1 /* 2 * Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "c1/c1_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/sharedRuntime.hpp" 32 33 Register LIR_OprDesc::as_register() const { 34 return FrameMap::cpu_rnr2reg(cpu_regnr()); 35 } 36 37 Register LIR_OprDesc::as_register_lo() const { 38 return FrameMap::cpu_rnr2reg(cpu_regnrLo()); 39 } 40 41 Register LIR_OprDesc::as_register_hi() const { 42 return FrameMap::cpu_rnr2reg(cpu_regnrHi()); 43 } 44 45 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal(); 46 47 LIR_Opr LIR_OprFact::value_type(ValueType* type) { 48 ValueTag tag = type->tag(); 49 switch (tag) { 50 case metaDataTag : { 51 ClassConstant* c = type->as_ClassConstant(); 52 if (c != NULL && !c->value()->is_loaded()) { 53 return LIR_OprFact::metadataConst(NULL); 54 } else if (c != NULL) { 55 return LIR_OprFact::metadataConst(c->value()->constant_encoding()); 56 } else { 57 MethodConstant* m = type->as_MethodConstant(); 58 assert (m != NULL, "not a class or a method?"); 59 return LIR_OprFact::metadataConst(m->value()->constant_encoding()); 60 } 61 } 62 case objectTag : { 63 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding()); 64 } 65 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value()); 66 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value()); 67 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value()); 68 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value()); 69 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value()); 70 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 71 } 72 } 73 74 75 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) { 76 switch (type->tag()) { 77 case objectTag: return LIR_OprFact::oopConst(NULL); 78 case addressTag:return LIR_OprFact::addressConst(0); 79 case intTag: return LIR_OprFact::intConst(0); 80 case floatTag: return LIR_OprFact::floatConst(0.0); 81 case longTag: return LIR_OprFact::longConst(0); 82 case doubleTag: return LIR_OprFact::doubleConst(0.0); 83 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 84 } 85 return illegalOpr; 86 } 87 88 89 90 //--------------------------------------------------- 91 92 93 LIR_Address::Scale LIR_Address::scale(BasicType type) { 94 int elem_size = type2aelembytes(type); 95 switch (elem_size) { 96 case 1: return LIR_Address::times_1; 97 case 2: return LIR_Address::times_2; 98 case 4: return LIR_Address::times_4; 99 case 8: return LIR_Address::times_8; 100 } 101 ShouldNotReachHere(); 102 return LIR_Address::times_1; 103 } 104 105 //--------------------------------------------------- 106 107 char LIR_OprDesc::type_char(BasicType t) { 108 switch (t) { 109 case T_ARRAY: 110 t = T_OBJECT; 111 case T_BOOLEAN: 112 case T_CHAR: 113 case T_FLOAT: 114 case T_DOUBLE: 115 case T_BYTE: 116 case T_SHORT: 117 case T_INT: 118 case T_LONG: 119 case T_OBJECT: 120 case T_ADDRESS: 121 case T_VOID: 122 return ::type2char(t); 123 case T_METADATA: 124 return 'M'; 125 case T_ILLEGAL: 126 return '?'; 127 128 default: 129 ShouldNotReachHere(); 130 return '?'; 131 } 132 } 133 134 #ifndef PRODUCT 135 void LIR_OprDesc::validate_type() const { 136 137 #ifdef ASSERT 138 if (!is_pointer() && !is_illegal()) { 139 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160 140 switch (as_BasicType(type_field())) { 141 case T_LONG: 142 assert((kindfield == cpu_register || kindfield == stack_value) && 143 size_field() == double_size, "must match"); 144 break; 145 case T_FLOAT: 146 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 147 assert((kindfield == fpu_register || kindfield == stack_value 148 ARM_ONLY(|| kindfield == cpu_register) 149 PPC32_ONLY(|| kindfield == cpu_register) ) && 150 size_field() == single_size, "must match"); 151 break; 152 case T_DOUBLE: 153 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 154 assert((kindfield == fpu_register || kindfield == stack_value 155 ARM_ONLY(|| kindfield == cpu_register) 156 PPC32_ONLY(|| kindfield == cpu_register) ) && 157 size_field() == double_size, "must match"); 158 break; 159 case T_BOOLEAN: 160 case T_CHAR: 161 case T_BYTE: 162 case T_SHORT: 163 case T_INT: 164 case T_ADDRESS: 165 case T_OBJECT: 166 case T_METADATA: 167 case T_ARRAY: 168 assert((kindfield == cpu_register || kindfield == stack_value) && 169 size_field() == single_size, "must match"); 170 break; 171 172 case T_ILLEGAL: 173 // XXX TKR also means unknown right now 174 // assert(is_illegal(), "must match"); 175 break; 176 177 default: 178 ShouldNotReachHere(); 179 } 180 } 181 #endif 182 183 } 184 #endif // PRODUCT 185 186 187 bool LIR_OprDesc::is_oop() const { 188 if (is_pointer()) { 189 return pointer()->is_oop_pointer(); 190 } else { 191 OprType t= type_field(); 192 assert(t != unknown_type, "not set"); 193 return t == object_type; 194 } 195 } 196 197 198 199 void LIR_Op2::verify() const { 200 #ifdef ASSERT 201 switch (code()) { 202 case lir_cmove: 203 case lir_xchg: 204 break; 205 206 default: 207 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(), 208 "can't produce oops from arith"); 209 } 210 211 if (TwoOperandLIRForm) { 212 213 #ifdef ASSERT 214 bool threeOperandForm = false; 215 #ifdef S390 216 // There are 3 operand shifts on S390 (see LIR_Assembler::shift_op()). 217 threeOperandForm = 218 code() == lir_shl || 219 ((code() == lir_shr || code() == lir_ushr) && (result_opr()->is_double_cpu() || in_opr1()->type() == T_OBJECT)); 220 #endif 221 #endif 222 223 switch (code()) { 224 case lir_add: 225 case lir_sub: 226 case lir_mul: 227 case lir_mul_strictfp: 228 case lir_div: 229 case lir_div_strictfp: 230 case lir_rem: 231 case lir_logic_and: 232 case lir_logic_or: 233 case lir_logic_xor: 234 case lir_shl: 235 case lir_shr: 236 assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match"); 237 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 238 break; 239 240 // special handling for lir_ushr because of write barriers 241 case lir_ushr: 242 assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant"); 243 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 244 break; 245 246 default: 247 break; 248 } 249 } 250 #endif 251 } 252 253 254 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block) 255 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 256 , _cond(cond) 257 , _type(type) 258 , _label(block->label()) 259 , _block(block) 260 , _ublock(NULL) 261 , _stub(NULL) { 262 } 263 264 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) : 265 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 266 , _cond(cond) 267 , _type(type) 268 , _label(stub->entry()) 269 , _block(NULL) 270 , _ublock(NULL) 271 , _stub(stub) { 272 } 273 274 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock) 275 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 276 , _cond(cond) 277 , _type(type) 278 , _label(block->label()) 279 , _block(block) 280 , _ublock(ublock) 281 , _stub(NULL) 282 { 283 } 284 285 void LIR_OpBranch::change_block(BlockBegin* b) { 286 assert(_block != NULL, "must have old block"); 287 assert(_block->label() == label(), "must be equal"); 288 289 _block = b; 290 _label = b->label(); 291 } 292 293 void LIR_OpBranch::change_ublock(BlockBegin* b) { 294 assert(_ublock != NULL, "must have old block"); 295 _ublock = b; 296 } 297 298 void LIR_OpBranch::negate_cond() { 299 switch (_cond) { 300 case lir_cond_equal: _cond = lir_cond_notEqual; break; 301 case lir_cond_notEqual: _cond = lir_cond_equal; break; 302 case lir_cond_less: _cond = lir_cond_greaterEqual; break; 303 case lir_cond_lessEqual: _cond = lir_cond_greater; break; 304 case lir_cond_greaterEqual: _cond = lir_cond_less; break; 305 case lir_cond_greater: _cond = lir_cond_lessEqual; break; 306 default: ShouldNotReachHere(); 307 } 308 } 309 310 311 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, 312 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 313 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, 314 CodeStub* stub) 315 316 : LIR_Op(code, result, NULL) 317 , _object(object) 318 , _array(LIR_OprFact::illegalOpr) 319 , _klass(klass) 320 , _tmp1(tmp1) 321 , _tmp2(tmp2) 322 , _tmp3(tmp3) 323 , _fast_check(fast_check) 324 , _stub(stub) 325 , _info_for_patch(info_for_patch) 326 , _info_for_exception(info_for_exception) 327 , _profiled_method(NULL) 328 , _profiled_bci(-1) 329 , _should_profile(false) 330 { 331 if (code == lir_checkcast) { 332 assert(info_for_exception != NULL, "checkcast throws exceptions"); 333 } else if (code == lir_instanceof) { 334 assert(info_for_exception == NULL, "instanceof throws no exceptions"); 335 } else { 336 ShouldNotReachHere(); 337 } 338 } 339 340 341 342 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) 343 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) 344 , _object(object) 345 , _array(array) 346 , _klass(NULL) 347 , _tmp1(tmp1) 348 , _tmp2(tmp2) 349 , _tmp3(tmp3) 350 , _fast_check(false) 351 , _stub(NULL) 352 , _info_for_patch(NULL) 353 , _info_for_exception(info_for_exception) 354 , _profiled_method(NULL) 355 , _profiled_bci(-1) 356 , _should_profile(false) 357 { 358 if (code == lir_store_check) { 359 _stub = new ArrayStoreExceptionStub(object, info_for_exception); 360 assert(info_for_exception != NULL, "store_check throws exceptions"); 361 } else { 362 ShouldNotReachHere(); 363 } 364 } 365 366 367 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, 368 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) 369 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info) 370 , _tmp(tmp) 371 , _src(src) 372 , _src_pos(src_pos) 373 , _dst(dst) 374 , _dst_pos(dst_pos) 375 , _flags(flags) 376 , _expected_type(expected_type) 377 , _length(length) { 378 _stub = new ArrayCopyStub(this); 379 } 380 381 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res) 382 : LIR_Op(lir_updatecrc32, res, NULL) 383 , _crc(crc) 384 , _val(val) { 385 } 386 387 //-------------------verify-------------------------- 388 389 void LIR_Op1::verify() const { 390 switch(code()) { 391 case lir_move: 392 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be"); 393 break; 394 case lir_null_check: 395 assert(in_opr()->is_register(), "must be"); 396 break; 397 case lir_return: 398 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be"); 399 break; 400 default: 401 break; 402 } 403 } 404 405 void LIR_OpRTCall::verify() const { 406 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function"); 407 } 408 409 //-------------------visits-------------------------- 410 411 // complete rework of LIR instruction visitor. 412 // The virtual call for each instruction type is replaced by a big 413 // switch that adds the operands for each instruction 414 415 void LIR_OpVisitState::visit(LIR_Op* op) { 416 // copy information from the LIR_Op 417 reset(); 418 set_op(op); 419 420 switch (op->code()) { 421 422 // LIR_Op0 423 case lir_word_align: // result and info always invalid 424 case lir_backwardbranch_target: // result and info always invalid 425 case lir_build_frame: // result and info always invalid 426 case lir_fpop_raw: // result and info always invalid 427 case lir_24bit_FPU: // result and info always invalid 428 case lir_reset_FPU: // result and info always invalid 429 case lir_breakpoint: // result and info always invalid 430 case lir_membar: // result and info always invalid 431 case lir_membar_acquire: // result and info always invalid 432 case lir_membar_release: // result and info always invalid 433 case lir_membar_loadload: // result and info always invalid 434 case lir_membar_storestore: // result and info always invalid 435 case lir_membar_loadstore: // result and info always invalid 436 case lir_membar_storeload: // result and info always invalid 437 case lir_on_spin_wait: 438 { 439 assert(op->as_Op0() != NULL, "must be"); 440 assert(op->_info == NULL, "info not used by this instruction"); 441 assert(op->_result->is_illegal(), "not used"); 442 break; 443 } 444 445 case lir_nop: // may have info, result always invalid 446 case lir_std_entry: // may have result, info always invalid 447 case lir_osr_entry: // may have result, info always invalid 448 case lir_get_thread: // may have result, info always invalid 449 { 450 assert(op->as_Op0() != NULL, "must be"); 451 if (op->_info != NULL) do_info(op->_info); 452 if (op->_result->is_valid()) do_output(op->_result); 453 break; 454 } 455 456 case lir_getfp: // result always valid 457 case lir_getsp: // result always valid 458 { 459 assert(op->as_Op0() != NULL, "must be"); 460 if (op->_info) do_info(op->_info); 461 if (op->_result->is_valid()) do_output(op->_result); 462 break; 463 } 464 465 466 467 // LIR_OpLabel 468 case lir_label: // result and info always invalid 469 { 470 assert(op->as_OpLabel() != NULL, "must be"); 471 assert(op->_info == NULL, "info not used by this instruction"); 472 assert(op->_result->is_illegal(), "not used"); 473 break; 474 } 475 476 477 // LIR_Op1 478 case lir_fxch: // input always valid, result and info always invalid 479 case lir_fld: // input always valid, result and info always invalid 480 case lir_ffree: // input always valid, result and info always invalid 481 case lir_push: // input always valid, result and info always invalid 482 case lir_pop: // input always valid, result and info always invalid 483 case lir_return: // input always valid, result and info always invalid 484 case lir_leal: // input and result always valid, info always invalid 485 case lir_neg: // input and result always valid, info always invalid 486 case lir_monaddr: // input and result always valid, info always invalid 487 case lir_null_check: // input and info always valid, result always invalid 488 case lir_move: // input and result always valid, may have info 489 case lir_pack64: // input and result always valid 490 case lir_unpack64: // input and result always valid 491 { 492 assert(op->as_Op1() != NULL, "must be"); 493 LIR_Op1* op1 = (LIR_Op1*)op; 494 495 if (op1->_info) do_info(op1->_info); 496 if (op1->_opr->is_valid()) do_input(op1->_opr); 497 if (op1->_result->is_valid()) do_output(op1->_result); 498 499 break; 500 } 501 502 case lir_safepoint: 503 { 504 assert(op->as_Op1() != NULL, "must be"); 505 LIR_Op1* op1 = (LIR_Op1*)op; 506 507 assert(op1->_info != NULL, ""); do_info(op1->_info); 508 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register 509 assert(op1->_result->is_illegal(), "safepoint does not produce value"); 510 511 break; 512 } 513 514 // LIR_OpConvert; 515 case lir_convert: // input and result always valid, info always invalid 516 { 517 assert(op->as_OpConvert() != NULL, "must be"); 518 LIR_OpConvert* opConvert = (LIR_OpConvert*)op; 519 520 assert(opConvert->_info == NULL, "must be"); 521 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr); 522 if (opConvert->_result->is_valid()) do_output(opConvert->_result); 523 #ifdef PPC32 524 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1); 525 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2); 526 #endif 527 do_stub(opConvert->_stub); 528 529 break; 530 } 531 532 // LIR_OpBranch; 533 case lir_branch: // may have info, input and result register always invalid 534 case lir_cond_float_branch: // may have info, input and result register always invalid 535 { 536 assert(op->as_OpBranch() != NULL, "must be"); 537 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 538 