1 /* 2 * Copyright (c) 2000, 2015, 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 #if defined(X86) 46 47 XMMRegister LIR_OprDesc::as_xmm_float_reg() const { 48 return FrameMap::nr2xmmreg(xmm_regnr()); 49 } 50 51 XMMRegister LIR_OprDesc::as_xmm_double_reg() const { 52 assert(xmm_regnrLo() == xmm_regnrHi(), "assumed in calculation"); 53 return FrameMap::nr2xmmreg(xmm_regnrLo()); 54 } 55 56 #endif // X86 57 58 #if defined(SPARC) || defined(PPC) 59 60 FloatRegister LIR_OprDesc::as_float_reg() const { 61 return FrameMap::nr2floatreg(fpu_regnr()); 62 } 63 64 FloatRegister LIR_OprDesc::as_double_reg() const { 65 return FrameMap::nr2floatreg(fpu_regnrHi()); 66 } 67 68 #endif 69 70 #if defined(ARM) || defined (AARCH64) 71 72 FloatRegister LIR_OprDesc::as_float_reg() const { 73 return as_FloatRegister(fpu_regnr()); 74 } 75 76 FloatRegister LIR_OprDesc::as_double_reg() const { 77 return as_FloatRegister(fpu_regnrLo()); 78 } 79 80 #endif 81 82 83 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal(); 84 85 LIR_Opr LIR_OprFact::value_type(ValueType* type) { 86 ValueTag tag = type->tag(); 87 switch (tag) { 88 case metaDataTag : { 89 ClassConstant* c = type->as_ClassConstant(); 90 if (c != NULL && !c->value()->is_loaded()) { 91 return LIR_OprFact::metadataConst(NULL); 92 } else if (c != NULL) { 93 return LIR_OprFact::metadataConst(c->value()->constant_encoding()); 94 } else { 95 MethodConstant* m = type->as_MethodConstant(); 96 assert (m != NULL, "not a class or a method?"); 97 return LIR_OprFact::metadataConst(m->value()->constant_encoding()); 98 } 99 } 100 case objectTag : { 101 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding()); 102 } 103 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value()); 104 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value()); 105 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value()); 106 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value()); 107 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value()); 108 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 109 } 110 } 111 112 113 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) { 114 switch (type->tag()) { 115 case objectTag: return LIR_OprFact::oopConst(NULL); 116 case addressTag:return LIR_OprFact::addressConst(0); 117 case intTag: return LIR_OprFact::intConst(0); 118 case floatTag: return LIR_OprFact::floatConst(0.0); 119 case longTag: return LIR_OprFact::longConst(0); 120 case doubleTag: return LIR_OprFact::doubleConst(0.0); 121 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 122 } 123 return illegalOpr; 124 } 125 126 127 128 //--------------------------------------------------- 129 130 131 LIR_Address::Scale LIR_Address::scale(BasicType type) { 132 int elem_size = type2aelembytes(type); 133 switch (elem_size) { 134 case 1: return LIR_Address::times_1; 135 case 2: return LIR_Address::times_2; 136 case 4: return LIR_Address::times_4; 137 case 8: return LIR_Address::times_8; 138 } 139 ShouldNotReachHere(); 140 return LIR_Address::times_1; 141 } 142 143 144 #ifndef PRODUCT 145 void LIR_Address::verify0() const { 146 #if defined(SPARC) || defined(PPC) 147 assert(scale() == times_1, "Scaled addressing mode not available on SPARC/PPC and should not be used"); 148 assert(disp() == 0 || index()->is_illegal(), "can't have both"); 149 #endif 150 #ifdef _LP64 151 assert(base()->is_cpu_register(), "wrong base operand"); 152 #ifndef AARCH64 153 assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand"); 154 #else 155 assert(index()->is_illegal() || index()->is_double_cpu() || index()->is_single_cpu(), "wrong index operand"); 156 #endif 157 assert(base()->type() == T_OBJECT || base()->type() == T_LONG || base()->type() == T_METADATA, 158 "wrong type for addresses"); 159 #else 160 assert(base()->is_single_cpu(), "wrong base operand"); 161 assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand"); 162 assert(base()->type() == T_OBJECT || base()->type() == T_INT || base()->type() == T_METADATA, 163 "wrong type for addresses"); 164 #endif 165 } 166 #endif 167 168 169 //--------------------------------------------------- 170 171 char LIR_OprDesc::type_char(BasicType t) { 172 switch (t) { 173 case T_ARRAY: 174 t = T_OBJECT; 175 case T_BOOLEAN: 176 case T_CHAR: 177 case T_FLOAT: 178 case T_DOUBLE: 179 case T_BYTE: 180 case T_SHORT: 181 case T_INT: 182 case T_LONG: 183 case T_OBJECT: 184 case T_ADDRESS: 185 case T_VOID: 186 return ::type2char(t); 187 case T_METADATA: 188 return 'M'; 189 case T_ILLEGAL: 190 return '?'; 191 192 default: 193 ShouldNotReachHere(); 194 return '?'; 195 } 196 } 197 198 #ifndef PRODUCT 199 void LIR_OprDesc::validate_type() const { 200 201 #ifdef ASSERT 202 if (!is_pointer() && !is_illegal()) { 203 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160 204 switch (as_BasicType(type_field())) { 205 case T_LONG: 206 assert((kindfield == cpu_register || kindfield == stack_value) && 207 size_field() == double_size, "must match"); 208 break; 209 case T_FLOAT: 210 // FP return values can be also in CPU registers on ARM and PPC (softfp ABI) 211 assert((kindfield == fpu_register || kindfield == stack_value 212 ARM_ONLY(|| kindfield == cpu_register) 213 PPC_ONLY(|| kindfield == cpu_register) ) && 214 size_field() == single_size, "must match"); 215 break; 216 case T_DOUBLE: 217 // FP return values can be also in CPU registers on ARM and PPC (softfp ABI) 218 assert((kindfield == fpu_register || kindfield == stack_value 219 ARM_ONLY(|| kindfield == cpu_register) 220 PPC_ONLY(|| kindfield == cpu_register) ) && 221 size_field() == double_size, "must match"); 222 break; 223 case T_BOOLEAN: 224 case T_CHAR: 225 case T_BYTE: 226 case T_SHORT: 227 case T_INT: 228 case T_ADDRESS: 229 case T_OBJECT: 230 case T_METADATA: 231 case T_ARRAY: 232 assert((kindfield == cpu_register || kindfield == stack_value) && 233 size_field() == single_size, "must match"); 234 break; 235 236 case T_ILLEGAL: 237 // XXX TKR also means unknown right now 238 // assert(is_illegal(), "must match"); 239 break; 240 241 default: 242 ShouldNotReachHere(); 243 } 244 } 245 #endif 246 247 } 248 #endif // PRODUCT 249 250 251 bool LIR_OprDesc::is_oop() const { 252 if (is_pointer()) { 253 return pointer()->is_oop_pointer(); 254 } else { 255 OprType t= type_field(); 256 assert(t != unknown_type, "not set"); 257 return t == object_type; 258 } 259 } 260 261 262 263 void LIR_Op2::verify() const { 264 #ifdef ASSERT 265 switch (code()) { 266 case lir_cmove: 267 case lir_xchg: 268 break; 269 270 default: 271 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(), 272 "can't produce oops from arith"); 273 } 274 275 if (TwoOperandLIRForm) { 276 switch (code()) { 277 case lir_add: 278 case lir_sub: 279 case lir_mul: 280 case lir_mul_strictfp: 281 case lir_div: 282 case lir_div_strictfp: 283 case lir_rem: 284 case lir_logic_and: 285 case lir_logic_or: 286 case lir_logic_xor: 287 case lir_shl: 288 case lir_shr: 289 assert(in_opr1() == result_opr(), "opr1 and result must match"); 290 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 291 break; 292 293 // special handling for lir_ushr because of write barriers 294 case lir_ushr: 295 assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant"); 296 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 297 break; 298 299 } 300 } 301 #endif 302 } 303 304 305 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block) 306 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 307 , _cond(cond) 308 , _type(type) 309 , _label(block->label()) 310 , _block(block) 311 , _ublock(NULL) 312 , _stub(NULL) { 313 } 314 315 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) : 316 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 317 , _cond(cond) 318 , _type(type) 319 , _label(stub->entry()) 320 , _block(NULL) 321 , _ublock(NULL) 322 , _stub(stub) { 323 } 324 325 