Mercurial > hg > truffle
annotate src/share/vm/opto/c2_globals.hpp @ 12604:7328f7def427
Support more convert operations.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Fri, 25 Oct 2013 15:44:35 +0200 |
parents | c9ccd7b85f20 |
children | 3213ba4d3dff |
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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 |
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 \ |
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57 develop(bool, StressLCM, false, \ |
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58 "Randomize instruction scheduling in LCM") \ |
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59 \ |
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60 develop(bool, StressGCM, false, \ |
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61 "Randomize instruction scheduling in GCM") \ |
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62 \ |
0 | 63 notproduct(intx, CompileZapFirst, 0, \ |
64 "If +ZapDeadCompiledLocals, " \ | |
65 "skip this many before compiling in zap calls") \ | |
66 \ | |
67 notproduct(intx, CompileZapLast, -1, \ | |
68 "If +ZapDeadCompiledLocals, " \ | |
69 "compile this many after skipping (incl. skip count, -1 = all)") \ | |
70 \ | |
71 notproduct(intx, ZapDeadCompiledLocalsFirst, 0, \ | |
72 "If +ZapDeadCompiledLocals, " \ | |
73 "skip this many before really doing it") \ | |
74 \ | |
75 notproduct(intx, ZapDeadCompiledLocalsLast, -1, \ | |
76 "If +ZapDeadCompiledLocals, " \ | |
77 "do this many after skipping (incl. skip count, -1 = all)") \ | |
78 \ | |
79 develop(intx, OptoPrologueNops, 0, \ | |
80 "Insert this many extra nop instructions " \ | |
81 "in the prologue of every nmethod") \ | |
82 \ | |
83 product_pd(intx, InteriorEntryAlignment, \ | |
84 "Code alignment for interior entry points " \ | |
85 "in generated code (in bytes)") \ | |
86 \ | |
87 product(intx, MaxLoopPad, (OptoLoopAlignment-1), \ | |
88 "Align a loop if padding size in bytes is less or equal to this value") \ | |
89 \ | |
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90 product(intx, MaxVectorSize, 32, \ |
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91 "Max vector size in bytes, " \ |
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92 "actual size could be less depending on elements type") \ |
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93 \ |
6794 | 94 product(bool, AlignVector, true, \ |
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95 "Perform vector store/load alignment in loop") \ |
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96 \ |
0 | 97 product(intx, NumberOfLoopInstrToAlign, 4, \ |
98 "Number of first instructions in a loop to align") \ | |
99 \ | |
100 notproduct(intx, IndexSetWatch, 0, \ | |
101 "Trace all operations on this IndexSet (-1 means all, 0 none)") \ | |
102 \ | |
103 develop(intx, OptoNodeListSize, 4, \ | |
104 "Starting allocation size of Node_List data structures") \ | |
105 \ | |
106 develop(intx, OptoBlockListSize, 8, \ | |
107 "Starting allocation size of Block_List data structures") \ | |
108 \ | |
109 develop(intx, OptoPeepholeAt, -1, \ | |
110 "Apply peephole optimizations to this peephole rule") \ | |
111 \ | |
112 notproduct(bool, PrintIdeal, false, \ | |
113 "Print ideal graph before code generation") \ | |
114 \ | |
115 notproduct(bool, PrintOpto, false, \ | |
116 "Print compiler2 attempts") \ | |
117 \ | |
118 notproduct(bool, PrintOptoInlining, false, \ | |
119 "Print compiler2 inlining decisions") \ | |
120 \ | |
121 notproduct(bool, VerifyOpto, false, \ | |
122 "Apply more time consuming verification during compilation") \ | |
123 \ | |
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124 notproduct(bool, VerifyIdealNodeCount, false, \ |
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125 "Verify that tracked dead ideal node count is accurate") \ |
