1 /*
2 * Copyright (c) 1999, 2025, 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 "classfile/vmClasses.hpp"
26 #include "code/aotCodeCache.hpp"
27 #include "compiler/compilationMemoryStatistic.hpp"
28 #include "compiler/compilerDefinitions.inline.hpp"
29 #include "runtime/handles.inline.hpp"
30 #include "jfr/support/jfrIntrinsics.hpp"
31 #include "opto/c2compiler.hpp"
32 #include "opto/compile.hpp"
33 #include "opto/optoreg.hpp"
34 #include "opto/output.hpp"
35 #include "opto/runtime.hpp"
36 #include "runtime/stubRoutines.hpp"
37 #include "runtime/globals_extension.hpp"
38 #include "utilities/macros.hpp"
39
40
41 // register information defined by ADLC
42 extern const char register_save_policy[];
43 extern const int register_save_type[];
44
45 const char* C2Compiler::retry_no_subsuming_loads() {
46 return "retry without subsuming loads";
47 }
48 const char* C2Compiler::retry_no_escape_analysis() {
49 return "retry without escape analysis";
50 }
51 const char* C2Compiler::retry_no_locks_coarsening() {
52 return "retry without locks coarsening";
53 }
54 const char* C2Compiler::retry_no_iterative_escape_analysis() {
55 return "retry without iterative escape analysis";
56 }
57 const char* C2Compiler::retry_no_reduce_allocation_merges() {
58 return "retry without reducing allocation merges";
59 }
60 const char* C2Compiler::retry_no_superword() {
61 return "retry without SuperWord";
62 }
63
64 void compiler_stubs_init(bool in_compiler_thread);
65
66 bool C2Compiler::init_c2_runtime() {
67
68 #ifdef ASSERT
69 if (!AlignVector && VerifyAlignVector) {
70 warning("VerifyAlignVector disabled because AlignVector is not enabled.");
71 FLAG_SET_CMDLINE(VerifyAlignVector, false);
72 }
73 #endif
74
75 // Check assumptions used while running ADLC
76 Compile::adlc_verification();
77 assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts");
78
79 for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) {
80 OptoReg::vm2opto[i] = OptoReg::Bad;
81 }
82
83 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) {
84 VMReg r = OptoReg::as_VMReg(i);
85 if (r->is_valid()) {
86 OptoReg::vm2opto[r->value()] = i;
87 }
88 }
89
90 DEBUG_ONLY( Node::init_NodeProperty(); )
91
92 compiler_stubs_init(true /* in_compiler_thread */); // generate compiler's intrinsics stubs
93
94 Compile::pd_compiler2_init();
95
96 CompilerThread* thread = CompilerThread::current();
97
98 HandleMark handle_mark(thread);
99 bool success = OptoRuntime::generate(thread->env());
100 if (success) {
101 AOTCodeCache::init_c2_table();
102 }
103 return success;
104 }
105
106 void C2Compiler::initialize() {
107 assert(!CompilerConfig::is_c1_or_interpreter_only_no_jvmci(), "C2 compiler is launched, it's not c1/interpreter only mode");
108 // The first compiler thread that gets here will initialize the
109 // small amount of global state (and runtime stubs) that C2 needs.
110
111 // There is a race possible once at startup and then we're fine
112
113 // Note that this is being called from a compiler thread not the
114 // main startup thread.
115 if (should_perform_init()) {
116 bool successful = C2Compiler::init_c2_runtime();
117 int new_state = (successful) ? initialized : failed;
118 set_state(new_state);
119 }
120 }
121
122 void C2Compiler::compile_method(ciEnv* env, ciMethod* target, int entry_bci, bool install_code, DirectiveSet* directive) {
123 assert(is_initialized(), "Compiler thread must be initialized");
124 CompilationMemoryStatisticMark cmsm(directive);
125 CompileTask* task = env->task();
126 if (install_code && task->is_aot_load()) {
127 bool success = AOTCodeCache::load_nmethod(env, target, entry_bci, this, CompLevel_full_optimization);
128 if (success) {
129 assert(task->is_success(), "sanity");
130 return;
131 }
132 AOTCodeCache::invalidate(task->aot_code_entry()); // mark aot_code_entry as not entrant
133 if (AOTCodeCache::is_code_load_thread_on()) {
134 // Bail out if AOT code load failed in AOT Code loading thread
135 // when UseAOTCodeLoadThread flag is on.
136 // We want this thread go quickly through AOT code load requests
137 // instead of spending time on normal compilation.
138 // TODO: pass this task to normal compilation thread.
139 env->record_failure("Failed to load AOT code");
140 return;
141 } else {
142 task->clear_aot();
143 }
144 }
145
146 bool subsume_loads = SubsumeLoads;
147 bool do_escape_analysis = DoEscapeAnalysis;
148 bool do_iterative_escape_analysis = DoEscapeAnalysis;
149 bool do_reduce_allocation_merges = ReduceAllocationMerges && EliminateAllocations;
150 bool eliminate_boxing = EliminateAutoBox;
151 bool do_locks_coarsening = EliminateLocks;
152 bool do_superword = UseSuperWord;
153 bool gen_preload = (task->compile_reason() == CompileTask::Reason_PrecompileForPreload);
154 assert(!gen_preload || (AOTCodeCache::is_dumping_code() && (ClassInitBarrierMode > 0)), "sanity");
155 while (!env->failing()) {
156 ResourceMark rm;
157 // Attempt to compile while subsuming loads into machine instructions.
