1 /*
2 * Copyright (c) 1999, 2015, 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 /* CompareAndSwap, Object: */
248 case vmIntrinsics::_compareAndSwapObject:
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::_weakCompareAndSwapObject:
257 case vmIntrinsics::_weakCompareAndSwapObjectAcquire:
258 case vmIntrinsics::_weakCompareAndSwapObjectRelease:
259 #ifdef _LP64
260 if ( UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapN)) return false;
261 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
262 #else
263 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapP)) return false;
264 #endif
265 break;
266 /* CompareAndSwap, Long: */
267 case vmIntrinsics::_compareAndSwapLong:
268 if (!Matcher::match_rule_supported(Op_CompareAndSwapL)) return false;
269 break;
270 case vmIntrinsics::_weakCompareAndSwapLong:
271 case vmIntrinsics::_weakCompareAndSwapLongAcquire:
272 case vmIntrinsics::_weakCompareAndSwapLongRelease:
273 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return false;
274 break;
275
276 /* CompareAndSwap, Int: */
277 case vmIntrinsics::_compareAndSwapInt:
278 if (!Matcher::match_rule_supported(Op_CompareAndSwapI)) return false;
279 break;
280 case vmIntrinsics::_weakCompareAndSwapInt:
281 case vmIntrinsics::_weakCompareAndSwapIntAcquire:
282 case vmIntrinsics::_weakCompareAndSwapIntRelease:
283 if (!Matcher::match_rule_supported(Op_WeakCompareAndSwapL)) return false;
284 break;
285
286 /* CompareAndExchange, Object: */
287 case vmIntrinsics::_compareAndExchangeObjectVolatile:
288 case vmIntrinsics::_compareAndExchangeObjectAcquire:
289 case vmIntrinsics::_compareAndExchangeObjectRelease:
290 #ifdef _LP64
291 if ( UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeN)) return false;
292 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
293 #else
294 if (!Matcher::match_rule_supported(Op_CompareAndExchangeP)) return false;
295 #endif
296 break;
297
298 /* CompareAndExchange, Long: */
299 case vmIntrinsics::_compareAndExchangeLongVolatile:
300 case vmIntrinsics::_compareAndExchangeLongAcquire:
301 case vmIntrinsics::_compareAndExchangeLongRelease:
302 if (!Matcher::match_rule_supported(Op_CompareAndExchangeL)) return false;
303 break;
304
305 /* CompareAndExchange, Int: */
306 case vmIntrinsics::_compareAndExchangeIntVolatile:
307 case vmIntrinsics::_compareAndExchangeIntAcquire:
308 case vmIntrinsics::_compareAndExchangeIntRelease:
309 if (!Matcher::match_rule_supported(Op_CompareAndExchangeI)) return false;
310 break;
311
312 case vmIntrinsics::_getAndAddInt:
313 if (!Matcher::match_rule_supported(Op_GetAndAddI)) return false;
314 break;
315 case vmIntrinsics::_getAndAddLong:
316 if (!Matcher::match_rule_supported(Op_GetAndAddL)) return false;
317 break;
318 case vmIntrinsics::_getAndSetInt:
319 if (!Matcher::match_rule_supported(Op_GetAndSetI)) return false;
320 break;
321 case vmIntrinsics::_getAndSetLong:
322 if (!Matcher::match_rule_supported(Op_GetAndSetL)) return false;
323 break;
324 case vmIntrinsics::_getAndSetObject:
325 #ifdef _LP64
326 if (!UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetP)) return false;
327 if (UseCompressedOops && !Matcher::match_rule_supported(Op_GetAndSetN)) return false;
328 break;
329 #else
330 if (!Matcher::match_rule_supported(Op_GetAndSetP)) return false;
331 break;
332 #endif
333 case vmIntrinsics::_incrementExactI:
334 case vmIntrinsics::_addExactI:
335 if (!Matcher::match_rule_supported(Op_OverflowAddI)) return false;
336 break;
337 case vmIntrinsics::_incrementExactL:
338 case vmIntrinsics::_addExactL:
339 if (!Matcher::match_rule_supported(Op_OverflowAddL)) return false;
340 break;
341 case vmIntrinsics::_decrementExactI:
342 case vmIntrinsics::_subtractExactI:
343 if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
344 break;
345 case vmIntrinsics::_decrementExactL:
346 case vmIntrinsics::_subtractExactL:
347 if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
348 break;
349 case vmIntrinsics::_negateExactI:
350 if (!Matcher::match_rule_supported(Op_OverflowSubI)) return false;
351 break;
352 case vmIntrinsics::_negateExactL:
353 if (!Matcher::match_rule_supported(Op_OverflowSubL)) return false;
354 break;
355 case vmIntrinsics::_multiplyExactI:
356 if (!Matcher::match_rule_supported(Op_OverflowMulI)) return false;
357 break;
358 case vmIntrinsics::_multiplyExactL:
359 if (!Matcher::match_rule_supported(Op_OverflowMulL)) return false;
360 break;
361 case vmIntrinsics::_getCallerClass:
362 if (SystemDictionary::reflect_CallerSensitive_klass() == NULL) return false;
363 break;
364 case vmIntrinsics::_hashCode:
365 case vmIntrinsics::_identityHashCode:
366 case vmIntrinsics::_getClass:
367 case vmIntrinsics::_dsin:
368 case vmIntrinsics::_dcos:
369 case vmIntrinsics::_dtan:
370 case vmIntrinsics::_dabs:
371 case vmIntrinsics::_datan2:
372 case vmIntrinsics::_dsqrt:
373 case vmIntrinsics::_dexp:
374 case vmIntrinsics::_dlog:
375 case vmIntrinsics::_dlog10:
376 case vmIntrinsics::_dpow:
377 case vmIntrinsics::_min:
378 case vmIntrinsics::_max:
379 case vmIntrinsics::_arraycopy:
380 case vmIntrinsics::_indexOfL:
381 case vmIntrinsics::_indexOfU:
382 case vmIntrinsics::_indexOfUL:
383 case vmIntrinsics::_indexOfIL:
384 case vmIntrinsics::_indexOfIU:
385 case vmIntrinsics::_indexOfIUL:
386 case vmIntrinsics::_indexOfU_char:
387 case vmIntrinsics::_toBytesStringU:
388 case vmIntrinsics::_getCharsStringU:
389 case vmIntrinsics::_getCharStringU:
390 case vmIntrinsics::_putCharStringU:
391 case vmIntrinsics::_getObject:
392 case vmIntrinsics::_getBoolean:
393 case vmIntrinsics::_getByte:
394 case vmIntrinsics::_getShort:
395 case vmIntrinsics::_getChar:
396 case vmIntrinsics::_getInt:
397 case vmIntrinsics::_getLong:
398 case vmIntrinsics::_getFloat:
399 case vmIntrinsics::_getDouble:
400 case vmIntrinsics::_putObject:
401 case vmIntrinsics::_putBoolean:
402 case vmIntrinsics::_putByte:
403 case vmIntrinsics::_putShort:
404 case vmIntrinsics::_putChar:
405 case vmIntrinsics::_putInt:
406 case vmIntrinsics::_putLong:
407 case vmIntrinsics::_putFloat:
408 case vmIntrinsics::_putDouble:
409 case vmIntrinsics::_getByte_raw:
410 case vmIntrinsics::_getShort_raw:
411 case vmIntrinsics::_getChar_raw:
412 case vmIntrinsics::_getInt_raw:
413 case vmIntrinsics::_getLong_raw:
414 case vmIntrinsics::_getFloat_raw:
415 case vmIntrinsics::_getDouble_raw:
416 case vmIntrinsics::_getAddress_raw:
417 case vmIntrinsics::_putByte_raw:
418 case vmIntrinsics::_putShort_raw:
419 case vmIntrinsics::_putChar_raw:
420 case vmIntrinsics::_putInt_raw:
421 case vmIntrinsics::_putLong_raw:
422 case vmIntrinsics::_putFloat_raw:
423 case vmIntrinsics::_putDouble_raw:
424 case vmIntrinsics::_putAddress_raw:
425 case vmIntrinsics::_getObjectVolatile:
426 case vmIntrinsics::_getBooleanVolatile:
427 case vmIntrinsics::_getByteVolatile:
428 case vmIntrinsics::_getShortVolatile:
429 case vmIntrinsics::_getCharVolatile:
430 case vmIntrinsics::_getIntVolatile:
431 case vmIntrinsics::_getLongVolatile:
432 case vmIntrinsics::_getFloatVolatile:
433 case vmIntrinsics::_getDoubleVolatile:
434 case vmIntrinsics::_putObjectVolatile:
435 case vmIntrinsics::_putBooleanVolatile:
436 case vmIntrinsics::_putByteVolatile:
437 case vmIntrinsics::_putShortVolatile:
438 case vmIntrinsics::_putCharVolatile:
439 case vmIntrinsics::_putIntVolatile:
440 case vmIntrinsics::_putLongVolatile:
441 case vmIntrinsics::_putFloatVolatile:
442 case vmIntrinsics::_putDoubleVolatile:
443 case vmIntrinsics::_getObjectAcquire:
444 case vmIntrinsics::_getBooleanAcquire:
445 case vmIntrinsics::_getByteAcquire:
446 case vmIntrinsics::_getShortAcquire:
447 case vmIntrinsics::_getCharAcquire:
448 case vmIntrinsics::_getIntAcquire:
449 case vmIntrinsics::_getLongAcquire:
450 case vmIntrinsics::_getFloatAcquire:
451 case vmIntrinsics::_getDoubleAcquire:
452 case vmIntrinsics::_putObjectRelease:
453 case vmIntrinsics::_putBooleanRelease:
454 case vmIntrinsics::_putByteRelease:
455 case vmIntrinsics::_putShortRelease:
456 case vmIntrinsics::_putCharRelease:
457 case vmIntrinsics::_putIntRelease:
458 case vmIntrinsics::_putLongRelease:
459 case vmIntrinsics::_putFloatRelease:
460 case vmIntrinsics::_putDoubleRelease:
461 case vmIntrinsics::_getObjectOpaque:
462 case vmIntrinsics::_getBooleanOpaque:
463 case vmIntrinsics::_getByteOpaque:
464 case vmIntrinsics::_getShortOpaque:
465 case vmIntrinsics::_getCharOpaque:
466 case vmIntrinsics::_getIntOpaque:
467 case vmIntrinsics::_getLongOpaque:
468 case vmIntrinsics::_getFloatOpaque:
469 case vmIntrinsics::_getDoubleOpaque:
470 case vmIntrinsics::_putObjectOpaque:
471 case vmIntrinsics::_putBooleanOpaque:
472 case vmIntrinsics::_putByteOpaque:
473 case vmIntrinsics::_putShortOpaque:
474 case vmIntrinsics::_putCharOpaque:
475 case vmIntrinsics::_putIntOpaque:
476 case vmIntrinsics::_putLongOpaque:
477 case vmIntrinsics::_putFloatOpaque:
478 case vmIntrinsics::_putDoubleOpaque:
479 case vmIntrinsics::_getShortUnaligned:
480 case vmIntrinsics::_getCharUnaligned:
481 case vmIntrinsics::_getIntUnaligned:
482 case vmIntrinsics::_getLongUnaligned:
483 case vmIntrinsics::_putShortUnaligned:
484 case vmIntrinsics::_putCharUnaligned:
485 case vmIntrinsics::_putIntUnaligned:
486 case vmIntrinsics::_putLongUnaligned:
487 case vmIntrinsics::_putOrderedObject:
488 case vmIntrinsics::_putOrderedInt:
489 case vmIntrinsics::_putOrderedLong:
490 case vmIntrinsics::_loadFence:
491 case vmIntrinsics::_storeFence:
492 case vmIntrinsics::_fullFence:
493 case vmIntrinsics::_currentThread:
494 case vmIntrinsics::_isInterrupted:
495 #ifdef TRACE_HAVE_INTRINSICS
496 case vmIntrinsics::_classID:
497 case vmIntrinsics::_threadID:
498 case vmIntrinsics::_counterTime:
499 #endif
500 case vmIntrinsics::_currentTimeMillis:
501 case vmIntrinsics::_nanoTime:
502 case vmIntrinsics::_allocateInstance:
503 case vmIntrinsics::_newArray:
504 case vmIntrinsics::_getLength:
505 case vmIntrinsics::_copyOf:
506 case vmIntrinsics::_copyOfRange:
507 case vmIntrinsics::_clone:
508 case vmIntrinsics::_isAssignableFrom:
509 case vmIntrinsics::_isInstance:
510 case vmIntrinsics::_getModifiers:
511 case vmIntrinsics::_isInterface:
512 case vmIntrinsics::_isArray:
513 case vmIntrinsics::_isPrimitive:
514 case vmIntrinsics::_getSuperclass:
515 case vmIntrinsics::_getClassAccessFlags:
516 case vmIntrinsics::_floatToRawIntBits:
517 case vmIntrinsics::_floatToIntBits:
518 case vmIntrinsics::_intBitsToFloat:
519 case vmIntrinsics::_doubleToRawLongBits:
520 case vmIntrinsics::_doubleToLongBits:
521 case vmIntrinsics::_longBitsToDouble:
522 case vmIntrinsics::_Reference_get:
523 case vmIntrinsics::_Class_cast:
524 case vmIntrinsics::_aescrypt_encryptBlock:
525 case vmIntrinsics::_aescrypt_decryptBlock:
526 case vmIntrinsics::_cipherBlockChaining_encryptAESCrypt:
527 case vmIntrinsics::_cipherBlockChaining_decryptAESCrypt:
528 case vmIntrinsics::_counterMode_AESCrypt:
529 case vmIntrinsics::_sha_implCompress:
530 case vmIntrinsics::_sha2_implCompress:
531 case vmIntrinsics::_sha5_implCompress:
532 case vmIntrinsics::_digestBase_implCompressMB:
533 case vmIntrinsics::_multiplyToLen:
534 case vmIntrinsics::_squareToLen:
535 case vmIntrinsics::_mulAdd:
536 case vmIntrinsics::_montgomeryMultiply:
537 case vmIntrinsics::_montgomerySquare:
538 case vmIntrinsics::_vectorizedMismatch:
539 case vmIntrinsics::_ghash_processBlocks:
540 case vmIntrinsics::_updateCRC32:
541 case vmIntrinsics::_updateBytesCRC32:
542 case vmIntrinsics::_updateByteBufferCRC32:
543 case vmIntrinsics::_updateBytesCRC32C:
544 case vmIntrinsics::_updateDirectByteBufferCRC32C:
545 case vmIntrinsics::_updateBytesAdler32:
546 case vmIntrinsics::_updateByteBufferAdler32:
547 case vmIntrinsics::_profileBoolean:
548 case vmIntrinsics::_isCompileConstant:
549 case vmIntrinsics::_Objects_checkIndex:
550 break;
551 default:
552 return false;
553 }
554 return true;
555 }
556
557 int C2Compiler::initial_code_buffer_size() {
558 assert(SegmentedCodeCache, "Should be only used with a segmented code cache");
559 return Compile::MAX_inst_size + Compile::MAX_locs_size + initial_const_capacity;
560 }