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annotate src/share/vm/c1/c1_Compilation.cpp @ 3109:3664989976e2
Merge
author | Gilles Duboscq <gilles.duboscq@oracle.com> |
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date | Fri, 01 Jul 2011 12:57:10 +0200 |
parents | 72d6c57d0658 |
children | c124e2e7463e |
rev | line source |
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0 | 1 /* |
2252 | 2 * Copyright (c) 1999, 2011, 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 * | |
1552
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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" | |
0 | 35 |
36 | |
37 typedef enum { | |
38 _t_compile, | |
39 _t_setup, | |
40 _t_optimizeIR, | |
41 _t_buildIR, | |
42 _t_emit_lir, | |
43 _t_linearScan, | |
44 _t_lirGeneration, | |
45 _t_lir_schedule, | |
46 _t_codeemit, | |
47 _t_codeinstall, | |
48 max_phase_timers | |
49 } TimerName; | |
50 | |
51 static const char * timer_name[] = { | |
52 "compile", | |
53 "setup", | |
54 "optimizeIR", | |
55 "buildIR", | |
56 "emit_lir", | |
57 "linearScan", | |
58 "lirGeneration", | |
59 "lir_schedule", | |
60 "codeemit", | |
61 "codeinstall" | |
62 }; | |
63 | |
64 static elapsedTimer timers[max_phase_timers]; | |
65 static int totalInstructionNodes = 0; | |
66 | |
67 class PhaseTraceTime: public TraceTime { | |
68 private: | |
69 JavaThread* _thread; | |
70 | |
71 public: | |
72 PhaseTraceTime(TimerName timer): | |
73 TraceTime("", &timers[timer], CITime || CITimeEach, Verbose) { | |
74 } | |
75 }; | |
76 | |
77 // Implementation of Compilation | |
78 | |
79 | |
80 #ifndef PRODUCT | |
81 | |
82 void Compilation::maybe_print_current_instruction() { | |
83 if (_current_instruction != NULL && _last_instruction_printed != _current_instruction) { | |
84 _last_instruction_printed = _current_instruction; | |
85 _current_instruction->print_line(); | |
86 } | |
87 } | |
88 #endif // PRODUCT | |
89 | |
90 | |
91 DebugInformationRecorder* Compilation::debug_info_recorder() const { | |
92 return _env->debug_info(); | |
93 } | |
94 | |
95 | |
96 Dependencies* Compilation::dependency_recorder() const { | |
97 return _env->dependencies(); | |
98 } | |
99 | |
100 | |
101 void Compilation::initialize() { | |
102 // Use an oop recorder bound to the CI environment. | |
103 // (The default oop recorder is ignorant of the CI.) | |
104 OopRecorder* ooprec = new OopRecorder(_env->arena()); | |
105 _env->set_oop_recorder(ooprec); | |
106 _env->set_debug_info(new DebugInformationRecorder(ooprec)); | |
107 debug_info_recorder()->set_oopmaps(new OopMapSet()); | |
108 _env->set_dependencies(new Dependencies(_env)); | |
109 } | |
110 | |
111 | |
112 void Compilation::build_hir() { | |
113 CHECK_BAILOUT(); | |
114 | |
115 // setup ir | |
116 _hir = new IR(this, method(), osr_bci()); | |
117 if (!_hir->is_valid()) { | |
118 bailout("invalid parsing"); | |
119 return; | |
120 } | |
121 | |
122 #ifndef PRODUCT | |
123 if (PrintCFGToFile) { | |
124 CFGPrinter::print_cfg(_hir, "After Generation of HIR", true, false); | |
125 } | |
126 #endif | |
127 | |
128 #ifndef PRODUCT | |
129 if (PrintCFG || PrintCFG0) { tty->print_cr("CFG after parsing"); _hir->print(true); } | |
130 if (PrintIR || PrintIR0 ) { tty->print_cr("IR after parsing"); _hir->print(false); } | |
131 #endif | |
132 | |
133 _hir->verify(); | |
134 | |
135 if (UseC1Optimizations) { | |
136 NEEDS_CLEANUP | |
137 // optimization | |
138 PhaseTraceTime timeit(_t_optimizeIR); | |
139 | |
140 _hir->optimize(); | |
141 } | |
142 | |
143 _hir->verify(); | |
144 | |
145 _hir->split_critical_edges(); | |
