1 /*
2 * Copyright (c) 2000, 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 "c1/c1_CodeStubs.hpp"
27 #include "c1/c1_InstructionPrinter.hpp"
28 #include "c1/c1_LIR.hpp"
29 #include "c1/c1_LIRAssembler.hpp"
30 #include "c1/c1_ValueStack.hpp"
31 #include "ci/ciInstance.hpp"
32 #include "runtime/safepointMechanism.inline.hpp"
33 #include "runtime/sharedRuntime.hpp"
34 #include "runtime/vm_version.hpp"
35
36 Register LIR_Opr::as_register() const {
37 return FrameMap::cpu_rnr2reg(cpu_regnr());
38 }
39
40 Register LIR_Opr::as_register_lo() const {
41 return FrameMap::cpu_rnr2reg(cpu_regnrLo());
42 }
43
44 Register LIR_Opr::as_register_hi() const {
45 return FrameMap::cpu_rnr2reg(cpu_regnrHi());
46 }
47
48 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
49 LIR_Opr LIR_OprFact::nullOpr = LIR_Opr();
50
51 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
52 ValueTag tag = type->tag();
53 switch (tag) {
54 case metaDataTag : {
55 ClassConstant* c = type->as_ClassConstant();
56 if (c != nullptr && !c->value()->is_loaded()) {
57 return LIR_OprFact::metadataConst(nullptr);
58 } else if (c != nullptr) {
59 return LIR_OprFact::metadataConst(c->value()->constant_encoding());
60 } else {
61 MethodConstant* m = type->as_MethodConstant();
62 assert (m != nullptr, "not a class or a method?");
63 return LIR_OprFact::metadataConst(m->value()->constant_encoding());
64 }
65 }
66 case objectTag : {
67 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
68 }
69 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
70 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value());
71 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
72 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value());
73 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
74 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
75 }
76 }
77
78
79 //---------------------------------------------------
80
81
82 LIR_Address::Scale LIR_Address::scale(BasicType type) {
83 int elem_size = type2aelembytes(type);
84 switch (elem_size) {
85 case 1: return LIR_Address::times_1;
86 case 2: return LIR_Address::times_2;
87 case 4: return LIR_Address::times_4;
88 case 8: return LIR_Address::times_8;
89 }
90 ShouldNotReachHere();
91 return LIR_Address::times_1;
92 }
93
94 //---------------------------------------------------
95
96 char LIR_Opr::type_char(BasicType t) {
97 switch (t) {
98 case T_ARRAY:
99 t = T_OBJECT;
100 case T_BOOLEAN:
101 case T_CHAR:
102 case T_FLOAT:
103 case T_DOUBLE:
104 case T_BYTE:
105 case T_SHORT:
106 case T_INT:
107 case T_LONG:
108 case T_OBJECT:
109 case T_ADDRESS:
110 case T_VOID:
111 return ::type2char(t);
112 case T_METADATA:
113 return 'M';
114 case T_ILLEGAL:
115 return '?';
116
117 default:
118 ShouldNotReachHere();
119 return '?';
120 }
121 }
122
123 #ifndef PRODUCT
124 void LIR_Opr::validate_type() const {
125
126 #ifdef ASSERT
127 if (!is_pointer() && !is_illegal()) {
128 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160
129 switch (as_BasicType(type_field())) {
130 case T_LONG:
131 assert((kindfield == cpu_register || kindfield == stack_value) &&
132 size_field() == double_size, "must match");
133 break;
134 case T_FLOAT:
135 // FP return values can be also in CPU registers on ARM (softfp ABI)
136 assert((kindfield == fpu_register || kindfield == stack_value
137 ARM_ONLY(|| kindfield == cpu_register) ) &&
138 size_field() == single_size, "must match");
139 break;
140 case T_DOUBLE:
141 // FP return values can be also in CPU registers on ARM (softfp ABI)
142 assert((kindfield == fpu_register || kindfield == stack_value
143 ARM_ONLY(|| kindfield == cpu_register) ) &&
144 size_field() == double_size, "must match");
145 break;
146 case T_BOOLEAN:
147 case T_CHAR:
148 case T_BYTE:
149 case T_SHORT:
150 case T_INT:
151 case T_ADDRESS:
152 case T_OBJECT:
153 case T_METADATA:
154 case T_ARRAY:
155 assert((kindfield == cpu_register || kindfield == stack_value) &&
156 size_field() == single_size, "must match");
157 break;
158
159 case T_ILLEGAL:
160 // XXX TKR also means unknown right now
161 // assert(is_illegal(), "must match");
162 break;
163
164 default:
165 ShouldNotReachHere();
166 }
167 }
168 #endif
169
170 }
171 #endif // PRODUCT
172
173
174 bool LIR_Opr::is_oop() const {
175 if (is_pointer()) {
176 return pointer()->is_oop_pointer();
177 } else {
178 OprType t= type_field();
179 assert(t != unknown_type, "not set");
180 return t == object_type;
181 }
182 }
183
184
185
186 void LIR_Op2::verify() const {
187 #ifdef ASSERT
188 switch (code()) {
189 case lir_xchg:
190 break;
191
192 default:
193 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
194 "can't produce oops from arith");
195 }
196
197 if (two_operand_lir_form) {
198
199 bool threeOperandForm = false;
200 #ifdef S390
201 // There are 3 operand shifts on S390 (see LIR_Assembler::shift_op()).
202 threeOperandForm =
203 code() == lir_shl ||
204 ((code() == lir_shr || code() == lir_ushr) && (result_opr()->is_double_cpu() || in_opr1()->type() == T_OBJECT));
205 #endif
206
207 switch (code()) {
208 case lir_add:
209 case lir_sub:
210 case lir_mul:
211 case lir_div:
212 case lir_rem:
213 case lir_logic_and:
214 case lir_logic_or:
215 case lir_logic_xor:
216 case lir_shl:
217 case lir_shr:
218 assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match");
219 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
220 break;
221
222 // special handling for lir_ushr because of write barriers
223 case lir_ushr:
224 assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant");
225 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
226 break;
227
228 default:
229 break;
230 }
231 }
232 #endif
233 }
234
235
236 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block)
237 : LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
238 , _label(block->label())
239 , _block(block)
240 , _ublock(nullptr)
241 , _stub(nullptr) {
242 }
243
244 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, CodeStub* stub) :
245 LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
246 , _label(stub->entry())
247 , _block(nullptr)
248 , _ublock(nullptr)
249 , _stub(stub) {
250 }
251
252 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block, BlockBegin* ublock)
253 : LIR_Op2(lir_cond_float_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
254 , _label(block->label())
255 , _block(block)
256 , _ublock(ublock)
257 , _stub(nullptr)
258 {
259 }
260
261 void LIR_OpBranch::change_block(BlockBegin* b) {
262 assert(_block != nullptr, "must have old block");
263 assert(_block->label() == label(), "must be equal");
264
265 _block = b;
266 _label = b->label();
267 }
268
269 void LIR_OpBranch::change_ublock(BlockBegin* b) {
270 assert(_ublock != nullptr, "must have old block");
271 _ublock = b;
272 }
273
274 void LIR_OpBranch::negate_cond() {
275 switch (cond()) {
276 case lir_cond_equal: set_cond(lir_cond_notEqual); break;
277 case lir_cond_notEqual: set_cond(lir_cond_equal); break;
278 case lir_cond_less: set_cond(lir_cond_greaterEqual); break;
279 case lir_cond_lessEqual: set_cond(lir_cond_greater); break;
280 case lir_cond_greaterEqual: set_cond(lir_cond_less); break;
281 case lir_cond_greater: set_cond(lir_cond_lessEqual); break;
282 default: ShouldNotReachHere();
283 }
284 }
285
286
287 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
288 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
289 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
290 CodeStub* stub)
291
292 : LIR_Op(code, result, nullptr)
293 , _object(object)
294 , _array(LIR_OprFact::illegalOpr)
295 , _klass(klass)
296 , _tmp1(tmp1)
297 , _tmp2(tmp2)
298 , _tmp3(tmp3)
299 , _info_for_patch(info_for_patch)
300 , _info_for_exception(info_for_exception)
301 , _stub(stub)
302 , _profiled_method(nullptr)
303 , _profiled_bci(-1)
304 , _should_profile(false)
305 , _fast_check(fast_check)
306 {
307 if (code == lir_checkcast) {
308 assert(info_for_exception != nullptr, "checkcast throws exceptions");
309 } else if (code == lir_instanceof) {
310 assert(info_for_exception == nullptr, "instanceof throws no exceptions");
311 } else {
312 ShouldNotReachHere();
313 }
314 }
315
316
317
318 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception)
319 : LIR_Op(code, LIR_OprFact::illegalOpr, nullptr)
320 , _object(object)
321 , _array(array)
322 , _klass(nullptr)
323 , _tmp1(tmp1)
324 , _tmp2(tmp2)
325 , _tmp3(tmp3)
326 , _info_for_patch(nullptr)
327 , _info_for_exception(info_for_exception)
328 , _stub(nullptr)
329 , _profiled_method(nullptr)
330 , _profiled_bci(-1)
331 , _should_profile(false)
332 , _fast_check(false)
333 {
334 if (code == lir_store_check) {
