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_log10: { 733 assert(op->as_Op2() != NULL, "must be"); 734 LIR_Op2* op2 = (LIR_Op2*)op; 735 736 // On x86 tan/sin/cos need two temporary fpu stack slots and 737 // log/log10 need one so handle opr2 and tmp as temp inputs. 738 // Register input operand as temp to guarantee that it doesn't 739 // overlap with the input. 740 assert(op2->_info == NULL, "not used"); 741 assert(op2->_tmp5->is_illegal(), "not used"); 742 assert(op2->_opr1->is_valid(), "used"); 743 do_input(op2->_opr1); do_temp(op2->_opr1); 744 745 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 746 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 747 if (op2->_tmp2->is_valid()) do_temp(op2->_tmp2); 748 if (op2->_tmp3->is_valid()) do_temp(op2->_tmp3); 749 if (op2->_tmp4->is_valid()) do_temp(op2->_tmp4); 750 if (op2->_result->is_valid()) do_output(op2->_result); 751 752 break; 753 } 754 755 case lir_pow: { 756 assert(op->as_Op2() != NULL, "must be"); 757 LIR_Op2* op2 = (LIR_Op2*)op; 758 759 // On x86 pow needs two temporary fpu stack slots: tmp1 and 760 // tmp2. Register input operands as temps to guarantee that it 761 // doesn't overlap with the temporary slots. 762 assert(op2->_info == NULL, "not used"); 763 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid(), "used"); 764 assert(op2->_tmp1->is_valid() && op2->_tmp2->is_valid() && op2->_tmp3->is_valid() 765 && op2->_tmp4->is_valid() && op2->_tmp5->is_valid(), "used"); 766 assert(op2->_result->is_valid(), "used"); 767 768 do_input(op2->_opr1); do_temp(op2->_opr1); 769 do_input(op2->_opr2); do_temp(op2->_opr2); 770 do_temp(op2->_tmp1); 771 do_temp(op2->_tmp2); 772 do_temp(op2->_tmp3); 773 do_temp(op2->_tmp4); 774 do_temp(op2->_tmp5); 775 do_output(op2->_result); 776 777 break; 778 } 779 780 // LIR_Op3 781 case lir_idiv: 782 case lir_irem: { 783 assert(op->as_Op3() != NULL, "must be"); 784 LIR_Op3* op3= (LIR_Op3*)op; 785 786 if (op3->_info) do_info(op3->_info); 787 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 788 789 // second operand is input and temp, so ensure that second operand 790 // and third operand get not the same register 791 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 792 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 793 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 794 795 if (op3->_result->is_valid()) do_output(op3->_result); 796 797 break; 798 } 799 800 801 // LIR_OpJavaCall 802 case lir_static_call: 803 case lir_optvirtual_call: 804 case lir_icvirtual_call: 805 case lir_virtual_call: 806 case lir_dynamic_call: { 807 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 808 assert(opJavaCall != NULL, "must be"); 809 810 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 811 812 // only visit register parameters 813 int n = opJavaCall->_arguments->length(); 814 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 815 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 816 do_input(*opJavaCall->_arguments->adr_at(i)); 817 } 818 } 819 820 if (opJavaCall->_info) do_info(opJavaCall->_info); 821 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 822 opJavaCall->is_method_handle_invoke()) { 823 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 824 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 825 } 826 do_call(); 827 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 828 829 break; 830 } 831 832 833 // LIR_OpRTCall 834 case lir_rtcall: { 835 assert(op->as_OpRTCall() != NULL, "must be"); 836 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 837 838 // only visit register parameters 839 int n = opRTCall->_arguments->length(); 840 for (int i = 0; i < n; i++) { 841 if (!opRTCall->_arguments->at(i)->is_pointer()) { 842 do_input(*opRTCall->_arguments->adr_at(i)); 843 } 844 } 845 if (opRTCall->_info) do_info(opRTCall->_info); 846 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 847 do_call(); 848 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 849 850 break; 851 } 852 853 854 // LIR_OpArrayCopy 855 case lir_arraycopy: { 856 assert(op->as_OpArrayCopy() != NULL, "must be"); 857 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 858 859 assert(opArrayCopy->_result->is_illegal(), "unused"); 860 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 861 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 