c1_globals.hpp revision 5976:2b8e28fdf503
1/*
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef SHARE_VM_C1_C1_GLOBALS_HPP
26#define SHARE_VM_C1_C1_GLOBALS_HPP
27
28#include "runtime/globals.hpp"
29#ifdef TARGET_ARCH_x86
30# include "c1_globals_x86.hpp"
31#endif
32#ifdef TARGET_ARCH_sparc
33# include "c1_globals_sparc.hpp"
34#endif
35#ifdef TARGET_ARCH_arm
36# include "c1_globals_arm.hpp"
37#endif
38#ifdef TARGET_ARCH_ppc
39# include "c1_globals_ppc.hpp"
40#endif
41#ifdef TARGET_OS_FAMILY_linux
42# include "c1_globals_linux.hpp"
43#endif
44#ifdef TARGET_OS_FAMILY_solaris
45# include "c1_globals_solaris.hpp"
46#endif
47#ifdef TARGET_OS_FAMILY_windows
48# include "c1_globals_windows.hpp"
49#endif
50#ifdef TARGET_OS_FAMILY_aix
51# include "c1_globals_aix.hpp"
52#endif
53#ifdef TARGET_OS_FAMILY_bsd
54# include "c1_globals_bsd.hpp"
55#endif
56
57//
58// Defines all global flags used by the client compiler.
59//
60#define C1_FLAGS(develop, develop_pd, product, product_pd, diagnostic, notproduct) \
61                                                                            \
62  /* Printing */                                                            \
63  notproduct(bool, PrintC1Statistics, false,                                \
64          "Print Compiler1 statistics" )                                    \
65                                                                            \
66  notproduct(bool, PrintInitialBlockList, false,                            \
67          "Print block list of BlockListBuilder")                           \
68                                                                            \
69  notproduct(bool, PrintCFG, false,                                         \
70          "Print control flow graph after each change")                     \
71                                                                            \
72  notproduct(bool, PrintCFG0, false,                                        \
73          "Print control flow graph after construction")                    \
74                                                                            \
75  notproduct(bool, PrintCFG1, false,                                        \
76          "Print control flow graph after optimizations")                   \
77                                                                            \
78  notproduct(bool, PrintCFG2, false,                                        \
79          "Print control flow graph before code generation")                \
80                                                                            \
81  notproduct(bool, PrintIRDuringConstruction, false,                        \
82          "Print IR as it's being constructed (helpful for debugging frontend)")\
83                                                                            \
84  notproduct(bool, PrintPhiFunctions, false,                                \
85          "Print phi functions when they are created and simplified")       \
86                                                                            \
87  notproduct(bool, PrintIR, false,                                          \
88          "Print full intermediate representation after each change")       \
89                                                                            \
90  notproduct(bool, PrintIR0, false,                                         \
91          "Print full intermediate representation after construction")      \
92                                                                            \
93  notproduct(bool, PrintIR1, false,                                         \
94          "Print full intermediate representation after optimizations")     \
95                                                                            \
96  notproduct(bool, PrintIR2, false,                                         \
97          "Print full intermediate representation before code generation")  \
98                                                                            \
99  notproduct(bool, PrintSimpleStubs, false,                                 \
100          "Print SimpleStubs")                                              \
101                                                                            \
102  /* C1 optimizations */                                                    \
103                                                                            \
104  develop(bool, UseC1Optimizations, true,                                   \
105          "Turn on C1 optimizations")                                       \
106                                                                            \
107  develop(bool, SelectivePhiFunctions, true,                                \
108          "create phi functions at loop headers only when necessary")       \
109                                                                            \
110  develop(bool, OptimizeIfOps, true,                                        \
111          "Optimize multiple IfOps")                                        \
112                                                                            \
113  develop(bool, DoCEE, true,                                                \
114          "Do Conditional Expression Elimination to simplify CFG")          \
115                                                                            \
116  develop(bool, PrintCEE, false,                                            \
117          "Print Conditional Expression Elimination")                       \
118                                                                            \
119  develop(bool, UseLocalValueNumbering, true,                               \
120          "Use Local Value Numbering (embedded in GraphBuilder)")           \
121                                                                            \
122  develop(bool, UseGlobalValueNumbering, true,                              \
123          "Use Global Value Numbering (separate phase)")                    \
124                                                                            \
125  product(bool, UseLoopInvariantCodeMotion, true,                           \
126          "Simple loop invariant code motion for short loops during GVN")   \
127                                                                            \
128  develop(bool, TracePredicateFailedTraps, false,                           \
129          "trace runtime traps caused by predicate failure")                \
130                                                                            \
131  develop(bool, StressLoopInvariantCodeMotion, false,                       \
132          "stress loop invariant code motion")                              \
133                                                                            \
134  develop(bool, TraceRangeCheckElimination, false,                          \
135          "Trace Range Check Elimination")                                  \
136                                                                            \
137  develop(bool, AssertRangeCheckElimination, false,                         \
138          "Assert Range Check Elimination")                                 \
139                                                                            \
140  develop(bool, StressRangeCheckElimination, false,                         \
141          "stress Range Check Elimination")                                 \
142                                                                            \
143  develop(bool, PrintValueNumbering, false,                                 \
144          "Print Value Numbering")                                          \
145                                                                            \
146  product(intx, ValueMapInitialSize, 11,                                    \
147          "Initial size of a value map")                                    \
148                                                                            \
149  product(intx, ValueMapMaxLoopSize, 8,                                     \