146 | |
147 #ifndef PRODUCT | |
148 if (PrintCFG || PrintCFG1) { tty->print_cr("CFG after optimizations"); _hir->print(true); } | |
149 if (PrintIR || PrintIR1 ) { tty->print_cr("IR after optimizations"); _hir->print(false); } | |
150 #endif | |
151 | |
152 _hir->verify(); | |
153 | |
154 // compute block ordering for code generation | |
155 // the control flow must not be changed from here on | |
156 _hir->compute_code(); | |
157 | |
158 if (UseGlobalValueNumbering) { | |
159 ResourceMark rm; | |
160 int instructions = Instruction::number_of_instructions(); | |
161 GlobalValueNumbering gvn(_hir); | |
162 assert(instructions == Instruction::number_of_instructions(), | |
163 "shouldn't have created an instructions"); | |
164 } | |
165 | |
166 // compute use counts after global value numbering | |
167 _hir->compute_use_counts(); | |
168 | |
169 #ifndef PRODUCT | |
170 if (PrintCFG || PrintCFG2) { tty->print_cr("CFG before code generation"); _hir->code()->print(true); } | |
171 if (PrintIR || PrintIR2 ) { tty->print_cr("IR before code generation"); _hir->code()->print(false, true); } | |
172 #endif | |
173 | |
174 _hir->verify(); | |
175 } | |
176 | |
177 | |
178 void Compilation::emit_lir() { | |
179 CHECK_BAILOUT(); | |
180 | |
181 LIRGenerator gen(this, method()); | |
182 { | |
183 PhaseTraceTime timeit(_t_lirGeneration); | |
184 hir()->iterate_linear_scan_order(&gen); | |
185 } | |
186 | |
187 CHECK_BAILOUT(); | |
188 | |
189 { | |
190 PhaseTraceTime timeit(_t_linearScan); | |
191 | |
192 LinearScan* allocator = new LinearScan(hir(), &gen, frame_map()); | |
193 set_allocator(allocator); | |
194 // Assign physical registers to LIR operands using a linear scan algorithm. | |
195 allocator->do_linear_scan(); | |
196 CHECK_BAILOUT(); | |
197 | |
198 _max_spills = allocator->max_spills(); | |
199 } | |
200 | |
201 if (BailoutAfterLIR) { | |
202 if (PrintLIR && !bailed_out()) { | |
203 print_LIR(hir()->code()); | |
204 } | |
205 bailout("Bailing out because of -XX:+BailoutAfterLIR"); | |
206 } | |
207 } | |
208 | |
209 | |
210 void Compilation::emit_code_epilog(LIR_Assembler* assembler) { | |
211 CHECK_BAILOUT(); | |
212 | |
1204 | 213 CodeOffsets* code_offsets = assembler->offsets(); |
214 | |
0 | 215 // generate code or slow cases |
216 assembler->emit_slow_case_stubs(); | |
217 CHECK_BAILOUT(); | |
218 | |
219 // generate exception adapters | |
220 assembler->emit_exception_entries(exception_info_list()); | |
221 CHECK_BAILOUT(); | |
222 | |
1204 | 223 // Generate code for exception handler. |
224 code_offsets->set_value(CodeOffsets::Exceptions, assembler->emit_exception_handler()); | |
0 | 225 CHECK_BAILOUT(); |
1204 | 226 |
227 // Generate code for deopt handler. | |
228 code_offsets->set_value(CodeOffsets::Deopt, assembler->emit_deopt_handler()); | |
229 CHECK_BAILOUT(); | |
230 | |
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231 // Emit the MethodHandle deopt handler code (if required). |
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232 if (has_method_handle_invokes()) { |
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233 // We can use the same code as for the normal deopt handler, we |
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234 // just need a different entry point address. |
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235 code_offsets->set_value(CodeOffsets::DeoptMH, assembler->emit_deopt_handler()); |
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236 CHECK_BAILOUT(); |
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237 } |
0 | 238 |