862 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 863 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 864 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 865 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 866 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 867 868 // the implementation of arraycopy always has a call into the runtime 869 do_call(); 870 871 break; 872 } 873 874 875 // LIR_OpUpdateCRC32 876 case lir_updatecrc32: { 877 assert(op->as_OpUpdateCRC32() != NULL, "must be"); 878 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 879 880 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 881 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 882 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 883 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32"); 884 885 break; 886 } 887 888 889 // LIR_OpLock 890 case lir_lock: 891 case lir_unlock: { 892 assert(op->as_OpLock() != NULL, "must be"); 893 LIR_OpLock* opLock = (LIR_OpLock*)op; 894 895 if (opLock->_info) do_info(opLock->_info); 896 897 // TODO: check if these operands really have to be temp 898 // (or if input is sufficient). This may have influence on the oop map! 899 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 900 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 901 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 902 903 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 904 assert(opLock->_result->is_illegal(), "unused"); 905 906 do_stub(opLock->_stub); 907 908 break; 909 } 910 911 912 // LIR_OpDelay 913 case lir_delay_slot: { 914 assert(op->as_OpDelay() != NULL, "must be"); 915 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 916 917 visit(opDelay->delay_op()); 918 break; 919 } 920 921 // LIR_OpTypeCheck 922 case lir_instanceof: 923 case lir_checkcast: 924 case lir_store_check: { 925 assert(op->as_OpTypeCheck() != NULL, "must be"); 926 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 927 928 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 929 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 930 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 931 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 932 do_temp(opTypeCheck->_object); 933 } 934 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 935 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 936 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 937 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 938 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 939 do_stub(opTypeCheck->_stub); 940 break; 941 } 942 943 // LIR_OpCompareAndSwap 944 case lir_cas_long: 945 case lir_cas_obj: 946 case lir_cas_int: { 947 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 948 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 949 950 assert(opCompareAndSwap->_addr->is_valid(), "used"); 951 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 952 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 953 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 954 do_input(opCompareAndSwap->_addr); 955 do_temp(opCompareAndSwap->_addr); 956 do_input(opCompareAndSwap->_cmp_value); 957 do_temp(opCompareAndSwap->_cmp_value); 958 do_input(opCompareAndSwap->_new_value); 959 do_temp(opCompareAndSwap->_new_value); 960 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 961 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 962 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 963 964 break; 965 } 966 967 968 // LIR_OpAllocArray; 969 case lir_alloc_array: { 970 assert(op->as_OpAllocArray() != NULL, "must be"); 971 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 972 973 if (opAllocArray->_info) do_info(opAllocArray->_info); 974 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 975 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 976 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 977 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 978 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 979 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 980 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 981 do_stub(opAllocArray->_stub); 982 break; 983 } 984 985 // LIR_OpProfileCall: 986 case lir_profile_call: { 987 assert(op->as_OpProfileCall() != NULL, "must be"); 988 