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 do_stub(opConvert->_stub); 505 506 break; 507 } 508 509 // LIR_OpBranch; 510 case lir_branch: // may have info, input and result register always invalid 511 case lir_cond_float_branch: // may have info, input and result register always invalid 512 { 513 assert(op->as_OpBranch() != nullptr, "must be"); 514 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 515 516 assert(opBranch->_tmp1->is_illegal() && opBranch->_tmp2->is_illegal() && 517 opBranch->_tmp3->is_illegal() && opBranch->_tmp4->is_illegal() && 518 opBranch->_tmp5->is_illegal(), "not used"); 519 520 if (opBranch->_opr1->is_valid()) do_input(opBranch->_opr1); 521 if (opBranch->_opr2->is_valid()) do_input(opBranch->_opr2); 522 523 if (opBranch->_info != nullptr) do_info(opBranch->_info); 524 assert(opBranch->_result->is_illegal(), "not used"); 525 if (opBranch->_stub != nullptr) opBranch->stub()->visit(this); 526 527 break; 528 } 529 530 531 // LIR_OpAllocObj 532 case lir_alloc_object: 533 { 534 assert(op->as_OpAllocObj() != nullptr, "must be"); 535 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 536 537 if (opAllocObj->_info) do_info(opAllocObj->_info); 538 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 539 do_temp(opAllocObj->_opr); 540 } 541 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 542 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 543 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 544 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 545 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 546 if (opAllocObj->_stub != nullptr) do_stub(opAllocObj->_stub); 547 break; 548 } 549 550 551 // LIR_Op2 552 case lir_cmp: 553 case lir_cmp_l2i: 554 case lir_ucmp_fd2i: 555 case lir_cmp_fd2i: 556 case lir_add: 557 case lir_sub: 558 case lir_rem: 559 case lir_logic_and: 560 case lir_logic_or: 561 case lir_logic_xor: 562 case lir_shl: 563 case lir_shr: 564 case lir_ushr: 565 case lir_xadd: 566 case lir_xchg: 567 case lir_assert: 568 { 569 assert(op->as_Op2() != nullptr, "must be"); 570 LIR_Op2* op2 = (LIR_Op2*)op; 571 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 572 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 573 574 if (op2->_info) do_info(op2->_info); 575 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 576 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 577 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 578 if (op2->_result->is_valid()) do_output(op2->_result); 579 if (op->code() == lir_xchg || op->code() == lir_xadd) { 580 // on ARM and PPC, return value is loaded first so could 581 // destroy inputs. On other platforms that implement those 582 // (x86, sparc), the extra constrainsts are harmless. 583 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 584 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 585 } 586 587 break; 588 } 589 590 // special handling for cmove: right input operand must not be equal 591 // to the result operand, otherwise the backend fails 592 case lir_cmove: 593 { 594 assert(op->as_Op4() != nullptr, "must be"); 595 LIR_Op4* op4 = (LIR_Op4*)op; 596 597 assert(op4->_info == nullptr && op4->_tmp1->is_illegal() && op4->_tmp2->is_illegal() && 598 op4->_tmp3->is_illegal() && op4->_tmp4->is_illegal() && op4->_tmp5->is_illegal(), "not used"); 599 assert(op4->_opr1->is_valid() && op4->_opr2->is_valid() && op4->_result->is_valid(), "used"); 600 601 do_input(op4->_opr1); 602 do_input(op4->_opr2); 603 if (op4->_opr3->is_valid()) do_input(op4->_opr3); 604 if (op4->_opr4->is_valid()) do_input(op4->_opr4); 605 do_temp(op4->_opr2); 606 do_output(op4->_result); 607 608 break; 609 } 610 611 // vspecial handling for strict operations: register input operands 612 // as temp to guarantee that they do not overlap with other 613 // registers 614 case lir_mul: 615 case lir_div: 616 { 617 assert(op->as_Op2() != nullptr, "must be"); 618 LIR_Op2* op2 = (LIR_Op2*)op; 619 620 assert(op2->_info == nullptr, "not used"); 621 assert(op2->_opr1->is_valid(), "used"); 622 assert(op2->_opr2->is_valid(), "used"); 623 assert(op2->_result->is_valid(), "used"); 624 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 625 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 626 627 do_input(op2->_opr1); do_temp(op2->_opr1); 628 do_input(op2->_opr2); do_temp(op2->_opr2); 629 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 630 do_output(op2->_result); 631 632 break; 633 } 634 635 case lir_throw: { 636 assert(op->as_Op2() != nullptr, "must be"); 637 LIR_Op2* op2 = (LIR_Op2*)op; 638 639 if (op2->_info) do_info(op2->_info); 640 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 641 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 642 assert(op2->_result->is_illegal(), "no result"); 643 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 644 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 645 646 break; 647 } 648 649 case lir_unwind: { 650 assert(op->as_Op1() != nullptr, "must be"); 651 LIR_Op1* op1 = (LIR_Op1*)op; 652 653 assert(op1->_info == nullptr, "no info"); 654 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 655 assert(op1->_tmp->is_illegal(), "not used"); 656 assert(op1->_result->is_illegal(), "no result"); 657 658 break; 659 } 660 661 // LIR_Op3 662 case lir_idiv: 663 case lir_irem: { 664 assert(op->as_Op3() != nullptr, "must be"); 665 LIR_Op3* op3= (LIR_Op3*)op; 666 667 if (op3->_info) do_info(op3->_info); 668 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 669 670 // second operand is input and temp, so ensure that second operand 671 // and third operand get not the same register 672 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 673 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 674 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 675 676 if (op3->_result->is_valid()) do_output(op3->_result); 677 678 break; 679 } 680 681 case lir_fmad: 682 case lir_fmaf: { 683 assert(op->as_Op3() != nullptr, "must be"); 684 LIR_Op3* op3= (LIR_Op3*)op; 