158 Options options(subsume_loads,
159 do_escape_analysis,
160 do_iterative_escape_analysis,
161 do_reduce_allocation_merges,
162 eliminate_boxing,
163 do_locks_coarsening,
164 do_superword,
165 gen_preload,
166 install_code);
167 Compile C(env, target, entry_bci, options, directive);
168
169 // Check result and retry if appropriate.
170 if (C.failure_reason() != nullptr) {
171 if (C.failure_reason_is(retry_no_subsuming_loads())) {
172 assert(subsume_loads, "must make progress");
173 subsume_loads = false;
174 env->report_failure(C.failure_reason());
175 continue; // retry
176 }
177 if (C.failure_reason_is(retry_no_escape_analysis())) {
178 assert(do_escape_analysis, "must make progress");
179 do_escape_analysis = false;
180 env->report_failure(C.failure_reason());
181 continue; // retry
182 }
183 if (C.failure_reason_is(retry_no_iterative_escape_analysis())) {
184 assert(do_iterative_escape_analysis, "must make progress");
185 do_iterative_escape_analysis = false;
186 env->report_failure(C.failure_reason());
187 continue; // retry
188 }
189 if (C.failure_reason_is(retry_no_reduce_allocation_merges())) {
190 assert(do_reduce_allocation_merges, "must make progress");
191 do_reduce_allocation_merges = false;
192 env->report_failure(C.failure_reason());
193 continue; // retry
194 }
195 if (C.failure_reason_is(retry_no_locks_coarsening())) {
196 assert(do_locks_coarsening, "must make progress");
197 do_locks_coarsening = false;
198 env->report_failure(C.failure_reason());
199 continue; // retry
200 }
201 if (C.failure_reason_is(retry_no_superword())) {
202 assert(do_superword, "must make progress");
203 do_superword = false;
204 env->report_failure(C.failure_reason());
205 continue; // retry
206 }
207 if (C.has_boxed_value()) {
208 // Recompile without boxing elimination regardless failure reason.
209 assert(eliminate_boxing, "must make progress");
210 eliminate_boxing = false;
211 env->report_failure(C.failure_reason());
212 continue; // retry
213 }
214 // Pass any other failure reason up to the ciEnv.
215 // Note that serious, irreversible failures are already logged
216 // on the ciEnv via env->record_method_not_compilable().
217 env->record_failure(C.failure_reason());
218 }
219 if (StressRecompilation) {
220 if (subsume_loads) {
221 subsume_loads = false;
222 continue; // retry
223 }
224 if (do_escape_analysis) {
225 do_escape_analysis = false;
226 continue; // retry
227 }
228 if (do_locks_coarsening) {
229 do_locks_coarsening = false;
230 continue; // retry
231 }
232 }
233 // print inlining for last compilation only
234 C.dump_print_inlining();
235
236 // No retry; just break the loop.
237 break;
238 }
239 }
240
241 void C2Compiler::print_timers() {
242 Compile::print_timers();
243 }
244
245 bool C2Compiler::is_intrinsic_supported(const methodHandle& method) {
246 vmIntrinsics::ID id = method->intrinsic_id();
247 return C2Compiler::is_intrinsic_supported(id);
248 }
249
250 bool C2Compiler::is_intrinsic_supported(vmIntrinsics::ID id) {
251 assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
252
253 if (id < vmIntrinsics::FIRST_ID || id > vmIntrinsics::LAST_COMPILER_INLINE) {
254 return false;
255 }
256
257 switch (id) {
258 case vmIntrinsics::_compressStringC:
259 case vmIntrinsics::_compressStringB:
260 if (!Matcher::match_rule_supported(Op_StrCompressedCopy)) return false;
261 break;
262 case vmIntrinsics::_inflateStringC:
263 case vmIntrinsics::_inflateStringB:
264 if (!Matcher::match_rule_supported(Op_StrInflatedCopy)) return false;
265 break;
266 case vmIntrinsics::_compareToL:
267 case vmIntrinsics::_compareToU:
268 case vmIntrinsics::_compareToLU:
269 case vmIntrinsics::_compareToUL:
270 if (!Matcher::match_rule_supported(Op_StrComp)) return false;
271 break;
272 case vmIntrinsics::_equalsL:
273 if (!Matcher::match_rule_supported(Op_StrEquals)) return false;
274 break;
275 case vmIntrinsics::_vectorizedHashCode:
276 if (!Matcher::match_rule_supported(Op_VectorizedHashCode)) return false;
277 break;
278 case vmIntrinsics::_equalsB:
279 case vmIntrinsics::_equalsC:
280 if (!Matcher::match_rule_supported(Op_AryEq)) return false;