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126 \ |
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127 notproduct(bool, PrintIdealNodeCount, false, \ |
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128 "Print liveness counts of ideal nodes") \ |
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129 \ |
0 | 130 notproduct(bool, VerifyOptoOopOffsets, false, \ |
131 "Check types of base addresses in field references") \ | |
132 \ | |
133 develop(bool, IdealizedNumerics, false, \ | |
134 "Check performance difference allowing FP " \ | |
135 "associativity and commutativity...") \ | |
136 \ | |
137 develop(bool, OptoBreakpoint, false, \ | |
138 "insert breakpoint at method entry") \ | |
139 \ | |
140 notproduct(bool, OptoBreakpointOSR, false, \ | |
141 "insert breakpoint at osr method entry") \ | |
142 \ | |
143 notproduct(intx, BreakAtNode, 0, \ | |
144 "Break at construction of this Node (either _idx or _debug_idx)") \ | |
145 \ | |
146 notproduct(bool, OptoBreakpointC2R, false, \ | |
147 "insert breakpoint at runtime stub entry") \ | |
148 \ | |
149 notproduct(bool, OptoNoExecute, false, \ | |
150 "Attempt to parse and compile but do not execute generated code") \ | |
151 \ | |
152 notproduct(bool, PrintOptoStatistics, false, \ | |
153 "Print New compiler statistics") \ | |
154 \ | |
155 notproduct(bool, PrintOptoAssembly, false, \ | |
156 "Print New compiler assembly output") \ | |
157 \ | |
158 develop_pd(bool, OptoPeephole, \ | |
159 "Apply peephole optimizations after register allocation") \ | |
160 \ | |
161 develop(bool, OptoRemoveUseless, true, \ | |
162 "Remove useless nodes after parsing") \ | |
163 \ | |
164 notproduct(bool, PrintFrameConverterAssembly, false, \ | |
165 "Print New compiler assembly output for frame converters") \ | |
166 \ | |
167 notproduct(bool, PrintParseStatistics, false, \ | |
168 "Print nodes, transforms and new values made per bytecode parsed")\ | |
169 \ | |
170 notproduct(bool, PrintOptoPeephole, false, \ | |
171 "Print New compiler peephole replacements") \ | |
172 \ | |
173 develop(bool, PrintCFGBlockFreq, false, \ | |
174 "Print CFG block freqencies") \ | |
175 \ | |
176 develop(bool, TraceOptoParse, false, \ | |
177 "Trace bytecode parse and control-flow merge") \ | |
178 \ | |
179 product_pd(intx, LoopUnrollLimit, \ | |
180 "Unroll loop bodies with node count less than this") \ | |
181 \ | |
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182 product(intx, LoopMaxUnroll, 16, \ |
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183 "Maximum number of unrolls for main loop") \ |
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184 \ |
0 | 185 product(intx, LoopUnrollMin, 4, \ |
186 "Minimum number of unroll loop bodies before checking progress" \ | |
187 "of rounds of unroll,optimize,..") \ | |
188 \ | |
189 develop(intx, UnrollLimitForProfileCheck, 1, \ | |
190 "Don't use profile_trip_cnt() to restrict unrolling until " \ | |
191 "unrolling would push the number of unrolled iterations above " \ | |
192 "UnrollLimitForProfileCheck. A higher value allows more " \ | |
193 "unrolling. Zero acts as a very large value." ) \ | |
194 \ | |
195 product(intx, MultiArrayExpandLimit, 6, \ | |
196 "Maximum number of individual allocations in an inline-expanded " \ | |
197 "multianewarray instruction") \ | |
198 \ | |
199 notproduct(bool, TraceProfileTripCount, false, \ | |
200 "Trace profile loop trip count information") \ | |
201 \ | |
1172 | 202 product(bool, UseLoopPredicate, true, \ |
203 "Generate a predicate to select fast/slow loop versions") \ | |
204 \ | |
205 develop(bool, TraceLoopPredicate, false, \ | |
206 "Trace generation of loop predicates") \ | |
207 \ | |
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208 develop(bool, TraceLoopOpts, false, \ |