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock) 326 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 327 , _cond(cond) 328 , _type(type) 329 , _label(block->label()) 330 , _block(block) 331 , _ublock(ublock) 332 , _stub(NULL) 333 { 334 } 335 336 void LIR_OpBranch::change_block(BlockBegin* b) { 337 assert(_block != NULL, "must have old block"); 338 assert(_block->label() == label(), "must be equal"); 339 340 _block = b; 341 _label = b->label(); 342 } 343 344 void LIR_OpBranch::change_ublock(BlockBegin* b) { 345 assert(_ublock != NULL, "must have old block"); 346 _ublock = b; 347 } 348 349 void LIR_OpBranch::negate_cond() { 350 switch (_cond) { 351 case lir_cond_equal: _cond = lir_cond_notEqual; break; 352 case lir_cond_notEqual: _cond = lir_cond_equal; break; 353 case lir_cond_less: _cond = lir_cond_greaterEqual; break; 354 case lir_cond_lessEqual: _cond = lir_cond_greater; break; 355 case lir_cond_greaterEqual: _cond = lir_cond_less; break; 356 case lir_cond_greater: _cond = lir_cond_lessEqual; break; 357 default: ShouldNotReachHere(); 358 } 359 } 360 361 362 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, 363 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 364 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, 365 CodeStub* stub) 366 367 : LIR_Op(code, result, NULL) 368 , _object(object) 369 , _array(LIR_OprFact::illegalOpr) 370 , _klass(klass) 371 , _tmp1(tmp1) 372 , _tmp2(tmp2) 373 , _tmp3(tmp3) 374 , _fast_check(fast_check) 375 , _stub(stub) 376 , _info_for_patch(info_for_patch) 377 , _info_for_exception(info_for_exception) 378 , _profiled_method(NULL) 379 , _profiled_bci(-1) 380 , _should_profile(false) 381 { 382 if (code == lir_checkcast) { 383 assert(info_for_exception != NULL, "checkcast throws exceptions"); 384 } else if (code == lir_instanceof) { 385 assert(info_for_exception == NULL, "instanceof throws no exceptions"); 386 } else { 387 ShouldNotReachHere(); 388 } 389 } 390 391 392 393 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) 394 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) 395 , _object(object) 396 , _array(array) 397 , _klass(NULL) 398 , _tmp1(tmp1) 399 , _tmp2(tmp2) 400 , _tmp3(tmp3) 401 , _fast_check(false) 402 , _stub(NULL) 403 , _info_for_patch(NULL) 404 , _info_for_exception(info_for_exception) 405 , _profiled_method(NULL) 406 , _profiled_bci(-1) 407 , _should_profile(false) 408 { 409 if (code == lir_store_check) { 410 _stub = new ArrayStoreExceptionStub(object, info_for_exception); 411 assert(info_for_exception != NULL, "store_check throws exceptions"); 412 } else { 413 ShouldNotReachHere(); 414 } 415 } 416 417 418 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, 419 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) 420 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info) 421 , _tmp(tmp) 422 , _src(src) 423 , _src_pos(src_pos) 424 , _dst(dst) 425 , _dst_pos(dst_pos) 426 , _flags(flags) 427 , _expected_type(expected_type) 428 , _length(length) { 429 _stub = new ArrayCopyStub(this); 430 } 431 432 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res) 433 : LIR_Op(lir_updatecrc32, res, NULL) 434 , _crc(crc) 435 , _val(val) { 436 } 437 438 //-------------------verify-------------------------- 439 440 void LIR_Op1::verify() const { 441 switch(code()) { 442 case lir_move: 443 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be"); 444 break; 445 case lir_null_check: 446 assert(in_opr()->is_register(), "must be"); 447 break; 448 case lir_return: 449 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be"); 450 break; 451 } 452 } 453 454 void LIR_OpRTCall::verify() const { 455 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function"); 456 } 457 458 //-------------------visits-------------------------- 459 460 // complete rework of LIR instruction visitor. 461 // The virtual call for each instruction type is replaced by a big 462 // switch that adds the operands for each instruction 463 464 void LIR_OpVisitState::visit(LIR_Op* op) { 465 // copy information from the LIR_Op 466 reset(); 467 set_op(op); 468 469 switch (op->code()) { 470 471 // LIR_Op0 472 case lir_word_align: // result and info always invalid 473 case lir_backwardbranch_target: // result and info always invalid 474 case lir_build_frame: // result and info always invalid 475 case lir_fpop_raw: // result and info always invalid 476 case lir_24bit_FPU: // result and info always invalid 477 case lir_reset_FPU: // result and info always invalid 478 case lir_breakpoint: // result and info always invalid 479 case lir_membar: // result and info always invalid 480 case lir_membar_acquire: // result and info always invalid 481 case lir_membar_release: // result and info always invalid 482 case lir_membar_loadload: // result and info always invalid 483 case lir_membar_storestore: // result and info always invalid 484 case lir_membar_loadstore: // result and info always invalid 485 case lir_membar_storeload: // result and info always invalid 486 { 487 assert(op->as_Op0() != NULL, "must be"); 488 assert(op->_info == NULL, "info not used by this instruction"); 489 assert(op->_result->is_illegal(), "not used"); 490 break; 491 } 492 493 case lir_nop: // may have info, result always invalid 494 case lir_std_entry: // may have result, info always invalid 495 case lir_osr_entry: // may have result, info always invalid 496 case lir_get_thread: // may have result, info always invalid 497 { 498 assert(op->as_Op0() != NULL, "must be"); 499 if (op->_info != NULL) do_info(op->_info); 500 if (op->_result->is_valid()) do_output(op->_result); 501 break; 502 } 503 504 505 // LIR_OpLabel 506 case lir_label: // result and info always invalid 507 { 508 assert(op->as_OpLabel() != NULL, "must be"); 509 assert(op->_info == NULL, "info not used by this instruction"); 510 assert(op->_result->is_illegal(), "not used"); 511 break; 512 } 513 514 515 // LIR_Op1 516 case lir_fxch: // input always valid, result and info always invalid 517 case lir_fld: // input always valid, result and info always invalid 518 case lir_ffree: // input always valid, result and info always invalid 519 case lir_push: // input always valid, result and info always invalid 520 case lir_pop: // input always valid, result and info always invalid 521 case lir_return: // input always valid, result and info always invalid 522 case lir_leal: // input and result always valid, info always invalid 523 case lir_neg: // input and result always valid, info always invalid 524 case lir_monaddr: // input and result always valid, info always invalid 525 case lir_null_check: // input and info always valid, result always invalid 526 case lir_move: // input and result always valid, may have info 527 case lir_pack64: // input and result always valid 528 case lir_unpack64: // input and result always valid 529 { 530 assert(op->as_Op1() != NULL, "must be"); 531 LIR_Op1* op1 = (LIR_Op1*)op; 532 533 if (op1->_info) do_info(op1->_info); 534 if (op1->_opr->is_valid()) do_input(op1->_opr); 535 if (op1->_result->is_valid()) do_output(op1->_result); 536 537 break; 538 } 539 540 case lir_safepoint: 541 { 542 assert(op->as_Op1() != NULL, "must be"); 543 LIR_Op1* op1 = (LIR_Op1*)op; 544 545 assert(op1->_info != NULL, ""); do_info(op1->_info); 546 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register 547 assert(op1->_result->is_illegal(), "safepoint does not produce value"); 548 549 break; 550 } 551 552 // LIR_OpConvert; 553 case lir_convert: // input and result always valid, info always invalid 554 { 555 assert(op->as_OpConvert() != NULL, "must be"); 556 LIR_OpConvert* opConvert = (LIR_OpConvert*)op; 557 558 assert(opConvert->_info == NULL, "must be"); 559 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr); 560 if (opConvert->_result->is_valid()) do_output(opConvert->_result); 561 #ifdef PPC 562 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1); 