539 if (opBranch->_info != NULL) do_info(opBranch->_info); 540 assert(opBranch->_result->is_illegal(), "not used"); 541 if (opBranch->_stub != NULL) opBranch->stub()->visit(this); 542 543 break; 544 } 545 546 547 // LIR_OpAllocObj 548 case lir_alloc_object: 549 { 550 assert(op->as_OpAllocObj() != NULL, "must be"); 551 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 552 553 if (opAllocObj->_info) do_info(opAllocObj->_info); 554 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 555 do_temp(opAllocObj->_opr); 556 } 557 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 558 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 559 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 560 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 561 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 562 do_stub(opAllocObj->_stub); 563 break; 564 } 565 566 567 // LIR_OpRoundFP; 568 case lir_roundfp: { 569 assert(op->as_OpRoundFP() != NULL, "must be"); 570 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op; 571 572 assert(op->_info == NULL, "info not used by this instruction"); 573 assert(opRoundFP->_tmp->is_illegal(), "not used"); 574 do_input(opRoundFP->_opr); 575 do_output(opRoundFP->_result); 576 577 break; 578 } 579 580 581 // LIR_Op2 582 case lir_cmp: 583 case lir_cmp_l2i: 584 case lir_ucmp_fd2i: 585 case lir_cmp_fd2i: 586 case lir_add: 587 case lir_sub: 588 case lir_mul: 589 case lir_div: 590 case lir_rem: 591 case lir_sqrt: 592 case lir_abs: 593 case lir_logic_and: 594 case lir_logic_or: 595 case lir_logic_xor: 596 case lir_shl: 597 case lir_shr: 598 case lir_ushr: 599 case lir_xadd: 600 case lir_xchg: 601 case lir_assert: 602 { 603 assert(op->as_Op2() != NULL, "must be"); 604 LIR_Op2* op2 = (LIR_Op2*)op; 605 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 606 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 607 608 if (op2->_info) do_info(op2->_info); 609 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 610 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 611 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 612 if (op2->_result->is_valid()) do_output(op2->_result); 613 if (op->code() == lir_xchg || op->code() == lir_xadd) { 614 // on ARM and PPC, return value is loaded first so could 615 // destroy inputs. On other platforms that implement those 616 // (x86, sparc), the extra constrainsts are harmless. 617 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 618 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 619 } 620 621 break; 622 } 623 624 // special handling for cmove: right input operand must not be equal 625 // to the result operand, otherwise the backend fails 626 case lir_cmove: 627 { 628 assert(op->as_Op2() != NULL, "must be"); 629 LIR_Op2* op2 = (LIR_Op2*)op; 630 631 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() && 632 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 633 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used"); 634 635 do_input(op2->_opr1); 636 do_input(op2->_opr2); 637 do_temp(op2->_opr2); 638 do_output(op2->_result); 639 640 break; 641 } 642 643 // vspecial handling for strict operations: register input operands 644 // as temp to guarantee that they do not overlap with other 645 // registers 646 case lir_mul_strictfp: 647 case lir_div_strictfp: 648 { 649 assert(op->as_Op2() != NULL, "must be"); 650 LIR_Op2* op2 = (LIR_Op2*)op; 651 652 assert(op2->_info == NULL, "not used"); 653 assert(op2->_opr1->is_valid(), "used"); 654 assert(op2->_opr2->is_valid(), "used"); 655 assert(op2->_result->is_valid(), "used"); 656 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 657 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 658 659 do_input(op2->_opr1); do_temp(op2->_opr1); 660 do_input(op2->_opr2); do_temp(op2->_opr2); 661 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 662 do_output(op2->_result); 663 664 break; 665 } 666 667 case lir_throw: { 668 assert(op->as_Op2() != NULL, "must be"); 669 LIR_Op2* op2 = (LIR_Op2*)op; 670 671 if (op2->_info) do_info(op2->_info); 672 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 673 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 674 assert(op2->_result->is_illegal(), "no result"); 675 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 676 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 677 678 break; 679 } 680 681 case lir_unwind: { 682 assert(op->as_Op1() != NULL, "must be"); 683 LIR_Op1* op1 = (LIR_Op1*)op; 684 685 assert(op1->_info == NULL, "no info"); 686 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 687 assert(op1->_result->is_illegal(), "no result"); 688 689 break; 690 } 691 692 // LIR_Op3 693 case lir_idiv: 694 case lir_irem: { 695 assert(op->as_Op3() != NULL, "must be"); 696 LIR_Op3* op3= (LIR_Op3*)op; 697 698 if (op3->_info) do_info(op3->_info); 699 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 700 701 // second operand is input and temp, so ensure that second operand 702 // and third operand get not the same register 703 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 704 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 705 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 706 707 if (op3->_result->is_valid()) do_output(op3->_result); 708 709 break; 710 } 711 712 case lir_fmad: 713 case lir_fmaf: { 714 assert(op->as_Op3() != NULL, "must be"); 715 LIR_Op3* op3= (LIR_Op3*)op; 716 assert(op3->_info == NULL, "no info"); 717 do_input(op3->_opr1); 718 do_input(op3->_opr2); 719 do_input(op3->_opr3); 720 do_output(op3->_result); 721 break; 722 } 723 724 // LIR_OpJavaCall 725 case lir_static_call: 726 case lir_optvirtual_call: 727 case lir_icvirtual_call: 728 case lir_virtual_call: 729 case lir_dynamic_call: { 730 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 731 assert(opJavaCall != NULL, "must be"); 732 733 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 734 735 // only visit register parameters 736 int n = opJavaCall->_arguments->length(); 737 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 738 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 739 do_input(*opJavaCall->_arguments->adr_at(i)); 740 } 741 } 742 743 if (opJavaCall->_info) do_info(opJavaCall->_info); 744 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 745 opJavaCall->is_method_handle_invoke()) { 746 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 747 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 748 } 749 do_call(); 750 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 751 752 break; 753 } 754 755 756 // LIR_OpRTCall 757 case lir_rtcall: { 758 assert(op->as_OpRTCall() != NULL, "must be"); 759 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 760 761 // only visit register parameters 762 int n = opRTCall->_arguments->length(); 763 for (int i = 0; i < n; i++) { 764 if (!opRTCall->_arguments->at(i)->is_pointer()) { 765 do_input(*opRTCall->_arguments->adr_at(i)); 766 } 767 } 768 if (opRTCall->_info) do_info(opRTCall->_info); 769 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 770 do_call(); 771 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 772 773 break; 774 } 775 776 777 // LIR_OpArrayCopy 778 case lir_arraycopy: { 779 assert(op->as_OpArrayCopy() != NULL, "must be"); 780 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 781 782 assert(opArrayCopy->_result->is_illegal(), "unused"); 783 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 784 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 785 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 786 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 787 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 