685 assert(op3->_info == nullptr, "no info"); 686 do_input(op3->_opr1); 687 do_input(op3->_opr2); 688 do_input(op3->_opr3); 689 do_output(op3->_result); 690 break; 691 } 692 693 // LIR_OpJavaCall 694 case lir_static_call: 695 case lir_optvirtual_call: 696 case lir_icvirtual_call: 697 case lir_dynamic_call: { 698 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 699 assert(opJavaCall != nullptr, "must be"); 700 701 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 702 703 // only visit register parameters 704 int n = opJavaCall->_arguments->length(); 705 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 706 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 707 do_input(*opJavaCall->_arguments->adr_at(i)); 708 } 709 } 710 711 if (opJavaCall->_info) do_info(opJavaCall->_info); 712 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 713 opJavaCall->is_method_handle_invoke()) { 714 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 715 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 716 } 717 do_call(); 718 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 719 720 break; 721 } 722 723 724 // LIR_OpRTCall 725 case lir_rtcall: { 726 assert(op->as_OpRTCall() != nullptr, "must be"); 727 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 728 729 // only visit register parameters 730 int n = opRTCall->_arguments->length(); 731 for (int i = 0; i < n; i++) { 732 if (!opRTCall->_arguments->at(i)->is_pointer()) { 733 do_input(*opRTCall->_arguments->adr_at(i)); 734 } 735 } 736 if (opRTCall->_info) do_info(opRTCall->_info); 737 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 738 do_call(); 739 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 740 741 break; 742 } 743 744 745 // LIR_OpArrayCopy 746 case lir_arraycopy: { 747 assert(op->as_OpArrayCopy() != nullptr, "must be"); 748 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 749 750 assert(opArrayCopy->_result->is_illegal(), "unused"); 751 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 752 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 753 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 754 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 755 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 756 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 757 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 758 759 // the implementation of arraycopy always has a call into the runtime 760 do_call(); 761 762 break; 763 } 764 765 766 // LIR_OpUpdateCRC32 767 case lir_updatecrc32: { 768 assert(op->as_OpUpdateCRC32() != nullptr, "must be"); 769 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 770 771 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 772 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 773 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 774 assert(opUp->_info == nullptr, "no info for LIR_OpUpdateCRC32"); 775 776 break; 777 } 778 779 780 // LIR_OpLock 781 case lir_lock: 782 case lir_unlock: { 783 assert(op->as_OpLock() != nullptr, "must be"); 784 LIR_OpLock* opLock = (LIR_OpLock*)op; 785 786 if (opLock->_info) do_info(opLock->_info); 787 788 // TODO: check if these operands really have to be temp 789 // (or if input is sufficient). This may have influence on the oop map! 790 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 791 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 792 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 793 794 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 795 assert(opLock->_result->is_illegal(), "unused"); 796 797 do_stub(opLock->_stub); 798 799 break; 800 } 801 802 803 // LIR_OpTypeCheck 804 case lir_instanceof: 805 case lir_checkcast: 806 case lir_store_check: { 807 assert(op->as_OpTypeCheck() != nullptr, "must be"); 808 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 809 810 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 811 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 812 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 813 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 814 do_temp(opTypeCheck->_object); 815 } 816 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 817 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 818 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 819 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 820 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 821 if (opTypeCheck->_stub != nullptr) do_stub(opTypeCheck->_stub); 822 break; 823 } 824 825 // LIR_OpCompareAndSwap 826 case lir_cas_long: 827 case lir_cas_obj: 828 case lir_cas_int: { 829 assert(op->as_OpCompareAndSwap() != nullptr, "must be"); 830 LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op; 831 832 if (opCmpAndSwap->_info) do_info(opCmpAndSwap->_info); 833 assert(opCmpAndSwap->_addr->is_valid(), "used"); do_input(opCmpAndSwap->_addr); 834 do_temp(opCmpAndSwap->_addr); 835 assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value); 836 do_temp(opCmpAndSwap->_cmp_value); 837 assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value); 838 do_temp(opCmpAndSwap->_new_value); 839 if (opCmpAndSwap->_tmp1->is_valid()) do_temp(opCmpAndSwap->_tmp1); 840 if (opCmpAndSwap->_tmp2->is_valid()) do_temp(opCmpAndSwap->_tmp2); 841 if (opCmpAndSwap->_result->is_valid()) do_output(opCmpAndSwap->_result); 842 843 break; 844 } 845 846 847 // LIR_OpAllocArray; 848 case lir_alloc_array: { 849 assert(op->as_OpAllocArray() != nullptr, "must be"); 850 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 851 852 if (opAllocArray->_info) do_info(opAllocArray->_info); 853 if (opAllocArray->_klass->is_valid()) { do_input(opAllocArray->_klass); 854 do_temp(opAllocArray->_klass); 855 } 856 if (opAllocArray->_len->is_valid()) { do_input(opAllocArray->_len); 857 do_temp(opAllocArray->_len); 858 } 859 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 860 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 861 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 