563 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2); 564 #endif 565 do_stub(opConvert->_stub); 566 567 break; 568 } 569 570 // LIR_OpBranch; 571 case lir_branch: // may have info, input and result register always invalid 572 case lir_cond_float_branch: // may have info, input and result register always invalid 573 { 574 assert(op->as_OpBranch() != NULL, "must be"); 575 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 576 577 if (opBranch->_info != NULL) do_info(opBranch->_info); 578 assert(opBranch->_result->is_illegal(), "not used"); 579 if (opBranch->_stub != NULL) opBranch->stub()->visit(this); 580 581 break; 582 } 583 584 585 // LIR_OpAllocObj 586 case lir_alloc_object: 587 { 588 assert(op->as_OpAllocObj() != NULL, "must be"); 589 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 590 591 if (opAllocObj->_info) do_info(opAllocObj->_info); 592 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 593 do_temp(opAllocObj->_opr); 594 } 595 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 596 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 597 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 598 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 599 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 600 do_stub(opAllocObj->_stub); 601 break; 602 } 603 604 605 // LIR_OpRoundFP; 606 case lir_roundfp: { 607 assert(op->as_OpRoundFP() != NULL, "must be"); 608 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op; 609 610 assert(op->_info == NULL, "info not used by this instruction"); 611 assert(opRoundFP->_tmp->is_illegal(), "not used"); 612 do_input(opRoundFP->_opr); 613 do_output(opRoundFP->_result); 614 615 break; 616 } 617 618 619 // LIR_Op2 620 case lir_cmp: 621 case lir_cmp_l2i: 622 case lir_ucmp_fd2i: 623 case lir_cmp_fd2i: 624 case lir_add: 625 case lir_sub: 626 case lir_mul: 627 case lir_div: 628 case lir_rem: 629 case lir_sqrt: 630 case lir_abs: 631 case lir_logic_and: 632 case lir_logic_or: 633 case lir_logic_xor: 634 case lir_shl: 635 case lir_shr: 636 case lir_ushr: 637 case lir_xadd: 638 case lir_xchg: 639 case lir_assert: 640 { 641 assert(op->as_Op2() != NULL, "must be"); 642 LIR_Op2* op2 = (LIR_Op2*)op; 643 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 644 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 645 646 if (op2->_info) do_info(op2->_info); 647 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 648 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 649 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 650 if (op2->_result->is_valid()) do_output(op2->_result); 651 if (op->code() == lir_xchg || op->code() == lir_xadd) { 652 // on ARM and PPC, return value is loaded first so could 653 // destroy inputs. On other platforms that implement those 654 // (x86, sparc), the extra constrainsts are harmless. 655 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 656 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 657 } 658 659 break; 660 } 661 662 // special handling for cmove: right input operand must not be equal 663 // to the result operand, otherwise the backend fails 664 case lir_cmove: 665 { 666 assert(op->as_Op2() != NULL, "must be"); 667 LIR_Op2* op2 = (LIR_Op2*)op; 668 669 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() && 670 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 671 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used"); 672 673 do_input(op2->_opr1); 674 do_input(op2->_opr2); 675 do_temp(op2->_opr2); 676 do_output(op2->_result); 677 678 break; 679 } 680 681 // vspecial handling for strict operations: register input operands 682 // as temp to guarantee that they do not overlap with other 683 // registers 684 case lir_mul_strictfp: 685 case lir_div_strictfp: 686 { 687 assert(op->as_Op2() != NULL, "must be"); 688 LIR_Op2* op2 = (LIR_Op2*)op; 689 690 assert(op2->_info == NULL, "not used"); 691 assert(op2->_opr1->is_valid(), "used"); 692 assert(op2->_opr2->is_valid(), "used"); 693 assert(op2->_result->is_valid(), "used"); 694 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 695 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 696 697 do_input(op2->_opr1); do_temp(op2->_opr1); 698 do_input(op2->_opr2); do_temp(op2->_opr2); 699 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 700 do_output(op2->_result); 701 702 break; 703 } 704 705 case lir_throw: { 706 assert(op->as_Op2() != NULL, "must be"); 707 LIR_Op2* op2 = (LIR_Op2*)op; 708 709 if (op2->_info) do_info(op2->_info); 710 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 711 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 712 assert(op2->_result->is_illegal(), "no result"); 713 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 714 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 715 716 break; 717 } 718 719 case lir_unwind: { 720 assert(op->as_Op1() != NULL, "must be"); 721 LIR_Op1* op1 = (LIR_Op1*)op; 722 723 assert(op1->_info == NULL, "no info"); 724 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 725 assert(op1->_result->is_illegal(), "no result"); 726 727 break; 728 } 729 730 731 case lir_tan: 732 case lir_sin: 733 case lir_cos: 734 case lir_log10: { 735 assert(op->as_Op2() != NULL, "must be"); 736 LIR_Op2* op2 = (LIR_Op2*)op; 737 738 // On x86 tan/sin/cos need two temporary fpu stack slots and 739 // log/log10 need one so handle opr2 and tmp as temp inputs. 740 // Register input operand as temp to guarantee that it doesn't 741 // overlap with the input. 742 assert(op2->_info == NULL, "not used"); 743 assert(op2->_tmp5->is_illegal(), "not used"); 744 assert(op2->_opr1->is_valid(), "used"); 745 do_input(op2->_opr1); do_temp(op2->_opr1); 746 747 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 748 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 749 if (op2->_tmp2->is_valid()) do_temp(op2->_tmp2); 750 if (op2->_tmp3->is_valid()) do_temp(op2->_tmp3); 751 if (op2->_tmp4->is_valid()) do_temp(op2->_tmp4); 752 if (op2->_result->is_valid()) do_output(op2->_result); 753 754 break; 755 } 756 757 case lir_pow: { 758 assert(op->as_Op2() != NULL, "must be"); 759 LIR_Op2* op2 = (LIR_Op2*)op; 760 761 // On x86 pow needs two temporary fpu stack slots: tmp1 and 762 // tmp2. Register input operands as temps to guarantee that it 763 // doesn't overlap with the temporary slots. 764 assert(op2->_info == NULL, "not used"); 765 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid(), "used"); 766 assert(op2->_tmp1->is_valid() && op2->_tmp2->is_valid() && op2->_tmp3->is_valid() 767 && op2->_tmp4->is_valid() && op2->_tmp5->is_valid(), "used"); 768 assert(op2->_result->is_valid(), "used"); 769 770 do_input(op2->_opr1); do_temp(op2->_opr1); 771 do_input(op2->_opr2); do_temp(op2->_opr2); 772 do_temp(op2->_tmp1); 773 do_temp(op2->_tmp2); 774 do_temp(op2->_tmp3); 775 do_temp(op2->_tmp4); 776 do_temp(op2->_tmp5); 777 do_output(op2->_result); 778 779 break; 780 } 781 782 // LIR_Op3 783 case lir_idiv: 784 case lir_irem: { 785 assert(op->as_Op3() != NULL, "must be"); 786 LIR_Op3* op3= (LIR_Op3*)op; 787 788 if (op3->_info) do_info(op3->_info); 789 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 790 791 // second operand is input and temp, so ensure that second operand 792 // and third operand get not the same register 793 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 794 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 795 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 796 797 if (op3->_result->is_valid()) do_output(op3->_result); 798 799 break; 800 } 801 802 803 // LIR_OpJavaCall 804 case lir_static_call: 805 case lir_optvirtual_call: 806 case lir_icvirtual_call: 807 case lir_virtual_call: 808 case lir_dynamic_call: { 809 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 810 assert(opJavaCall != NULL, "must be"); 811 812 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 813 814 // only visit