1 /*
2 * Copyright (c) 2000, 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 "c1/c1_CodeStubs.hpp"
26 #include "c1/c1_InstructionPrinter.hpp"
27 #include "c1/c1_LIR.hpp"
28 #include "c1/c1_LIRAssembler.hpp"
29 #include "c1/c1_ValueStack.hpp"
30 #include "ci/ciInstance.hpp"
31 #include "runtime/safepointMechanism.inline.hpp"
32 #include "runtime/sharedRuntime.hpp"
33 #include "runtime/vm_version.hpp"
34
35 Register LIR_Opr::as_register() const {
36 return FrameMap::cpu_rnr2reg(cpu_regnr());
37 }
38
39 Register LIR_Opr::as_register_lo() const {
40 return FrameMap::cpu_rnr2reg(cpu_regnrLo());
41 }
42
43 Register LIR_Opr::as_register_hi() const {
44 return FrameMap::cpu_rnr2reg(cpu_regnrHi());
45 }
46
47 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
48 LIR_Opr LIR_OprFact::nullOpr = LIR_Opr();
49
50 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
51 ValueTag tag = type->tag();
52 switch (tag) {
53 case metaDataTag : {
54 ClassConstant* c = type->as_ClassConstant();
55 if (c != nullptr && !c->value()->is_loaded()) {
56 return LIR_OprFact::metadataConst(nullptr);
57 } else if (c != nullptr) {
58 return LIR_OprFact::metadataConst(c->value()->constant_encoding());
59 } else {
60 MethodConstant* m = type->as_MethodConstant();
61 assert (m != nullptr, "not a class or a method?");
62 return LIR_OprFact::metadataConst(m->value()->constant_encoding());
63 }
64 }
65 case objectTag : {
66 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
67 }
68 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
69 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value());
70 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
71 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value());
72 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
73 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
74 }
75 }
76
77
78 //---------------------------------------------------
79
80
81 LIR_Address::Scale LIR_Address::scale(BasicType type) {
82 int elem_size = type2aelembytes(type);
83 switch (elem_size) {
84 case 1: return LIR_Address::times_1;
85 case 2: return LIR_Address::times_2;
86 case 4: return LIR_Address::times_4;
87 case 8: return LIR_Address::times_8;
88 }
89 ShouldNotReachHere();
90 return LIR_Address::times_1;
91 }
92
93 //---------------------------------------------------
94
95 char LIR_Opr::type_char(BasicType t) {
96 switch (t) {
97 case T_ARRAY:
98 t = T_OBJECT;
99 case T_BOOLEAN:
100 case T_CHAR:
101 case T_FLOAT:
102 case T_DOUBLE:
103 case T_BYTE:
104 case T_SHORT:
105 case T_INT:
106 case T_LONG:
107 case T_OBJECT:
108 case T_ADDRESS:
109 case T_VOID:
110 return ::type2char(t);
111 case T_METADATA:
112 return 'M';
113 case T_ILLEGAL:
114 return '?';
115
116 default:
117 ShouldNotReachHere();
118 return '?';
119 }
120 }
121
122 #ifndef PRODUCT
123 void LIR_Opr::validate_type() const {
124
125 #ifdef ASSERT
126 if (!is_pointer() && !is_illegal()) {
127 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160
128 switch (as_BasicType(type_field())) {
129 case T_LONG:
130 assert((kindfield == cpu_register || kindfield == stack_value) &&
131 size_field() == double_size, "must match");
132 break;
133 case T_FLOAT:
134 // FP return values can be also in CPU registers on ARM (softfp ABI)
135 assert((kindfield == fpu_register || kindfield == stack_value
136 ARM_ONLY(|| kindfield == cpu_register) ) &&
137 size_field() == single_size, "must match");
138 break;
139 case T_DOUBLE:
140 // FP return values can be also in CPU registers on ARM (softfp ABI)
141 assert((kindfield == fpu_register || kindfield == stack_value
142 ARM_ONLY(|| kindfield == cpu_register) ) &&
143 size_field() == double_size, "must match");
144 break;
145 case T_BOOLEAN:
146 case T_CHAR:
147 case T_BYTE:
148 case T_SHORT:
149 case T_INT:
150 case T_ADDRESS:
151 case T_OBJECT:
152 case T_METADATA:
153 case T_ARRAY:
154 assert((kindfield == cpu_register || kindfield == stack_value) &&
155 size_field() == single_size, "must match");
156 break;
157
158 case T_ILLEGAL:
159 // XXX TKR also means unknown right now
160 // assert(is_illegal(), "must match");
161 break;
162
163 default:
164 ShouldNotReachHere();
165 }
166 }
167 #endif
168
169 }
170 #endif // PRODUCT
171
172
173 bool LIR_Opr::is_oop() const {
174 if (is_pointer()) {
175 return pointer()->is_oop_pointer();
176 } else {
177 OprType t= type_field();
178 assert(t != unknown_type, "not set");
179 return t == object_type;
180 }
181 }
182
183
184
185 void LIR_Op2::verify() const {
186 #ifdef ASSERT
187 switch (code()) {
188 case lir_xchg:
189 break;
190
191 default:
192 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
193 "can't produce oops from arith");
194 }
195
196 if (two_operand_lir_form) {
197
198 bool threeOperandForm = false;
199 #ifdef S390
200 // There are 3 operand shifts on S390 (see LIR_Assembler::shift_op()).
201 threeOperandForm =
202 code() == lir_shl ||
203 ((code() == lir_shr || code() == lir_ushr) && (result_opr()->is_double_cpu() || in_opr1()->type() == T_OBJECT));
204 #endif
205
206 switch (code()) {
207 case lir_add:
208 case lir_sub:
209 case lir_mul:
210 case lir_div:
211 case lir_rem:
212 case lir_logic_and:
213 case lir_logic_or:
214 case lir_logic_xor:
215 case lir_shl:
216 case lir_shr:
217 assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match");
218 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
219 break;
220
221 // special handling for lir_ushr because of write barriers
222 case lir_ushr:
223 assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant");
224 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
225 break;
226
227 default:
228 break;
229 }
230 }
231 #endif
232 }
233
234
235 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block)
236 : LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
237 , _label(block->label())
238 , _block(block)
239 , _ublock(nullptr)
240 , _stub(nullptr) {
241 }
242
243 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, CodeStub* stub) :
244 LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
245 , _label(stub->entry())
246 , _block(nullptr)
247 , _ublock(nullptr)
248 , _stub(stub) {
249 }
250
251 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block, BlockBegin* ublock)
252 : LIR_Op2(lir_cond_float_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
253 , _label(block->label())
254 , _block(block)
255 , _ublock(ublock)
256 , _stub(nullptr)
257 {
258 }
259
260 void LIR_OpBranch::change_block(BlockBegin* b) {
261 assert(_block != nullptr, "must have old block");
262 assert(_block->label() == label(), "must be equal");
263
264 _block = b;
265 _label = b->label();
266 }
267
268 void LIR_OpBranch::change_ublock(BlockBegin* b) {
269 assert(_ublock != nullptr, "must have old block");
270 _ublock = b;
271 }
272
273 void LIR_OpBranch::negate_cond() {
274 switch (cond()) {
275 case lir_cond_equal: set_cond(lir_cond_notEqual); break;
276 case lir_cond_notEqual: set_cond(lir_cond_equal); break;
277 case lir_cond_less: set_cond(lir_cond_greaterEqual); break;
278 case lir_cond_lessEqual: set_cond(lir_cond_greater); break;
279 case lir_cond_greaterEqual: set_cond(lir_cond_less); break;
280 case lir_cond_greater: set_cond(lir_cond_lessEqual); break;
281 default: ShouldNotReachHere();
282 }
283 }
284
285
286 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
287 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
288 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
289 CodeStub* stub)
290
291 : LIR_Op(code, result, nullptr)
292 , _object(object)
293 , _array(LIR_OprFact::illegalOpr)
294 , _klass(klass)
295 , _tmp1(tmp1)
296 , _tmp2(tmp2)
297 , _tmp3(tmp3)
298 , _info_for_patch(info_for_patch)
299 , _info_for_exception(info_for_exception)
300 , _stub(stub)
301 , _profiled_method(nullptr)
302 , _profiled_bci(-1)