862 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 863 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 864 if (opAllocArray->_stub != nullptr) do_stub(opAllocArray->_stub); 865 break; 866 } 867 868 // LIR_OpLoadKlass 869 case lir_load_klass: 870 { 871 LIR_OpLoadKlass* opLoadKlass = op->as_OpLoadKlass(); 872 assert(opLoadKlass != nullptr, "must be"); 873 874 do_input(opLoadKlass->_obj); 875 do_output(opLoadKlass->_result); 876 if (opLoadKlass->_info) do_info(opLoadKlass->_info); 877 break; 878 } 879 880 881 // LIR_OpProfileCall: 882 case lir_profile_call: { 883 assert(op->as_OpProfileCall() != nullptr, "must be"); 884 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 885 886 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 887 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 888 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 889 break; 890 } 891 892 // LIR_OpProfileType: 893 case lir_profile_type: { 894 assert(op->as_OpProfileType() != nullptr, "must be"); 895 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 896 897 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 898 do_input(opProfileType->_obj); 899 do_temp(opProfileType->_tmp); 900 break; 901 } 902 default: 903 op->visit(this); 904 } 905 } 906 907 void LIR_Op::visit(LIR_OpVisitState* state) { 908 ShouldNotReachHere(); 909 } 910 911 void LIR_OpVisitState::do_stub(CodeStub* stub) { 912 if (stub != nullptr) { 913 stub->visit(this); 914 } 915 } 916 917 XHandlers* LIR_OpVisitState::all_xhandler() { 918 XHandlers* result = nullptr; 919 920 int i; 921 for (i = 0; i < info_count(); i++) { 922 if (info_at(i)->exception_handlers() != nullptr) { 923 result = info_at(i)->exception_handlers(); 924 break; 925 } 926 } 927 928 #ifdef ASSERT 929 for (i = 0; i < info_count(); i++) { 930 assert(info_at(i)->exception_handlers() == nullptr || 931 info_at(i)->exception_handlers() == result, 932 "only one xhandler list allowed per LIR-operation"); 933 } 934 #endif 935 936 if (result != nullptr) { 937 return result; 938 } else { 939 return new XHandlers(); 940 } 941 942 return result; 943 } 944 945 946 #ifdef ASSERT 947 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 948 visit(op); 949 950 return opr_count(inputMode) == 0 && 951 opr_count(outputMode) == 0 && 952 opr_count(tempMode) == 0 && 953 info_count() == 0 && 954 !has_call() && 955 !has_slow_case(); 956 } 957 #endif 958 959 // LIR_OpReturn 960 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) : 961 LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */), 962 _stub(nullptr) { 963 if (VM_Version::supports_stack_watermark_barrier()) { 964 _stub = new C1SafepointPollStub(); 965 } 966 } 967 968 //--------------------------------------------------- 969 970 971 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 972 masm->emit_call(this); 973 } 974 975 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 976 masm->emit_rtcall(this); 977 } 978 979 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 980 masm->emit_opLabel(this); 981 } 982 983 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 984 masm->emit_arraycopy(this); 985 ArrayCopyStub* code_stub = stub(); 986 if (code_stub != nullptr) { 987 masm->append_code_stub(code_stub); 988 } 989 } 990 991 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 992 masm->emit_updatecrc32(this); 993 } 994 995 void LIR_Op0::emit_code(LIR_Assembler* masm) { 996 masm->emit_op0(this); 997 } 998 999 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1000 masm->emit_op1(this); 1001 } 1002 1003 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1004 masm->emit_alloc_obj(this); 1005 masm->append_code_stub(stub()); 1006 } 1007 1008 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1009 masm->emit_opBranch(this); 1010 if (stub()) { 1011 masm->append_code_stub(stub()); 1012 } 1013 } 1014 1015 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1016 masm->emit_opConvert(this); 1017 if (stub() != nullptr) { 1018 masm->append_code_stub(stub()); 1019 } 1020 } 1021 1022 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1023 masm->emit_op2(this); 1024 } 1025 1026 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1027 masm->emit_alloc_array(this); 1028 masm->append_code_stub(stub()); 1029 } 1030 1031 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1032 masm->emit_opTypeCheck(this); 1033 if (stub()) { 1034 masm->append_code_stub(stub()); 1035 } 1036 } 1037 1038 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1039 masm->emit_compare_and_swap(this); 1040 } 1041 1042 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1043 masm->emit_op3(this); 1044 } 1045 1046 void LIR_Op4::emit_code(LIR_Assembler* masm) { 1047 masm->emit_op4(this); 1048 } 1049 1050 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1051 masm->emit_lock(this); 1052 if (stub()) { 1053 masm->append_code_stub(stub()); 1054 } 1055 } 1056 1057 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) { 1058 masm->emit_load_klass(this); 1059 } 1060 1061 #ifdef ASSERT 1062 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1063 masm->emit_assert(this); 1064 } 1065 #endif 1066 1067 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1068 masm->emit_profile_call(this); 1069 } 1070 1071 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1072 masm->emit_profile_type(this); 1073 } 1074 1075 // LIR_List 1076 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1077 : _operations(8) 1078 , _compilation(compilation) 1079 #ifndef PRODUCT 1080 , _block(block) 1081 #endif 1082 #ifdef ASSERT 1083 , _file(nullptr) 1084 , _line(0) 1085 #endif 1086 #ifdef RISCV 1087 , _cmp_opr1(LIR_OprFact::illegalOpr) 1088 , _cmp_opr2(LIR_OprFact::illegalOpr) 1089 #endif 1090 { } 1091 1092 1093 #ifdef ASSERT 1094 void LIR_List::set_file_and_line(const char * file, int line) { 1095 const char * f = strrchr(file, '/'); 1096 if (f == nullptr) f = strrchr(file, '\\'); 1097 if (f == nullptr) { 1098 f = file; 1099 } else { 1100 f++; 1101 } 1102 _file = f; 