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239 // Emit the handler to remove the activation from the stack and |
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240 // dispatch to the caller. |
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241 offsets()->set_value(CodeOffsets::UnwindHandler, assembler->emit_unwind_handler()); |
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242 |
0 | 243 // done |
244 masm()->flush(); | |
245 } | |
246 | |
247 | |
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248 bool Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) { |
1584 | 249 // Preinitialize the consts section to some large size: |
250 int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo)); | |
251 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size); | |
252 code->insts()->initialize_shared_locs((relocInfo*)locs_buffer, | |
253 locs_buffer_size / sizeof(relocInfo)); | |
254 code->initialize_consts_size(Compilation::desired_max_constant_size()); | |
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255 // Call stubs + two deopt handlers (regular and MH) + exception handler |
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256 int stub_size = (call_stub_estimate * LIR_Assembler::call_stub_size) + |
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257 LIR_Assembler::exception_handler_size + |
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258 (2 * LIR_Assembler::deopt_handler_size); |
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259 if (stub_size >= code->insts_capacity()) return false; |
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260 code->initialize_stubs_size(stub_size); |
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261 return true; |
1584 | 262 } |
263 | |
264 | |
0 | 265 int Compilation::emit_code_body() { |
266 // emit code | |
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267 if (!setup_code_buffer(code(), allocator()->num_calls())) { |
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268 BAILOUT_("size requested greater than avail code buffer size", 0); |
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269 } |
0 | 270 code()->initialize_oop_recorder(env()->oop_recorder()); |
271 | |
272 _masm = new C1_MacroAssembler(code()); | |
273 _masm->set_oop_recorder(env()->oop_recorder()); | |
274 | |
275 LIR_Assembler lir_asm(this); | |
276 | |
277 lir_asm.emit_code(hir()->code()); | |
278 CHECK_BAILOUT_(0); | |
279 | |
280 emit_code_epilog(&lir_asm); | |
281 CHECK_BAILOUT_(0); | |
282 | |
283 generate_exception_handler_table(); | |
284 | |
285 #ifndef PRODUCT | |
286 if (PrintExceptionHandlers && Verbose) { | |
287 exception_handler_table()->print(); | |
288 } | |
289 #endif /* PRODUCT */ | |
290 | |
291 return frame_map()->framesize(); | |
292 } | |
293 | |
294 | |
295 int Compilation::compile_java_method() { | |
296 assert(!method()->is_native(), "should not reach here"); | |
297 | |
298 if (BailoutOnExceptionHandlers) { | |
299 if (method()->has_exception_handlers()) { | |
300 bailout("linear scan can't handle exception handlers"); | |
301 } | |
302 } | |
303 | |
304 CHECK_BAILOUT_(no_frame_size); | |
305 | |
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306 if (is_profiling() && !method()->ensure_method_data()) { |
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307 BAILOUT_("mdo allocation failed", no_frame_size); |
1783 | 308 } |
309 | |
0 | 310 { |
311 PhaseTraceTime timeit(_t_buildIR); | |
1783 | 312 build_hir(); |
0 | 313 } |
314 if (BailoutAfterHIR) { | |
