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 case T_VALUETYPE: 111 t = T_OBJECT; 112 case T_BOOLEAN: 113 case T_CHAR: 114 case T_FLOAT: 115 case T_DOUBLE: 116 case T_BYTE: 117 case T_SHORT: 118 case T_INT: 119 case T_LONG: 120 case T_OBJECT: 121 case T_ADDRESS: 122 case T_VOID: 123 return ::type2char(t); 124 case T_METADATA: 125 return 'M'; 126 case T_ILLEGAL: 127 return '?'; 128 129 default: 130 ShouldNotReachHere(); 131 return '?'; 132 } 133 } 134 135 #ifndef PRODUCT 136 void LIR_OprDesc::validate_type() const { 137 138 #ifdef ASSERT 139 if (!is_pointer() && !is_illegal()) { 140 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160 141 switch (as_BasicType(type_field())) { 142 case T_LONG: 143 assert((kindfield == cpu_register || kindfield == stack_value) && 144 size_field() == double_size, "must match"); 145 break; 146 case T_FLOAT: 147 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 148 assert((kindfield == fpu_register || kindfield == stack_value 149 ARM_ONLY(|| kindfield == cpu_register) 150 PPC32_ONLY(|| kindfield == cpu_register) ) && 151 size_field() == single_size, "must match"); 152 break; 153 case T_DOUBLE: 154 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 155 assert((kindfield == fpu_register || kindfield == stack_value 156 ARM_ONLY(|| kindfield == cpu_register) 157 PPC32_ONLY(|| kindfield == cpu_register) ) && 158 size_field() == double_size, "must match"); 159 break; 160 case T_BOOLEAN: 161 case T_CHAR: 162 case T_BYTE: 163 case T_SHORT: 164 case T_INT: 165 case T_ADDRESS: 166 case T_OBJECT: 167 case T_METADATA: 168 case T_ARRAY: 169 case T_VALUETYPE: 170 assert((kindfield == cpu_register || kindfield == stack_value) && 171 size_field() == single_size, "must match"); 172 break; 173 174 case T_ILLEGAL: 175 // XXX TKR also means unknown right now 176 // assert(is_illegal(), "must match"); 177 break; 178 179 default: 180 ShouldNotReachHere(); 181 } 182 } 183 #endif 184 185 } 186 #endif // PRODUCT 187 188 189 bool LIR_OprDesc::is_oop() const { 190 if (is_pointer()) { 191 return pointer()->is_oop_pointer(); 192 } else { 193 OprType t= type_field(); 194 assert(t != unknown_type, "not set"); 195 return t == object_type; 196 } 197 } 198 199 200 201 void LIR_Op2::verify() const { 202 #ifdef ASSERT 203 switch (code()) { 204 case lir_cmove: 205 case lir_xchg: 206 break; 207 208 default: 209 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(), 210 "can't produce oops from arith"); 211 } 212 213 if (TwoOperandLIRForm) { 214 215 #ifdef ASSERT 216 bool threeOperandForm = false; 217 #ifdef S390 218 // There are 3 operand shifts on S390 (see LIR_Assembler::shift_op()). 219 threeOperandForm = 220 code() == lir_shl || 221 ((code() == lir_shr || code() == lir_ushr) && (result_opr()->is_double_cpu() || in_opr1()->type() == T_OBJECT)); 222 #endif 223 #endif 224 225 switch (code()) { 226 case lir_add: 227 case lir_sub: 228 case lir_mul: 229 case lir_mul_strictfp: 230 case lir_div: 231 case lir_div_strictfp: 232 case lir_rem: 233 case lir_logic_and: 234 case lir_logic_or: 235 case lir_logic_xor: 236 case lir_shl: 237 case lir_shr: 238 assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match"); 239 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 240 break; 241 242 // special handling for lir_ushr because of write barriers 243 case lir_ushr: 244 assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant"); 245 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 246 break; 247 248 default: 249 break; 250 } 251 } 252 #endif 253 } 254 255 256 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block) 257 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 258 , _cond(cond) 259 , _type(type) 260 , _label(block->label()) 261 , _block(block) 262 , _ublock(NULL) 263 , _stub(NULL) { 264 } 265 266 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) : 267 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 268 , _cond(cond) 269 , _type(type) 270 , _label(stub->entry()) 271 , _block(NULL) 272 , _ublock(NULL) 273 , _stub(stub) { 274 } 275 276 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock) 277 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 278 , _cond(cond) 279 , _type(type) 280 , _label(block->label()) 281 , _block(block) 282 , _ublock(ublock) 283 , _stub(NULL) 284 { 285 } 286 287 void LIR_OpBranch::change_block(BlockBegin* b) { 288 assert(_block != NULL, "must have old block"); 289 assert(_block->label() == label(), "must be equal"); 290 291 _block = b; 292 _label = b->label(); 293 } 294 295 void LIR_OpBranch::change_ublock(BlockBegin* b) { 296 assert(_ublock != NULL, "must have old block"); 297 _ublock = b; 298 } 299 300 void LIR_OpBranch::negate_cond() { 301 switch (_cond) { 302 case lir_cond_equal: _cond = lir_cond_notEqual; break; 303 case lir_cond_notEqual: _cond = lir_cond_equal; break; 304 case lir_cond_less: _cond = lir_cond_greaterEqual; break; 305 case lir_cond_lessEqual: _cond = lir_cond_greater; break; 306 case lir_cond_greaterEqual: _cond = lir_cond_less; break; 307 case lir_cond_greater: _cond = lir_cond_lessEqual; break; 308 default: ShouldNotReachHere(); 309 } 310 } 311 312 313 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, 314 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 315 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, 316 CodeStub* stub, bool need_null_check) 317 318 : LIR_Op(code, result, NULL) 319 , _object(object) 320 , _array(LIR_OprFact::illegalOpr) 321 , _klass(klass) 322 , _tmp1(tmp1) 323 , _tmp2(tmp2) 324 , _tmp3(tmp3) 325 , _fast_check(fast_check) 326 , _info_for_patch(info_for_patch) 327 , _info_for_exception(info_for_exception) 328 , _stub(stub) 329 , _profiled_method(NULL) 330 , _profiled_bci(-1) 331 , _should_profile(false) 