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209 "Trace executed loop optimizations") \ |
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210 \ |
3345 | 211 diagnostic(bool, LoopLimitCheck, true, \ |
212 "Generate a loop limits check for overflow") \ | |
213 \ | |
214 develop(bool, TraceLoopLimitCheck, false, \ | |
215 "Trace generation of loop limits checks") \ | |
216 \ | |
217 diagnostic(bool, RangeLimitCheck, true, \ | |
218 "Additional overflow checks during range check elimination") \ | |
219 \ | |
220 develop(bool, TraceRangeLimitCheck, false, \ | |
221 "Trace additional overflow checks in RCE") \ | |
222 \ | |
223 diagnostic(bool, UnrollLimitCheck, true, \ | |
224 "Additional overflow checks during loop unroll") \ | |
225 \ | |
4039 | 226 product(bool, OptimizeFill, true, \ |
1763 | 227 "convert fill/copy loops into intrinsic") \ |
228 \ | |
229 develop(bool, TraceOptimizeFill, false, \ | |
230 "print detailed information about fill conversion") \ | |
231 \ | |
0 | 232 develop(bool, OptoCoalesce, true, \ |
233 "Use Conservative Copy Coalescing in the Register Allocator") \ | |
234 \ | |
235 develop(bool, UseUniqueSubclasses, true, \ | |
236 "Narrow an abstract reference to the unique concrete subclass") \ | |
237 \ | |
238 develop(bool, UseExactTypes, true, \ | |
239 "Use exact types to eliminate array store checks and v-calls") \ | |
240 \ | |
241 product(intx, TrackedInitializationLimit, 50, \ | |
242 "When initializing fields, track up to this many words") \ | |
243 \ | |
244 product(bool, ReduceFieldZeroing, true, \ | |
245 "When initializing fields, try to avoid needless zeroing") \ | |
246 \ | |
247 product(bool, ReduceInitialCardMarks, true, \ | |
248 "When initializing fields, try to avoid needless card marks") \ | |
249 \ | |
250 product(bool, ReduceBulkZeroing, true, \ | |
251 "When bulk-initializing, try to avoid needless zeroing") \ | |
252 \ | |
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253 product(bool, UseFPUForSpilling, false, \ |
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254 "Spill integer registers to FPU instead of stack when possible") \ |
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255 \ |
0 | 256 develop_pd(intx, RegisterCostAreaRatio, \ |
257 "Spill selection in reg allocator: scale area by (X/64K) before " \ | |
258 "adding cost") \ | |
259 \ | |
260 develop_pd(bool, UseCISCSpill, \ | |
261 "Use ADLC supplied cisc instructions during allocation") \ | |
262 \ | |
263 notproduct(bool, VerifyGraphEdges , false, \ | |
264 "Verify Bi-directional Edges") \ | |
265 \ | |
266 notproduct(bool, VerifyDUIterators, true, \ | |
267 "Verify the safety of all iterations of Bi-directional Edges") \ | |
268 \ | |
269 notproduct(bool, VerifyHashTableKeys, true, \ | |
270 "Verify the immutability of keys in the VN hash tables") \ | |
271 \ | |
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272 notproduct(bool, VerifyRegisterAllocator , false, \ |
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273 "Verify Register Allocator") \ |
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274 \ |
0 | 275 develop_pd(intx, FLOATPRESSURE, \ |
276 "Number of float LRG's that constitute high register pressure") \ | |
277 \ | |
278 develop_pd(intx, INTPRESSURE, \ | |
279 "Number of integer LRG's that constitute high register pressure") \ | |
280 \ | |
281 notproduct(bool, TraceOptoPipelining, false, \ | |
282 "Trace pipelining information") \ | |
283 \ | |
284 notproduct(bool, TraceOptoOutput, false, \ | |
285 "Trace pipelining information") \ | |
286 \ | |
287 product_pd(bool, OptoScheduling, \ | |
288 "Instruction Scheduling after register allocation") \ | |
289 \ | |
290 product(bool, PartialPeelLoop, true, \ | |
291 "Partial peel (rotate) loops") \ | |
292 \ | |
293 product(intx, PartialPeelNewPhiDelta, 0, \ | |
294 "Additional phis that can be created by partial peeling") \ | |
