Mercurial > hg > truffle
annotate src/share/vm/c1/c1_Compilation.cpp @ 14247:2e96b2d61686
8031530: [TESTBUG] Enable test runtime/LoadClass/LoadClassNegative.java
Summary: Re-enabled the test. The issue that prevents this test from running was fixed by 8020675
Reviewed-by: sla, ccheung
author | zgu |
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date | Mon, 13 Jan 2014 10:05:37 -0500 |
parents | de6a9e811145 |
children | 4ca6dc0799b6 0bf37f737702 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 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 #include "precompiled.hpp" |
26 #include "c1/c1_CFGPrinter.hpp" | |
27 #include "c1/c1_Compilation.hpp" | |
28 #include "c1/c1_IR.hpp" | |
29 #include "c1/c1_LIRAssembler.hpp" | |
30 #include "c1/c1_LinearScan.hpp" | |
31 #include "c1/c1_MacroAssembler.hpp" | |
32 #include "c1/c1_ValueMap.hpp" | |
33 #include "c1/c1_ValueStack.hpp" | |
34 #include "code/debugInfoRec.hpp" | |
6843 | 35 #include "compiler/compileLog.hpp" |
8860 | 36 #include "c1/c1_RangeCheckElimination.hpp" |
0 | 37 |
38 | |
39 typedef enum { | |
40 _t_compile, | |
41 _t_setup, | |
42 _t_buildIR, | |
8860 | 43 _t_optimize_blocks, |
44 _t_optimize_null_checks, | |
45 _t_rangeCheckElimination, | |
0 | 46 _t_emit_lir, |
47 _t_linearScan, | |
48 _t_lirGeneration, | |
49 _t_lir_schedule, | |
50 _t_codeemit, | |
51 _t_codeinstall, | |
52 max_phase_timers | |
53 } TimerName; | |
54 | |
55 static const char * timer_name[] = { | |
56 "compile", | |
57 "setup", | |
58 "buildIR", | |
8860 | 59 "optimize_blocks", |
60 "optimize_null_checks", | |
61 "rangeCheckElimination", | |
0 | 62 "emit_lir", |
63 "linearScan", | |
64 "lirGeneration", | |
65 "lir_schedule", | |
66 "codeemit", | |
67 "codeinstall" | |
68 }; | |
69 | |
70 static elapsedTimer timers[max_phase_timers]; | |
71 static int totalInstructionNodes = 0; | |
72 | |
73 class PhaseTraceTime: public TraceTime { | |
74 private: | |
75 JavaThread* _thread; | |
6843 | 76 CompileLog* _log; |
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77 TimerName _timer; |
0 | 78 |
79 public: | |
6843 | 80 PhaseTraceTime(TimerName timer) |
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81 : TraceTime("", &timers[timer], CITime || CITimeEach, Verbose), |
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82 _log(NULL), _timer(timer) |
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83 { |
6843 | 84 if (Compilation::current() != NULL) { |
85 _log = Compilation::current()->log(); | |
86 } | |
87 | |
88 if (_log != NULL) { | |
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89 _log->begin_head("phase name='%s'", timer_name[_timer]); |
6843 | 90 _log->stamp(); |
91 _log->end_head(); | |
92 } | |
93 } | |
94 | |
95 ~PhaseTraceTime() { | |
96 if (_log != NULL) | |
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97 _log->done("phase name='%s'", timer_name[_timer]); |
0 | 98 } |
99 }; | |
100 | |
101 // Implementation of Compilation | |
102 | |
103 | |
104 #ifndef PRODUCT | |
105 | |
106 void Compilation::maybe_print_current_instruction() { | |
107 if (_current_instruction != NULL && _last_instruction_printed != _current_instruction) { | |
108 _last_instruction_printed = _current_instruction; | |
109 _current_instruction->print_line(); | |
110 } | |
111 } | |
112 #endif // PRODUCT | |
113 | |
114 | |
115 DebugInformationRecorder* Compilation::debug_info_recorder() const { | |
116 return _env->debug_info(); | |
117 } | |
118 | |
119 | |
120 Dependencies* Compilation::dependency_recorder() const { | |
121 return _env->dependencies(); | |
122 } | |
123 | |
124 | |
125 void Compilation::initialize() { | |
126 // Use an oop recorder bound to the CI environment. | |
127 // (The default oop recorder is ignorant of the CI.) | |
128 OopRecorder* ooprec = new OopRecorder(_env->arena()); | |