332 , _need_null_check(need_null_check) 333 { 334 if (code == lir_checkcast) { 335 assert(info_for_exception != NULL, "checkcast throws exceptions"); 336 } else if (code == lir_instanceof) { 337 assert(info_for_exception == NULL, "instanceof throws no exceptions"); 338 } else { 339 ShouldNotReachHere(); 340 } 341 } 342 343 344 345 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) 346 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) 347 , _object(object) 348 , _array(array) 349 , _klass(NULL) 350 , _tmp1(tmp1) 351 , _tmp2(tmp2) 352 , _tmp3(tmp3) 353 , _fast_check(false) 354 , _info_for_patch(NULL) 355 , _info_for_exception(info_for_exception) 356 , _stub(NULL) 357 , _profiled_method(NULL) 358 , _profiled_bci(-1) 359 , _should_profile(false) 360 , _need_null_check(true) 361 { 362 if (code == lir_store_check) { 363 _stub = new ArrayStoreExceptionStub(object, info_for_exception); 364 assert(info_for_exception != NULL, "store_check throws exceptions"); 365 } else { 366 ShouldNotReachHere(); 367 } 368 } 369 370 371 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, 372 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) 373 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info) 374 , _src(src) 375 , _src_pos(src_pos) 376 , _dst(dst) 377 , _dst_pos(dst_pos) 378 , _length(length) 379 , _tmp(tmp) 380 , _expected_type(expected_type) 381 , _flags(flags) { 382 _stub = new ArrayCopyStub(this); 383 } 384 385 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res) 386 : LIR_Op(lir_updatecrc32, res, NULL) 387 , _crc(crc) 388 , _val(val) { 389 } 390 391 //-------------------verify-------------------------- 392 393 void LIR_Op1::verify() const { 394 switch(code()) { 395 case lir_move: 396 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be"); 397 break; 398 case lir_null_check: 399 assert(in_opr()->is_register(), "must be"); 400 break; 401 case lir_return: 402 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be"); 403 break; 404 default: 405 break; 406 } 407 } 408 409 void LIR_OpRTCall::verify() const { 410 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function"); 411 } 412 413 //-------------------visits-------------------------- 414 415 // complete rework of LIR instruction visitor. 416 // The virtual call for each instruction type is replaced by a big 417 // switch that adds the operands for each instruction 418 419 void LIR_OpVisitState::visit(LIR_Op* op) { 420 // copy information from the LIR_Op 421 reset(); 422 set_op(op); 423 424 switch (op->code()) { 425 426 // LIR_Op0 427 case lir_word_align: // result and info always invalid 428 case lir_backwardbranch_target: // result and info always invalid 429 case lir_build_frame: // result and info always invalid 430 case lir_fpop_raw: // result and info always invalid 431 case lir_24bit_FPU: // result and info always invalid 432 case lir_reset_FPU: // result and info always invalid 433 case lir_breakpoint: // result and info always invalid 434 case lir_membar: // result and info always invalid 435 case lir_membar_acquire: // result and info always invalid 436 case lir_membar_release: // result and info always invalid 437 case lir_membar_loadload: // result and info always invalid 438 case lir_membar_storestore: // result and info always invalid 439 case lir_membar_loadstore: // result and info always invalid 440 case lir_membar_storeload: // result and info always invalid 441 case lir_on_spin_wait: 442 { 443 assert(op->as_Op0() != NULL, "must be"); 444 assert(op->_info == NULL, "info not used by this instruction"); 445 assert(op->_result->is_illegal(), "not used"); 446 break; 447 } 448 449 case lir_nop: // may have info, result always invalid 450 case lir_std_entry: // may have result, info always invalid 451 case lir_osr_entry: // may have result, info always invalid 452 case lir_get_thread: // may have result, info always invalid 453 { 454 assert(op->as_Op0() != NULL, "must be"); 455 if (op->_info != NULL) do_info(op->_info); 456 if (op->_result->is_valid()) do_output(op->_result); 457 break; 458 } 459 460 461 // LIR_OpLabel 462 case lir_label: // result and info always invalid 463 { 464 assert(op->as_OpLabel() != NULL, "must be"); 465 assert(op->_info == NULL, "info not used by this instruction"); 466 assert(op->_result->is_illegal(), "not used"); 467 break; 468 } 469 470 471 // LIR_Op1 472 case lir_fxch: // input always valid, result and info always invalid 473 case lir_fld: // input always valid, result and info always invalid 474 case lir_ffree: // input always valid, result and info always invalid 475 case lir_push: // input always valid, result and info always invalid 476 case lir_pop: // input always valid, result and info always invalid 477 case lir_return: // input always valid, result and info always invalid 478 case lir_leal: // input and result always valid, info always invalid 479 case lir_monaddr: // input and result always valid, info always invalid 480 case lir_null_check: // input and info always valid, result always invalid 481 case lir_move: // input and result always valid, may have info 482 case lir_pack64: // input and result always valid 483 case lir_unpack64: // input and result always valid 484 { 485 assert(op->as_Op1() != NULL, "must be"); 486 LIR_Op1* op1 = (LIR_Op1*)op; 487 488 if (op1->_info) do_info(op1->_info); 489 if (op1->_opr->is_valid()) do_input(op1->_opr); 490 if (op1->_result->is_valid()) do_output(op1->_result); 491 492 break; 493 } 494 495 case lir_safepoint: 496 { 497 assert(op->as_Op1() != NULL, "must be"); 498 LIR_Op1* op1 = (LIR_Op1*)op; 499 500 assert(op1->_info != NULL, ""); do_info(op1->_info); 501 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register 502 assert(op1->_result->is_illegal(), "safepoint