1103 _line = line; 1104 } 1105 #endif 1106 1107 #ifdef RISCV 1108 void LIR_List::set_cmp_oprs(LIR_Op* op) { 1109 switch (op->code()) { 1110 case lir_cmp: 1111 _cmp_opr1 = op->as_Op2()->in_opr1(); 1112 _cmp_opr2 = op->as_Op2()->in_opr2(); 1113 break; 1114 case lir_branch: // fall through 1115 case lir_cond_float_branch: 1116 assert(op->as_OpBranch()->cond() == lir_cond_always || 1117 (_cmp_opr1 != LIR_OprFact::illegalOpr && _cmp_opr2 != LIR_OprFact::illegalOpr), 1118 "conditional branches must have legal operands"); 1119 if (op->as_OpBranch()->cond() != lir_cond_always) { 1120 op->as_Op2()->set_in_opr1(_cmp_opr1); 1121 op->as_Op2()->set_in_opr2(_cmp_opr2); 1122 } 1123 break; 1124 case lir_cmove: 1125 op->as_Op4()->set_in_opr3(_cmp_opr1); 1126 op->as_Op4()->set_in_opr4(_cmp_opr2); 1127 break; 1128 case lir_cas_long: 1129 case lir_cas_obj: 1130 case lir_cas_int: 1131 _cmp_opr1 = op->as_OpCompareAndSwap()->result_opr(); 1132 _cmp_opr2 = LIR_OprFact::intConst(0); 1133 break; 1134 #if INCLUDE_ZGC 1135 case lir_xloadbarrier_test: 1136 _cmp_opr1 = FrameMap::as_opr(t1); 1137 _cmp_opr2 = LIR_OprFact::intConst(0); 1138 break; 1139 #endif 1140 default: 1141 break; 1142 } 1143 } 1144 #endif 1145 1146 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1147 assert(this == buffer->lir_list(), "wrong lir list"); 1148 const int n = _operations.length(); 1149 1150 if (buffer->number_of_ops() > 0) { 1151 // increase size of instructions list 1152 _operations.at_grow(n + buffer->number_of_ops() - 1, nullptr); 1153 // insert ops from buffer into instructions list 1154 int op_index = buffer->number_of_ops() - 1; 1155 int ip_index = buffer->number_of_insertion_points() - 1; 1156 int from_index = n - 1; 1157 int to_index = _operations.length() - 1; 1158 for (; ip_index >= 0; ip_index --) { 1159 int index = buffer->index_at(ip_index); 1160 // make room after insertion point 1161 while (index < from_index) { 1162 _operations.at_put(to_index --, _operations.at(from_index --)); 1163 } 1164 // insert ops from buffer 1165 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1166 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1167 } 1168 } 1169 } 1170 1171 buffer->finish(); 1172 } 1173 1174 1175 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1176 assert(reg->type() == T_OBJECT, "bad reg"); 1177 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1178 } 1179 1180 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1181 assert(reg->type() == T_METADATA, "bad reg"); 1182 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1183 } 1184 1185 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1186 append(new LIR_Op1( 1187 lir_move, 1188 LIR_OprFact::address(addr), 1189 src, 1190 addr->type(), 1191 patch_code, 1192 info)); 1193 } 1194 1195 1196 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1197 append(new LIR_Op1( 1198 lir_move, 1199 LIR_OprFact::address(address), 1200 dst, 1201 address->type(), 1202 patch_code, 1203 info, lir_move_volatile)); 1204 } 1205 1206 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1207 append(new LIR_Op1( 1208 lir_move, 1209 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1210 dst, 1211 type, 1212 patch_code, 1213 info, lir_move_volatile)); 1214 } 1215 1216 1217 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1218 append(new LIR_Op1( 1219 lir_move, 1220 LIR_OprFact::intConst(v), 1221 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1222 type, 1223 patch_code, 1224 info)); 1225 } 1226 1227 1228 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1229 append(new LIR_Op1( 1230 lir_move, 1231 LIR_OprFact::oopConst(o), 1232 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1233 type, 1234 patch_code, 1235 info)); 1236 } 1237 1238 1239 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1240 append(new LIR_Op1( 1241 lir_move, 1242 src, 1243 LIR_OprFact::address(addr), 1244 addr->type(), 1245 patch_code, 1246 info)); 1247 } 1248 1249 1250 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1251 append(new LIR_Op1( 1252 lir_move, 1253 src, 1254 LIR_OprFact::address(addr), 1255 addr->type(), 1256 patch_code, 1257 info, 1258 lir_move_volatile)); 1259 } 1260 1261 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1262 append(new LIR_Op1( 1263 lir_move, 1264 src, 1265 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1266 type, 1267 patch_code, 1268 info, lir_move_volatile)); 1269 } 1270 1271 1272 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1273 append(new LIR_Op3( 1274 lir_idiv, 1275 left, 1276 right, 1277 tmp, 1278 res, 1279 info)); 1280 } 1281 1282 1283 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1284 append(new LIR_Op3( 1285 lir_idiv, 1286 left, 1287 LIR_OprFact::intConst(right), 1288 tmp, 1289 res, 1290 info)); 1291 } 1292 1293 1294 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1295 append(new LIR_Op3( 1296 lir_irem, 1297 left, 1298 right, 1299 tmp, 1300 res, 1301 info)); 1302 } 1303 1304 1305 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1306 append(new LIR_Op3( 1307 lir_irem, 1308 left, 1309 LIR_OprFact::intConst(right), 1310 tmp, 1311 res, 1312 info)); 1313 } 1314 1315 1316 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1317 append(new LIR_Op2( 1318 lir_cmp, 1319 condition, 1320 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1321 LIR_OprFact::intConst(c), 1322 info)); 1323 } 1324 1325 1326 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1327 append(new LIR_Op2( 1328 lir_cmp, 1329 condition, 1330 reg, 1331 LIR_OprFact::address(addr), 1332 info)); 1333 } 1334 1335 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1336 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1337 append(new LIR_OpAllocObj( 1338 klass, 1339 dst, 1340 t1, 1341 t2, 1342 t3, 1343 t4, 1344 header_size, 1345 object_size, 1346 init_check, 1347 stub)); 1348 } 1349 1350 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) { 1351 append(new LIR_OpAllocArray( 1352 klass, 1353 len, 1354 dst, 1355 t1, 1356 t2, 1357 t3, 