129 _env->set_oop_recorder(ooprec); | |
130 _env->set_debug_info(new DebugInformationRecorder(ooprec)); | |
131 debug_info_recorder()->set_oopmaps(new OopMapSet()); | |
132 _env->set_dependencies(new Dependencies(_env)); | |
133 } | |
134 | |
135 | |
136 void Compilation::build_hir() { | |
137 CHECK_BAILOUT(); | |
138 | |
139 // setup ir | |
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140 CompileLog* log = this->log(); |
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141 if (log != NULL) { |
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142 log->begin_head("parse method='%d' ", |
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143 log->identify(_method)); |
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144 log->stamp(); |
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145 log->end_head(); |
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146 } |
0 | 147 _hir = new IR(this, method(), osr_bci()); |
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148 if (log) log->done("parse"); |
0 | 149 if (!_hir->is_valid()) { |
150 bailout("invalid parsing"); | |
151 return; | |
152 } | |
153 | |
154 #ifndef PRODUCT | |
155 if (PrintCFGToFile) { | |
156 CFGPrinter::print_cfg(_hir, "After Generation of HIR", true, false); | |
157 } | |
158 #endif | |
159 | |
160 #ifndef PRODUCT | |
161 if (PrintCFG || PrintCFG0) { tty->print_cr("CFG after parsing"); _hir->print(true); } | |
162 if (PrintIR || PrintIR0 ) { tty->print_cr("IR after parsing"); _hir->print(false); } | |
163 #endif | |
164 | |
165 _hir->verify(); | |
166 | |
167 if (UseC1Optimizations) { | |
168 NEEDS_CLEANUP | |
169 // optimization | |
8860 | 170 PhaseTraceTime timeit(_t_optimize_blocks); |
0 | 171 |
8860 | 172 _hir->optimize_blocks(); |
0 | 173 } |
174 | |
175 _hir->verify(); | |
176 | |
177 _hir->split_critical_edges(); | |
178 | |
179 #ifndef PRODUCT | |
180 if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after optimizations"); _hir->print(true); } | |
181 if (PrintIR || PrintIR1 ) { tty->print_cr("IR after optimizations"); _hir->print(false); } | |
182 #endif | |
183 | |
184 _hir->verify(); | |
185 | |
186 // compute block ordering for code generation | |
187 // the control flow must not be changed from here on | |
188 _hir->compute_code(); | |
189 | |
190 if (UseGlobalValueNumbering) { | |
8860 | 191 // No resource mark here! LoopInvariantCodeMotion can allocate ValueStack objects. |
0 | 192 int instructions = Instruction::number_of_instructions(); |
193 GlobalValueNumbering gvn(_hir); | |
194 assert(instructions == Instruction::number_of_instructions(), | |
195 "shouldn't have created an instructions"); | |
196 } | |
197 | |
8860 | 198 _hir->verify(); |
199 | |
200 #ifndef PRODUCT | |
201 if (PrintCFGToFile) { | |
202 CFGPrinter::print_cfg(_hir, "Before RangeCheckElimination", true, false); | |
203 } | |
204 #endif | |
205 | |
206 if (RangeCheckElimination) { | |
207 if (_hir->osr_entry() == NULL) { | |
208 PhaseTraceTime timeit(_t_rangeCheckElimination); | |
209 RangeCheckElimination::eliminate(_hir); | |
210 } | |
211 } | |
212 | |
213 #ifndef PRODUCT | |
214 if (PrintCFGToFile) { | |
215 CFGPrinter::print_cfg(_hir, "After RangeCheckElimination", true, false); | |
216 } | |
217 #endif | |
218 | |
219 if (UseC1Optimizations) { | |
220 // loop invariant code motion reorders instructions and range | |
221 // check elimination adds new instructions so do null check | |
222 // elimination after. | |
223 NEEDS_CLEANUP | |
224 // optimization | |
225 PhaseTraceTime timeit(_t_optimize_null_checks); | |
226 | |
227 _hir->eliminate_null_checks(); | |
228 } | |
229 | |
230 _hir->verify(); | |
231 | |
0 | 232 // compute use counts after global value numbering |
233 _hir->compute_use_counts(); | |