303 , _should_profile(false)
304 , _fast_check(fast_check)
305 {
306 if (code == lir_checkcast) {
307 assert(info_for_exception != nullptr, "checkcast throws exceptions");
308 } else if (code == lir_instanceof) {
309 assert(info_for_exception == nullptr, "instanceof throws no exceptions");
310 } else {
311 ShouldNotReachHere();
312 }
313 }
314
315
316
317 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)
318 : LIR_Op(code, LIR_OprFact::illegalOpr, nullptr)
319 , _object(object)
320 , _array(array)
321 , _klass(nullptr)
322 , _tmp1(tmp1)
323 , _tmp2(tmp2)
324 , _tmp3(tmp3)
325 , _info_for_patch(nullptr)
326 , _info_for_exception(info_for_exception)
327 , _stub(nullptr)
328 , _profiled_method(nullptr)
329 , _profiled_bci(-1)
330 , _should_profile(false)
331 , _fast_check(false)
332 {
333 if (code == lir_store_check) {
334 _stub = new ArrayStoreExceptionStub(object, info_for_exception);
335 assert(info_for_exception != nullptr, "store_check throws exceptions");
336 } else {
337 ShouldNotReachHere();
338 }
339 }
340
341
342 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
343 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
344 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
345 , _src(src)
346 , _src_pos(src_pos)
347 , _dst(dst)
348 , _dst_pos(dst_pos)
349 , _length(length)
350 , _tmp(tmp)
351 , _expected_type(expected_type)
352 , _flags(flags) {
353 #if defined(X86) || defined(AARCH64) || defined(S390) || defined(RISCV64) || defined(PPC64)
354 if (expected_type != nullptr &&
355 ((flags & ~LIR_OpArrayCopy::get_initial_copy_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_breakpoint: // result and info always invalid
408 case lir_membar: // result and info always invalid
409 case lir_membar_acquire: // result and info always invalid
410 case lir_membar_release: // result and info always invalid
411 case lir_membar_loadload: // result and info always invalid
412 case lir_membar_storestore: // result and info always invalid
413 case lir_membar_loadstore: // result and info always invalid
414 case lir_membar_storeload: // result and info always invalid
415 case lir_on_spin_wait:
416 {
417 assert(op->as_Op0() != nullptr, "must be");
418 assert(op->_info == nullptr, "info not used by this instruction");
419 assert(op->_result->is_illegal(), "not used");
420 break;
421 }
422
423 case lir_nop: // may have info, result always invalid
424 case lir_std_entry: // may have result, info always invalid
425 case lir_osr_entry: // may have result, info always invalid
426 case lir_get_thread: // may have result, info always invalid
427 {
428 assert(op->as_Op0() != nullptr, "must be");
429 if (op->_info != nullptr) do_info(op->_info);
430 if (op->_result->is_valid()) do_output(op->_result);
431 break;
432 }
433
434
435 // LIR_OpLabel
436 case lir_label: // result and info always invalid
437 {
438 assert(op->as_OpLabel() != nullptr, "must be");
439 assert(op->_info == nullptr, "info not used by this instruction");
440 assert(op->_result->is_illegal(), "not used");
441 break;
442 }
443
444
445 // LIR_Op1
446 case lir_push: // input always valid, result and info always invalid
447 case lir_pop: // input always valid, result and info always invalid
448 case lir_leal: // input and result always valid, info always invalid
449 case lir_monaddr: // input and result always valid, info always invalid
450 case lir_null_check: // input and info always valid, result always invalid
451 case lir_move: // input and result always valid, may have info
452 case lir_sqrt: // FP Ops have no info, but input and result
453 case lir_abs:
454 case lir_neg:
455 case lir_f2hf:
456 case lir_hf2f:
457 {
458 assert(op->as_Op1() != nullptr, "must be");
459 LIR_Op1* op1 = (LIR_Op1*)op;
460
461 if (op1->_info) do_info(op1->_info);
462 if (op1->_opr->is_valid()) do_input(op1->_opr);
463 if (op1->_tmp->is_valid()) do_temp(op1->_tmp);
464 if (op1->_result->is_valid()) do_output(op1->_result);
465
466 break;
467 }
468
469 case lir_return:
470 {
471 assert(op->as_OpReturn() != nullptr, "must be");
472 LIR_OpReturn* op_ret = (LIR_OpReturn*)op;
473
474 if (op_ret->_info) do_info(op_ret->_info);
475 if (op_ret->_opr->is_valid()) do_input(op_ret->_opr);
476 if (op_ret->_result->is_valid()) do_output(op_ret->_result);
477 if (op_ret->stub() != nullptr) do_stub(op_ret->stub());
478
479 break;
480 }
481
482 case lir_safepoint:
483 {
484 assert(op->as_Op1() != nullptr, "must be");
485 LIR_Op1* op1 = (LIR_Op1*)op;
486
487 assert(op1->_info != nullptr, ""); do_info(op1->_info);
488 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register
489 assert(op1->_tmp->is_illegal(), "not used");
490 assert(op1->_result->is_illegal(), "safepoint does not produce value");
491
492 break;
493 }
494
495 // LIR_OpConvert;
496 case lir_convert: // input and result always valid, info always invalid
497 {
498 assert(op->as_OpConvert() != nullptr, "must be");
499 LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
500
501 assert(opConvert->_info == nullptr, "must be");
502 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr);
503 if (opConvert->_result->is_valid()) do_output(opConvert->_result);
504
505 break;
506 }
507
508 // LIR_OpBranch;
509 case lir_branch: // may have info, input and result register always invalid
510 case lir_cond_float_branch: // may have info, input and result register always invalid
511 {
512 assert(op->as_OpBranch() != nullptr, "must be");
513 LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
514
515 assert(opBranch->_tmp1->is_illegal() && opBranch->_tmp2->is_illegal() &&
516 opBranch->_tmp3->is_illegal() && opBranch->_tmp4->is_illegal() &&
517 opBranch->_tmp5->is_illegal(), "not used");
518
519 if (opBranch->_opr1->is_valid()) do_input(opBranch->_opr1);
520 if (opBranch->_opr2->is_valid()) do_input(opBranch->_opr2);
521
522 if (opBranch->_info != nullptr) do_info(opBranch->_info);
523 assert(opBranch->_result->is_illegal(), "not used");
524 if (opBranch->_stub != nullptr) opBranch->stub()->visit(this);
525
526 break;
527 }
528
529
530 // LIR_OpAllocObj
531 case lir_alloc_object:
532 {
533 assert(op->as_OpAllocObj() != nullptr, "must be");
534 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
535
536 if (opAllocObj->_info) do_info(opAllocObj->_info);
537 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr);
538 do_temp(opAllocObj->_opr);
539 }
540 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1);
541 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2);
542 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3);
543 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4);
544 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result);
545 if (opAllocObj->_stub != nullptr) do_stub(opAllocObj->_stub);
546 break;
547 }
548
549
550 // LIR_Op2
551 case lir_cmp:
552 case lir_cmp_l2i:
553 case lir_ucmp_fd2i:
554 case lir_cmp_fd2i:
555 case lir_add:
556 case lir_sub:
557 case lir_rem:
558 case lir_logic_and:
559 case lir_logic_or:
560 case lir_logic_xor:
561 case lir_shl:
562 case lir_shr:
563 case lir_ushr:
564 case lir_xadd:
565 case lir_xchg:
566 case lir_assert:
567 {
568 assert(op->as_Op2() != nullptr, "must be");
569 LIR_Op2* op2 = (LIR_Op2*)op;
570 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
571 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
572
573 if (op2->_info) do_info(op2->_info);
574 if (op2->_opr1->is_valid()) do_input(op2->_opr1);
575 if (op2->_opr2->is_valid()) do_input(op2->_opr2);
576 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
577 if (op2->_result->is_valid()) do_output(op2->_result);
578 if (op->code() == lir_xchg || op->code() == lir_xadd) {
579 // on ARM and PPC, return value is loaded first so could
580 // destroy inputs. On other platforms that implement those
581 // (x86, sparc), the extra constrainsts are harmless.