does not produce value"); 503 504 break; 505 } 506 507 // LIR_OpConvert; 508 case lir_convert: // input and result always valid, info always invalid 509 { 510 assert(op->as_OpConvert() != NULL, "must be"); 511 LIR_OpConvert* opConvert = (LIR_OpConvert*)op; 512 513 assert(opConvert->_info == NULL, "must be"); 514 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr); 515 if (opConvert->_result->is_valid()) do_output(opConvert->_result); 516 #ifdef PPC32 517 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1); 518 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2); 519 #endif 520 do_stub(opConvert->_stub); 521 522 break; 523 } 524 525 // LIR_OpBranch; 526 case lir_branch: // may have info, input and result register always invalid 527 case lir_cond_float_branch: // may have info, input and result register always invalid 528 { 529 assert(op->as_OpBranch() != NULL, "must be"); 530 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 531 532 if (opBranch->_info != NULL) do_info(opBranch->_info); 533 assert(opBranch->_result->is_illegal(), "not used"); 534 if (opBranch->_stub != NULL) opBranch->stub()->visit(this); 535 536 break; 537 } 538 539 540 // LIR_OpAllocObj 541 case lir_alloc_object: 542 { 543 assert(op->as_OpAllocObj() != NULL, "must be"); 544 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 545 546 if (opAllocObj->_info) do_info(opAllocObj->_info); 547 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 548 do_temp(opAllocObj->_opr); 549 } 550 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 551 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 552 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 553 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 554 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 555 do_stub(opAllocObj->_stub); 556 break; 557 } 558 559 560 // LIR_OpRoundFP; 561 case lir_roundfp: { 562 assert(op->as_OpRoundFP() != NULL, "must be"); 563 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op; 564 565 assert(op->_info == NULL, "info not used by this instruction"); 566 assert(opRoundFP->_tmp->is_illegal(), "not used"); 567 do_input(opRoundFP->_opr); 568 do_output(opRoundFP->_result); 569 570 break; 571 } 572 573 574 // LIR_Op2 575 case lir_cmp: 576 case lir_cmp_l2i: 577 case lir_ucmp_fd2i: 578 case lir_cmp_fd2i: 579 case lir_add: 580 case lir_sub: 581 case lir_mul: 582 case lir_div: 583 case lir_rem: 584 case lir_sqrt: 585 case lir_abs: 586 case lir_neg: 587 case lir_logic_and: 588 case lir_logic_or: 589 case lir_logic_xor: 590 case lir_shl: 591 case lir_shr: 592 case lir_ushr: 593 case lir_xadd: 594 case lir_xchg: 595 case lir_assert: 596 { 597 assert(op->as_Op2() != NULL, "must be"); 598 LIR_Op2* op2 = (LIR_Op2*)op; 599 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 600 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 601 602 if (op2->_info) do_info(op2->_info); 603 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 604 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 605 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 606 if (op2->_result->is_valid()) do_output(op2->_result); 607 if (op->code() == lir_xchg || op->code() == lir_xadd) { 608 // on ARM and PPC, return value is loaded first so could 609 // destroy inputs. On other platforms that implement those 610 // (x86, sparc), the extra constrainsts are harmless. 611 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 612 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 613 } 614 615 break; 616 } 617 618 // special handling for cmove: right input operand must not be equal 619 // to the result operand, otherwise the backend fails 620 case lir_cmove: 621 { 622 assert(op->as_Op2() != NULL, "must be"); 623 LIR_Op2* op2 = (LIR_Op2*)op; 624 625 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() && 626 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 627 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used"); 628 629 do_input(op2->_opr1); 630 do_input(op2->_opr2); 631 do_temp(op2->_opr2); 632 do_output(op2->_result); 633 634 break; 635 } 636 637 // vspecial handling for strict operations: register input operands 638 // as temp to guarantee that they do not overlap with other 639 // registers 640 case lir_mul_strictfp: 641 case lir_div_strictfp: 642 { 643 assert(op->as_Op2() != NULL, "must be"); 644 LIR_Op2* op2 = (LIR_Op2*)op; 645 646 assert(op2->_info == NULL, "not used"); 647 assert(op2->_opr1->is_valid(), "used"); 648 assert(op2->_opr2->is_valid(), "used"); 649 assert(op2->_result->is_valid(), "used"); 650 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 651 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 652 653 do_input(op2->_opr1); do_temp(op2->_opr1); 654 do_input(op2->_opr2); do_temp(op2->_opr2); 655 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 656 do_output(op2->_result); 657 658 break; 659 } 660 661 case lir_throw: { 662 assert(op->as_Op2() != NULL, "must be"); 663 LIR_Op2* op2 = (LIR_Op2*)op; 664 665 if (op2->_info) do_info(op2->_info); 666 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 667 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 668 assert(op2->_result->is_illegal(), "no result"); 669 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 670 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 671 672 break; 673 } 674 675 case lir_unwind: { 676 assert(op->as_Op1() != NULL, "must be"); 677 LIR_Op1* op1 = (LIR_Op1*)op; 678 679 assert(op1->_info == NULL, "no info"); 680 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 681 assert(op1->_result->is_illegal(), "no result"); 682 683 break; 684 } 685 686 // LIR_Op3 687 case lir_idiv: 688 case lir_irem: { 689 assert(op->as_Op3() != NULL, "must be"); 690 LIR_Op3* op3= (LIR_Op3*)op; 