315 BAILOUT_("Bailing out because of -XX:+BailoutAfterHIR", no_frame_size); | |
316 } | |
317 | |
318 | |
319 { | |
320 PhaseTraceTime timeit(_t_emit_lir); | |
321 | |
322 _frame_map = new FrameMap(method(), hir()->number_of_locks(), MAX2(4, hir()->max_stack())); | |
323 emit_lir(); | |
324 } | |
325 CHECK_BAILOUT_(no_frame_size); | |
326 | |
327 { | |
328 PhaseTraceTime timeit(_t_codeemit); | |
329 return emit_code_body(); | |
330 } | |
331 } | |
332 | |
333 void Compilation::install_code(int frame_size) { | |
334 // frame_size is in 32-bit words so adjust it intptr_t words | |
335 assert(frame_size == frame_map()->framesize(), "must match"); | |
336 assert(in_bytes(frame_map()->framesize_in_bytes()) % sizeof(intptr_t) == 0, "must be at least pointer aligned"); | |
337 _env->register_method( | |
338 method(), | |
339 osr_bci(), | |
340 &_offsets, | |
341 in_bytes(_frame_map->sp_offset_for_orig_pc()), | |
342 code(), | |
343 in_bytes(frame_map()->framesize_in_bytes()) / sizeof(intptr_t), | |
344 debug_info_recorder()->_oopmaps, | |
345 exception_handler_table(), | |
346 implicit_exception_table(), | |
347 compiler(), | |
348 _env->comp_level(), | |
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349 true, |
0 | 350 has_unsafe_access() |
351 ); | |
352 } | |
353 | |
354 | |
355 void Compilation::compile_method() { | |
356 // setup compilation | |
357 initialize(); | |
358 | |
359 if (!method()->can_be_compiled()) { | |
360 // Prevent race condition 6328518. | |
361 // This can happen if the method is obsolete or breakpointed. | |
362 bailout("Bailing out because method is not compilable"); | |
363 return; | |
364 } | |
365 | |
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366 if (_env->jvmti_can_hotswap_or_post_breakpoint()) { |
0 | 367 // We can assert evol_method because method->can_be_compiled is true. |
368 dependency_recorder()->assert_evol_method(method()); | |
369 } | |
370 | |
371 if (method()->break_at_execute()) { | |
372 BREAKPOINT; | |
373 } | |
374 | |
375 #ifndef PRODUCT | |
376 if (PrintCFGToFile) { | |
377 CFGPrinter::print_compilation(this); | |
378 } | |
379 #endif | |
380 | |
381 // compile method | |
382 int frame_size = compile_java_method(); | |
383 | |
384 // bailout if method couldn't be compiled | |
385 // Note: make sure we mark the method as not compilable! | |
386 CHECK_BAILOUT(); | |
387 | |
388 if (InstallMethods) { | |
389 // install code | |
390 PhaseTraceTime timeit(_t_codeinstall); | |
391 install_code(frame_size); | |
392 } | |
393 totalInstructionNodes += Instruction::number_of_instructions(); | |
394 } | |
395 | |
396 | |
397 void Compilation::generate_exception_handler_table() { | |
398 // Generate an ExceptionHandlerTable from the exception handler | |
399 // information accumulated during the compilation. | |
400 ExceptionInfoList* info_list = exception_info_list(); | |
401 | |
402 if (info_list->length() == 0) { | |
403 return; | |
404 } | |
405 | |
406 // allocate some arrays for use by the collection code. | |
407 const int num_handlers = 5; | |
408 GrowableArray<intptr_t>* bcis = new GrowableArray<intptr_t>(num_handlers); | |
409 GrowableArray<intptr_t>* scope_depths = new GrowableArray<intptr_t>(num_handlers); | |
410 GrowableArray<intptr_t>* pcos = new GrowableArray<intptr_t>(num_handlers); | |
411 | |
412 for (int i = 0; i < info_list->length(); i++) { | |
413 ExceptionInfo* info = info_list->at(i); | |
414 XHandlers* handlers = info->exception_handlers(); | |
415 | |
416 // empty the arrays | |
417 bcis->trunc_to(0); | |
418 scope_depths->trunc_to(0); | |
419 pcos->trunc_to(0); | |
420 | |