234 | |
235 #ifndef PRODUCT | |
236 if (PrintCFG || PrintCFG2) { tty->print_cr("CFG before code generation"); _hir->code()->print(true); } | |
237 if (PrintIR || PrintIR2 ) { tty->print_cr("IR before code generation"); _hir->code()->print(false, true); } | |
238 #endif | |
239 | |
240 _hir->verify(); | |
241 } | |
242 | |
243 | |
244 void Compilation::emit_lir() { | |
245 CHECK_BAILOUT(); | |
246 | |
247 LIRGenerator gen(this, method()); | |
248 { | |
249 PhaseTraceTime timeit(_t_lirGeneration); | |
250 hir()->iterate_linear_scan_order(&gen); | |
251 } | |
252 | |
253 CHECK_BAILOUT(); | |
254 | |
255 { | |
256 PhaseTraceTime timeit(_t_linearScan); | |
257 | |
258 LinearScan* allocator = new LinearScan(hir(), &gen, frame_map()); | |
259 set_allocator(allocator); | |
260 // Assign physical registers to LIR operands using a linear scan algorithm. | |
261 allocator->do_linear_scan(); | |
262 CHECK_BAILOUT(); | |
263 | |
264 _max_spills = allocator->max_spills(); | |
265 } | |
266 | |
267 if (BailoutAfterLIR) { | |
268 if (PrintLIR && !bailed_out()) { | |
269 print_LIR(hir()->code()); | |
270 } | |
271 bailout("Bailing out because of -XX:+BailoutAfterLIR"); | |
272 } | |
273 } | |
274 | |
275 | |
276 void Compilation::emit_code_epilog(LIR_Assembler* assembler) { | |
277 CHECK_BAILOUT(); | |
278 | |
1204 | 279 CodeOffsets* code_offsets = assembler->offsets(); |
280 | |
0 | 281 // generate code or slow cases |
282 assembler->emit_slow_case_stubs(); | |
283 CHECK_BAILOUT(); | |
284 | |
285 // generate exception adapters | |
286 assembler->emit_exception_entries(exception_info_list()); | |
287 CHECK_BAILOUT(); | |
288 | |
1204 | 289 // Generate code for exception handler. |
290 code_offsets->set_value(CodeOffsets::Exceptions, assembler->emit_exception_handler()); | |
0 | 291 CHECK_BAILOUT(); |
1204 | 292 |
293 // Generate code for deopt handler. | |
294 code_offsets->set_value(CodeOffsets::Deopt, assembler->emit_deopt_handler()); | |
295 CHECK_BAILOUT(); | |
296 | |
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297 // Emit the MethodHandle deopt handler code (if required). |
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298 if (has_method_handle_invokes()) { |
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299 // We can use the same code as for the normal deopt handler, we |
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300 // just need a different entry point address. |
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301 code_offsets->set_value(CodeOffsets::DeoptMH, assembler->emit_deopt_handler()); |
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302 CHECK_BAILOUT(); |
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303 } |
0 | 304 |
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305 // Emit the handler to remove the activation from the stack and |
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306 // dispatch to the caller. |
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307 offsets()->set_value(CodeOffsets::UnwindHandler, assembler->emit_unwind_handler()); |
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308 |
0 | 309 // done |
310 masm()->flush(); | |
311 } | |
312 | |
313 | |
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314 bool Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) { |
1584 | 315 // Preinitialize the consts section to some large size: |
316 int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo)); | |
317 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); | |
318 code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, | |
319 locs_buffer_size / sizeof(relocInfo)); | |
320 code->initialize_consts_size(Compilation::desired_max_constant_size()); | |
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321 // Call stubs + two deopt handlers (regular and MH) + exception handler |