281 break;
282 case vmIntrinsics::_copyMemory:
283 if (StubRoutines::unsafe_arraycopy() == nullptr) return false;
284 break;
285 case vmIntrinsics::_setMemory:
286 if (StubRoutines::unsafe_setmemory() == nullptr) return false;
287 break;
288 case vmIntrinsics::_electronicCodeBook_encryptAESCrypt:
289 if (StubRoutines::electronicCodeBook_encryptAESCrypt() == nullptr) return false;
290 break;
291 case vmIntrinsics::_electronicCodeBook_decryptAESCrypt:
292 if (StubRoutines::electronicCodeBook_decryptAESCrypt() == nullptr) return false;
293 break;
294 case vmIntrinsics::_galoisCounterMode_AESCrypt:
295 if (StubRoutines::galoisCounterMode_AESCrypt() == nullptr) return false;
296 break;
297 case vmIntrinsics::_bigIntegerRightShiftWorker:
298 if (StubRoutines::bigIntegerRightShift() == nullptr) return false;
299 break;
300 case vmIntrinsics::_bigIntegerLeftShiftWorker:
301 if (StubRoutines::bigIntegerLeftShift() == nullptr) return false;
302 break;
303 case vmIntrinsics::_encodeAsciiArray:
304 if (!Matcher::match_rule_supported(Op_EncodeISOArray) || !Matcher::supports_encode_ascii_array) return false;
305 break;
306 case vmIntrinsics::_encodeISOArray:
307 case vmIntrinsics::_encodeByteISOArray:
308 if (!Matcher::match_rule_supported(Op_EncodeISOArray)) return false;
309 break;
310 case vmIntrinsics::_countPositives:
311 if (!Matcher::match_rule_supported(Op_CountPositives)) return false;
312 break;
313 case vmIntrinsics::_bitCount_i:
314 if (!Matcher::match_rule_supported(Op_PopCountI)) return false;
315 break;
316 case vmIntrinsics::_bitCount_l:
317 if (!Matcher::match_rule_supported(Op_PopCountL)) return false;
318 break;
319 case vmIntrinsics::_compress_i:
320 case vmIntrinsics::_compress_l:
321 if (!Matcher::match_rule_supported(Op_CompressBits)) return false;
322 break;
323 case vmIntrinsics::_expand_i:
324 case vmIntrinsics::_expand_l:
325 if (!Matcher::match_rule_supported(Op_ExpandBits)) return false;
326 break;
327 case vmIntrinsics::_numberOfLeadingZeros_i:
328 if (!Matcher::match_rule_supported(Op_CountLeadingZerosI)) return false;
329 break;
330 case vmIntrinsics::_numberOfLeadingZeros_l:
331 if (!Matcher::match_rule_supported(Op_CountLeadingZerosL)) return false;
332 break;
333 case vmIntrinsics::_numberOfTrailingZeros_i:
334 if (!Matcher::match_rule_supported(Op_CountTrailingZerosI)) return false;
335 break;
336 case vmIntrinsics::_numberOfTrailingZeros_l:
337 if (!Matcher::match_rule_supported(Op_CountTrailingZerosL)) return false;
338 break;
339 case vmIntrinsics::_reverse_i:
340 if (!Matcher::match_rule_supported(Op_ReverseI)) return false;
341 break;
342 case vmIntrinsics::_reverse_l:
343 if (!Matcher::match_rule_supported(Op_ReverseL)) return false;
344 break;
345 case vmIntrinsics::_reverseBytes_c:
346 if (!Matcher::match_rule_supported(Op_ReverseBytesUS)) return false;
347 break;
348 case vmIntrinsics::_reverseBytes_s:
349 if (!Matcher::match_rule_supported(Op_ReverseBytesS)) return false;
350 break;
351 case vmIntrinsics::_reverseBytes_i:
352 if (!Matcher::match_rule_supported(Op_ReverseBytesI)) return false;
353 break;
354 case vmIntrinsics::_reverseBytes_l:
355 if (!Matcher::match_rule_supported(Op_ReverseBytesL)) return false;
356 break;
357 case vmIntrinsics::_compareUnsigned_i:
358 if (!Matcher::match_rule_supported(Op_CmpU3)) return false;
359 break;
360 case vmIntrinsics::_compareUnsigned_l:
361 if (!Matcher::match_rule_supported(Op_CmpUL3)) return false;
362 break;
363 case vmIntrinsics::_divideUnsigned_i:
364 if (!Matcher::match_rule_supported(Op_UDivI)) return false;
365 break;
366 case vmIntrinsics::_remainderUnsigned_i:
367 if (!Matcher::match_rule_supported(Op_UModI)) return false;
368 break;
369 case vmIntrinsics::_divideUnsigned_l:
370 if (!Matcher::match_rule_supported(Op_UDivL)) return false;
371 break;
372 case vmIntrinsics::_remainderUnsigned_l:
373 if (!Matcher::match_rule_supported(Op_UModL)) return false;
374 break;
375 case vmIntrinsics::_float16ToFloat:
376 if (!Matcher::match_rule_supported(Op_ConvHF2F)) return false;
377 break;
378 case vmIntrinsics::_floatToFloat16:
379 if (!Matcher::match_rule_supported(Op_ConvF2HF)) return false;
380 break;
381 case vmIntrinsics::_sqrt_float16:
382 if (!Matcher::match_rule_supported(Op_SqrtHF)) return false;
383 break;
384 case vmIntrinsics::_fma_float16:
385 if (!Matcher::match_rule_supported(Op_FmaHF)) return false;
386 break;
387
388 /* CompareAndSet, Object: */
389 case vmIntrinsics::_compareAndSetReference:
390 #ifdef _LP64
391 if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapN)) return false;
392 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;
393 #else
394 if (!Matcher::match_rule_supported(Op_CompareAndSwapP)) return false;
395 #endif
396 break;
397 case vmIntrinsics::_weakCompareAndSetReferencePlain:
398 case vmIntrinsics::_weakCompareAndSetReferenceAcquire:
399 case vmIntrinsics::_weakCompareAndSetReferenceRelease:
400 case vmIntrinsics::_weakCompareAndSetReference:
401 #ifdef _LP64
402 if ( UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapN)) return false;
403 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
404 #else
405 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
406 #endif
407 break;
408 /* CompareAndSet, Long: */
409 case vmIntrinsics::_compareAndSetLong:
410 if (!Matcher::match_rule_supported(Op_CompareAndSwapL)) return false;
411 break;
412 case vmIntrinsics::_weakCompareAndSetLongPlain:
413 case vmIntrinsics::_weakCompareAndSetLongAcquire:
414 case vmIntrinsics::_weakCompareAndSetLongRelease:
415 case vmIntrinsics::_weakCompareAndSetLong:
416 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return false;
417 break;
418
419 /* CompareAndSet, Int: */
420 case vmIntrinsics::_compareAndSetInt:
421 if (!Matcher::match_rule_supported(Op_CompareAndSwapI)) return false;
422 break;
423 case vmIntrinsics::_weakCompareAndSetIntPlain:
424 case vmIntrinsics::_weakCompareAndSetIntAcquire:
425 case vmIntrinsics::_weakCompareAndSetIntRelease:
426 case vmIntrinsics::_weakCompareAndSetInt:
427 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapI)) return false;
428 break;
429
430 /* CompareAndSet, Byte: */
431 case vmIntrinsics::_compareAndSetByte:
432 if (!Matcher::match_rule_supported(Op_CompareAndSwapB)) return false;
433 break;
434 case vmIntrinsics::_weakCompareAndSetBytePlain:
435 case vmIntrinsics::_weakCompareAndSetByteAcquire:
436 case vmIntrinsics::_weakCompareAndSetByteRelease:
437 case vmIntrinsics::_weakCompareAndSetByte:
438 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapB)) return false;
439 break;
440
441 /* CompareAndSet, Short: */
442 case vmIntrinsics::_compareAndSetShort:
443 if (!Matcher::match_rule_supported(Op_CompareAndSwapS)) return false;
444 break;
445 case vmIntrinsics::_weakCompareAndSetShortPlain:
446 case vmIntrinsics::_weakCompareAndSetShortAcquire:
447 case vmIntrinsics::_weakCompareAndSetShortRelease:
448 case vmIntrinsics::_weakCompareAndSetShort:
449 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapS)) return false;
450 break;
451
452 /* CompareAndExchange, Object: */
453 case vmIntrinsics::_compareAndExchangeReference:
454 case vmIntrinsics::_compareAndExchangeReferenceAcquire:
455 case vmIntrinsics::_compareAndExchangeReferenceRelease:
456 #ifdef _LP64
457 if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeN)) return false;
458 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
459 #else
460 if (!Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
461 #endif
462 break;
463
464 /* CompareAndExchange, Long: */
465 case vmIntrinsics::_compareAndExchangeLong:
466 case vmIntrinsics::_compareAndExchangeLongAcquire:
467 case vmIntrinsics::_compareAndExchangeLongRelease:
468 if (!Matcher::match_rule_supported(Op_CompareAndExchangeL)) return false;
469 break;
470
471 /* CompareAndExchange, Int: */
472 case vmIntrinsics::_compareAndExchangeInt:
473 case vmIntrinsics::_compareAndExchangeIntAcquire:
474 case vmIntrinsics::_compareAndExchangeIntRelease:
475 if (!Matcher::match_rule_supported(Op_CompareAndExchangeI)) return false;
476 break;
477
478 /* CompareAndExchange, Byte: */
479 case vmIntrinsics::_compareAndExchangeByte:
480 case vmIntrinsics::_compareAndExchangeByteAcquire:
481 case vmIntrinsics::_compareAndExchangeByteRelease:
482 if (!Matcher::match_rule_supported(Op_CompareAndExchangeB)) return false;
483 break;
484
485 /* CompareAndExchange, Short: */
486 case vmIntrinsics::_compareAndExchangeShort:
487 case vmIntrinsics::_compareAndExchangeShortAcquire:
488 case vmIntrinsics::_compareAndExchangeShortRelease:
489 if (!Matcher::match_rule_supported(Op_CompareAndExchangeS)) return false;
490 break;
491
492 case vmIntrinsics::_getAndAddByte:
493 if (!Matcher::match_rule_supported(Op_GetAndAddB)) return false;
494 break;
495 case vmIntrinsics::_getAndAddShort:
496 if (!Matcher::match_rule_supported(Op_GetAndAddS)) return false;
497 break;
498 case vmIntrinsics::_getAndAddInt:
499 if (!Matcher::match_rule_supported(Op_GetAndAddI)) return false;
500 break;
501 case vmIntrinsics::_getAndAddLong:
502 if (!Matcher::match_rule_supported(Op_GetAndAddL)) return false;
503 break;
504
505 case vmIntrinsics::_getAndSetByte:
506 if (!Matcher::match_rule_supported(Op_GetAndSetB)) return false;
507 break;
508 case vmIntrinsics::_getAndSetShort:
509 if (!Matcher::match_rule_supported(Op_GetAndSetS)) return false;
510 break;
511 case vmIntrinsics::_getAndSetInt:
512 if (!Matcher::match_rule_supported(Op_GetAndSetI)) return false;
513 break;
514 case vmIntrinsics::_getAndSetLong:
515 if (!Matcher::match_rule_supported(Op_GetAndSetL)) return false;
516 break;
517 case vmIntrinsics::_getAndSetReference:
518 #ifdef _LP64
519 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetP)) return false;
520 if (UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetN)) return false;
521 break;
522 #else
523 if (!Matcher::match_rule_supported(Op_GetAndSetP)) return false;
524 break;
525 #endif
526 case vmIntrinsics::_incrementExactI:
527 case vmIntrinsics::_addExactI:
528 if (!Matcher::match_rule_supported(Op_OverflowAddI)) return false;
529 break;
530 case vmIntrinsics::_incrementExactL:
531 case vmIntrinsics::_addExactL:
532 if (!Matcher::match_rule_supported(Op_OverflowAddL)) return false;
533 break;
534 case vmIntrinsics::_decrementExactI:
535 case vmIntrinsics::_subtractExactI:
536 if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
537 break;
538 case vmIntrinsics::_decrementExactL:
539 case vmIntrinsics::_subtractExactL:
540 if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
541 break;
542 case vmIntrinsics::_negateExactI:
543 if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
544 break;
545 case vmIntrinsics::_negateExactL:
546 if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
547 break;
548 case vmIntrinsics::_multiplyExactI:
549 if (!Matcher::match_rule_supported(Op_OverflowMulI)) return false;
550 break;
551 case vmIntrinsics::_multiplyExactL:
552 if (!Matcher::match_rule_supported(Op_OverflowMulL)) return false;
553 break;
554 case vmIntrinsics::_multiplyHigh:
555 if (!Matcher::match_rule_supported(Op_MulHiL)) return false;
556 break;
557 case vmIntrinsics::_unsignedMultiplyHigh:
558 if (!Matcher::match_rule_supported(Op_UMulHiL)) return false;
559 break;
560 case vmIntrinsics::_getCallerClass:
561 if (vmClasses::reflect_CallerSensitive_klass() == nullptr) return false;
562 break;
563 case vmIntrinsics::_onSpinWait:
564 if (!Matcher::match_rule_supported(Op_OnSpinWait)) return false;
565 break;
566 case vmIntrinsics::_fmaD:
567 if (!Matcher::match_rule_supported(Op_FmaD)) return false;
568 break;
569 case vmIntrinsics::_fmaF:
570 if (!Matcher::match_rule_supported(Op_FmaF)) return false;
571 break;
572 case vmIntrinsics::_isDigit:
573 if (!Matcher::match_rule_supported(Op_Digit)) return false;
574 break;
575 case vmIntrinsics::_isLowerCase:
576 if (!Matcher::match_rule_supported(Op_LowerCase)) return false;
577 break;
578 case vmIntrinsics::_isUpperCase:
579 if (!Matcher::match_rule_supported(Op_UpperCase)) return false;
580 break;
581 case vmIntrinsics::_isWhitespace:
582 if (!Matcher::match_rule_supported(Op_Whitespace)) return false;
583 break;
584 case vmIntrinsics::_maxF:
585 case vmIntrinsics::_maxF_strict:
586 if (!Matcher::match_rule_supported(Op_MaxF)) return false;
587 break;