1358 t4, 1359 type, 1360 stub, 1361 zero_array)); 1362 } 1363 1364 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1365 append(new LIR_Op2( 1366 lir_shl, 1367 value, 1368 count, 1369 dst, 1370 tmp)); 1371 } 1372 1373 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1374 append(new LIR_Op2( 1375 lir_shr, 1376 value, 1377 count, 1378 dst, 1379 tmp)); 1380 } 1381 1382 1383 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1384 append(new LIR_Op2( 1385 lir_ushr, 1386 value, 1387 count, 1388 dst, 1389 tmp)); 1390 } 1391 1392 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1393 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1394 left, 1395 right, 1396 dst)); 1397 } 1398 1399 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1400 append(new LIR_OpLock( 1401 lir_lock, 1402 hdr, 1403 obj, 1404 lock, 1405 scratch, 1406 stub, 1407 info)); 1408 } 1409 1410 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1411 append(new LIR_OpLock( 1412 lir_unlock, 1413 hdr, 1414 obj, 1415 lock, 1416 scratch, 1417 stub, 1418 nullptr)); 1419 } 1420 1421 1422 void check_LIR() { 1423 // cannot do the proper checking as PRODUCT and other modes return different results 1424 // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table"); 1425 } 1426 1427 1428 1429 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1430 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1431 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1432 ciMethod* profiled_method, int profiled_bci) { 1433 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1434 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1435 if (profiled_method != nullptr && TypeProfileCasts) { 1436 c->set_profiled_method(profiled_method); 1437 c->set_profiled_bci(profiled_bci); 1438 c->set_should_profile(true); 1439 } 1440 append(c); 1441 } 1442 1443 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) { 1444 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, nullptr, info_for_patch, nullptr); 1445 if (profiled_method != nullptr && TypeProfileCasts) { 1446 c->set_profiled_method(profiled_method); 1447 c->set_profiled_bci(profiled_bci); 1448 c->set_should_profile(true); 1449 } 1450 append(c); 1451 } 1452 1453 1454 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1455 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1456 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1457 if (profiled_method != nullptr && TypeProfileCasts) { 1458 c->set_profiled_method(profiled_method); 1459 c->set_profiled_bci(profiled_bci); 1460 c->set_should_profile(true); 1461 } 1462 append(c); 1463 } 1464 1465 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) { 1466 if (deoptimize_on_null) { 1467 // Emit an explicit null check and deoptimize if opr is null 1468 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none); 1469 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr)); 1470 branch(lir_cond_equal, deopt); 1471 } else { 1472 // Emit an implicit null check 1473 append(new LIR_Op1(lir_null_check, opr, info)); 1474 } 1475 } 1476 1477 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1478 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1479 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1480 } 1481 1482 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1483 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1484 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1485 } 1486 1487 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1488 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1489 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1490 } 1491 1492 1493 #ifdef PRODUCT 1494 1495 void print_LIR(BlockList* blocks) { 1496 } 1497 1498 #else 1499 // LIR_Opr 1500 void LIR_Opr::print() const { 1501 print(tty); 1502 } 1503 1504 void LIR_Opr::print(outputStream* out) const { 1505 if (is_illegal()) { 1506 return; 1507 } 1508 1509 out->print("["); 1510 if (is_pointer()) { 1511 pointer()->print_value_on(out); 1512 } else if (is_single_stack()) { 1513 out->print("stack:%d", single_stack_ix()); 1514 } else if (is_double_stack()) { 1515 out->print("dbl_stack:%d",double_stack_ix()); 1516 } else if (is_virtual()) { 1517 out->print("R%d", vreg_number()); 1518 } else if (is_single_cpu()) { 1519 out->print("%s", as_register()->name()); 1520 } else if (is_double_cpu()) { 1521 out->print("%s", as_register_hi()->name()); 1522 out->print("%s", as_register_lo()->name()); 1523 #if defined(X86) 1524 } else if (is_single_xmm()) { 1525 out->print("%s", as_xmm_float_reg()->name()); 1526 } else if (is_double_xmm()) { 1527 out->print("%s", as_xmm_double_reg()->name()); 1528 } else if (is_single_fpu()) { 1529 out->print("fpu%d", fpu_regnr()); 1530 } else if (is_double_fpu()) { 1531 out->print("fpu%d", fpu_regnrLo()); 1532 #elif defined(AARCH64) 1533 } else if (is_single_fpu()) { 1534 out->print("fpu%d", fpu_regnr()); 1535 } else if (is_double_fpu()) { 1536 out->print("fpu%d", fpu_regnrLo()); 1537 #elif defined(ARM) 1538 } else if (is_single_fpu()) { 1539 out->print("s%d", fpu_regnr()); 1540 } else if (is_double_fpu()) { 1541 out->print("d%d", fpu_regnrLo() >> 1); 1542 #else 1543 } else if (is_single_fpu()) { 1544 out->print("%s", as_float_reg()->name()); 1545 } else if (is_double_fpu()) { 1546 out->print("%s", as_double_reg()->name()); 1547 #endif 1548 1549 } else if (is_illegal()) { 1550 out->print("-"); 1551 } else { 1552 out->print("Unknown Operand"); 1553 } 1554 if (!is_illegal()) { 1555 out->print("|%c", type_char()); 1556 } 1557 if (is_register() && is_last_use()) { 1558 out->print("(last_use)"); 1559 } 1560 out->print("]"); 1561 } 1562 1563 1564 // LIR_Address 1565 void LIR_Const::print_value_on(outputStream* out) const { 1566 switch (type()) { 1567 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1568 case T_INT: out->print("int:%d", as_jint()); break; 1569 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1570 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1571 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1572 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1573 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1574 default: out->print("%3d:" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1575 } 1576 } 1577 1578 // LIR_Address 1579 void LIR_Address::print_value_on(outputStream* out) const { 1580 out->print("Base:"); _base->print(out); 1581 if (!