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comparison src/share/vm/c1/c1_Compilation.cpp @ 1584:b812ff5abc73

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6958292: C1: Enable parallel compilation Summary: Enable parallel compilation in C1 Reviewed-by: never, kvn
author iveresov
date Fri, 04 Jun 2010 11:18:04 -0700
parents c18cbe5936b8
children 9887b5e57f9e
comparison
equal deleted inserted replaced
1583:02e771df338e 1584:b812ff5abc73
64 PhaseTraceTime(TimerName timer): 64 PhaseTraceTime(TimerName timer):
65 TraceTime("", &timers[timer], CITime || CITimeEach, Verbose) { 65 TraceTime("", &timers[timer], CITime || CITimeEach, Verbose) {
66 } 66 }
67 }; 67 };
68 68
69 Arena* Compilation::_arena = NULL;
70 Compilation* Compilation::_compilation = NULL;
71
72 // Implementation of Compilation 69 // Implementation of Compilation
73 70
74 71
75 #ifndef PRODUCT 72 #ifndef PRODUCT
76 73
236 // done 233 // done
237 masm()->flush(); 234 masm()->flush();
238 } 235 }
239 236
240 237
238 void Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
239 // Preinitialize the consts section to some large size:
240 int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo));
241 char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size);
242 code->insts()->initialize_shared_locs((relocInfo*)locs_buffer,
243 locs_buffer_size / sizeof(relocInfo));
244 code->initialize_consts_size(Compilation::desired_max_constant_size());
245 // Call stubs + deopt/exception handler
246 code->initialize_stubs_size((call_stub_estimate * LIR_Assembler::call_stub_size) +
247 LIR_Assembler::exception_handler_size +
248 LIR_Assembler::deopt_handler_size);
249 }
250
251
241 int Compilation::emit_code_body() { 252 int Compilation::emit_code_body() {
242 // emit code 253 // emit code
243 Runtime1::setup_code_buffer(code(), allocator()->num_calls()); 254 setup_code_buffer(code(), allocator()->num_calls());
244 code()->initialize_oop_recorder(env()->oop_recorder()); 255 code()->initialize_oop_recorder(env()->oop_recorder());
245 256
246 _masm = new C1_MacroAssembler(code()); 257 _masm = new C1_MacroAssembler(code());
247 _masm->set_oop_recorder(env()->oop_recorder()); 258 _masm->set_oop_recorder(env()->oop_recorder());
248 259
420 exception_handler_table()->add_subtable(info->pco(), bcis, scope_depths, pcos); 431 exception_handler_table()->add_subtable(info->pco(), bcis, scope_depths, pcos);
421 } 432 }
422 } 433 }
423 434
424 435
425 Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, int osr_bci) 436 Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method,
437 int osr_bci, BufferBlob* buffer_blob)
426 : _compiler(compiler) 438 : _compiler(compiler)
427 , _env(env) 439 , _env(env)
428 , _method(method) 440 , _method(method)
429 , _osr_bci(osr_bci) 441 , _osr_bci(osr_bci)
430 , _hir(NULL) 442 , _hir(NULL)
435 , _has_fpu_code(true) // pessimistic assumption 447 , _has_fpu_code(true) // pessimistic assumption
436 , _has_unsafe_access(false) 448 , _has_unsafe_access(false)
437 , _bailout_msg(NULL) 449 , _bailout_msg(NULL)
438 , _exception_info_list(NULL) 450 , _exception_info_list(NULL)
439 , _allocator(NULL) 451 , _allocator(NULL)
440 , _code(Runtime1::get_buffer_blob()->instructions_begin(), 452 , _next_id(0)
441 Runtime1::get_buffer_blob()->instructions_size()) 453 , _next_block_id(0)
454 , _code(buffer_blob->instructions_begin(),
455 buffer_blob->instructions_size())
442 , _current_instruction(NULL) 456 , _current_instruction(NULL)
443 #ifndef PRODUCT 457 #ifndef PRODUCT
444 , _last_instruction_printed(NULL) 458 , _last_instruction_printed(NULL)
445 #endif // PRODUCT 459 #endif // PRODUCT
446 { 460 {
447 PhaseTraceTime timeit(_t_compile); 461 PhaseTraceTime timeit(_t_compile);
448 462
449 assert(_arena == NULL, "shouldn't only one instance of Compilation in existence at a time");
450 _arena = Thread::current()->resource_area(); 463 _arena = Thread::current()->resource_area();
451 _compilation = this; 464 _env->set_compiler_data(this);
452 _exception_info_list = new ExceptionInfoList(); 465 _exception_info_list = new ExceptionInfoList();
453 _implicit_exception_table.set_size(0); 466 _implicit_exception_table.set_size(0);
454 compile_method(); 467 compile_method();
455 } 468 }
456 469
457 Compilation::~Compilation() { 470 Compilation::~Compilation() {
458 _arena = NULL; 471 _env->set_compiler_data(NULL);
459 _compilation = NULL;
460 } 472 }
461 473
462 474
463 void Compilation::add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers) { 475 void Compilation::add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers) {
464 #ifndef PRODUCT 476 #ifndef PRODUCT