691 692 if (op3->_info) do_info(op3->_info); 693 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 694 695 // second operand is input and temp, so ensure that second operand 696 // and third operand get not the same register 697 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 698 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 699 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 700 701 if (op3->_result->is_valid()) do_output(op3->_result); 702 703 break; 704 } 705 706 case lir_fmad: 707 case lir_fmaf: { 708 assert(op->as_Op3() != NULL, "must be"); 709 LIR_Op3* op3= (LIR_Op3*)op; 710 assert(op3->_info == NULL, "no info"); 711 do_input(op3->_opr1); 712 do_input(op3->_opr2); 713 do_input(op3->_opr3); 714 do_output(op3->_result); 715 break; 716 } 717 718 // LIR_OpJavaCall 719 case lir_static_call: 720 case lir_optvirtual_call: 721 case lir_icvirtual_call: 722 case lir_virtual_call: 723 case lir_dynamic_call: { 724 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 725 assert(opJavaCall != NULL, "must be"); 726 727 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 728 729 // only visit register parameters 730 int n = opJavaCall->_arguments->length(); 731 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 732 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 733 do_input(*opJavaCall->_arguments->adr_at(i)); 734 } 735 } 736 737 if (opJavaCall->_info) do_info(opJavaCall->_info); 738 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 739 opJavaCall->is_method_handle_invoke()) { 740 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 741 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 742 } 743 do_call(); 744 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 745 746 break; 747 } 748 749 750 // LIR_OpRTCall 751 case lir_rtcall: { 752 assert(op->as_OpRTCall() != NULL, "must be"); 753 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 754 755 // only visit register parameters 756 int n = opRTCall->_arguments->length(); 757 for (int i = 0; i < n; i++) { 758 if (!opRTCall->_arguments->at(i)->is_pointer()) { 759 do_input(*opRTCall->_arguments->adr_at(i)); 760 } 761 } 762 if (opRTCall->_info) do_info(opRTCall->_info); 763 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 764 do_call(); 765 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 766 767 break; 768 } 769 770 771 // LIR_OpArrayCopy 772 case lir_arraycopy: { 773 assert(op->as_OpArrayCopy() != NULL, "must be"); 774 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 775 776 assert(opArrayCopy->_result->is_illegal(), "unused"); 777 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 778 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 779 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 780 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 781 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 782 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 783 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 784 785 // the implementation of arraycopy always has a call into the runtime 786 do_call(); 787 788 break; 789 } 790 791 792 // LIR_OpUpdateCRC32 793 case lir_updatecrc32: { 794 assert(op->as_OpUpdateCRC32() != NULL, "must be"); 795 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 796 797 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 798 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 799 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 800 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32"); 801 802 break; 803 } 804 805 806 // LIR_OpLock 807 case lir_lock: 808 case lir_unlock: { 809 assert(op->as_OpLock() != NULL, "must be"); 810 LIR_OpLock* opLock = (LIR_OpLock*)op; 811 812 if (opLock->_info) do_info(opLock->_info); 813 814 // TODO: check if these operands really have to be temp 815 // (or if input is sufficient). This may have influence on the oop map! 816 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 817 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 818 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 819 820 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 821 assert(opLock->_result->is_illegal(), "unused"); 822 823 do_stub(opLock->_stub); 824 do_stub(opLock->_throw_imse_stub); 825 826 break; 827 } 828 829 830 // LIR_OpDelay 831 case lir_delay_slot: { 832 assert(op->as_OpDelay() != NULL, "must be"); 833 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 834 835 visit(opDelay->delay_op()); 836 break; 837 } 838 839 // LIR_OpTypeCheck 840 case lir_instanceof: 841 case lir_checkcast: 842 case lir_store_check: { 843 assert(op->as_OpTypeCheck() != NULL, "must be"); 844 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 845 846 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 847 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 848 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 849 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 850 do_temp(opTypeCheck->_object); 851 } 852 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 853 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 854 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 855 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 856 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 857 do_stub(opTypeCheck->_stub); 858 break; 859 } 860 861 // LIR_OpCompareAndSwap 862 case lir_cas_long: 863 case lir_cas_obj: 864 case lir_cas_int: { 865 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 866 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 867 868 assert(opCompareAndSwap->_addr->is_valid(), "used"); 869 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 870 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 871 