421 for (int i = 0; i < handlers->length(); i++) { | |
422 XHandler* handler = handlers->handler_at(i); | |
423 assert(handler->entry_pco() != -1, "must have been generated"); | |
424 | |
425 int e = bcis->find(handler->handler_bci()); | |
426 if (e >= 0 && scope_depths->at(e) == handler->scope_count()) { | |
427 // two different handlers are declared to dispatch to the same | |
428 // catch bci. During parsing we created edges for each | |
429 // handler but we really only need one. The exception handler | |
430 // table will also get unhappy if we try to declare both since | |
431 // it's nonsensical. Just skip this handler. | |
432 continue; | |
433 } | |
434 | |
435 bcis->append(handler->handler_bci()); | |
436 if (handler->handler_bci() == -1) { | |
437 // insert a wildcard handler at scope depth 0 so that the | |
438 // exception lookup logic with find it. | |
439 scope_depths->append(0); | |
440 } else { | |
441 scope_depths->append(handler->scope_count()); | |
442 } | |
443 pcos->append(handler->entry_pco()); | |
444 | |
445 // stop processing once we hit a catch any | |
446 if (handler->is_catch_all()) { | |
447 assert(i == handlers->length() - 1, "catch all must be last handler"); | |
448 } | |
449 } | |
450 exception_handler_table()->add_subtable(info->pco(), bcis, scope_depths, pcos); | |
451 } | |
452 } | |
453 | |
454 | |
1584 | 455 Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, |
456 int osr_bci, BufferBlob* buffer_blob) | |
0 | 457 : _compiler(compiler) |
458 , _env(env) | |
459 , _method(method) | |
460 , _osr_bci(osr_bci) | |
461 , _hir(NULL) | |
462 , _max_spills(-1) | |
463 , _frame_map(NULL) | |
464 , _masm(NULL) | |
465 , _has_exception_handlers(false) | |
466 , _has_fpu_code(true) // pessimistic assumption | |
1783 | 467 , _would_profile(false) |
0 | 468 , _has_unsafe_access(false) |
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469 , _has_method_handle_invokes(false) |
0 | 470 , _bailout_msg(NULL) |
471 , _exception_info_list(NULL) | |
472 , _allocator(NULL) | |
1584 | 473 , _next_id(0) |
474 , _next_block_id(0) | |
1748 | 475 , _code(buffer_blob) |
0 | 476 , _current_instruction(NULL) |
477 #ifndef PRODUCT | |
478 , _last_instruction_printed(NULL) | |
479 #endif // PRODUCT | |
480 { | |
481 PhaseTraceTime timeit(_t_compile); | |
482 _arena = Thread::current()->resource_area(); | |
1584 | 483 _env->set_compiler_data(this); |
0 | 484 _exception_info_list = new ExceptionInfoList(); |
485 _implicit_exception_table.set_size(0); | |
486 compile_method(); | |
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487 if (bailed_out()) { |
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488 _env->record_method_not_compilable(bailout_msg(), !TieredCompilation); |
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489 if (is_profiling()) { |
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490 // Compilation failed, create MDO, which would signal the interpreter |
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491 // to start profiling on its own. |
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492 _method->ensure_method_data(); |
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493 } |
2252 | 494 } else if (is_profiling()) { |
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495 ciMethodData *md = method->method_data_or_null(); |
2252 | 496 if (md != NULL) { |
497 md->set_would_profile(_would_profile); | |
498 } | |
1783 | 499 } |
0 | 500 } |
501 | |
502 Compilation::~Compilation() { | |
1584 | 503 _env->set_compiler_data(NULL); |
0 | 504 } |
505 | |
