Mercurial > hg > truffle
annotate src/share/vm/opto/c2_globals.hpp @ 7090:05ce1defa4f9
Common out some parts of UnsafeLoad/Store in UnsafeAccess
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 29 Nov 2012 13:24:08 +0100 |
parents | 006174cfe979 |
children | 2aff40cb4703 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, 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 |
1972 | 38 #ifdef TARGET_OS_FAMILY_linux |
39 # include "c2_globals_linux.hpp" | |
40 #endif | |
41 #ifdef TARGET_OS_FAMILY_solaris | |
42 # include "c2_globals_solaris.hpp" | |
43 #endif | |
44 #ifdef TARGET_OS_FAMILY_windows | |
45 # include "c2_globals_windows.hpp" | |
46 #endif | |
3960 | 47 #ifdef TARGET_OS_FAMILY_bsd |
48 # include "c2_globals_bsd.hpp" | |
49 #endif | |
1972 | 50 |
0 | 51 // |
52 // Defines all globals flags used by the server compiler. | |
53 // | |
54 | |
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55 #define C2_FLAGS(develop, develop_pd, product, product_pd, diagnostic, experimental, notproduct) \ |
0 | 56 \ |
57 notproduct(intx, CompileZapFirst, 0, \ | |
58 "If +ZapDeadCompiledLocals, " \ | |
59 "skip this many before compiling in zap calls") \ | |
60 \ | |
61 notproduct(intx, CompileZapLast, -1, \ | |
62 "If +ZapDeadCompiledLocals, " \ | |
63 "compile this many after skipping (incl. skip count, -1 = all)") \ | |
64 \ | |
65 notproduct(intx, ZapDeadCompiledLocalsFirst, 0, \ | |
66 "If +ZapDeadCompiledLocals, " \ | |
67 "skip this many before really doing it") \ | |
68 \ | |
69 notproduct(intx, ZapDeadCompiledLocalsLast, -1, \ | |
70 "If +ZapDeadCompiledLocals, " \ | |
71 "do this many after skipping (incl. skip count, -1 = all)") \ | |
72 \ | |
73 develop(intx, OptoPrologueNops, 0, \ | |
74 "Insert this many extra nop instructions " \ | |
75 "in the prologue of every nmethod") \ | |
76 \ | |
77 product_pd(intx, InteriorEntryAlignment, \ | |
78 "Code alignment for interior entry points " \ | |
79 "in generated code (in bytes)") \ | |
80 \ | |
81 product(intx, MaxLoopPad, (OptoLoopAlignment-1), \ | |
82 "Align a loop if padding size in bytes is less or equal to this value") \ | |
83 \ | |
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84 product(intx, MaxVectorSize, 32, \ |
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85 "Max vector size in bytes, " \ |
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86 "actual size could be less depending on elements type") \ |
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87 \ |
6794 | 88 product(bool, AlignVector, true, \ |
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89 "Perform vector store/load alignment in loop") \ |
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90 \ |
0 | 91 product(intx, NumberOfLoopInstrToAlign, 4, \ |
92 "Number of first instructions in a loop to align") \ | |
93 \ | |
94 notproduct(intx, IndexSetWatch, 0, \ | |
95 "Trace all operations on this IndexSet (-1 means all, 0 none)") \ | |
96 \ | |
97 develop(intx, OptoNodeListSize, 4, \ | |
98 "Starting allocation size of Node_List data structures") \ | |
99 \ | |
100 develop(intx, OptoBlockListSize, 8, \ | |
101 "Starting allocation size of Block_List data structures") \ | |
102 \ | |
103 develop(intx, OptoPeepholeAt, -1, \ | |
104 "Apply peephole optimizations to this peephole rule") \ | |
105 \ | |
106 notproduct(bool, PrintIdeal, false, \ | |
107 "Print ideal graph before code generation") \ | |
108 \ | |
109 notproduct(bool, PrintOpto, false, \ | |
110 "Print compiler2 attempts") \ | |
111 \ | |
112 notproduct(bool, PrintOptoInlining, false, \ | |
113 "Print compiler2 inlining decisions") \ | |
114 \ | |
115 notproduct(bool, VerifyOpto, false, \ | |
116 "Apply more time consuming verification during compilation") \ | |
117 \ | |
118 notproduct(bool, VerifyOptoOopOffsets, false, \ | |
119 "Check types of base addresses in field references") \ | |
120 \ | |
121 develop(bool, IdealizedNumerics, false, \ | |
122 "Check performance difference allowing FP " \ | |
123 "associativity and commutativity...") \ | |
124 \ | |
125 develop(bool, OptoBreakpoint, false, \ | |
126 "insert breakpoint at method entry") \ | |
127 \ | |
128 notproduct(bool, OptoBreakpointOSR, false, \ | |
129 "insert breakpoint at osr method entry") \ | |
130 \ | |
131 notproduct(intx, BreakAtNode, 0, \ | |
132 "Break at construction of this Node (either _idx or _debug_idx)") \ | |
133 \ | |
134 notproduct(bool, OptoBreakpointC2R, false, \ | |
135 "insert breakpoint at runtime stub entry") \ | |
136 \ | |