582 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
583 if (op2->_opr2->is_valid()) do_temp(op2->_opr2);
584 }
585
586 break;
587 }
588
589 // special handling for cmove: right input operand must not be equal
590 // to the result operand, otherwise the backend fails
591 case lir_cmove:
592 {
593 assert(op->as_Op4() != nullptr, "must be");
594 LIR_Op4* op4 = (LIR_Op4*)op;
595
596 assert(op4->_info == nullptr && op4->_tmp1->is_illegal() && op4->_tmp2->is_illegal() &&
597 op4->_tmp3->is_illegal() && op4->_tmp4->is_illegal() && op4->_tmp5->is_illegal(), "not used");
598 assert(op4->_opr1->is_valid() && op4->_opr2->is_valid() && op4->_result->is_valid(), "used");
599
600 do_input(op4->_opr1);
601 do_input(op4->_opr2);
602 if (op4->_opr3->is_valid()) do_input(op4->_opr3);
603 if (op4->_opr4->is_valid()) do_input(op4->_opr4);
604 do_temp(op4->_opr2);
605 do_output(op4->_result);
606
607 break;
608 }
609
610 // vspecial handling for strict operations: register input operands
611 // as temp to guarantee that they do not overlap with other
612 // registers
613 case lir_mul:
614 case lir_div:
615 {
616 assert(op->as_Op2() != nullptr, "must be");
617 LIR_Op2* op2 = (LIR_Op2*)op;
618
619 assert(op2->_info == nullptr, "not used");
620 assert(op2->_opr1->is_valid(), "used");
621 assert(op2->_opr2->is_valid(), "used");
622 assert(op2->_result->is_valid(), "used");
623 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
624 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
625
626 do_input(op2->_opr1); do_temp(op2->_opr1);
627 do_input(op2->_opr2); do_temp(op2->_opr2);
628 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
629 do_output(op2->_result);
630
631 break;
632 }
633
634 case lir_throw: {
635 assert(op->as_Op2() != nullptr, "must be");
636 LIR_Op2* op2 = (LIR_Op2*)op;
637
638 if (op2->_info) do_info(op2->_info);
639 if (op2->_opr1->is_valid()) do_temp(op2->_opr1);
640 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter
641 assert(op2->_result->is_illegal(), "no result");
642 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
643 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
644
645 break;
646 }
647
648 case lir_unwind: {
649 assert(op->as_Op1() != nullptr, "must be");
650 LIR_Op1* op1 = (LIR_Op1*)op;
651
652 assert(op1->_info == nullptr, "no info");
653 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr);
654 assert(op1->_tmp->is_illegal(), "not used");
655 assert(op1->_result->is_illegal(), "no result");
656
657 break;
658 }
659
660 // LIR_Op3
661 case lir_idiv:
662 case lir_irem: {
663 assert(op->as_Op3() != nullptr, "must be");
664 LIR_Op3* op3= (LIR_Op3*)op;
665
666 if (op3->_info) do_info(op3->_info);
667 if (op3->_opr1->is_valid()) do_input(op3->_opr1);
668
669 // second operand is input and temp, so ensure that second operand
670 // and third operand get not the same register
671 if (op3->_opr2->is_valid()) do_input(op3->_opr2);
672 if (op3->_opr2->is_valid()) do_temp(op3->_opr2);
673 if (op3->_opr3->is_valid()) do_temp(op3->_opr3);
674
675 if (op3->_result->is_valid()) do_output(op3->_result);
676
677 break;
678 }
679
680 case lir_fmad:
681 case lir_fmaf: {
682 assert(op->as_Op3() != nullptr, "must be");
683 LIR_Op3* op3= (LIR_Op3*)op;
684 assert(op3->_info == nullptr, "no info");
685 do_input(op3->_opr1);
686 do_input(op3->_opr2);
687 do_input(op3->_opr3);
688 do_output(op3->_result);
689 break;
690 }
691
692 // LIR_OpJavaCall
693 case lir_static_call:
694 case lir_optvirtual_call:
695 case lir_icvirtual_call:
696 case lir_dynamic_call: {
697 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
698 assert(opJavaCall != nullptr, "must be");
699
700 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver);
701
702 // only visit register parameters
703 int n = opJavaCall->_arguments->length();
704 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
705 if (!opJavaCall->_arguments->at(i)->is_pointer()) {
706 do_input(*opJavaCall->_arguments->adr_at(i));
707 }
708 }
709
710 if (opJavaCall->_info) do_info(opJavaCall->_info);
711 do_call();
712 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result);
713
714 break;
715 }
716
717
718 // LIR_OpRTCall
719 case lir_rtcall: {
720 assert(op->as_OpRTCall() != nullptr, "must be");
721 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
722
723 // only visit register parameters
724 int n = opRTCall->_arguments->length();
725 for (int i = 0; i < n; i++) {
726 if (!opRTCall->_arguments->at(i)->is_pointer()) {
727 do_input(*opRTCall->_arguments->adr_at(i));
728 }
729 }
730 if (opRTCall->_info) do_info(opRTCall->_info);
731 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp);
732 do_call();
733 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result);
734
735 break;
736 }
737
738
739 // LIR_OpArrayCopy
740 case lir_arraycopy: {
741 assert(op->as_OpArrayCopy() != nullptr, "must be");
742 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
743
744 assert(opArrayCopy->_result->is_illegal(), "unused");
745 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src);
746 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
747 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst);
748 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
749 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length);
750 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp);
751 if (opArrayCopy->_info) do_info(opArrayCopy->_info);
752
753 // the implementation of arraycopy always has a call into the runtime
754 do_call();
755
756 break;
757 }
758
759
760 // LIR_OpUpdateCRC32
761 case lir_updatecrc32: {
762 assert(op->as_OpUpdateCRC32() != nullptr, "must be");
763 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
764
765 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc);
766 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val);
767 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result);
768 assert(opUp->_info == nullptr, "no info for LIR_OpUpdateCRC32");
769
770 break;
771 }
772
773
774 // LIR_OpLock
775 case lir_lock:
776 case lir_unlock: {
777 assert(op->as_OpLock() != nullptr, "must be");
778 LIR_OpLock* opLock = (LIR_OpLock*)op;
779
780 if (opLock->_info) do_info(opLock->_info);
781
782 // TODO: check if these operands really have to be temp
783 // (or if input is sufficient). This may have influence on the oop map!
