jdk8-mips64-public/hotspot: src/share/vm/c1/c1

8072383: resolve conflicts between open and closed ports
Summary: refactor close to remove references to closed ports
Reviewed-by: kvn, simonis, sgehwolf, dholmes

     1 /*

     2  * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.

     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  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    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"

    35 #include "compiler/compileLog.hpp"

    36 #include "c1/c1_RangeCheckElimination.hpp"

    39 typedef enum {

    40   _t_compile,

    41   _t_setup,

    42   _t_buildIR,

    43   _t_optimize_blocks,

    44   _t_optimize_null_checks,

    45   _t_rangeCheckElimination,

    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;

    55 static const char * timer_name[] = {

    56   "compile",

    57   "setup",

    58   "buildIR",

    59   "optimize_blocks",

    60   "optimize_null_checks",

    61   "rangeCheckElimination",

    62   "emit_lir",

    63   "linearScan",

    64   "lirGeneration",

    65   "lir_schedule",

    66   "codeemit",

    67   "codeinstall"

    68 };

    70 static elapsedTimer timers[max_phase_timers];

    71 static int totalInstructionNodes = 0;

    73 class PhaseTraceTime: public TraceTime {

    74  private:

    75   JavaThread* _thread;

    76   CompileLog* _log;

    77   TimerName _timer;

    79  public:

    80   PhaseTraceTime(TimerName timer)

    81   : TraceTime("", &timers[timer], CITime || CITimeEach, Verbose),

    82     _log(NULL), _timer(timer)

    83   {

    84     if (Compilation::current() != NULL) {

    85       _log = Compilation::current()->log();

    86     }

    88     if (_log != NULL) {

    89       _log->begin_head("phase name='%s'", timer_name[_timer]);

    90       _log->stamp();

    91       _log->end_head();

    92     }

    93   }

    95   ~PhaseTraceTime() {

    96     if (_log != NULL)

    97       _log->done("phase name='%s'", timer_name[_timer]);

    98   }

    99 };

   101 // Implementation of Compilation

   104 #ifndef PRODUCT

   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

   115 DebugInformationRecorder* Compilation::debug_info_recorder() const {

   116   return _env->debug_info();

   117 }

   120 Dependencies* Compilation::dependency_recorder() const {

   121   return _env->dependencies();

   122 }

   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 }

   136 void Compilation::build_hir() {

   137   CHECK_BAILOUT();

   139   // setup ir

   140   CompileLog* log = this->log();

   141   if (log != NULL) {

   142     log->begin_head("parse method='%d' ",

   143                     log->identify(_method));

   144     log->stamp();

   145     log->end_head();

   146   }

   147   _hir = new IR(this, method(), osr_bci());

   148   if (log)  log->done("parse");

   149   if (!_hir->is_valid()) {

   150     bailout("invalid parsing");

   151     return;

   152   }

   154 #ifndef PRODUCT

   155   if (PrintCFGToFile) {

   156     CFGPrinter::print_cfg(_hir, "After Generation of HIR", true, false);

   157   }

   158 #endif

   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

   165   _hir->verify();

   167   if (UseC1Optimizations) {

   168     NEEDS_CLEANUP

   169     // optimization

   170     PhaseTraceTime timeit(_t_optimize_blocks);

   172     _hir->optimize_blocks();

   173   }

   175   _hir->verify();

   177   _hir->split_critical_edges();

   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

   184   _hir->verify();

   186   // compute block ordering for code generation

   187   // the control flow must not be changed from here on

   188   _hir->compute_code();

   190   if (UseGlobalValueNumbering) {

   191     // No resource mark here! LoopInvariantCodeMotion can allocate ValueStack objects.

   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   }

   198   _hir->verify();

   200 #ifndef PRODUCT

   201   if (PrintCFGToFile) {

   202     CFGPrinter::print_cfg(_hir, "Before RangeCheckElimination", true, false);

   203   }

   204 #endif

   206   if (RangeCheckElimination) {

   207     if (_hir->osr_entry() == NULL) {

   208       PhaseTraceTime timeit(_t_rangeCheckElimination);

   209       RangeCheckElimination::eliminate(_hir);

   210     }

   211   }

   213 #ifndef PRODUCT

   214   if (PrintCFGToFile) {

   215     CFGPrinter::print_cfg(_hir, "After RangeCheckElimination", true, false);

   216   }

   217 #endif

   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);

   227     _hir->eliminate_null_checks();

   228   }

   230   _hir->verify();