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 872 do_input(opCompareAndSwap->_addr); 873 do_temp(opCompareAndSwap->_addr); 874 do_input(opCompareAndSwap->_cmp_value); 875 do_temp(opCompareAndSwap->_cmp_value); 876 do_input(opCompareAndSwap->_new_value); 877 do_temp(opCompareAndSwap->_new_value); 878 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 879 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 880 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 881 882 break; 883 } 884 885 886 // LIR_OpAllocArray; 887 case lir_alloc_array: { 888 assert(op->as_OpAllocArray() != NULL, "must be"); 889 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 890 891 if (opAllocArray->_info) do_info(opAllocArray->_info); 892 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 893 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 894 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 895 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 896 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 897 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 898 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 899 do_stub(opAllocArray->_stub); 900 break; 901 } 902 903 // LIR_OpProfileCall: 904 case lir_profile_call: { 905 assert(op->as_OpProfileCall() != NULL, "must be"); 906 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 907 908 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 909 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 910 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 911 break; 912 } 913 914 // LIR_OpProfileType: 915 case lir_profile_type: { 916 assert(op->as_OpProfileType() != NULL, "must be"); 917 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 918 919 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 920 do_input(opProfileType->_obj); 921 do_temp(opProfileType->_tmp); 922 break; 923 } 924 default: 925 op->visit(this); 926 } 927 } 928 929 void LIR_Op::visit(LIR_OpVisitState* state) { 930 ShouldNotReachHere(); 931 } 932 933 void LIR_OpVisitState::do_stub(CodeStub* stub) { 934 if (stub != NULL) { 935 stub->visit(this); 936 } 937 } 938 939 XHandlers* LIR_OpVisitState::all_xhandler() { 940 XHandlers* result = NULL; 941 942 int i; 943 for (i = 0; i < info_count(); i++) { 944 if (info_at(i)->exception_handlers() != NULL) { 945 result = info_at(i)->exception_handlers(); 946 break; 947 } 948 } 949 950 #ifdef ASSERT 951 for (i = 0; i < info_count(); i++) { 952 assert(info_at(i)->exception_handlers() == NULL || 953 info_at(i)->exception_handlers() == result, 954 "only one xhandler list allowed per LIR-operation"); 955 } 956 #endif 957 958 if (result != NULL) { 959 return result; 960 } else { 961 return new XHandlers(); 962 } 963 964 return result; 965 } 966 967 968 #ifdef ASSERT 969 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 970 visit(op); 971 972 return opr_count(inputMode) == 0 && 973 opr_count(outputMode) == 0 && 974 opr_count(tempMode) == 0 && 975 info_count() == 0 && 976 !has_call() && 977 !has_slow_case(); 978 } 979 #endif 980 981 //--------------------------------------------------- 982 983 984 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 985 masm->emit_call(this); 986 } 987 988 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 989 masm->emit_rtcall(this); 990 } 991 992 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 993 masm->emit_opLabel(this); 994 } 995 996 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 997 masm->emit_arraycopy(this); 998 masm->append_code_stub(stub()); 999 } 1000 1001 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 1002 masm->emit_updatecrc32(this); 1003 } 1004 1005 void LIR_Op0::emit_code(LIR_Assembler* masm) { 1006 masm->emit_op0(this); 1007 } 1008 1009 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1010 masm->emit_op1(this); 1011 } 1012 1013 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1014 masm->emit_alloc_obj(this); 1015 masm->append_code_stub(stub()); 1016 } 1017 1018 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1019 masm->emit_opBranch(this); 1020 if (stub()) { 1021 masm->append_code_stub(stub()); 1022 } 1023 } 1024 1025 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1026 masm->emit_opConvert(this); 1027 if (stub() != NULL) { 1028 masm->append_code_stub(stub()); 1029 } 1030 } 1031 1032 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1033 masm->emit_op2(this); 1034 } 1035 1036 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1037 masm->emit_alloc_array(this); 1038 masm->append_code_stub(stub()); 1039 } 1040 1041 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1042 masm->emit_opTypeCheck(this); 1043 if (stub()) { 1044 masm->append_code_stub(stub()); 1045 } 1046 } 1047 1048 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1049 masm->emit_compare_and_swap(this); 1050 } 1051 1052 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1053 masm->emit_op3(this); 1054 } 1055 1056 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1057 masm->emit_lock(this); 1058 if (stub()) { 1059 masm->append_code_stub(stub()); 1060 } 1061 if (throw_imse_stub()) { 1062 masm->append_code_stub(throw_imse_stub()); 1063 } 1064 } 1065 1066 #ifdef ASSERT 1067 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1068 masm->emit_assert(this); 1069 } 1070 #endif 1071 1072 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1073 masm->emit_delay(this); 1074 } 1075 1076 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1077 masm->emit_profile_call(this); 1078 } 1079 1080 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1081 masm->emit_profile_type(this); 1082 } 1083 1084 // LIR_List 1085 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1086 : _operations(8) 1087 , _compilation(compilation) 1088 #ifndef PRODUCT 1089 , _block(block) 1090 #endif 1091 #ifdef ASSERT 1092 , _file(NULL) 1093 , _line(0) 1094 #endif 1095 { } 1096 1097 1098 #ifdef ASSERT 1099 void LIR_List::set_file_and_line(const char * file, int line) { 1100 const char * f = strrchr(file, '/'); 1101 if (f == NULL) f = strrchr(file, '\\'); 1102 if (f == NULL) { 1103 f = file; 1104 } else { 1105 f++; 1106 } 1107 _file = f; 1108 _line = line; 1109 } 1110 #endif 1111 1112 1113 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1114 assert(this == buffer->lir_list(), "wrong lir list"); 1115 const int n = _operations.length(); 1116 1117 if (buffer->number_of_ops() > 0) { 1118 // increase size of instructions list 1119 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1120 // insert ops from buffer into instructions list 1121 int op_index = buffer->number_of_ops() - 1; 1122 int ip_index = buffer->number_of_insertion_points() - 1; 1123 int from_index = n - 1; 1124 int to_index = _operations.length() - 1; 1125 for (; ip_index >= 0; ip_index --) { 1126 int index = buffer->index_at(ip_index); 1127 // make room after insertion point 1128 while (index < from_index) { 1129 _operations.at_put(to_index --, _operations.at(from_index --)); 1130 } 1131 // insert ops from buffer 1132 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1133 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1134 } 1135 } 1136 } 1137 1138 buffer->finish(); 1139 } 1140 1141 1142 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1143 assert(reg->type() == T_OBJECT, "bad reg"); 1144 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1145 } 1146 1147 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1148 assert(reg->type() == T_METADATA, "bad reg"); 1149 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1150 } 1151 1152 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1153 append(new LIR_Op1( 1154 lir_move, 1155 LIR_OprFact::address(addr), 1156 src, 1157 addr->type(), 1158 patch_code, 1159 info)); 1160 } 1161 1162 1163 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1164 append(new LIR_Op1( 1165 lir_move, 1166 LIR_OprFact::address(address), 1167 dst, 1168 address->type(), 1169 patch_code, 1170 info, lir_move_volatile)); 1171 } 1172 1173 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1174 append(new LIR_Op1( 1175 lir_move, 1176 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1177 dst, 1178 type, 1179 patch_code, 1180 info, lir_move_volatile)); 1181 } 1182 1183 1184 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1185 append(new LIR_Op1( 1186 lir_move, 1187 LIR_OprFact::intConst(v), 1188 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1189 type, 1190 patch_code, 1191 info)); 1192 } 1193 1194 1195 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1196 append(new LIR_Op1( 1197 lir_move, 1198 LIR_OprFact::oopConst(o), 1199 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1200 type, 1201 patch_code, 1202 info)); 1203 } 1204 1205 1206 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1207 append(new LIR_Op1( 1208 lir_move, 1209 src, 1210 LIR_OprFact::address(addr), 1211 addr->type(), 1212 patch_code, 1213 info)); 1214 } 1215 1216 1217 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1218 append(new LIR_Op1( 1219 lir_move, 1220 src, 1221 LIR_OprFact::address(addr), 1222 addr->type(), 1223 patch_code, 1224 info, 1225 lir_move_volatile)); 1226 } 1227 1228 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1229 append(new LIR_Op1( 1230 lir_move, 1231 src, 1232 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1233 type, 1234 patch_code, 1235 info, lir_move_volatile)); 1236 } 1237 1238 1239 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1240 append(new LIR_Op3( 1241 lir_idiv, 1242 left, 1243 right, 1244 tmp, 1245 res, 1246 info)); 1247 } 1248 1249 1250 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1251 append(new LIR_Op3( 1252 lir_idiv, 1253 left, 1254 LIR_OprFact::intConst(right), 1255 tmp, 1256 res, 1257 info)); 1258 } 1259 1260 1261 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1262 append(new LIR_Op3( 1263 lir_irem, 1264 left, 1265 right, 1266 tmp, 1267 res, 1268 info)); 1269 } 1270 1271 1272 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1273 append(new LIR_Op3( 1274 lir_irem, 1275 left, 1276 LIR_OprFact::intConst(right), 1277 tmp, 1278 res, 1279 info)); 1280 } 1281 1282 1283 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1284 append(new LIR_Op2( 1285 lir_cmp, 1286 condition, 1287 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1288 LIR_OprFact::intConst(c), 1289 info)); 1290 } 1291 1292 1293 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1294 append(new LIR_Op2( 1295 lir_cmp, 1296 condition, 1297 reg, 1298 LIR_OprFact::address(addr), 1299 info)); 1300 } 1301 1302 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1303 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1304 append(new LIR_OpAllocObj( 1305 klass, 1306 dst, 1307 t1, 1308 t2, 1309 t3, 1310 t4, 1311 header_size, 1312 object_size, 1313 init_check, 1314 stub)); 1315 } 1316 1317 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) { 1318 append(new LIR_OpAllocArray( 1319 klass, 1320 len, 1321 dst, 1322 t1, 1323 t2, 1324 t3, 1325 t4, 1326 type, 1327 stub)); 1328 } 1329 1330 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1331 append(new LIR_Op2( 1332 lir_shl, 1333 value, 1334 count, 1335 dst, 1336 tmp)); 1337 } 1338 1339 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1340 append(new LIR_Op2( 1341 lir_shr, 1342 value, 1343 count, 1344 dst, 1345 tmp)); 1346 } 1347 1348 1349 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1350 append(new LIR_Op2( 1351 lir_ushr, 1352 value, 1353 count, 1354 dst, 1355 tmp)); 1356 } 1357 1358 