c1_globals.hpp revision 11219:137319683e94
1/*
2 * Copyright (c) 2000, 2016, 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_ARCH_aarch64
42# include "c1_globals_aarch64.hpp"
43#endif
44#ifdef TARGET_OS_FAMILY_linux
45# include "c1_globals_linux.hpp"
46#endif
47#ifdef TARGET_OS_FAMILY_solaris
48# include "c1_globals_solaris.hpp"
49#endif
50#ifdef TARGET_OS_FAMILY_windows
51# include "c1_globals_windows.hpp"
52#endif
53#ifdef TARGET_OS_FAMILY_aix
54# include "c1_globals_aix.hpp"
55#endif
56#ifdef TARGET_OS_FAMILY_bsd
57# include "c1_globals_bsd.hpp"
58#endif
59
60//
61// Defines all global flags used by the client compiler.
62//
63#define C1_FLAGS(develop, \
64                 develop_pd, \
65                 product, \
66                 product_pd, \
67                 diagnostic, \
68                 notproduct, \
69                 range, \
70                 constraint, \
71                 writeable) \
72                                                                            \
73  /* Printing */                                                            \
74  notproduct(bool, PrintC1Statistics, false,                                \
75          "Print Compiler1 statistics" )                                    \
76                                                                            \
77  notproduct(bool, PrintInitialBlockList, false,                            \
78          "Print block list of BlockListBuilder")                           \
79                                                                            \
80  notproduct(bool, PrintCFG, false,                                         \
81          "Print control flow graph after each change")                     \
82                                                                            \
83  notproduct(bool, PrintCFG0, false,                                        \
84          "Print control flow graph after construction")                    \
85                                                                            \
86  notproduct(bool, PrintCFG1, false,                                        \
87          "Print control flow graph after optimizations")                   \
88                                                                            \
89  notproduct(bool, PrintCFG2, false,                                        \
90          "Print control flow graph before code generation")                \
91                                                                            \
92  notproduct(bool, PrintIRDuringConstruction, false,                        \
93          "Print IR as it's being constructed (helpful for debugging frontend)")\
94                                                                            \
95  notproduct(bool, PrintPhiFunctions, false,                                \
96          "Print phi functions when they are created and simplified")       \
97                                                                            \
98  notproduct(bool, PrintIR, false,                                          \
99          "Print full intermediate representation after each change")       \
100                                                                            \
101  notproduct(bool, PrintIR0, false,                                         \
102          "Print full intermediate representation after construction")      \
103                                                                            \
104  notproduct(bool, PrintIR1, false,                                         \
105          "Print full intermediate representation after optimizations")     \
106                                                                            \
107  notproduct(bool, PrintIR2, false,                                         \
108          "Print full intermediate representation before code generation")  \
109                                                                            \
110  notproduct(bool, PrintSimpleStubs, false,                                 \
111          "Print SimpleStubs")                                              \
112                                                                            \
113  /* C1 optimizations */                                                    \
114                                                                            \
115  develop(bool, UseC1Optimizations, true,                                   \
116          "Turn on C1 optimizations")                                       \
117                                                                            \
118  develop(bool, SelectivePhiFunctions, true,                                \
119          "create phi functions at loop headers only when necessary")       \
120                                                                            \
121  develop(bool, OptimizeIfOps, true,                                        \
122          "Optimize multiple IfOps")                                        \
123                                                                            \
124  develop(bool, DoCEE, true,                                                \
125          "Do Conditional Expression Elimination to simplify CFG")          \
126                                                                            \
127  develop(bool, PrintCEE, false,                                            \
128          "Print Conditional Expression Elimination")                       \
129                                                                            \
130  develop(bool, UseLocalValueNumbering, true,                               \
131          "Use Local Value Numbering (embedded in GraphBuilder)")           \
132                                                                            \
133  develop(bool, UseGlobalValueNumbering, true,                              \
134          "Use Global Value Numbering (separate phase)")                    \
135                                                                            \
136  product(bool, UseLoopInvariantCodeMotion, true,                           \
137          "Simple loop invariant code motion for short loops during GVN")   \
138                                                                            \
139  develop(bool, TracePredicateFailedTraps, false,                           \
140          "trace runtime traps caused by predicate failure")                \
141                                                                            \
142  develop(bool, StressLoopInvariantCodeMotion, false,                       \
143          "stress loop invariant code motion")                              \
144                                                                            \
145  develop(bool, TraceRangeCheckElimination, false,                          \
146          "Trace Range Check Elimination")                                  \
147                                                                            \
148  develop(bool, AssertRangeCheckElimination, false,                         \
149          "Assert Range Check Elimination")                                 \
150                                                                            \
151  develop(bool, StressRangeCheckElimination, false,                         \
152          "stress Range Check Elimination")                                 \
153                                                                            \
154  develop(bool, PrintValueNumbering, false,                                 \
155          "Print Value Numbering")                                          \
156                                                                            \
157  product(intx, ValueMapInitialSize, 11,                                    \
158          "Initial size of a value map")                                    \