335 _stub = new ArrayStoreExceptionStub(object, info_for_exception);
336 assert(info_for_exception != nullptr, "store_check throws exceptions");
337 } else {
338 ShouldNotReachHere();
339 }
340 }
341
342
343 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
344 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
345 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
346 , _src(src)
347 , _src_pos(src_pos)
348 , _dst(dst)
349 , _dst_pos(dst_pos)
350 , _length(length)
351 , _tmp(tmp)
352 , _expected_type(expected_type)
353 , _flags(flags) {
354 #if defined(X86) || defined(AARCH64) || defined(S390) || defined(RISCV) || defined(PPC64)
355 if (expected_type != nullptr && flags == 0) {
356 _stub = nullptr;
357 } else {
358 _stub = new ArrayCopyStub(this);
359 }
360 #else
361 _stub = new ArrayCopyStub(this);
362 #endif
363 }
364
365 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
366 : LIR_Op(lir_updatecrc32, res, nullptr)
367 , _crc(crc)
368 , _val(val) {
369 }
370
371 //-------------------verify--------------------------
372
373 void LIR_Op1::verify() const {
374 switch(code()) {
375 case lir_move:
376 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
377 break;
378 case lir_null_check:
379 assert(in_opr()->is_register(), "must be");
380 break;
381 case lir_return:
382 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
383 break;
384 default:
385 break;
386 }
387 }
388
389 void LIR_OpRTCall::verify() const {
390 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
391 }
392
393 //-------------------visits--------------------------
394
395 // complete rework of LIR instruction visitor.
396 // The virtual call for each instruction type is replaced by a big
397 // switch that adds the operands for each instruction
398
399 void LIR_OpVisitState::visit(LIR_Op* op) {
400 // copy information from the LIR_Op
401 reset();
402 set_op(op);
403
404 switch (op->code()) {
405
406 // LIR_Op0
407 case lir_fpop_raw: // result and info always invalid
408 case lir_breakpoint: // result and info always invalid
409 case lir_membar: // result and info always invalid
410 case lir_membar_acquire: // result and info always invalid
411 case lir_membar_release: // result and info always invalid
412 case lir_membar_loadload: // result and info always invalid
413 case lir_membar_storestore: // result and info always invalid
414 case lir_membar_loadstore: // result and info always invalid
415 case lir_membar_storeload: // result and info always invalid
416 case lir_on_spin_wait:
417 {
418 assert(op->as_Op0() != nullptr, "must be");
419 assert(op->_info == nullptr, "info not used by this instruction");
420 assert(op->_result->is_illegal(), "not used");
421 break;
422 }
423
424 case lir_nop: // may have info, result always invalid
425 case lir_std_entry: // may have result, info always invalid
426 case lir_osr_entry: // may have result, info always invalid
427 case lir_get_thread: // may have result, info always invalid
428 {
429 assert(op->as_Op0() != nullptr, "must be");
430 if (op->_info != nullptr) do_info(op->_info);
431 if (op->_result->is_valid()) do_output(op->_result);
432 break;
433 }
434
435
436 // LIR_OpLabel
437 case lir_label: // result and info always invalid
438 {
439 assert(op->as_OpLabel() != nullptr, "must be");
440 assert(op->_info == nullptr, "info not used by this instruction");
441 assert(op->_result->is_illegal(), "not used");
442 break;
443 }
444
445
446 // LIR_Op1
447 case lir_fxch: // input always valid, result and info always invalid
448 case lir_fld: // input always valid, result and info always invalid
449 case lir_push: // input always valid, result and info always invalid
450 case lir_pop: // input always valid, result and info always invalid
451 case lir_leal: // input and result always valid, info always invalid
452 case lir_monaddr: // input and result always valid, info always invalid
453 case lir_null_check: // input and info always valid, result always invalid
454 case lir_move: // input and result always valid, may have info
455 {
456 assert(op->as_Op1() != nullptr, "must be");
457 LIR_Op1* op1 = (LIR_Op1*)op;
458
459 if (op1->_info) do_info(op1->_info);
460 if (op1->_opr->is_valid()) do_input(op1->_opr);
461 if (op1->_result->is_valid()) do_output(op1->_result);
462
463 break;
464 }
465
466 case lir_return:
467 {
468 assert(op->as_OpReturn() != nullptr, "must be");
469 LIR_OpReturn* op_ret = (LIR_OpReturn*)op;
470
471 if (op_ret->_info) do_info(op_ret->_info);
472 if (op_ret->_opr->is_valid()) do_input(op_ret->_opr);
473 if (op_ret->_result->is_valid()) do_output(op_ret->_result);
474 if (op_ret->stub() != nullptr) do_stub(op_ret->stub());
475
476 break;
477 }
478
479 case lir_safepoint:
480 {
481 assert(op->as_Op1() != nullptr, "must be");
482 LIR_Op1* op1 = (LIR_Op1*)op;
483
484 assert(op1->_info != nullptr, ""); do_info(op1->_info);
485 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register
486 assert(op1->_result->is_illegal(), "safepoint does not produce value");
487
488 break;
489 }
490
491 // LIR_OpConvert;
492 case lir_convert: // input and result always valid, info always invalid
493 {
494 assert(op->as_OpConvert() != nullptr, "must be");
495 LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
496
497 assert(opConvert->_info == nullptr, "must be");
498 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr);
499 if (opConvert->_result->is_valid()) do_output(opConvert->_result);
500 do_stub(opConvert->_stub);
501
502 break;
503 }
504
505 // LIR_OpBranch;
506 case lir_branch: // may have info, input and result register always invalid
507 case lir_cond_float_branch: // may have info, input and result register always invalid
508 {
509 assert(op->as_OpBranch() != nullptr, "must be");
510 LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
511
512 assert(opBranch->_tmp1->is_illegal() && opBranch->_tmp2->is_illegal() &&
513 opBranch->_tmp3->is_illegal() && opBranch->_tmp4->is_illegal() &&
514 opBranch->_tmp5->is_illegal(), "not used");
515
516 if (opBranch->_opr1->is_valid()) do_input(opBranch->_opr1);
517 if (opBranch->_opr2->is_valid()) do_input(opBranch->_opr2);
518
519 if (opBranch->_info != nullptr) do_info(opBranch->_info);
520 assert(opBranch->_result->is_illegal(), "not used");
521 if (opBranch->_stub != nullptr) opBranch->stub()->visit(this);
522
523 break;
524 }
525
526
527 // LIR_OpAllocObj
528 case lir_alloc_object:
529 {
530 assert(op->as_OpAllocObj() != nullptr, "must be");
531 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
532
533 if (opAllocObj->_info) do_info(opAllocObj->_info);
534 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr);
535 do_temp(opAllocObj->_opr);
536 }
537 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1);
538 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2);
539 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3);
540 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4);
541 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result);
542 if (opAllocObj->_stub != nullptr) do_stub(opAllocObj->_stub);
543 break;
544 }
545
546
547 // LIR_OpRoundFP;
548 case lir_roundfp: {
549 assert(op->as_OpRoundFP() != nullptr, "must be");
550 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
551
552 assert(op->_info == nullptr, "info not used by this instruction");
553 assert(opRoundFP->_tmp->is_illegal(), "not used");
554 do_input(opRoundFP->_opr);
555 do_output(opRoundFP->_result);
556
557 break;
558 }
559
560
561 // LIR_Op2
562 case lir_cmp:
563 case lir_cmp_l2i:
564 case lir_ucmp_fd2i:
565 case lir_cmp_fd2i:
566 case lir_add:
567 case lir_sub:
568 case lir_rem:
569 case lir_sqrt:
570 case lir_abs:
571 case lir_neg:
572 case lir_f2hf:
573 case lir_hf2f:
574 case lir_logic_and:
575 case lir_logic_or:
576 case lir_logic_xor:
577 case lir_shl:
578 case lir_shr:
579 case lir_ushr:
580 case lir_xadd:
581 case lir_xchg:
582 case lir_assert:
583 {
584 assert(op->as_Op2() != nullptr, "must be");
585 LIR_Op2* op2 = (LIR_Op2*)op;
586 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
587 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
588
589 if (op2->_info) do_info(op2->_info);
590 if (op2->_opr1->is_valid()) do_input(op2->_opr1);
591 if (op2->_opr2->is_valid()) do_input(op2->_opr2);
592 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
593 if (op2->_result->is_valid()) do_output(op2->_result);
594 if (op->code() == lir_xchg || op->code() == lir_xadd) {
595 // on ARM and PPC, return value is loaded first so could
596 // destroy inputs. On other platforms that implement those
597 // (x86, sparc), the extra constrainsts are harmless.