506 | |
507 void Compilation::add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers) { | |
508 #ifndef PRODUCT | |
509 if (PrintExceptionHandlers && Verbose) { | |
510 tty->print_cr(" added exception scope for pco %d", pco); | |
511 } | |
512 #endif | |
513 // Note: we do not have program counters for these exception handlers yet | |
514 exception_info_list()->push(new ExceptionInfo(pco, exception_handlers)); | |
515 } | |
516 | |
517 | |
518 void Compilation::notice_inlined_method(ciMethod* method) { | |
519 _env->notice_inlined_method(method); | |
520 } | |
521 | |
522 | |
523 void Compilation::bailout(const char* msg) { | |
524 assert(msg != NULL, "bailout message must exist"); | |
525 if (!bailed_out()) { | |
526 // keep first bailout message | |
527 if (PrintBailouts) tty->print_cr("compilation bailout: %s", msg); | |
528 _bailout_msg = msg; | |
529 } | |
530 } | |
531 | |
532 | |
533 void Compilation::print_timers() { | |
534 // 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); | |
535 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(); | |
536 | |
537 | |
538 tty->print_cr(" Detailed C1 Timings"); | |
539 tty->print_cr(" Setup time: %6.3f s (%4.1f%%)", timers[_t_setup].seconds(), (timers[_t_setup].seconds() / total) * 100.0); | |
540 tty->print_cr(" Build IR: %6.3f s (%4.1f%%)", timers[_t_buildIR].seconds(), (timers[_t_buildIR].seconds() / total) * 100.0); | |
541 tty->print_cr(" Optimize: %6.3f s (%4.1f%%)", timers[_t_optimizeIR].seconds(), (timers[_t_optimizeIR].seconds() / total) * 100.0); | |
542 tty->print_cr(" Emit LIR: %6.3f s (%4.1f%%)", timers[_t_emit_lir].seconds(), (timers[_t_emit_lir].seconds() / total) * 100.0); | |
543 tty->print_cr(" LIR Gen: %6.3f s (%4.1f%%)", timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0); | |
544 tty->print_cr(" Linear Scan: %6.3f s (%4.1f%%)", timers[_t_linearScan].seconds(), (timers[_t_linearScan].seconds() / total) * 100.0); | |
545 NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds())); | |
546 tty->print_cr(" LIR Schedule: %6.3f s (%4.1f%%)", timers[_t_lir_schedule].seconds(), (timers[_t_lir_schedule].seconds() / total) * 100.0); | |
547 tty->print_cr(" Code Emission: %6.3f s (%4.1f%%)", timers[_t_codeemit].seconds(), (timers[_t_codeemit].seconds() / total) * 100.0); | |
548 tty->print_cr(" Code Installation: %6.3f s (%4.1f%%)", timers[_t_codeinstall].seconds(), (timers[_t_codeinstall].seconds() / total) * 100.0); | |
549 tty->print_cr(" Instruction Nodes: %6d nodes", totalInstructionNodes); | |
550 | |
551 NOT_PRODUCT(LinearScan::print_statistics()); | |
552 } | |
553 | |
554 | |
555 #ifndef PRODUCT | |
556 void Compilation::compile_only_this_method() { | |
557 ResourceMark rm; | |
558 fileStream stream(fopen("c1_compile_only", "wt")); | |
559 stream.print_cr("# c1 compile only directives"); | |
560 compile_only_this_scope(&stream, hir()->top_scope()); | |
561 } | |
562 | |
563 | |
564 void Compilation::compile_only_this_scope(outputStream* st, IRScope* scope) { | |
565 st->print("CompileOnly="); | |
566 scope->method()->holder()->name()->print_symbol_on(st); | |
567 st->print("."); | |
568 scope->method()->name()->print_symbol_on(st); | |
569 st->cr(); | |
570 } | |
571 | |
572 | |
573 void Compilation::exclude_this_method() { | |
574 fileStream stream(fopen(".hotspot_compiler", "at")); | |
575 stream.print("exclude "); | |
576 method()->holder()->name()->print_symbol_on(&stream); | |
577 stream.print(" "); | |
578 method()->name()->print_symbol_on(&stream); | |
579 stream.cr(); | |
580 stream.cr(); | |
581 } | |
582 #endif |