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 --- EOF ---