Mercurial > hg > truffle
annotate src/share/vm/opto/c2_globals.hpp @ 17865:fa21c9537e6e
8035667: EventMetaspaceSummary doesn't report committed Metaspace memory
Reviewed-by: jmasa, stefank
author | ehelin |
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date | Wed, 26 Mar 2014 14:15:02 +0100 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OPTO_C2_GLOBALS_HPP |
26 #define SHARE_VM_OPTO_C2_GLOBALS_HPP | |
27 | |
28 #include "runtime/globals.hpp" | |
29 #ifdef TARGET_ARCH_x86 | |
30 # include "c2_globals_x86.hpp" | |
31 #endif | |
32 #ifdef TARGET_ARCH_sparc | |
33 # include "c2_globals_sparc.hpp" | |
34 #endif | |
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35 #ifdef TARGET_ARCH_arm |
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36 # include "c2_globals_arm.hpp" |
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37 #endif |
14391 | 38 #ifdef TARGET_ARCH_ppc |
39 # include "c2_globals_ppc.hpp" | |
40 #endif | |
1972 | 41 #ifdef TARGET_OS_FAMILY_linux |
42 # include "c2_globals_linux.hpp" | |
43 #endif | |
44 #ifdef TARGET_OS_FAMILY_solaris | |
45 # include "c2_globals_solaris.hpp" | |
46 #endif | |
47 #ifdef TARGET_OS_FAMILY_windows | |
48 # include "c2_globals_windows.hpp" | |
49 #endif | |
14411 | 50 #ifdef TARGET_OS_FAMILY_aix |
51 # include "c2_globals_aix.hpp" | |
52 #endif | |
3960 | 53 #ifdef TARGET_OS_FAMILY_bsd |
54 # include "c2_globals_bsd.hpp" | |
55 #endif | |
1972 | 56 |
0 | 57 // |
58 // Defines all globals flags used by the server compiler. | |
59 // | |
60 | |
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61 #define C2_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct) \ |
0 | 62 \ |
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63 develop(bool, StressLCM, false, \ |
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64 "Randomize instruction scheduling in LCM") \ |
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65 \ |
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66 develop(bool, StressGCM, false, \ |
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67 "Randomize instruction scheduling in GCM") \ |
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68 \ |
0 | 69 notproduct(intx, CompileZapFirst, 0, \ |
70 "If +ZapDeadCompiledLocals, " \ | |
71 "skip this many before compiling in zap calls") \ | |
72 \ | |
73 notproduct(intx, CompileZapLast, -1, \ | |
74 "If +ZapDeadCompiledLocals, " \ | |
75 "compile this many after skipping (incl. skip count, -1 = all)") \ | |
76 \ | |
77 notproduct(intx, ZapDeadCompiledLocalsFirst, 0, \ | |
78 "If +ZapDeadCompiledLocals, " \ | |
79 "skip this many before really doing it") \ | |
80 \ | |
81 notproduct(intx, ZapDeadCompiledLocalsLast, -1, \ | |
82 "If +ZapDeadCompiledLocals, " \ | |
83 "do this many after skipping (incl. skip count, -1 = all)") \ | |
84 \ | |
85 develop(intx, OptoPrologueNops, 0, \ | |
86 "Insert this many extra nop instructions " \ | |
87 "in the prologue of every nmethod") \ | |
88 \ | |
89 product_pd(intx, InteriorEntryAlignment, \ | |
90 "Code alignment for interior entry points " \ | |
91 "in generated code (in bytes)") \ | |
92 \ | |
93 product(intx, MaxLoopPad, (OptoLoopAlignment-1), \ | |
94 "Align a loop if padding size in bytes is less or equal to this value") \ | |
95 \ | |
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96 product(intx, MaxVectorSize, 32, \ |
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97 "Max vector size in bytes, " \ |
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98 "actual size could be less depending on elements type") \ |
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99 \ |
6794 | 100 product(bool, AlignVector, true, \ |
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101 "Perform vector store/load alignment in loop") \ |
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102 \ |
0 | 103 product(intx, NumberOfLoopInstrToAlign, 4, \ |
104 "Number of first instructions in a loop to align") \ | |
105 \ | |
106 notproduct(intx, IndexSetWatch, 0, \ | |
107 "Trace all operations on this IndexSet (-1 means all, 0 none)") \ | |
108 \ | |
109 develop(intx, OptoNodeListSize, 4, \ | |
110 "Starting allocation size of Node_List data structures") \ | |
111 \ | |
112 develop(intx, OptoBlockListSize, 8, \ | |
113 "Starting allocation size of Block_List data structures") \ | |
114 \ | |
115 develop(intx, OptoPeepholeAt, -1, \ | |
116 "Apply peephole optimizations to this peephole rule") \ | |
117 \ | |
118 notproduct(bool, PrintIdeal, false, \ | |
119 "Print ideal graph before code generation") \ | |
120 \ | |
121 notproduct(bool, PrintOpto, false, \ | |
122 "Print compiler2 attempts") \ | |
123 \ | |
124 notproduct(bool, PrintOptoInlining, false, \ | |
125 "Print compiler2 inlining decisions") \ | |
126 \ | |
127 notproduct(bool, VerifyOpto, false, \ | |
128 "Apply more time consuming verification during compilation") \ | |
129 \ | |
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130 notproduct(bool, VerifyIdealNodeCount, false, \ |