784 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock);
785 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr);
786 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj);
787
788 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch);
789 assert(opLock->_result->is_illegal(), "unused");
790
791 do_stub(opLock->_stub);
792
793 break;
794 }
795
796
797 // LIR_OpTypeCheck
798 case lir_instanceof:
799 case lir_checkcast:
800 case lir_store_check: {
801 assert(op->as_OpTypeCheck() != nullptr, "must be");
802 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
803
804 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception);
805 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch);
806 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object);
807 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
808 do_temp(opTypeCheck->_object);
809 }
810 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array);
811 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1);
812 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2);
813 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3);
814 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result);
815 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub);
816 break;
817 }
818
819 // LIR_OpCompareAndSwap
820 case lir_cas_long:
821 case lir_cas_obj:
822 case lir_cas_int: {
823 assert(op->as_OpCompareAndSwap() != nullptr, "must be");
824 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
825
826 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info);
827 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr);
828 do_temp(opCmpAndSwap->_addr);
829 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
830 do_temp(opCmpAndSwap->_cmp_value);
831 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
832 do_temp(opCmpAndSwap->_new_value);
833 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1);
834 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2);
835 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result);
836
837 break;
838 }
839
840
841 // LIR_OpAllocArray;
842 case lir_alloc_array: {
843 assert(op->as_OpAllocArray() != nullptr, "must be");
844 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
845
846 if (opAllocArray->_info) do_info(opAllocArray->_info);
847 if (opAllocArray->_klass->is_valid()) { do_input(opAllocArray->_klass);
848 do_temp(opAllocArray->_klass);
849 }
850 if (opAllocArray->_len->is_valid()) { do_input(opAllocArray->_len);
851 do_temp(opAllocArray->_len);
852 }
853 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1);
854 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2);
855 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3);
856 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4);
857 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result);
858 if (opAllocArray->_stub != nullptr) do_stub(opAllocArray->_stub);
859 break;
860 }
861
862 // LIR_OpLoadKlass
863 case lir_load_klass:
864 {
865 LIR_OpLoadKlass* opLoadKlass = op->as_OpLoadKlass();
866 assert(opLoadKlass != nullptr, "must be");
867
868 do_input(opLoadKlass->_obj);
869 do_output(opLoadKlass->_result);
870 if (opLoadKlass->_info) do_info(opLoadKlass->_info);
871 break;
872 }
873
874
875 // LIR_OpProfileCall:
876 case lir_profile_call: {
877 assert(op->as_OpProfileCall() != nullptr, "must be");
878 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
879
880 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv);
881 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo);
882 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1);
883 break;
884 }
885
886 // LIR_OpProfileType:
887 case lir_profile_type: {
888 assert(op->as_OpProfileType() != nullptr, "must be");
889 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
890
891 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
892 do_input(opProfileType->_obj);
893 do_temp(opProfileType->_tmp);
894 break;
895 }
896 default:
897 op->visit(this);
898 }
899 }
900
901 void LIR_Op::visit(LIR_OpVisitState* state) {
902 ShouldNotReachHere();
903 }
904
905 void LIR_OpVisitState::do_stub(CodeStub* stub) {
906 if (stub != nullptr) {
907 stub->visit(this);
908 }
909 }
910
911 XHandlers* LIR_OpVisitState::all_xhandler() {
912 XHandlers* result = nullptr;
913
914 int i;
915 for (i = 0; i < info_count(); i++) {
916 if (info_at(i)->exception_handlers() != nullptr) {
917 result = info_at(i)->exception_handlers();
918 break;
919 }
920 }
921
922 #ifdef ASSERT
923 for (i = 0; i < info_count(); i++) {
924 assert(info_at(i)->exception_handlers() == nullptr ||
925 info_at(i)->exception_handlers() == result,
926 "only one xhandler list allowed per LIR-operation");
927 }
928 #endif
929
930 if (result != nullptr) {
931 return result;
932 } else {
933 return new XHandlers();
934 }
935
936 return result;
937 }
938
939
940 #ifdef ASSERT
941 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
942 visit(op);
943
944 return opr_count(inputMode) == 0 &&
945 opr_count(outputMode) == 0 &&
946 opr_count(tempMode) == 0 &&
947 info_count() == 0 &&
948 !has_call() &&
949 !has_slow_case();
950 }
951 #endif
952
953 // LIR_OpReturn
954 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
955 LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */),
956 _stub(nullptr) {
957 if (VM_Version::supports_stack_watermark_barrier()) {
958 _stub = new C1SafepointPollStub();
959 }
960 }
961
962 //---------------------------------------------------
963
964
965 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
966 masm->emit_call(this);
967 }
968
969 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
970 masm->emit_rtcall(this);
971 }
972
973 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
974 masm->emit_opLabel(this);
975 }
976
977 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
978 masm->emit_arraycopy(this);
979 ArrayCopyStub* code_stub = stub();
980 if (code_stub != nullptr) {
981 masm->append_code_stub(code_stub);
982 }
983 }
984
985 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
986 masm->emit_updatecrc32(this);
987 }
988
989 void LIR_Op0::emit_code(LIR_Assembler* masm) {
990 masm->emit_op0(this);
991 }
992
993 void LIR_Op1::emit_code(LIR_Assembler* masm) {
994 masm->emit_op1(this);
995 }
996
997 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
998 masm->emit_alloc_obj(this);
999 masm->append_code_stub(stub());
1000 }
1001
1002 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
1003 masm->emit_opBranch(this);
1004 if (stub()) {
1005 masm->append_code_stub(stub());
1006 }
1007 }
1008
1009 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
1010 masm->emit_opConvert(this);
1011 }
1012
1013 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1014 masm->emit_op2(this);
1015 }
1016
1017 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1018 masm->emit_alloc_array(this);
1019 masm->append_code_stub(stub());
1020 }
1021
1022 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1023 masm->emit_opTypeCheck(this);
1024 if (stub()) {
1025 masm->append_code_stub(stub());
1026 }
1027 }
1028
1029 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1030 masm->emit_compare_and_swap(this);
1031 }
1032
1033 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1034 masm->emit_op3(this);
1035 }
1036
1037 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1038 masm->emit_op4(this);
1039 }
1040
1041 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1042 masm->emit_lock(this);
1043 if (stub()) {
1044 masm->append_code_stub(stub());
1045 }
1046 }
1047
1048 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1049 masm->emit_load_klass(this);
1050 }
1051
1052 #ifdef ASSERT
1053 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1054 masm->emit_assert(this);
1055 }