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 989 990 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 991 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 992 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 993 break; 994 } 995 996 // LIR_OpProfileType: 997 case lir_profile_type: { 998 assert(op->as_OpProfileType() != NULL, "must be"); 999 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 1000 1001 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 1002 do_input(opProfileType->_obj); 1003 do_temp(opProfileType->_tmp); 1004 break; 1005 } 1006 default: 1007 ShouldNotReachHere(); 1008 } 1009 } 1010 1011 1012 void LIR_OpVisitState::do_stub(CodeStub* stub) { 1013 if (stub != NULL) { 1014 stub->visit(this); 1015 } 1016 } 1017 1018 XHandlers* LIR_OpVisitState::all_xhandler() { 1019 XHandlers* result = NULL; 1020 1021 int i; 1022 for (i = 0; i < info_count(); i++) { 1023 if (info_at(i)->exception_handlers() != NULL) { 1024 result = info_at(i)->exception_handlers(); 1025 break; 1026 } 1027 } 1028 1029 #ifdef ASSERT 1030 for (i = 0; i < info_count(); i++) { 1031 assert(info_at(i)->exception_handlers() == NULL || 1032 info_at(i)->exception_handlers() == result, 1033 "only one xhandler list allowed per LIR-operation"); 1034 } 1035 #endif 1036 1037 if (result != NULL) { 1038 return result; 1039 } else { 1040 return new XHandlers(); 1041 } 1042 1043 return result; 1044 } 1045 1046 1047 #ifdef ASSERT 1048 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 1049 visit(op); 1050 1051 return opr_count(inputMode) == 0 && 1052 opr_count(outputMode) == 0 && 1053 opr_count(tempMode) == 0 && 1054 info_count() == 0 && 1055 !has_call() && 1056 !has_slow_case(); 1057 } 1058 #endif 1059 1060 //--------------------------------------------------- 1061 1062 1063 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 1064 masm->emit_call(this); 1065 } 1066 1067 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 1068 masm->emit_rtcall(this); 1069 } 1070 1071 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 1072 masm->emit_opLabel(this); 1073 } 1074 1075 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 1076 masm->emit_arraycopy(this); 1077 masm->append_code_stub(stub()); 1078 } 1079 1080 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 1081 masm->emit_updatecrc32(this); 1082 } 1083 1084 void LIR_Op0::emit_code(LIR_Assembler* masm) { 1085 masm->emit_op0(this); 1086 } 1087 1088 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1089 masm->emit_op1(this); 1090 } 1091 1092 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1093 masm->emit_alloc_obj(this); 1094 masm->append_code_stub(stub()); 1095 } 1096 1097 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1098 masm->emit_opBranch(this); 1099 if (stub()) { 1100 masm->append_code_stub(stub()); 1101 } 1102 } 1103 1104 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1105 masm->emit_opConvert(this); 1106 if (stub() != NULL) { 1107 masm->append_code_stub(stub()); 1108 } 1109 } 1110 1111 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1112 masm->emit_op2(this); 1113 } 1114 1115 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1116 masm->emit_alloc_array(this); 1117 masm->append_code_stub(stub()); 1118 } 1119 1120 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1121 masm->emit_opTypeCheck(this); 1122 if (stub()) { 1123 masm->append_code_stub(stub()); 1124 } 1125 } 1126 1127 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1128 masm->emit_compare_and_swap(this); 1129 } 1130 1131 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1132 masm->emit_op3(this); 1133 } 1134 1135 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1136 masm->emit_lock(this); 1137 if (stub()) { 1138 masm->append_code_stub(stub()); 1139 } 1140 } 1141 1142 #ifdef ASSERT 1143 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1144 masm->emit_assert(this); 1145 } 1146 #endif 1147 1148 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1149 masm->emit_delay(this); 1150 } 1151 1152 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1153 masm->emit_profile_call(this); 1154 } 1155 1156 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1157 masm->emit_profile_type(this); 1158 } 1159 1160 // LIR_List 1161 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1162 : _operations(8) 