137 notproduct(bool, OptoNoExecute, false, \ | |
138 "Attempt to parse and compile but do not execute generated code") \ | |
139 \ | |
140 notproduct(bool, PrintOptoStatistics, false, \ | |
141 "Print New compiler statistics") \ | |
142 \ | |
143 notproduct(bool, PrintOptoAssembly, false, \ | |
144 "Print New compiler assembly output") \ | |
145 \ | |
146 develop_pd(bool, OptoPeephole, \ | |
147 "Apply peephole optimizations after register allocation") \ | |
148 \ | |
149 develop(bool, OptoRemoveUseless, true, \ | |
150 "Remove useless nodes after parsing") \ | |
151 \ | |
152 notproduct(bool, PrintFrameConverterAssembly, false, \ | |
153 "Print New compiler assembly output for frame converters") \ | |
154 \ | |
155 notproduct(bool, PrintParseStatistics, false, \ | |
156 "Print nodes, transforms and new values made per bytecode parsed")\ | |
157 \ | |
158 notproduct(bool, PrintOptoPeephole, false, \ | |
159 "Print New compiler peephole replacements") \ | |
160 \ | |
161 develop(bool, PrintCFGBlockFreq, false, \ | |
162 "Print CFG block freqencies") \ | |
163 \ | |
164 develop(bool, TraceOptoParse, false, \ | |
165 "Trace bytecode parse and control-flow merge") \ | |
166 \ | |
167 product_pd(intx, LoopUnrollLimit, \ | |
168 "Unroll loop bodies with node count less than this") \ | |
169 \ | |
170 product(intx, LoopUnrollMin, 4, \ | |
171 "Minimum number of unroll loop bodies before checking progress" \ | |
172 "of rounds of unroll,optimize,..") \ | |
173 \ | |
174 develop(intx, UnrollLimitForProfileCheck, 1, \ | |
175 "Don't use profile_trip_cnt() to restrict unrolling until " \ | |
176 "unrolling would push the number of unrolled iterations above " \ | |
177 "UnrollLimitForProfileCheck. A higher value allows more " \ | |
178 "unrolling. Zero acts as a very large value." ) \ | |
179 \ | |
180 product(intx, MultiArrayExpandLimit, 6, \ | |
181 "Maximum number of individual allocations in an inline-expanded " \ | |
182 "multianewarray instruction") \ | |
183 \ | |
184 notproduct(bool, TraceProfileTripCount, false, \ | |
185 "Trace profile loop trip count information") \ | |
186 \ | |
1172 | 187 product(bool, UseLoopPredicate, true, \ |
188 "Generate a predicate to select fast/slow loop versions") \ | |
189 \ | |
190 develop(bool, TraceLoopPredicate, false, \ | |
191 "Trace generation of loop predicates") \ | |
192 \ | |
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193 develop(bool, TraceLoopOpts, false, \ |
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194 "Trace executed loop optimizations") \ |
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195 \ |
3345 | 196 diagnostic(bool, LoopLimitCheck, true, \ |
197 "Generate a loop limits check for overflow") \ | |
198 \ | |
199 develop(bool, TraceLoopLimitCheck, false, \ | |
200 "Trace generation of loop limits checks") \ | |
201 \ | |
202 diagnostic(bool, RangeLimitCheck, true, \ | |
203 "Additional overflow checks during range check elimination") \ | |
204 \ | |
205 develop(bool, TraceRangeLimitCheck, false, \ | |
206 "Trace additional overflow checks in RCE") \ | |
207 \ | |
208 diagnostic(bool, UnrollLimitCheck, true, \ | |
209 "Additional overflow checks during loop unroll") \ | |
210 \ | |
4039 | 211 product(bool, OptimizeFill, true, \ |
1763 | 212 "convert fill/copy loops into intrinsic") \ |
213 \ | |
214 develop(bool, TraceOptimizeFill, false, \ | |
215 "print detailed information about fill conversion") \ | |
216 \ | |
0 | 217 develop(bool, OptoCoalesce, true, \ |
218 "Use Conservative Copy Coalescing in the Register Allocator") \ | |
219 \ | |
220 develop(bool, UseUniqueSubclasses, true, \ | |
221 "Narrow an abstract reference to the unique concrete subclass") \ | |
222 \ | |
223 develop(bool, UseExactTypes, true, \ | |
224 "Use exact types to eliminate array store checks and v-calls") \ | |
225 \ | |
226 product(intx, TrackedInitializationLimit, 50, \ | |
227 "When initializing fields, track up to this many words") \ | |
228 \ | |
229 product(bool, ReduceFieldZeroing, true, \ | |
230 "When initializing fields, try to avoid needless zeroing") \ | |
231 \ | |
232 product(bool, ReduceInitialCardMarks, true, \ | |
233 "When initializing fields, try to avoid needless card marks") \ | |
234 \ | |
235 product(bool, ReduceBulkZeroing, true, \ | |
236 "When bulk-initializing, try to avoid needless zeroing") \ | |
237 \ | |
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238 product(bool, UseFPUForSpilling, false, \ |