295 \ | |
296 notproduct(bool, TracePartialPeeling, false, \ | |
297 "Trace partial peeling (loop rotation) information") \ | |
298 \ | |
299 product(bool, PartialPeelAtUnsignedTests, true, \ | |
300 "Partial peel at unsigned tests if no signed test exists") \ | |
301 \ | |
302 product(bool, ReassociateInvariants, true, \ | |
303 "Enable reassociation of expressions with loop invariants.") \ | |
304 \ | |
305 product(bool, LoopUnswitching, true, \ | |
306 "Enable loop unswitching (a form of invariant test hoisting)") \ | |
307 \ | |
308 notproduct(bool, TraceLoopUnswitching, false, \ | |
309 "Trace loop unswitching") \ | |
310 \ | |
311 product(bool, UseSuperWord, true, \ | |
312 "Transform scalar operations into superword operations") \ | |
313 \ | |
314 develop(bool, SuperWordRTDepCheck, false, \ | |
315 "Enable runtime dependency checks.") \ | |
316 \ | |
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317 notproduct(bool, TraceSuperWord, false, \ |
0 | 318 "Trace superword transforms") \ |
319 \ | |
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320 notproduct(bool, TraceNewVectors, false, \ |
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321 "Trace creation of Vector nodes") \ |
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322 \ |
0 | 323 product_pd(bool, OptoBundling, \ |
324 "Generate nops to fill i-cache lines") \ | |
325 \ | |
326 product_pd(intx, ConditionalMoveLimit, \ | |
327 "Limit of ops to make speculative when using CMOVE") \ | |
328 \ | |
329 /* Set BranchOnRegister == false. See 4965987. */ \ | |
330 product(bool, BranchOnRegister, false, \ | |
331 "Use Sparc V9 branch-on-register opcodes") \ | |
332 \ | |
333 develop(bool, SparcV9RegsHiBitsZero, true, \ | |
334 "Assume Sparc V9 I&L registers on V8+ systems are zero-extended") \ | |
335 \ | |
2008 | 336 product(bool, UseRDPCForConstantTableBase, false, \ |
337 "Use Sparc RDPC instruction for the constant table base.") \ | |
338 \ | |
0 | 339 develop(intx, PrintIdealGraphLevel, 0, \ |
340 "Print ideal graph to XML file / network interface. " \ | |
341 "By default attempts to connect to the visualizer on a socket.") \ | |
342 \ | |
343 develop(intx, PrintIdealGraphPort, 4444, \ | |
344 "Ideal graph printer to network port") \ | |
345 \ | |
434 | 346 notproduct(ccstr, PrintIdealGraphAddress, "127.0.0.1", \ |
0 | 347 "IP address to connect to visualizer") \ |
348 \ | |
434 | 349 notproduct(ccstr, PrintIdealGraphFile, NULL, \ |
0 | 350 "File to dump ideal graph to. If set overrides the " \ |
351 "use of the network") \ | |
352 \ | |
353 product(bool, UseOldInlining, true, \ | |
354 "Enable the 1.3 inlining strategy") \ | |
355 \ | |
356 product(bool, UseBimorphicInlining, true, \ | |
357 "Profiling based inlining for two receivers") \ | |
358 \ | |
359 product(bool, UseOnlyInlinedBimorphic, true, \ | |
360 "Don't use BimorphicInlining if can't inline a second method") \ | |
361 \ | |
362 product(bool, InsertMemBarAfterArraycopy, true, \ | |
363 "Insert memory barrier after arraycopy call") \ | |
364 \ | |
1685 | 365 develop(bool, SubsumeLoads, true, \ |
366 "Attempt to compile while subsuming loads into machine instructions.") \ | |
367 \ | |
368 develop(bool, StressRecompilation, false, \ | |
369 "Recompile each compiled method without subsuming loads or escape analysis.") \ | |
370 \ | |
0 | 371 develop(intx, ImplicitNullCheckThreshold, 3, \ |
372 "Don't do implicit null checks if NPE's in a method exceeds limit") \ | |
373 \ | |
374 product(intx, LoopOptsCount, 43, \ | |
375 "Set level of loop optimization for tier 1 compiles") \ | |
376 \ | |
377 /* controls for heat-based inlining */ \ | |
378 \ | |
379 develop(intx, NodeCountInliningCutoff, 18000, \ | |
380 "If parser node generation exceeds limit stop inlining") \ | |
381 \ | |
382 develop(intx, NodeCountInliningStep, 1000, \ | |