   232   // compute use counts after global value numbering

   233   _hir->compute_use_counts();

   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

   240   _hir->verify();

   241 }

   244 void Compilation::emit_lir() {

   245   CHECK_BAILOUT();

   247   LIRGenerator gen(this, method());

   248   {

   249     PhaseTraceTime timeit(_t_lirGeneration);

   250     hir()->iterate_linear_scan_order(&gen);

   251   }

   253   CHECK_BAILOUT();

   255   {

   256     PhaseTraceTime timeit(_t_linearScan);

   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();

   264     _max_spills = allocator->max_spills();

   265   }

   267   if (BailoutAfterLIR) {

   268     if (PrintLIR && !bailed_out()) {

   269       print_LIR(hir()->code());

   270     }

   271     bailout("Bailing out because of -XX:+BailoutAfterLIR");

   272   }

   273 }

   276 void Compilation::emit_code_epilog(LIR_Assembler* assembler) {

   277   CHECK_BAILOUT();

   279   CodeOffsets* code_offsets = assembler->offsets();

   281   // generate code or slow cases

   282   assembler->emit_slow_case_stubs();

   283   CHECK_BAILOUT();

   285   // generate exception adapters

   286   assembler->emit_exception_entries(exception_info_list());

   287   CHECK_BAILOUT();

   289   // Generate code for exception handler.

   290   code_offsets->set_value(CodeOffsets::Exceptions, assembler->emit_exception_handler());

   291   CHECK_BAILOUT();

   293   // Generate code for deopt handler.

   294   code_offsets->set_value(CodeOffsets::Deopt, assembler->emit_deopt_handler());

   295   CHECK_BAILOUT();

   297   // Emit the MethodHandle deopt handler code (if required).

   298   if (has_method_handle_invokes()) {

   299     // We can use the same code as for the normal deopt handler, we

   300     // just need a different entry point address.

   301     code_offsets->set_value(CodeOffsets::DeoptMH, assembler->emit_deopt_handler());

   302     CHECK_BAILOUT();

   303   }

   305   // Emit the handler to remove the activation from the stack and

   306   // dispatch to the caller.

   307   offsets()->set_value(CodeOffsets::UnwindHandler, assembler->emit_unwind_handler());

   309   // done

   310   masm()->flush();

   311 }

   314 bool Compilation::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {

   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());

   321   // Call stubs + two deopt handlers (regular and MH) + exception handler

   322   int stub_size = (call_stub_estimate * LIR_Assembler::call_stub_size) +

   323                    LIR_Assembler::exception_handler_size +

   324                    (2 * LIR_Assembler::deopt_handler_size);

   325   if (stub_size >= code->insts_capacity()) return false;

   326   code->initialize_stubs_size(stub_size);

   327   return true;

   328 }

   331 int Compilation::emit_code_body() {

   332   // emit code

   333   if (!setup_code_buffer(code(), allocator()->num_calls())) {

   334     BAILOUT_("size requested greater than avail code buffer size", 0);

   335   }

   336   code()->initialize_oop_recorder(env()->oop_recorder());

   338   _masm = new C1_MacroAssembler(code());

   339   _masm->set_oop_recorder(env()->oop_recorder());

   341   LIR_Assembler lir_asm(this);

   343   lir_asm.emit_code(hir()->code());

   344   CHECK_BAILOUT_(0);

   346   emit_code_epilog(&lir_asm);

   347   CHECK_BAILOUT_(0);

   349   generate_exception_handler_table();

   351 #ifndef PRODUCT

   352   if (PrintExceptionHandlers && Verbose) {

   353     exception_handler_table()->print();

   354   }

   355 #endif /* PRODUCT */

   357   return frame_map()->framesize();

   358 }

   361 int Compilation::compile_java_method() {

   362   assert(!method()->is_native(), "should not reach here");

   364   if (BailoutOnExceptionHandlers) {

   365     if (method()->has_exception_handlers()) {

   366       bailout("linear scan can't handle exception handlers");

   367     }

   368   }

   370   CHECK_BAILOUT_(no_frame_size);

   372   if (is_profiling() && !method()->ensure_method_data()) {

   373     BAILOUT_("mdo allocation failed", no_frame_size);

   374   }

   376   {

   377     PhaseTraceTime timeit(_t_buildIR);

   378     build_hir();

   379   }

   380   if (BailoutAfterHIR) {

   381     BAILOUT_("Bailing out because of -XX:+BailoutAfterHIR", no_frame_size);

   382   }

   385   {

   386     PhaseTraceTime timeit(_t_emit_lir);

   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);

   393   {

   394     PhaseTraceTime timeit(_t_codeemit);

   395     return emit_code_body();

   396   }

   397 }

   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(),

   415     has_unsafe_access(),

   416     SharedRuntime::is_wide_vector(max_vector_size())

   417   );

   418 }

   421 void Compilation::compile_method() {

   422   // setup compilation

   423   initialize();

   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   }

   432   if (_env->jvmti_can_hotswap_or_post_breakpoint()) {

   433     // We can assert evol_method because method->can_be_compiled is true.