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239 "Spill integer registers to FPU instead of stack when possible") \ |
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240 \ |
0 | 241 develop_pd(intx, RegisterCostAreaRatio, \ |
242 "Spill selection in reg allocator: scale area by (X/64K) before " \ | |
243 "adding cost") \ | |
244 \ | |
245 develop_pd(bool, UseCISCSpill, \ | |
246 "Use ADLC supplied cisc instructions during allocation") \ | |
247 \ | |
248 notproduct(bool, VerifyGraphEdges , false, \ | |
249 "Verify Bi-directional Edges") \ | |
250 \ | |
251 notproduct(bool, VerifyDUIterators, true, \ | |
252 "Verify the safety of all iterations of Bi-directional Edges") \ | |
253 \ | |
254 notproduct(bool, VerifyHashTableKeys, true, \ | |
255 "Verify the immutability of keys in the VN hash tables") \ | |
256 \ | |
550
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257 notproduct(bool, VerifyRegisterAllocator , false, \ |
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258 "Verify Register Allocator") \ |
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259 \ |
0 | 260 develop_pd(intx, FLOATPRESSURE, \ |
261 "Number of float LRG's that constitute high register pressure") \ | |
262 \ | |
263 develop_pd(intx, INTPRESSURE, \ | |
264 "Number of integer LRG's that constitute high register pressure") \ | |
265 \ | |
266 notproduct(bool, TraceOptoPipelining, false, \ | |
267 "Trace pipelining information") \ | |
268 \ | |
269 notproduct(bool, TraceOptoOutput, false, \ | |
270 "Trace pipelining information") \ | |
271 \ | |
272 product_pd(bool, OptoScheduling, \ | |
273 "Instruction Scheduling after register allocation") \ | |
274 \ | |
275 product(bool, PartialPeelLoop, true, \ | |
276 "Partial peel (rotate) loops") \ | |
277 \ | |
278 product(intx, PartialPeelNewPhiDelta, 0, \ | |
279 "Additional phis that can be created by partial peeling") \ | |
280 \ | |
281 notproduct(bool, TracePartialPeeling, false, \ | |
282 "Trace partial peeling (loop rotation) information") \ | |
283 \ | |
284 product(bool, PartialPeelAtUnsignedTests, true, \ | |
285 "Partial peel at unsigned tests if no signed test exists") \ | |
286 \ | |
287 product(bool, ReassociateInvariants, true, \ | |
288 "Enable reassociation of expressions with loop invariants.") \ | |
289 \ | |
290 product(bool, LoopUnswitching, true, \ | |
291 "Enable loop unswitching (a form of invariant test hoisting)") \ | |
292 \ | |
293 notproduct(bool, TraceLoopUnswitching, false, \ | |
294 "Trace loop unswitching") \ | |
295 \ | |
296 product(bool, UseSuperWord, true, \ | |
297 "Transform scalar operations into superword operations") \ | |
298 \ | |
299 develop(bool, SuperWordRTDepCheck, false, \ | |
300 "Enable runtime dependency checks.") \ | |
301 \ | |
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302 notproduct(bool, TraceSuperWord, false, \ |
0 | 303 "Trace superword transforms") \ |
304 \ | |
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305 notproduct(bool, TraceNewVectors, false, \ |
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306 "Trace creation of Vector nodes") \ |
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307 \ |
0 | 308 product_pd(bool, OptoBundling, \ |
309 "Generate nops to fill i-cache lines") \ | |
310 \ | |
311 product_pd(intx, ConditionalMoveLimit, \ | |
312 "Limit of ops to make speculative when using CMOVE") \ | |
313 \ | |
314 /* Set BranchOnRegister == false. See 4965987. */ \ | |
315 product(bool, BranchOnRegister, false, \ | |
316 "Use Sparc V9 branch-on-register opcodes") \ | |
317 \ | |
318 develop(bool, SparcV9RegsHiBitsZero, true, \ | |
319 "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \ | |
320 \ | |
2008 | 321 product(bool, UseRDPCForConstantTableBase, false, \ |
322 "Use Sparc RDPC instruction for the constant table base.") \ | |
323 \ | |
0 | 324 develop(intx, PrintIdealGraphLevel, 0, \ |
325 "Print ideal graph to XML file / network interface. " \ | |
326 "By default attempts to connect to the visualizer on a socket.") \ | |
327 \ | |
328 develop(intx, PrintIdealGraphPort, 4444, \ | |
329 "Ideal graph printer to network port") \ | |
330 \ | |
434 | 331 notproduct(ccstr, PrintIdealGraphAddress, "127.0.0.1", \ |
0 | 332 "IP address to connect to visualizer") \ |
333 \ | |
434 | 334 notproduct(ccstr, PrintIdealGraphFile, NULL, \ |
0 | 335 "File to dump ideal graph to. If set overrides the " \ |
336 "use of the network") \ | |
337 \ | |
338 product(bool, UseOldInlining, true, \ | |
339 "Enable the 1.3 inlining strategy") \ | |