383 "Target size of warm calls inlined between optimization passes") \ | |
384 \ | |
385 develop(bool, InlineWarmCalls, false, \ | |
386 "Use a heat-based priority queue to govern inlining") \ | |
387 \ | |
388 develop(intx, HotCallCountThreshold, 999999, \ | |
389 "large numbers of calls (per method invocation) force hotness") \ | |
390 \ | |
391 develop(intx, HotCallProfitThreshold, 999999, \ | |
392 "highly profitable inlining opportunities force hotness") \ | |
393 \ | |
394 develop(intx, HotCallTrivialWork, -1, \ | |
395 "trivial execution time (no larger than this) forces hotness") \ | |
396 \ | |
397 develop(intx, HotCallTrivialSize, -1, \ | |
398 "trivial methods (no larger than this) force calls to be hot") \ | |
399 \ | |
400 develop(intx, WarmCallMinCount, -1, \ | |
401 "number of calls (per method invocation) to enable inlining") \ | |
402 \ | |
403 develop(intx, WarmCallMinProfit, -1, \ | |
404 "number of calls (per method invocation) to enable inlining") \ | |
405 \ | |
406 develop(intx, WarmCallMaxWork, 999999, \ | |
407 "execution time of the largest inlinable method") \ | |
408 \ | |
409 develop(intx, WarmCallMaxSize, 999999, \ | |
410 "size of the largest inlinable method") \ | |
411 \ | |
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412 product(intx, MaxNodeLimit, 80000, \ |
0 | 413 "Maximum number of nodes") \ |
414 \ | |
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8014959: assert(Compile::current()->live_nodes() < (uint)MaxNodeLimit) failed: Live Node limit exceeded limit
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415 product(intx, NodeLimitFudgeFactor, 2000, \ |
0 | 416 "Fudge Factor for certain optimizations") \ |
417 \ | |
418 product(bool, UseJumpTables, true, \ | |
419 "Use JumpTables instead of a binary search tree for switches") \ | |
420 \ | |
421 product(bool, UseDivMod, true, \ | |
422 "Use combined DivMod instruction if available") \ | |
423 \ | |
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424 product_pd(intx, MinJumpTableSize, \ |
0 | 425 "Minimum number of targets in a generated jump table") \ |
426 \ | |
427 product(intx, MaxJumpTableSize, 65000, \ | |
428 "Maximum number of targets in a generated jump table") \ | |
429 \ | |
430 product(intx, MaxJumpTableSparseness, 5, \ | |
431 "Maximum sparseness for jumptables") \ | |
432 \ | |
433 product(bool, EliminateLocks, true, \ | |
434 "Coarsen locks when possible") \ | |
435 \ | |
4777 | 436 product(bool, EliminateNestedLocks, true, \ |
437 "Eliminate nested locks of the same object when possible") \ | |
438 \ | |
0 | 439 notproduct(bool, PrintLockStatistics, false, \ |
440 "Print precise statistics on the dynamic lock usage") \ | |
441 \ | |
442 diagnostic(bool, PrintPreciseBiasedLockingStatistics, false, \ | |
443 "Print per-lock-site statistics of biased locking in JVM") \ | |
444 \ | |
445 notproduct(bool, PrintEliminateLocks, false, \ | |
446 "Print out when locks are eliminated") \ | |
447 \ | |
10278 | 448 product(bool, EliminateAutoBox, true, \ |
449 "Control optimizations for autobox elimination") \ | |
17
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diff
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450 \ |
12190
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451 experimental(bool, UseImplicitStableValues, false, \ |
edb5ab0f3fe5
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452 "Mark well-known stable fields as such (e.g. String.value)") \ |
edb5ab0f3fe5
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453 \ |
17
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454 product(intx, AutoBoxCacheMax, 128, \ |
ff5961f4c095
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diff
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455 "Sets max value cached by the java.lang.Integer autobox cache") \ |
ff5961f4c095