598 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
599 if (op2->_opr2->is_valid()) do_temp(op2->_opr2);
600 }
601
602 break;
603 }
604
605 // special handling for cmove: right input operand must not be equal
606 // to the result operand, otherwise the backend fails
607 case lir_cmove:
608 {
609 assert(op->as_Op4() != nullptr, "must be");
610 LIR_Op4* op4 = (LIR_Op4*)op;
611
612 assert(op4->_info == nullptr && op4->_tmp1->is_illegal() && op4->_tmp2->is_illegal() &&
613 op4->_tmp3->is_illegal() && op4->_tmp4->is_illegal() && op4->_tmp5->is_illegal(), "not used");
614 assert(op4->_opr1->is_valid() && op4->_opr2->is_valid() && op4->_result->is_valid(), "used");
615
616 do_input(op4->_opr1);
617 do_input(op4->_opr2);
618 if (op4->_opr3->is_valid()) do_input(op4->_opr3);
619 if (op4->_opr4->is_valid()) do_input(op4->_opr4);
620 do_temp(op4->_opr2);
621 do_output(op4->_result);
622
623 break;
624 }
625
626 // vspecial handling for strict operations: register input operands
627 // as temp to guarantee that they do not overlap with other
628 // registers
629 case lir_mul:
630 case lir_div:
631 {
632 assert(op->as_Op2() != nullptr, "must be");
633 LIR_Op2* op2 = (LIR_Op2*)op;
634
635 assert(op2->_info == nullptr, "not used");
636 assert(op2->_opr1->is_valid(), "used");
637 assert(op2->_opr2->is_valid(), "used");
638 assert(op2->_result->is_valid(), "used");
639 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
640 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
641
642 do_input(op2->_opr1); do_temp(op2->_opr1);
643 do_input(op2->_opr2); do_temp(op2->_opr2);
644 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
645 do_output(op2->_result);
646
647 break;
648 }
649
650 case lir_throw: {
651 assert(op->as_Op2() != nullptr, "must be");
652 LIR_Op2* op2 = (LIR_Op2*)op;
653
654 if (op2->_info) do_info(op2->_info);
655 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
656 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter
657 assert(op2->_result->is_illegal(), "no result");
658 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
659 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
660
661 break;
662 }
663
664 case lir_unwind: {
665 assert(op->as_Op1() != nullptr, "must be");
666 LIR_Op1* op1 = (LIR_Op1*)op;
667
668 assert(op1->_info == nullptr, "no info");
669 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr);
670 assert(op1->_result->is_illegal(), "no result");
671
672 break;
673 }
674
675 // LIR_Op3
676 case lir_idiv:
677 case lir_irem: {
678 assert(op->as_Op3() != nullptr, "must be");
679 LIR_Op3* op3= (LIR_Op3*)op;
680
681 if (op3->_info) do_info(op3->_info);
682 if (op3->_opr1->is_valid()) do_input(op3->_opr1);
683
684 // second operand is input and temp, so ensure that second operand
685 // and third operand get not the same register
686 if (op3->_opr2->is_valid()) do_input(op3->_opr2);
687 if (op3->_opr2->is_valid()) do_temp(op3->_opr2);
688 if (op3->_opr3->is_valid()) do_temp(op3->_opr3);
689
690 if (op3->_result->is_valid()) do_output(op3->_result);
691
692 break;
693 }
694
695 case lir_fmad:
696 case lir_fmaf: {
697 assert(op->as_Op3() != nullptr, "must be");
698 LIR_Op3* op3= (LIR_Op3*)op;
699 assert(op3->_info == nullptr, "no info");
700 do_input(op3->_opr1);
701 do_input(op3->_opr2);
702 do_input(op3->_opr3);
703 do_output(op3->_result);
704 break;
705 }
706
707 // LIR_OpJavaCall
708 case lir_static_call:
709 case lir_optvirtual_call:
710 case lir_icvirtual_call:
711 case lir_dynamic_call: {
712 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
713 assert(opJavaCall != nullptr, "must be");
714
715 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver);
716
717 // only visit register parameters
718 int n = opJavaCall->_arguments->length();
719 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
720 if (!opJavaCall->_arguments->at(i)->is_pointer()) {
721 do_input(*opJavaCall->_arguments->adr_at(i));
722 }
723 }
724
725 if (opJavaCall->_info) do_info(opJavaCall->_info);
726 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr &&
727 opJavaCall->is_method_handle_invoke()) {
728 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
729 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
730 }
731 do_call();
732 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result);
733
734 break;
735 }
736
737
738 // LIR_OpRTCall
739 case lir_rtcall: {
740 assert(op->as_OpRTCall() != nullptr, "must be");
741 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
742
743 // only visit register parameters
744 int n = opRTCall->_arguments->length();
745 for (int i = 0; i < n; i++) {
746 if (!opRTCall->_arguments->at(i)->is_pointer()) {
747 do_input(*opRTCall->_arguments->adr_at(i));
748 }
749 }
750 if (opRTCall->_info) do_info(opRTCall->_info);
751 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp);
752 do_call();
753 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result);
754
755 break;
756 }
757
758
759 // LIR_OpArrayCopy
760 case lir_arraycopy: {
761 assert(op->as_OpArrayCopy() != nullptr, "must be");
762 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
763
764 assert(opArrayCopy->_result->is_illegal(), "unused");
765 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src);
766 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
767 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst);
768 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
769 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length);
770 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp);
771 if (opArrayCopy->_info) do_info(opArrayCopy->_info);
772
773 // the implementation of arraycopy always has a call into the runtime
774 do_call();
775
776 break;
777 }
778
779
780 // LIR_OpUpdateCRC32
781 case lir_updatecrc32: {
782 assert(op->as_OpUpdateCRC32() != nullptr, "must be");
783 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
784
785 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc);
786 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val);
787 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result);
788 assert(opUp->_info == nullptr, "no info for LIR_OpUpdateCRC32");
789
790 break;
791 }
792
793
794 // LIR_OpLock
795 case lir_lock:
796 case lir_unlock: {
797 assert(op->as_OpLock() != nullptr, "must be");
798 LIR_OpLock* opLock = (LIR_OpLock*)op;
799
800 if (opLock->_info) do_info(opLock->_info);
801
802 // TODO: check if these operands really have to be temp
803 // (or if input is sufficient). This may have influence on the oop map!