150          "maximum size of a loop optimized by global value numbering")     \
151                                                                            \
152  develop(bool, EliminateBlocks, true,                                      \
153          "Eliminate unneccessary basic blocks")                            \
154                                                                            \
155  develop(bool, PrintBlockElimination, false,                               \
156          "Print basic block elimination")                                  \
157                                                                            \
158  develop(bool, EliminateNullChecks, true,                                  \
159          "Eliminate unneccessary null checks")                             \
160                                                                            \
161  develop(bool, PrintNullCheckElimination, false,                           \
162          "Print null check elimination")                                   \
163                                                                            \
164  develop(bool, EliminateFieldAccess, true,                                 \
165          "Optimize field loads and stores")                                \
166                                                                            \
167  develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
168          "Inline methods containing exception handlers "                   \
169          "(NOTE: does not work with current backend)")                     \
170                                                                            \
171  product(bool, InlineSynchronizedMethods, true,                            \
172          "Inline synchronized methods")                                    \
173                                                                            \
174  develop(bool, InlineNIOCheckIndex, true,                                  \
175          "Intrinsify java.nio.Buffer.checkIndex")                          \
176                                                                            \
177  develop(bool, CanonicalizeNodes, true,                                    \
178          "Canonicalize graph nodes")                                       \
179                                                                            \
180  develop(bool, PrintCanonicalization, false,                               \
181          "Print graph node canonicalization")                              \
182                                                                            \
183  develop(bool, UseTableRanges, true,                                       \
184          "Faster versions of lookup table using ranges")                   \
185                                                                            \
186  develop_pd(bool, RoundFPResults,                                          \
187          "Indicates whether rounding is needed for floating point results")\
188                                                                            \
189  develop(intx, NestedInliningSizeRatio, 90,                                \
190          "Percentage of prev. allowed inline size in recursive inlining")  \
191                                                                            \
192  notproduct(bool, PrintIRWithLIR, false,                                   \
193          "Print IR instructions with generated LIR")                       \
194                                                                            \
195  notproduct(bool, PrintLIRWithAssembly, false,                             \
196          "Show LIR instruction with generated assembly")                   \
197                                                                            \
198  develop(bool, CommentedAssembly, trueInDebug,                             \
199          "Show extra info in PrintNMethods output")                        \
200                                                                            \
201  develop(bool, LIRTracePeephole, false,                                    \
202          "Trace peephole optimizer")                                       \
203                                                                            \
204  develop(bool, LIRTraceExecution, false,                                   \
205          "add LIR code which logs the execution of blocks")                \
206                                                                            \
207  product_pd(bool, LIRFillDelaySlots,                                       \
208             "fill delays on on SPARC with LIR")                            \
209                                                                            \
210  develop_pd(bool, CSEArrayLength,                                          \
211          "Create separate nodes for length in array accesses")             \
212                                                                            \
213  develop_pd(bool, TwoOperandLIRForm,                                       \
214          "true if LIR requires src1 and dst to match in binary LIR ops")   \
215                                                                            \
216  develop(intx, TraceLinearScanLevel, 0,                                    \
217          "Debug levels for the linear scan allocator")                     \
218                                                                            \
219  develop(bool, StressLinearScan, false,                                    \
220          "scramble block order used by LinearScan (stress test)")          \
221                                                                            \
222  product(bool, TimeLinearScan, false,                                      \
223          "detailed timing of LinearScan phases")                           \
224                                                                            \
225  develop(bool, TimeEachLinearScan, false,                                  \
226          "print detailed timing of each LinearScan run")                   \
227                                                                            \
228  develop(bool, CountLinearScan, false,                                     \
229          "collect statistic counters during LinearScan")                   \
230                                                                            \
231  /* C1 variable */                                                         \
232                                                                            \
233  develop(bool, C1Breakpoint, false,                                        \
234          "Sets a breakpoint at entry of each compiled method")             \
235                                                                            \
236  develop(bool, ImplicitDiv0Checks, true,                                   \
237          "Use implicit division by zero checks")                           \
238                                                                            \
239  develop(bool, PinAllInstructions, false,                                  \
240          "All instructions are pinned")                                    \
241                                                                            \
242  develop(bool, UseFastNewInstance, true,                                   \
243          "Use fast inlined instance allocation")                           \
244                                                                            \
245  develop(bool, UseFastNewTypeArray, true,                                  \
246          "Use fast inlined type array allocation")                         \
247                                                                            \
248  develop(bool, UseFastNewObjectArray, true,                                \
249          "Use fast inlined object array allocation")                       \
250                                                                            \