_index->is_illegal()) { 1582 out->print(" Index:"); _index->print(out); 1583 switch (scale()) { 1584 case times_1: break; 1585 case times_2: out->print(" * 2"); break; 1586 case times_4: out->print(" * 4"); break; 1587 case times_8: out->print(" * 8"); break; 1588 } 1589 } 1590 out->print(" Disp: %zd", _disp); 1591 } 1592 1593 // debug output of block header without InstructionPrinter 1594 // (because phi functions are not necessary for LIR) 1595 static void print_block(BlockBegin* x) { 1596 // print block id 1597 BlockEnd* end = x->end(); 1598 tty->print("B%d ", x->block_id()); 1599 1600 // print flags 1601 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1602 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1603 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1604 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1605 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1606 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1607 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1608 1609 // print block bci range 1610 tty->print("[%d, %d] ", x->bci(), (end == nullptr ? -1 : end->printable_bci())); 1611 1612 // print predecessors and successors 1613 if (x->number_of_preds() > 0) { 1614 tty->print("preds: "); 1615 for (int i = 0; i < x->number_of_preds(); i ++) { 1616 tty->print("B%d ", x->pred_at(i)->block_id()); 1617 } 1618 } 1619 1620 if (end != nullptr && x->number_of_sux() > 0) { 1621 tty->print("sux: "); 1622 for (int i = 0; i < x->number_of_sux(); i ++) { 1623 tty->print("B%d ", x->sux_at(i)->block_id()); 1624 } 1625 } 1626 1627 // print exception handlers 1628 if (x->number_of_exception_handlers() > 0) { 1629 tty->print("xhandler: "); 1630 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1631 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1632 } 1633 } 1634 1635 tty->cr(); 1636 } 1637 1638 void print_LIR(BlockList* blocks) { 1639 tty->print_cr("LIR:"); 1640 int i; 1641 for (i = 0; i < blocks->length(); i++) { 1642 BlockBegin* bb = blocks->at(i); 1643 print_block(bb); 1644 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1645 bb->lir()->print_instructions(); 1646 } 1647 } 1648 1649 void LIR_List::print_instructions() { 1650 for (int i = 0; i < _operations.length(); i++) { 1651 _operations.at(i)->print(); tty->cr(); 1652 } 1653 tty->cr(); 1654 } 1655 1656 // LIR_Ops printing routines 1657 // LIR_Op 1658 void LIR_Op::print_on(outputStream* out) const { 1659 if (id() != -1 || PrintCFGToFile) { 1660 out->print("%4d ", id()); 1661 } else { 1662 out->print(" "); 1663 } 1664 out->print("%s ", name()); 1665 print_instr(out); 1666 if (info() != nullptr) out->print(" [bci:%d]", info()->stack()->bci()); 1667 #ifdef ASSERT 1668 if (Verbose && _file != nullptr) { 1669 out->print(" (%s:%d)", _file, _line); 1670 } 1671 #endif 1672 } 1673 1674 const char * LIR_Op::name() const { 1675 const char* s = nullptr; 1676 switch(code()) { 1677 // LIR_Op0 1678 case lir_membar: s = "membar"; break; 1679 case lir_membar_acquire: s = "membar_acquire"; break; 1680 case lir_membar_release: s = "membar_release"; break; 1681 case lir_membar_loadload: s = "membar_loadload"; break; 1682 case lir_membar_storestore: s = "membar_storestore"; break; 1683 case lir_membar_loadstore: s = "membar_loadstore"; break; 1684 case lir_membar_storeload: s = "membar_storeload"; break; 1685 case lir_label: s = "label"; break; 1686 case lir_nop: s = "nop"; break; 1687 case lir_on_spin_wait: s = "on_spin_wait"; break; 1688 case lir_std_entry: s = "std_entry"; break; 1689 case lir_osr_entry: s = "osr_entry"; break; 1690 case lir_breakpoint: s = "breakpoint"; break; 1691 case lir_get_thread: s = "get_thread"; break; 1692 // LIR_Op1 1693 case lir_push: s = "push"; break; 1694 case lir_pop: s = "pop"; break; 1695 case lir_null_check: s = "null_check"; break; 1696 case lir_return: s = "return"; break; 1697 case lir_safepoint: s = "safepoint"; break; 1698 case lir_leal: s = "leal"; break; 1699 case lir_branch: s = "branch"; break; 1700 case lir_cond_float_branch: s = "flt_cond_br"; break; 1701 case lir_move: s = "move"; break; 1702 case lir_abs: s = "abs"; break; 1703 case lir_neg: s = "neg"; break; 1704 case lir_sqrt: s = "sqrt"; break; 1705 case lir_f2hf: s = "f2hf"; break; 1706 case lir_hf2f: s = "hf2f"; break; 1707 case lir_rtcall: s = "rtcall"; break; 1708 case lir_throw: s = "throw"; break; 1709 case lir_unwind: s = "unwind"; break; 1710 case lir_convert: s = "convert"; break; 1711 case lir_alloc_object: s = "alloc_obj"; break; 1712 case lir_monaddr: s = "mon_addr"; break; 1713 // LIR_Op2 1714 case lir_cmp: s = "cmp"; break; 1715 case lir_cmp_l2i: s = "cmp_l2i"; break; 1716 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1717 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1718 case lir_add: s = "add"; break; 1719 case lir_sub: s = "sub"; break; 1720 case lir_mul: s = "mul"; break; 1721 case lir_div: s = "div"; break; 1722 case lir_rem: s = "rem"; break; 1723 case lir_logic_and: s = "logic_and"; break; 1724 case lir_logic_or: s = "logic_or"; break; 1725 case lir_logic_xor: s = "logic_xor"; break; 1726 case lir_shl: s = "shift_left"; break; 1727 case lir_shr: s = "shift_right"; break; 1728 case lir_ushr: s = "ushift_right"; break; 1729 case lir_alloc_array: s = "alloc_array"; break; 1730 case lir_xadd: s = "xadd"; break; 1731 case lir_xchg: s = "xchg"; break; 1732 // LIR_Op3 1733 case lir_idiv: s = "idiv"; break; 1734 case lir_irem: s = "irem"; break; 1735 case lir_fmad: s = "fmad"; break; 1736 case lir_fmaf: s = "fmaf"; break; 1737 // LIR_Op4 1738 case lir_cmove: s = "cmove"; break; 1739 // LIR_OpJavaCall 