1 /*

     2  * Copyright (c) 1999, 2017, 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  */

    24 

    25 #include "precompiled.hpp"

    26 #include "opto/c2compiler.hpp"

    27 #include "opto/compile.hpp"

    28 #include "opto/optoreg.hpp"

    29 #include "opto/output.hpp"

    30 #include "opto/runtime.hpp"

    31 

    32 // register information defined by ADLC

    33 extern const char register_save_policy[];

    34 extern const int  register_save_type[];

    35 

    36 const char* C2Compiler::retry_no_subsuming_loads() {

    37   return "retry without subsuming loads";

    38 }

    39 const char* C2Compiler::retry_no_escape_analysis() {

    40   return "retry without escape analysis";

    41 }

    42 const char* C2Compiler::retry_class_loading_during_parsing() {

    43   return "retry class loading during parsing";

    44 }

    45 bool C2Compiler::init_c2_runtime() {

    46 

    47   // Check assumptions used while running ADLC

    48   Compile::adlc_verification();

    49   assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts");

    50 

    51   for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) {

    52       OptoReg::vm2opto[i] = OptoReg::Bad;

    53   }

    54 

    55   for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) {

    56     VMReg r = OptoReg::as_VMReg(i);

    57     if (r->is_valid()) {

    58       OptoReg::vm2opto[r->value()] = i;

    59     }

    60   }

    61 

    62   // Check that runtime and architecture description agree on callee-saved-floats

    63   bool callee_saved_floats = false;

    64   for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(_last_Mach_Reg); i = OptoReg::add(i,1) ) {

    65     // Is there a callee-saved float or double?

    66     if( register_save_policy[i] == 'E' /* callee-saved */ &&

    67        (register_save_type[i] == Op_RegF || register_save_type[i] == Op_RegD) ) {

    68       callee_saved_floats = true;

    69     }

    70   }

    71 

    72   DEBUG_ONLY( Node::init_NodeProperty(); )

    73 

    74   Compile::pd_compiler2_init();

    75 

    76   CompilerThread* thread = CompilerThread::current();

    77 

    78   HandleMark handle_mark(thread);

    79   return OptoRuntime::generate(thread->env());

    80 }

    81 

    82 void C2Compiler::initialize() {

    83   // The first compiler thread that gets here will initialize the

    84   // small amount of global state (and runtime stubs) that C2 needs.

    85 

    86   // There is a race possible once at startup and then we're fine

    87 

    88   // Note that this is being called from a compiler thread not the

    89   // main startup thread.

    90   if (should_perform_init()) {

    91     bool successful = C2Compiler::init_c2_runtime();

    92     int new_state = (successful) ? initialized : failed;

    93     set_state(new_state);

    94   }

    95 }

    96 

    97 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, DirectiveSet* directive) {

    98   assert(is_initialized(), "Compiler thread must be initialized");

    99 

   100   bool subsume_loads = SubsumeLoads;

   101   bool do_escape_analysis = DoEscapeAnalysis && !env->should_retain_local_variables();

   102   bool eliminate_boxing = EliminateAutoBox;

   103 

   104   while (!env->failing()) {

   105     // Attempt to compile while subsuming loads into machine instructions.

   106     Compile C(env, this, target, entry_bci, subsume_loads, do_escape_analysis, eliminate_boxing, directive);

   107 

   108     // Check result and retry if appropriate.

   109     if (C.failure_reason() != NULL) {

   110       if (C.failure_reason_is(retry_class_loading_during_parsing())) {

   111         env->report_failure(C.failure_reason());

   112         continue;  // retry

   113       }

   114       if (C.failure_reason_is(retry_no_subsuming_loads())) {

   115         assert(subsume_loads, "must make progress");

   116         subsume_loads = false;

   117         env->report_failure(C.failure_reason());

   118         continue;  // retry

   119       }

   120       if (C.failure_reason_is(retry_no_escape_analysis())) {

   121         assert(do_escape_analysis, "must make progress");

   122         do_escape_analysis = false;

   123         env->report_failure(C.failure_reason());

   124         continue;  // retry

   125       }

   126       if (C.has_boxed_value()) {

   127         // Recompile without boxing elimination regardless failure reason.