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322 int stub_size = (call_stub_estimate * LIR_Assembler::call_stub_size) + |
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323 LIR_Assembler::exception_handler_size + |
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324 (2 * LIR_Assembler::deopt_handler_size); |
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325 if (stub_size >= code->insts_capacity()) return false; |
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326 code->initialize_stubs_size(stub_size); |
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327 return true; |
1584 | 328 } |
329 | |
330 | |
0 | 331 int Compilation::emit_code_body() { |
332 // emit code | |
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333 if (!setup_code_buffer(code(), allocator()->num_calls())) { |
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334 BAILOUT_("size requested greater than avail code buffer size", 0); |
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335 } |
0 | 336 code()->initialize_oop_recorder(env()->oop_recorder()); |
337 | |
338 _masm = new C1_MacroAssembler(code()); | |
339 _masm->set_oop_recorder(env()->oop_recorder()); | |
340 | |
341 LIR_Assembler lir_asm(this); | |
342 | |
343 lir_asm.emit_code(hir()->code()); | |
344 CHECK_BAILOUT_(0); | |
345 | |
346 emit_code_epilog(&lir_asm); | |
347 CHECK_BAILOUT_(0); | |
348 | |
349 generate_exception_handler_table(); | |
350 | |
351 #ifndef PRODUCT | |
352 if (PrintExceptionHandlers && Verbose) { | |
353 exception_handler_table()->print(); | |
354 } | |
355 #endif /* PRODUCT */ | |
356 | |
357 return frame_map()->framesize(); | |
358 } | |
359 | |
360 | |
361 int Compilation::compile_java_method() { | |
362 assert(!method()->is_native(), "should not reach here"); | |
363 | |
364 if (BailoutOnExceptionHandlers) { | |
365 if (method()->has_exception_handlers()) { | |
366 bailout("linear scan can't handle exception handlers"); | |
367 } | |
368 } | |
369 | |
370 CHECK_BAILOUT_(no_frame_size); | |
371 | |
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372 if (is_profiling() && !method()->ensure_method_data()) { |
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373 BAILOUT_("mdo allocation failed", no_frame_size); |
1783 | 374 } |
375 | |
0 | 376 { |
377 PhaseTraceTime timeit(_t_buildIR); | |
1783 | 378 build_hir(); |
0 | 379 } |
380 if (BailoutAfterHIR) { | |
381 BAILOUT_("Bailing out because of -XX:+BailoutAfterHIR", no_frame_size); | |
382 } | |
383 | |
384 | |
385 { | |
386 PhaseTraceTime timeit(_t_emit_lir); | |
387 | |
388 _frame_map = new FrameMap(method(), hir()->number_of_locks(), MAX2(4, hir()->max_stack())); | |
389 emit_lir(); | |
390 } | |
391 CHECK_BAILOUT_(no_frame_size); | |
392 | |
393 { | |
394 PhaseTraceTime timeit(_t_codeemit); | |
395 return emit_code_body(); | |
396 } | |
397 } | |
398 | |
399 void Compilation::install_code(int frame_size) { | |
400 // frame_size is in 32-bit words so adjust it intptr_t words | |
401 assert(frame_size == frame_map()->framesize(), "must match"); | |
402 assert(in_bytes(frame_map()->framesize_in_bytes()) % sizeof(intptr_t) == 0, "must be at least pointer aligned"); | |
403 _env->register_method( | |
404 method(), | |
405 osr_bci(), | |
406 &_offsets, | |
407 in_bytes(_frame_map->sp_offset_for_orig_pc()), | |
408 code(), | |
409 in_bytes(frame_map()->framesize_in_bytes()) / sizeof(intptr_t), | |
410 debug_info_recorder()->_oopmaps, | |
411 exception_handler_table(), | |
412 implicit_exception_table(), | |
413 compiler(), | |
414 _env->comp_level(), | |
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415 has_unsafe_access(), |
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416 SharedRuntime::is_wide_vector(max_vector_size()) |