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131 "Verify that tracked dead ideal node count is accurate") \ |
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132 \ |
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133 notproduct(bool, PrintIdealNodeCount, false, \ |
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134 "Print liveness counts of ideal nodes") \ |
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135 \ |
0 | 136 notproduct(bool, VerifyOptoOopOffsets, false, \ |
137 "Check types of base addresses in field references") \ | |
138 \ | |
139 develop(bool, IdealizedNumerics, false, \ | |
140 "Check performance difference allowing FP " \ | |
141 "associativity and commutativity...") \ | |
142 \ | |
143 develop(bool, OptoBreakpoint, false, \ | |
144 "insert breakpoint at method entry") \ | |
145 \ | |
146 notproduct(bool, OptoBreakpointOSR, false, \ | |
147 "insert breakpoint at osr method entry") \ | |
148 \ | |
149 notproduct(intx, BreakAtNode, 0, \ | |
150 "Break at construction of this Node (either _idx or _debug_idx)") \ | |
151 \ | |
152 notproduct(bool, OptoBreakpointC2R, false, \ | |
153 "insert breakpoint at runtime stub entry") \ | |
154 \ | |
155 notproduct(bool, OptoNoExecute, false, \ | |
156 "Attempt to parse and compile but do not execute generated code") \ | |
157 \ | |
158 notproduct(bool, PrintOptoStatistics, false, \ | |
159 "Print New compiler statistics") \ | |
160 \ | |
161 notproduct(bool, PrintOptoAssembly, false, \ | |
162 "Print New compiler assembly output") \ | |
163 \ | |
164 develop_pd(bool, OptoPeephole, \ | |
165 "Apply peephole optimizations after register allocation") \ | |
166 \ | |
167 develop(bool, OptoRemoveUseless, true, \ | |
168 "Remove useless nodes after parsing") \ | |
169 \ | |
170 notproduct(bool, PrintFrameConverterAssembly, false, \ | |
171 "Print New compiler assembly output for frame converters") \ | |
172 \ | |
173 notproduct(bool, PrintParseStatistics, false, \ | |
174 "Print nodes, transforms and new values made per bytecode parsed")\ | |
175 \ | |
176 notproduct(bool, PrintOptoPeephole, false, \ | |
177 "Print New compiler peephole replacements") \ | |
178 \ | |
179 develop(bool, PrintCFGBlockFreq, false, \ | |
180 "Print CFG block freqencies") \ | |
181 \ | |
182 develop(bool, TraceOptoParse, false, \ | |
183 "Trace bytecode parse and control-flow merge") \ | |
184 \ | |
185 product_pd(intx, LoopUnrollLimit, \ | |
186 "Unroll loop bodies with node count less than this") \ | |
187 \ | |
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188 product(intx, LoopMaxUnroll, 16, \ |
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189 "Maximum number of unrolls for main loop") \ |
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190 \ |
0 | 191 product(intx, LoopUnrollMin, 4, \ |
192 "Minimum number of unroll loop bodies before checking progress" \ | |
193 "of rounds of unroll,optimize,..") \ | |
194 \ | |
195 develop(intx, UnrollLimitForProfileCheck, 1, \ | |
196 "Don't use profile_trip_cnt() to restrict unrolling until " \ | |
197 "unrolling would push the number of unrolled iterations above " \ | |
198 "UnrollLimitForProfileCheck. A higher value allows more " \ | |
199 "unrolling. Zero acts as a very large value." ) \ | |
200 \ | |
201 product(intx, MultiArrayExpandLimit, 6, \ | |
202 "Maximum number of individual allocations in an inline-expanded " \ | |
203 "multianewarray instruction") \ | |
204 \ | |
205 notproduct(bool, TraceProfileTripCount, false, \ | |
206 "Trace profile loop trip count information") \ | |
207 \ | |
1172 | 208 product(bool, UseLoopPredicate, true, \ |
209 "Generate a predicate to select fast/slow loop versions") \ | |
210 \ | |
211 develop(bool, TraceLoopPredicate, false, \ | |
212 "Trace generation of loop predicates") \ | |
213 \ | |
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214 develop(bool, TraceLoopOpts, false, \ |
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215 "Trace executed loop optimizations") \ |
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216 \ |
3345 | 217 diagnostic(bool, LoopLimitCheck, true, \ |
218 "Generate a loop limits check for overflow") \ | |
219 \ | |
220 develop(bool, TraceLoopLimitCheck, false, \ | |
221 "Trace generation of loop limits checks") \ | |
222 \ | |
223 diagnostic(bool, RangeLimitCheck, true, \ | |
224 "Additional overflow checks during range check elimination") \ | |
225 \ | |
226 develop(bool, TraceRangeLimitCheck, false, \ | |
227 "Trace additional overflow checks in RCE") \ | |
228 \ | |
229 diagnostic(bool, UnrollLimitCheck, true, \ | |
230 "Additional overflow checks during loop unroll") \ | |
231 \ | |
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232 /* OptimizeFill not yet supported on PowerPC. */ \ |
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233 product(bool, OptimizeFill, true PPC64_ONLY(&& false), \ |
1763 | 234 "convert fill/copy loops into intrinsic") \ |
235 \ | |
