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