804 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
805 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
806 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
807
808 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
809 assert(opLock->_result->is_illegal(), "unused");
810
811 do_stub(opLock->_stub);
812
813 break;
814 }
815
816
817 // LIR_OpDelay
818 case lir_delay_slot: {
819 assert(op->as_OpDelay() != nullptr, "must be");
820 LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
821
822 visit(opDelay->delay_op());
823 break;
824 }
825
826 // LIR_OpTypeCheck
827 case lir_instanceof:
828 case lir_checkcast:
829 case lir_store_check: {
830 assert(op->as_OpTypeCheck() != nullptr, "must be");
831 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
832
833 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
834 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
835 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
836 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
837 do_temp(opTypeCheck->_object);
838 }
839 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
840 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
841 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
842 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
843 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
844 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
845 break;
846 }
847
848 // LIR_OpCompareAndSwap
849 case lir_cas_long:
850 case lir_cas_obj:
851 case lir_cas_int: {
852 assert(op->as_OpCompareAndSwap() != nullptr, "must be");
853 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
854
855 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
856 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
857 do_temp(opCmpAndSwap->_addr);
858 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
859 do_temp(opCmpAndSwap->_cmp_value);
860 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
861 do_temp(opCmpAndSwap->_new_value);
862 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
863 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
864 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
865
866 break;
867 }
868
869
870 // LIR_OpAllocArray;
871 case lir_alloc_array: {
872 assert(op->as_OpAllocArray() != nullptr, "must be");
873 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
874
875 if (opAllocArray->_info) do_info(opAllocArray->_info);
876 if (opAllocArray->_klass->is_valid()) { do_input(opAllocArray->_klass);
877 do_temp(opAllocArray->_klass);
878 }
879 if (opAllocArray->_len->is_valid()) { do_input(opAllocArray->_len);
880 do_temp(opAllocArray->_len);
881 }
882 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1);
883 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2);
884 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3);
885 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4);
886 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result);
887 if (opAllocArray->_stub != nullptr) do_stub(opAllocArray->_stub);
888 break;
889 }
890
891 // LIR_OpLoadKlass
892 case lir_load_klass:
893 {
894 LIR_OpLoadKlass* opLoadKlass = op->as_OpLoadKlass();
895 assert(opLoadKlass != nullptr, "must be");
896
897 do_input(opLoadKlass->_obj);
898 do_output(opLoadKlass->_result);
899 if (opLoadKlass->_info) do_info(opLoadKlass->_info);
900 break;
901 }
902
903
904 // LIR_OpProfileCall:
905 case lir_profile_call: {
906 assert(op->as_OpProfileCall() != nullptr, "must be");
907 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
908
909 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
910 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
911 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
912 break;
913 }
914
915 // LIR_OpProfileType:
916 case lir_profile_type: {
917 assert(op->as_OpProfileType() != nullptr, "must be");
918 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
919
920 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
921 do_input(opProfileType->_obj);
922 do_temp(opProfileType->_tmp);
923 break;
924 }
925 default:
926 op->visit(this);
927 }
928 }
929
930 void LIR_Op::visit(LIR_OpVisitState* state) {
931 ShouldNotReachHere();
932 }
933
934 void LIR_OpVisitState::do_stub(CodeStub* stub) {
935 if (stub != nullptr) {
936 stub->visit(this);
937 }
938 }
939
940 XHandlers* LIR_OpVisitState::all_xhandler() {
941 XHandlers* result = nullptr;
942
943 int i;
944 for (i = 0; i < info_count(); i++) {
945 if (info_at(i)->exception_handlers() != nullptr) {
946 result = info_at(i)->exception_handlers();
947 break;
948 }
949 }
950
951 #ifdef ASSERT
952 for (i = 0; i < info_count(); i++) {
953 assert(info_at(i)->exception_handlers() == nullptr ||
954 info_at(i)->exception_handlers() == result,
955 "only one xhandler list allowed per LIR-operation");
956 }
957 #endif
958
959 if (result != nullptr) {
960 return result;
961 } else {
962 return new XHandlers();
963 }
964
965 return result;
966 }
967
968
969 #ifdef ASSERT
970 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
971 visit(op);
972
973 return opr_count(inputMode) == 0 &&
974 opr_count(outputMode) == 0 &&
975 opr_count(tempMode) == 0 &&
976 info_count() == 0 &&
977 !has_call() &&
978 !has_slow_case();
979 }
980 #endif
981
982 // LIR_OpReturn
983 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
984 LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */),
985 _stub(nullptr) {
986 if (VM_Version::supports_stack_watermark_barrier()) {
987 _stub = new C1SafepointPollStub();
988 }
989 }
990
991 //---------------------------------------------------
992
993
994 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
995 masm->emit_call(this);
996 }
997
998 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
999 masm->emit_rtcall(this);
1000 }
1001
1002 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1003 masm->emit_opLabel(this);
1004 }
1005
1006 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1007 masm->emit_arraycopy(this);
1008 ArrayCopyStub* code_stub = stub();
1009 if (code_stub != nullptr) {
1010 masm->append_code_stub(code_stub);
1011 }
1012 }
1013
1014 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1015 masm->emit_updatecrc32(this);
1016 }
1017
1018 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1019 masm->emit_op0(this);
1020 }
1021
1022 void LIR_Op1::emit_code(LIR_Assembler* masm) {
1023 masm->emit_op1(this);
1024 }
1025
1026 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
1027 masm->emit_alloc_obj(this);
1028 masm->append_code_stub(stub());
1029 }
1030
1031 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
1032 masm->emit_opBranch(this);
1033 if (stub()) {
1034 masm->append_code_stub(stub());
1035 }
1036 }
1037
1038 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
1039 masm->emit_opConvert(this);
1040 if (stub() != nullptr) {
1041 masm->append_code_stub(stub());
1042 }
1043 }
1044
1045 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1046 masm->emit_op2(this);
1047 }
1048
1049 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1050 masm->emit_alloc_array(this);
1051 masm->append_code_stub(stub());
1052 }
1053
1054 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1055 masm->emit_opTypeCheck(this);
1056 if (stub()) {
1057 masm->append_code_stub(stub());
1058 }
1059 }
1060
1061 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1062 masm->emit_compare_and_swap(this);
1063 }
1064
1065 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1066 masm->emit_op3(this);
1067 }
1068
1069 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1070 masm->emit_op4(this);
1071 }
1072
1073 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1074 masm->emit_lock(this);
1075 if (stub()) {
1076 masm->append_code_stub(stub());
1077 }
1078 }
1079
1080 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1081 masm->emit_load_klass(this);
1082 }
1083
1084 #ifdef ASSERT
1085 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1086 masm->emit_assert(this);