251  develop(bool, UseFastLocking, true,                                       \
252          "Use fast inlined locking code")                                  \
253                                                                            \
254  develop(bool, UseSlowPath, false,                                         \
255          "For debugging: test slow cases by always using them")            \
256                                                                            \
257  develop(bool, GenerateArrayStoreCheck, true,                              \
258          "Generates code for array store checks")                          \
259                                                                            \
260  develop(bool, DeoptC1, true,                                              \
261          "Use deoptimization in C1")                                       \
262                                                                            \
263  develop(bool, PrintBailouts, false,                                       \
264          "Print bailout and its reason")                                   \
265                                                                            \
266  develop(bool, TracePatching, false,                                       \
267         "Trace patching of field access on uninitialized classes")         \
268                                                                            \
269  develop(bool, PatchALot, false,                                           \
270          "Marks all fields as having unloaded classes")                    \
271                                                                            \
272  develop(bool, PrintNotLoaded, false,                                      \
273          "Prints where classes are not loaded during code generation")     \
274                                                                            \
275  notproduct(bool, VerifyOopMaps, false,                                    \
276          "Adds oopmap verification code to the generated code")            \
277                                                                            \
278  develop(bool, PrintLIR, false,                                            \
279          "print low-level IR")                                             \
280                                                                            \
281  develop(bool, BailoutAfterHIR, false,                                     \
282          "bailout of compilation after building of HIR")                   \
283                                                                            \
284  develop(bool, BailoutAfterLIR, false,                                     \
285          "bailout of compilation after building of LIR")                   \
286                                                                            \
287  develop(bool, BailoutOnExceptionHandlers, false,                          \
288          "bailout of compilation for methods with exception handlers")     \
289                                                                            \
290  develop(bool, InstallMethods, true,                                       \
291          "Install methods at the end of successful compilations")          \
292                                                                            \
293  product(intx, CompilationRepeat, 0,                                       \
294          "Number of times to recompile method before returning result")    \
295                                                                            \
296  develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
297          "Maximum size of a compiled method.")                             \
298                                                                            \
299  develop(bool, TraceFPUStack, false,                                       \
300          "Trace emulation of the FPU stack (intel only)")                  \
301                                                                            \
302  develop(bool, TraceFPURegisterUsage, false,                               \
303          "Trace usage of FPU registers at start of blocks (intel only)")   \
304                                                                            \
305  develop(bool, OptimizeUnsafes, true,                                      \
306          "Optimize raw unsafe ops")                                        \
307                                                                            \
308  develop(bool, PrintUnsafeOptimization, false,                             \
309          "Print optimization of raw unsafe ops")                           \
310                                                                            \
311  develop(intx, InstructionCountCutoff, 37000,                              \
312          "If GraphBuilder adds this many instructions, bails out")         \
313                                                                            \
314  product_pd(intx, SafepointPollOffset,                                     \
315          "Offset added to polling address (Intel only)")                   \
316                                                                            \
317  develop(bool, ComputeExactFPURegisterUsage, true,                         \
318          "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
319                                                                            \
320  product(bool, C1ProfileCalls, true,                                       \
321          "Profile calls when generating code for updating MDOs")           \
322                                                                            \
323  product(bool, C1ProfileVirtualCalls, true,                                \
324          "Profile virtual calls when generating code for updating MDOs")   \
325                                                                            \
326  product(bool, C1ProfileInlinedCalls, true,                                \
327          "Profile inlined calls when generating code for updating MDOs")   \
328                                                                            \
329  product(bool, C1ProfileBranches, true,                                    \
330          "Profile branches when generating code for updating MDOs")        \
331                                                                            \
332  product(bool, C1ProfileCheckcasts, true,                                  \
333          "Profile checkcasts when generating code for updating MDOs")      \
334                                                                            \
335  product(bool, C1OptimizeVirtualCallProfiling, true,                       \
336          "Use CHA and exact type results at call sites when updating MDOs")\
337                                                                            \
338  product(bool, C1UpdateMethodData, trueInTiered,                           \
339          "Update MethodData*s in Tier1-generated code")                    \
340                                                                            \
341  develop(bool, PrintCFGToFile, false,                                      \
342          "print control flow graph to a separate file during compilation") \
343                                                                            \
344  diagnostic(bool, C1PatchInvokeDynamic, true,                              \
345             "Patch invokedynamic appendix not known at compile time")      \
346                                                                            \
347  develop(intx, MaxForceInlineLevel, 100,                                   \
348          "maximum number of nested @ForceInline calls that are inlined")   \
349                                                                            \
350
351
352// Read default values for c1 globals
353
354C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_NOTPRODUCT_FLAG)
355
356#endif // SHARE_VM_C1_C1_GLOBALS_HPP
357