1 /*
  2  * Copyright (c) 1999, 2023, 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 "classfile/vmClasses.hpp"
 27 #include "compiler/compilerDefinitions.inline.hpp"
 28 #include "runtime/handles.inline.hpp"
 29 #include "jfr/support/jfrIntrinsics.hpp"
 30 #include "opto/c2compiler.hpp"
 31 #include "opto/compile.hpp"
 32 #include "opto/optoreg.hpp"
 33 #include "opto/output.hpp"
 34 #include "opto/runtime.hpp"
 35 #include "runtime/stubRoutines.hpp"
 36 #include "utilities/macros.hpp"
 37 
 38 
 39 // register information defined by ADLC
 40 extern const char register_save_policy[];
 41 extern const int  register_save_type[];
 42 
 43 const char* C2Compiler::retry_no_subsuming_loads() {
 44   return "retry without subsuming loads";
 45 }
 46 const char* C2Compiler::retry_no_escape_analysis() {
 47   return "retry without escape analysis";
 48 }
 49 const char* C2Compiler::retry_no_locks_coarsening() {
 50   return "retry without locks coarsening";
 51 }
 52 const char* C2Compiler::retry_no_iterative_escape_analysis() {
 53   return "retry without iterative escape analysis";
 54 }
 55 const char* C2Compiler::retry_class_loading_during_parsing() {
 56   return "retry class loading during parsing";
 57 }
 58 
 59 void compiler_stubs_init(bool in_compiler_thread);
 60 
 61 bool C2Compiler::init_c2_runtime() {
 62 
 63   // Check assumptions used while running ADLC
 64   Compile::adlc_verification();
 65   assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts");
 66 
 67   for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) {
 68       OptoReg::vm2opto[i] = OptoReg::Bad;
 69   }
 70 
 71   for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) {
 72     VMReg r = OptoReg::as_VMReg(i);
 73     if (r->is_valid()) {
 74       OptoReg::vm2opto[r->value()] = i;
 75     }
 76   }
 77 
 78   DEBUG_ONLY( Node::init_NodeProperty(); )
 79 
 80   compiler_stubs_init(true /* in_compiler_thread */); // generate compiler's intrinsics stubs
 81 
 82   Compile::pd_compiler2_init();
 83 
 84   CompilerThread* thread = CompilerThread::current();
 85 
 86   HandleMark handle_mark(thread);
 87   return OptoRuntime::generate(thread->env());
 88 }
 89 
 90 void C2Compiler::initialize() {
 91   assert(!CompilerConfig::is_c1_or_interpreter_only_no_jvmci(), "C2 compiler is launched, it's not c1/interpreter only mode");
 92   // The first compiler thread that gets here will initialize the
 93   // small amount of global state (and runtime stubs) that C2 needs.
 94 
 95   // There is a race possible once at startup and then we're fine
 96 
 97   // Note that this is being called from a compiler thread not the
 98   // main startup thread.
 99   if (should_perform_init()) {
100     bool successful = C2Compiler::init_c2_runtime();
101     int new_state = (successful) ? initialized : failed;
102     set_state(new_state);
103   }
104 }
105 
106 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, bool install_code, DirectiveSet* directive) {
107   assert(is_initialized(), "Compiler thread must be initialized");
108 
109   bool subsume_loads = SubsumeLoads;
110   bool do_escape_analysis = DoEscapeAnalysis;
111   bool do_iterative_escape_analysis = DoEscapeAnalysis;
112   bool eliminate_boxing = EliminateAutoBox;
113   bool do_locks_coarsening = EliminateLocks;
114 
115   while (!env->failing()) {
116     // Attempt to compile while subsuming loads into machine instructions.
117     Options options(subsume_loads, do_escape_analysis, do_iterative_escape_analysis, eliminate_boxing, do_locks_coarsening, install_code);
118     Compile C(env, target, entry_bci, options, directive);
119 
120     // Check result and retry if appropriate.
121     if (C.failure_reason() != nullptr) {
122       if (C.failure_reason_is(retry_class_loading_during_parsing())) {
123         env->report_failure(C.failure_reason());
124         continue;  // retry
125       }
126       if (C.failure_reason_is(retry_no_subsuming_loads())) {
127         assert(subsume_loads, "must make progress");
128         subsume_loads = false;
129         env->report_failure(C.failure_reason());
130         continue;  // retry
131       }
132       if (C.failure_reason_is(retry_no_escape_analysis())) {
133         assert(do_escape_analysis, "must make progress");
134         do_escape_analysis = false;
135         env->report_failure(C.failure_reason());
136         continue;  // retry
137       }
138       if (C.failure_reason_is(retry_no_iterative_escape_analysis())) {
139         assert(do_iterative_escape_analysis, "must make progress");
140         do_iterative_escape_analysis = false;
141         env->report_failure(C.failure_reason());
142         continue;  // retry
143       }
144       if (C.failure_reason_is(retry_no_locks_coarsening())) {
145         assert(do_locks_coarsening, "must make progress");
146         do_locks_coarsening = false;
147         env->report_failure(C.failure_reason());
148         continue;  // retry
149       }
150       if (C.has_boxed_value()) {
151         // Recompile without boxing elimination regardless failure reason.
