c1_globals.hpp revision 3602:da91efe96a93
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_bsd
51# include "c1_globals_bsd.hpp"
52#endif
53
54//
55// Defines all global flags used by the client compiler.
56//
57#define C1_FLAGS(develop, develop_pd, product, product_pd, notproduct)      \
58                                                                            \
59  /* Printing */                                                            \
60  notproduct(bool, PrintC1Statistics, false,                                \
61          "Print Compiler1 statistics" )                                    \
62                                                                            \
63  notproduct(bool, PrintInitialBlockList, false,                            \
64          "Print block list of BlockListBuilder")                           \
65                                                                            \
66  notproduct(bool, PrintCFG, false,                                         \
67          "Print control flow graph after each change")                     \
68                                                                            \
69  notproduct(bool, PrintCFG0, false,                                        \
70          "Print control flow graph after construction")                    \
71                                                                            \
72  notproduct(bool, PrintCFG1, false,                                        \
73          "Print control flow graph after optimizations")                   \
74                                                                            \
75  notproduct(bool, PrintCFG2, false,                                        \
76          "Print control flow graph before code generation")                \
77                                                                            \
78  notproduct(bool, PrintIRDuringConstruction, false,                        \
79          "Print IR as it's being constructed (helpful for debugging frontend)")\
80                                                                            \
81  notproduct(bool, PrintPhiFunctions, false,                                \
82          "Print phi functions when they are created and simplified")       \
83                                                                            \
84  notproduct(bool, PrintIR, false,                                          \
85          "Print full intermediate representation after each change")       \
86                                                                            \
87  notproduct(bool, PrintIR0, false,                                         \
88          "Print full intermediate representation after construction")      \
89                                                                            \
90  notproduct(bool, PrintIR1, false,                                         \
91          "Print full intermediate representation after optimizations")     \
92                                                                            \
93  notproduct(bool, PrintIR2, false,                                         \
94          "Print full intermediate representation before code generation")  \
95                                                                            \
96  notproduct(bool, PrintSimpleStubs, false,                                 \
97          "Print SimpleStubs")                                              \
98                                                                            \
99  /* C1 optimizations */                                                    \
100                                                                            \
101  develop(bool, UseC1Optimizations, true,                                   \
102          "Turn on C1 optimizations")                                       \
103                                                                            \
104  develop(bool, SelectivePhiFunctions, true,                                \
105          "create phi functions at loop headers only when necessary")       \
106                                                                            \
107  develop(bool, OptimizeIfOps, true,                                        \
108          "Optimize multiple IfOps")                                        \
109                                                                            \
110  develop(bool, DoCEE, true,                                                \
111          "Do Conditional Expression Elimination to simplify CFG")          \
112                                                                            \
113  develop(bool, PrintCEE, false,                                            \
114          "Print Conditional Expression Elimination")                       \
115                                                                            \
116  develop(bool, UseLocalValueNumbering, true,                               \
117          "Use Local Value Numbering (embedded in GraphBuilder)")           \
118                                                                            \
119  develop(bool, UseGlobalValueNumbering, true,                              \
120          "Use Global Value Numbering (separate phase)")                    \
121                                                                            \
122  develop(bool, PrintValueNumbering, false,                                 \
123          "Print Value Numbering")                                          \
124                                                                            \
125  product(intx, ValueMapInitialSize, 11,                                    \
126          "Initial size of a value map")                                    \
127                                                                            \
128  product(intx, ValueMapMaxLoopSize, 8,                                     \
129          "maximum size of a loop optimized by global value numbering")     \
130                                                                            \
131  develop(bool, EliminateBlocks, true,                                      \
132          "Eliminate unneccessary basic blocks")                            \
133                                                                            \
134  develop(bool, PrintBlockElimination, false,                               \
135          "Print basic block elimination")                                  \
136                                                                            \
137  develop(bool, EliminateNullChecks, true,                                  \
138          "Eliminate unneccessary null checks")                             \
139                                                                            \
140  develop(bool, PrintNullCheckElimination, false,                           \
141          "Print null check elimination")                                   \
142                                                                            \
143  develop(bool, EliminateFieldAccess, true,                                 \
144          "Optimize field loads and stores")                                \