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1359 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1360 left, 1361 right, 1362 dst)); 1363 } 1364 1365 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info, CodeStub* throw_imse_stub) { 1366 append(new LIR_OpLock( 1367 lir_lock, 1368 hdr, 1369 obj, 1370 lock, 1371 scratch, 1372 stub, 1373 info, 1374 throw_imse_stub)); 1375 } 1376 1377 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1378 append(new LIR_OpLock( 1379 lir_unlock, 1380 hdr, 1381 obj, 1382 lock, 1383 scratch, 1384 stub, 1385 NULL)); 1386 } 1387 1388 1389 void check_LIR() { 1390 // cannot do the proper checking as PRODUCT and other modes return different results 1391 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1392 } 1393 1394 1395 1396 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1397 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1398 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1399 ciMethod* profiled_method, int profiled_bci, bool is_never_null) { 1400 // If klass is non-nullable, LIRGenerator::do_CheckCast has already performed null-check 1401 // on the object. 1402 bool need_null_check = !is_never_null; 1403 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1404 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1405 if (profiled_method != NULL) { 1406 c->set_profiled_method(profiled_method); 1407 c->set_profiled_bci(profiled_bci); 1408 c->set_should_profile(true); 1409 } 1410 append(c); 1411 } 1412 1413 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) { 1414 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1415 if (profiled_method != NULL) { 1416 c->set_profiled_method(profiled_method); 1417 c->set_profiled_bci(profiled_bci); 1418 c->set_should_profile(true); 1419 } 1420 append(c); 1421 } 1422 1423 1424 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1425 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1426 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1427 if (profiled_method != NULL) { 1428 c->set_profiled_method(profiled_method); 1429 c->set_profiled_bci(profiled_bci); 1430 c->set_should_profile(true); 1431 } 1432 append(c); 1433 } 1434 1435 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) { 1436 if (deoptimize_on_null) { 1437 // Emit an explicit null check and deoptimize if opr is null 1438 CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none); 1439 cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(NULL)); 1440 branch(lir_cond_equal, T_OBJECT, deopt); 1441 } else { 1442 // Emit an implicit null check 1443 append(new LIR_Op1(lir_null_check, opr, info)); 1444 } 1445 } 1446 1447 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1448 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1449 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1450 } 1451 1452 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1453 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1454 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1455 } 1456 1457 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1458 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1459 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1460 } 1461 1462 1463 #ifdef PRODUCT 1464 1465 void print_LIR(BlockList* blocks) { 1466 } 1467 1468 #else 1469 // LIR_OprDesc 1470 void LIR_OprDesc::print() const { 1471 print(tty); 1472 } 1473 1474 void LIR_OprDesc::print(outputStream* out) const { 1475 if (is_illegal()) { 1476 return; 1477 } 1478 1479 out->print("["); 1480 if (is_pointer()) { 1481 pointer()->print_value_on(out); 1482 } else if (is_single_stack()) { 1483 out->print("stack:%d", single_stack_ix()); 1484 } else if (is_double_stack()) { 1485 out->print("dbl_stack:%d",double_stack_ix()); 1486 } else if (is_virtual()) { 1487 out->print("R%d", vreg_number()); 1488 } else if (is_single_cpu()) { 1489 out->print("%s", as_register()->name()); 1490 } else if (is_double_cpu()) { 1491 out->print("%s", as_register_hi()->name()); 1492 out->print("%s", as_register_lo()->name()); 1493 #if defined(X86) 1494 } else if (is_single_xmm()) { 1495 out->print("%s", as_xmm_float_reg()->name()); 1496 } else if (is_double_xmm()) { 1497 out->print("%s", as_xmm_double_reg()->name()); 1498 } else if (is_single_fpu()) { 1499 out->print("fpu%d", fpu_regnr()); 1500 } else if (is_double_fpu()) { 1501 out->print("fpu%d", fpu_regnrLo()); 1502 #elif defined(AARCH64) 1503 } else if (is_single_fpu()) { 1504 out->print("fpu%d", fpu_regnr()); 1505 } else if (is_double_fpu()) { 1506 out->print("fpu%d", fpu_regnrLo()); 1507 #elif defined(ARM) 1508 } else if (is_single_fpu()) { 1509 out->print("s%d", fpu_regnr()); 1510 } else if (is_double_fpu()) { 1511 out->print("d%d", fpu_regnrLo() >> 1); 1512 #else 1513 } else if (is_single_fpu()) { 1514 out->print("%s", as_float_reg()->name()); 1515 } else if (is_double_fpu()) { 1516 out->print("%s", as_double_reg()->name()); 1517 #endif 1518 1519 } else if (is_illegal()) { 1520 out->print("-"); 1521 } else { 1522 out->print("Unknown Operand"); 1523 } 1524 if (!is_illegal()) { 1525 out->print("|%c", type_char()); 1526 } 1527 if (is_register() && is_last_use()) { 1528 out->print("(last_use)"); 1529 } 1530 out->print("]"); 1531 } 1532 1533 1534 // LIR_Address 1535 void LIR_Const::print_value_on(outputStream* out) const { 1536 switch (type()) { 1537 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1538 case T_INT: out->print("int:%d", as_jint()); break; 1539 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1540 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1541 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1542 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1543 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1544 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1545 } 1546 } 1547 1548 // LIR_Address 1549 void LIR_Address::print_value_on(outputStream* out) const { 1550 out->print("Base:"); _base->print(out); 1551 if (!