1740 case lir_static_call: s = "static"; break; 1741 case lir_optvirtual_call: s = "optvirtual"; break; 1742 case lir_icvirtual_call: s = "icvirtual"; break; 1743 case lir_dynamic_call: s = "dynamic"; break; 1744 // LIR_OpArrayCopy 1745 case lir_arraycopy: s = "arraycopy"; break; 1746 // LIR_OpUpdateCRC32 1747 case lir_updatecrc32: s = "updatecrc32"; break; 1748 // LIR_OpLock 1749 case lir_lock: s = "lock"; break; 1750 case lir_unlock: s = "unlock"; break; 1751 // LIR_OpTypeCheck 1752 case lir_instanceof: s = "instanceof"; break; 1753 case lir_checkcast: s = "checkcast"; break; 1754 case lir_store_check: s = "store_check"; break; 1755 // LIR_OpCompareAndSwap 1756 case lir_cas_long: s = "cas_long"; break; 1757 case lir_cas_obj: s = "cas_obj"; break; 1758 case lir_cas_int: s = "cas_int"; break; 1759 // LIR_OpProfileCall 1760 case lir_profile_call: s = "profile_call"; break; 1761 // LIR_OpProfileType 1762 case lir_profile_type: s = "profile_type"; break; 1763 // LIR_OpAssert 1764 #ifdef ASSERT 1765 case lir_assert: s = "assert"; break; 1766 #endif 1767 case lir_none: ShouldNotReachHere();break; 1768 default: s = "illegal_op"; break; 1769 } 1770 return s; 1771 } 1772 1773 // LIR_OpJavaCall 1774 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1775 out->print("call: "); 1776 out->print("[addr: " INTPTR_FORMAT "]", p2i(address())); 1777 if (receiver()->is_valid()) { 1778 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1779 } 1780 if (result_opr()->is_valid()) { 1781 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1782 } 1783 } 1784 1785 // LIR_OpLabel 1786 void LIR_OpLabel::print_instr(outputStream* out) const { 1787 out->print("[label:" INTPTR_FORMAT "]", p2i(_label)); 1788 } 1789 1790 // LIR_OpArrayCopy 1791 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1792 src()->print(out); out->print(" "); 1793 src_pos()->print(out); out->print(" "); 1794 dst()->print(out); out->print(" "); 1795 dst_pos()->print(out); out->print(" "); 1796 length()->print(out); out->print(" "); 1797 tmp()->print(out); out->print(" "); 1798 } 1799 1800 // LIR_OpUpdateCRC32 1801 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const { 1802 crc()->print(out); out->print(" "); 1803 val()->print(out); out->print(" "); 1804 result_opr()->print(out); out->print(" "); 1805 } 1806 1807 // LIR_OpCompareAndSwap 1808 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1809 addr()->print(out); out->print(" "); 1810 cmp_value()->print(out); out->print(" "); 1811 new_value()->print(out); out->print(" "); 1812 tmp1()->print(out); out->print(" "); 1813 tmp2()->print(out); out->print(" "); 1814 1815 } 1816 1817 // LIR_Op0 1818 void LIR_Op0::print_instr(outputStream* out) const { 1819 result_opr()->print(out); 1820 } 1821 1822 // LIR_Op1 1823 const char * LIR_Op1::name() const { 1824 if (code() == lir_move) { 1825 switch (move_kind()) { 1826 case lir_move_normal: 1827 return "move"; 1828 case lir_move_volatile: 1829 return "volatile_move"; 1830 case lir_move_wide: 1831 return "wide_move"; 1832 default: 1833 ShouldNotReachHere(); 1834 return "illegal_op"; 1835 } 1836 } else { 1837 return LIR_Op::name(); 1838 } 1839 } 1840 1841 1842 void LIR_Op1::print_instr(outputStream* out) const { 1843 _opr->print(out); out->print(" "); 1844 result_opr()->print(out); out->print(" "); 1845 print_patch_code(out, patch_code()); 1846 } 1847 1848 1849 // LIR_Op1 1850 void LIR_OpRTCall::print_instr(outputStream* out) const { 1851 intx a = (intx)addr(); 1852 out->print("%s", Runtime1::name_for_address(addr())); 1853 out->print(" "); 1854 tmp()->print(out); 1855 } 1856 1857 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1858 switch(code) { 1859 case lir_patch_none: break; 1860 case lir_patch_low: out->print("[patch_low]"); break; 1861 case lir_patch_high: out->print("[patch_high]"); break; 1862 case lir_patch_normal: out->print("[patch_normal]"); break; 1863 default: ShouldNotReachHere(); 1864 } 1865 } 1866 1867 // LIR_OpBranch 1868 void LIR_OpBranch::print_instr(outputStream* out) const { 1869 print_condition(out, cond()); out->print(" "); 1870 in_opr1()->print(out); out->print(" "); 1871 in_opr2()->print(out); out->print(" "); 1872 if (block() != nullptr) { 1873 out->print("[B%d] ", block()->block_id()); 1874 } else if (stub() != nullptr) { 1875 out->print("["); 1876 stub()->print_name(out); 1877 out->print(": " INTPTR_FORMAT "]", p2i(stub())); 1878 if (stub()->info() != nullptr) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1879 } else { 1880 out->print("[label:" INTPTR_FORMAT "] ", p2i(label())); 1881 } 1882 if (ublock() != nullptr) { 1883 out->print("unordered: [B%d] ", ublock()->block_id()); 1884 } 1885 } 1886 1887 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1888 switch(cond) { 1889 case lir_cond_equal: out->print("[EQ]"); break; 1890 case lir_cond_notEqual: out->print("[NE]"); break; 1891 case lir_cond_less: out->print("[LT]"); break; 1892 case lir_cond_lessEqual: out->print("[LE]"); break; 1893 case lir_cond_greaterEqual: out->print("[GE]"); break; 1894 case lir_cond_greater: out->print("[GT]"); break; 1895 case lir_cond_belowEqual: out->print("[BE]"); break; 1896 case lir_cond_aboveEqual: out->print("[AE]"); break; 1897 case lir_cond_always: out->print("[AL]"); break; 1898 default: out->print("[%d]",cond); break; 1899 } 1900 } 1901 1902 // LIR_OpConvert 1903 void LIR_OpConvert::print_instr(outputStream* out) const { 1904 print_bytecode(out, bytecode()); 1905 in_opr()->print(out); out->print(" "); 1906 result_opr()->print(out); out->print(" "); 1907 } 1908 1909 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1910 switch(code) { 1911 case Bytecodes::_d2f: out->print("[d2f] "); break; 1912 case Bytecodes::_d2i: out->print("[d2i] "); break; 1913 case Bytecodes::_d2l: out->print("[d2l] "); break; 1914 case Bytecodes::_f2d: out->print("[f2d] "); break; 1915 case Bytecodes::_f2i: out->print("[f2i] "); break; 1916 case Bytecodes::_f2l: out->print("[f2l] "); break; 1917 case Bytecodes::_i2b: out->print("[i2b] "); break; 1918 case Bytecodes::_i2c: out->print("[i2c] "); break; 1919 case Bytecodes::_i2d: out->print("[i2d] "); break; 1920 case Bytecodes::_i2f: out->print("[i2f] "); break; 1921 case Bytecodes::_i2l: out->print("[i2l] "); break; 1922 case Bytecodes::_i2s: out->print("[i2s] "); break; 1923 case Bytecodes::_l2i: out->print("[l2i] "); break; 1924 case Bytecodes::_l2f: out->print("[l2f] "); break; 1925 case Bytecodes::_l2d: out->print("[l2d] "); break; 1926 default: 1927 out->print("[?