1087 }
1088 #endif
1089
1090 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1091 masm->emit_delay(this);
1092 }
1093
1094 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1095 masm->emit_profile_call(this);
1096 }
1097
1098 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1099 masm->emit_profile_type(this);
1100 }
1101
1102 // LIR_List
1103 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1104 : _operations(8)
1105 , _compilation(compilation)
1106 #ifndef PRODUCT
1107 , _block(block)
1108 #endif
1109 #ifdef ASSERT
1110 , _file(nullptr)
1111 , _line(0)
1112 #endif
1113 #ifdef RISCV
1114 , _cmp_opr1(LIR_OprFact::illegalOpr)
1115 , _cmp_opr2(LIR_OprFact::illegalOpr)
1116 #endif
1117 { }
1118
1119
1120 #ifdef ASSERT
1121 void LIR_List::set_file_and_line(const char * file, int line) {
1122 const char * f = strrchr(file, '/');
1123 if (f == nullptr) f = strrchr(file, '\\');
1124 if (f == nullptr) {
1125 f = file;
1126 } else {
1127 f++;
1128 }
1129 _file = f;
1130 _line = line;
1131 }
1132 #endif
1133
1134 #ifdef RISCV
1135 void LIR_List::set_cmp_oprs(LIR_Op* op) {
1136 switch (op->code()) {
1137 case lir_cmp:
1138 _cmp_opr1 = op->as_Op2()->in_opr1();
1139 _cmp_opr2 = op->as_Op2()->in_opr2();
1140 break;
1141 case lir_branch: // fall through
1142 case lir_cond_float_branch:
1143 assert(op->as_OpBranch()->cond() == lir_cond_always ||
1144 (_cmp_opr1 != LIR_OprFact::illegalOpr && _cmp_opr2 != LIR_OprFact::illegalOpr),
1145 "conditional branches must have legal operands");
1146 if (op->as_OpBranch()->cond() != lir_cond_always) {
1147 op->as_Op2()->set_in_opr1(_cmp_opr1);
1148 op->as_Op2()->set_in_opr2(_cmp_opr2);
1149 }
1150 break;
1151 case lir_cmove:
1152 op->as_Op4()->set_in_opr3(_cmp_opr1);
1153 op->as_Op4()->set_in_opr4(_cmp_opr2);
1154 break;
1155 case lir_cas_long:
1156 case lir_cas_obj:
1157 case lir_cas_int:
1158 _cmp_opr1 = op->as_OpCompareAndSwap()->result_opr();
1159 _cmp_opr2 = LIR_OprFact::intConst(0);
1160 break;
1161 #if INCLUDE_ZGC
1162 case lir_xloadbarrier_test:
1163 _cmp_opr1 = FrameMap::as_opr(t1);
1164 _cmp_opr2 = LIR_OprFact::intConst(0);
1165 break;
1166 #endif
1167 default:
1168 break;
1169 }
1170 }
1171 #endif
1172
1173 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1174 assert(this == buffer->lir_list(), "wrong lir list");
1175 const int n = _operations.length();
1176
1177 if (buffer->number_of_ops() > 0) {
1178 // increase size of instructions list
1179 _operations.at_grow(n + buffer->number_of_ops() - 1, nullptr);
1180 // insert ops from buffer into instructions list
1181 int op_index = buffer->number_of_ops() - 1;
1182 int ip_index = buffer->number_of_insertion_points() - 1;
1183 int from_index = n - 1;
1184 int to_index = _operations.length() - 1;
1185 for (; ip_index >= 0; ip_index --) {
1186 int index = buffer->index_at(ip_index);
1187 // make room after insertion point
1188 while (index < from_index) {
1189 _operations.at_put(to_index --, _operations.at(from_index --));
1190 }
1191 // insert ops from buffer
1192 for (int i = buffer->count_at(ip_index); i > 0; i --) {
1193 _operations.at_put(to_index --, buffer->op_at(op_index --));
1194 }
1195 }
1196 }
1197
1198 buffer->finish();
1199 }
1200
1201
1202 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1203 assert(reg->type() == T_OBJECT, "bad reg");
1204 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info));
1205 }
1206
1207 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1208 assert(reg->type() == T_METADATA, "bad reg");
1209 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1210 }
1211
1212 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1213 append(new LIR_Op1(
1214 lir_move,
1215 LIR_OprFact::address(addr),
1216 src,
1217 addr->type(),
1218 patch_code,
1219 info));
1220 }
1221
1222
1223 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1224 append(new LIR_Op1(
1225 lir_move,
1226 LIR_OprFact::address(address),
1227 dst,
1228 address->type(),
1229 patch_code,
1230 info, lir_move_volatile));
1231 }
1232
1233 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1234 append(new LIR_Op1(
1235 lir_move,
1236 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1237 dst,
1238 type,
1239 patch_code,
1240 info, lir_move_volatile));
1241 }
1242
1243
1244 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1245 append(new LIR_Op1(
1246 lir_move,
1247 LIR_OprFact::intConst(v),
1248 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1249 type,
1250 patch_code,
1251 info));
1252 }
1253
1254
1255 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1256 append(new LIR_Op1(
1257 lir_move,
1258 LIR_OprFact::oopConst(o),
1259 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1260 type,
1261 patch_code,
1262 info));
1263 }
1264
1265
1266 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1267 append(new LIR_Op1(
1268 lir_move,
1269 src,
1270 LIR_OprFact::address(addr),
1271 addr->type(),
1272 patch_code,
1273 info));
1274 }
1275
1276
1277 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1278 append(new LIR_Op1(
1279 lir_move,
1280 src,
1281 LIR_OprFact::address(addr),
1282 addr->type(),
1283 patch_code,
1284 info,
1285 lir_move_volatile));
1286 }
1287
1288 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1289 append(new LIR_Op1(
1290 lir_move,
1291 src,
1292 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1293 type,
1294 patch_code,
1295 info, lir_move_volatile));
1296 }
1297
1298
1299 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1300 append(new LIR_Op3(
1301 lir_idiv,
1302 left,
1303 right,
1304 tmp,
1305 res,
1306 info));
1307 }
1308
1309
1310 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1311 append(new LIR_Op3(
1312 lir_idiv,
1313 left,
1314 LIR_OprFact::intConst(right),
1315 tmp,
1316 res,
1317 info));
1318 }
1319
1320
1321 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1322 append(new LIR_Op3(
1323 lir_irem,
1324 left,
1325 right,
1326 tmp,
1327 res,
1328 info));
1329 }
1330
1331
1332 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1333 append(new LIR_Op3(
1334 lir_irem,
1335 left,
1336 LIR_OprFact::intConst(right),
1337 tmp,
1338 res,
1339 info));
1340 }
1341
1342
1343 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1344 append(new LIR_Op2(
1345 lir_cmp,
1346 condition,
1347 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1348 LIR_OprFact::intConst(c),
1349 info));
1350 }
1351
1352
1353 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1354 append(new LIR_Op2(
1355 lir_cmp,
1356 condition,
1357 reg,
1358 LIR_OprFact::address(addr),
1359 info));
1360 }
1361
1362 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1363 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1364 append(new LIR_OpAllocObj(
1365 klass,
1366 dst,
1367 t1,
1368 t2,
1369 t3,
1370 t4,
1371 header_size,
1372 object_size,
1373 init_check,
1374 stub));
1375 }
1376
1377 void LIR_List::allocate_array(LIR_Opr dst, LIR_Opr len, LIR_Opr t1,LIR_Opr t2, LIR_Opr t3,LIR_Opr t4, BasicType type, LIR_Opr klass, CodeStub* stub, bool zero_array) {
1378 append(new LIR_OpAllocArray(
1379 klass,
1380 len,
1381 dst,
1382 t1,
1383 t2,
1384 t3,
1385 t4,
1386 type,
1387 stub,
1388 zero_array));
1389 }
1390
1391 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1392 append(new LIR_Op2(
1393 lir_shl,
1394 value,
1395 count,
1396 dst,
1397 tmp));
1398 }
1399
1400 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1401 append(new LIR_Op2(
1402 lir_shr,
1403 value,
1404 count,
1405 dst,
1406 tmp));
1407 }
1408
1409
1410 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1411 append(new LIR_Op2(
1412 lir_ushr,
1413 value,
1414 count,
1415 dst,
1416 tmp));
1417 }
1418
1419 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1420 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1421 left,
1422 right,
1423 dst));
1424 }
1425
1426 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1427 append(new LIR_OpLock(
1428 lir_lock,
1429 hdr,
1430 obj,
1431 lock,
1432 scratch,
1433 stub,