340 \ | |
341 product(bool, UseBimorphicInlining, true, \ | |
342 "Profiling based inlining for two receivers") \ | |
343 \ | |
344 product(bool, UseOnlyInlinedBimorphic, true, \ | |
345 "Don't use BimorphicInlining if can't inline a second method") \ | |
346 \ | |
347 product(bool, InsertMemBarAfterArraycopy, true, \ | |
348 "Insert memory barrier after arraycopy call") \ | |
349 \ | |
1685 | 350 develop(bool, SubsumeLoads, true, \ |
351 "Attempt to compile while subsuming loads into machine instructions.") \ | |
352 \ | |
353 develop(bool, StressRecompilation, false, \ | |
354 "Recompile each compiled method without subsuming loads or escape analysis.") \ | |
355 \ | |
0 | 356 develop(intx, ImplicitNullCheckThreshold, 3, \ |
357 "Don't do implicit null checks if NPE's in a method exceeds limit") \ | |
358 \ | |
359 product(intx, LoopOptsCount, 43, \ | |
360 "Set level of loop optimization for tier 1 compiles") \ | |
361 \ | |
362 /* controls for heat-based inlining */ \ | |
363 \ | |
364 develop(intx, NodeCountInliningCutoff, 18000, \ | |
365 "If parser node generation exceeds limit stop inlining") \ | |
366 \ | |
367 develop(intx, NodeCountInliningStep, 1000, \ | |
368 "Target size of warm calls inlined between optimization passes") \ | |
369 \ | |
370 develop(bool, InlineWarmCalls, false, \ | |
371 "Use a heat-based priority queue to govern inlining") \ | |
372 \ | |
373 develop(intx, HotCallCountThreshold, 999999, \ | |
374 "large numbers of calls (per method invocation) force hotness") \ | |
375 \ | |
376 develop(intx, HotCallProfitThreshold, 999999, \ | |
377 "highly profitable inlining opportunities force hotness") \ | |
378 \ | |
379 develop(intx, HotCallTrivialWork, -1, \ | |
380 "trivial execution time (no larger than this) forces hotness") \ | |
381 \ | |
382 develop(intx, HotCallTrivialSize, -1, \ | |
383 "trivial methods (no larger than this) force calls to be hot") \ | |
384 \ | |
385 develop(intx, WarmCallMinCount, -1, \ | |
386 "number of calls (per method invocation) to enable inlining") \ | |
387 \ | |
388 develop(intx, WarmCallMinProfit, -1, \ | |
389 "number of calls (per method invocation) to enable inlining") \ | |
390 \ | |
391 develop(intx, WarmCallMaxWork, 999999, \ | |
392 "execution time of the largest inlinable method") \ | |
393 \ | |
394 develop(intx, WarmCallMaxSize, 999999, \ | |
395 "size of the largest inlinable method") \ | |
396 \ | |
397 product(intx, MaxNodeLimit, 65000, \ | |
398 "Maximum number of nodes") \ | |
399 \ | |
400 product(intx, NodeLimitFudgeFactor, 1000, \ | |
401 "Fudge Factor for certain optimizations") \ | |
402 \ | |
403 product(bool, UseJumpTables, true, \ | |
404 "Use JumpTables instead of a binary search tree for switches") \ | |
405 \ | |
406 product(bool, UseDivMod, true, \ | |
407 "Use combined DivMod instruction if available") \ | |
408 \ | |
409 product(intx, MinJumpTableSize, 18, \ | |
410 "Minimum number of targets in a generated jump table") \ | |
411 \ | |
412 product(intx, MaxJumpTableSize, 65000, \ | |
413 "Maximum number of targets in a generated jump table") \ | |
414 \ | |
415 product(intx, MaxJumpTableSparseness, 5, \ | |
416 "Maximum sparseness for jumptables") \ | |
417 \ | |
418 product(bool, EliminateLocks, true, \ | |
419 "Coarsen locks when possible") \ | |
420 \ | |
4777 | 421 product(bool, EliminateNestedLocks, true, \ |
422 "Eliminate nested locks of the same object when possible") \ | |
423 \ | |
0 | 424 notproduct(bool, PrintLockStatistics, false, \ |
425 "Print precise statistics on the dynamic lock usage") \ | |
426 \ | |
427 diagnostic(bool, PrintPreciseBiasedLockingStatistics, false, \ | |
428 "Print per-lock-site statistics of biased locking in JVM") \ | |
429 \ | |
430 notproduct(bool, PrintEliminateLocks, false, \ | |
431 "Print out when locks are eliminated") \ | |
432 \ | |
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433 diagnostic(bool, EliminateAutoBox, false, \ |
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434 "Private flag to control optimizations for autobox elimination") \ |
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435 \ |
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436 product(intx, AutoBoxCacheMax, 128, \ |
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437 "Sets max value cached by the java.lang.Integer autobox cache") \ |
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438 \ |
930 | 439 product(bool, DoEscapeAnalysis, true, \ |
0 | 440 "Perform escape analysis") \ |
441 \ | |