1056 #endif
1057
1058 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1059 masm->emit_profile_call(this);
1060 }
1061
1062 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1063 masm->emit_profile_type(this);
1064 }
1065
1066 // LIR_List
1067 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1068 : _operations(8)
1069 , _compilation(compilation)
1070 #ifndef PRODUCT
1071 , _block(block)
1072 #endif
1073 #ifdef ASSERT
1074 , _file(nullptr)
1075 , _line(0)
1076 #endif
1077 #ifdef RISCV
1078 , _cmp_opr1(LIR_OprFact::illegalOpr)
1079 , _cmp_opr2(LIR_OprFact::illegalOpr)
1080 #endif
1081 { }
1082
1083
1084 #ifdef ASSERT
1085 void LIR_List::set_file_and_line(const char * file, int line) {
1086 const char * f = strrchr(file, '/');
1087 if (f == nullptr) f = strrchr(file, '\\');
1088 if (f == nullptr) {
1089 f = file;
1090 } else {
1091 f++;
1092 }
1093 _file = f;
1094 _line = line;
1095 }
1096 #endif
1097
1098 #ifdef RISCV
1099 void LIR_List::set_cmp_oprs(LIR_Op* op) {
1100 switch (op->code()) {
1101 case lir_cmp:
1102 _cmp_opr1 = op->as_Op2()->in_opr1();
1103 _cmp_opr2 = op->as_Op2()->in_opr2();
1104 break;
1105 case lir_branch: // fall through
1106 case lir_cond_float_branch:
1107 assert(op->as_OpBranch()->cond() == lir_cond_always ||
1108 (_cmp_opr1 != LIR_OprFact::illegalOpr && _cmp_opr2 != LIR_OprFact::illegalOpr),
1109 "conditional branches must have legal operands");
1110 if (op->as_OpBranch()->cond() != lir_cond_always) {
1111 op->as_Op2()->set_in_opr1(_cmp_opr1);
1112 op->as_Op2()->set_in_opr2(_cmp_opr2);
1113 }
1114 break;
1115 case lir_cmove:
1116 op->as_Op4()->set_in_opr3(_cmp_opr1);
1117 op->as_Op4()->set_in_opr4(_cmp_opr2);
1118 break;
1119 case lir_cas_long:
1120 case lir_cas_obj:
1121 case lir_cas_int:
1122 _cmp_opr1 = op->as_OpCompareAndSwap()->result_opr();
1123 _cmp_opr2 = LIR_OprFact::intConst(0);
1124 break;
1125 #if INCLUDE_ZGC
1126 case lir_xloadbarrier_test:
1127 _cmp_opr1 = FrameMap::as_opr(t1);
1128 _cmp_opr2 = LIR_OprFact::intConst(0);
1129 break;
1130 #endif
1131 default:
1132 break;
1133 }
1134 }
1135 #endif
1136
1137 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1138 assert(this == buffer->lir_list(), "wrong lir list");
1139 const int n = _operations.length();
1140
1141 if (buffer->number_of_ops() > 0) {
1142 // increase size of instructions list
1143 _operations.at_grow(n + buffer->number_of_ops() - 1, nullptr);
1144 // insert ops from buffer into instructions list
1145 int op_index = buffer->number_of_ops() - 1;
1146 int ip_index = buffer->number_of_insertion_points() - 1;
1147 int from_index = n - 1;
1148 int to_index = _operations.length() - 1;
1149 for (; ip_index >= 0; ip_index --) {
1150 int index = buffer->index_at(ip_index);
1151 // make room after insertion point
1152 while (index < from_index) {
1153 _operations.at_put(to_index --, _operations.at(from_index --));
1154 }
1155 // insert ops from buffer
1156 for (int i = buffer->count_at(ip_index); i > 0; i --) {
1157 _operations.at_put(to_index --, buffer->op_at(op_index --));
1158 }
1159 }
1160 }
1161
1162 buffer->finish();
1163 }
1164
1165
1166 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1167 assert(reg->type() == T_OBJECT, "bad reg");
1168 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info));
1169 }
1170
1171 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1172 assert(reg->type() == T_METADATA, "bad reg");
1173 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1174 }
1175
1176 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1177 append(new LIR_Op1(
1178 lir_move,
1179 LIR_OprFact::address(addr),
1180 src,
1181 addr->type(),
1182 patch_code,
1183 info));
1184 }
1185
1186
1187 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1188 append(new LIR_Op1(
1189 lir_move,
1190 LIR_OprFact::address(address),
1191 dst,
1192 address->type(),
1193 patch_code,
1194 info, lir_move_volatile));
1195 }
1196
1197 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1198 append(new LIR_Op1(
1199 lir_move,
1200 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1201 dst,
1202 type,
1203 patch_code,
1204 info, lir_move_volatile));
1205 }
1206
1207
1208 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1209 append(new LIR_Op1(
1210 lir_move,
1211 LIR_OprFact::intConst(v),
1212 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1213 type,
1214 patch_code,
1215 info));
1216 }
1217
1218
1219 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1220 append(new LIR_Op1(
1221 lir_move,
1222 LIR_OprFact::oopConst(o),
1223 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1224 type,
1225 patch_code,
1226 info));
1227 }
1228
1229
1230 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1231 append(new LIR_Op1(
1232 lir_move,
1233 src,
1234 LIR_OprFact::address(addr),
1235 addr->type(),
1236 patch_code,
1237 info));
1238 }
1239
1240
1241 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1242 append(new LIR_Op1(
1243 lir_move,
1244 src,
1245 LIR_OprFact::address(addr),
1246 addr->type(),
1247 patch_code,
1248 info,
1249 lir_move_volatile));
1250 }
1251
1252 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1253 append(new LIR_Op1(
1254 lir_move,
1255 src,
1256 LIR_OprFact::address(new LIR_Address(base, offset, type)),
1257 type,
1258 patch_code,
1259 info, lir_move_volatile));
1260 }
1261
1262
1263 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1264 append(new LIR_Op3(
1265 lir_idiv,
1266 left,
1267 right,
1268 tmp,
1269 res,
1270 info));
1271 }
1272
1273
1274 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1275 append(new LIR_Op3(
1276 lir_idiv,
1277 left,
1278 LIR_OprFact::intConst(right),
1279 tmp,
1280 res,
1281 info));
1282 }
1283
1284
1285 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1286 append(new LIR_Op3(
1287 lir_irem,
1288 left,
1289 right,
1290 tmp,
1291 res,
1292 info));
1293 }
1294
1295
1296 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1297 append(new LIR_Op3(
1298 lir_irem,
1299 left,
1300 LIR_OprFact::intConst(right),
1301 tmp,
1302 res,
1303 info));
1304 }
1305
1306
1307 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1308 append(new LIR_Op2(
1309 lir_cmp,
1310 condition,
1311 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1312 LIR_OprFact::intConst(c),
1313 info));
1314 }
1315
1316
1317 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1318 append(new LIR_Op2(
1319 lir_cmp,
1320 condition,
1321 reg,
1322 LIR_OprFact::address(addr),
1323 info));
1324 }
1325
1326 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1327 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1328 append(new LIR_OpAllocObj(
1329 klass,
1330 dst,
1331 t1,
1332 t2,
1333 t3,
1334 t4,
1335 header_size,
1336 object_size,
1337 init_check,
1338 stub));
1339 }
1340
1341 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) {
1342 append(new LIR_OpAllocArray(
1343 klass,
1344 len,
1345 dst,
1346 t1,
1347 t2,
1348 t3,
1349 t4,
1350 type,
1351 stub,
1352 zero_array));
1353 }
1354
1355 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1356 append(new LIR_Op2(
1357 lir_shl,
1358 value,
1359 count,
1360 dst,
1361 tmp));
1362 }
1363
1364 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1365 append(new LIR_Op2(
1366 lir_shr,
1367 value,
1368 count,
1369 dst,
1370 tmp));
1371 }
1372
1373
1374 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1375 append(new LIR_Op2(
1376 lir_ushr,
1377 value,
1378 count,
1379 dst,
1380 tmp));
1381 }
1382
1383 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1384 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1385 left,
1386 right,
1387 dst));
1388 }
1389
1390 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1391 append(new LIR_OpLock(
1392 lir_lock,
1393 hdr,
1394 obj,
1395 lock,
1396 scratch,
1397 stub,