145                                                                            \
146  develop(bool, InlineMethodsWithExceptionHandlers, true,                   \
147          "Inline methods containing exception handlers "                   \
148          "(NOTE: does not work with current backend)")                     \
149                                                                            \
150  develop(bool, InlineSynchronizedMethods, true,                            \
151          "Inline synchronized methods")                                    \
152                                                                            \
153  develop(bool, InlineNIOCheckIndex, true,                                  \
154          "Intrinsify java.nio.Buffer.checkIndex")                          \
155                                                                            \
156  develop(bool, CanonicalizeNodes, true,                                    \
157          "Canonicalize graph nodes")                                       \
158                                                                            \
159  develop(bool, PrintCanonicalization, false,                               \
160          "Print graph node canonicalization")                              \
161                                                                            \
162  develop(bool, UseTableRanges, true,                                       \
163          "Faster versions of lookup table using ranges")                   \
164                                                                            \
165  develop_pd(bool, RoundFPResults,                                          \
166          "Indicates whether rounding is needed for floating point results")\
167                                                                            \
168  develop(intx, NestedInliningSizeRatio, 90,                                \
169          "Percentage of prev. allowed inline size in recursive inlining")  \
170                                                                            \
171  notproduct(bool, PrintIRWithLIR, false,                                   \
172          "Print IR instructions with generated LIR")                       \
173                                                                            \
174  notproduct(bool, PrintLIRWithAssembly, false,                             \
175          "Show LIR instruction with generated assembly")                   \
176                                                                            \
177  develop(bool, CommentedAssembly, trueInDebug,                             \
178          "Show extra info in PrintNMethods output")                        \
179                                                                            \
180  develop(bool, LIRTracePeephole, false,                                    \
181          "Trace peephole optimizer")                                       \
182                                                                            \
183  develop(bool, LIRTraceExecution, false,                                   \
184          "add LIR code which logs the execution of blocks")                \
185                                                                            \
186  product_pd(bool, LIRFillDelaySlots,                                       \
187             "fill delays on on SPARC with LIR")                            \
188                                                                            \
189  develop_pd(bool, CSEArrayLength,                                          \
190          "Create separate nodes for length in array accesses")             \
191                                                                            \
192  develop_pd(bool, TwoOperandLIRForm,                                       \
193          "true if LIR requires src1 and dst to match in binary LIR ops")   \
194                                                                            \
195  develop(intx, TraceLinearScanLevel, 0,                                    \
196          "Debug levels for the linear scan allocator")                     \
197                                                                            \
198  develop(bool, StressLinearScan, false,                                    \
199          "scramble block order used by LinearScan (stress test)")          \
200                                                                            \
201  product(bool, TimeLinearScan, false,                                      \
202          "detailed timing of LinearScan phases")                           \
203                                                                            \
204  develop(bool, TimeEachLinearScan, false,                                  \
205          "print detailed timing of each LinearScan run")                   \
206                                                                            \
207  develop(bool, CountLinearScan, false,                                     \
208          "collect statistic counters during LinearScan")                   \
209                                                                            \
210  /* C1 variable */                                                         \
211                                                                            \
212  develop(bool, C1Breakpoint, false,                                        \
213          "Sets a breakpoint at entry of each compiled method")             \
214                                                                            \
215  develop(bool, ImplicitDiv0Checks, true,                                   \
216          "Use implicit division by zero checks")                           \
217                                                                            \
218  develop(bool, PinAllInstructions, false,                                  \
219          "All instructions are pinned")                                    \
220                                                                            \
221  develop(bool, UseFastNewInstance, true,                                   \
222          "Use fast inlined instance allocation")                           \
223                                                                            \
224  develop(bool, UseFastNewTypeArray, true,                                  \
225          "Use fast inlined type array allocation")                         \
226                                                                            \
227  develop(bool, UseFastNewObjectArray, true,                                \
228          "Use fast inlined object array allocation")                       \
229                                                                            \
230  develop(bool, UseFastLocking, true,                                       \
231          "Use fast inlined locking code")                                  \
232                                                                            \
233  develop(bool, UseSlowPath, false,                                         \
234          "For debugging: test slow cases by always using them")            \