788 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 789 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 790 791 // the implementation of arraycopy always has a call into the runtime 792 do_call(); 793 794 break; 795 } 796 797 798 // LIR_OpUpdateCRC32 799 case lir_updatecrc32: { 800 assert(op->as_OpUpdateCRC32() != NULL, "must be"); 801 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 802 803 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 804 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 805 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 806 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32"); 807 808 break; 809 } 810 811 812 // LIR_OpLock 813 case lir_lock: 814 case lir_unlock: { 815 assert(op->as_OpLock() != NULL, "must be"); 816 LIR_OpLock* opLock = (LIR_OpLock*)op; 817 818 if (opLock->_info) do_info(opLock->_info); 819 820 // TODO: check if these operands really have to be temp 821 // (or if input is sufficient). This may have influence on the oop map! 822 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 823 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 824 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 825 826 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 827 assert(opLock->_result->is_illegal(), "unused"); 828 829 do_stub(opLock->_stub); 830 831 break; 832 } 833 834 835 // LIR_OpDelay 836 case lir_delay_slot: { 837 assert(op->as_OpDelay() != NULL, "must be"); 838 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 839 840 visit(opDelay->delay_op()); 841 break; 842 } 843 844 // LIR_OpTypeCheck 845 case lir_instanceof: 846 case lir_checkcast: 847 case lir_store_check: { 848 assert(op->as_OpTypeCheck() != NULL, "must be"); 849 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 850 851 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 852 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 853 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 854 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 855 do_temp(opTypeCheck->_object); 856 } 857 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 858 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 859 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 860 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 861 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 862 do_stub(opTypeCheck->_stub); 863 break; 864 } 865 866 // LIR_OpCompareAndSwap 867 case lir_cas_long: 868 case lir_cas_obj: 869 case lir_cas_int: { 870 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 871 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 872 873 assert(opCompareAndSwap->_addr->is_valid(), "used"); 874 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 875 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 876 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 877 do_input(opCompareAndSwap->_addr); 878 do_temp(opCompareAndSwap->_addr); 879 do_input(opCompareAndSwap->_cmp_value); 880 do_temp(opCompareAndSwap->_cmp_value); 881 do_input(opCompareAndSwap->_new_value); 882 do_temp(opCompareAndSwap->_new_value); 883 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 884 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 885 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 886 887 break; 888 } 889 890 891 // LIR_OpAllocArray; 892 case lir_alloc_array: { 893 assert(op->as_OpAllocArray() != NULL, "must be"); 894 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 895 896 if (opAllocArray->_info) do_info(opAllocArray->_info); 897 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 898 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 899 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 900 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 901 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 902 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 903 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 904 do_stub(opAllocArray->_stub); 905 break; 906 } 907 908 // LIR_OpProfileCall: 909 case lir_profile_call: { 910 assert(op->as_OpProfileCall() != NULL, "must be"); 911 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 912 913 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 914 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 915 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 916 break; 917 } 918 919 // LIR_OpProfileType: 920 case lir_profile_type: { 921 assert(op->as_OpProfileType() != NULL, "must be"); 922 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 923 924 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 925 do_input(opProfileType->_obj); 926 do_temp(opProfileType->_tmp); 927 break; 928 } 929 default: 930 op->visit(this); 931 } 932 } 933 934 void LIR_Op::visit(LIR_OpVisitState* state) { 935 ShouldNotReachHere(); 936 } 937 938 void LIR_OpVisitState::do_stub(CodeStub* stub) { 939 if (stub != NULL) { 940 stub->visit(this); 941 } 942 } 943 944 XHandlers* LIR_OpVisitState::all_xhandler() { 945 XHandlers* result = NULL; 946 947 int i; 948 for (i = 0; i < info_count(); i++) { 949 if (info_at(i)->exception_handlers() != NULL) { 950 result = info_at(i)->exception_handlers(); 951 break; 952 } 953 } 954 955 #ifdef ASSERT 956 for (i = 0; i < info_count(); i++) { 957 assert(info_at(i)->exception_handlers() == NULL || 958 info_at(i)->exception_handlers() == result, 959 "only one xhandler list allowed per LIR-operation"); 960 } 961 #endif 962 963 if (result != NULL) { 964 return result; 965 } else { 966 return new XHandlers(); 967 } 968 969 return result; 970 } 971 972 973 #ifdef ASSERT 974 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 975 visit(op); 976 977 return opr_count(inputMode) == 0 && 978 opr_count(outputMode) == 0 && 979 opr_count(tempMode) == 0 && 980 info_count() == 0 && 981 !has_call() && 982 !has_slow_case(); 983 } 984 #endif 985 986 //--------------------------------------------------- 987 988 989 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 990 masm->emit_call(this); 991 } 992 993 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 994 masm->emit_rtcall(this); 995 } 996 997 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 998 masm->emit_opLabel(this); 999 } 1000 1001 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 1002 masm->emit_arraycopy(this); 1003 masm->append_code_stub(stub()); 1004 } 1005 1006 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 1007 masm->emit_updatecrc32(this); 1008 } 1009 1010 void LIR_Op0::emit_code(LIR_Assembler* masm) { 1011 masm->emit_op0(this); 1012 } 1013 1014 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1015 masm->emit_op1(this); 1016 } 1017 1018 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1019 masm->emit_alloc_obj(this); 1020 masm->append_code_stub(stub()); 1021 } 1022 1023 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1024 masm->emit_opBranch(this); 1025 if (stub()) { 1026 masm->append_code_stub(stub()); 1027 } 1028 } 1029 1030 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1031 masm->emit_opConvert(this); 1032 if (stub() != NULL) { 1033 masm->append_code_stub(stub()); 1034 } 1035 } 1036 1037 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1038 masm->emit_op2(this); 1039 } 1040 1041 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1042 masm->emit_alloc_array(this); 1043 masm->append_code_stub(stub()); 1044 } 1045 1046 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1047 masm->emit_opTypeCheck(this); 1048 if (stub()) { 1049 masm->append_code_stub(stub()); 1050 } 1051 } 1052 1053 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1054 