register parameters 815 int n = opJavaCall->_arguments->length(); 816 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 817 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 818 do_input(*opJavaCall->_arguments->adr_at(i)); 819 } 820 } 821 822 if (opJavaCall->_info) do_info(opJavaCall->_info); 823 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 824 opJavaCall->is_method_handle_invoke()) { 825 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 826 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 827 } 828 do_call(); 829 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 830 831 break; 832 } 833 834 835 // LIR_OpRTCall 836 case lir_rtcall: { 837 assert(op->as_OpRTCall() != NULL, "must be"); 838 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 839 840 // only visit register parameters 841 int n = opRTCall->_arguments->length(); 842 for (int i = 0; i < n; i++) { 843 if (!opRTCall->_arguments->at(i)->is_pointer()) { 844 do_input(*opRTCall->_arguments->adr_at(i)); 845 } 846 } 847 if (opRTCall->_info) do_info(opRTCall->_info); 848 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 849 do_call(); 850 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 851 852 break; 853 } 854 855 856 // LIR_OpArrayCopy 857 case lir_arraycopy: { 858 assert(op->as_OpArrayCopy() != NULL, "must be"); 859 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 860 861 assert(opArrayCopy->_result->is_illegal(), "unused"); 862 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 863 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 864 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 865 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 866 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 867 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 868 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 869 870 // the implementation of arraycopy always has a call into the runtime 871 do_call(); 872 873 break; 874 } 875 876 877 // LIR_OpUpdateCRC32 878 case lir_updatecrc32: { 879 assert(op->as_OpUpdateCRC32() != NULL, "must be"); 880 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 881 882 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 883 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 884 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 885 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32"); 886 887 break; 888 } 889 890 891 // LIR_OpLock 892 case lir_lock: 893 case lir_unlock: { 894 assert(op->as_OpLock() != NULL, "must be"); 895 LIR_OpLock* opLock = (LIR_OpLock*)op; 896 897 if (opLock->_info) do_info(opLock->_info); 898 899 // TODO: check if these operands really have to be temp 900 // (or if input is sufficient). This may have influence on the oop map! 901 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 902 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 903 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 904 905 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 906 assert(opLock->_result->is_illegal(), "unused"); 907 908 do_stub(opLock->_stub); 909 910 break; 911 } 912 913 914 // LIR_OpDelay 915 case lir_delay_slot: { 916 assert(op->as_OpDelay() != NULL, "must be"); 917 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 918 919 visit(opDelay->delay_op()); 920 break; 921 } 922 923 // LIR_OpTypeCheck 924 case lir_instanceof: 925 case lir_checkcast: 926 case lir_store_check: { 927 assert(op->as_OpTypeCheck() != NULL, "must be"); 928 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 929 930 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 931 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 932 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 933 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 934 do_temp(opTypeCheck->_object); 935 } 936 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 937 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 938 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 939 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 940 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 941 do_stub(opTypeCheck->_stub); 942 break; 943 } 944 945 // LIR_OpCompareAndSwap 946 case lir_cas_long: 947 case lir_cas_obj: 948 case lir_cas_int: { 949 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 950 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 951 952 assert(opCompareAndSwap->_addr->is_valid(), "used"); 953 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 954 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 955 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 956 do_input(opCompareAndSwap->_addr); 957 do_temp(opCompareAndSwap->_addr); 958 do_input(opCompareAndSwap->_cmp_value); 959 do_temp(opCompareAndSwap->_cmp_value); 960 do_input(opCompareAndSwap->_new_value); 961 do_temp(opCompareAndSwap->_new_value); 962 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 963 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 964 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 965 966 break; 967 } 968 969 970 // LIR_OpAllocArray; 971 case lir_alloc_array: { 972 assert(op->as_OpAllocArray() != NULL, "must be"); 973 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 974 975 if (opAllocArray->_info) do_info(opAllocArray->_info); 976 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 977 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 978 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 979 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 980 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 981 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 982 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 983 do_stub(opAllocArray->_stub); 984 break; 985 } 986 987 // LIR_OpProfileCall: 988 case lir_profile_call: { 989 assert(op->as_OpProfileCall() != NULL, "must be"); 990 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 991 992 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 993 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 994 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 995 break; 996 } 997 998 // LIR_OpProfileType: 999 case lir_profile_type: { 1000 assert(op->as_OpProfileType() != NULL, "must be"); 1001 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 1002 1003 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 1004 do_input(opProfileType->_obj); 1005 do_temp(opProfileType->_tmp); 1006 break; 1007 } 1008 default: 1009 ShouldNotReachHere(); 1010 } 1011 } 1012 1013 1014 void LIR_OpVisitState::do_stub(CodeStub* stub) { 1015 if (stub != NULL) { 1016 stub->visit(this); 1017 } 1018 } 1019 1020 XHandlers* LIR_OpVisitState::all_xhandler() { 1021 XHandlers* result = NULL; 1022 1023 int i; 1024 for (i = 0; i < info_count(); i++) { 1025 if (info_at(i)->exception_handlers() != NULL) { 1026 result = info_at(i)->exception_handlers(); 1027 break; 1028 } 1029 } 1030 1031 #ifdef ASSERT 1032 for (i = 0; i < info_count(); i++) { 1033 assert(info_at(i)->exception_handlers() == NULL || 1034 info_at(i)->exception_handlers() == result, 1035 "only one xhandler list allowed per LIR-operation"); 1036 } 1037 #endif 1038 1039 if (result != NULL) { 1040 return result; 1041 } else { 1042 return new XHandlers(); 1043 } 1044 1045 return result; 1046 } 1047 1048 1049 #ifdef ASSERT 1050 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 1051 visit(op); 1052 1053 return opr_count(inputMode) == 0 && 1054 opr_count(outputMode) == 0 && 1055 opr_count(tempMode) == 0 && 1056 info_count() == 0 && 1057 !has_call() && 1058 !has_slow_case(); 1059 } 1060 #endif 1061 1062 //--------------------------------------------------- 1063 1064 1065 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 1066 masm->emit_call(this); 1067 } 1068 1069 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 1070 masm->emit_rtcall(this); 1071 } 1072 1073 