0 | 417 ); |
418 } | |
419 | |
420 | |
421 void Compilation::compile_method() { | |
422 // setup compilation | |
423 initialize(); | |
424 | |
425 if (!method()->can_be_compiled()) { | |
426 // Prevent race condition 6328518. | |
427 // This can happen if the method is obsolete or breakpointed. | |
428 bailout("Bailing out because method is not compilable"); | |
429 return; | |
430 } | |
431 | |
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432 if (_env->jvmti_can_hotswap_or_post_breakpoint()) { |
0 | 433 // We can assert evol_method because method->can_be_compiled is true. |
434 dependency_recorder()->assert_evol_method(method()); | |
435 } | |
436 | |
437 if (method()->break_at_execute()) { | |
438 BREAKPOINT; | |
439 } | |
440 | |
441 #ifndef PRODUCT | |
442 if (PrintCFGToFile) { | |
443 CFGPrinter::print_compilation(this); | |
444 } | |
445 #endif | |
446 | |
447 // compile method | |
448 int frame_size = compile_java_method(); | |
449 | |
450 // bailout if method couldn't be compiled | |
451 // Note: make sure we mark the method as not compilable! | |
452 CHECK_BAILOUT(); | |
453 | |
454 if (InstallMethods) { | |
455 // install code | |
456 PhaseTraceTime timeit(_t_codeinstall); | |
457 install_code(frame_size); | |
458 } | |
6843 | 459 |
460 if (log() != NULL) // Print code cache state into compiler log | |
461 log()->code_cache_state(); | |
462 | |
0 | 463 totalInstructionNodes += Instruction::number_of_instructions(); |
464 } | |
465 | |
466 | |
467 void Compilation::generate_exception_handler_table() { | |
468 // Generate an ExceptionHandlerTable from the exception handler | |
469 // information accumulated during the compilation. | |
470 ExceptionInfoList* info_list = exception_info_list(); | |
471 | |
472 if (info_list->length() == 0) { | |
473 return; | |
474 } | |
475 | |
476 // allocate some arrays for use by the collection code. | |
477 const int num_handlers = 5; | |
478 GrowableArray<intptr_t>* bcis = new GrowableArray<intptr_t>(num_handlers); | |
479 GrowableArray<intptr_t>* scope_depths = new GrowableArray<intptr_t>(num_handlers); | |
480 GrowableArray<intptr_t>* pcos = new GrowableArray<intptr_t>(num_handlers); | |
481 | |
482 for (int i = 0; i < info_list->length(); i++) { | |
483 ExceptionInfo* info = info_list->at(i); | |
484 XHandlers* handlers = info->exception_handlers(); | |
485 | |
486 // empty the arrays | |
487 bcis->trunc_to(0); | |
488 scope_depths->trunc_to(0); | |
489 pcos->trunc_to(0); | |
490 | |
491 for (int i = 0; i < handlers->length(); i++) { | |
492 XHandler* handler = handlers->handler_at(i); | |
493 assert(handler->entry_pco() != -1, "must have been generated"); | |
494 | |
495 int e = bcis->find(handler->handler_bci()); | |
496 if (e >= 0 && scope_depths->at(e) == handler->scope_count()) { | |
497 // two different handlers are declared to dispatch to the same | |
498 // catch bci. During parsing we created edges for each | |
499 // handler but we really only need one. The exception handler | |
500 // table will also get unhappy if we try to declare both since | |
501 // it's nonsensical. Just skip this handler. | |
502 continue; | |
503 } | |
504 | |
505 bcis->append(handler->handler_bci()); | |
506 if (handler->handler_bci() == -1) { | |
507 // insert a wildcard handler at scope depth 0 so that the | |
508 // exception lookup logic with find it. | |
509 scope_depths->append(0); | |
510 } else { | |
511 scope_depths->append(handler->scope_count()); | |
512 } | |
513 pcos->append(handler->entry_pco()); | |
514 | |
515 // stop processing once we hit a catch any | |
516 if (handler->is_catch_all()) { | |
517 assert(i == handlers->length() - 1, "catch all must be last handler"); | |
518 } | |
519 } | |
520 exception_handler_table()->add_subtable(info->pco(), bcis, scope_depths, pcos); | |