1398 info));
1399 }
1400
1401 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1402 append(new LIR_OpLock(
1403 lir_unlock,
1404 hdr,
1405 obj,
1406 lock,
1407 scratch,
1408 stub,
1409 nullptr));
1410 }
1411
1412
1413 void check_LIR() {
1414 // cannot do the proper checking as PRODUCT and other modes return different results
1415 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1416 }
1417
1418
1419
1420 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1421 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1422 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1423 ciMethod* profiled_method, int profiled_bci) {
1424 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1425 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
1426 if (profiled_method != nullptr && TypeProfileCasts) {
1427 c->set_profiled_method(profiled_method);
1428 c->set_profiled_bci(profiled_bci);
1429 c->set_should_profile(true);
1430 }
1431 append(c);
1432 }
1433
1434 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) {
1435 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, nullptr, info_for_patch, nullptr);
1436 if (profiled_method != nullptr && TypeProfileCasts) {
1437 c->set_profiled_method(profiled_method);
1438 c->set_profiled_bci(profiled_bci);
1439 c->set_should_profile(true);
1440 }
1441 append(c);
1442 }
1443
1444
1445 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1446 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1447 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1448 if (profiled_method != nullptr && TypeProfileCasts) {
1449 c->set_profiled_method(profiled_method);
1450 c->set_profiled_bci(profiled_bci);
1451 c->set_should_profile(true);
1452 }
1453 append(c);
1454 }
1455
1456 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1457 if (deoptimize_on_null) {
1458 // Emit an explicit null check and deoptimize if opr is null
1459 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1460 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr));
1461 branch(lir_cond_equal, deopt);
1462 } else {
1463 // Emit an implicit null check
1464 append(new LIR_Op1(lir_null_check, opr, info));
1465 }
1466 }
1467
1468 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1469 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1470 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1471 }
1472
1473 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1474 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1475 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1476 }
1477
1478 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1479 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1480 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1481 }
1482
1483
1484 #ifdef PRODUCT
1485
1486 void print_LIR(BlockList* blocks) {
1487 }
1488
1489 #else
1490 // LIR_Opr
1491 void LIR_Opr::print() const {
1492 print(tty);
1493 }
1494
1495 void LIR_Opr::print(outputStream* out) const {
1496 if (is_illegal()) {
1497 return;
1498 }
1499
1500 out->print("[");
1501 if (is_pointer()) {
1502 pointer()->print_value_on(out);
1503 } else if (is_single_stack()) {
1504 out->print("stack:%d", single_stack_ix());
1505 } else if (is_double_stack()) {
1506 out->print("dbl_stack:%d",double_stack_ix());
1507 } else if (is_virtual()) {
1508 out->print("R%d", vreg_number());
1509 } else if (is_single_cpu()) {
1510 out->print("%s", as_register()->name());
1511 } else if (is_double_cpu()) {
1512 out->print("%s", as_register_hi()->name());
1513 out->print("%s", as_register_lo()->name());
1514 #if defined(X86)
1515 } else if (is_single_xmm()) {
1516 out->print("%s", as_xmm_float_reg()->name());
1517 } else if (is_double_xmm()) {
1518 out->print("%s", as_xmm_double_reg()->name());
1519 } else if (is_single_fpu()) {
1520 out->print("fpu%d", fpu_regnr());
1521 } else if (is_double_fpu()) {
1522 out->print("fpu%d", fpu_regnrLo());
1523 #elif defined(AARCH64)
1524 } else if (is_single_fpu()) {
1525 out->print("fpu%d", fpu_regnr());
1526 } else if (is_double_fpu()) {
1527 out->print("fpu%d", fpu_regnrLo());
1528 #elif defined(ARM)
1529 } else if (is_single_fpu()) {
1530 out->print("s%d", fpu_regnr());
1531 } else if (is_double_fpu()) {
1532 out->print("d%d", fpu_regnrLo() >> 1);
1533 #else
1534 } else if (is_single_fpu()) {
1535 out->print("%s", as_float_reg()->name());
1536 } else if (is_double_fpu()) {
1537 out->print("%s", as_double_reg()->name());
1538 #endif
1539
1540 } else if (is_illegal()) {
1541 out->print("-");
1542 } else {
1543 out->print("Unknown Operand");
1544 }
1545 if (!is_illegal()) {
1546 out->print("|%c", type_char());
1547 }
1548 if (is_register() && is_last_use()) {
1549 out->print("(last_use)");
1550 }
1551 out->print("]");
1552 }
1553
1554
1555 // LIR_Address
1556 void LIR_Const::print_value_on(outputStream* out) const {
1557 switch (type()) {
1558 case T_ADDRESS:out->print("address:%d",as_jint()); break;
1559 case T_INT: out->print("int:%d", as_jint()); break;
1560 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1561 case T_FLOAT: out->print("flt:%f", as_jfloat()); break;
1562 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break;
1563 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break;
1564 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1565 default: out->print("%3d:" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1566 }
1567 }
1568
1569 // LIR_Address
1570 void LIR_Address::print_value_on(outputStream* out) const {
1571 out->print("Base:"); _base->print(out);
1572 if (!_index->is_illegal()) {
1573 out->print(" Index:"); _index->print(out);
1574 switch (scale()) {
1575 case times_1: break;
1576 case times_2: out->print(" * 2"); break;
1577 case times_4: out->print(" * 4"); break;
1578 case times_8: out->print(" * 8"); break;
1579 }
1580 }
1581 out->print(" Disp: %zd", _disp);
1582 }
1583
1584 // debug output of block header without InstructionPrinter
1585 // (because phi functions are not necessary for LIR)
1586 static void print_block(BlockBegin* x) {
1587 // print block id
1588 BlockEnd* end = x->end();
1589 tty->print("B%d ", x->block_id());
1590
1591 // print flags
1592 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std ");
1593 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr ");
1594 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex ");
1595 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr ");
1596 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb ");
1597 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1598 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le ");
1599
1600 // print block bci range
1601 tty->print("[%d, %d] ", x->bci(), (end == nullptr ? -1 : end->printable_bci()));
1602
1603 // print predecessors and successors
1604 if (x->number_of_preds() > 0) {
1605 tty->print("preds: ");
1606 for (int i = 0; i < x->number_of_preds(); i ++) {
1607 tty->print("B%d ", x->pred_at(i)->block_id());
1608 }
1609 }
1610
1611 if (end != nullptr && x->number_of_sux() > 0) {
1612 tty->print("sux: ");
1613 for (int i = 0; i < x->number_of_sux(); i ++) {
1614 tty->print("B%d ", x->sux_at(i)->block_id());
1615 }
1616 }
1617
1618 // print exception handlers
1619 if (x->number_of_exception_handlers() > 0) {
1620 tty->print("xhandler: ");
1621 for (int i = 0; i < x->number_of_exception_handlers(); i++) {
1622 tty->print("B%d ", x->exception_handler_at(i)->block_id());
1623 }
1624 }
1625
1626 tty->cr();
1627 }
1628
1629 void print_LIR(BlockList* blocks) {
1630 tty->print_cr("LIR:");
1631 int i;
1632 for (i = 0; i < blocks->length(); i++) {
1633 BlockBegin* bb = blocks->at(i);
1634 print_block(bb);
1635 tty->print("__id_Instruction___________________________________________"); tty->cr();
1636 bb->lir()->print_instructions();
1637 }