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 1074 masm->emit_opLabel(this); 1075 } 1076 1077 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 1078 masm->emit_arraycopy(this); 1079 masm->append_code_stub(stub()); 1080 } 1081 1082 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 1083 masm->emit_updatecrc32(this); 1084 } 1085 1086 void LIR_Op0::emit_code(LIR_Assembler* masm) { 1087 masm->emit_op0(this); 1088 } 1089 1090 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1091 masm->emit_op1(this); 1092 } 1093 1094 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1095 masm->emit_alloc_obj(this); 1096 masm->append_code_stub(stub()); 1097 } 1098 1099 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1100 masm->emit_opBranch(this); 1101 if (stub()) { 1102 masm->append_code_stub(stub()); 1103 } 1104 } 1105 1106 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1107 masm->emit_opConvert(this); 1108 if (stub() != NULL) { 1109 masm->append_code_stub(stub()); 1110 } 1111 } 1112 1113 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1114 masm->emit_op2(this); 1115 } 1116 1117 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1118 masm->emit_alloc_array(this); 1119 masm->append_code_stub(stub()); 1120 } 1121 1122 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1123 masm->emit_opTypeCheck(this); 1124 if (stub()) { 1125 masm->append_code_stub(stub()); 1126 } 1127 } 1128 1129 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1130 masm->emit_compare_and_swap(this); 1131 } 1132 1133 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1134 masm->emit_op3(this); 1135 } 1136 1137 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1138 masm->emit_lock(this); 1139 if (stub()) { 1140 masm->append_code_stub(stub()); 1141 } 1142 } 1143 1144 #ifdef ASSERT 1145 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1146 masm->emit_assert(this); 1147 } 1148 #endif 1149 1150 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1151 masm->emit_delay(this); 1152 } 1153 1154 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1155 masm->emit_profile_call(this); 1156 } 1157 1158 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1159 masm->emit_profile_type(this); 1160 } 1161 1162 // LIR_List 1163 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1164 : _operations(8) 1165 , _compilation(compilation) 1166 #ifndef PRODUCT 1167 , _block(block) 1168 #endif 1169 #ifdef ASSERT 1170 , _file(NULL) 1171 , _line(0) 1172 #endif 1173 { } 1174 1175 1176 #ifdef ASSERT 1177 void LIR_List::set_file_and_line(const char * file, int line) { 1178 const char * f = strrchr(file, '/'); 1179 if (f == NULL) f = strrchr(file, '\\'); 1180 if (f == NULL) { 1181 f = file; 1182 } else { 1183 f++; 1184 } 1185 _file = f; 1186 _line = line; 1187 } 1188 #endif 1189 1190 1191 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1192 assert(this == buffer->lir_list(), "wrong lir list"); 1193 const int n = _operations.length(); 1194 1195 if (buffer->number_of_ops() > 0) { 1196 // increase size of instructions list 1197 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1198 // insert ops from buffer into instructions list 1199 int op_index = buffer->number_of_ops() - 1; 1200 int ip_index = buffer->number_of_insertion_points() - 1; 1201 int from_index = n - 1; 1202 int to_index = _operations.length() - 1; 1203 for (; ip_index >= 0; ip_index --) { 1204 int index = buffer->index_at(ip_index); 1205 // make room after insertion point 1206 while (index < from_index) { 1207 _operations.at_put(to_index --, _operations.at(from_index --)); 1208 } 1209 // insert ops from buffer 1210 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1211 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1212 } 1213 } 1214 } 1215 1216 buffer->finish(); 1217 } 1218 1219 1220 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1221 assert(reg->type() == T_OBJECT, "bad reg"); 1222 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1223 } 1224 1225 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1226 assert(reg->type() == T_METADATA, "bad reg"); 1227 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1228 } 1229 1230 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1231 append(new LIR_Op1( 1232 lir_move, 1233 LIR_OprFact::address(addr), 1234 src, 1235 addr->type(), 1236 patch_code, 1237 info)); 1238 } 1239 1240 1241 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1242 append(new LIR_Op1( 1243 lir_move, 1244 LIR_OprFact::address(address), 1245 dst, 1246 address->type(), 1247 patch_code, 1248 info, lir_move_volatile)); 1249 } 1250 1251 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1252 append(new LIR_Op1( 1253 lir_move, 1254 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1255 dst, 1256 type, 1257 patch_code, 1258 info, lir_move_volatile)); 1259 } 1260 1261 1262 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1263 append(new LIR_Op1( 1264 lir_move, 1265 LIR_OprFact::intConst(v), 1266 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1267 type, 1268 patch_code, 1269 info)); 1270 } 1271 1272 1273 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1274 append(new LIR_Op1( 1275 lir_move, 1276 LIR_OprFact::oopConst(o), 1277 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1278 type, 1279 patch_code, 1280 info)); 1281 } 1282 1283 1284 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1285 append(new LIR_Op1( 1286 lir_move, 1287 src, 1288 LIR_OprFact::address(addr), 1289 addr->type(), 1290 patch_code, 1291 info)); 1292 } 1293 1294 1295 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1296 append(new LIR_Op1( 1297 lir_move, 1298 src, 1299 LIR_OprFact::address(addr), 1300 addr->type(), 1301 patch_code, 1302 info, 1303 lir_move_volatile)); 1304 } 1305 1306 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1307 append(new LIR_Op1( 1308 lir_move, 1309 src, 1310 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1311 type, 1312 patch_code, 1313 info, lir_move_volatile)); 1314 } 1315 1316 1317 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1318 append(new LIR_Op3( 1319 lir_idiv, 1320 left, 1321 right, 1322 tmp, 1323 res, 1324 info)); 1325 } 1326 1327 1328 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1329 append(new LIR_Op3( 1330 lir_idiv, 1331 left, 1332 LIR_OprFact::intConst(right), 1333 tmp, 1334 res, 1335 info)); 1336 } 1337 1338 1339 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1340 append(new LIR_Op3( 1341 lir_irem, 1342 left, 1343 right, 1344 tmp, 1345 res, 1346 info)); 1347 } 1348 1349 1350 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1351 append(new LIR_Op3( 1352 lir_irem, 1353 left, 1354 LIR_OprFact::intConst(right), 1355 tmp, 1356 res, 1357 info)); 1358 } 1359 1360 1361 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1362 append(new LIR_Op2( 1363 lir_cmp, 1364 condition, 1365 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1366 LIR_OprFact::intConst(c), 1367 info)); 1368 } 1369 1370 1371 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1372 append(new LIR_Op2( 1373 lir_cmp, 1374 condition, 1375 reg, 1376 LIR_OprFact::address(addr), 1377 info)); 1378 } 1379 1380 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1381 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1382 append(new LIR_OpAllocObj( 1383 klass, 1384 dst, 1385 t1, 1386 t2, 1387 t3, 1388 t4, 1389 header_size, 1390 object_size, 1391 init_check, 1392 stub)); 1393 } 1394 1395 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) { 1396 append(new LIR_OpAllocArray( 1397 klass, 1398 len, 1399 dst, 1400 t1, 1401 t2, 1402 t3, 1403 t4, 1404 type, 1405 stub)); 1406 } 1407 1408 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1409 append(new LIR_Op2( 1410 lir_shl, 1411 value, 1412 count, 1413 dst, 1414 tmp)); 1415 } 1416 1417 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1418 append(new LIR_Op2( 1419 