1163 , _compilation(compilation) 1164 #ifndef PRODUCT 1165 , _block(block) 1166 #endif 1167 #ifdef ASSERT 1168 , _file(NULL) 1169 , _line(0) 1170 #endif 1171 { } 1172 1173 1174 #ifdef ASSERT 1175 void LIR_List::set_file_and_line(const char * file, int line) { 1176 const char * f = strrchr(file, '/'); 1177 if (f == NULL) f = strrchr(file, '\\'); 1178 if (f == NULL) { 1179 f = file; 1180 } else { 1181 f++; 1182 } 1183 _file = f; 1184 _line = line; 1185 } 1186 #endif 1187 1188 1189 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1190 assert(this == buffer->lir_list(), "wrong lir list"); 1191 const int n = _operations.length(); 1192 1193 if (buffer->number_of_ops() > 0) { 1194 // increase size of instructions list 1195 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1196 // insert ops from buffer into instructions list 1197 int op_index = buffer->number_of_ops() - 1; 1198 int ip_index = buffer->number_of_insertion_points() - 1; 1199 int from_index = n - 1; 1200 int to_index = _operations.length() - 1; 1201 for (; ip_index >= 0; ip_index --) { 1202 int index = buffer->index_at(ip_index); 1203 // make room after insertion point 1204 while (index < from_index) { 1205 _operations.at_put(to_index --, _operations.at(from_index --)); 1206 } 1207 // insert ops from buffer 1208 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1209 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1210 } 1211 } 1212 } 1213 1214 buffer->finish(); 1215 } 1216 1217 1218 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1219 assert(reg->type() == T_OBJECT, "bad reg"); 1220 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1221 } 1222 1223 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1224 assert(reg->type() == T_METADATA, "bad reg"); 1225 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1226 } 1227 1228 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1229 append(new LIR_Op1( 1230 lir_move, 1231 LIR_OprFact::address(addr), 1232 src, 1233 addr->type(), 1234 patch_code, 1235 info)); 1236 } 1237 1238 1239 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1240 append(new LIR_Op1( 1241 lir_move, 1242 LIR_OprFact::address(address), 1243 dst, 1244 address->type(), 1245 patch_code, 1246 info, lir_move_volatile)); 1247 } 1248 1249 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1250 append(new LIR_Op1( 1251 lir_move, 1252 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1253 dst, 1254 type, 1255 patch_code, 1256 info, lir_move_volatile)); 1257 } 1258 1259 1260 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1261 append(new LIR_Op1( 1262 lir_move, 1263 LIR_OprFact::intConst(v), 1264 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1265 type, 1266 patch_code, 1267 info)); 1268 } 1269 1270 1271 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1272 append(new LIR_Op1( 1273 lir_move, 1274 LIR_OprFact::oopConst(o), 1275 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1276 type, 1277 patch_code, 1278 info)); 1279 } 1280 1281 1282 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1283 append(new LIR_Op1( 1284 lir_move, 1285 src, 1286 LIR_OprFact::address(addr), 1287 addr->type(), 1288 patch_code, 1289 info)); 1290 } 1291 1292 1293 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1294 append(new LIR_Op1( 1295 lir_move, 1296 src, 1297 LIR_OprFact::address(addr), 1298 addr->type(), 1299 patch_code, 1300 info, 1301 lir_move_volatile)); 1302 } 1303 1304 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1305 append(new LIR_Op1( 1306 lir_move, 1307 src, 1308 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1309 type, 1310 patch_code, 1311 info, lir_move_volatile)); 1312 } 1313 1314 1315 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1316 append(new LIR_Op3( 1317 lir_idiv, 1318 left, 1319 right, 1320 tmp, 1321 res, 1322 info)); 1323 } 1324 1325 1326 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1327 append(new LIR_Op3( 1328 lir_idiv, 1329 left, 1330 LIR_OprFact::intConst(right), 1331 tmp, 1332 res, 1333 info)); 1334 } 1335 1336 1337 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1338 append(new LIR_Op3( 1339 lir_irem, 1340 left, 1341 right, 1342 tmp, 1343 res, 1344 info)); 1345 } 1346 1347 1348 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1349 append(new LIR_Op3( 1350 lir_irem, 1351 left, 