152         assert(eliminate_boxing, "must make progress");
153         eliminate_boxing = false;
154         env->report_failure(C.failure_reason());
155         continue;  // retry
156       }
157       // Pass any other failure reason up to the ciEnv.
158       // Note that serious, irreversible failures are already logged
159       // on the ciEnv via env->record_method_not_compilable().
160       env->record_failure(C.failure_reason());
161     }
162     if (StressRecompilation) {
163       if (subsume_loads) {
164         subsume_loads = false;
165         continue;  // retry
166       }
167       if (do_escape_analysis) {
168         do_escape_analysis = false;
169         continue;  // retry
170       }
171       if (do_locks_coarsening) {
172         do_locks_coarsening = false;
173         continue;  // retry
174       }
175     }
176     // print inlining for last compilation only
177     C.dump_print_inlining();
178 
179     // No retry; just break the loop.
180     break;
181   }
182 }
183 
184 void C2Compiler::print_timers() {
185   Compile::print_timers();
186 }
187 
188 bool C2Compiler::is_intrinsic_supported(const methodHandle& method) {
189   vmIntrinsics::ID id = method->intrinsic_id();
190   assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
191 
192   if (id < vmIntrinsics::FIRST_ID || id > vmIntrinsics::LAST_COMPILER_INLINE) {
193     return false;
194   }
195 
196   switch (id) {
197   case vmIntrinsics::_compressStringC:
198   case vmIntrinsics::_compressStringB:
199     if (!Matcher::match_rule_supported(Op_StrCompressedCopy)) return false;
200     break;
201   case vmIntrinsics::_inflateStringC:
202   case vmIntrinsics::_inflateStringB:
203     if (!Matcher::match_rule_supported(Op_StrInflatedCopy)) return false;
204     break;
205   case vmIntrinsics::_compareToL:
206   case vmIntrinsics::_compareToU:
207   case vmIntrinsics::_compareToLU:
208   case vmIntrinsics::_compareToUL:
209     if (!Matcher::match_rule_supported(Op_StrComp)) return false;
210     break;
211   case vmIntrinsics::_equalsL:
212   case vmIntrinsics::_equalsU:
213     if (!Matcher::match_rule_supported(Op_StrEquals)) return false;
214     break;
215   case vmIntrinsics::_vectorizedHashCode:
216     if (!Matcher::match_rule_supported(Op_VectorizedHashCode)) return false;
217     break;
218   case vmIntrinsics::_equalsB:
219   case vmIntrinsics::_equalsC:
220     if (!Matcher::match_rule_supported(Op_AryEq)) return false;
221     break;
222   case vmIntrinsics::_copyMemory:
223     if (StubRoutines::unsafe_arraycopy() == nullptr) return false;
224     break;
225   case vmIntrinsics::_encodeAsciiArray:
226     if (!Matcher::match_rule_supported(Op_EncodeISOArray) || !Matcher::supports_encode_ascii_array) return false;
227     break;
228   case vmIntrinsics::_encodeISOArray:
229   case vmIntrinsics::_encodeByteISOArray:
230     if (!Matcher::match_rule_supported(Op_EncodeISOArray)) return false;
231     break;
232   case vmIntrinsics::_countPositives:
233     if (!Matcher::match_rule_supported(Op_CountPositives))  return false;
234     break;
235   case vmIntrinsics::_bitCount_i:
236     if (!Matcher::match_rule_supported(Op_PopCountI)) return false;
237     break;
238   case vmIntrinsics::_bitCount_l:
239     if (!Matcher::match_rule_supported(Op_PopCountL)) return false;
240     break;
241   case vmIntrinsics::_compress_i:
242   case vmIntrinsics::_compress_l:
243     if (!Matcher::match_rule_supported(Op_CompressBits)) return false;
244     break;
245   case vmIntrinsics::_expand_i:
246   case vmIntrinsics::_expand_l:
247     if (!Matcher::match_rule_supported(Op_ExpandBits)) return false;
248     break;
249   case vmIntrinsics::_numberOfLeadingZeros_i:
250     if (!Matcher::match_rule_supported(Op_CountLeadingZerosI)) return false;
251     break;