lir_shr, 1420 value, 1421 count, 1422 dst, 1423 tmp)); 1424 } 1425 1426 1427 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1428 append(new LIR_Op2( 1429 lir_ushr, 1430 value, 1431 count, 1432 dst, 1433 tmp)); 1434 } 1435 1436 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1437 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1438 left, 1439 right, 1440 dst)); 1441 } 1442 1443 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1444 append(new LIR_OpLock( 1445 lir_lock, 1446 hdr, 1447 obj, 1448 lock, 1449 scratch, 1450 stub, 1451 info)); 1452 } 1453 1454 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1455 append(new LIR_OpLock( 1456 lir_unlock, 1457 hdr, 1458 obj, 1459 lock, 1460 scratch, 1461 stub, 1462 NULL)); 1463 } 1464 1465 1466 void check_LIR() { 1467 // cannot do the proper checking as PRODUCT and other modes return different results 1468 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1469 } 1470 1471 1472 1473 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1474 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1475 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1476 ciMethod* profiled_method, int profiled_bci) { 1477 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1478 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1479 if (profiled_method != NULL) { 1480 c->set_profiled_method(profiled_method); 1481 c->set_profiled_bci(profiled_bci); 1482 c->set_should_profile(true); 1483 } 1484 append(c); 1485 } 1486 1487 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) { 1488 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1489 if (profiled_method != NULL) { 1490 c->set_profiled_method(profiled_method); 1491 c->set_profiled_bci(profiled_bci); 1492 c->set_should_profile(true); 1493 } 1494 append(c); 1495 } 1496 1497 1498 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1499 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1500 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1501 if (profiled_method != NULL) { 1502 c->set_profiled_method(profiled_method); 1503 c->set_profiled_bci(profiled_bci); 1504 c->set_should_profile(true); 1505 } 1506 append(c); 1507 } 1508 1509 1510 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1511 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1512 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1513 } 1514 1515 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1516 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1517 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1518 } 1519 1520 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1521 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1522 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1523 } 1524 1525 1526 #ifdef PRODUCT 1527 1528 void print_LIR(BlockList* blocks) { 1529 } 1530 1531 #else 1532 // LIR_OprDesc 1533 void LIR_OprDesc::print() const { 1534 print(tty); 1535 } 1536 1537 void LIR_OprDesc::print(outputStream* out) const { 1538 if (is_illegal()) { 1539 return; 1540 } 1541 1542 out->print("["); 1543 if (is_pointer()) { 1544 pointer()->print_value_on(out); 1545 } else if (is_single_stack()) { 1546 out->print("stack:%d", single_stack_ix()); 1547 } else if (is_double_stack()) { 1548 out->print("dbl_stack:%d",double_stack_ix()); 1549 } else if (is_virtual()) { 1550 out->print("R%d", vreg_number()); 1551 } else if (is_single_cpu()) { 1552 out->print("%s", as_register()->name()); 1553 } else if (is_double_cpu()) { 1554 out->print("%s", as_register_hi()->name()); 1555 out->print("%s", as_register_lo()->name()); 1556 #if defined(X86) 1557 } else if (is_single_xmm()) { 1558 out->print("%s", as_xmm_float_reg()->name()); 1559 } else if (is_double_xmm()) { 1560 out->print("%s", as_xmm_double_reg()->name()); 1561 } else if (is_single_fpu()) { 1562 out->print("fpu%d", fpu_regnr()); 1563 } else if (is_double_fpu()) { 1564 out->print("fpu%d", fpu_regnrLo()); 1565 #elif defined(AARCH64) 1566 } else if (is_single_fpu()) { 1567 out->print("fpu%d", fpu_regnr()); 1568 } else if (is_double_fpu()) { 1569 out->print("fpu%d", fpu_regnrLo()); 1570 #elif defined(ARM) 1571 } else if (is_single_fpu()) { 1572 out->print("s%d", fpu_regnr()); 1573 } else if (is_double_fpu()) { 1574 out->print("d%d", fpu_regnrLo() >> 1); 1575 #else 1576 } else if (is_single_fpu()) { 1577 out->print("%s", as_float_reg()->name()); 1578 } else if (is_double_fpu()) { 1579 out->print("%s", as_double_reg()->name()); 1580 #endif 1581 1582 } else if (is_illegal()) { 1583 out->print("-"); 1584 } else { 1585 out->print("Unknown Operand"); 1586 } 1587 if (!is_illegal()) { 1588 out->print("|%c", type_char()); 1589 } 1590 if (is_register() && is_last_use()) { 1591 out->print("(last_use)"); 1592 } 1593 out->print("]"); 1594 } 1595 1596 1597 // LIR_Address 1598 void LIR_Const::print_value_on(outputStream* out) const { 1599 switch (type()) { 1600 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1601 case T_INT: out->print("int:%d", as_jint()); break; 1602 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1603 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1604 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1605 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1606 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1607 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1608 } 1609 } 1610 1611 // LIR_Address 1612 void LIR_Address::print_value_on(outputStream* out) const { 1613 out->print("Base:"); _base->print(out); 1614 if (!_index->is_illegal()) { 1615 out->print(" Index:"); _index->print(out); 1616 switch (scale()) { 1617 case times_1: break; 1618 case times_2: out->print(" * 2"); break; 1619 case times_4: out->print(" * 4"); break; 1620 case times_8: out->print(" * 8"); break; 1621 } 1622 } 1623 out->print(" Disp: " INTX_FORMAT, _disp); 1624 } 1625 1626 // debug output of block header without InstructionPrinter 1627 // (because phi functions are not necessary for LIR) 1628 static void print_block(BlockBegin* x) { 1629 // print block id 1630 BlockEnd* end = x->end(); 1631 tty->print("B%d ", x->block_id()); 1632 1633 // print flags 1634 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1635 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1636 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1637 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1638 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1639 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1640 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1641 1642 // print block bci range 1643 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1644 1645 // print predecessors and successors 1646 if (x->number_of_preds() > 0) { 1647 tty->print("preds: "); 1648 for (int i = 0; i < x->number_of_preds(); i ++) { 1649 tty->print("B%d ", x->pred_at(i)->block_id()); 1650 } 1651 } 1652 1653 if (x->number_of_sux() > 0) { 1654 tty->print("sux: "); 1655 for (int i = 0; i < x->number_of_sux(); i ++) { 1656 tty->print("B%d ", x->sux_at(i)->block_id()); 1657 } 1658 } 1659 1660 // print exception handlers 1661 if (x->number_of_exception_handlers() > 0) { 1662 tty->print("xhandler: "); 1663 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1664 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1665 } 1666 } 1667 1668 tty->cr(); 1669 } 1670 1671 void print_LIR(BlockList* blocks) { 1672 tty->print_cr("LIR:"); 1673 int i; 1674 for (i = 0; i < blocks->length(); i++) { 1675 BlockBegin* bb = blocks->at(i); 1676 print_block(bb); 1677 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1678 bb->lir()->print_instructions(); 1679 } 1680 } 1681 1682 void LIR_List::print_instructions() { 1683 for (int i = 0; i < _operations.length(); i++) { 1684 _operations.at(i)->print(); tty->cr(); 1685 } 1686 tty->cr(); 1687 } 1688 1689 // LIR_Ops printing routines 1690 // LIR_Op 1691 void LIR_Op::print_on(outputStream* out) const { 1692 if (id() != -1 || PrintCFGToFile) { 1693 out->print("%4d ", id()); 1694 } else { 1695 out->print(" "); 1696 } 1697 out->print("%s ", name()); 1698 print_instr(out); 1699 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1700 #ifdef ASSERT 1701 if (Verbose && _file != NULL) { 1702 out->print(" (%s:%d)", _file, _line); 1703 } 1704 #endif 1705 } 1706 1707 const char * LIR_Op::name() const { 1708 const char* s = NULL; 1709 switch(code()) { 1710 // LIR_Op0 1711 case lir_membar: s = "membar"; break; 1712 case lir_membar_acquire: s = "membar_acquire"; break; 1713 case lir_membar_release: s = "membar_release"; break; 1714 case lir_membar_loadload: s = "membar_loadload"; break; 1715 case lir_membar_storestore: s = "membar_storestore"; break; 1716 case lir_membar_loadstore: s = "membar_loadstore"; break; 1717 case lir_membar_storeload: s = "membar_storeload"; break; 1718 case lir_word_align: s = "word_align"; break; 1719 case lir_label: s = "label"; break; 1720 case lir_nop: s = "nop"; break; 1721 case lir_backwardbranch_target: s = "backbranch"; break; 1722 case lir_std_entry: s = "std_entry"; break; 1723 case lir_osr_entry: s = "osr_entry"; break; 1724 case lir_build_frame: s = "build_frm"; break; 1725 case lir_fpop_raw: s = "fpop_raw"; break; 1726 case lir_24bit_FPU: s = "24bit_FPU"; break; 1727 case lir_reset_FPU: s = "reset_FPU"; break; 1728 case lir_breakpoint: s = "breakpoint"; break; 1729 case lir_get_thread: s = "get_thread"; break; 1730 // LIR_Op1 1731 case lir_fxch: s = "fxch"; break; 1732 case lir_fld: s = "fld"; break; 1733 case lir_ffree: s = "ffree"; break; 1734 case lir_push: s = "push"; break; 1735 case lir_pop: s = "pop"; break; 1736 case lir_null_check: s = "null_check"; break; 1737 case lir_return: s = "return"; break; 1738 case lir_safepoint: s = "safepoint"; break; 1739 case lir_neg: s = "neg"; break; 1740 case lir_leal: s = "leal"; break; 1741 case lir_branch: s = "branch"; break; 1742 case lir_cond_float_branch: s = "flt_cond_br"; break; 1743 case lir_move: s = "move"; break; 1744 case lir_roundfp: s = "roundfp"; break; 1745 case lir_rtcall: s = "rtcall"; break; 1746 case lir_throw: s = "throw"; break; 1747 case lir_unwind: s = "unwind"; break; 1748 case lir_convert: s = "convert"; break; 1749 case lir_alloc_object: s = "alloc_obj"; break; 1750 case lir_monaddr: s = "mon_addr"; break; 1751 case lir_pack64: s = "pack64"; break; 1752 case lir_unpack64: s = "unpack64"; break; 1753 // LIR_Op2 1754 case lir_cmp: s = "cmp"; break; 1755 case lir_cmp_l2i: s = "cmp_l2i"; break; 1756 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1757 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1758 case lir_cmove: s = "cmove"; break; 1759 case lir_add: s = "add"; break; 1760 case lir_sub: s = "sub"; break; 1761 case lir_mul: s = "mul"; break; 1762 case lir_mul_strictfp: s = "mul_strictfp"; break; 1763 case lir_div: s = "div"; break; 1764 case lir_div_strictfp: s = "div_strictfp"; break; 1765 case lir_rem: s = "rem"; break; 1766 case lir_abs: s = "abs"; break; 1767 case lir_sqrt: s = "sqrt"; break; 1768 case lir_sin: s = "sin"; break; 1769 case lir_cos: s = "cos"; break; 1770 case lir_tan: s = "tan"; break; 1771 case lir_log10: s = "log10"; break; 1772 case lir_pow: s = "pow"; break; 1773 case lir_logic_and: s = "logic_and"; break; 1774 case lir_logic_or: s = "logic_or"; break; 1775 case lir_logic_xor: s = "logic_xor"; break; 1776 case lir_shl: s = "shift_left"; break; 1777 case lir_shr: s = "shift_right"; break; 1778 case lir_ushr: s = "ushift_right"; break; 1779 case lir_alloc_array: s = "alloc_array"; break; 1780 case lir_xadd: s = "xadd"; break; 1781 case lir_xchg: s = "xchg"; break; 1782 // LIR_Op3 1783 case lir_idiv: s = "idiv"; break; 1784 case lir_irem: s = "irem"; break; 1785 // LIR_OpJavaCall 1786 case lir_static_call: s = "static"; break; 1787 case lir_optvirtual_call: s = "optvirtual"; break; 1788 case lir_icvirtual_call: s = "icvirtual"; break; 1789 case lir_virtual_call: s = "virtual"; break; 1790 case lir_dynamic_call: s = "dynamic"; break; 1791 // LIR_OpArrayCopy 1792 case lir_arraycopy: s = "arraycopy"; break; 1793 // LIR_OpUpdateCRC32 1794 case lir_updatecrc32: s = "updatecrc32"; break; 1795 // LIR_OpLock 1796 case lir_lock: s = "lock"; break; 1797 case lir_unlock: s = "unlock"; break; 1798 // LIR_OpDelay 1799 case lir_delay_slot: s = "delay"; break; 1800 // LIR_OpTypeCheck 1801 case lir_instanceof: s = "instanceof"; break; 1802 case lir_checkcast: s = "checkcast"; break; 1803 case lir_store_check: s = "store_check"; break; 1804 // LIR_OpCompareAndSwap 1805 case lir_cas_long: s = "cas_long"; break; 1806 case lir_cas_obj: s = "cas_obj"; break; 1807 case lir_cas_int: s = "cas_int"; break; 1808 // LIR_OpProfileCall 1809 case lir_profile_call: s = "profile_call"; break; 1810 // LIR_OpProfileType 1811 case lir_profile_type: s = "profile_type"; break; 1812 // LIR_OpAssert 1813 #ifdef ASSERT 1814 case lir_assert: s = "assert"; break; 1815 #endif 1816 case lir_none: ShouldNotReachHere();break; 1817 default: s = "illegal_op"; break; 1818 } 1819 return s; 1820 } 1821 1822 // LIR_OpJavaCall 1823 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1824 out->print("call: "); 1825 out->print("[addr: " INTPTR_FORMAT "]", p2i(address())); 1826 if (receiver()->is_valid()) { 1827 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1828 } 1829 if (result_opr()->is_valid()) { 1830 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1831 } 1832 } 1833 1834 // LIR_OpLabel 1835 void LIR_OpLabel::print_instr(outputStream* out) const { 1836 out->print("[label:" INTPTR_FORMAT "]", p2i(_label)); 1837 } 1838 1839 // LIR_OpArrayCopy 1840 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1841 src()->print(out); out->print(" "); 1842 src_pos()->print(out); out->print(" "); 1843 dst()->print(out); out->print(" "); 1844 dst_pos()->print(out); out->print(" "); 1845 length()->print(out); out->print(" "); 1846 tmp()->print(out); out->print(" "); 1847 } 1848 1849 // LIR_OpUpdateCRC32 1850 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const { 1851 crc()->print(out); out->print(" "); 1852 val()->print(out); out->print(" "); 1853 result_opr()->print(out); out->print(" "); 1854 } 1855 1856 // LIR_OpCompareAndSwap 1857 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1858 addr()->print(out); out->print(" "); 1859 cmp_value()->print(out); out->print(" "); 1860 new_value()->print(out); out->print(" "); 1861 tmp1()->print(out); out->print(" "); 1862 tmp2()->print(out); out->print(" "); 1863 1864 } 1865 1866 // LIR_Op0 1867 void LIR_Op0::print_instr(outputStream* out) const { 1868 result_opr()->print(out); 1869 } 1870 1871 // LIR_Op1 1872 const char * LIR_Op1::name() const { 1873 if (code() == lir_move) { 1874 switch (move_kind()) { 1875 case lir_move_normal: 1876 return "move"; 1877 case lir_move_unaligned: 1878 return "unaligned move"; 1879 case lir_move_volatile: 1880 return "volatile_move"; 1881 case lir_move_wide: 1882 return "wide_move"; 1883 default: 1884 ShouldNotReachHere(); 1885 return "illegal_op"; 1886 } 1887 } else { 1888 return LIR_Op::name(); 1889 } 1890 } 1891 1892 1893 void LIR_Op1::print_instr(outputStream* out) const { 1894 _opr->print(out); out->print(" "); 1895 result_opr()->print(out); out->print(" "); 1896 print_patch_code(out, patch_code()); 1897 } 1898 1899 1900 // LIR_Op1 1901 void LIR_OpRTCall::print_instr(outputStream* out) const { 1902 intx a = (intx)addr(); 1903 out->print("%s", Runtime1::name_for_address(addr())); 1904 out->print(" "); 1905 tmp()->print(out); 1906 } 1907 1908 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1909 switch(code) { 1910 case lir_patch_none: break; 1911 case lir_patch_low: out->print("[patch_low]"); break; 1912 case lir_patch_high: out->print("[patch_high]"); break; 1913 case lir_patch_normal: out->print("[patch_normal]"); break; 