235                                                                            \
236  develop(bool, GenerateArrayStoreCheck, true,                              \
237          "Generates code for array store checks")                          \
238                                                                            \
239  develop(bool, DeoptC1, true,                                              \
240          "Use deoptimization in C1")                                       \
241                                                                            \
242  develop(bool, PrintBailouts, false,                                       \
243          "Print bailout and its reason")                                   \
244                                                                            \
245  develop(bool, TracePatching, false,                                       \
246         "Trace patching of field access on uninitialized classes")         \
247                                                                            \
248  develop(bool, PatchALot, false,                                           \
249          "Marks all fields as having unloaded classes")                    \
250                                                                            \
251  develop(bool, PrintNotLoaded, false,                                      \
252          "Prints where classes are not loaded during code generation")     \
253                                                                            \
254  notproduct(bool, VerifyOopMaps, false,                                    \
255          "Adds oopmap verification code to the generated code")            \
256                                                                            \
257  develop(bool, PrintLIR, false,                                            \
258          "print low-level IR")                                             \
259                                                                            \
260  develop(bool, BailoutAfterHIR, false,                                     \
261          "bailout of compilation after building of HIR")                   \
262                                                                            \
263  develop(bool, BailoutAfterLIR, false,                                     \
264          "bailout of compilation after building of LIR")                   \
265                                                                            \
266  develop(bool, BailoutOnExceptionHandlers, false,                          \
267          "bailout of compilation for methods with exception handlers")     \
268                                                                            \
269  develop(bool, InstallMethods, true,                                       \
270          "Install methods at the end of successful compilations")          \
271                                                                            \
272  product(intx, CompilationRepeat, 0,                                       \
273          "Number of times to recompile method before returning result")    \
274                                                                            \
275  develop(intx, NMethodSizeLimit, (64*K)*wordSize,                          \
276          "Maximum size of a compiled method.")                             \
277                                                                            \
278  develop(bool, TraceFPUStack, false,                                       \
279          "Trace emulation of the FPU stack (intel only)")                  \
280                                                                            \
281  develop(bool, TraceFPURegisterUsage, false,                               \
282          "Trace usage of FPU registers at start of blocks (intel only)")   \
283                                                                            \
284  develop(bool, OptimizeUnsafes, true,                                      \
285          "Optimize raw unsafe ops")                                        \
286                                                                            \
287  develop(bool, PrintUnsafeOptimization, false,                             \
288          "Print optimization of raw unsafe ops")                           \
289                                                                            \
290  develop(intx, InstructionCountCutoff, 37000,                              \
291          "If GraphBuilder adds this many instructions, bails out")         \
292                                                                            \
293  product_pd(intx, SafepointPollOffset,                                     \
294          "Offset added to polling address (Intel only)")                   \
295                                                                            \
296  develop(bool, ComputeExactFPURegisterUsage, true,                         \
297          "Compute additional live set for fpu registers to simplify fpu stack merge (Intel only)") \
298                                                                            \
299  product(bool, C1ProfileCalls, true,                                       \
300          "Profile calls when generating code for updating MDOs")           \
301                                                                            \
302  product(bool, C1ProfileVirtualCalls, true,                                \
303          "Profile virtual calls when generating code for updating MDOs")   \
304                                                                            \
305  product(bool, C1ProfileInlinedCalls, true,                                \
306          "Profile inlined calls when generating code for updating MDOs")   \
307                                                                            \
308  product(bool, C1ProfileBranches, true,                                    \
309          "Profile branches when generating code for updating MDOs")        \
310                                                                            \
311  product(bool, C1ProfileCheckcasts, true,                                  \
312          "Profile checkcasts when generating code for updating MDOs")      \
313                                                                            \
314  product(bool, C1OptimizeVirtualCallProfiling, true,                       \
315          "Use CHA and exact type results at call sites when updating MDOs")\
316                                                                            \
317  product(bool, C1UpdateMethodData, trueInTiered,                           \
318          "Update MethodData*s in Tier1-generated code")                  \
319                                                                            \
320  develop(bool, PrintCFGToFile, false,                                      \
321          "print control flow graph to a separate file during compilation") \
322                                                                            \
323
324
325// Read default values for c1 globals
326
327C1_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_NOTPRODUCT_FLAG)
328
329#endif // SHARE_VM_C1_C1_GLOBALS_HPP
330