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0
diff
changeset
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456 \ |
10278 | 457 experimental(bool, AggressiveUnboxing, false, \ |
458 "Control optimizations for aggressive boxing elimination") \ | |
459 \ | |
930 | 460 product(bool, DoEscapeAnalysis, true, \ |
0 | 461 "Perform escape analysis") \ |
462 \ | |
6895
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463 develop(bool, ExitEscapeAnalysisOnTimeout, true, \ |
006174cfe979
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464 "Exit or throw assert in EA when it reaches time limit") \ |
006174cfe979
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kvn
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465 \ |
0 | 466 notproduct(bool, PrintEscapeAnalysis, false, \ |
467 "Print the results of escape analysis") \ | |
468 \ | |
469 product(bool, EliminateAllocations, true, \ | |
470 "Use escape analysis to eliminate allocations") \ | |
471 \ | |
65 | 472 notproduct(bool, PrintEliminateAllocations, false, \ |
473 "Print out when allocations are eliminated") \ | |
474 \ | |
475 product(intx, EliminateAllocationArraySizeLimit, 64, \ | |
476 "Array size (number of elements) limit for scalar replacement") \ | |
477 \ | |
4113 | 478 product(bool, OptimizePtrCompare, true, \ |
479 "Use escape analysis to optimize pointers compare") \ | |
480 \ | |
481 notproduct(bool, PrintOptimizePtrCompare, false, \ | |
482 "Print information about optimized pointers compare") \ | |
483 \ | |
5948
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484 notproduct(bool, VerifyConnectionGraph , true, \ |
ee138854b3a6
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485 "Verify Connection Graph construction in Escape Analysis") \ |
ee138854b3a6
7147744: CTW: assert(false) failed: infinite EA connection graph build
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486 \ |
673 | 487 product(bool, UseOptoBiasInlining, true, \ |
420
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
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418
diff
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488 "Generate biased locking code in C2 ideal graph") \ |
a1980da045cc
6462850: generate biased locking code in C2 ideal graph
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diff
changeset
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489 \ |
4039 | 490 product(bool, OptimizeStringConcat, true, \ |
1080
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6892658: C2 should optimize some stringbuilder patterns
never
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diff
changeset
|
491 "Optimize the construction of Strings by StringBuilder") \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
492 \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
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930
diff
changeset
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493 notproduct(bool, PrintOptimizeStringConcat, false, \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
parents:
930
diff
changeset
|
494 "Print information about transformations performed on Strings") \ |
7c57aead6d3e
6892658: C2 should optimize some stringbuilder patterns
never
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diff
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|
495 \ |
253
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
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diff
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496 product(intx, ValueSearchLimit, 1000, \ |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
kvn
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245
diff
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497 "Recursion limit in PhaseMacroExpand::value_from_mem_phi") \ |
b0fe4deeb9fb
6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.")