   128         assert(eliminate_boxing, "must make progress");

   129         eliminate_boxing = false;

   130         env->report_failure(C.failure_reason());

   131         continue;  // retry

   132       }

   133       // Pass any other failure reason up to the ciEnv.

   134       // Note that serious, irreversible failures are already logged

   135       // on the ciEnv via env->record_method_not_compilable().

   136       env->record_failure(C.failure_reason());

   137     }

   138     if (StressRecompilation) {

   139       if (subsume_loads) {

   140         subsume_loads = false;

   141         continue;  // retry

   142       }

   143       if (do_escape_analysis) {

   144         do_escape_analysis = false;

   145         continue;  // retry

   146       }

   147     }

   148 

   149     // print inlining for last compilation only

   150     C.dump_print_inlining();

   151 

   152     // No retry; just break the loop.

   153     break;

   154   }

   155 }

   156 

   157 void C2Compiler::print_timers() {

   158   Compile::print_timers();

   159 }

   160 

   161 bool C2Compiler::is_intrinsic_supported(const methodHandle& method, bool is_virtual) {

   162   vmIntrinsics::ID id = method->intrinsic_id();

   163   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");

   164 

   165   if (id < vmIntrinsics::FIRST_ID || id > vmIntrinsics::LAST_COMPILER_INLINE) {

   166     return false;

   167   }

   168 

   169   // Only Object.hashCode and Object.clone intrinsics implement also a virtual

   170   // dispatch because calling both methods is expensive but both methods are

   171   // frequently overridden. All other intrinsics implement only a non-virtual

   172   // dispatch.

   173   if (is_virtual) {

   174     switch (id) {

   175     case vmIntrinsics::_hashCode:

   176     case vmIntrinsics::_clone:

   177       break;

   178     default:

   179       return false;

   180     }

   181   }

   182 

   183   switch (id) {

   184   case vmIntrinsics::_compressStringC:

   185   case vmIntrinsics::_compressStringB:

   186     if (!Matcher::has_match_rule(Op_StrCompressedCopy)) return false;

   187     break;

   188   case vmIntrinsics::_inflateStringC:

   189   case vmIntrinsics::_inflateStringB:

   190     if (!Matcher::has_match_rule(Op_StrInflatedCopy)) return false;

   191     break;

   192   case vmIntrinsics::_compareToL:

   193   case vmIntrinsics::_compareToU:

   194   case vmIntrinsics::_compareToLU:

   195   case vmIntrinsics::_compareToUL:

   196     if (!Matcher::match_rule_supported(Op_StrComp)) return false;

   197     break;

   198   case vmIntrinsics::_equalsL:

   199   case vmIntrinsics::_equalsU:

   200     if (!Matcher::match_rule_supported(Op_StrEquals)) return false;

   201     break;

   202   case vmIntrinsics::_equalsB:

   203   case vmIntrinsics::_equalsC:

   204     if (!Matcher::match_rule_supported(Op_AryEq)) return false;

   205     break;

   206   case vmIntrinsics::_copyMemory:

   207     if (StubRoutines::unsafe_arraycopy() == NULL) return false;

   208     break;

   209   case vmIntrinsics::_encodeISOArray:

   210   case vmIntrinsics::_encodeByteISOArray:

   211     if (!Matcher::match_rule_supported(Op_EncodeISOArray)) return false;

   212     break;

   213   case vmIntrinsics::_hasNegatives:

   214     if (!Matcher::match_rule_supported(Op_HasNegatives))  return false;

   215     break;

   216   case vmIntrinsics::_bitCount_i:

   217     if (!Matcher::match_rule_supported(Op_PopCountI)) return false;

   218     break;