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442 develop(bool, ExitEscapeAnalysisOnTimeout, true, \ |
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443 "Exit or throw assert in EA when it reaches time limit") \ |
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444 \ |
0 | 445 notproduct(bool, PrintEscapeAnalysis, false, \ |
446 "Print the results of escape analysis") \ | |
447 \ | |
448 product(bool, EliminateAllocations, true, \ | |
449 "Use escape analysis to eliminate allocations") \ | |
450 \ | |
65 | 451 notproduct(bool, PrintEliminateAllocations, false, \ |
452 "Print out when allocations are eliminated") \ | |
453 \ | |
454 product(intx, EliminateAllocationArraySizeLimit, 64, \ | |
455 "Array size (number of elements) limit for scalar replacement") \ | |
456 \ | |
4113 | 457 product(bool, OptimizePtrCompare, true, \ |
458 "Use escape analysis to optimize pointers compare") \ | |
459 \ | |
460 notproduct(bool, PrintOptimizePtrCompare, false, \ | |
461 "Print information about optimized pointers compare") \ | |
462 \ | |
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463 notproduct(bool, VerifyConnectionGraph , true, \ |
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464 "Verify Connection Graph construction in Escape Analysis") \ |
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465 \ |
673 | 466 product(bool, UseOptoBiasInlining, true, \ |
420
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467 "Generate biased locking code in C2 ideal graph") \ |
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468 \ |
4039 | 469 product(bool, OptimizeStringConcat, true, \ |
1080
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470 "Optimize the construction of Strings by StringBuilder") \ |
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471 \ |
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472 notproduct(bool, PrintOptimizeStringConcat, false, \ |
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473 "Print information about transformations performed on Strings") \ |
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474 \ |
253
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475 product(intx, ValueSearchLimit, 1000, \ |
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476 "Recursion limit in PhaseMacroExpand::value_from_mem_phi") \ |
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477 \ |
0 | 478 product(intx, MaxLabelRootDepth, 1100, \ |
479 "Maximum times call Label_Root to prevent stack overflow") \ | |
155
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480 \ |
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481 diagnostic(intx, DominatorSearchLimit, 1000, \ |
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482 "Iterations limit in Node::dominates") \ |
418 | 483 \ |
484 product(bool, BlockLayoutByFrequency, true, \ | |
485 "Use edge frequencies to drive block ordering") \ | |
486 \ | |
487 product(intx, BlockLayoutMinDiamondPercentage, 20, \ | |
488 "Miniumum %% of a successor (predecessor) for which block layout "\ | |
489 "a will allow a fork (join) in a single chain") \ | |
490 \ | |
673 | 491 product(bool, BlockLayoutRotateLoops, true, \ |
418 | 492 "Allow back branches to be fall throughs in the block layour") \ |
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493 \ |
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494 develop(bool, InlineReflectionGetCallerClass, true, \ |
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495 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ |
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496 "of base library DLL") \ |
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497 \ |
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498 develop(bool, InlineObjectCopy, true, \ |
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499 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ |
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500 \ |
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501 develop(bool, SpecialStringCompareTo, true, \ |
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502 "special version of string compareTo") \ |
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503 \ |
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504 develop(bool, SpecialStringIndexOf, true, \ |
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505 "special version of string indexOf") \ |
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506 \ |