masm->emit_compare_and_swap(this); 1055 } 1056 1057 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1058 masm->emit_op3(this); 1059 } 1060 1061 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1062 masm->emit_lock(this); 1063 if (stub()) { 1064 masm->append_code_stub(stub()); 1065 } 1066 } 1067 1068 #ifdef ASSERT 1069 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1070 masm->emit_assert(this); 1071 } 1072 #endif 1073 1074 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1075 masm->emit_delay(this); 1076 } 1077 1078 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1079 masm->emit_profile_call(this); 1080 } 1081 1082 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1083 masm->emit_profile_type(this); 1084 } 1085 1086 // LIR_List 1087 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1088 : _operations(8) 1089 , _compilation(compilation) 1090 #ifndef PRODUCT 1091 , _block(block) 1092 #endif 1093 #ifdef ASSERT 1094 , _file(NULL) 1095 , _line(0) 1096 #endif 1097 { } 1098 1099 1100 #ifdef ASSERT 1101 void LIR_List::set_file_and_line(const char * file, int line) { 1102 const char * f = strrchr(file, '/'); 1103 if (f == NULL) f = strrchr(file, '\\'); 1104 if (f == NULL) { 1105 f = file; 1106 } else { 1107 f++; 1108 } 1109 _file = f; 1110 _line = line; 1111 } 1112 #endif 1113 1114 1115 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1116 assert(this == buffer->lir_list(), "wrong lir list"); 1117 const int n = _operations.length(); 1118 1119 if (buffer->number_of_ops() > 0) { 1120 // increase size of instructions list 1121 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1122 // insert ops from buffer into instructions list 1123 int op_index = buffer->number_of_ops() - 1; 1124 int ip_index = buffer->number_of_insertion_points() - 1; 1125 int from_index = n - 1; 1126 int to_index = _operations.length() - 1; 1127 for (; ip_index >= 0; ip_index --) { 1128 int index = buffer->index_at(ip_index); 1129 // make room after insertion point 1130 while (index < from_index) { 1131 _operations.at_put(to_index --, _operations.at(from_index --)); 1132 } 1133 // insert ops from buffer 1134 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1135 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1136 } 1137 } 1138 } 1139 1140 buffer->finish(); 1141 } 1142 1143 1144 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1145 assert(reg->type() == T_OBJECT, "bad reg"); 1146 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1147 } 1148 1149 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1150 assert(reg->type() == T_METADATA, "bad reg"); 1151 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1152 } 1153 1154 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1155 append(new LIR_Op1( 1156 lir_move, 1157 LIR_OprFact::address(addr), 1158 src, 1159 addr->type(), 1160 patch_code, 1161 info)); 1162 } 1163 1164 1165 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1166 append(new LIR_Op1( 1167 lir_move, 1168 LIR_OprFact::address(address), 1169 dst, 1170 address->type(), 1171 patch_code, 1172 info, lir_move_volatile)); 1173 } 1174 1175 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1176 append(new LIR_Op1( 1177 lir_move, 1178 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1179 dst, 1180 type, 1181 patch_code, 1182 info, lir_move_volatile)); 1183 } 1184 1185 1186 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1187 append(new LIR_Op1( 1188 lir_move, 1189 LIR_OprFact::intConst(v), 1190 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1191 type, 1192 patch_code, 1193 info)); 1194 } 1195 1196 1197 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1198 append(new LIR_Op1( 1199 lir_move, 1200 LIR_OprFact::oopConst(o), 1201 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1202 type, 1203 patch_code, 1204 info)); 1205 } 1206 1207 1208 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1209 append(new LIR_Op1( 1210 lir_move, 1211 src, 1212 LIR_OprFact::address(addr), 1213 addr->type(), 1214 patch_code, 1215 info)); 1216 } 1217 1218 1219 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1220 append(new LIR_Op1( 1221 lir_move, 1222 src, 1223 LIR_OprFact::address(addr), 1224 addr->type(), 1225 patch_code, 1226 info, 1227 lir_move_volatile)); 1228 } 1229 1230 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1231 append(new LIR_Op1( 1232 lir_move, 1233 src, 1234 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1235 type, 1236 patch_code, 1237 info, lir_move_volatile)); 1238 } 1239 1240 1241 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1242 append(new LIR_Op3( 1243 lir_idiv, 1244 left, 1245 right, 1246 tmp, 1247 res, 1248 info)); 1249 } 1250 1251 1252 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1253 append(new LIR_Op3( 1254 lir_idiv, 1255 left, 1256 LIR_OprFact::intConst(right), 1257 tmp, 1258 res, 1259 info)); 1260 } 1261 1262 1263 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1264 append(new LIR_Op3( 1265 lir_irem, 1266 left, 1267 right, 1268 tmp, 1269 res, 1270 info)); 1271 } 1272 1273 1274 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1275 append(new LIR_Op3( 1276 lir_irem, 1277 left, 1278 LIR_OprFact::intConst(right), 1279 tmp, 1280 res, 1281 info)); 1282 } 1283 1284 1285 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1286 append(new LIR_Op2( 1287 lir_cmp, 1288 condition, 1289 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1290 LIR_OprFact::intConst(c), 1291 info)); 1292 } 1293 1294 1295 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1296 append(new LIR_Op2( 1297 lir_cmp, 1298 condition, 1299 reg, 1300 LIR_OprFact::address(addr), 1301 info)); 1302 } 1303 1304 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1305 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1306 append(new LIR_OpAllocObj( 1307 klass, 1308 dst, 1309 t1, 1310 t2, 1311 t3, 1312 t4, 1313 header_size, 1314 object_size, 1315 init_check, 1316 stub)); 1317 } 1318 1319 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) { 1320 append(new LIR_OpAllocArray( 1321 klass, 1322 len, 1323 dst, 1324 t1, 1325 t2, 1326 t3, 1327 t4, 1328 type, 1329 stub)); 1330 } 1331 1332 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1333 append(new LIR_Op2( 1334 lir_shl, 1335 value, 1336 count, 1337 dst, 1338 tmp)); 1339 } 1340 1341 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1342 append(new LIR_Op2( 1343 lir_shr, 1344 value, 1345 count, 1346 dst, 1347 tmp)); 1348 } 1349 1350 1351 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1352 append(new LIR_Op2( 1353 lir_ushr, 1354 value, 1355 count, 1356 dst, 1357 tmp)); 1358 } 1359 1360 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1361 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1362 left, 1363 right, 1364 dst)); 1365 } 1366 1367 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1368 append(new LIR_OpLock( 1369 lir_lock, 1370 hdr, 1371 obj, 1372 lock, 1373 scratch, 1374 stub, 1375 info)); 1376 } 1377 1378 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1379 append(new LIR_OpLock( 1380 lir_unlock, 1381 hdr, 1382 obj, 1383 lock, 1384 scratch, 1385 stub, 1386 NULL)); 1387 } 1388 1389 1390 void check_LIR() { 1391 // cannot do the proper checking as PRODUCT and other modes return different results 1392 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1393 } 1394 1395 1396 1397 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1398 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1399 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1400 ciMethod* profiled_method, int profiled_bci) { 1401 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1402 