   219   case vmIntrinsics::_bitCount_l:

   220     if (!Matcher::match_rule_supported(Op_PopCountL)) return false;

   221     break;

   222   case vmIntrinsics::_numberOfLeadingZeros_i:

   223     if (!Matcher::match_rule_supported(Op_CountLeadingZerosI)) return false;

   224     break;

   225   case vmIntrinsics::_numberOfLeadingZeros_l:

   226     if (!Matcher::match_rule_supported(Op_CountLeadingZerosL)) return false;

   227     break;

   228   case vmIntrinsics::_numberOfTrailingZeros_i:

   229     if (!Matcher::match_rule_supported(Op_CountTrailingZerosI)) return false;

   230     break;

   231   case vmIntrinsics::_numberOfTrailingZeros_l:

   232     if (!Matcher::match_rule_supported(Op_CountTrailingZerosL)) return false;

   233     break;

   234   case vmIntrinsics::_reverseBytes_c:

   235     if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return false;

   236     break;

   237   case vmIntrinsics::_reverseBytes_s:

   238     if (!Matcher::match_rule_supported(Op_ReverseBytesS)) return false;

   239     break;

   240   case vmIntrinsics::_reverseBytes_i:

   241     if (!Matcher::match_rule_supported(Op_ReverseBytesI)) return false;

   242     break;

   243   case vmIntrinsics::_reverseBytes_l:

   244     if (!Matcher::match_rule_supported(Op_ReverseBytesL)) return false;

   245     break;

   246 

   247   /* CompareAndSet, Object: */

   248   case vmIntrinsics::_compareAndSetObject:

   249 #ifdef _LP64

   250     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapN)) return false;

   251     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;

   252 #else

   253     if (!Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;

   254 #endif

   255     break;

   256   case vmIntrinsics::_weakCompareAndSetObjectPlain:

   257   case vmIntrinsics::_weakCompareAndSetObjectAcquire:

   258   case vmIntrinsics::_weakCompareAndSetObjectRelease:

   259   case vmIntrinsics::_weakCompareAndSetObject:

   260 #ifdef _LP64

   261     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapN)) return false;

   262     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;

   263 #else

   264     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;

   265 #endif

   266     break;

   267   /* CompareAndSet, Long: */

   268   case vmIntrinsics::_compareAndSetLong:

   269     if (!Matcher::match_rule_supported(Op_CompareAndSwapL)) return false;

   270     break;

   271   case vmIntrinsics::_weakCompareAndSetLongPlain:

   272   case vmIntrinsics::_weakCompareAndSetLongAcquire:

   273   case vmIntrinsics::_weakCompareAndSetLongRelease:

   274   case vmIntrinsics::_weakCompareAndSetLong:

   275     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return false;

   276     break;

   277 

   278   /* CompareAndSet, Int: */

   279   case vmIntrinsics::_compareAndSetInt:

   280     if (!Matcher::match_rule_supported(Op_CompareAndSwapI)) return false;

   281     break;

   282   case vmIntrinsics::_weakCompareAndSetIntPlain:

   283   case vmIntrinsics::_weakCompareAndSetIntAcquire:

   284   case vmIntrinsics::_weakCompareAndSetIntRelease:

   285   case vmIntrinsics::_weakCompareAndSetInt:

   286     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapI)) return false;

   287     break;

   288 

   289   /* CompareAndSet, Byte: */

   290   case vmIntrinsics::_compareAndSetByte:

   291     if (!Matcher::match_rule_supported(Op_CompareAndSwapB)) return false;

   292     break;

   293   case vmIntrinsics::_weakCompareAndSetBytePlain:

   294   case vmIntrinsics::_weakCompareAndSetByteAcquire:

   295   case vmIntrinsics::_weakCompareAndSetByteRelease:

   296   case vmIntrinsics::_weakCompareAndSetByte:

   297     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapB)) return false;

   298     break;