236 develop(bool, TraceOptimizeFill, false, \ | |
237 "print detailed information about fill conversion") \ | |
238 \ | |
0 | 239 develop(bool, OptoCoalesce, true, \ |
240 "Use Conservative Copy Coalescing in the Register Allocator") \ | |
241 \ | |
242 develop(bool, UseUniqueSubclasses, true, \ | |
243 "Narrow an abstract reference to the unique concrete subclass") \ | |
244 \ | |
245 develop(bool, UseExactTypes, true, \ | |
246 "Use exact types to eliminate array store checks and v-calls") \ | |
247 \ | |
248 product(intx, TrackedInitializationLimit, 50, \ | |
249 "When initializing fields, track up to this many words") \ | |
250 \ | |
251 product(bool, ReduceFieldZeroing, true, \ | |
252 "When initializing fields, try to avoid needless zeroing") \ | |
253 \ | |
254 product(bool, ReduceInitialCardMarks, true, \ | |
255 "When initializing fields, try to avoid needless card marks") \ | |
256 \ | |
257 product(bool, ReduceBulkZeroing, true, \ | |
258 "When bulk-initializing, try to avoid needless zeroing") \ | |
259 \ | |
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260 product(bool, UseFPUForSpilling, false, \ |
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261 "Spill integer registers to FPU instead of stack when possible") \ |
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262 \ |
0 | 263 develop_pd(intx, RegisterCostAreaRatio, \ |
264 "Spill selection in reg allocator: scale area by (X/64K) before " \ | |
265 "adding cost") \ | |
266 \ | |
267 develop_pd(bool, UseCISCSpill, \ | |
268 "Use ADLC supplied cisc instructions during allocation") \ | |
269 \ | |
270 notproduct(bool, VerifyGraphEdges , false, \ | |
271 "Verify Bi-directional Edges") \ | |
272 \ | |
273 notproduct(bool, VerifyDUIterators, true, \ | |
274 "Verify the safety of all iterations of Bi-directional Edges") \ | |
275 \ | |
276 notproduct(bool, VerifyHashTableKeys, true, \ | |
277 "Verify the immutability of keys in the VN hash tables") \ | |
278 \ | |
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279 notproduct(bool, VerifyRegisterAllocator , false, \ |
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280 "Verify Register Allocator") \ |
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281 \ |
0 | 282 develop_pd(intx, FLOATPRESSURE, \ |
283 "Number of float LRG's that constitute high register pressure") \ | |
284 \ | |
285 develop_pd(intx, INTPRESSURE, \ | |
286 "Number of integer LRG's that constitute high register pressure") \ | |
287 \ | |
288 notproduct(bool, TraceOptoPipelining, false, \ | |
289 "Trace pipelining information") \ | |
290 \ | |
291 notproduct(bool, TraceOptoOutput, false, \ | |
292 "Trace pipelining information") \ | |
293 \ | |
294 product_pd(bool, OptoScheduling, \ | |
295 "Instruction Scheduling after register allocation") \ | |
296 \ | |
297 product(bool, PartialPeelLoop, true, \ | |
298 "Partial peel (rotate) loops") \ | |
299 \ | |
300 product(intx, PartialPeelNewPhiDelta, 0, \ | |
301 "Additional phis that can be created by partial peeling") \ | |
302 \ | |
303 notproduct(bool, TracePartialPeeling, false, \ | |
304 "Trace partial peeling (loop rotation) information") \ | |
305 \ | |
306 product(bool, PartialPeelAtUnsignedTests, true, \ | |
307 "Partial peel at unsigned tests if no signed test exists") \ | |
308 \ | |
309 product(bool, ReassociateInvariants, true, \ | |
310 "Enable reassociation of expressions with loop invariants.") \ | |
311 \ | |
312 product(bool, LoopUnswitching, true, \ | |
313 "Enable loop unswitching (a form of invariant test hoisting)") \ | |
314 \ | |
315 notproduct(bool, TraceLoopUnswitching, false, \ | |
316 "Trace loop unswitching") \ | |
317 \ | |
318 product(bool, UseSuperWord, true, \ | |
319 "Transform scalar operations into superword operations") \ | |
320 \ | |
321 develop(bool, SuperWordRTDepCheck, false, \ | |
322 "Enable runtime dependency checks.") \ | |
323 \ | |
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324 notproduct(bool, TraceSuperWord, false, \ |
0 | 325 "Trace superword transforms") \ |
326 \ | |
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327 notproduct(bool, TraceNewVectors, false, \ |
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328 "Trace creation of Vector nodes") \ |
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329 \ |
0 | 330 product_pd(bool, OptoBundling, \ |
331 "Generate nops to fill i-cache lines") \ | |
332 \ | |
333 product_pd(intx, ConditionalMoveLimit, \ | |
334 "Limit of ops to make speculative when using CMOVE") \ | |
335 \ | |
336 /* Set BranchOnRegister == false. See 4965987. */ \ | |
337 product(bool, BranchOnRegister, false, \ | |
338 "Use Sparc V9 branch-on-register opcodes") \ | |
339 \ | |
340 develop(bool, SparcV9RegsHiBitsZero, true, \ | |
341 "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \ | |
342 \ | |
2008 | 343 product(bool, UseRDPCForConstantTableBase, false, \ |
344 "Use Sparc RDPC instruction for the constant table base.") \ | |
345 \ | |
0 | 346 develop(intx, PrintIdealGraphLevel, 0, \ |