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507 develop(bool, SpecialStringEquals, true, \ |
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508 "special version of string equals") \ |
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509 \ |
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510 develop(bool, SpecialArraysEquals, true, \ |
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511 "special version of Arrays.equals(char[],char[])") \ |
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512 \ |
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513 develop(bool, BailoutToInterpreterForThrows, false, \ |
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514 "Compiled methods which throws/catches exceptions will be " \ |
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515 "deopt and intp.") \ |
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516 \ |
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517 develop(bool, ConvertCmpD2CmpF, true, \ |
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518 "Convert cmpD to cmpF when one input is constant in float range") \ |
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519 \ |
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520 develop(bool, ConvertFloat2IntClipping, true, \ |
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521 "Convert float2int clipping idiom to integer clipping") \ |
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522 \ |
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523 develop(bool, Use24BitFPMode, true, \ |
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524 "Set 24-bit FPU mode on a per-compile basis ") \ |
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525 \ |
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526 develop(bool, Use24BitFP, true, \ |
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527 "use FP instructions that produce 24-bit precise results") \ |
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528 \ |
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529 develop(bool, MonomorphicArrayCheck, true, \ |
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530 "Uncommon-trap array store checks that require full type check") \ |
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531 \ |
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532 notproduct(bool, TracePhaseCCP, false, \ |
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533 "Print progress during Conditional Constant Propagation") \ |
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534 \ |
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535 develop(bool, PrintDominators, false, \ |
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536 "Print out dominator trees for GVN") \ |
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537 \ |
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538 notproduct(bool, TraceSpilling, false, \ |
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539 "Trace spilling") \ |
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540 \ |
6793 | 541 diagnostic(bool, TraceTypeProfile, false, \ |
6633
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542 "Trace type profile") \ |
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543 \ |
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544 develop(bool, PoisonOSREntry, true, \ |
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545 "Detect abnormal calls to OSR code") \ |
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546 \ |
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547 product(bool, UseCondCardMark, false, \ |
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548 "Check for already marked card before updating card table") \ |
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549 \ |
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550 develop(bool, SoftMatchFailure, trueInProduct, \ |
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551 "If the DFA fails to match a node, print a message and bail out") \ |
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552 \ |
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553 develop(bool, InlineAccessors, true, \ |
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554 "inline accessor methods (get/set)") \ |
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555 \ |
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556 product(intx, TypeProfileMajorReceiverPercent, 90, \ |