1638 }
1639
1640 void LIR_List::print_instructions() {
1641 for (int i = 0; i < _operations.length(); i++) {
1642 _operations.at(i)->print(); tty->cr();
1643 }
1644 tty->cr();
1645 }
1646
1647 // LIR_Ops printing routines
1648 // LIR_Op
1649 void LIR_Op::print_on(outputStream* out) const {
1650 if (id() != -1 || PrintCFGToFile) {
1651 out->print("%4d ", id());
1652 } else {
1653 out->print(" ");
1654 }
1655 out->print("%s ", name());
1656 print_instr(out);
1657 if (info() != nullptr) out->print(" [bci:%d]", info()->stack()->bci());
1658 #ifdef ASSERT
1659 if (Verbose && _file != nullptr) {
1660 out->print(" (%s:%d)", _file, _line);
1661 }
1662 #endif
1663 }
1664
1665 const char * LIR_Op::name() const {
1666 const char* s = nullptr;
1667 switch(code()) {
1668 // LIR_Op0
1669 case lir_membar: s = "membar"; break;
1670 case lir_membar_acquire: s = "membar_acquire"; break;
1671 case lir_membar_release: s = "membar_release"; break;
1672 case lir_membar_loadload: s = "membar_loadload"; break;
1673 case lir_membar_storestore: s = "membar_storestore"; break;
1674 case lir_membar_loadstore: s = "membar_loadstore"; break;
1675 case lir_membar_storeload: s = "membar_storeload"; break;
1676 case lir_label: s = "label"; break;
1677 case lir_nop: s = "nop"; break;
1678 case lir_on_spin_wait: s = "on_spin_wait"; break;
1679 case lir_std_entry: s = "std_entry"; break;
1680 case lir_osr_entry: s = "osr_entry"; break;
1681 case lir_breakpoint: s = "breakpoint"; break;
1682 case lir_get_thread: s = "get_thread"; break;
1683 // LIR_Op1
1684 case lir_push: s = "push"; break;
1685 case lir_pop: s = "pop"; break;
1686 case lir_null_check: s = "null_check"; break;
1687 case lir_return: s = "return"; break;
1688 case lir_safepoint: s = "safepoint"; break;
1689 case lir_leal: s = "leal"; break;
1690 case lir_branch: s = "branch"; break;
1691 case lir_cond_float_branch: s = "flt_cond_br"; break;
1692 case lir_move: s = "move"; break;
1693 case lir_abs: s = "abs"; break;
1694 case lir_neg: s = "neg"; break;
1695 case lir_sqrt: s = "sqrt"; break;
1696 case lir_f2hf: s = "f2hf"; break;
1697 case lir_hf2f: s = "hf2f"; break;
1698 case lir_rtcall: s = "rtcall"; break;
1699 case lir_throw: s = "throw"; break;
1700 case lir_unwind: s = "unwind"; break;
1701 case lir_convert: s = "convert"; break;
1702 case lir_alloc_object: s = "alloc_obj"; break;
1703 case lir_monaddr: s = "mon_addr"; break;
1704 // LIR_Op2
1705 case lir_cmp: s = "cmp"; break;
1706 case lir_cmp_l2i: s = "cmp_l2i"; break;
1707 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break;
1708 case lir_cmp_fd2i: s = "comp_fd2i"; break;
1709 case lir_add: s = "add"; break;
1710 case lir_sub: s = "sub"; break;
1711 case lir_mul: s = "mul"; break;
1712 case lir_div: s = "div"; break;
1713 case lir_rem: s = "rem"; break;
1714 case lir_logic_and: s = "logic_and"; break;
1715 case lir_logic_or: s = "logic_or"; break;
1716 case lir_logic_xor: s = "logic_xor"; break;
1717 case lir_shl: s = "shift_left"; break;
1718 case lir_shr: s = "shift_right"; break;
1719 case lir_ushr: s = "ushift_right"; break;
1720 case lir_alloc_array: s = "alloc_array"; break;
1721 case lir_xadd: s = "xadd"; break;
1722 case lir_xchg: s = "xchg"; break;
1723 // LIR_Op3
1724 case lir_idiv: s = "idiv"; break;
1725 case lir_irem: s = "irem"; break;
1726 case lir_fmad: s = "fmad"; break;
1727 case lir_fmaf: s = "fmaf"; break;
1728 // LIR_Op4
1729 case lir_cmove: s = "cmove"; break;
1730 // LIR_OpJavaCall
1731 case lir_static_call: s = "static"; break;
1732 case lir_optvirtual_call: s = "optvirtual"; break;
1733 case lir_icvirtual_call: s = "icvirtual"; break;
1734 case lir_dynamic_call: s = "dynamic"; break;
1735 // LIR_OpArrayCopy
1736 case lir_arraycopy: s = "arraycopy"; break;
1737 // LIR_OpUpdateCRC32
1738 case lir_updatecrc32: s = "updatecrc32"; break;
1739 // LIR_OpLock
1740 case lir_lock: s = "lock"; break;
1741 case lir_unlock: s = "unlock"; break;
1742 // LIR_OpTypeCheck
1743 case lir_instanceof: s = "instanceof"; break;
1744 case lir_checkcast: s = "checkcast"; break;
1745 case lir_store_check: s = "store_check"; break;
1746 // LIR_OpCompareAndSwap
1747 case lir_cas_long: s = "cas_long"; break;
1748 case lir_cas_obj: s = "cas_obj"; break;
1749 case lir_cas_int: s = "cas_int"; break;
1750 // LIR_OpProfileCall
1751 case lir_profile_call: s = "profile_call"; break;
1752 // LIR_OpProfileType
1753 case lir_profile_type: s = "profile_type"; break;
1754 // LIR_OpAssert
1755 #ifdef ASSERT
1756 case lir_assert: s = "assert"; break;
1757 #endif
1758 case lir_none: ShouldNotReachHere();break;
1759 default: s = "illegal_op"; break;
1760 }
1761 return s;
1762 }
1763
1764 // LIR_OpJavaCall
1765 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1766 out->print("call: ");
1767 out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1768 if (receiver()->is_valid()) {
1769 out->print(" [recv: "); receiver()->print(out); out->print("]");
1770 }
1771 if (result_opr()->is_valid()) {
1772 out->print(" [result: "); result_opr()->print(out); out->print("]");
1773 }
1774 }
1775
1776 // LIR_OpLabel
1777 void LIR_OpLabel::print_instr(outputStream* out) const {
1778 out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1779 }
1780
1781 // LIR_OpArrayCopy
1782 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1783 src()->print(out); out->print(" ");
1784 src_pos()->print(out); out->print(" ");
1785 dst()->print(out); out->print(" ");
1786 dst_pos()->print(out); out->print(" ");
1787 length()->print(out); out->print(" ");
1788 tmp()->print(out); out->print(" ");
1789 }
1790
1791 // LIR_OpUpdateCRC32
1792 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1793 crc()->print(out); out->print(" ");
1794 val()->print(out); out->print(" ");
1795 result_opr()->print(out); out->print(" ");
1796 }
1797
1798 // LIR_OpCompareAndSwap
1799 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1800 addr()->print(out); out->print(" ");
1801 cmp_value()->print(out); out->print(" ");
1802 new_value()->print(out); out->print(" ");
1803 tmp1()->print(out); out->print(" ");
1804 tmp2()->print(out); out->print(" ");
1805
1806 }
1807
1808 // LIR_Op0
1809 void LIR_Op0::print_instr(outputStream* out) const {
1810 result_opr()->print(out);
1811 }
1812
1813 // LIR_Op1
1814 const char * LIR_Op1::name() const {
1815 if (code() == lir_move) {
1816 switch (move_kind()) {
1817 case lir_move_normal:
1818 return "move";
1819 case lir_move_volatile:
1820 return "volatile_move";
1821 case lir_move_wide:
1822 return "wide_move";
1823 default:
1824 ShouldNotReachHere();
1825 return "illegal_op";
1826 }
1827 } else {
1828 return LIR_Op::name();
1829 }
1830 }
1831
1832
1833 void LIR_Op1::print_instr(outputStream* out) const {
1834 _opr->print(out); out->print(" ");
1835 result_opr()->print(out); out->print(" ");
1836 print_patch_code(out, patch_code());
1837 }
1838
1839
1840 // LIR_Op1
1841 void LIR_OpRTCall::print_instr(outputStream* out) const {
1842 intx a = (intx)addr();
1843 out->print("%s", Runtime1::name_for_address(addr()));
1844 out->print(" ");
1845 tmp()->print(out);
1846 }
1847
1848 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
1849 switch(code) {
1850 case lir_patch_none: break;
1851 case lir_patch_low: out->print("[patch_low]"); break;
1852 case lir_patch_high: out->print("[patch_high]"); break;
1853 case lir_patch_normal: out->print("[patch_normal]"); break;
1854 default: ShouldNotReachHere();
1855 }
1856 }
1857
1858 // LIR_OpBranch
1859 void LIR_OpBranch::print_instr(outputStream* out) const {
1860 print_condition(out, cond()); out->print(" ");
1861 in_opr1()->print(out); out->print(" ");
1862 in_opr2()->print(out); out->print(" ");
1863 if (block() != nullptr) {
1864 out->print("[B%d] ", block()->block_id());
1865 } else if (stub() != nullptr) {