252   case vmIntrinsics::_numberOfLeadingZeros_l:
253     if (!Matcher::match_rule_supported(Op_CountLeadingZerosL)) return false;
254     break;
255   case vmIntrinsics::_numberOfTrailingZeros_i:
256     if (!Matcher::match_rule_supported(Op_CountTrailingZerosI)) return false;
257     break;
258   case vmIntrinsics::_numberOfTrailingZeros_l:
259     if (!Matcher::match_rule_supported(Op_CountTrailingZerosL)) return false;
260     break;
261   case vmIntrinsics::_reverse_i:
262     if (!Matcher::match_rule_supported(Op_ReverseI)) return false;
263     break;
264   case vmIntrinsics::_reverse_l:
265     if (!Matcher::match_rule_supported(Op_ReverseL)) return false;
266     break;
267   case vmIntrinsics::_reverseBytes_c:
268     if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return false;
269     break;
270   case vmIntrinsics::_reverseBytes_s:
271     if (!Matcher::match_rule_supported(Op_ReverseBytesS)) return false;
272     break;
273   case vmIntrinsics::_reverseBytes_i:
274     if (!Matcher::match_rule_supported(Op_ReverseBytesI)) return false;
275     break;
276   case vmIntrinsics::_reverseBytes_l:
277     if (!Matcher::match_rule_supported(Op_ReverseBytesL)) return false;
278     break;
279   case vmIntrinsics::_compareUnsigned_i:
280     if (!Matcher::match_rule_supported(Op_CmpU3)) return false;
281     break;
282   case vmIntrinsics::_compareUnsigned_l:
283     if (!Matcher::match_rule_supported(Op_CmpUL3)) return false;
284     break;
285   case vmIntrinsics::_divideUnsigned_i:
286     if (!Matcher::match_rule_supported(Op_UDivI)) return false;
287     break;
288   case vmIntrinsics::_remainderUnsigned_i:
289     if (!Matcher::match_rule_supported(Op_UModI)) return false;
290     break;
291   case vmIntrinsics::_divideUnsigned_l:
292     if (!Matcher::match_rule_supported(Op_UDivL)) return false;
293     break;
294   case vmIntrinsics::_remainderUnsigned_l:
295     if (!Matcher::match_rule_supported(Op_UModL)) return false;
296     break;
297   case vmIntrinsics::_float16ToFloat:
298     if (!Matcher::match_rule_supported(Op_ConvHF2F)) return false;
299     break;
300   case vmIntrinsics::_floatToFloat16:
301     if (!Matcher::match_rule_supported(Op_ConvF2HF)) return false;
302     break;
303 
304   /* CompareAndSet, Object: */
305   case vmIntrinsics::_compareAndSetReference:
306 #ifdef _LP64
307     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapN)) return false;
308     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;
309 #else
310     if (!Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;
311 #endif
312     break;
313   case vmIntrinsics::_weakCompareAndSetReferencePlain:
314   case vmIntrinsics::_weakCompareAndSetReferenceAcquire:
315   case vmIntrinsics::_weakCompareAndSetReferenceRelease:
316   case vmIntrinsics::_weakCompareAndSetReference:
317 #ifdef _LP64
318     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapN)) return false;
319     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
320 #else
321     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
322 #endif
323     break;
324   /* CompareAndSet, Long: */
325   case vmIntrinsics::_compareAndSetLong:
326     if (!Matcher::match_rule_supported(Op_CompareAndSwapL)) return false;
327     break;
328   case vmIntrinsics::_weakCompareAndSetLongPlain:
329   case vmIntrinsics::_weakCompareAndSetLongAcquire:
330   case vmIntrinsics::_weakCompareAndSetLongRelease:
331   case vmIntrinsics::_weakCompareAndSetLong:
332     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return false;
333     break;
334 
335   /* CompareAndSet, Int: */
336   case vmIntrinsics::_compareAndSetInt:
337     if (!Matcher::match_rule_supported(Op_CompareAndSwapI)) return false;
338     break;
339   case vmIntrinsics::_weakCompareAndSetIntPlain:
340   case vmIntrinsics::_weakCompareAndSetIntAcquire:
341   case vmIntrinsics::_weakCompareAndSetIntRelease:
342   case vmIntrinsics::_weakCompareAndSetInt:
343     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapI)) return false;
344     break;
345 
346   /* CompareAndSet, Byte: */
347   case vmIntrinsics::_compareAndSetByte:
348     if (!Matcher::match_rule_supported(Op_CompareAndSwapB)) return false;
349     break;
350   case vmIntrinsics::_weakCompareAndSetBytePlain:
351   case vmIntrinsics::_weakCompareAndSetByteAcquire:
352   case vmIntrinsics::_weakCompareAndSetByteRelease:
353   case vmIntrinsics::_weakCompareAndSetByte:
354     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapB)) return false;
355     break;
356 
357   /* CompareAndSet, Short: */
358   case vmIntrinsics::_compareAndSetShort:
359     if (!Matcher::match_rule_supported(Op_CompareAndSwapS)) return false;
360     break;
361   case vmIntrinsics::_weakCompareAndSetShortPlain:
362   case vmIntrinsics::_weakCompareAndSetShortAcquire:
363   case vmIntrinsics::_weakCompareAndSetShortRelease:
364   case vmIntrinsics::_weakCompareAndSetShort:
365     if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapS)) return false;
366     break;
367 
368   /* CompareAndExchange, Object: */
369   case vmIntrinsics::_compareAndExchangeReference:
370   case vmIntrinsics::_compareAndExchangeReferenceAcquire:
371   case vmIntrinsics::_compareAndExchangeReferenceRelease:
372 #ifdef _LP64
373     if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeN)) return false;
374     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
375 #else
376     if (!Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
377 #endif
378     break;
379 
380   /* CompareAndExchange, Long: */
381   case vmIntrinsics::_compareAndExchangeLong:
382   case vmIntrinsics::_compareAndExchangeLongAcquire:
383   case vmIntrinsics::_compareAndExchangeLongRelease:
384     if (!Matcher::match_rule_supported(Op_CompareAndExchangeL)) return false;
385     break;
386 
387   /* CompareAndExchange, Int: */
388   case vmIntrinsics::_compareAndExchangeInt:
389   case vmIntrinsics::_compareAndExchangeIntAcquire:
390   case vmIntrinsics::_compareAndExchangeIntRelease:
391     if (!Matcher::match_rule_supported(Op_CompareAndExchangeI)) return false;
392     break;
393 
394   /* CompareAndExchange, Byte: */
395   case vmIntrinsics::_compareAndExchangeByte:
396   case vmIntrinsics::_compareAndExchangeByteAcquire:
397   case vmIntrinsics::_compareAndExchangeByteRelease:
398     if (!Matcher::match_rule_supported(Op_CompareAndExchangeB)) return false;
399     break;
400 
401   /* CompareAndExchange, Short: */
402   case vmIntrinsics::_compareAndExchangeShort:
403   case vmIntrinsics::_compareAndExchangeShortAcquire:
404   case vmIntrinsics::_compareAndExchangeShortRelease:
405     if (!Matcher::match_rule_supported(Op_CompareAndExchangeS)) return false;
406     break;
407 
408   case vmIntrinsics::_getAndAddByte:
409     if (!Matcher::match_rule_supported(Op_GetAndAddB)) return false;
410     break;
411   case vmIntrinsics::_getAndAddShort:
412     if (!Matcher::match_rule_supported(Op_GetAndAddS)) return false;
413     break;
414   case vmIntrinsics::_getAndAddInt:
415     if (!Matcher::match_rule_supported(Op_GetAndAddI)) return false;
416     break;
417   case vmIntrinsics::_getAndAddLong:
418     if (!Matcher::match_rule_supported(Op_GetAndAddL)) return false;
419     break;
420 
421   case vmIntrinsics::_getAndSetByte:
422     if (!Matcher::match_rule_supported(Op_GetAndSetB)) return false;
423     break;
424   case vmIntrinsics::_getAndSetShort:
425     if (!Matcher::match_rule_supported(Op_GetAndSetS)) return false;
426     break;
427   case vmIntrinsics::_getAndSetInt:
428     if (!Matcher::match_rule_supported(Op_GetAndSetI)) return false;
429     break;
430   case vmIntrinsics::_getAndSetLong:
431     if (!Matcher::match_rule_supported(Op_GetAndSetL)) return false;
432     break;
433   case vmIntrinsics::_getAndSetReference:
434 #ifdef _LP64
435     if (!UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetP)) return false;
436     if (UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetN)) return false;
437     break;
438 #else
439     if (!Matcher::match_rule_supported(Op_GetAndSetP)) return false;
440     break;
441 #endif
442   case vmIntrinsics::_incrementExactI:
443   case vmIntrinsics::_addExactI:
444     if (!Matcher::match_rule_supported(Op_OverflowAddI)) return false;
445     break;
446   case vmIntrinsics::_incrementExactL:
447   case vmIntrinsics::_addExactL:
448     if (!Matcher::match_rule_supported(Op_OverflowAddL)) return false;
449     break;
450   case vmIntrinsics::_decrementExactI:
451   case vmIntrinsics::_subtractExactI:
452     if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
453     break;
454   case vmIntrinsics::_decrementExactL:
455   case vmIntrinsics::_subtractExactL:
456     if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
457     break;
458   case vmIntrinsics::_negateExactI:
459     if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
460     break;
461   case vmIntrinsics::_negateExactL:
462     if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
463     break;
464   case vmIntrinsics::_multiplyExactI:
465     if (!Matcher::match_rule_supported(Op_OverflowMulI)) return false;
466     break;
467   case vmIntrinsics::_multiplyExactL:
468     if (!Matcher::match_rule_supported(Op_OverflowMulL)) return false;
469     break;
470   case vmIntrinsics::_multiplyHigh:
471     if (!Matcher::match_rule_supported(Op_MulHiL)) return false;
472     break;
473   case vmIntrinsics::_unsignedMultiplyHigh:
474     if (!Matcher::match_rule_supported(Op_UMulHiL)) return false;
475     break;
476   case vmIntrinsics::_getCallerClass:
477     if (vmClasses::reflect_CallerSensitive_klass() == nullptr) return false;
478     break;
479   case vmIntrinsics::_onSpinWait:
480     if (!Matcher::match_rule_supported(Op_OnSpinWait)) return false;
481     break;
482   case vmIntrinsics::_fmaD:
483     if (!UseFMA || !Matcher::match_rule_supported(Op_FmaD)) return false;
484     break;
485   case vmIntrinsics::_fmaF:
486     if (!UseFMA || !Matcher::match_rule_supported(Op_FmaF)) return false;
487     break;
488   case vmIntrinsics::_isDigit:
489     if (!Matcher::match_rule_supported(Op_Digit)) return false;
490     break;
491   case vmIntrinsics::_isLowerCase:
492     if (!Matcher::match_rule_supported(Op_LowerCase)) return false;
493     break;
494   case vmIntrinsics::_isUpperCase:
495     if (!Matcher::match_rule_supported(Op_UpperCase)) return false;
496     break;
497   case vmIntrinsics::_isWhitespace:
498     if (!Matcher::match_rule_supported(Op_Whitespace)) return false;
499     break;
500   case vmIntrinsics::_maxF:
501   case vmIntrinsics::_maxF_strict:
502     if (!Matcher::match_rule_supported(Op_MaxF)) return false;
503     break;
504   case vmIntrinsics::_minF:
505   case vmIntrinsics::_minF_strict:
506     if (!Matcher::match_rule_supported(Op_MinF)) return false;
507     break;
508   case vmIntrinsics::_maxD:
509   case vmIntrinsics::_maxD_strict:
510     if (!Matcher::match_rule_supported(Op_MaxD)) return false;
511     break;
512   case vmIntrinsics::_minD:
513   case vmIntrinsics::_minD_strict:
514     if (!Matcher::match_rule_supported(Op_MinD)) return false;
515     break;
516   case vmIntrinsics::_writeback0:
517     if (!Matcher::match_rule_supported(Op_CacheWB)) return false;
518     break;
519   case vmIntrinsics::_writebackPreSync0:
520     if (!Matcher::match_rule_supported(Op_CacheWBPreSync)) return false;
521     break;
522   case vmIntrinsics::_writebackPostSync0:
523     if (!Matcher::match_rule_supported(Op_CacheWBPostSync)) return false;
524     break;
525   case vmIntrinsics::_rint:
526   case vmIntrinsics::_ceil:
527   case vmIntrinsics::_floor:
528     if (!Matcher::match_rule_supported(Op_RoundDoubleMode)) return false;
529     break;
530   case vmIntrinsics::_dcopySign:
531     if (!Matcher::match_rule_supported(Op_CopySignD)) return false;
532     break;
533   case vmIntrinsics::_fcopySign:
534     if (!Matcher::match_rule_supported(Op_CopySignF)) return false;
535     break;
536   case vmIntrinsics::_dsignum:
537     if (!Matcher::match_rule_supported(Op_SignumD)) return false;
538     break;
539   case vmIntrinsics::_fsignum:
540     if (!Matcher::match_rule_supported(Op_SignumF)) return false;
541     break;
542   case vmIntrinsics::_floatIsInfinite:
543     if (!Matcher::match_rule_supported(Op_IsInfiniteF)) return false;
544     break;
545   case vmIntrinsics::_floatIsFinite:
546     if (!Matcher::match_rule_supported(Op_IsFiniteF)) return false;
547     break;
548   case vmIntrinsics::_doubleIsInfinite:
549     if (!Matcher::match_rule_supported(Op_IsInfiniteD)) return false;
550     break;
551   case vmIntrinsics::_doubleIsFinite:
552     if (!Matcher::match_rule_supported(Op_IsFiniteD)) return false;
553     break;
554   case vmIntrinsics::_hashCode:
555   case vmIntrinsics::_identityHashCode:
556   case vmIntrinsics::_getClass:
557   case vmIntrinsics::_dsin:
558   case vmIntrinsics::_dcos:
559   case vmIntrinsics::_dtan:
560   case vmIntrinsics::_dabs:
561   case vmIntrinsics::_fabs:
562   case vmIntrinsics::_iabs:
563   case vmIntrinsics::_labs:
564   case vmIntrinsics::_datan2:
565   case vmIntrinsics::_dsqrt:
566   case vmIntrinsics::_dsqrt_strict:
567   case vmIntrinsics::_dexp:
568   case vmIntrinsics::_dlog:
569   case vmIntrinsics::_dlog10:
570   case vmIntrinsics::_dpow:
571   case vmIntrinsics::_roundD:
572   case vmIntrinsics::_roundF:
573   case vmIntrinsics::_min:
574   case vmIntrinsics::_max:
575   case vmIntrinsics::_min_strict:
576   case vmIntrinsics::_max_strict:
577   case vmIntrinsics::_arraycopy:
578   case vmIntrinsics::_indexOfL:
579   case vmIntrinsics::_indexOfU:
580   case vmIntrinsics::_indexOfUL:
581   case vmIntrinsics::_indexOfIL:
582   case vmIntrinsics::_indexOfIU:
583   case vmIntrinsics::_indexOfIUL:
584   case vmIntrinsics::_indexOfU_char:
585   case vmIntrinsics::_indexOfL_char:
586   case vmIntrinsics::_toBytesStringU:
587   case vmIntrinsics::_getCharsStringU:
588   case vmIntrinsics::_getCharStringU:
589   case vmIntrinsics::_putCharStringU:
590   case vmIntrinsics::_makePrivateBuffer:
591   case vmIntrinsics::_finishPrivateBuffer:
592   case vmIntrinsics::_getReference:
593   case vmIntrinsics::_getBoolean:
594   case vmIntrinsics::_getByte:
595   case vmIntrinsics::_getShort:
596   case vmIntrinsics::_getChar:
597   case vmIntrinsics::_getInt:
598   case vmIntrinsics::_getLong:
599   case vmIntrinsics::_getFloat:
600   case vmIntrinsics::_getDouble:
601   case vmIntrinsics::_getValue:
602   case vmIntrinsics::_putReference:
603   case vmIntrinsics::_putBoolean:
604   case vmIntrinsics::_putByte:
605   case vmIntrinsics::_putShort:
606   case vmIntrinsics::_putChar:
607   case vmIntrinsics::_putInt:
608   case vmIntrinsics::_putLong:
609   case vmIntrinsics::_putFloat:
610   case vmIntrinsics::_putDouble:
611   case vmIntrinsics::_putValue:
612   case vmIntrinsics::_getReferenceVolatile:
613   case vmIntrinsics::_getBooleanVolatile:
614   case vmIntrinsics::_getByteVolatile:
615   case vmIntrinsics::_getShortVolatile:
616   case vmIntrinsics::_getCharVolatile:
617   case vmIntrinsics::_getIntVolatile:
618   case vmIntrinsics::_getLongVolatile:
619   case vmIntrinsics::_getFloatVolatile:
620   case vmIntrinsics::_getDoubleVolatile:
621   case vmIntrinsics::_putReferenceVolatile:
622   case vmIntrinsics::_putBooleanVolatile:
623   case vmIntrinsics::_putByteVolatile:
624   case vmIntrinsics::_putShortVolatile:
625   case vmIntrinsics::_putCharVolatile:
626   case vmIntrinsics::_putIntVolatile:
627   case vmIntrinsics::_putLongVolatile:
628   case vmIntrinsics::_putFloatVolatile:
629   case vmIntrinsics::_putDoubleVolatile:
630   case vmIntrinsics::_getReferenceAcquire:
631   case vmIntrinsics::_getBooleanAcquire:
632   case vmIntrinsics::_getByteAcquire:
633   case vmIntrinsics::_getShortAcquire:
634   case vmIntrinsics::_getCharAcquire:
635   case vmIntrinsics::_getIntAcquire:
636   case vmIntrinsics::_getLongAcquire:
637   case vmIntrinsics::_getFloatAcquire:
638   case vmIntrinsics::_getDoubleAcquire:
639   case vmIntrinsics::_putReferenceRelease:
640   case vmIntrinsics::_putBooleanRelease:
641   case vmIntrinsics::_putByteRelease:
642   case vmIntrinsics::_putShortRelease:
643   case vmIntrinsics::_putCharRelease:
644   case vmIntrinsics::_putIntRelease:
645   case vmIntrinsics::_putLongRelease:
646   case vmIntrinsics::_putFloatRelease:
647   case vmIntrinsics::_putDoubleRelease:
648   case vmIntrinsics::_getReferenceOpaque:
649   case vmIntrinsics::_getBooleanOpaque:
650   case vmIntrinsics::_getByteOpaque:
651   case vmIntrinsics::_getShortOpaque:
652   case vmIntrinsics::_getCharOpaque:
653   case vmIntrinsics::_getIntOpaque:
654   case vmIntrinsics::_getLongOpaque:
655   case vmIntrinsics::_getFloatOpaque:
656   case vmIntrinsics::_getDoubleOpaque:
657   case vmIntrinsics::_putReferenceOpaque:
658   case vmIntrinsics::_putBooleanOpaque:
659   case vmIntrinsics::_putByteOpaque:
660   case vmIntrinsics::_putShortOpaque:
661   case vmIntrinsics::_putCharOpaque:
662   case vmIntrinsics::_putIntOpaque:
663   case vmIntrinsics::_putLongOpaque:
664   case vmIntrinsics::_putFloatOpaque:
665   case vmIntrinsics::_putDoubleOpaque:
666   case vmIntrinsics::_getShortUnaligned:
667   case vmIntrinsics::_getCharUnaligned:
668   case vmIntrinsics::_getIntUnaligned:
669   case vmIntrinsics::_getLongUnaligned:
670   case vmIntrinsics::_putShortUnaligned:
671   case vmIntrinsics::_putCharUnaligned:
672   case vmIntrinsics::_putIntUnaligned:
673   case vmIntrinsics::_putLongUnaligned:
674   case vmIntrinsics::_loadFence:
675   case vmIntrinsics::_storeFence:
676   case vmIntrinsics::_storeStoreFence:
677   case vmIntrinsics::_fullFence:
678   case vmIntrinsics::_currentCarrierThread:
679   case vmIntrinsics::_currentThread:
680   case vmIntrinsics::_setCurrentThread:
681   case vmIntrinsics::_scopedValueCache:
682   case vmIntrinsics::_setScopedValueCache:
683 #ifdef JFR_HAVE_INTRINSICS
684   case vmIntrinsics::_counterTime:
685   case vmIntrinsics::_getEventWriter:
686 #endif
687   case vmIntrinsics::_currentTimeMillis:
688   case vmIntrinsics::_nanoTime:
689   case vmIntrinsics::_allocateInstance:
690   case vmIntrinsics::_allocateUninitializedArray:
691   case vmIntrinsics::_newArray:
692   case vmIntrinsics::_getLength:
693   case vmIntrinsics::_copyOf:
694   case vmIntrinsics::_copyOfRange:
695   case vmIntrinsics::_clone:
696   case vmIntrinsics::_asPrimaryType:
697   case vmIntrinsics::_asPrimaryTypeArg:
698   case vmIntrinsics::_asValueType:
699   case vmIntrinsics::_asValueTypeArg:
700   case vmIntrinsics::_isAssignableFrom:
701   case vmIntrinsics::_isInstance:
702   case vmIntrinsics::_getModifiers:
703   case vmIntrinsics::_isInterface:
704   case vmIntrinsics::_isArray:
705   case vmIntrinsics::_isPrimitive:
706   case vmIntrinsics::_isHidden:
707   case vmIntrinsics::_getSuperclass:
708   case vmIntrinsics::_getClassAccessFlags:
709   case vmIntrinsics::_floatToRawIntBits:
710   case vmIntrinsics::_floatToIntBits:
711   case vmIntrinsics::_intBitsToFloat:
712   case vmIntrinsics::_doubleToRawLongBits:
713   case vmIntrinsics::_doubleToLongBits:
714   case vmIntrinsics::_longBitsToDouble:
715   case vmIntrinsics::_Reference_get:
716   case vmIntrinsics::_Reference_refersTo0:
717   case vmIntrinsics::_PhantomReference_refersTo0:
718   case vmIntrinsics::_Class_cast:
719   case vmIntrinsics::_aescrypt_encryptBlock:
720   case vmIntrinsics::_aescrypt_decryptBlock:
721   case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
722   case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
723   case vmIntrinsics::_electronicCodeBook_encryptAESCrypt:
724   case vmIntrinsics::_electronicCodeBook_decryptAESCrypt:
725   case vmIntrinsics::_counterMode_AESCrypt:
726   case vmIntrinsics::_galoisCounterMode_AESCrypt:
727   case vmIntrinsics::_md5_implCompress:
728   case vmIntrinsics::_sha_implCompress:
729   case vmIntrinsics::_sha2_implCompress:
730   case vmIntrinsics::_sha5_implCompress:
731   case vmIntrinsics::_sha3_implCompress:
732   case vmIntrinsics::_digestBase_implCompressMB:
733   case vmIntrinsics::_multiplyToLen:
734   case vmIntrinsics::_squareToLen:
735   case vmIntrinsics::_mulAdd:
736   case vmIntrinsics::_montgomeryMultiply:
737   case vmIntrinsics::_montgomerySquare:
738   case vmIntrinsics::_bigIntegerRightShiftWorker:
739   case vmIntrinsics::_bigIntegerLeftShiftWorker:
740   case vmIntrinsics::_vectorizedMismatch:
741   case vmIntrinsics::_ghash_processBlocks:
742   case vmIntrinsics::_chacha20Block:
743   case vmIntrinsics::_base64_encodeBlock:
744   case vmIntrinsics::_base64_decodeBlock:
745   case vmIntrinsics::_poly1305_processBlocks:
746   case vmIntrinsics::_updateCRC32:
747   case vmIntrinsics::_updateBytesCRC32:
748   case vmIntrinsics::_updateByteBufferCRC32:
749   case vmIntrinsics::_updateBytesCRC32C:
750   case vmIntrinsics::_updateDirectByteBufferCRC32C:
751   case vmIntrinsics::_updateBytesAdler32:
752   case vmIntrinsics::_updateByteBufferAdler32:
753   case vmIntrinsics::_profileBoolean:
754   case vmIntrinsics::_isCompileConstant:
755   case vmIntrinsics::_Preconditions_checkIndex:
756   case vmIntrinsics::_Preconditions_checkLongIndex:
757   case vmIntrinsics::_getObjectSize:
758     break;
759 
760   case vmIntrinsics::_VectorCompressExpand:
761   case vmIntrinsics::_VectorUnaryOp:
762   case vmIntrinsics::_VectorBinaryOp:
763   case vmIntrinsics::_VectorTernaryOp:
764   case vmIntrinsics::_VectorFromBitsCoerced:
765   case vmIntrinsics::_VectorLoadOp:
766   case vmIntrinsics::_VectorLoadMaskedOp:
767   case vmIntrinsics::_VectorStoreOp:
768   case vmIntrinsics::_VectorStoreMaskedOp:
769   case vmIntrinsics::_VectorGatherOp:
770   case vmIntrinsics::_VectorScatterOp:
771   case vmIntrinsics::_VectorReductionCoerced:
772   case vmIntrinsics::_VectorTest:
773   case vmIntrinsics::_VectorBlend:
774   case vmIntrinsics::_VectorRearrange:
775   case vmIntrinsics::_VectorCompare:
776   case vmIntrinsics::_VectorBroadcastInt:
777   case vmIntrinsics::_VectorConvert:
778   case vmIntrinsics::_VectorInsert:
779   case vmIntrinsics::_VectorExtract:
780   case vmIntrinsics::_VectorMaskOp:
781   case vmIntrinsics::_IndexVector:
782   case vmIntrinsics::_IndexPartiallyInUpperRange:
783     return EnableVectorSupport;
784   case vmIntrinsics::_blackhole:
785 #if INCLUDE_JVMTI
786   case vmIntrinsics::_notifyJvmtiMount:
787   case vmIntrinsics::_notifyJvmtiUnmount:
788   case vmIntrinsics::_notifyJvmtiHideFrames:
789 #endif
790     break;
791 
792   default:
793     return false;
794   }
795   return true;
796 }
797 
798 int C2Compiler::initial_code_buffer_size(int const_size) {
799   // See Compile::init_scratch_buffer_blob
800   int locs_size = sizeof(relocInfo) * PhaseOutput::MAX_locs_size;
801   int slop = 2 * CodeSection::end_slop(); // space between sections
802   return PhaseOutput::MAX_inst_size + PhaseOutput::MAX_stubs_size + const_size + slop + locs_size;
803 }