588 case vmIntrinsics::_minF:
589 case vmIntrinsics::_minF_strict:
590 if (!Matcher::match_rule_supported(Op_MinF)) return false;
591 break;
592 case vmIntrinsics::_maxD:
593 case vmIntrinsics::_maxD_strict:
594 if (!Matcher::match_rule_supported(Op_MaxD)) return false;
595 break;
596 case vmIntrinsics::_minD:
597 case vmIntrinsics::_minD_strict:
598 if (!Matcher::match_rule_supported(Op_MinD)) return false;
599 break;
600 case vmIntrinsics::_writeback0:
601 if (!Matcher::match_rule_supported(Op_CacheWB)) return false;
602 break;
603 case vmIntrinsics::_writebackPreSync0:
604 if (!Matcher::match_rule_supported(Op_CacheWBPreSync)) return false;
605 break;
606 case vmIntrinsics::_writebackPostSync0:
607 if (!Matcher::match_rule_supported(Op_CacheWBPostSync)) return false;
608 break;
609 case vmIntrinsics::_rint:
610 case vmIntrinsics::_ceil:
611 case vmIntrinsics::_floor:
612 if (!Matcher::match_rule_supported(Op_RoundDoubleMode)) return false;
613 break;
614 case vmIntrinsics::_dcopySign:
615 if (!Matcher::match_rule_supported(Op_CopySignD)) return false;
616 break;
617 case vmIntrinsics::_fcopySign:
618 if (!Matcher::match_rule_supported(Op_CopySignF)) return false;
619 break;
620 case vmIntrinsics::_dsignum:
621 if (!Matcher::match_rule_supported(Op_SignumD)) return false;
622 break;
623 case vmIntrinsics::_fsignum:
624 if (!Matcher::match_rule_supported(Op_SignumF)) return false;
625 break;
626 case vmIntrinsics::_floatIsInfinite:
627 if (!Matcher::match_rule_supported(Op_IsInfiniteF)) return false;
628 break;
629 case vmIntrinsics::_floatIsFinite:
630 if (!Matcher::match_rule_supported(Op_IsFiniteF)) return false;
631 break;
632 case vmIntrinsics::_doubleIsInfinite:
633 if (!Matcher::match_rule_supported(Op_IsInfiniteD)) return false;
634 break;
635 case vmIntrinsics::_doubleIsFinite:
636 if (!Matcher::match_rule_supported(Op_IsFiniteD)) return false;
637 break;
638 case vmIntrinsics::_hashCode:
639 case vmIntrinsics::_identityHashCode:
640 case vmIntrinsics::_getClass:
641 case vmIntrinsics::_dsin:
642 case vmIntrinsics::_dcos:
643 case vmIntrinsics::_dtan:
644 case vmIntrinsics::_dtanh:
645 case vmIntrinsics::_dcbrt:
646 case vmIntrinsics::_dabs:
647 case vmIntrinsics::_fabs:
648 case vmIntrinsics::_iabs:
649 case vmIntrinsics::_labs:
650 case vmIntrinsics::_datan2:
651 case vmIntrinsics::_dsqrt:
652 case vmIntrinsics::_dsqrt_strict:
653 case vmIntrinsics::_dexp:
654 case vmIntrinsics::_dlog:
655 case vmIntrinsics::_dlog10:
656 case vmIntrinsics::_dpow:
657 case vmIntrinsics::_roundD:
658 case vmIntrinsics::_roundF:
659 case vmIntrinsics::_min:
660 case vmIntrinsics::_max:
661 case vmIntrinsics::_min_strict:
662 case vmIntrinsics::_max_strict:
663 case vmIntrinsics::_maxL:
664 case vmIntrinsics::_minL:
665 case vmIntrinsics::_arraycopy:
666 case vmIntrinsics::_arraySort:
667 case vmIntrinsics::_arrayPartition:
668 case vmIntrinsics::_indexOfL:
669 case vmIntrinsics::_indexOfU:
670 case vmIntrinsics::_indexOfUL:
671 case vmIntrinsics::_indexOfIL:
672 case vmIntrinsics::_indexOfIU:
673 case vmIntrinsics::_indexOfIUL:
674 case vmIntrinsics::_indexOfU_char:
675 case vmIntrinsics::_indexOfL_char:
676 case vmIntrinsics::_toBytesStringU:
677 case vmIntrinsics::_getCharsStringU:
678 case vmIntrinsics::_getCharStringU:
679 case vmIntrinsics::_putCharStringU:
680 case vmIntrinsics::_getReference:
681 case vmIntrinsics::_getBoolean:
682 case vmIntrinsics::_getByte:
683 case vmIntrinsics::_getShort:
684 case vmIntrinsics::_getChar:
685 case vmIntrinsics::_getInt:
686 case vmIntrinsics::_getLong:
687 case vmIntrinsics::_getFloat:
688 case vmIntrinsics::_getDouble:
689 case vmIntrinsics::_putReference:
690 case vmIntrinsics::_putBoolean:
691 case vmIntrinsics::_putByte:
692 case vmIntrinsics::_putShort:
693 case vmIntrinsics::_putChar:
694 case vmIntrinsics::_putInt:
695 case vmIntrinsics::_putLong:
696 case vmIntrinsics::_putFloat:
697 case vmIntrinsics::_putDouble:
698 case vmIntrinsics::_getReferenceVolatile:
699 case vmIntrinsics::_getBooleanVolatile:
700 case vmIntrinsics::_getByteVolatile:
701 case vmIntrinsics::_getShortVolatile:
702 case vmIntrinsics::_getCharVolatile:
703 case vmIntrinsics::_getIntVolatile:
704 case vmIntrinsics::_getLongVolatile:
705 case vmIntrinsics::_getFloatVolatile:
706 case vmIntrinsics::_getDoubleVolatile:
707 case vmIntrinsics::_putReferenceVolatile:
708 case vmIntrinsics::_putBooleanVolatile:
709 case vmIntrinsics::_putByteVolatile:
710 case vmIntrinsics::_putShortVolatile:
711 case vmIntrinsics::_putCharVolatile:
712 case vmIntrinsics::_putIntVolatile:
713 case vmIntrinsics::_putLongVolatile:
714 case vmIntrinsics::_putFloatVolatile:
715 case vmIntrinsics::_putDoubleVolatile:
716 case vmIntrinsics::_getReferenceAcquire:
717 case vmIntrinsics::_getBooleanAcquire:
718 case vmIntrinsics::_getByteAcquire:
719 case vmIntrinsics::_getShortAcquire:
720 case vmIntrinsics::_getCharAcquire:
721 case vmIntrinsics::_getIntAcquire:
722 case vmIntrinsics::_getLongAcquire:
723 case vmIntrinsics::_getFloatAcquire:
724 case vmIntrinsics::_getDoubleAcquire:
725 case vmIntrinsics::_putReferenceRelease:
726 case vmIntrinsics::_putBooleanRelease:
727 case vmIntrinsics::_putByteRelease:
728 case vmIntrinsics::_putShortRelease:
729 case vmIntrinsics::_putCharRelease:
730 case vmIntrinsics::_putIntRelease:
731 case vmIntrinsics::_putLongRelease:
732 case vmIntrinsics::_putFloatRelease:
733 case vmIntrinsics::_putDoubleRelease:
734 case vmIntrinsics::_getReferenceOpaque:
735 case vmIntrinsics::_getBooleanOpaque:
736 case vmIntrinsics::_getByteOpaque:
737 case vmIntrinsics::_getShortOpaque:
738 case vmIntrinsics::_getCharOpaque:
739 case vmIntrinsics::_getIntOpaque:
740 case vmIntrinsics::_getLongOpaque:
741 case vmIntrinsics::_getFloatOpaque:
742 case vmIntrinsics::_getDoubleOpaque:
743 case vmIntrinsics::_putReferenceOpaque:
744 case vmIntrinsics::_putBooleanOpaque:
745 case vmIntrinsics::_putByteOpaque:
746 case vmIntrinsics::_putShortOpaque:
747 case vmIntrinsics::_putCharOpaque:
748 case vmIntrinsics::_putIntOpaque:
749 case vmIntrinsics::_putLongOpaque:
750 case vmIntrinsics::_putFloatOpaque:
751 case vmIntrinsics::_putDoubleOpaque:
752 case vmIntrinsics::_getShortUnaligned:
753 case vmIntrinsics::_getCharUnaligned:
754 case vmIntrinsics::_getIntUnaligned:
755 case vmIntrinsics::_getLongUnaligned:
756 case vmIntrinsics::_putShortUnaligned:
757 case vmIntrinsics::_putCharUnaligned:
758 case vmIntrinsics::_putIntUnaligned:
759 case vmIntrinsics::_putLongUnaligned:
760 case vmIntrinsics::_loadFence:
761 case vmIntrinsics::_storeFence:
762 case vmIntrinsics::_storeStoreFence:
763 case vmIntrinsics::_fullFence:
764 case vmIntrinsics::_currentCarrierThread:
765 case vmIntrinsics::_currentThread:
766 case vmIntrinsics::_setCurrentThread:
767 case vmIntrinsics::_scopedValueCache:
768 case vmIntrinsics::_setScopedValueCache:
769 case vmIntrinsics::_Continuation_pin:
770 case vmIntrinsics::_Continuation_unpin:
771 #ifdef JFR_HAVE_INTRINSICS
772 case vmIntrinsics::_counterTime:
773 case vmIntrinsics::_getEventWriter:
774 case vmIntrinsics::_jvm_commit:
775 #endif
776 case vmIntrinsics::_currentTimeMillis:
777 case vmIntrinsics::_nanoTime:
778 case vmIntrinsics::_allocateInstance:
779 case vmIntrinsics::_allocateUninitializedArray:
780 case vmIntrinsics::_newArray:
781 case vmIntrinsics::_getLength:
782 case vmIntrinsics::_copyOf:
783 case vmIntrinsics::_copyOfRange:
784 case vmIntrinsics::_clone:
785 case vmIntrinsics::_isAssignableFrom:
786 case vmIntrinsics::_isInstance:
787 case vmIntrinsics::_isHidden:
788 case vmIntrinsics::_getSuperclass:
789 case vmIntrinsics::_getClassAccessFlags:
790 case vmIntrinsics::_floatToRawIntBits:
791 case vmIntrinsics::_floatToIntBits:
792 case vmIntrinsics::_intBitsToFloat:
793 case vmIntrinsics::_doubleToRawLongBits:
794 case vmIntrinsics::_doubleToLongBits:
795 case vmIntrinsics::_longBitsToDouble:
796 case vmIntrinsics::_Reference_get:
797 case vmIntrinsics::_Reference_refersTo0:
798 case vmIntrinsics::_PhantomReference_refersTo0:
799 case vmIntrinsics::_Reference_clear0:
800 case vmIntrinsics::_PhantomReference_clear0:
801 case vmIntrinsics::_Class_cast:
802 case vmIntrinsics::_aescrypt_encryptBlock:
803 case vmIntrinsics::_aescrypt_decryptBlock:
804 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
805 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
806 case vmIntrinsics::_counterMode_AESCrypt:
807 case vmIntrinsics::_md5_implCompress:
808 case vmIntrinsics::_sha_implCompress:
809 case vmIntrinsics::_sha2_implCompress:
810 case vmIntrinsics::_sha5_implCompress:
811 case vmIntrinsics::_sha3_implCompress:
812 case vmIntrinsics::_double_keccak:
813 case vmIntrinsics::_digestBase_implCompressMB:
814 case vmIntrinsics::_multiplyToLen:
815 case vmIntrinsics::_squareToLen:
816 case vmIntrinsics::_mulAdd:
817 case vmIntrinsics::_montgomeryMultiply:
818 case vmIntrinsics::_montgomerySquare:
819 case vmIntrinsics::_vectorizedMismatch:
820 case vmIntrinsics::_ghash_processBlocks:
821 case vmIntrinsics::_chacha20Block:
822 case vmIntrinsics::_kyberNtt:
823 case vmIntrinsics::_kyberInverseNtt:
824 case vmIntrinsics::_kyberNttMult:
825 case vmIntrinsics::_kyberAddPoly_2:
826 case vmIntrinsics::_kyberAddPoly_3:
827 case vmIntrinsics::_kyber12To16:
828 case vmIntrinsics::_kyberBarrettReduce:
829 case vmIntrinsics::_dilithiumAlmostNtt:
830 case vmIntrinsics::_dilithiumAlmostInverseNtt:
831 case vmIntrinsics::_dilithiumNttMult:
832 case vmIntrinsics::_dilithiumMontMulByConstant:
833 case vmIntrinsics::_dilithiumDecomposePoly:
834 case vmIntrinsics::_base64_encodeBlock:
835 case vmIntrinsics::_base64_decodeBlock:
836 case vmIntrinsics::_poly1305_processBlocks:
837 case vmIntrinsics::_intpoly_montgomeryMult_P256:
838 case vmIntrinsics::_intpoly_assign:
839 case vmIntrinsics::_updateCRC32:
840 case vmIntrinsics::_updateBytesCRC32:
841 case vmIntrinsics::_updateByteBufferCRC32:
842 case vmIntrinsics::_updateBytesCRC32C:
843 case vmIntrinsics::_updateDirectByteBufferCRC32C:
844 case vmIntrinsics::_updateBytesAdler32:
845 case vmIntrinsics::_updateByteBufferAdler32:
846 case vmIntrinsics::_profileBoolean:
847 case vmIntrinsics::_isCompileConstant:
848 case vmIntrinsics::_Preconditions_checkIndex:
849 case vmIntrinsics::_Preconditions_checkLongIndex:
850 case vmIntrinsics::_getObjectSize:
851 break;
852 case vmIntrinsics::_VectorCompressExpand:
853 case vmIntrinsics::_VectorUnaryOp:
854 case vmIntrinsics::_VectorBinaryOp:
855 case vmIntrinsics::_VectorTernaryOp:
856 case vmIntrinsics::_VectorFromBitsCoerced:
857 case vmIntrinsics::_VectorLoadOp:
858 case vmIntrinsics::_VectorLoadMaskedOp:
859 case vmIntrinsics::_VectorStoreOp:
860 case vmIntrinsics::_VectorStoreMaskedOp:
861 case vmIntrinsics::_VectorSelectFromTwoVectorOp:
862 case vmIntrinsics::_VectorGatherOp:
863 case vmIntrinsics::_VectorScatterOp:
864 case vmIntrinsics::_VectorReductionCoerced:
865 case vmIntrinsics::_VectorTest:
866 case vmIntrinsics::_VectorBlend:
867 case vmIntrinsics::_VectorRearrange:
868 case vmIntrinsics::_VectorSelectFrom:
869 case vmIntrinsics::_VectorCompare:
870 case vmIntrinsics::_VectorBroadcastInt:
871 case vmIntrinsics::_VectorConvert:
872 case vmIntrinsics::_VectorInsert:
873 case vmIntrinsics::_VectorExtract:
874 case vmIntrinsics::_VectorMaskOp:
875 case vmIntrinsics::_IndexVector:
876 case vmIntrinsics::_IndexPartiallyInUpperRange:
877 return EnableVectorSupport;
878 case vmIntrinsics::_VectorUnaryLibOp:
879 case vmIntrinsics::_VectorBinaryLibOp:
880 return EnableVectorSupport && Matcher::supports_vector_calling_convention();
881 case vmIntrinsics::_blackhole:
882 #if INCLUDE_JVMTI
883 case vmIntrinsics::_notifyJvmtiVThreadStart:
884 case vmIntrinsics::_notifyJvmtiVThreadEnd:
885 case vmIntrinsics::_notifyJvmtiVThreadMount:
886 case vmIntrinsics::_notifyJvmtiVThreadUnmount:
887 case vmIntrinsics::_notifyJvmtiVThreadDisableSuspend:
888 #endif
889 break;
890
891 default:
892 return false;
893 }
894 return true;
895 }
896
897 int C2Compiler::initial_code_buffer_size(int const_size) {
898 // See Compile::init_scratch_buffer_blob
899 int locs_size = sizeof(relocInfo) * PhaseOutput::MAX_locs_size;
900 int slop = 2 * CodeSection::end_slop(); // space between sections
901 return PhaseOutput::max_inst_size() + PhaseOutput::MAX_stubs_size + const_size + slop + locs_size;
902 }