1866 out->print("[");
1867 stub()->print_name(out);
1868 out->print(": " INTPTR_FORMAT "]", p2i(stub()));
1869 if (stub()->info() != nullptr) out->print(" [bci:%d]", stub()->info()->stack()->bci());
1870 } else {
1871 out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
1872 }
1873 if (ublock() != nullptr) {
1874 out->print("unordered: [B%d] ", ublock()->block_id());
1875 }
1876 }
1877
1878 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
1879 switch(cond) {
1880 case lir_cond_equal: out->print("[EQ]"); break;
1881 case lir_cond_notEqual: out->print("[NE]"); break;
1882 case lir_cond_less: out->print("[LT]"); break;
1883 case lir_cond_lessEqual: out->print("[LE]"); break;
1884 case lir_cond_greaterEqual: out->print("[GE]"); break;
1885 case lir_cond_greater: out->print("[GT]"); break;
1886 case lir_cond_belowEqual: out->print("[BE]"); break;
1887 case lir_cond_aboveEqual: out->print("[AE]"); break;
1888 case lir_cond_always: out->print("[AL]"); break;
1889 default: out->print("[%d]",cond); break;
1890 }
1891 }
1892
1893 // LIR_OpConvert
1894 void LIR_OpConvert::print_instr(outputStream* out) const {
1895 print_bytecode(out, bytecode());
1896 in_opr()->print(out); out->print(" ");
1897 result_opr()->print(out); out->print(" ");
1898 }
1899
1900 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
1901 switch(code) {
1902 case Bytecodes::_d2f: out->print("[d2f] "); break;
1903 case Bytecodes::_d2i: out->print("[d2i] "); break;
1904 case Bytecodes::_d2l: out->print("[d2l] "); break;
1905 case Bytecodes::_f2d: out->print("[f2d] "); break;
1906 case Bytecodes::_f2i: out->print("[f2i] "); break;
1907 case Bytecodes::_f2l: out->print("[f2l] "); break;
1908 case Bytecodes::_i2b: out->print("[i2b] "); break;
1909 case Bytecodes::_i2c: out->print("[i2c] "); break;
1910 case Bytecodes::_i2d: out->print("[i2d] "); break;
1911 case Bytecodes::_i2f: out->print("[i2f] "); break;
1912 case Bytecodes::_i2l: out->print("[i2l] "); break;
1913 case Bytecodes::_i2s: out->print("[i2s] "); break;
1914 case Bytecodes::_l2i: out->print("[l2i] "); break;
1915 case Bytecodes::_l2f: out->print("[l2f] "); break;
1916 case Bytecodes::_l2d: out->print("[l2d] "); break;
1917 default:
1918 out->print("[?%d]",code);
1919 break;
1920 }
1921 }
1922
1923 void LIR_OpAllocObj::print_instr(outputStream* out) const {
1924 klass()->print(out); out->print(" ");
1925 obj()->print(out); out->print(" ");
1926 tmp1()->print(out); out->print(" ");
1927 tmp2()->print(out); out->print(" ");
1928 tmp3()->print(out); out->print(" ");
1929 tmp4()->print(out); out->print(" ");
1930 out->print("[hdr:%d]", header_size()); out->print(" ");
1931 out->print("[obj:%d]", object_size()); out->print(" ");
1932 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1933 }
1934
1935 // LIR_Op2
1936 void LIR_Op2::print_instr(outputStream* out) const {
1937 if (code() == lir_cmp || code() == lir_branch || code() == lir_cond_float_branch) {
1938 print_condition(out, condition()); out->print(" ");
1939 }
1940 in_opr1()->print(out); out->print(" ");
1941 in_opr2()->print(out); out->print(" ");
1942 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); }
1943 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); }
1944 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); }
1945 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); }
1946 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); }
1947 result_opr()->print(out);
1948 }
1949
1950 void LIR_OpAllocArray::print_instr(outputStream* out) const {
1951 klass()->print(out); out->print(" ");
1952 len()->print(out); out->print(" ");
1953 obj()->print(out); out->print(" ");
1954 tmp1()->print(out); out->print(" ");
1955 tmp2()->print(out); out->print(" ");
1956 tmp3()->print(out); out->print(" ");
1957 tmp4()->print(out); out->print(" ");
1958 out->print("[type:0x%x]", type()); out->print(" ");
1959 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1960 }
1961
1962
1963 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
1964 object()->print(out); out->print(" ");
1965 if (code() == lir_store_check) {
1966 array()->print(out); out->print(" ");
1967 }
1968 if (code() != lir_store_check) {
1969 klass()->print_name_on(out); out->print(" ");
1970 if (fast_check()) out->print("fast_check ");
1971 }
1972 tmp1()->print(out); out->print(" ");
1973 tmp2()->print(out); out->print(" ");
1974 tmp3()->print(out); out->print(" ");
1975 result_opr()->print(out); out->print(" ");
1976 if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
1977 }
1978
1979
1980 // LIR_Op3
1981 void LIR_Op3::print_instr(outputStream* out) const {
1982 in_opr1()->print(out); out->print(" ");
1983 in_opr2()->print(out); out->print(" ");
1984 in_opr3()->print(out); out->print(" ");
1985 result_opr()->print(out);
1986 }
1987
1988 // LIR_Op4
1989 void LIR_Op4::print_instr(outputStream* out) const {
1990 print_condition(out, condition()); out->print(" ");
1991 in_opr1()->print(out); out->print(" ");
1992 in_opr2()->print(out); out->print(" ");
1993 in_opr3()->print(out); out->print(" ");
1994 in_opr4()->print(out); out->print(" ");
1995 result_opr()->print(out);
1996 }
1997
1998 void LIR_OpLock::print_instr(outputStream* out) const {
1999 hdr_opr()->print(out); out->print(" ");
2000 obj_opr()->print(out); out->print(" ");
2001 lock_opr()->print(out); out->print(" ");
2002 if (_scratch->is_valid()) {
2003 _scratch->print(out); out->print(" ");
2004 }
2005 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2006 }
2007
2008 void LIR_OpLoadKlass::print_instr(outputStream* out) const {
2009 obj()->print(out); out->print(" ");
2010 result_opr()->print(out); out->print(" ");
2011 }
2012
2013 #ifdef ASSERT
2014 void LIR_OpAssert::print_instr(outputStream* out) const {
2015 print_condition(out, condition()); out->print(" ");
2016 in_opr1()->print(out); out->print(" ");
2017 in_opr2()->print(out); out->print(", \"");
2018 out->print("%s", msg()); out->print("\"");
2019 }
2020 #endif
2021
2022
2023 // LIR_OpProfileCall
2024 void LIR_OpProfileCall::print_instr(outputStream* out) const {
2025 profiled_method()->name()->print_symbol_on(out);
2026 out->print(".");
2027 profiled_method()->holder()->name()->print_symbol_on(out);
2028 out->print(" @ %d ", profiled_bci());
2029 mdo()->print(out); out->print(" ");
2030 recv()->print(out); out->print(" ");
2031 tmp1()->print(out); out->print(" ");
2032 }
2033
2034 // LIR_OpProfileType
2035 void LIR_OpProfileType::print_instr(outputStream* out) const {
2036 out->print("exact = ");
2037 if (exact_klass() == nullptr) {
2038 out->print("unknown");
2039 } else {
2040 exact_klass()->print_name_on(out);
2041 }
2042 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2043 out->print(" ");
2044 mdp()->print(out); out->print(" ");
2045 obj()->print(out); out->print(" ");
2046 tmp()->print(out); out->print(" ");
2047 }
2048
2049 #endif // PRODUCT
2050
2051 // Implementation of LIR_InsertionBuffer
2052
2053 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2054 assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2055
2056 int i = number_of_insertion_points() - 1;
2057 if (i < 0 || index_at(i) < index) {
2058 append_new(index, 1);
2059 } else {
2060 assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2061 assert(count_at(i) > 0, "check");
2062 set_count_at(i, count_at(i) + 1);
2063 }
2064 _ops.push(op);
2065
2066 DEBUG_ONLY(verify());
2067 }
2068
2069 #ifdef ASSERT
2070 void LIR_InsertionBuffer::verify() {
2071 int sum = 0;
2072 int prev_idx = -1;
2073
2074 for (int i = 0; i < number_of_insertion_points(); i++) {
2075 assert(prev_idx < index_at(i), "index must be ordered ascending");
2076 sum += count_at(i);
2077 }
2078 assert(sum == number_of_ops(), "wrong total sum");
2079 }
2080 #endif