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diff
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|
498 \ |
0 | 499 product(intx, MaxLabelRootDepth, 1100, \ |
500 "Maximum times call Label_Root to prevent stack overflow") \ | |
155
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6701887: JDK7 server VM in endless loop in Node::dominates
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diff
changeset
|
501 \ |
723be81c1212
6701887: JDK7 server VM in endless loop in Node::dominates
kvn
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65
diff
changeset
|
502 diagnostic(intx, DominatorSearchLimit, 1000, \ |
723be81c1212
6701887: JDK7 server VM in endless loop in Node::dominates
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diff
changeset
|
503 "Iterations limit in Node::dominates") \ |
418 | 504 \ |
505 product(bool, BlockLayoutByFrequency, true, \ | |
506 "Use edge frequencies to drive block ordering") \ | |
507 \ | |
508 product(intx, BlockLayoutMinDiamondPercentage, 20, \ | |
509 "Miniumum %% of a successor (predecessor) for which block layout "\ | |
510 "a will allow a fork (join) in a single chain") \ | |
511 \ | |
673 | 512 product(bool, BlockLayoutRotateLoops, true, \ |
418 | 513 "Allow back branches to be fall throughs in the block layour") \ |
6633
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514 \ |
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diff
changeset
|
515 develop(bool, InlineReflectionGetCallerClass, true, \ |
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516 "inline sun.reflect.Reflection.getCallerClass(), known to be part "\ |
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517 "of base library DLL") \ |
a5dd6e3ef9f3
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518 \ |
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diff
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519 develop(bool, InlineObjectCopy, true, \ |
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diff
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520 "inline Object.clone and Arrays.copyOf[Range] intrinsics") \ |
a5dd6e3ef9f3
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parents:
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521 \ |
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522 develop(bool, SpecialStringCompareTo, true, \ |
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523 "special version of string compareTo") \ |
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diff
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|
524 \ |
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diff
changeset
|
525 develop(bool, SpecialStringIndexOf, true, \ |
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parents:
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diff
changeset
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526 "special version of string indexOf") \ |
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6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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parents:
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diff
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527 \ |
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parents:
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changeset
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528 develop(bool, SpecialStringEquals, true, \ |
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diff
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529 "special version of string equals") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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diff
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|
530 \ |
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6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
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parents:
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|
531 develop(bool, SpecialArraysEquals, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
532 "special version of Arrays.equals(char[],char[])") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
533 \ |
7637
b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents:
7473
diff
changeset
|
534 product(bool, SpecialEncodeISOArray, true, \ |
b30b3c2a0cf2
6896617: Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() on x86
kvn
parents:
7473
diff
changeset
|
535 "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
|
536 \ |
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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|
537 develop(bool, BailoutToInterpreterForThrows, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
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|
538 "Compiled methods which throws/catches exceptions will be " \ |
a5dd6e3ef9f3
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twisti
parents:
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diff
changeset
|
539 "deopt and intp.") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
540 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
541 develop(bool, ConvertCmpD2CmpF, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
542 "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:
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diff
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|
543 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
544 develop(bool, ConvertFloat2IntClipping, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
545 "Convert float2int clipping idiom to integer clipping") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
546 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
547 develop(bool, Use24BitFPMode, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
548 "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
|
549 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
550 develop(bool, Use24BitFP, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
551 "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
|
552 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
553 develop(bool, MonomorphicArrayCheck, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
554 "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
|
555 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
556 notproduct(bool, TracePhaseCCP, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
557 "Print progress during Conditional Constant Propagation") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
558 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
559 develop(bool, PrintDominators, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
560 "Print out dominator trees for GVN") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
561 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