521 } | |
522 } | |
523 | |
524 | |
1584 | 525 Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, |
526 int osr_bci, BufferBlob* buffer_blob) | |
0 | 527 : _compiler(compiler) |
528 , _env(env) | |
6843 | 529 , _log(env->log()) |
0 | 530 , _method(method) |
531 , _osr_bci(osr_bci) | |
532 , _hir(NULL) | |
533 , _max_spills(-1) | |
534 , _frame_map(NULL) | |
535 , _masm(NULL) | |
536 , _has_exception_handlers(false) | |
537 , _has_fpu_code(true) // pessimistic assumption | |
1783 | 538 , _would_profile(false) |
0 | 539 , _has_unsafe_access(false) |
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540 , _has_method_handle_invokes(false) |
0 | 541 , _bailout_msg(NULL) |
542 , _exception_info_list(NULL) | |
543 , _allocator(NULL) | |
1584 | 544 , _next_id(0) |
545 , _next_block_id(0) | |
1748 | 546 , _code(buffer_blob) |
8860 | 547 , _has_access_indexed(false) |
0 | 548 , _current_instruction(NULL) |
549 #ifndef PRODUCT | |
550 , _last_instruction_printed(NULL) | |
551 #endif // PRODUCT | |
552 { | |
553 PhaseTraceTime timeit(_t_compile); | |
554 _arena = Thread::current()->resource_area(); | |
1584 | 555 _env->set_compiler_data(this); |
0 | 556 _exception_info_list = new ExceptionInfoList(); |
557 _implicit_exception_table.set_size(0); | |
558 compile_method(); | |
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559 if (bailed_out()) { |
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560 _env->record_method_not_compilable(bailout_msg(), !TieredCompilation); |
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561 if (is_profiling()) { |
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562 // Compilation failed, create MDO, which would signal the interpreter |
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563 // to start profiling on its own. |
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564 _method->ensure_method_data(); |
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565 } |
2252 | 566 } else if (is_profiling()) { |
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567 ciMethodData *md = method->method_data_or_null(); |
2252 | 568 if (md != NULL) { |
569 md->set_would_profile(_would_profile); | |
570 } | |
1783 | 571 } |
0 | 572 } |
573 | |
574 Compilation::~Compilation() { | |
1584 | 575 _env->set_compiler_data(NULL); |
0 | 576 } |
577 | |
578 | |
579 void Compilation::add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers) { | |
580 #ifndef PRODUCT | |
581 if (PrintExceptionHandlers && Verbose) { | |
582 tty->print_cr(" added exception scope for pco %d", pco); | |
583 } | |
584 #endif | |
585 // Note: we do not have program counters for these exception handlers yet | |
586 exception_info_list()->push(new ExceptionInfo(pco, exception_handlers)); | |
587 } | |
588 | |
589 | |
590 void Compilation::notice_inlined_method(ciMethod* method) { | |
591 _env->notice_inlined_method(method); | |
592 } | |
593 | |
594 | |
595 void Compilation::bailout(const char* msg) { | |
596 assert(msg != NULL, "bailout message must exist"); | |
597 if (!bailed_out()) { | |
598 // keep first bailout message | |
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599 if (PrintCompilation || PrintBailouts) tty->print_cr("compilation bailout: %s", msg); |
0 | 600 _bailout_msg = msg; |
601 } | |
602 } | |
603 | |
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604 ciKlass* Compilation::cha_exact_type(ciType* type) { |
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605 if (type != NULL && type->is_loaded() && type->is_instance_klass()) { |
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606 ciInstanceKlass* ik = type->as_instance_klass(); |
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607 assert(ik->exact_klass() == NULL, "no cha for final klass"); |