347 "Print ideal graph to XML file / network interface. " \ | |
348 "By default attempts to connect to the visualizer on a socket.") \ | |
349 \ | |
350 develop(intx, PrintIdealGraphPort, 4444, \ | |
351 "Ideal graph printer to network port") \ | |
352 \ | |
434 | 353 notproduct(ccstr, PrintIdealGraphAddress, "127.0.0.1", \ |
0 | 354 "IP address to connect to visualizer") \ |
355 \ | |
434 | 356 notproduct(ccstr, PrintIdealGraphFile, NULL, \ |
0 | 357 "File to dump ideal graph to. If set overrides the " \ |
358 "use of the network") \ | |
359 \ | |
17680 | 360 product(bool, UseOldInlining, true, \ |
361 "Enable the 1.3 inlining strategy") \ | |
362 \ | |
0 | 363 product(bool, UseBimorphicInlining, true, \ |
364 "Profiling based inlining for two receivers") \ | |
365 \ | |
366 product(bool, UseOnlyInlinedBimorphic, true, \ | |
367 "Don't use BimorphicInlining if can't inline a second method") \ | |
368 \ | |
369 product(bool, InsertMemBarAfterArraycopy, true, \ | |
370 "Insert memory barrier after arraycopy call") \ | |
371 \ | |
1685 | 372 develop(bool, SubsumeLoads, true, \ |
373 "Attempt to compile while subsuming loads into machine instructions.") \ | |
374 \ | |
375 develop(bool, StressRecompilation, false, \ | |
376 "Recompile each compiled method without subsuming loads or escape analysis.") \ | |
377 \ | |
0 | 378 develop(intx, ImplicitNullCheckThreshold, 3, \ |
379 "Don't do implicit null checks if NPE's in a method exceeds limit") \ | |
380 \ | |
381 product(intx, LoopOptsCount, 43, \ | |
382 "Set level of loop optimization for tier 1 compiles") \ | |
383 \ | |
384 /* controls for heat-based inlining */ \ | |
385 \ | |
386 develop(intx, NodeCountInliningCutoff, 18000, \ | |
387 "If parser node generation exceeds limit stop inlining") \ | |
388 \ | |
389 develop(intx, NodeCountInliningStep, 1000, \ | |
390 "Target size of warm calls inlined between optimization passes") \ | |
391 \ | |
392 develop(bool, InlineWarmCalls, false, \ | |
393 "Use a heat-based priority queue to govern inlining") \ | |
394 \ | |
395 develop(intx, HotCallCountThreshold, 999999, \ | |
396 "large numbers of calls (per method invocation) force hotness") \ | |
397 \ | |
398 develop(intx, HotCallProfitThreshold, 999999, \ | |
399 "highly profitable inlining opportunities force hotness") \ | |
400 \ | |
401 develop(intx, HotCallTrivialWork, -1, \ | |
402 "trivial execution time (no larger than this) forces hotness") \ | |
403 \ | |
404 develop(intx, HotCallTrivialSize, -1, \ | |
405 "trivial methods (no larger than this) force calls to be hot") \ | |
406 \ | |
407 develop(intx, WarmCallMinCount, -1, \ | |
408 "number of calls (per method invocation) to enable inlining") \ | |
409 \ | |
410 develop(intx, WarmCallMinProfit, -1, \ | |
411 "number of calls (per method invocation) to enable inlining") \ | |
412 \ | |
413 develop(intx, WarmCallMaxWork, 999999, \ | |
414 "execution time of the largest inlinable method") \ | |
415 \ | |
416 develop(intx, WarmCallMaxSize, 999999, \ | |
417 "size of the largest inlinable method") \ | |
418 \ | |
10999
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8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
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419 product(intx, MaxNodeLimit, 80000, \ |
0 | 420 "Maximum number of nodes") \ |
421 \ | |
10999
693e4d04fd09
8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
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422 product(intx, NodeLimitFudgeFactor, 2000, \ |
0 | 423 "Fudge Factor for certain optimizations") \ |
424 \ | |
425 product(bool, UseJumpTables, true, \ | |
426 "Use JumpTables instead of a binary search tree for switches") \ | |
427 \ | |
428 product(bool, UseDivMod, true, \ | |
429 "Use combined DivMod instruction if available") \ | |
430 \ | |
12192
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8010941: MinJumpTableSize is set to 18, investigate if that's still optimal
adlertz
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changeset
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431 product_pd(intx, MinJumpTableSize, \ |
0 | 432 "Minimum number of targets in a generated jump table") \ |
433 \ | |
434 product(intx, MaxJumpTableSize, 65000, \ | |
435 "Maximum number of targets in a generated jump table") \ | |
436 \ | |
437 product(intx, MaxJumpTableSparseness, 5, \ | |
438 "Maximum sparseness for jumptables") \ | |
439 \ | |
440 product(bool, EliminateLocks, true, \ | |
441 "Coarsen locks when possible") \ | |
442 \ | |
4777 | 443 product(bool, EliminateNestedLocks, true, \ |
444 "Eliminate nested locks of the same object when possible") \ | |
445 \ | |
0 | 446 notproduct(bool, PrintLockStatistics, false, \ |
447 "Print precise statistics on the dynamic lock usage") \ | |
448 \ | |
449 diagnostic(bool, PrintPreciseBiasedLockingStatistics, false, \ | |
450 "Print per-lock-site statistics of biased locking in JVM") \ | |
451 \ | |
17780 | 452 diagnostic(bool, PrintPreciseRTMLockingStatistics, false, \ |