1434 info));
1435 }
1436
1437 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1438 append(new LIR_OpLock(
1439 lir_unlock,
1440 hdr,
1441 obj,
1442 lock,
1443 scratch,
1444 stub,
1445 nullptr));
1446 }
1447
1448
1449 void check_LIR() {
1450 // cannot do the proper checking as PRODUCT and other modes return different results
1451 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1452 }
1453
1454
1455
1456 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1457 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1458 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1459 ciMethod* profiled_method, int profiled_bci) {
1460 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1461 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
1462 if (profiled_method != nullptr) {
1463 c->set_profiled_method(profiled_method);
1464 c->set_profiled_bci(profiled_bci);
1465 c->set_should_profile(true);
1466 }
1467 append(c);
1468 }
1469
1470 void LIR_List::instanceof(LIR_Opr result, LIR_Opr object, ciKlass* klass, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, CodeEmitInfo* info_for_patch, ciMethod* profiled_method, int profiled_bci) {
1471 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, nullptr, info_for_patch, nullptr);
1472 if (profiled_method != nullptr) {
1473 c->set_profiled_method(profiled_method);
1474 c->set_profiled_bci(profiled_bci);
1475 c->set_should_profile(true);
1476 }
1477 append(c);
1478 }
1479
1480
1481 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1482 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1483 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1484 if (profiled_method != nullptr) {
1485 c->set_profiled_method(profiled_method);
1486 c->set_profiled_bci(profiled_bci);
1487 c->set_should_profile(true);
1488 }
1489 append(c);
1490 }
1491
1492 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1493 if (deoptimize_on_null) {
1494 // Emit an explicit null check and deoptimize if opr is null
1495 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1496 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr));
1497 branch(lir_cond_equal, deopt);
1498 } else {
1499 // Emit an implicit null check
1500 append(new LIR_Op1(lir_null_check, opr, info));
1501 }
1502 }
1503
1504 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1505 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1506 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1507 }
1508
1509 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1510 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1511 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1512 }
1513
1514 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1515 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1516 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1517 }
1518
1519
1520 #ifdef PRODUCT
1521
1522 void print_LIR(BlockList* blocks) {
1523 }
1524
1525 #else
1526 // LIR_Opr
1527 void LIR_Opr::print() const {
1528 print(tty);
1529 }
1530
1531 void LIR_Opr::print(outputStream* out) const {
1532 if (is_illegal()) {
1533 return;
1534 }
1535
1536 out->print("[");
1537 if (is_pointer()) {
1538 pointer()->print_value_on(out);
1539 } else if (is_single_stack()) {
1540 out->print("stack:%d", single_stack_ix());
1541 } else if (is_double_stack()) {
1542 out->print("dbl_stack:%d",double_stack_ix());
1543 } else if (is_virtual()) {
1544 out->print("R%d", vreg_number());
1545 } else if (is_single_cpu()) {
1546 out->print("%s", as_register()->name());
1547 } else if (is_double_cpu()) {
1548 out->print("%s", as_register_hi()->name());
1549 out->print("%s", as_register_lo()->name());
1550 #if defined(X86)
1551 } else if (is_single_xmm()) {
1552 out->print("%s", as_xmm_float_reg()->name());
1553 } else if (is_double_xmm()) {
1554 out->print("%s", as_xmm_double_reg()->name());
1555 } else if (is_single_fpu()) {
1556 out->print("fpu%d", fpu_regnr());
1557 } else if (is_double_fpu()) {
1558 out->print("fpu%d", fpu_regnrLo());
1559 #elif defined(AARCH64)
1560 } else if (is_single_fpu()) {
1561 out->print("fpu%d", fpu_regnr());
1562 } else if (is_double_fpu()) {
1563 out->print("fpu%d", fpu_regnrLo());
1564 #elif defined(ARM)
1565 } else if (is_single_fpu()) {
1566 out->print("s%d", fpu_regnr());
1567 } else if (is_double_fpu()) {
1568 out->print("d%d", fpu_regnrLo() >> 1);
1569 #else
1570 } else if (is_single_fpu()) {
1571 out->print("%s", as_float_reg()->name());
1572 } else if (is_double_fpu()) {
1573 out->print("%s", as_double_reg()->name());
1574 #endif
1575
1576 } else if (is_illegal()) {
1577 out->print("-");
1578 } else {
1579 out->print("Unknown Operand");
1580 }
1581 if (!is_illegal()) {
1582 out->print("|%c", type_char());
1583 }
1584 if (is_register() && is_last_use()) {
1585 out->print("(last_use)");
1586 }
1587 out->print("]");
1588 }
1589
1590
1591 // LIR_Address
1592 void LIR_Const::print_value_on(outputStream* out) const {
1593 switch (type()) {
1594 case T_ADDRESS:out->print("address:%d",as_jint()); break;
1595 case T_INT: out->print("int:%d", as_jint()); break;
1596 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1597 case T_FLOAT: out->print("flt:%f", as_jfloat()); break;
1598 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break;
1599 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break;
1600 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1601 default: out->print("%3d:" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1602 }
1603 }
1604
1605 // LIR_Address
1606 void LIR_Address::print_value_on(outputStream* out) const {
1607 out->print("Base:"); _base->print(out);
1608 if (!_index->is_illegal()) {
1609 out->print(" Index:"); _index->print(out);
1610 switch (scale()) {
1611 case times_1: break;
1612 case times_2: out->print(" * 2"); break;
1613 case times_4: out->print(" * 4"); break;
1614 case times_8: out->print(" * 8"); break;
1615 }
1616 }
1617 out->print(" Disp: " INTX_FORMAT, _disp);
1618 }
1619
1620 // debug output of block header without InstructionPrinter
1621 // (because phi functions are not necessary for LIR)
1622 static void print_block(BlockBegin* x) {
1623 // print block id
1624 BlockEnd* end = x->end();
1625 tty->print("B%d ", x->block_id());
1626
1627 // print flags
1628 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std ");
1629 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr ");
1630 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex ");
1631 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr ");
1632 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb ");
1633 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1634 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le ");
1635
1636 // print block bci range
1637 tty->print("[%d, %d] ", x->bci(), (end == nullptr ? -1 : end->printable_bci()));
1638
1639 // print predecessors and successors
1640 if (x->number_of_preds() > 0) {
1641 tty->print("preds: ");
1642 for (int i = 0; i < x->number_of_preds(); i ++) {
1643 tty->print("B%d ", x->pred_at(i)->block_id());
1644 }
1645 }
1646
1647 if (end != nullptr && x->number_of_sux() > 0) {
1648 tty->print("sux: ");
1649 for (int i = 0; i < x->number_of_sux(); i ++) {
1650 tty->print("B%d ", x->sux_at(i)->block_id());
1651 }
1652 }
1653
1654 // print exception handlers
1655 if (x->number_of_exception_handlers() > 0) {
1656 tty->print("xhandler: ");
1657 for (int i = 0; i < x->number_of_exception_handlers(); i++) {
1658 tty->print("B%d ", x->exception_handler_at(i)->block_id());
1659 }
1660 }
1661
1662 tty->cr();
1663 }
1664
1665 void print_LIR(BlockList* blocks) {
1666 tty->print_cr("LIR:");
1667 int i;
1668 for (i = 0; i < blocks->length(); i++) {
1669 BlockBegin* bb = blocks->at(i);
1670 print_block(bb);
1671 tty->print("__id_Instruction___________________________________________"); tty->cr();
1672 bb->lir()->print_instructions();
1673 }
1674 }
1675
1676 void LIR_List::print_instructions() {
1677 for (int i = 0; i < _operations.length(); i++) {