_index->is_illegal()) { 1552 out->print(" Index:"); _index->print(out); 1553 switch (scale()) { 1554 case times_1: break; 1555 case times_2: out->print(" * 2"); break; 1556 case times_4: out->print(" * 4"); break; 1557 case times_8: out->print(" * 8"); break; 1558 } 1559 } 1560 out->print(" Disp: " INTX_FORMAT, _disp); 1561 } 1562 1563 // debug output of block header without InstructionPrinter 1564 // (because phi functions are not necessary for LIR) 1565 static void print_block(BlockBegin* x) { 1566 // print block id 1567 BlockEnd* end = x->end(); 1568 tty->print("B%d ", x->block_id()); 1569 1570 // print flags 1571 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1572 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1573 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1574 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1575 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1576 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1577 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1578 1579 // print block bci range 1580 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1581 1582 // print predecessors and successors 1583 if (x->number_of_preds() > 0) { 1584 tty->print("preds: "); 1585 for (int i = 0; i < x->number_of_preds(); i ++) { 1586 tty->print("B%d ", x->pred_at(i)->block_id()); 1587 } 1588 } 1589 1590 if (x->number_of_sux() > 0) { 1591 tty->print("sux: "); 1592 for (int i = 0; i < x->number_of_sux(); i ++) { 1593 tty->print("B%d ", x->sux_at(i)->block_id()); 1594 } 1595 } 1596 1597 // print exception handlers 1598 if (x->number_of_exception_handlers() > 0) { 1599 tty->print("xhandler: "); 1600 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1601 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1602 } 1603 } 1604 1605 tty->cr(); 1606 } 1607 1608 void print_LIR(BlockList* blocks) { 1609 tty->print_cr("LIR:"); 1610 int i; 1611 for (i = 0; i < blocks->length(); i++) { 1612 BlockBegin* bb = blocks->at(i); 1613 print_block(bb); 1614 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1615 bb->lir()->print_instructions(); 1616 } 1617 } 1618 1619 void LIR_List::print_instructions() { 1620 for (int i = 0; i < _operations.length(); i++) { 1621 _operations.at(i)->print(); tty->cr(); 1622 } 1623 tty->cr(); 1624 } 1625 1626 // LIR_Ops printing routines 1627 // LIR_Op 1628 void LIR_Op::print_on(outputStream* out) const { 1629 if (id() != -1 || PrintCFGToFile) { 1630 out->print("%4d ", id()); 1631 } else { 1632 out->print(" "); 1633 } 1634 out->print("%s ", name()); 1635 print_instr(out); 1636 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1637 #ifdef ASSERT 1638 if (Verbose && _file != NULL) { 1639 out->print(" (%s:%d)", _file, _line); 1640 } 1641 #endif 1642 } 1643 1644 const char * LIR_Op::name() const { 1645 const char* s = NULL; 1646 switch(code()) { 1647 // LIR_Op0 1648 case lir_membar: s = "membar"; break; 1649 case lir_membar_acquire: s = "membar_acquire"; break; 1650 case lir_membar_release: s = "membar_release"; break; 1651 case lir_membar_loadload: s = "membar_loadload"; break; 1652 case lir_membar_storestore: s = "membar_storestore"; break; 1653 case lir_membar_loadstore: s = "membar_loadstore"; break; 1654 case lir_membar_storeload: s = "membar_storeload"; break; 1655 case lir_word_align: s = "word_align"; break; 1656 case lir_label: s = "label"; break; 1657 case lir_nop: s = "nop"; break; 1658 case lir_on_spin_wait: s = "on_spin_wait"; break; 1659 case lir_backwardbranch_target: s = "backbranch"; break; 1660 case lir_std_entry: s = "std_entry"; break; 1661 case lir_osr_entry: s = "osr_entry"; break; 1662 case lir_build_frame: s = "build_frm"; break; 1663 case lir_fpop_raw: s = "fpop_raw"; break; 1664 case lir_24bit_FPU: s = "24bit_FPU"; break; 1665 case lir_reset_FPU: s = "reset_FPU"; break; 1666 case lir_breakpoint: s = "breakpoint"; break; 1667 case lir_get_thread: s = "get_thread"; break; 1668 // LIR_Op1 1669 case lir_fxch: s = "fxch"; break; 1670 case lir_fld: s = "fld"; break; 1671 case lir_ffree: s = "ffree"; break; 1672 case lir_push: s = "push"; break; 1673 case lir_pop: s = "pop"; break; 1674 case lir_null_check: s = "null_check"; break; 1675 case lir_return: s = "return"; break; 1676 case lir_safepoint: s = "safepoint"; break; 1677 case lir_leal: s = "leal"; break; 1678 case lir_branch: s = "branch"; break; 1679 case lir_cond_float_branch: s = "flt_cond_br"; break; 1680 case lir_move: s = "move"; break; 1681 case lir_roundfp: s = "roundfp"; break; 1682 case lir_rtcall: s = "rtcall"; break; 1683 case lir_throw: s = "throw"; break; 1684 case lir_unwind: s = "unwind"; break; 1685 case lir_convert: s = "convert"; break; 1686 case lir_alloc_object: s = "alloc_obj"; break; 1687 case lir_monaddr: s = "mon_addr"; break; 1688 case lir_pack64: s = "pack64"; break; 1689 case lir_unpack64: s = "unpack64"; break; 1690 // LIR_Op2 1691 case lir_cmp: s = "cmp"; break; 1692 case lir_cmp_l2i: s = "cmp_l2i"; break; 1693 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1694 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1695 case lir_cmove: s = "cmove"; break; 1696 case lir_add: s = "add"; break; 1697 case lir_sub: s = "sub"; break; 1698 case lir_mul: s = "mul"; break; 1699 case lir_mul_strictfp: s = "mul_strictfp"; break; 1700 case lir_div: s = "div"; break; 1701 case lir_div_strictfp: s = "div_strictfp"; break; 1702 case lir_rem: s = "rem"; break; 1703 case lir_abs: s = "abs"; break; 1704 case lir_neg: s = "neg"; 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