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557 "% of major receiver type to all profiled receivers") \ |
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558 \ |
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559 notproduct(bool, TimeCompiler2, false, \ |
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560 "detailed time the compiler (requires +TimeCompiler)") \ |
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561 \ |
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562 diagnostic(bool, PrintIntrinsics, false, \ |
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563 "prints attempted and successful inlining of intrinsics") \ |
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564 \ |
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565 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
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566 "do not expand intrinsics whose (internal) names appear here") \ |
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567 \ |
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568 develop(bool, StressReflectiveCode, false, \ |
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569 "Use inexact types at allocations, etc., to test reflection") \ |
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570 \ |
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571 diagnostic(bool, DebugInlinedCalls, true, \ |
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572 "If false, restricts profiled locations to the root method only") \ |
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573 \ |
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574 notproduct(bool, VerifyLoopOptimizations, false, \ |
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575 "verify major loop optimizations") \ |
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576 \ |
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577 diagnostic(bool, ProfileDynamicTypes, true, \ |
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578 "do extra type profiling and use it more aggressively") \ |
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579 \ |
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580 develop(bool, TraceIterativeGVN, false, \ |
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581 "Print progress during Iterative Global Value Numbering") \ |
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582 \ |
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583 develop(bool, VerifyIterativeGVN, false, \ |
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584 "Verify Def-Use modifications during sparse Iterative Global " \ |
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585 "Value Numbering") \ |
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586 \ |
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587 notproduct(bool, TraceCISCSpill, false, \ |
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588 "Trace allocators use of cisc spillable instructions") \ |
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589 \ |
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590 product(bool, SplitIfBlocks, true, \ |
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591 "Clone compares and control flow through merge points to fold " \ |
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592 "some branches") \ |
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593 \ |
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594 develop(intx, FreqCountInvocations, 1, \ |
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595 "Scaling factor for branch frequencies (deprecated)") \ |
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596 \ |
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597 product(intx, AliasLevel, 3, \ |
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598 "0 for no aliasing, 1 for oop/field/static/array split, " \ |
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599 "2 for class split, 3 for unique instances") \ |
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600 \ |
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601 develop(bool, VerifyAliases, false, \ |
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602 "perform extra checks on the results of alias analysis") \ |
0 | 603 |
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604 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) |
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606 #endif // SHARE_VM_OPTO_C2_GLOBALS_HPP |