159          range(1, NOT_LP64(1*K) LP64_ONLY(32*K))                           \
160                                                                            \
161  product(intx, ValueMapMaxLoopSize, 8,                                     \
162          "maximum size of a loop optimized by global value numbering")     \
163          range(0, 128)                                                     \
164                                                                            \
165  develop(bool, EliminateBlocks, true,                                      \
166          "Eliminate unneccessary basic blocks")                            \
167                                                                            \
168  develop(bool, PrintBlockElimination, false,                               \
169          "Print basic block elimination")                                  \
170                                                                            \
171  develop(bool, EliminateNullChecks, true,                                  \
172          "Eliminate unneccessary null checks")                             \
173                                                                            \
174  develop(bool, PrintNullCheckElimination, false,                           \
175          "Print null check elimination")                                   \
176                                                                            \
177  develop(bool, EliminateFieldAccess, true,                                 \
178          "Optimize field loads and stores")                                \
179                                                                            \
180  develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
181          "Inline methods containing exception handlers "                   \
182          "(NOTE: does not work with current backend)")                     \
183                                                                            \
184  product(bool, InlineSynchronizedMethods, true,                            \
185          "Inline synchronized methods")                                    \
186                                                                            \
187  develop(bool, InlineNIOCheckIndex, true,                                  \
188          "Intrinsify java.nio.Buffer.checkIndex")                          \
189                                                                            \
190  develop(bool, CanonicalizeNodes, true,                                    \
191          "Canonicalize graph nodes")                                       \
192                                                                            \
193  develop(bool, PrintCanonicalization, false,                               \
194          "Print graph node canonicalization")                              \
195                                                                            \
196  develop(bool, UseTableRanges, true,                                       \
197          "Faster versions of lookup table using ranges")                   \
198                                                                            \
199  develop_pd(bool, RoundFPResults,                                          \
200          "Indicates whether rounding is needed for floating point results")\
201                                                                            \
202  develop(intx, NestedInliningSizeRatio, 90,                                \
203          "Percentage of prev. allowed inline size in recursive inlining")  \
204          range(0, 100)                                                     \
205                                                                            \
206  notproduct(bool, PrintIRWithLIR, false,                                   \
207          "Print IR instructions with generated LIR")                       \
208                                                                            \
209  notproduct(bool, PrintLIRWithAssembly, false,                             \
210          "Show LIR instruction with generated assembly")                   \
211                                                                            \
212  develop(bool, CommentedAssembly, trueInDebug,                             \
213          "Show extra info in PrintNMethods output")                        \
214                                                                            \
215  develop(bool, LIRTracePeephole, false,                                    \
216          "Trace peephole optimizer")                                       \
217                                                                            \
218  develop(bool, LIRTraceExecution, false,                                   \
219          "add LIR code which logs the execution of blocks")                \
220                                                                            \
221  product_pd(bool, LIRFillDelaySlots,                                       \
222             "fill delays on on SPARC with LIR")                            \
223                                                                            \
224  develop_pd(bool, CSEArrayLength,                                          \
225          "Create separate nodes for length in array accesses")             \
226                                                                            \
227  develop_pd(bool, TwoOperandLIRForm,                                       \
228          "true if LIR requires src1 and dst to match in binary LIR ops")   \
229                                                                            \
230  develop(intx, TraceLinearScanLevel, 0,                                    \
231          "Debug levels for the linear scan allocator")                     \
232          range(0, 4)                                                       \
233                                                                            \
234  develop(bool, StressLinearScan, false,                                    \
235          "scramble block order used by LinearScan (stress test)")          \
236                                                                            \
237  product(bool, TimeLinearScan, false,                                      \
238          "detailed timing of LinearScan phases")                           \
239                                                                            \
240  develop(bool, TimeEachLinearScan, false,                                  \
241          "print detailed timing of each LinearScan run")                   \
242                                                                            \
243  develop(bool, CountLinearScan, false,                                     \
244          "collect statistic counters during LinearScan")                   \
245                                                                            \
246  /* C1 variable */                                                         \
247                                                                            \
248  develop(bool, C1Breakpoint, false,                                        \
249          "Sets a breakpoint at entry of each compiled method")             \
250                                                                            \
251  develop(bool, ImplicitDiv0Checks, true,                                   \
252          "Use implicit division by zero checks")                           \
253                                                                            \
254  develop(bool, PinAllInstructions, false,                                  \
255          "All instructions are pinned")                                    \
256                                                                            \
257  develop(bool, UseFastNewInstance, true,                                   \
