bool, ValueStackPinStackAll, true, \
duke@435	202	"Pinning in ValueStack pin everything") \
duke@435	203	\
duke@435	204	develop(bool, UseFastNewInstance, true, \
duke@435	205	"Use fast inlined instance allocation") \
duke@435	206	\
duke@435	207	develop(bool, UseFastNewTypeArray, true, \
duke@435	208	"Use fast inlined type array allocation") \
duke@435	209	\
duke@435	210	develop(bool, UseFastNewObjectArray, true, \
duke@435	211	"Use fast inlined object array allocation") \
duke@435	212	\
duke@435	213	develop(bool, UseFastLocking, true, \
duke@435	214	"Use fast inlined locking code") \
duke@435	215	\
duke@435	216	develop(bool, UseSlowPath, false, \
duke@435	217	"For debugging: test slow cases by always using them") \
duke@435	218	\
duke@435	219	develop(bool, GenerateArrayStoreCheck, true, \
duke@435	220	"Generates code for array store checks") \
duke@435	221	\
duke@435	222	develop(bool, DeoptC1, true, \
duke@435	223	"Use deoptimization in C1") \
duke@435	224	\
duke@435	225	develop(bool, DeoptOnAsyncException, true, \
duke@435	226	"Deoptimize upon Thread.stop(); improves precision of IR") \
duke@435	227	\
duke@435	228	develop(bool, PrintBailouts, false, \
duke@435	229	"Print bailout and its reason") \
duke@435	230	\
duke@435	231	develop(bool, TracePatching, false, \
duke@435	232	"Trace patching of field access on uninitialized classes") \
duke@435	233	\
duke@435	234	develop(bool, PatchALot, false, \
duke@435	235	"Marks all fields as having unloaded classes") \
duke@435	236	\
duke@435	237	develop(bool, PrintNotLoaded, false, \
duke@435	238	"Prints where classes are not loaded during code generation") \
duke@435	239	\
duke@435	240	notproduct(bool, VerifyOopMaps, false, \
duke@435	241	"Adds oopmap verification code to the generated code") \
duke@435	242	\
duke@435	243	develop(bool, PrintLIR, false, \
duke@435	244	"print low-level IR") \
duke@435	245	\
duke@435	246	develop(bool, BailoutAfterHIR, false, \
duke@435	247	"bailout of compilation after building of HIR") \
duke@435	248	\
duke@435	249	develop(bool, BailoutAfterLIR, false, \
duke@435	250	"bailout of compilation after building of LIR") \
duke@435	251	\
duke@435	252	develop(bool, BailoutOnExceptionHandlers, false, \
duke@435	253	"bailout of compilation for methods with exception handlers") \
duke@435	254	\
duke@435	255	develop(bool, AlwaysEmitDebugInfo, false, \
duke@435	256	"always emit debug info") \
duke@435	257	\
duke@435	258	develop(bool, InstallMethods, true, \
duke@435	259	"Install methods at the end of successful compilations") \
duke@435	260	\
duke@435	261	product(intx, CompilationRepeat, 0, \
duke@435	262	"Number of times to recompile method before returning result") \
duke@435	263	\
duke@435	264	develop(intx, NMethodSizeLimit, (32*K)*wordSize, \
duke@435	265	"Maximum size of a compiled method.") \
duke@435	266	\
duke@435	267	develop(bool, TraceFPUStack, false, \
duke@435	268	"Trace emulation of the FPU stack (intel only)") \
duke@435	269	\
duke@435	270	develop(bool, TraceFPURegisterUsage, false, \
duke@435	271	"Trace usage of FPU registers at start of blocks (intel only)") \
duke@435	272	\
duke@435	273	develop(bool, OptimizeUnsafes, true, \
duke@435	274	"Optimize raw unsafe ops") \
duke@435	275	\
duke@435	276	develop(bool, PrintUnsafeOptimization, false, \
duke@435	277	"Print optimization of raw unsafe ops") \
duke@435	278	\
duke@435	279	develop(intx, InstructionCountCutoff, 37000, \
duke@435	280	"If GraphBuilder adds this many instructions, bails out") \
duke@435	281	\
duke@435	282	product_pd(intx, SafepointPollOffset, \
duke@435	283	"Offset added to polling address (Intel only)") \
duke@435	284	\
duke@435	285	product(bool, UseNewFeature1, false, \
duke@435	286	"Enable new feature for testing. This is a dummy flag.") \
duke@435	287	\
duke@435	288	product(bool, UseNewFeature2, false, \
duke@435	289	"Enable new feature for testing. This is a dummy flag.") \
duke@435	290	\
duke@435	291	product(bool, UseNewFeature3, false, \
duke@435	292	"Enable new feature for testing. This is a dummy flag.") \
duke@435	293	\
duke@435	294	product(bool, UseNewFeature4, false, \
duke@435	295	"Enable new feature for testing. This is a dummy flag.") \
duke@435	296	\
duke@435	297	develop(bool, ComputeExactFPURegisterUsage, true, \
duke@435	298	"Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
duke@435	299	\
duke@435	300	product(bool, Tier1ProfileCalls, true, \
duke@435	301	"Profile calls when generating code for updating MDOs") \
duke@435	302	\
duke@435	303	product(bool, Tier1ProfileVirtualCalls, true, \
duke@435	304	"Profile virtual calls when generating code for updating MDOs") \
duke@435	305	\
duke@435	306	product(bool, Tier1ProfileInlinedCalls, true, \
duke@435	307	"Profile inlined calls when generating code for updating MDOs") \
duke@435	308	\
duke@435	309	product(bool, Tier1ProfileBranches, true, \
duke@435	310	"Profile branches when generating code for updating MDOs") \
duke@435	311	\
duke@435	312	product(bool, Tier1ProfileCheckcasts, true, \
duke@435	313	"Profile checkcasts when generating code for updating MDOs") \
duke@435	314	\
duke@435	315	product(bool, Tier1OptimizeVirtualCallProfiling, true, \
duke@435	316	"Use CHA and exact type results at call sites when updating MDOs") \
duke@435	317	\
duke@435	318	develop(bool, Tier1CountOnly, false, \
duke@435	319	"Don't schedule tier 2 compiles. Enter VM only") \
duke@435	320	\
duke@435	321	develop(bool, PrintCFGToFile, false, \
duke@435	322	"print control flow graph to a separate file during compilation") \
duke@435	323	\
duke@435	324
duke@435	325
duke@435	326	// Read default values for c1 globals
duke@435	327	// #include "incls/_c1_globals_pd.hpp.incl"
duke@435	328
duke@435	329	C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_NOTPRODUCT_FLAG)