%d]",code); 1928 break; 1929 } 1930 } 1931 1932 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1933 klass()->print(out); out->print(" "); 1934 obj()->print(out); out->print(" "); 1935 tmp1()->print(out); out->print(" "); 1936 tmp2()->print(out); out->print(" "); 1937 tmp3()->print(out); out->print(" "); 1938 tmp4()->print(out); out->print(" "); 1939 out->print("[hdr:%d]", header_size()); out->print(" "); 1940 out->print("[obj:%d]", object_size()); out->print(" "); 1941 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1942 } 1943 1944 // LIR_Op2 1945 void LIR_Op2::print_instr(outputStream* out) const { 1946 if (code() == lir_cmp || code() == lir_branch || code() == lir_cond_float_branch) { 1947 print_condition(out, condition()); out->print(" "); 1948 } 1949 in_opr1()->print(out); out->print(" "); 1950 in_opr2()->print(out); out->print(" "); 1951 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 1952 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 1953 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 1954 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 1955 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 1956 result_opr()->print(out); 1957 } 1958 1959 void LIR_OpAllocArray::print_instr(outputStream* out) const { 1960 klass()->print(out); out->print(" "); 1961 len()->print(out); out->print(" "); 1962 obj()->print(out); out->print(" "); 1963 tmp1()->print(out); out->print(" "); 1964 tmp2()->print(out); out->print(" "); 1965 tmp3()->print(out); out->print(" "); 1966 tmp4()->print(out); out->print(" "); 1967 out->print("[type:0x%x]", type()); out->print(" "); 1968 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1969 } 1970 1971 1972 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 1973 object()->print(out); out->print(" "); 1974 if (code() == lir_store_check) { 1975 array()->print(out); out->print(" "); 1976 } 1977 if (code() != lir_store_check) { 1978 klass()->print_name_on(out); out->print(" "); 1979 if (fast_check()) out->print("fast_check "); 1980 } 1981 tmp1()->print(out); out->print(" "); 1982 tmp2()->print(out); out->print(" "); 1983 tmp3()->print(out); out->print(" "); 1984 result_opr()->print(out); out->print(" "); 1985 if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 1986 } 1987 1988 1989 // LIR_Op3 1990 void LIR_Op3::print_instr(outputStream* out) const { 1991 in_opr1()->print(out); out->print(" "); 1992 in_opr2()->print(out); out->print(" "); 1993 in_opr3()->print(out); out->print(" "); 1994 result_opr()->print(out); 1995 } 1996 1997 // LIR_Op4 1998 void LIR_Op4::print_instr(outputStream* out) const { 1999 print_condition(out, condition()); out->print(" "); 2000 in_opr1()->print(out); out->print(" "); 2001 in_opr2()->print(out); out->print(" "); 2002 in_opr3()->print(out); out->print(" "); 2003 in_opr4()->print(out); out->print(" "); 2004 result_opr()->print(out); 2005 } 2006 2007 void LIR_OpLock::print_instr(outputStream* out) const { 2008 hdr_opr()->print(out); out->print(" "); 2009 obj_opr()->print(out); out->print(" "); 2010 lock_opr()->print(out); out->print(" "); 2011 if (_scratch->is_valid()) { 2012 _scratch->print(out); out->print(" "); 2013 } 2014 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2015 } 2016 2017 void LIR_OpLoadKlass::print_instr(outputStream* out) const { 2018 obj()->print(out); out->print(" "); 2019 result_opr()->print(out); out->print(" "); 2020 } 2021 2022 #ifdef ASSERT 2023 void LIR_OpAssert::print_instr(outputStream* out) const { 2024 print_condition(out, condition()); out->print(" "); 2025 in_opr1()->print(out); out->print(" "); 2026 in_opr2()->print(out); out->print(", \""); 2027 out->print("%s", msg()); out->print("\""); 2028 } 2029 #endif 2030 2031 2032 // LIR_OpProfileCall 2033 void LIR_OpProfileCall::print_instr(outputStream* out) const { 2034 profiled_method()->name()->print_symbol_on(out); 2035 out->print("."); 2036 profiled_method()->holder()->name()->print_symbol_on(out); 2037 out->print(" @ %d ", profiled_bci()); 2038 mdo()->print(out); out->print(" "); 2039 recv()->print(out); out->print(" "); 2040 tmp1()->print(out); out->print(" "); 2041 } 2042 2043 // LIR_OpProfileType 2044 void LIR_OpProfileType::print_instr(outputStream* out) const { 2045 out->print("exact = "); 2046 if (exact_klass() == nullptr) { 2047 out->print("unknown"); 2048 } else { 2049 exact_klass()->print_name_on(out); 2050 } 2051 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass()); 2052 out->print(" "); 2053 mdp()->print(out); out->print(" "); 2054 obj()->print(out); out->print(" "); 2055 tmp()->print(out); out->print(" "); 2056 } 2057 2058 #endif // PRODUCT 2059 2060 // Implementation of LIR_InsertionBuffer 2061 2062 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 2063 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 2064 2065 int i = number_of_insertion_points() - 1; 2066 if (i < 0 || index_at(i) < index) { 2067 append_new(index, 1); 2068 } else { 2069 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2070 assert(count_at(i) > 0, "check"); 2071 set_count_at(i, count_at(i) + 1); 2072 } 2073 _ops.push(op); 2074 2075 DEBUG_ONLY(verify()); 2076 } 2077 2078 #ifdef ASSERT 2079 void LIR_InsertionBuffer::verify() { 2080 int sum = 0; 2081 int prev_idx = -1; 2082 2083 for (int i = 0; i < number_of_insertion_points(); i++) { 2084 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2085 sum += count_at(i); 2086 } 2087 assert(sum == number_of_ops(), "wrong total sum"); 2088 } 2089 #endif