   434     dependency_recorder()->assert_evol_method(method());

   435   }

   437   if (method()->break_at_execute()) {

   438     BREAKPOINT;

   439   }

   441 #ifndef PRODUCT

   442   if (PrintCFGToFile) {

   443     CFGPrinter::print_compilation(this);

   444   }

   445 #endif

   447   // compile method

   448   int frame_size = compile_java_method();

   450   // bailout if method couldn't be compiled

   451   // Note: make sure we mark the method as not compilable!

   452   CHECK_BAILOUT();

   454   if (InstallMethods) {

   455     // install code

   456     PhaseTraceTime timeit(_t_codeinstall);

   457     install_code(frame_size);

   458   }

   460   if (log() != NULL) // Print code cache state into compiler log

   461     log()->code_cache_state();

   463   totalInstructionNodes += Instruction::number_of_instructions();

   464 }

   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();

   472   if (info_list->length() == 0) {

   473     return;

   474   }

   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);

   482   for (int i = 0; i < info_list->length(); i++) {

   483     ExceptionInfo* info = info_list->at(i);

   484     XHandlers* handlers = info->exception_handlers();

   486     // empty the arrays

   487     bcis->trunc_to(0);

   488     scope_depths->trunc_to(0);

   489     pcos->trunc_to(0);

   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");

   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       }

   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());

   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 }

   525 Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method,

   526                          int osr_bci, BufferBlob* buffer_blob)

   527 : _compiler(compiler)

   528 , _env(env)

   529 , _log(env->log())

   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

   538 , _would_profile(false)

   539 , _has_unsafe_access(false)

   540 , _has_method_handle_invokes(false)

   541 , _bailout_msg(NULL)

   542 , _exception_info_list(NULL)

   543 , _allocator(NULL)

   544 , _next_id(0)

   545 , _next_block_id(0)

   546 , _code(buffer_blob)

   547 , _has_access_indexed(false)

   548 , _current_instruction(NULL)

   549 , _interpreter_frame_size(0)

   550 #ifndef PRODUCT

   551 , _last_instruction_printed(NULL)

   552 #endif // PRODUCT

   553 {

   554   PhaseTraceTime timeit(_t_compile);

   555   _arena = Thread::current()->resource_area();

   556   _env->set_compiler_data(this);

   557   _exception_info_list = new ExceptionInfoList();

   558   _implicit_exception_table.set_size(0);

   559   compile_method();

   560   if (bailed_out()) {

   561     _env->record_method_not_compilable(bailout_msg(), !TieredCompilation);

   562     if (is_profiling()) {

   563       // Compilation failed, create MDO, which would signal the interpreter

   564       // to start profiling on its own.

   565       _method->ensure_method_data();

   566     }

   567   } else if (is_profiling()) {

   568     ciMethodData *md = method->method_data_or_null();

   569     if (md != NULL) {

   570       md->set_would_profile(_would_profile);

   571     }

   572   }

   573 }

   575 Compilation::~Compilation() {

   576   _env->set_compiler_data(NULL);

   577 }

   580 void Compilation::add_exception_handlers_for_pco(int pco, XHandlers* exception_handlers) {

   581 #ifndef PRODUCT

   582   if (PrintExceptionHandlers && Verbose) {

   583     tty->print_cr("  added exception scope for pco %d", pco);

   584   }

   585 #endif

   586   // Note: we do not have program counters for these exception handlers yet

   587   exception_info_list()->push(new ExceptionInfo(pco, exception_handlers));

   588 }

   591 void Compilation::notice_inlined_method(ciMethod* method) {

   592   _env->notice_inlined_method(method);

   593 }

   596 void Compilation::bailout(const char* msg) {

   597   assert(msg != NULL, "bailout message must exist");

   598   if (!bailed_out()) {

   599     // keep first bailout message

   600     if (PrintCompilation || PrintBailouts) tty->print_cr("compilation bailout: %s", msg);