453 "Print per-lock-site statistics of rtm locking in JVM") \ | |
454 \ | |
0 | 455 notproduct(bool, PrintEliminateLocks, false, \ |
456 "Print out when locks are eliminated") \ | |
457 \ | |
17511
2185d483f5f8
8032566: Crash in JIT when running Scala compiler (and compiling Scala std lib)
kvn
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13421
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changeset
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458 product(bool, EliminateAutoBox, false, \ |
10278 | 459 "Control optimizations for autobox elimination") \ |
17
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6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
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diff
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460 \ |
17820 | 461 diagnostic(bool, UseImplicitStableValues, true, \ |
12190
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vlivanov
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462 "Mark well-known stable fields as such (e.g. String.value)") \ |
edb5ab0f3fe5
8001107: @Stable annotation for constant folding of lazily evaluated variables
vlivanov
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diff
changeset
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463 \ |
17
ff5961f4c095
6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long)
never
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0
diff
changeset
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464 product(intx, AutoBoxCacheMax, 128, \ |
ff5961f4c095
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diff
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465 "Sets max value cached by the java.lang.Integer autobox cache") \ |
ff5961f4c095
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diff
changeset
|
466 \ |
10278 | 467 experimental(bool, AggressiveUnboxing, false, \ |
468 "Control optimizations for aggressive boxing elimination") \ | |
469 \ | |
14428
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470 develop(bool, TracePostallocExpand, false, "Trace expanding nodes after" \ |
044b28168e20
8003854: PPC64 (part 115): Introduce PostallocExpand that expands nodes after register allocation
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471 " register allocation.") \ |
044b28168e20
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changeset
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472 \ |
930 | 473 product(bool, DoEscapeAnalysis, true, \ |
0 | 474 "Perform escape analysis") \ |
475 \ | |
6895
006174cfe979
7163534: VM could crashes assert(false) failed: infinite EA connection graph build
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476 develop(bool, ExitEscapeAnalysisOnTimeout, true, \ |
006174cfe979
7163534: VM could crashes assert(false) failed: infinite EA connection graph build
kvn
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diff
changeset
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477 "Exit or throw assert in EA when it reaches time limit") \ |
006174cfe979
7163534: VM could crashes assert(false) failed: infinite EA connection graph build
kvn
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478 \ |
0 | 479 notproduct(bool, PrintEscapeAnalysis, false, \ |
480 "Print the results of escape analysis") \ | |
481 \ | |
482 product(bool, EliminateAllocations, true, \ | |
483 "Use escape analysis to eliminate allocations") \ | |
484 \ | |
65 | 485 notproduct(bool, PrintEliminateAllocations, false, \ |
486 "Print out when allocations are eliminated") \ | |
487 \ | |
488 product(intx, EliminateAllocationArraySizeLimit, 64, \ | |
489 "Array size (number of elements) limit for scalar replacement") \ | |
490 \ | |
4113 | 491 product(bool, OptimizePtrCompare, true, \ |
492 "Use escape analysis to optimize pointers compare") \ | |
493 \ | |
494 notproduct(bool, PrintOptimizePtrCompare, false, \ | |
495 "Print information about optimized pointers compare") \ | |
496 \ | |
5948
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diff
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497 notproduct(bool, VerifyConnectionGraph , true, \ |
ee138854b3a6
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498 "Verify Connection Graph construction in Escape Analysis") \ |
ee138854b3a6
7147744: CTW: assert(false) failed: infinite EA connection graph build
kvn
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diff
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499 \ |
673 | 500 product(bool, UseOptoBiasInlining, true, \ |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
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418
diff
changeset
|
501 "Generate biased locking code in C2 ideal graph") \ |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
kvn
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418
diff
changeset
|
502 \ |
4039 | 503 product(bool, OptimizeStringConcat, true, \ |
1080
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