258          "Use fast inlined instance allocation")                           \
259                                                                            \
260  develop(bool, UseFastNewTypeArray, true,                                  \
261          "Use fast inlined type array allocation")                         \
262                                                                            \
263  develop(bool, UseFastNewObjectArray, true,                                \
264          "Use fast inlined object array allocation")                       \
265                                                                            \
266  develop(bool, UseFastLocking, true,                                       \
267          "Use fast inlined locking code")                                  \
268                                                                            \
269  develop(bool, UseSlowPath, false,                                         \
270          "For debugging: test slow cases by always using them")            \
271                                                                            \
272  develop(bool, GenerateArrayStoreCheck, true,                              \
273          "Generates code for array store checks")                          \
274                                                                            \
275  develop(bool, DeoptC1, true,                                              \
276          "Use deoptimization in C1")                                       \
277                                                                            \
278  develop(bool, PrintBailouts, false,                                       \
279          "Print bailout and its reason")                                   \
280                                                                            \
281  develop(bool, TracePatching, false,                                       \
282         "Trace patching of field access on uninitialized classes")         \
283                                                                            \
284  develop(bool, PatchALot, false,                                           \
285          "Marks all fields as having unloaded classes")                    \
286                                                                            \
287  develop(bool, PrintNotLoaded, false,                                      \
288          "Prints where classes are not loaded during code generation")     \
289                                                                            \
290  develop(bool, PrintLIR, false,                                            \
291          "print low-level IR")                                             \
292                                                                            \
293  develop(bool, BailoutAfterHIR, false,                                     \
294          "bailout of compilation after building of HIR")                   \
295                                                                            \
296  develop(bool, BailoutAfterLIR, false,                                     \
297          "bailout of compilation after building of LIR")                   \
298                                                                            \
299  develop(bool, BailoutOnExceptionHandlers, false,                          \
300          "bailout of compilation for methods with exception handlers")     \
301                                                                            \
302  develop(bool, InstallMethods, true,                                       \
303          "Install methods at the end of successful compilations")          \
304                                                                            \
305  develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
306          "Maximum size of a compiled method.")                             \
307          range(0, max_jint)                                                \
308                                                                            \
309  develop(bool, TraceFPUStack, false,                                       \
310          "Trace emulation of the FPU stack (intel only)")                  \
311                                                                            \
312  develop(bool, TraceFPURegisterUsage, false,                               \
313          "Trace usage of FPU registers at start of blocks (intel only)")   \
314                                                                            \
315  develop(bool, OptimizeUnsafes, true,                                      \
316          "Optimize raw unsafe ops")                                        \
317                                                                            \
318  develop(bool, PrintUnsafeOptimization, false,                             \
319          "Print optimization of raw unsafe ops")                           \
320                                                                            \
321  develop(intx, InstructionCountCutoff, 37000,                              \
322          "If GraphBuilder adds this many instructions, bails out")         \
323          range(0, max_jint)                                                \
324                                                                            \
325  develop(bool, ComputeExactFPURegisterUsage, true,                         \
326          "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
327                                                                            \
328  product(bool, C1ProfileCalls, true,                                       \
329          "Profile calls when generating code for updating MDOs")           \
330                                                                            \
331  product(bool, C1ProfileVirtualCalls, true,                                \
332          "Profile virtual calls when generating code for updating MDOs")   \
333                                                                            \
334  product(bool, C1ProfileInlinedCalls, true,                                \
335          "Profile inlined calls when generating code for updating MDOs")   \
336                                                                            \
337  product(bool, C1ProfileBranches, true,                                    \
338          "Profile branches when generating code for updating MDOs")        \
339                                                                            \
340  product(bool, C1ProfileCheckcasts, true,                                  \
341          "Profile checkcasts when generating code for updating MDOs")      \
342                                                                            \
343  product(bool, C1OptimizeVirtualCallProfiling, true,                       \
344          "Use CHA and exact type results at call sites when updating MDOs")\
345                                                                            \
346  product(bool, C1UpdateMethodData, trueInTiered,                           \
347          "Update MethodData*s in Tier1-generated code")                    \
348                                                                            \
349  develop(bool, PrintCFGToFile, false,                                      \
350          "print control flow graph to a separate file during compilation") \
351                                                                            \
352// Read default values for c1 globals
353
354C1_FLAGS(DECLARE_DEVELOPER_FLAG, \
355         DECLARE_PD_DEVELOPER_FLAG, \
356         DECLARE_PRODUCT_FLAG, \
357         DECLARE_PD_PRODUCT_FLAG, \
358         DECLARE_DIAGNOSTIC_FLAG, \
359         DECLARE_NOTPRODUCT_FLAG, \
360         IGNORE_RANGE, \
361         IGNORE_CONSTRAINT, \
362         IGNORE_WRITEABLE)
363
364#endif // SHARE_VM_C1_C1_GLOBALS_HPP
365