1352 LIR_OprFact::intConst(right), 1353 tmp, 1354 res, 1355 info)); 1356 } 1357 1358 1359 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1360 append(new LIR_Op2( 1361 lir_cmp, 1362 condition, 1363 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1364 LIR_OprFact::intConst(c), 1365 info)); 1366 } 1367 1368 1369 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1370 append(new LIR_Op2( 1371 lir_cmp, 1372 condition, 1373 reg, 1374 LIR_OprFact::address(addr), 1375 info)); 1376 } 1377 1378 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1379 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1380 append(new LIR_OpAllocObj( 1381 klass, 1382 dst, 1383 t1, 1384 t2, 1385 t3, 1386 t4, 1387 header_size, 1388 object_size, 1389 init_check, 1390 stub)); 1391 } 1392 1393 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) { 1394 append(new LIR_OpAllocArray( 1395 klass, 1396 len, 1397 dst, 1398 t1, 1399 t2, 1400 t3, 1401 t4, 1402 type, 1403 stub)); 1404 } 1405 1406 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1407 append(new LIR_Op2( 1408 lir_shl, 1409 value, 1410 count, 1411 dst, 1412 tmp)); 1413 } 1414 1415 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1416 append(new LIR_Op2( 1417 lir_shr, 1418 value, 1419 count, 1420 dst, 1421 tmp)); 1422 } 1423 1424 1425 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1426 append(new LIR_Op2( 1427 lir_ushr, 1428 value, 1429 count, 1430 dst, 1431 tmp)); 1432 } 1433 1434 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1435 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1436 left, 1437 right, 1438 dst)); 1439 } 1440 1441 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1442 append(new LIR_OpLock( 1443 lir_lock, 1444 hdr, 1445 obj, 1446 lock, 1447 scratch, 1448 stub, 1449 info)); 1450 } 1451 1452 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1453 append(new LIR_OpLock( 1454 lir_unlock, 1455 hdr, 1456 obj, 1457 lock, 1458 scratch, 1459 stub, 1460 NULL)); 1461 } 1462 1463 1464 void check_LIR() { 1465 // cannot do the proper checking as PRODUCT and other modes return different results 1466 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1467 } 1468 1469 1470 1471 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1472 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1473 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1474 ciMethod* profiled_method, int profiled_bci) { 1475 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1476 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1477 if (profiled_method != NULL) { 1478 c->set_profiled_method(profiled_method); 1479 c->set_profiled_bci(profiled_bci); 1480 c->set_should_profile(true); 1481 } 1482 append(c); 1483 } 1484 1485 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) { 1486 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1487 if (profiled_method != NULL) { 1488 c->set_profiled_method(profiled_method); 1489 c->set_profiled_bci(profiled_bci); 1490 c->set_should_profile(true); 1491 } 1492 append(c); 1493 } 1494 1495 1496 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1497 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1498 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1499 if (profiled_method != NULL) { 1500 c->set_profiled_method(profiled_method); 1501 c->set_profiled_bci(profiled_bci); 1502 c->set_should_profile(true); 1503 } 1504 append(c); 1505 } 1506 1507 1508 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1509 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1510 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1511 } 1512 1513 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1514 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1515 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1516 } 1517 1518 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1519 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1520 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1521 } 1522 1523 1524 #ifdef PRODUCT 1525 1526 void print_LIR(BlockList* blocks) { 1527 } 1528 1529 #else 1530 // LIR_OprDesc 1531 void LIR_OprDesc::print() const { 1532 print(tty); 1533 } 1534 1535 void LIR_OprDesc::print(outputStream* out) const { 1536 if (is_illegal()) { 1537 return; 1538 } 1539 1540 out->print("["); 1541 if (is_pointer()) { 1542 