1678 _operations.at(i)->print(); tty->cr();
1679 }
1680 tty->cr();
1681 }
1682
1683 // LIR_Ops printing routines
1684 // LIR_Op
1685 void LIR_Op::print_on(outputStream* out) const {
1686 if (id() != -1 || PrintCFGToFile) {
1687 out->print("%4d ", id());
1688 } else {
1689 out->print(" ");
1690 }
1691 out->print("%s ", name());
1692 print_instr(out);
1693 if (info() != nullptr) out->print(" [bci:%d]", info()->stack()->bci());
1694 #ifdef ASSERT
1695 if (Verbose && _file != nullptr) {
1696 out->print(" (%s:%d)", _file, _line);
1697 }
1698 #endif
1699 }
1700
1701 const char * LIR_Op::name() const {
1702 const char* s = nullptr;
1703 switch(code()) {
1704 // LIR_Op0
1705 case lir_membar: s = "membar"; break;
1706 case lir_membar_acquire: s = "membar_acquire"; break;
1707 case lir_membar_release: s = "membar_release"; break;
1708 case lir_membar_loadload: s = "membar_loadload"; break;
1709 case lir_membar_storestore: s = "membar_storestore"; break;
1710 case lir_membar_loadstore: s = "membar_loadstore"; break;
1711 case lir_membar_storeload: s = "membar_storeload"; break;
1712 case lir_label: s = "label"; break;
1713 case lir_nop: s = "nop"; break;
1714 case lir_on_spin_wait: s = "on_spin_wait"; break;
1715 case lir_std_entry: s = "std_entry"; break;
1716 case lir_osr_entry: s = "osr_entry"; break;
1717 case lir_fpop_raw: s = "fpop_raw"; break;
1718 case lir_breakpoint: s = "breakpoint"; break;
1719 case lir_get_thread: s = "get_thread"; break;
1720 // LIR_Op1
1721 case lir_fxch: s = "fxch"; break;
1722 case lir_fld: s = "fld"; break;
1723 case lir_push: s = "push"; break;
1724 case lir_pop: s = "pop"; break;
1725 case lir_null_check: s = "null_check"; break;
1726 case lir_return: s = "return"; break;
1727 case lir_safepoint: s = "safepoint"; break;
1728 case lir_leal: s = "leal"; break;
1729 case lir_branch: s = "branch"; break;
1730 case lir_cond_float_branch: s = "flt_cond_br"; break;
1731 case lir_move: s = "move"; break;
1732 case lir_roundfp: s = "roundfp"; break;
1733 case lir_rtcall: s = "rtcall"; break;
1734 case lir_throw: s = "throw"; break;
1735 case lir_unwind: s = "unwind"; break;
1736 case lir_convert: s = "convert"; break;
1737 case lir_alloc_object: s = "alloc_obj"; break;
1738 case lir_monaddr: s = "mon_addr"; break;
1739 // LIR_Op2
1740 case lir_cmp: s = "cmp"; break;
1741 case lir_cmp_l2i: s = "cmp_l2i"; break;
1742 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break;
1743 case lir_cmp_fd2i: s = "comp_fd2i"; break;
1744 case lir_add: s = "add"; break;
1745 case lir_sub: s = "sub"; break;
1746 case lir_mul: s = "mul"; break;
1747 case lir_div: s = "div"; break;
1748 case lir_rem: s = "rem"; break;
1749 case lir_abs: s = "abs"; break;
1750 case lir_neg: s = "neg"; break;
1751 case lir_sqrt: s = "sqrt"; break;
1752 case lir_f2hf: s = "f2hf"; break;
1753 case lir_hf2f: s = "hf2f"; break;
1754 case lir_logic_and: s = "logic_and"; break;
1755 case lir_logic_or: s = "logic_or"; break;
1756 case lir_logic_xor: s = "logic_xor"; break;
1757 case lir_shl: s = "shift_left"; break;
1758 case lir_shr: s = "shift_right"; break;
1759 case lir_ushr: s = "ushift_right"; break;
1760 case lir_alloc_array: s = "alloc_array"; break;
1761 case lir_xadd: s = "xadd"; break;
1762 case lir_xchg: s = "xchg"; break;
1763 // LIR_Op3
1764 case lir_idiv: s = "idiv"; break;
1765 case lir_irem: s = "irem"; break;
1766 case lir_fmad: s = "fmad"; break;
1767 case lir_fmaf: s = "fmaf"; break;
1768 // LIR_Op4
1769 case lir_cmove: s = "cmove"; break;
1770 // LIR_OpJavaCall
1771 case lir_static_call: s = "static"; break;
1772 case lir_optvirtual_call: s = "optvirtual"; break;
1773 case lir_icvirtual_call: s = "icvirtual"; break;
1774 case lir_dynamic_call: s = "dynamic"; break;
1775 // LIR_OpArrayCopy
1776 case lir_arraycopy: s = "arraycopy"; break;
1777 // LIR_OpUpdateCRC32
1778 case lir_updatecrc32: s = "updatecrc32"; break;
1779 // LIR_OpLock
1780 case lir_lock: s = "lock"; break;
1781 case lir_unlock: s = "unlock"; break;
1782 // LIR_OpDelay
1783 case lir_delay_slot: s = "delay"; break;
1784 // LIR_OpTypeCheck
1785 case lir_instanceof: s = "instanceof"; break;
1786 case lir_checkcast: s = "checkcast"; break;
1787 case lir_store_check: s = "store_check"; break;
1788 // LIR_OpCompareAndSwap
1789 case lir_cas_long: s = "cas_long"; break;
1790 case lir_cas_obj: s = "cas_obj"; break;
1791 case lir_cas_int: s = "cas_int"; break;
1792 // LIR_OpProfileCall
1793 case lir_profile_call: s = "profile_call"; break;
1794 // LIR_OpProfileType
1795 case lir_profile_type: s = "profile_type"; break;
1796 // LIR_OpAssert
1797 #ifdef ASSERT
1798 case lir_assert: s = "assert"; break;
1799 #endif
1800 case lir_none: ShouldNotReachHere();break;
1801 default: s = "illegal_op"; break;
1802 }
1803 return s;
1804 }
1805
1806 // LIR_OpJavaCall
1807 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1808 out->print("call: ");
1809 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1810 if (receiver()->is_valid()) {
1811 out->print(" [recv: "); receiver()->print(out); out->print("]");
1812 }
1813 if (result_opr()->is_valid()) {
1814 out->print(" [result: "); result_opr()->print(out); out->print("]");
1815 }
1816 }
1817
1818 // LIR_OpLabel
1819 void LIR_OpLabel::print_instr(outputStream* out) const {
1820 out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1821 }
1822
1823 // LIR_OpArrayCopy
1824 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1825 src()->print(out); out->print(" ");
1826 src_pos()->print(out); out->print(" ");
1827 dst()->print(out); out->print(" ");
1828 dst_pos()->print(out); out->print(" ");
1829 length()->print(out); out->print(" ");
1830 tmp()->print(out); out->print(" ");
1831 }
1832
1833 // LIR_OpUpdateCRC32
1834 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1835 crc()->print(out); out->print(" ");
1836 val()->print(out); out->print(" ");
1837 result_opr()->print(out); out->print(" ");
1838 }
1839
1840 // LIR_OpCompareAndSwap
1841 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1842 addr()->print(out); out->print(" ");
1843 cmp_value()->print(out); out->print(" ");
1844 new_value()->print(out); out->print(" ");
1845 tmp1()->print(out); out->print(" ");
1846 tmp2()->print(out); out->print(" ");
1847
1848 }
1849
1850 // LIR_Op0
1851 void LIR_Op0::print_instr(outputStream* out) const {
1852 result_opr()->print(out);
1853 }
1854
1855 // LIR_Op1
1856 const char * LIR_Op1::name() const {
1857 if (code() == lir_move) {
1858 switch (move_kind()) {
1859 case lir_move_normal:
1860 return "move";
1861 case lir_move_volatile:
1862 return "volatile_move";
1863 case lir_move_wide:
1864 return "wide_move";
1865 default:
1866 ShouldNotReachHere();
1867 return "illegal_op";
1868 }
1869 } else {
1870 return LIR_Op::name();
1871 }
1872 }
1873
1874
1875 void LIR_Op1::print_instr(outputStream* out) const {
1876 _opr->print(out); out->print(" ");
1877 result_opr()->print(out); out->print(" ");
1878 print_patch_code(out, patch_code());
1879 }
1880
1881
1882 // LIR_Op1
1883 void LIR_OpRTCall::print_instr(outputStream* out) const {
1884 intx a = (intx)addr();
1885 out->print("%s", Runtime1::name_for_address(addr()));
1886 out->print(" ");
1887 tmp()->print(out);
1888 }
1889
1890 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
1891 switch(code) {
1892 case lir_patch_none: break;
1893 case lir_patch_low: out->print("[patch_low]"); break;
1894 case lir_patch_high: out->print("[patch_high]"); break;
1895 case lir_patch_normal: out->print("[patch_normal]"); break;
1896 default: ShouldNotReachHere();
1897 }
1898 }
1899
1900 // LIR_OpBranch
1901 void LIR_OpBranch::print_instr(outputStream* out) const {
1902 print_condition(out, cond()); out->print(" ");
1903 in_opr1()->print(out); out->print(" ");
1904 in_opr2()->print(out); out->print(" ");
1905 if (block() != nullptr) {
1906 out->print("[B%d] ", block()->block_id());
1907 } else if (stub() != nullptr) {
1908 out->print("[");
1909 stub()->print_name(out);