   299 

   300   /* CompareAndSet, Short: */

   301   case vmIntrinsics::_compareAndSetShort:

   302     if (!Matcher::match_rule_supported(Op_CompareAndSwapS)) return false;

   303     break;

   304   case vmIntrinsics::_weakCompareAndSetShortPlain:

   305   case vmIntrinsics::_weakCompareAndSetShortAcquire:

   306   case vmIntrinsics::_weakCompareAndSetShortRelease:

   307   case vmIntrinsics::_weakCompareAndSetShort:

   308     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapS)) return false;

   309     break;

   310 

   311   /* CompareAndExchange, Object: */

   312   case vmIntrinsics::_compareAndExchangeObject:

   313   case vmIntrinsics::_compareAndExchangeObjectAcquire:

   314   case vmIntrinsics::_compareAndExchangeObjectRelease:

   315 #ifdef _LP64

   316     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeN)) return false;

   317     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;

   318 #else

   319     if (!Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;

   320 #endif

   321     break;

   322 

   323   /* CompareAndExchange, Long: */

   324   case vmIntrinsics::_compareAndExchangeLong:

   325   case vmIntrinsics::_compareAndExchangeLongAcquire:

   326   case vmIntrinsics::_compareAndExchangeLongRelease:

   327     if (!Matcher::match_rule_supported(Op_CompareAndExchangeL)) return false;

   328     break;

   329 

   330   /* CompareAndExchange, Int: */

   331   case vmIntrinsics::_compareAndExchangeInt:

   332   case vmIntrinsics::_compareAndExchangeIntAcquire:

   333   case vmIntrinsics::_compareAndExchangeIntRelease:

   334     if (!Matcher::match_rule_supported(Op_CompareAndExchangeI)) return false;

   335     break;

   336 

   337   /* CompareAndExchange, Byte: */

   338   case vmIntrinsics::_compareAndExchangeByte:

   339   case vmIntrinsics::_compareAndExchangeByteAcquire:

   340   case vmIntrinsics::_compareAndExchangeByteRelease:

   341     if (!Matcher::match_rule_supported(Op_CompareAndExchangeB)) return false;

   342     break;

   343 

   344   /* CompareAndExchange, Short: */

   345   case vmIntrinsics::_compareAndExchangeShort:

   346   case vmIntrinsics::_compareAndExchangeShortAcquire:

   347   case vmIntrinsics::_compareAndExchangeShortRelease:

   348     if (!Matcher::match_rule_supported(Op_CompareAndExchangeS)) return false;

   349     break;

   350 

   351   case vmIntrinsics::_getAndAddByte:

   352     if (!Matcher::match_rule_supported(Op_GetAndAddB)) return false;

   353     break;

   354   case vmIntrinsics::_getAndAddShort:

   355     if (!Matcher::match_rule_supported(Op_GetAndAddS)) return false;

   356     break;

   357   case vmIntrinsics::_getAndAddInt:

   358     if (!Matcher::match_rule_supported(Op_GetAndAddI)) return false;

   359     break;

   360   case vmIntrinsics::_getAndAddLong:

   361     if (!Matcher::match_rule_supported(Op_GetAndAddL)) return false;

   362     break;

   363 

   364   case vmIntrinsics::_getAndSetByte:

   365     if (!Matcher::match_rule_supported(Op_GetAndSetB)) return false;

   366     break;

   367   case vmIntrinsics::_getAndSetShort:

   368     if (!Matcher::match_rule_supported(Op_GetAndSetS)) return false;

   369     break;

   370   case vmIntrinsics::_getAndSetInt:

   371     if (!Matcher::match_rule_supported(Op_GetAndSetI)) return false;

   372     break;

   373   case vmIntrinsics::_getAndSetLong:

   374     if (!Matcher::match_rule_supported(Op_GetAndSetL)) return false;

   375     break;

   376   case vmIntrinsics::_getAndSetObject:

   377 #ifdef _LP64

   378     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetP)) return false;