504 "Optimize the construction of Strings by StringBuilder") \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
505 \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
506 notproduct(bool, PrintOptimizeStringConcat, false, \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
507 "Print information about transformations performed on Strings") \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
508 \ |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
245
diff
changeset
|
509 product(intx, ValueSearchLimit, 1000, \ |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
245
diff
changeset
|
510 "Recursion limit in PhaseMacroExpand::value_from_mem_phi") \ |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
parents:
245
diff
changeset
|
511 \ |
0 | 512 product(intx, MaxLabelRootDepth, 1100, \ |
513 "Maximum times call Label_Root to prevent stack overflow") \ | |
155
723be81c1212
6701887: JDK7 server VM in endless loop in Node::dominates
kvn
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65
diff
changeset
|
514 \ |
723be81c1212
6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents:
65
diff
changeset
|
515 diagnostic(intx, DominatorSearchLimit, 1000, \ |
723be81c1212
6701887: JDK7 server VM in endless loop in Node::dominates
kvn
parents:
65
diff
changeset
|
516 "Iterations limit in Node::dominates") \ |
418 | 517 \ |
518 product(bool, BlockLayoutByFrequency, true, \ | |
519 "Use edge frequencies to drive block ordering") \ | |
520 \ | |
521 product(intx, BlockLayoutMinDiamondPercentage, 20, \ | |
522 "Miniumum %% of a successor (predecessor) for which block layout "\ | |
523 "a will allow a fork (join) in a single chain") \ | |
524 \ | |
673 | 525 product(bool, BlockLayoutRotateLoops, true, \ |
418 | 526 "Allow back branches to be fall throughs in the block layour") \ |
6633
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527 \ |
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changeset
|
528 develop(bool, InlineReflectionGetCallerClass, true, \ |
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diff
changeset
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529 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ |
a5dd6e3ef9f3
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changeset
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530 "of base library DLL") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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changeset
|
531 \ |
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6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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changeset
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532 develop(bool, InlineObjectCopy, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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diff
changeset
|
533 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
534 \ |
a5dd6e3ef9f3
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parents:
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diff
changeset
|
535 develop(bool, SpecialStringCompareTo, true, \ |
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6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
536 "special version of string compareTo") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
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diff
changeset
|
537 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
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diff
changeset
|
538 develop(bool, SpecialStringIndexOf, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
539 "special version of string indexOf") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
540 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
541 develop(bool, SpecialStringEquals, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
542 "special version of string equals") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
543 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
544 develop(bool, SpecialArraysEquals, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
545 "special version of Arrays.equals(char[],char[])") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
546 \ |
7637
b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents:
7473
diff
changeset
|
547 product(bool, SpecialEncodeISOArray, true, \ |
b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents:
7473
diff
changeset
|
548 "special version of ISO_8859_1$Encoder.encodeISOArray") \ |
b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents:
7473
diff
changeset
|
549 \ |
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
550 develop(bool, BailoutToInterpreterForThrows, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
551 "Compiled methods which throws/catches exceptions will be " \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
552 "deopt and intp.") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
553 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
