Mercurial > hg > truffle
annotate src/share/vm/c1/c1_Compilation.cpp @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | 4ca6dc0799b6 |
| children | 52b4284cb496 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 17524 | 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 |