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608 if (DeoptC1 && UseCHA && !(ik->has_subklass() || ik->is_interface())) { |
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609 dependency_recorder()->assert_leaf_type(ik); |
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610 return ik; |
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611 } |
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612 } |
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613 return NULL; |
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614 } |
0 | 615 |
616 void Compilation::print_timers() { | |
617 // tty->print_cr(" Native methods : %6.3f s, Average : %2.3f", CompileBroker::_t_native_compilation.seconds(), CompileBroker::_t_native_compilation.seconds() / CompileBroker::_total_native_compile_count); | |
618 float total = timers[_t_setup].seconds() + timers[_t_buildIR].seconds() + timers[_t_emit_lir].seconds() + timers[_t_lir_schedule].seconds() + timers[_t_codeemit].seconds() + timers[_t_codeinstall].seconds(); | |
619 | |
620 | |
621 tty->print_cr(" Detailed C1 Timings"); | |
622 tty->print_cr(" Setup time: %6.3f s (%4.1f%%)", timers[_t_setup].seconds(), (timers[_t_setup].seconds() / total) * 100.0); | |
623 tty->print_cr(" Build IR: %6.3f s (%4.1f%%)", timers[_t_buildIR].seconds(), (timers[_t_buildIR].seconds() / total) * 100.0); | |
8860 | 624 float t_optimizeIR = timers[_t_optimize_blocks].seconds() + timers[_t_optimize_null_checks].seconds(); |
625 tty->print_cr(" Optimize: %6.3f s (%4.1f%%)", t_optimizeIR, (t_optimizeIR / total) * 100.0); | |
626 tty->print_cr(" RCE: %6.3f s (%4.1f%%)", timers[_t_rangeCheckElimination].seconds(), (timers[_t_rangeCheckElimination].seconds() / total) * 100.0); | |
0 | 627 tty->print_cr(" Emit LIR: %6.3f s (%4.1f%%)", timers[_t_emit_lir].seconds(), (timers[_t_emit_lir].seconds() / total) * 100.0); |
628 tty->print_cr(" LIR Gen: %6.3f s (%4.1f%%)", timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0); | |
629 tty->print_cr(" Linear Scan: %6.3f s (%4.1f%%)", timers[_t_linearScan].seconds(), (timers[_t_linearScan].seconds() / total) * 100.0); | |
630 NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds())); | |
631 tty->print_cr(" LIR Schedule: %6.3f s (%4.1f%%)", timers[_t_lir_schedule].seconds(), (timers[_t_lir_schedule].seconds() / total) * 100.0); | |
632 tty->print_cr(" Code Emission: %6.3f s (%4.1f%%)", timers[_t_codeemit].seconds(), (timers[_t_codeemit].seconds() / total) * 100.0); | |
633 tty->print_cr(" Code Installation: %6.3f s (%4.1f%%)", timers[_t_codeinstall].seconds(), (timers[_t_codeinstall].seconds() / total) * 100.0); | |
634 tty->print_cr(" Instruction Nodes: %6d nodes", totalInstructionNodes); | |
635 | |
636 NOT_PRODUCT(LinearScan::print_statistics()); | |
637 } | |
638 | |
639 | |
640 #ifndef PRODUCT | |
641 void Compilation::compile_only_this_method() { | |
642 ResourceMark rm; | |
643 fileStream stream(fopen("c1_compile_only", "wt")); | |
644 stream.print_cr("# c1 compile only directives"); | |
645 compile_only_this_scope(&stream, hir()->top_scope()); | |
646 } | |
647 | |
648 | |
649 void Compilation::compile_only_this_scope(outputStream* st, IRScope* scope) { | |
650 st->print("CompileOnly="); | |
651 scope->method()->holder()->name()->print_symbol_on(st); | |
652 st->print("."); | |
653 scope->method()->name()->print_symbol_on(st); | |
654 st->cr(); | |
655 } | |
656 | |
657 | |
658 void Compilation::exclude_this_method() { | |
659 fileStream stream(fopen(".hotspot_compiler", "at")); | |
660 stream.print("exclude "); | |
661 method()->holder()->name()->print_symbol_on(&stream); | |
662 stream.print(" "); | |
663 method()->name()->print_symbol_on(&stream); | |
664 stream.cr(); | |
665 stream.cr(); | |
666 } | |
667 #endif |