554 develop(bool, ConvertCmpD2CmpF, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
555 "Convert cmpD to cmpF when one input is constant in float range") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
556 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
557 develop(bool, ConvertFloat2IntClipping, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
558 "Convert float2int clipping idiom to integer clipping") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
559 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
560 develop(bool, Use24BitFPMode, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
561 "Set 24-bit FPU mode on a per-compile basis ") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
562 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
563 develop(bool, Use24BitFP, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
564 "use FP instructions that produce 24-bit precise results") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
565 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
566 develop(bool, MonomorphicArrayCheck, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
567 "Uncommon-trap array store checks that require full type check") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
568 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
569 notproduct(bool, TracePhaseCCP, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
570 "Print progress during Conditional Constant Propagation") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
571 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
572 develop(bool, PrintDominators, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
573 "Print out dominator trees for GVN") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
574 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
575 notproduct(bool, TraceSpilling, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
576 "Trace spilling") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
577 \ |
6793 | 578 diagnostic(bool, TraceTypeProfile, false, \ |
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
579 "Trace type profile") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
580 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
581 develop(bool, PoisonOSREntry, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
582 "Detect abnormal calls to OSR code") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
583 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
584 product(bool, UseCondCardMark, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
585 "Check for already marked card before updating card table") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
586 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
587 develop(bool, SoftMatchFailure, trueInProduct, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
588 "If the DFA fails to match a node, print a message and bail out") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
589 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
590 develop(bool, InlineAccessors, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
591 "inline accessor methods (get/set)") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
592 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
593 product(intx, TypeProfileMajorReceiverPercent, 90, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
594 "% of major receiver type to all profiled receivers") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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595 \ |
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596 notproduct(bool, TimeCompiler2, false, \ |
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597 "detailed time the compiler (requires +TimeCompiler)") \ |
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598 \ |
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599 diagnostic(bool, PrintIntrinsics, false, \ |
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600 "prints attempted and successful inlining of intrinsics") \ |
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601 \ |
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602 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
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603 "do not expand intrinsics whose (internal) names appear here") \ |
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604 \ |
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605 develop(bool, StressReflectiveCode, false, \ |
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606 "Use inexact types at allocations, etc., to test reflection") \ |
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607 \ |
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608 diagnostic(bool, DebugInlinedCalls, true, \ |
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609 "If false, restricts profiled locations to the root method only") \ |
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610 \ |