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1403 if (profiled_method != NULL) { 1404 c->set_profiled_method(profiled_method); 1405 c->set_profiled_bci(profiled_bci); 1406 c->set_should_profile(true); 1407 } 1408 append(c); 1409 } 1410 1411 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) { 1412 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1413 if (profiled_method != NULL) { 1414 c->set_profiled_method(profiled_method); 1415 c->set_profiled_bci(profiled_bci); 1416 c->set_should_profile(true); 1417 } 1418 append(c); 1419 } 1420 1421 1422 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1423 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1424 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1425 if (profiled_method != NULL) { 1426 c->set_profiled_method(profiled_method); 1427 c->set_profiled_bci(profiled_bci); 1428 c->set_should_profile(true); 1429 } 1430 append(c); 1431 } 1432 1433 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) { 1434 if (deoptimize_on_null) { 1435 // Emit an explicit null check and deoptimize if opr is null 1436 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none); 1437 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(NULL)); 1438 branch(lir_cond_equal, T_OBJECT, deopt); 1439 } else { 1440 // Emit an implicit null check 1441 append(new LIR_Op1(lir_null_check, opr, info)); 1442 } 1443 } 1444 1445 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1446 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1447 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1448 } 1449 1450 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1451 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1452 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1453 } 1454 1455 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1456 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1457 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1458 } 1459 1460 1461 #ifdef PRODUCT 1462 1463 void print_LIR(BlockList* blocks) { 1464 } 1465 1466 #else 1467 // LIR_OprDesc 1468 void LIR_OprDesc::print() const { 1469 print(tty); 1470 } 1471 1472 void LIR_OprDesc::print(outputStream* out) const { 1473 if (is_illegal()) { 1474 return; 1475 } 1476 1477 out->print("["); 1478 if (is_pointer()) { 1479 pointer()->print_value_on(out); 1480 } else if (is_single_stack()) { 1481 out->print("stack:%d", single_stack_ix()); 1482 } else if (is_double_stack()) { 1483 out->print("dbl_stack:%d",double_stack_ix()); 1484 } else if (is_virtual()) { 1485 out->print("R%d", vreg_number()); 1486 } else if (is_single_cpu()) { 1487 out->print("%s", as_register()->name()); 1488 } else if (is_double_cpu()) { 1489 out->print("%s", as_register_hi()->name()); 1490 out->print("%s", as_register_lo()->name()); 1491 #if defined(X86) 1492 } else if (is_single_xmm()) { 1493 out->print("%s", as_xmm_float_reg()->name()); 1494 } else if (is_double_xmm()) { 1495 out->print("%s", as_xmm_double_reg()->name()); 1496 } else if (is_single_fpu()) { 1497 out->print("fpu%d", fpu_regnr()); 1498 } else if (is_double_fpu()) { 1499 out->print("fpu%d", fpu_regnrLo()); 1500 #elif defined(AARCH64) 1501 } else if (is_single_fpu()) { 1502 out->print("fpu%d", fpu_regnr()); 1503 } else if (is_double_fpu()) { 1504 out->print("fpu%d", fpu_regnrLo()); 1505 #elif defined(ARM) 1506 } else if (is_single_fpu()) { 1507 out->print("s%d", fpu_regnr()); 1508 } else if (is_double_fpu()) { 1509 out->print("d%d", fpu_regnrLo() >> 1); 1510 #else 1511 } else if (is_single_fpu()) { 1512 out->print("%s", as_float_reg()->name()); 1513 } else if (is_double_fpu()) { 1514 out->print("%s", as_double_reg()->name()); 1515 #endif 1516 1517 } else if (is_illegal()) { 1518 out->print("-"); 1519 } else { 1520 out->print("Unknown Operand"); 1521 } 1522 if (!is_illegal()) { 1523 out->print("|%c", type_char()); 1524 } 1525 if (is_register() && is_last_use()) { 1526 out->print("(last_use)"); 1527 } 1528 out->print("]"); 1529 } 1530 1531 1532 // LIR_Address 1533 void LIR_Const::print_value_on(outputStream* out) const { 1534 switch (type()) { 1535 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1536 case T_INT: out->print("int:%d", as_jint()); break; 1537 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1538 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1539 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1540 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1541 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1542 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1543 } 1544 } 1545 1546 // LIR_Address 1547 void LIR_Address::print_value_on(outputStream* out) const { 1548 out->print("Base:"); _base->print(out); 1549 if (!_index->is_illegal()) { 1550 out->print(" Index:"); _index->print(out); 1551 switch (scale()) { 1552 case times_1: break; 1553 case times_2: out->print(" * 2"); break; 1554 case times_4: out->print(" * 4"); break; 1555 case times_8: out->print(" * 8"); break; 1556 } 1557 } 1558 out->print(" Disp: " INTX_FORMAT, _disp); 1559 } 1560 1561 // debug output of block header without InstructionPrinter 1562 // (because phi functions are not necessary for LIR) 1563 static void print_block(BlockBegin* x) { 1564 // print block id 1565 BlockEnd* end = x->end(); 1566 tty->print("B%d ", x->block_id()); 1567 1568 // print flags 1569 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1570 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1571 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1572 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1573 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1574 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1575 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1576 1577 // print block bci range 1578 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1579 1580 // print predecessors and successors 1581 if (x->number_of_preds() > 0) { 1582 tty->print("preds: "); 1583 for (int i = 0; i < x->number_of_preds(); i ++) { 1584 tty->print("B%d ", x->pred_at(i)->block_id()); 1585 } 1586 } 1587 1588 if (x->number_of_sux() > 0) { 1589 tty->print("sux: "); 1590 for (int i = 0; i < x->number_of_sux(); i ++) { 1591 tty->print("B%d ", x->sux_at(i)->block_id()); 1592 } 1593 } 1594 1595 // print exception handlers 1596 if (x->number_of_exception_handlers() > 0) { 1597 tty->print("xhandler: "); 1598 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1599 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1600 } 1601 } 1602 1603 tty->cr(); 1604 } 1605 1606 void print_LIR(BlockList* blocks) { 1607 tty->print_cr("LIR:"); 1608 int i; 1609 for (i = 0; i < blocks->length(); i++) { 1610 BlockBegin* bb = blocks->at(i); 1611 print_block(bb); 1612 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1613 bb->lir()->print_instructions(); 1614 } 1615 } 1616 1617 void LIR_List::print_instructions() { 1618 for (int i = 0; i < _operations.length(); i++) { 1619 _operations.at(i)->print(); tty->cr(); 1620 } 1621 tty->cr(); 1622 } 1623 1624 // LIR_Ops printing routines 1625 // LIR_Op 1626 void LIR_Op::print_on(outputStream* out) const { 1627 if (id() != -1 || PrintCFGToFile) { 1628 out->print("%4d ", id()); 1629 } else { 1630 out->print(" "); 1631 } 1632 out->print("%s ", name()); 1633 print_instr(out); 1634 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1635 #ifdef ASSERT 1636 if (Verbose && _file != NULL) { 1637 out->print(" (%s:%d)", _file, _line); 1638 } 1639 #endif 1640 } 1641 1642 const char * LIR_Op::name() const { 1643 const char* s = NULL; 1644 switch(code()) { 1645 // LIR_Op0 1646 case lir_membar: s = "membar"; break; 