   379     if (UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetN)) return false;

   380     break;

   381 #else

   382     if (!Matcher::match_rule_supported(Op_GetAndSetP)) return false;

   383     break;

   384 #endif

   385   case vmIntrinsics::_incrementExactI:

   386   case vmIntrinsics::_addExactI:

   387     if (!Matcher::match_rule_supported(Op_OverflowAddI)) return false;

   388     break;

   389   case vmIntrinsics::_incrementExactL:

   390   case vmIntrinsics::_addExactL:

   391     if (!Matcher::match_rule_supported(Op_OverflowAddL)) return false;

   392     break;

   393   case vmIntrinsics::_decrementExactI:

   394   case vmIntrinsics::_subtractExactI:

   395     if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;

   396     break;

   397   case vmIntrinsics::_decrementExactL:

   398   case vmIntrinsics::_subtractExactL:

   399     if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;

   400     break;

   401   case vmIntrinsics::_negateExactI:

   402     if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;

   403     break;

   404   case vmIntrinsics::_negateExactL:

   405     if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;

   406     break;

   407   case vmIntrinsics::_multiplyExactI:

   408     if (!Matcher::match_rule_supported(Op_OverflowMulI)) return false;

   409     break;

   410   case vmIntrinsics::_multiplyExactL:

   411     if (!Matcher::match_rule_supported(Op_OverflowMulL)) return false;

   412     break;

   413   case vmIntrinsics::_getCallerClass:

   414     if (SystemDictionary::reflect_CallerSensitive_klass() == NULL) return false;

   415     break;

   416   case vmIntrinsics::_onSpinWait:

   417     if (!Matcher::match_rule_supported(Op_OnSpinWait)) return false;

   418     break;

   419   case vmIntrinsics::_fmaD:

   420     if (!UseFMA || !Matcher::match_rule_supported(Op_FmaD)) return false;

   421     break;

   422   case vmIntrinsics::_fmaF:

   423     if (!UseFMA || !Matcher::match_rule_supported(Op_FmaF)) return false;

   424     break;

   425   case vmIntrinsics::_hashCode:

   426   case vmIntrinsics::_identityHashCode:

   427   case vmIntrinsics::_getClass:

   428   case vmIntrinsics::_dsin:

   429   case vmIntrinsics::_dcos:

   430   case vmIntrinsics::_dtan:

   431   case vmIntrinsics::_dabs:

   432   case vmIntrinsics::_datan2:

   433   case vmIntrinsics::_dsqrt:

   434   case vmIntrinsics::_dexp:

   435   case vmIntrinsics::_dlog:

   436   case vmIntrinsics::_dlog10:

   437   case vmIntrinsics::_dpow:

   438   case vmIntrinsics::_min:

   439   case vmIntrinsics::_max:

   440   case vmIntrinsics::_arraycopy:

   441   case vmIntrinsics::_indexOfL:

   442   case vmIntrinsics::_indexOfU:

   443   case vmIntrinsics::_indexOfUL:

   444   case vmIntrinsics::_indexOfIL:

   445   case vmIntrinsics::_indexOfIU:

   446   case vmIntrinsics::_indexOfIUL:

   447   case vmIntrinsics::_indexOfU_char:

   448   case vmIntrinsics::_toBytesStringU:

   449   case vmIntrinsics::_getCharsStringU:

   450   case vmIntrinsics::_getCharStringU:

   451   case vmIntrinsics::_putCharStringU:

   452   case vmIntrinsics::_getObject:

   453   case vmIntrinsics::_getBoolean:

   454   case vmIntrinsics::_getByte:

   455   case vmIntrinsics::_getShort:

   456   case vmIntrinsics::_getChar:

   457   case vmIntrinsics::_getInt:

   458   case vmIntrinsics::_getLong:

   459   case vmIntrinsics::_getFloat:

   460   case vmIntrinsics::_getDouble:

   461   case vmIntrinsics::_putObject:

   462   case vmIntrinsics::_putBoolean:

   463   case vmIntrinsics::_putByte:

   464   case vmIntrinsics::_putShort:

   465   case vmIntrinsics::_putChar:

   466   case vmIntrinsics::_putInt:

   467   case vmIntrinsics::_putLong:

   468   case vmIntrinsics::_putFloat:

   469   case vmIntrinsics::_putDouble:

   470   case vmIntrinsics::_getObjectVolatile:

   471   case vmIntrinsics::_getBooleanVolatile:

   472   case vmIntrinsics::_getByteVolatile:

   473   case vmIntrinsics::_getShortVolatile:

   474   case vmIntrinsics::_getCharVolatile:

   475   case vmIntrinsics::_getIntVolatile:

   476   case vmIntrinsics::_getLongVolatile:

   477   case vmIntrinsics::_getFloatVolatile:

   478   case vmIntrinsics::_getDoubleVolatile:

   479   case vmIntrinsics::_putObjectVolatile:

   480   case vmIntrinsics::_putBooleanVolatile:

   481   case vmIntrinsics::_putByteVolatile:

   482   case vmIntrinsics::_putShortVolatile:

   483   case vmIntrinsics::_putCharVolatile:

   484   case vmIntrinsics::_putIntVolatile:

   485   case vmIntrinsics::_putLongVolatile:

   486   case vmIntrinsics::_putFloatVolatile:

   487   case vmIntrinsics::_putDoubleVolatile:

   488   case vmIntrinsics::_getObjectAcquire:

   489   case vmIntrinsics::_getBooleanAcquire:

   490   case vmIntrinsics::_getByteAcquire:

   491   case vmIntrinsics::_getShortAcquire:

   492   case vmIntrinsics::_getCharAcquire:

   493   case vmIntrinsics::_getIntAcquire:

   494   case vmIntrinsics::_getLongAcquire:

   495   case vmIntrinsics::_getFloatAcquire:

   496   case vmIntrinsics::_getDoubleAcquire:

   497   case vmIntrinsics::_putObjectRelease:

   498   case vmIntrinsics::_putBooleanRelease:

   499   case vmIntrinsics::_putByteRelease:

   500   case vmIntrinsics::_putShortRelease:

   501   case vmIntrinsics::_putCharRelease:

   502   case vmIntrinsics::_putIntRelease:

   503   case vmIntrinsics::_putLongRelease:

   504   case vmIntrinsics::_putFloatRelease:

   505   case vmIntrinsics::_putDoubleRelease:

   506   case vmIntrinsics::_getObjectOpaque:

   507   case vmIntrinsics::_getBooleanOpaque:

   508   case vmIntrinsics::_getByteOpaque:

   509   case vmIntrinsics::_getShortOpaque:

   510   case vmIntrinsics::_getCharOpaque:

   511   case vmIntrinsics::_getIntOpaque:

   512   case vmIntrinsics::_getLongOpaque:

   513   case vmIntrinsics::_getFloatOpaque:

   514   case vmIntrinsics::_getDoubleOpaque:

   515   case vmIntrinsics::_putObjectOpaque:

   516   case vmIntrinsics::_putBooleanOpaque:

   517   case vmIntrinsics::_putByteOpaque:

   518   case vmIntrinsics::_putShortOpaque:

   519   case vmIntrinsics::_putCharOpaque:

   520   case vmIntrinsics::_putIntOpaque:

   521   case vmIntrinsics::_putLongOpaque:

   522   case vmIntrinsics::_putFloatOpaque:

   523   case vmIntrinsics::_putDoubleOpaque:

   524   case vmIntrinsics::_getShortUnaligned:

   525   case vmIntrinsics::_getCharUnaligned:

   526   case vmIntrinsics::_getIntUnaligned:

   527   case vmIntrinsics::_getLongUnaligned:

   528   case vmIntrinsics::_putShortUnaligned:

   529   case vmIntrinsics::_putCharUnaligned:

   530   case vmIntrinsics::_putIntUnaligned:

   531   case vmIntrinsics::_putLongUnaligned:

   532   case vmIntrinsics::_loadFence:

   533   case vmIntrinsics::_storeFence:

   534   case vmIntrinsics::_fullFence:

   535   case vmIntrinsics::_currentThread:

   536   case vmIntrinsics::_isInterrupted:

   537 #ifdef TRACE_HAVE_INTRINSICS

   538   case vmIntrinsics::_counterTime:

   539   case vmIntrinsics::_getClassId:

   540   case vmIntrinsics::_getBufferWriter:

   541 #endif

   542   case vmIntrinsics::_currentTimeMillis:

   543   case vmIntrinsics::_nanoTime:

   544   case vmIntrinsics::_allocateInstance:

   545   case vmIntrinsics::_allocateUninitializedArray:

   546   case vmIntrinsics::_newArray:

   547   case vmIntrinsics::_getLength:

   548   case vmIntrinsics::_copyOf:

   549   case vmIntrinsics::_copyOfRange:

   550   case vmIntrinsics::_clone:

   551   case vmIntrinsics::_isAssignableFrom:

   552   case vmIntrinsics::_isInstance:

   553   case vmIntrinsics::_getModifiers:

   554   case vmIntrinsics::_isInterface:

   555   case vmIntrinsics::_isArray:

   556   case vmIntrinsics::_isPrimitive:

   557   case vmIntrinsics::_getSuperclass:

   558   case vmIntrinsics::_getClassAccessFlags:

   559   case vmIntrinsics::_floatToRawIntBits:

   560   case vmIntrinsics::_floatToIntBits:

   561   case vmIntrinsics::_intBitsToFloat:

   562   case vmIntrinsics::_doubleToRawLongBits:

   563   case vmIntrinsics::_doubleToLongBits:

   564   case vmIntrinsics::_longBitsToDouble:

   565   case vmIntrinsics::_Reference_get:

   566   case vmIntrinsics::_Class_cast:

   567   case vmIntrinsics::_aescrypt_encryptBlock:

   568   case vmIntrinsics::_aescrypt_decryptBlock:

   569   case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:

   570   case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:

   571   case vmIntrinsics::_counterMode_AESCrypt:

   572   case vmIntrinsics::_sha_implCompress:

   573   case vmIntrinsics::_sha2_implCompress:

   574   case vmIntrinsics::_sha5_implCompress:

   575   case vmIntrinsics::_digestBase_implCompressMB:

   576   case vmIntrinsics::_multiplyToLen:

   577   case vmIntrinsics::_squareToLen:

   578   case vmIntrinsics::_mulAdd:

   579   case vmIntrinsics::_montgomeryMultiply:

   580   case vmIntrinsics::_montgomerySquare:

   581   case vmIntrinsics::_vectorizedMismatch:

   582   case vmIntrinsics::_ghash_processBlocks:

   583   case vmIntrinsics::_updateCRC32:

   584   case vmIntrinsics::_updateBytesCRC32:

   585   case vmIntrinsics::_updateByteBufferCRC32:

   586   case vmIntrinsics::_updateBytesCRC32C:

   587   case vmIntrinsics::_updateDirectByteBufferCRC32C:

   588   case vmIntrinsics::_updateBytesAdler32:

   589   case vmIntrinsics::_updateByteBufferAdler32:

   590   case vmIntrinsics::_profileBoolean:

   591   case vmIntrinsics::_isCompileConstant:

   592   case vmIntrinsics::_Preconditions_checkIndex:

   593     break;

   594   default:

   595     return false;

   596   }

   597   return true;

   598 }

   599 

   600 int C2Compiler::initial_code_buffer_size() {

   601   assert(SegmentedCodeCache, "Should be only used with a segmented code cache");

   602   return Compile::MAX_inst_size + Compile::MAX_locs_size + initial_const_capacity;

   603 }