1910 out->print(": " INTPTR_FORMAT "]", p2i(stub()));
1911 if (stub()->info() != nullptr) out->print(" [bci:%d]", stub()->info()->stack()->bci());
1912 } else {
1913 out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
1914 }
1915 if (ublock() != nullptr) {
1916 out->print("unordered: [B%d] ", ublock()->block_id());
1917 }
1918 }
1919
1920 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
1921 switch(cond) {
1922 case lir_cond_equal: out->print("[EQ]"); break;
1923 case lir_cond_notEqual: out->print("[NE]"); break;
1924 case lir_cond_less: out->print("[LT]"); break;
1925 case lir_cond_lessEqual: out->print("[LE]"); break;
1926 case lir_cond_greaterEqual: out->print("[GE]"); break;
1927 case lir_cond_greater: out->print("[GT]"); break;
1928 case lir_cond_belowEqual: out->print("[BE]"); break;
1929 case lir_cond_aboveEqual: out->print("[AE]"); break;
1930 case lir_cond_always: out->print("[AL]"); break;
1931 default: out->print("[%d]",cond); break;
1932 }
1933 }
1934
1935 // LIR_OpConvert
1936 void LIR_OpConvert::print_instr(outputStream* out) const {
1937 print_bytecode(out, bytecode());
1938 in_opr()->print(out); out->print(" ");
1939 result_opr()->print(out); out->print(" ");
1940 }
1941
1942 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
1943 switch(code) {
1944 case Bytecodes::_d2f: out->print("[d2f] "); break;
1945 case Bytecodes::_d2i: out->print("[d2i] "); break;
1946 case Bytecodes::_d2l: out->print("[d2l] "); break;
1947 case Bytecodes::_f2d: out->print("[f2d] "); break;
1948 case Bytecodes::_f2i: out->print("[f2i] "); break;
1949 case Bytecodes::_f2l: out->print("[f2l] "); break;
1950 case Bytecodes::_i2b: out->print("[i2b] "); break;
1951 case Bytecodes::_i2c: out->print("[i2c] "); break;
1952 case Bytecodes::_i2d: out->print("[i2d] "); break;
1953 case Bytecodes::_i2f: out->print("[i2f] "); break;
1954 case Bytecodes::_i2l: out->print("[i2l] "); break;
1955 case Bytecodes::_i2s: out->print("[i2s] "); break;
1956 case Bytecodes::_l2i: out->print("[l2i] "); break;
1957 case Bytecodes::_l2f: out->print("[l2f] "); break;
1958 case Bytecodes::_l2d: out->print("[l2d] "); break;
1959 default:
1960 out->print("[?%d]",code);
1961 break;
1962 }
1963 }
1964
1965 void LIR_OpAllocObj::print_instr(outputStream* out) const {
1966 klass()->print(out); out->print(" ");
1967 obj()->print(out); out->print(" ");
1968 tmp1()->print(out); out->print(" ");
1969 tmp2()->print(out); out->print(" ");
1970 tmp3()->print(out); out->print(" ");
1971 tmp4()->print(out); out->print(" ");
1972 out->print("[hdr:%d]", header_size()); out->print(" ");
1973 out->print("[obj:%d]", object_size()); out->print(" ");
1974 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1975 }
1976
1977 void LIR_OpRoundFP::print_instr(outputStream* out) const {
1978 _opr->print(out); out->print(" ");
1979 tmp()->print(out); out->print(" ");
1980 result_opr()->print(out); out->print(" ");
1981 }
1982
1983 // LIR_Op2
1984 void LIR_Op2::print_instr(outputStream* out) const {
1985 if (code() == lir_cmp || code() == lir_branch || code() == lir_cond_float_branch) {
1986 print_condition(out, condition()); out->print(" ");
1987 }
1988 in_opr1()->print(out); out->print(" ");
1989 in_opr2()->print(out); out->print(" ");
1990 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); }
1991 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); }
1992 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); }
1993 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); }
1994 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); }
1995 result_opr()->print(out);
1996 }
1997
1998 void LIR_OpAllocArray::print_instr(outputStream* out) const {
1999 klass()->print(out); out->print(" ");
2000 len()->print(out); out->print(" ");
2001 obj()->print(out); out->print(" ");
2002 tmp1()->print(out); out->print(" ");
2003 tmp2()->print(out); out->print(" ");
2004 tmp3()->print(out); out->print(" ");
2005 tmp4()->print(out); out->print(" ");
2006 out->print("[type:0x%x]", type()); out->print(" ");
2007 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2008 }
2009
2010
2011 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2012 object()->print(out); out->print(" ");
2013 if (code() == lir_store_check) {
2014 array()->print(out); out->print(" ");
2015 }
2016 if (code() != lir_store_check) {
2017 klass()->print_name_on(out); out->print(" ");
2018 if (fast_check()) out->print("fast_check ");
2019 }
2020 tmp1()->print(out); out->print(" ");
2021 tmp2()->print(out); out->print(" ");
2022 tmp3()->print(out); out->print(" ");
2023 result_opr()->print(out); out->print(" ");
2024 if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2025 }
2026
2027
2028 // LIR_Op3
2029 void LIR_Op3::print_instr(outputStream* out) const {
2030 in_opr1()->print(out); out->print(" ");
2031 in_opr2()->print(out); out->print(" ");
2032 in_opr3()->print(out); out->print(" ");
2033 result_opr()->print(out);
2034 }
2035
2036 // LIR_Op4
2037 void LIR_Op4::print_instr(outputStream* out) const {
2038 print_condition(out, condition()); out->print(" ");
2039 in_opr1()->print(out); out->print(" ");
2040 in_opr2()->print(out); out->print(" ");
2041 in_opr3()->print(out); out->print(" ");
2042 in_opr4()->print(out); out->print(" ");
2043 result_opr()->print(out);
2044 }
2045
2046 void LIR_OpLock::print_instr(outputStream* out) const {
2047 hdr_opr()->print(out); out->print(" ");
2048 obj_opr()->print(out); out->print(" ");
2049 lock_opr()->print(out); out->print(" ");
2050 if (_scratch->is_valid()) {
2051 _scratch->print(out); out->print(" ");
2052 }
2053 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2054 }
2055
2056 void LIR_OpLoadKlass::print_instr(outputStream* out) const {
2057 obj()->print(out); out->print(" ");
2058 result_opr()->print(out); out->print(" ");
2059 }
2060
2061 #ifdef ASSERT
2062 void LIR_OpAssert::print_instr(outputStream* out) const {
2063 print_condition(out, condition()); out->print(" ");
2064 in_opr1()->print(out); out->print(" ");
2065 in_opr2()->print(out); out->print(", \"");
2066 out->print("%s", msg()); out->print("\"");
2067 }
2068 #endif
2069
2070
2071 void LIR_OpDelay::print_instr(outputStream* out) const {
2072 _op->print_on(out);
2073 }
2074
2075
2076 // LIR_OpProfileCall
2077 void LIR_OpProfileCall::print_instr(outputStream* out) const {
2078 profiled_method()->name()->print_symbol_on(out);
2079 out->print(".");
2080 profiled_method()->holder()->name()->print_symbol_on(out);
2081 out->print(" @ %d ", profiled_bci());
2082 mdo()->print(out); out->print(" ");
2083 recv()->print(out); out->print(" ");
2084 tmp1()->print(out); out->print(" ");
2085 }
2086
2087 // LIR_OpProfileType
2088 void LIR_OpProfileType::print_instr(outputStream* out) const {
2089 out->print("exact = ");
2090 if (exact_klass() == nullptr) {
2091 out->print("unknown");
2092 } else {
2093 exact_klass()->print_name_on(out);
2094 }
2095 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2096 out->print(" ");
2097 mdp()->print(out); out->print(" ");
2098 obj()->print(out); out->print(" ");
2099 tmp()->print(out); out->print(" ");
2100 }
2101
2102 #endif // PRODUCT
2103
2104 // Implementation of LIR_InsertionBuffer
2105
2106 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2107 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2108
2109 int i = number_of_insertion_points() - 1;
2110 if (i < 0 || index_at(i) < index) {
2111 append_new(index, 1);
2112 } else {
2113 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2114 assert(count_at(i) > 0, "check");
2115 set_count_at(i, count_at(i) + 1);
2116 }
2117 _ops.push(op);
2118
2119 DEBUG_ONLY(verify());
2120 }
2121
2122 #ifdef ASSERT
2123 void LIR_InsertionBuffer::verify() {
2124 int sum = 0;
2125 int prev_idx = -1;
2126
2127 for (int i = 0; i < number_of_insertion_points(); i++) {
2128 assert(prev_idx < index_at(i), "index must be ordered ascending");
2129 sum += count_at(i);
2130 }
2131 assert(sum == number_of_ops(), "wrong total sum");
2132 }
2133 #endif