1647 case lir_membar_acquire: s = "membar_acquire"; break; 1648 case lir_membar_release: s = "membar_release"; break; 1649 case lir_membar_loadload: s = "membar_loadload"; break; 1650 case lir_membar_storestore: s = "membar_storestore"; break; 1651 case lir_membar_loadstore: s = "membar_loadstore"; break; 1652 case lir_membar_storeload: s = "membar_storeload"; break; 1653 case lir_word_align: s = "word_align"; break; 1654 case lir_label: s = "label"; break; 1655 case lir_nop: s = "nop"; break; 1656 case lir_on_spin_wait: s = "on_spin_wait"; break; 1657 case lir_backwardbranch_target: s = "backbranch"; break; 1658 case lir_std_entry: s = "std_entry"; break; 1659 case lir_osr_entry: s = "osr_entry"; break; 1660 case lir_build_frame: s = "build_frm"; break; 1661 case lir_fpop_raw: s = "fpop_raw"; break; 1662 case lir_24bit_FPU: s = "24bit_FPU"; break; 1663 case lir_reset_FPU: s = "reset_FPU"; break; 1664 case lir_breakpoint: s = "breakpoint"; break; 1665 case lir_get_thread: s = "get_thread"; break; 1666 // LIR_Op1 1667 case lir_fxch: s = "fxch"; break; 1668 case lir_fld: s = "fld"; break; 1669 case lir_ffree: s = "ffree"; break; 1670 case lir_push: s = "push"; break; 1671 case lir_pop: s = "pop"; break; 1672 case lir_null_check: s = "null_check"; break; 1673 case lir_return: s = "return"; break; 1674 case lir_safepoint: s = "safepoint"; break; 1675 case lir_neg: s = "neg"; break; 1676 case lir_leal: s = "leal"; break; 1677 case lir_branch: s = "branch"; break; 1678 case lir_cond_float_branch: s = "flt_cond_br"; break; 1679 case lir_move: s = "move"; break; 1680 case lir_roundfp: s = "roundfp"; break; 1681 case lir_rtcall: s = "rtcall"; break; 1682 case lir_throw: s = "throw"; break; 1683 case lir_unwind: s = "unwind"; break; 1684 case lir_convert: s = "convert"; break; 1685 case lir_alloc_object: s = "alloc_obj"; break; 1686 case lir_monaddr: s = "mon_addr"; break; 1687 case lir_pack64: s = "pack64"; break; 1688 case lir_unpack64: s = "unpack64"; break; 1689 case lir_getsp: s = "getsp"; break; 1690 case lir_getfp: s = "getfp"; break; 1691 // LIR_Op2 1692 case lir_cmp: s = "cmp"; break; 1693 case lir_cmp_l2i: s = "cmp_l2i"; break; 1694 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1695 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1696 case lir_cmove: s = "cmove"; break; 1697 case lir_add: s = "add"; break; 1698 case lir_sub: s = "sub"; break; 1699 case lir_mul: s = "mul"; break; 1700 case lir_mul_strictfp: s = "mul_strictfp"; break; 1701 case lir_div: s = "div"; break; 1702 case lir_div_strictfp: s = "div_strictfp"; break; 1703 case lir_rem: s = "rem"; break; 1704 case lir_abs: s = "abs"; break; 1705 case lir_sqrt: s = "sqrt"; break; 1706 case lir_logic_and: s = "logic_and"; break; 1707 case lir_logic_or: s = "logic_or"; break; 1708 case lir_logic_xor: s = "logic_xor"; break; 1709 case lir_shl: s = "shift_left"; break; 1710 case lir_shr: s = "shift_right"; break; 1711 case lir_ushr: s = "ushift_right"; break; 1712 case lir_alloc_array: s = "alloc_array"; break; 1713 case lir_xadd: s = "xadd"; break; 1714 case lir_xchg: s = "xchg"; break; 1715 // LIR_Op3 1716 case lir_idiv: s = "idiv"; break; 1717 case lir_irem: s = "irem"; break; 1718 case lir_fmad: s = "fmad"; break; 1719 case lir_fmaf: s = "fmaf"; break; 1720 // LIR_OpJavaCall 1721 case lir_static_call: s = "static"; break; 1722 case lir_optvirtual_call: s = "optvirtual"; break; 1723 case lir_icvirtual_call: s = "icvirtual"; break; 1724 case lir_virtual_call: s = "virtual"; break; 1725 case lir_dynamic_call: s = "dynamic"; break; 1726 // LIR_OpArrayCopy 1727 case lir_arraycopy: s = "arraycopy"; break; 1728 // LIR_OpUpdateCRC32 1729 case lir_updatecrc32: s = "updatecrc32"; break; 1730 // LIR_OpLock 1731 case lir_lock: s = "lock"; break; 1732 case lir_unlock: s = "unlock"; break; 1733 // LIR_OpDelay 1734 case lir_delay_slot: s = "delay"; break; 1735 // LIR_OpTypeCheck 1736 case lir_instanceof: s = "instanceof"; break; 1737 case lir_checkcast: s = "checkcast"; break; 1738 case lir_store_check: s = "store_check"; break; 1739 // LIR_OpCompareAndSwap 1740 case lir_cas_long: s = "cas_long"; break; 1741 case lir_cas_obj: s = "cas_obj"; break; 1742 case lir_cas_int: s = "cas_int"; break; 1743 // LIR_OpProfileCall 1744 case lir_profile_call: s = "profile_call"; break; 1745 // LIR_OpProfileType 1746 case lir_profile_type: s = "profile_type"; break; 1747 // LIR_OpAssert 1748 #ifdef ASSERT 1749 case lir_assert: s = "assert"; break; 1750 #endif 1751 case lir_none: ShouldNotReachHere();break; 1752 default: s = "illegal_op"; break; 1753 } 1754 return s; 1755 } 1756 1757 // LIR_OpJavaCall 1758 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1759 out->print("call: "); 1760 out->print("[addr: " INTPTR_FORMAT "]", p2i(address())); 1761 if (receiver()->is_valid()) { 1762 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1763 } 1764 if (result_opr()->is_valid()) { 1765 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1766 } 1767 } 1768 1769 // LIR_OpLabel 1770 void LIR_OpLabel::print_instr(outputStream* out) const { 1771 out->print("[label:" INTPTR_FORMAT "]", p2i(_label)); 1772 } 1773 1774 // LIR_OpArrayCopy 1775 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1776 src()->print(out); out->print(" "); 1777 src_pos()->print(out); out->print(" "); 1778 dst()->print(out); out->print(" "); 1779 dst_pos()->print(out); out->print(" "); 1780 length()->print(out); out->print(" "); 1781 tmp()->print(out); out->print(" "); 1782 } 1783 1784 // LIR_OpUpdateCRC32 1785 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const { 1786 crc()->print(out); out->print(" "); 1787 val()->print(out); out->print(" "); 1788 result_opr()->print(out); out->print(" "); 1789 } 1790 1791 // LIR_OpCompareAndSwap 1792 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1793 addr()->print(out); out->print(" "); 1794 cmp_value()->print(out); out->print(" "); 1795 new_value()->print(out); out->print(" "); 1796 tmp1()->print(out); out->print(" "); 1797 tmp2()->print(out); out->print(" "); 1798 1799 } 1800 1801 // LIR_Op0 1802 void LIR_Op0::print_instr(outputStream* out) const { 1803 result_opr()->print(out); 1804 } 1805 1806 // LIR_Op1 1807 const char * LIR_Op1::name() const { 1808 if (code() == lir_move) { 1809 switch (move_kind()) { 1810 case lir_move_normal: 1811 return "move"; 1812 case lir_move_unaligned: 1813 return "unaligned move"; 1814 case lir_move_volatile: 1815 return "volatile_move"; 1816 case lir_move_wide: 1817 return "wide_move"; 1818 default: 1819 ShouldNotReachHere(); 1820 return "illegal_op"; 1821 } 1822 } else { 1823 return LIR_Op::name(); 1824 } 1825 } 1826 1827 1828 void LIR_Op1::print_instr(outputStream* out) const { 1829 _opr->print(out); out->print(" "); 1830 result_opr()->print(out); out->print(" "); 1831 print_patch_code(out, patch_code()); 1832 } 1833 1834 1835 // LIR_Op1 1836 void LIR_OpRTCall::print_instr(outputStream* out) const { 1837 intx a = (intx)addr(); 1838 out->print("%s", Runtime1::name_for_address(addr())); 1839 out->print(" "); 1840 tmp()->print(out); 1841 } 1842 1843 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1844 switch(code) { 1845 case lir_patch_none: break; 1846 case lir_patch_low: out->print("[patch_low]"); break; 1847 case lir_patch_high: out->print("[patch_high]"); break; 1848 case lir_patch_normal: out->print("[patch_normal]"); break; 1849 default: ShouldNotReachHere(); 1850 } 1851 } 1852 1853 // LIR_OpBranch 1854 void LIR_OpBranch::print_instr(outputStream* out) const { 1855 print_condition(out, cond()); out->print(" "); 1856 if (block() != NULL) { 1857 