   601     _bailout_msg = msg;

   602   }

   603 }

   605 ciKlass* Compilation::cha_exact_type(ciType* type) {

   606   if (type != NULL && type->is_loaded() && type->is_instance_klass()) {

   607     ciInstanceKlass* ik = type->as_instance_klass();

   608     assert(ik->exact_klass() == NULL, "no cha for final klass");

   609     if (DeoptC1 && UseCHA && !(ik->has_subklass() || ik->is_interface())) {

   610       dependency_recorder()->assert_leaf_type(ik);

   611       return ik;

   612     }

   613   }

   614   return NULL;

   615 }

   617 void Compilation::print_timers() {

   618   // 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);

   619   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();

   622   tty->print_cr("    Detailed C1 Timings");

   623   tty->print_cr("       Setup time:        %6.3f s (%4.1f%%)",    timers[_t_setup].seconds(),           (timers[_t_setup].seconds() / total) * 100.0);

   624   tty->print_cr("       Build IR:          %6.3f s (%4.1f%%)",    timers[_t_buildIR].seconds(),         (timers[_t_buildIR].seconds() / total) * 100.0);

   625   float t_optimizeIR = timers[_t_optimize_blocks].seconds() + timers[_t_optimize_null_checks].seconds();

   626   tty->print_cr("         Optimize:           %6.3f s (%4.1f%%)", t_optimizeIR,                         (t_optimizeIR / total) * 100.0);

   627   tty->print_cr("         RCE:                %6.3f s (%4.1f%%)", timers[_t_rangeCheckElimination].seconds(),      (timers[_t_rangeCheckElimination].seconds() / total) * 100.0);

   628   tty->print_cr("       Emit LIR:          %6.3f s (%4.1f%%)",    timers[_t_emit_lir].seconds(),        (timers[_t_emit_lir].seconds() / total) * 100.0);

   629   tty->print_cr("         LIR Gen:          %6.3f s (%4.1f%%)",   timers[_t_lirGeneration].seconds(), (timers[_t_lirGeneration].seconds() / total) * 100.0);

   630   tty->print_cr("         Linear Scan:      %6.3f s (%4.1f%%)",   timers[_t_linearScan].seconds(),    (timers[_t_linearScan].seconds() / total) * 100.0);

   631   NOT_PRODUCT(LinearScan::print_timers(timers[_t_linearScan].seconds()));

   632   tty->print_cr("       LIR Schedule:      %6.3f s (%4.1f%%)",    timers[_t_lir_schedule].seconds(),  (timers[_t_lir_schedule].seconds() / total) * 100.0);

   633   tty->print_cr("       Code Emission:     %6.3f s (%4.1f%%)",    timers[_t_codeemit].seconds(),        (timers[_t_codeemit].seconds() / total) * 100.0);

   634   tty->print_cr("       Code Installation: %6.3f s (%4.1f%%)",    timers[_t_codeinstall].seconds(),     (timers[_t_codeinstall].seconds() / total) * 100.0);

   635   tty->print_cr("       Instruction Nodes: %6d nodes",    totalInstructionNodes);

   637   NOT_PRODUCT(LinearScan::print_statistics());

   638 }

   641 #ifndef PRODUCT

   642 void Compilation::compile_only_this_method() {

   643   ResourceMark rm;

   644   fileStream stream(fopen("c1_compile_only", "wt"));

   645   stream.print_cr("# c1 compile only directives");

   646   compile_only_this_scope(&stream, hir()->top_scope());

   647 }

   650 void Compilation::compile_only_this_scope(outputStream* st, IRScope* scope) {

   651   st->print("CompileOnly=");

   652   scope->method()->holder()->name()->print_symbol_on(st);

   653   st->print(".");

   654   scope->method()->name()->print_symbol_on(st);

   655   st->cr();

   656 }

   659 void Compilation::exclude_this_method() {

   660   fileStream stream(fopen(".hotspot_compiler", "at"));

   661   stream.print("exclude ");

   662   method()->holder()->name()->print_symbol_on(&stream);

   663   stream.print(" ");

   664   method()->name()->print_symbol_on(&stream);

   665   stream.cr();

   666   stream.cr();

   667 }

   668 #endif

src/share/vm/c1/c1_Compilation.cpp@ddce0b7cee93

src/share/vm/c1/c1_Compilation.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/c1/c1_Compilation.cpp@ddce0b7cee93

src/share/vm/c1/c1_Compilation.cpp