562 notproduct(bool, TraceSpilling, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
563 "Trace spilling") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
564 \ |
6793 | 565 diagnostic(bool, TraceTypeProfile, false, \ |
6633
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
566 "Trace type profile") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
567 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
568 develop(bool, PoisonOSREntry, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
569 "Detect abnormal calls to OSR code") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
570 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
571 product(bool, UseCondCardMark, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
572 "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
|
573 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
574 develop(bool, SoftMatchFailure, trueInProduct, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
575 "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
|
576 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
577 develop(bool, InlineAccessors, true, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
578 "inline accessor methods (get/set)") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
579 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
580 product(intx, TypeProfileMajorReceiverPercent, 90, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
581 "% of major receiver type to all profiled receivers") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
582 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
583 notproduct(bool, TimeCompiler2, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
|
584 "detailed time the compiler (requires +TimeCompiler)") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
585 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
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6183
diff
changeset
|
586 diagnostic(bool, PrintIntrinsics, false, \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
587 "prints attempted and successful inlining of intrinsics") \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
6183
diff
changeset
|
588 \ |
a5dd6e3ef9f3
6677625: Move platform specific flags from globals.hpp to globals_<arch>.hpp
twisti
parents:
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diff
changeset
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589 diagnostic(ccstrlist, DisableIntrinsic, "", \ |
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590 "do not expand intrinsics whose (internal) names appear here") \ |
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591 \ |
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592 develop(bool, StressReflectiveCode, false, \ |
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593 "Use inexact types at allocations, etc., to test reflection") \ |
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594 \ |
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595 diagnostic(bool, DebugInlinedCalls, true, \ |
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596 "If false, restricts profiled locations to the root method only") \ |
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597 \ |
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598 notproduct(bool, VerifyLoopOptimizations, false, \ |
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599 "verify major loop optimizations") \ |
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600 \ |
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601 diagnostic(bool, ProfileDynamicTypes, true, \ |
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602 "do extra type profiling and use it more aggressively") \ |
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603 \ |
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604 develop(bool, TraceIterativeGVN, false, \ |
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605 "Print progress during Iterative Global Value Numbering") \ |
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606 \ |
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607 develop(bool, VerifyIterativeGVN, false, \ |
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608 "Verify Def-Use modifications during sparse Iterative Global " \ |
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609 "Value Numbering") \ |
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610 \ |
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611 notproduct(bool, TraceCISCSpill, false, \ |
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612 "Trace allocators use of cisc spillable instructions") \ |
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613 \ |
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614 product(bool, SplitIfBlocks, true, \ |
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615 "Clone compares and control flow through merge points to fold " \ |
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616 "some branches") \ |
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617 \ |
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618 develop(intx, FreqCountInvocations, 1, \ |
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619 "Scaling factor for branch frequencies (deprecated)") \ |
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620 \ |
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621 product(intx, AliasLevel, 3, \ |
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622 "0 for no aliasing, 1 for oop/field/static/array split, " \ |
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623 "2 for class split, 3 for unique instances") \ |
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624 \ |
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625 develop(bool, VerifyAliases, false, \ |
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626 "perform extra checks on the results of alias analysis") \ |
7473 | 627 \ |
628 product(bool, IncrementalInline, true, \ | |
629 "do post parse inlining") \ | |
630 \ | |
631 develop(bool, AlwaysIncrementalInline, false, \ | |
632 "do all inlining incrementally") \ | |
633 \ | |
634 product(intx, LiveNodeCountInliningCutoff, 20000, \ | |
635 "max number of live nodes in a method") \ | |
8048
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636 \ |
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637 diagnostic(bool, OptimizeExpensiveOps, true, \ |
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638 "Find best control for expensive operations") \ |
12323 | 639 \ |
640 product(bool, UseMathExactIntrinsics, true, \ | |
641 "Enables intrinsification of various java.lang.Math funcitons") | |
0 | 642 |
1080
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643 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 | 644 |
645 #endif // SHARE_VM_OPTO_C2_GLOBALS_HPP |