out->print("[B%d] ", block()->block_id()); 1858 } else if (stub() != NULL) { 1859 out->print("["); 1860 stub()->print_name(out); 1861 out->print(": " INTPTR_FORMAT "]", p2i(stub())); 1862 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1863 } else { 1864 out->print("[label:" INTPTR_FORMAT "] ", p2i(label())); 1865 } 1866 if (ublock() != NULL) { 1867 out->print("unordered: [B%d] ", ublock()->block_id()); 1868 } 1869 } 1870 1871 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1872 switch(cond) { 1873 case lir_cond_equal: out->print("[EQ]"); break; 1874 case lir_cond_notEqual: out->print("[NE]"); break; 1875 case lir_cond_less: out->print("[LT]"); break; 1876 case lir_cond_lessEqual: out->print("[LE]"); break; 1877 case lir_cond_greaterEqual: out->print("[GE]"); break; 1878 case lir_cond_greater: out->print("[GT]"); break; 1879 case lir_cond_belowEqual: out->print("[BE]"); break; 1880 case lir_cond_aboveEqual: out->print("[AE]"); break; 1881 case lir_cond_always: out->print("[AL]"); break; 1882 default: out->print("[%d]",cond); break; 1883 } 1884 } 1885 1886 // LIR_OpConvert 1887 void LIR_OpConvert::print_instr(outputStream* out) const { 1888 print_bytecode(out, bytecode()); 1889 in_opr()->print(out); out->print(" "); 1890 result_opr()->print(out); out->print(" "); 1891 #ifdef PPC32 1892 if(tmp1()->is_valid()) { 1893 tmp1()->print(out); out->print(" "); 1894 tmp2()->print(out); out->print(" "); 1895 } 1896 #endif 1897 } 1898 1899 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1900 switch(code) { 1901 case Bytecodes::_d2f: out->print("[d2f] "); break; 1902 case Bytecodes::_d2i: out->print("[d2i] "); break; 1903 case Bytecodes::_d2l: out->print("[d2l] "); break; 1904 case Bytecodes::_f2d: out->print("[f2d] "); break; 1905 case Bytecodes::_f2i: out->print("[f2i] "); break; 1906 case Bytecodes::_f2l: out->print("[f2l] "); break; 1907 case Bytecodes::_i2b: out->print("[i2b] "); break; 1908 case Bytecodes::_i2c: out->print("[i2c] "); break; 1909 case Bytecodes::_i2d: out->print("[i2d] "); break; 1910 case Bytecodes::_i2f: out->print("[i2f] "); break; 1911 case Bytecodes::_i2l: out->print("[i2l] "); break; 1912 case Bytecodes::_i2s: out->print("[i2s] "); break; 1913 case Bytecodes::_l2i: out->print("[l2i] "); break; 1914 case Bytecodes::_l2f: out->print("[l2f] "); break; 1915 case Bytecodes::_l2d: out->print("[l2d] "); break; 1916 default: 1917 out->print("[?%d]",code); 1918 break; 1919 } 1920 } 1921 1922 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1923 klass()->print(out); out->print(" "); 1924 obj()->print(out); out->print(" "); 1925 tmp1()->print(out); out->print(" "); 1926 tmp2()->print(out); out->print(" "); 1927 tmp3()->print(out); out->print(" "); 1928 tmp4()->print(out); out->print(" "); 1929 out->print("[hdr:%d]", header_size()); out->print(" "); 1930 out->print("[obj:%d]", object_size()); out->print(" "); 1931 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1932 } 1933 1934 void LIR_OpRoundFP::print_instr(outputStream* out) const { 1935 _opr->print(out); out->print(" "); 1936 tmp()->print(out); out->print(" "); 1937 result_opr()->print(out); out->print(" "); 1938 } 1939 1940 // LIR_Op2 1941 void LIR_Op2::print_instr(outputStream* out) const { 1942 if (code() == lir_cmove || code() == lir_cmp) { 1943 print_condition(out, condition()); out->print(" "); 1944 } 1945 in_opr1()->print(out); out->print(" "); 1946 in_opr2()->print(out); out->print(" "); 1947 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 1948 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 1949 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 1950 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 1951 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 1952 result_opr()->print(out); 1953 } 1954 1955 void LIR_OpAllocArray::print_instr(outputStream* out) const { 1956 klass()->print(out); out->print(" "); 1957 len()->print(out); out->print(" "); 1958 obj()->print(out); out->print(" "); 1959 tmp1()->print(out); out->print(" "); 1960 tmp2()->print(out); out->print(" "); 1961 tmp3()->print(out); out->print(" "); 1962 tmp4()->print(out); out->print(" "); 1963 out->print("[type:0x%x]", type()); out->print(" "); 1964 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1965 } 1966 1967 1968 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 1969 object()->print(out); out->print(" "); 1970 if (code() == lir_store_check) { 1971 array()->print(out); out->print(" "); 1972 } 1973 if (code() != lir_store_check) { 1974 klass()->print_name_on(out); out->print(" "); 1975 if (fast_check()) out->print("fast_check "); 1976 } 1977 tmp1()->print(out); out->print(" "); 1978 tmp2()->print(out); out->print(" "); 1979 tmp3()->print(out); out->print(" "); 1980 result_opr()->print(out); out->print(" "); 1981 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 1982 } 1983 1984 1985 // LIR_Op3 1986 void LIR_Op3::print_instr(outputStream* out) const { 1987 in_opr1()->print(out); out->print(" "); 1988 in_opr2()->print(out); out->print(" "); 1989 in_opr3()->print(out); out->print(" "); 1990 result_opr()->print(out); 1991 } 1992 1993 1994 void LIR_OpLock::print_instr(outputStream* out) const { 1995 hdr_opr()->print(out); out->print(" "); 1996 obj_opr()->print(out); out->print(" "); 1997 lock_opr()->print(out); out->print(" "); 1998 if (_scratch->is_valid()) { 1999 _scratch->print(out); out->print(" "); 2000 } 2001 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2002 } 2003 2004 #ifdef ASSERT 2005 void LIR_OpAssert::print_instr(outputStream* out) const { 2006 print_condition(out, condition()); out->print(" "); 2007 in_opr1()->print(out); out->print(" "); 2008 in_opr2()->print(out); out->print(", \""); 2009 out->print("%s", msg()); out->print("\""); 2010 } 2011 #endif 2012 2013 2014 void LIR_OpDelay::print_instr(outputStream* out) const { 2015 _op->print_on(out); 2016 } 2017 2018 2019 // LIR_OpProfileCall 2020 void LIR_OpProfileCall::print_instr(outputStream* out) const { 2021 profiled_method()->name()->print_symbol_on(out); 2022 out->print("."); 2023 profiled_method()->holder()->name()->print_symbol_on(out); 2024 out->print(" @ %d ", profiled_bci()); 2025 mdo()->print(out); out->print(" "); 2026 recv()->print(out); out->print(" "); 2027 tmp1()->print(out); out->print(" "); 2028 } 2029 2030 // LIR_OpProfileType 2031 void LIR_OpProfileType::print_instr(outputStream* out) const { 2032 out->print("exact = "); 2033 if (exact_klass() == NULL) { 2034 out->print("unknown"); 2035 } else { 2036 exact_klass()->print_name_on(out); 2037 } 2038 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass()); 2039 out->print(" "); 2040 mdp()->print(out); out->print(" "); 2041 obj()->print(out); out->print(" "); 2042 tmp()->print(out); out->print(" "); 2043 } 2044 2045 #endif // PRODUCT 2046 2047 // Implementation of LIR_InsertionBuffer 2048 2049 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 2050 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 2051 2052 int i = number_of_insertion_points() - 1; 2053 if (i < 0 || index_at(i) < index) { 2054 append_new(index, 1); 2055 } else { 2056 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2057 assert(count_at(i) > 0, "check"); 2058 set_count_at(i, count_at(i) + 1); 2059 } 2060 _ops.push(op); 2061 2062 DEBUG_ONLY(verify()); 2063 } 2064 2065 #ifdef ASSERT 2066 void LIR_InsertionBuffer::verify() { 2067 int sum = 0; 2068 int prev_idx = -1; 2069 2070 for (int i = 0; i < number_of_insertion_points(); i++) { 2071 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2072 sum += count_at(i); 2073 } 2074 assert(sum == number_of_ops(), "wrong total sum"); 2075 } 2076 #endif