1914 default: ShouldNotReachHere(); 1915 } 1916 } 1917 1918 // LIR_OpBranch 1919 void LIR_OpBranch::print_instr(outputStream* out) const { 1920 print_condition(out, cond()); out->print(" "); 1921 if (block() != NULL) { 1922 out->print("[B%d] ", block()->block_id()); 1923 } else if (stub() != NULL) { 1924 out->print("["); 1925 stub()->print_name(out); 1926 out->print(": " INTPTR_FORMAT "]", p2i(stub())); 1927 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1928 } else { 1929 out->print("[label:" INTPTR_FORMAT "] ", p2i(label())); 1930 } 1931 if (ublock() != NULL) { 1932 out->print("unordered: [B%d] ", ublock()->block_id()); 1933 } 1934 } 1935 1936 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1937 switch(cond) { 1938 case lir_cond_equal: out->print("[EQ]"); break; 1939 case lir_cond_notEqual: out->print("[NE]"); break; 1940 case lir_cond_less: out->print("[LT]"); break; 1941 case lir_cond_lessEqual: out->print("[LE]"); break; 1942 case lir_cond_greaterEqual: out->print("[GE]"); break; 1943 case lir_cond_greater: out->print("[GT]"); break; 1944 case lir_cond_belowEqual: out->print("[BE]"); break; 1945 case lir_cond_aboveEqual: out->print("[AE]"); break; 1946 case lir_cond_always: out->print("[AL]"); break; 1947 default: out->print("[%d]",cond); break; 1948 } 1949 } 1950 1951 // LIR_OpConvert 1952 void LIR_OpConvert::print_instr(outputStream* out) const { 1953 print_bytecode(out, bytecode()); 1954 in_opr()->print(out); out->print(" "); 1955 result_opr()->print(out); out->print(" "); 1956 #ifdef PPC 1957 if(tmp1()->is_valid()) { 1958 tmp1()->print(out); out->print(" "); 1959 tmp2()->print(out); out->print(" "); 1960 } 1961 #endif 1962 } 1963 1964 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1965 switch(code) { 1966 case Bytecodes::_d2f: out->print("[d2f] "); break; 1967 case Bytecodes::_d2i: out->print("[d2i] "); break; 1968 case Bytecodes::_d2l: out->print("[d2l] "); break; 1969 case Bytecodes::_f2d: out->print("[f2d] "); break; 1970 case Bytecodes::_f2i: out->print("[f2i] "); break; 1971 case Bytecodes::_f2l: out->print("[f2l] "); break; 1972 case Bytecodes::_i2b: out->print("[i2b] "); break; 1973 case Bytecodes::_i2c: out->print("[i2c] "); break; 1974 case Bytecodes::_i2d: out->print("[i2d] "); break; 1975 case Bytecodes::_i2f: out->print("[i2f] "); break; 1976 case Bytecodes::_i2l: out->print("[i2l] "); break; 1977 case Bytecodes::_i2s: out->print("[i2s] "); break; 1978 case Bytecodes::_l2i: out->print("[l2i] "); break; 1979 case Bytecodes::_l2f: out->print("[l2f] "); break; 1980 case Bytecodes::_l2d: out->print("[l2d] "); break; 1981 default: 1982 out->print("[?%d]",code); 1983 break; 1984 } 1985 } 1986 1987 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1988 klass()->print(out); out->print(" "); 1989 obj()->print(out); out->print(" "); 1990 tmp1()->print(out); out->print(" "); 1991 tmp2()->print(out); out->print(" "); 1992 tmp3()->print(out); out->print(" "); 1993 tmp4()->print(out); out->print(" "); 1994 out->print("[hdr:%d]", header_size()); out->print(" "); 1995 out->print("[obj:%d]", object_size()); out->print(" "); 1996 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1997 } 1998 1999 void LIR_OpRoundFP::print_instr(outputStream* out) const { 2000 _opr->print(out); out->print(" "); 2001 tmp()->print(out); out->print(" "); 2002 result_opr()->print(out); out->print(" "); 2003 } 2004 2005 // LIR_Op2 2006 void LIR_Op2::print_instr(outputStream* out) const { 2007 if (code() == lir_cmove || code() == lir_cmp) { 2008 print_condition(out, condition()); out->print(" "); 2009 } 2010 in_opr1()->print(out); out->print(" "); 2011 in_opr2()->print(out); out->print(" "); 2012 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 2013 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 2014 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 2015 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 2016 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 2017 result_opr()->print(out); 2018 } 2019 2020 void LIR_OpAllocArray::print_instr(outputStream* out) const { 2021 klass()->print(out); out->print(" "); 2022 len()->print(out); out->print(" "); 2023 obj()->print(out); out->print(" "); 2024 tmp1()->print(out); out->print(" "); 2025 tmp2()->print(out); out->print(" "); 2026 tmp3()->print(out); out->print(" "); 2027 tmp4()->print(out); out->print(" "); 2028 out->print("[type:0x%x]", type()); out->print(" "); 2029 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2030 } 2031 2032 2033 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 2034 object()->print(out); out->print(" "); 2035 if (code() == lir_store_check) { 2036 array()->print(out); out->print(" "); 2037 } 2038 if (code() != lir_store_check) { 2039 klass()->print_name_on(out); out->print(" "); 2040 if (fast_check()) out->print("fast_check "); 2041 } 2042 tmp1()->print(out); out->print(" "); 2043 tmp2()->print(out); out->print(" "); 2044 tmp3()->print(out); out->print(" "); 2045 result_opr()->print(out); out->print(" "); 2046 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 2047 } 2048 2049 2050 // LIR_Op3 2051 void LIR_Op3::print_instr(outputStream* out) const { 2052 in_opr1()->print(out); out->print(" "); 2053 in_opr2()->print(out); out->print(" "); 2054 in_opr3()->print(out); out->print(" "); 2055 result_opr()->print(out); 2056 } 2057 2058 2059 void LIR_OpLock::print_instr(outputStream* out) const { 2060 hdr_opr()->print(out); out->print(" "); 2061 obj_opr()->print(out); out->print(" "); 2062 lock_opr()->print(out); out->print(" "); 2063 if (_scratch->is_valid()) { 2064 _scratch->print(out); out->print(" "); 2065 } 2066 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2067 } 2068 2069 #ifdef ASSERT 2070 void LIR_OpAssert::print_instr(outputStream* out) const { 2071 print_condition(out, condition()); out->print(" "); 2072 in_opr1()->print(out); out->print(" "); 2073 in_opr2()->print(out); out->print(", \""); 2074 out->print("%s", msg()); out->print("\""); 2075 } 2076 #endif 2077 2078 2079 void LIR_OpDelay::print_instr(outputStream* out) const { 2080 _op->print_on(out); 2081 } 2082 2083 2084 // LIR_OpProfileCall 2085 void LIR_OpProfileCall::print_instr(outputStream* out) const { 2086 profiled_method()->name()->print_symbol_on(out); 2087 out->print("."); 2088 profiled_method()->holder()->name()->print_symbol_on(out); 2089 out->print(" @ %d ", profiled_bci()); 2090 mdo()->print(out); out->print(" "); 2091 recv()->print(out); out->print(" "); 2092 tmp1()->print(out); out->print(" "); 2093 } 2094 2095 // LIR_OpProfileType 2096 void LIR_OpProfileType::print_instr(outputStream* out) const { 2097 out->print("exact = "); 2098 if (exact_klass() == NULL) { 2099 out->print("unknown"); 2100 } else { 2101 exact_klass()->print_name_on(out); 2102 } 2103 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass()); 2104 out->print(" "); 2105 mdp()->print(out); out->print(" "); 2106 obj()->print(out); out->print(" "); 2107 tmp()->print(out); out->print(" "); 2108 } 2109 2110 #endif // PRODUCT 2111 2112 // Implementation of LIR_InsertionBuffer 2113 2114 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 2115 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 2116 2117 int i = number_of_insertion_points() - 1; 2118 if (i < 0 || index_at(i) < index) { 2119 append_new(index, 1); 2120 } else { 2121 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2122 assert(count_at(i) > 0, "check"); 2123 set_count_at(i, count_at(i) + 1); 2124 } 2125 _ops.push(op); 2126 2127 DEBUG_ONLY(verify()); 2128 } 2129 2130 #ifdef ASSERT 2131 void LIR_InsertionBuffer::verify() { 2132 int sum = 0; 2133 int prev_idx = -1; 2134 2135 for (int i = 0; i < number_of_insertion_points(); i++) { 2136 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2137 sum += count_at(i); 2138 } 2139 assert(sum == number_of_ops(), "wrong total sum"); 2140 } 2141 #endif