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611 notproduct(bool, VerifyLoopOptimizations, false, \ |
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612 "verify major loop optimizations") \ |
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613 \ |
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614 diagnostic(bool, ProfileDynamicTypes, true, \ |
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615 "do extra type profiling and use it more aggressively") \ |
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616 \ |
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617 develop(bool, TraceIterativeGVN, false, \ |
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618 "Print progress during Iterative Global Value Numbering") \ |
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619 \ |
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620 develop(bool, VerifyIterativeGVN, false, \ |
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621 "Verify Def-Use modifications during sparse Iterative Global " \ |
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622 "Value Numbering") \ |
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623 \ |
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624 notproduct(bool, TraceCISCSpill, false, \ |
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625 "Trace allocators use of cisc spillable instructions") \ |
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626 \ |
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627 product(bool, SplitIfBlocks, true, \ |
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628 "Clone compares and control flow through merge points to fold " \ |
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629 "some branches") \ |
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630 \ |
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631 develop(intx, FreqCountInvocations, 1, \ |
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632 "Scaling factor for branch frequencies (deprecated)") \ |
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633 \ |
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634 product(intx, AliasLevel, 3, \ |
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635 "0 for no aliasing, 1 for oop/field/static/array split, " \ |
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636 "2 for class split, 3 for unique instances") \ |
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637 \ |
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638 develop(bool, VerifyAliases, false, \ |
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639 "perform extra checks on the results of alias analysis") \ |
7473 | 640 \ |
641 product(bool, IncrementalInline, true, \ | |
642 "do post parse inlining") \ | |
643 \ | |
644 develop(bool, AlwaysIncrementalInline, false, \ | |
645 "do all inlining incrementally") \ | |
646 \ | |
647 product(intx, LiveNodeCountInliningCutoff, 20000, \ | |
648 "max number of live nodes in a method") \ | |
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649 \ |
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650 diagnostic(bool, OptimizeExpensiveOps, true, \ |
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651 "Find best control for expensive operations") \ |
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653 product(bool, UseMathExactIntrinsics, true, \ |
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654 "Enables intrinsification of various java.lang.Math functions") \ |
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655 \ |
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656 experimental(bool, ReplaceInParentMaps, false, \ |
12966 | 657 "Propagate type improvements in callers of inlinee if possible") \ |
658 \ | |
17735 | 659 product(bool, UseTypeSpeculation, true, \ |
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660 "Speculatively propagate types from profiles") \ |
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661 \ |
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662 diagnostic(bool, UseInlineDepthForSpeculativeTypes, true, \ |
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663 "Carry inline depth of profile point with speculative type " \ |
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664 "and give priority to profiling from lower inline depth") \ |
17810 | 665 \ |
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666 product_pd(bool, TrapBasedRangeChecks, \ |
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667 "Generate code for range checks that uses a cmp and trap " \ |
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668 "instruction raising SIGTRAP. Used on PPC64.") \ |
0 | 669 |
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670 C2_FLAGS(DECLARE_DEVELOPER_FLAG, DECLARE_PD_DEVELOPER_FLAG, DECLARE_PRODUCT_FLAG, DECLARE_PD_PRODUCT_FLAG, DECLARE_DIAGNOSTIC_FLAG, DECLARE_EXPERIMENTAL_FLAG, DECLARE_NOTPRODUCT_FLAG) |
1972 | 671 |
672 #endif // SHARE_VM_OPTO_C2_GLOBALS_HPP |