pointer()->print_value_on(out); 1543 } else if (is_single_stack()) { 1544 out->print("stack:%d", single_stack_ix()); 1545 } else if (is_double_stack()) { 1546 out->print("dbl_stack:%d",double_stack_ix()); 1547 } else if (is_virtual()) { 1548 out->print("R%d", vreg_number()); 1549 } else if (is_single_cpu()) { 1550 out->print("%s", as_register()->name()); 1551 } else if (is_double_cpu()) { 1552 out->print("%s", as_register_hi()->name()); 1553 out->print("%s", as_register_lo()->name()); 1554 #if defined(X86) 1555 } else if (is_single_xmm()) { 1556 out->print("%s", as_xmm_float_reg()->name()); 1557 } else if (is_double_xmm()) { 1558 out->print("%s", as_xmm_double_reg()->name()); 1559 } else if (is_single_fpu()) { 1560 out->print("fpu%d", fpu_regnr()); 1561 } else if (is_double_fpu()) { 1562 out->print("fpu%d", fpu_regnrLo()); 1563 #elif defined(AARCH64) 1564 } else if (is_single_fpu()) { 1565 out->print("fpu%d", fpu_regnr()); 1566 } else if (is_double_fpu()) { 1567 out->print("fpu%d", fpu_regnrLo()); 1568 #elif defined(ARM) 1569 } else if (is_single_fpu()) { 1570 out->print("s%d", fpu_regnr()); 1571 } else if (is_double_fpu()) { 1572 out->print("d%d", fpu_regnrLo() >> 1); 1573 #else 1574 } else if (is_single_fpu()) { 1575 out->print("%s", as_float_reg()->name()); 1576 } else if (is_double_fpu()) { 1577 out->print("%s", as_double_reg()->name()); 1578 #endif 1579 1580 } else if (is_illegal()) { 1581 out->print("-"); 1582 } else { 1583 out->print("Unknown Operand"); 1584 } 1585 if (!is_illegal()) { 1586 out->print("|%c", type_char()); 1587 } 1588 if (is_register() && is_last_use()) { 1589 out->print("(last_use)"); 1590 } 1591 out->print("]"); 1592 } 1593 1594 1595 // LIR_Address 1596 void LIR_Const::print_value_on(outputStream* out) const { 1597 switch (type()) { 1598 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1599 case T_INT: out->print("int:%d", as_jint()); break; 1600 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1601 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1602 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1603 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1604 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1605 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1606 } 1607 } 1608 1609 // LIR_Address 1610 void LIR_Address::print_value_on(outputStream* out) const { 1611 out->print("Base:"); _base->print(out); 1612 if (!_index->is_illegal()) { 1613 out->print(" Index:"); _index->print(out); 1614 switch (scale()) { 1615 case times_1: break; 1616 case times_2: out->print(" * 2"); break; 1617 case times_4: out->print(" * 4"); break; 1618 case times_8: out->print(" * 8"); break; 1619 } 1620 } 1621 out->print(" Disp: " INTX_FORMAT, _disp); 1622 } 1623 1624 // debug output of block header without InstructionPrinter 1625 // (because phi functions are not necessary for LIR) 1626 static void print_block(BlockBegin* x) { 1627 // print block id 1628 BlockEnd* end = x->end(); 1629 tty->print("B%d ", x->block_id()); 1630 1631 // print flags 1632 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1633 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1634 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1635 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1636 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1637 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1638 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1639 1640 // print block bci range 1641 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1642 1643 // print predecessors and successors 1644 if (x->number_of_preds() > 0) { 1645 tty->print("preds: "); 1646 for (int i = 0; i < x->number_of_preds(); i ++) { 1647 tty->print("B%d ", x->pred_at(i)->block_id()); 1648 } 1649 } 1650 1651 if (x->number_of_sux() > 0) { 1652 tty->print("sux: "); 1653 for (int i = 0; i < x->number_of_sux(); i ++) { 1654 tty->print("B%d ", x->sux_at(i)->block_id()); 1655 } 1656 } 1657 1658 // print exception handlers 1659 if (x->number_of_exception_handlers() > 0) { 1660 tty->print("xhandler: "); 1661 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1662 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1663 } 1664 } 1665 1666 tty->cr(); 1667 } 1668 1669 void print_LIR(BlockList* blocks) { 1670 tty->print_cr("LIR:"); 1671 int i; 1672 for (i = 0; i < blocks->length(); i++) { 1673 BlockBegin* bb = blocks->at(i); 1674 print_block(bb); 1675 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1676 bb->lir()->print_instructions(); 1677 } 1678 } 1679 1680 void LIR_List::print_instructions() { 1681 for (int i = 0; i < _operations.length(); i++) { 1682 _operations.at(i)->print(); tty->cr(); 1683 } 1684 tty->cr(); 1685 } 1686 1687 // LIR_Ops printing routines 1688 // LIR_Op 1689 void LIR_Op::print_on(outputStream* out) const { 1690 if (id() != -1 || PrintCFGToFile) { 1691 out->print("%4d ", id()); 1692 } else { 1693 out->print(" "); 1694 } 1695 out->print("%s ", name()); 1696 print_instr(out); 1697 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1698 #ifdef ASSERT 1699 if (Verbose && _file != NULL) { 1700 out->print(" (%s:%d)", _file, _line); 1701 } 1702 #endif 1703 } 1704 1705 const char * LIR_Op::name() const { 1706 const char* s = NULL; 1707 switch(code()) { 1708 // LIR_Op0 1709 case lir_membar: s = "membar"; break; 1710 case lir_membar_acquire: s = "membar_acquire"; break; 1711 case lir_membar_release: s = "membar_release"; break; 1712 case lir_membar_loadload: s = "membar_loadload"; break; 1713 case lir_membar_storestore: s = "membar_storestore"; break; 1714 case lir_membar_loadstore: s = "membar_loadstore"; break; 1715 case lir_membar_storeload: s = "membar_storeload"; break; 1716 case lir_word_align: s = "word_align"; break; 1717 case lir_label: s = "label"; break; 1718 case lir_nop: s = "nop"; break; 1719 case lir_backwardbranch_target: s = "backbranch"; break; 1720 case lir_std_entry: s = "std_entry"; break; 1721 case lir_osr_entry: s = "osr_entry"; break; 1722 case lir_build_frame: s = "build_frm"; break; 1723 case lir_fpop_raw: s = "fpop_raw"; break; 1724 case lir_24bit_FPU: s = "24bit_FPU"; break; 1725 case lir_reset_FPU: s = "reset_FPU"; break; 1726 case lir_breakpoint: s = "breakpoint"; break; 1727 case lir_get_thread: s = "get_thread"; break; 1728 // LIR_Op1 1729 case lir_fxch: s = "fxch"; break; 1730 case lir_fld: s = "fld"; break; 1731 case lir_ffree: s = "ffree"; break; 1732 case lir_push: s = "push"; break; 1733 case lir_pop: s = "pop"; break; 1734 case lir_null_check: s = "null_check"; break; 1735 case lir_return: s = "return"; break; 1736 case lir_safepoint: s = "safepoint"; break; 1737 case lir_neg: s = "neg"; break; 1738 case lir_leal: s = "leal"; break; 1739 case lir_branch: s = "branch"; break; 1740 case lir_cond_float_branch: s = "flt_cond_br"; break; 1741 case lir_move: s = "move"; break; 1742 case lir_roundfp: s = "roundfp"; break; 1743 case lir_rtcall: s = "rtcall"; break; 1744 case lir_throw: s = "throw"; break; 1745 case lir_unwind: s = "unwind"; break; 1746 case lir_convert: s = "convert"; break; 1747 case lir_alloc_object: s = "alloc_obj"; break; 1748 case lir_monaddr: s = "mon_addr"; break; 1749 case lir_pack64: s = "pack64"; break; 1750 case lir_unpack64: s = "unpack64"; break; 1751 // LIR_Op2 1752 case lir_cmp: s = "cmp"; break; 1753 case lir_cmp_l2i: s = "cmp_l2i"; break; 1754 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1755 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1756 case lir_cmove: s = "cmove"; break; 1757 case lir_add: s = "add"; break; 1758 case lir_sub: s = "sub"; break; 1759 case lir_mul: s = "mul"; break; 1760 case lir_mul_strictfp: s = "mul_strictfp"; break; 1761 case lir_div: s = "div"; break; 1762 case lir_div_strictfp: s = "div_strictfp"; break; 1763 case lir_rem: s = "rem"; break; 1764 case lir_abs: s = "abs"; break; 1765 case lir_sqrt: s = "sqrt"; break; 1766 case lir_tan: s = "tan"; break; 1767 case lir_log10: s = "log10"; break; 1768 case lir_pow: s = "pow"; break; 1769 case lir_logic_and: s = "logic_and"; break; 1770 case lir_logic_or: s = "logic_or"; break; 1771 case lir_logic_xor: s = "logic_xor"; break; 1772 case lir_shl: s = "shift_left"; break; 1773 case lir_shr: s = "shift_right"; break; 1774 case lir_ushr: s = "ushift_right"; break; 1775 case lir_alloc_array: s = "alloc_array"; break; 1776 case lir_xadd: s = "xadd"; break; 1777 case lir_xchg: s = "xchg"; break; 1778 // LIR_Op3 1779 case lir_idiv: s = "idiv"; break; 1780 case lir_irem: s = "irem"; break; 1781 // LIR_OpJavaCall 1782 case lir_static_call: s = "static"; break; 1783 case lir_optvirtual_call: s = "optvirtual"; break; 1784 case lir_icvirtual_call: s = "icvirtual"; break; 1785 case lir_virtual_call: s = "virtual"; break; 1786 case lir_dynamic_call: s = "dynamic"; break; 1787 // LIR_OpArrayCopy 1788 case lir_arraycopy: s = "arraycopy"; break; 1789 // LIR_OpUpdateCRC32 1790 case lir_updatecrc32: s = "updatecrc32"; break; 1791 // LIR_OpLock 1792 case lir_lock: s = "lock"; break; 1793 case lir_unlock: s = "unlock"; break; 1794 // LIR_OpDelay 1795 case lir_delay_slot: s = "delay"; break; 1796 // LIR_OpTypeCheck 1797 case lir_instanceof: s = "instanceof"; break; 1798 case lir_checkcast: s = "checkcast"; break; 1799 case lir_store_check: s = "store_check"; break; 1800 // LIR_OpCompareAndSwap 1801 case lir_cas_long: s = "cas_long"; break; 1802 case lir_cas_obj: s = "cas_obj"; break; 1803 case lir_cas_int: s = "cas_int"; break; 1804 // LIR_OpProfileCall 1805 case lir_profile_call: s = "profile_call"; break; 1806 // LIR_OpProfileType 1807 case lir_profile_type: s = "profile_type"; break; 1808 // LIR_OpAssert 1809 #ifdef ASSERT 1810 case lir_assert: s = "assert"; break; 1811 #endif 1812 case lir_none: ShouldNotReachHere();break; 1813 default: s = "illegal_op"; break; 1814 } 1815 return s; 1816 } 1817 1818 // LIR_OpJavaCall 1819 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1820 out->print("call: "); 1821 out->print("[addr: " INTPTR_FORMAT "]", p2i(address())); 1822 if (receiver()->is_valid()) { 1823 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1824 } 1825 if (result_opr()->is_valid()) { 1826 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1827 } 1828 } 1829 1830 // LIR_OpLabel 1831 void LIR_OpLabel::print_instr(outputStream* out) const { 1832 out->print("[label:" INTPTR_FORMAT "]", p2i(_label)); 1833 } 1834 1835 // LIR_OpArrayCopy 1836 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1837 src()->print(out); out->print(" "); 1838 src_pos()->print(out); out->print(" "); 1839 dst()->print(out); out->print(" "); 1840 dst_pos()->print(out); out->print(" "); 1841 length()->print(out); out->print(" "); 1842 tmp()->print(out); out->print(" "); 1843 } 1844 1845 // LIR_OpUpdateCRC32 1846 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const { 1847 crc()->print(out); out->print(" "); 1848 val()->print(out); out->print(" "); 1849 result_opr()->print(out); out->print(" "); 1850 } 1851 1852 // LIR_OpCompareAndSwap 1853 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1854 addr()->print(out); out->print(" "); 1855 cmp_value()->print(out); out->print(" "); 1856 new_value()->print(out); out->print(" "); 1857 tmp1()->print(out); out->print(" "); 1858 tmp2()->print(out); out->print(" "); 1859 1860 } 1861 1862 // LIR_Op0 1863 void LIR_Op0::print_instr(outputStream* out) const { 1864 result_opr()->print(out); 1865 } 1866 1867 // LIR_Op1 1868 const char * LIR_Op1::name() const { 1869 if (code() == lir_move) { 1870 switch (move_kind()) { 1871 case lir_move_normal: 1872 return "move"; 1873 case lir_move_unaligned: 1874 return "unaligned move"; 1875 case lir_move_volatile: 1876 return "volatile_move"; 1877 case lir_move_wide: 1878 return "wide_move"; 1879 default: 1880 ShouldNotReachHere(); 1881 return "illegal_op"; 1882 } 1883 } else { 1884 return LIR_Op::name(); 1885 } 1886 } 1887 1888 1889 void LIR_Op1::print_instr(outputStream* out) const { 1890 _opr->print(out); out->print(" "); 1891 result_opr()->print(out); out->print(" "); 1892 print_patch_code(out, patch_code()); 1893 } 1894 1895 1896 // LIR_Op1 1897 void LIR_OpRTCall::print_instr(outputStream* out) const { 1898 intx a = (intx)addr(); 1899 out->print("%s", Runtime1::name_for_address(addr())); 1900 out->print(" "); 1901 tmp()->print(out); 1902 } 1903 1904 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1905 switch(code) { 1906 case lir_patch_none: break; 1907 case lir_patch_low: out->print("[patch_low]"); break; 1908 case lir_patch_high: out->print("[patch_high]"); break; 1909 case lir_patch_normal: out->print("[patch_normal]"); break; 1910 default: ShouldNotReachHere(); 1911 } 1912 } 1913 1914 // LIR_OpBranch 1915 void LIR_OpBranch::print_instr(outputStream* out) const { 1916 print_condition(out, cond()); out->print(" "); 1917 if (block() != NULL) { 1918 out->print("[B%d] ", block()->block_id()); 1919 } else if (stub() != NULL) { 1920 out->print("["); 1921 stub()->print_name(out); 1922 out->print(": " INTPTR_FORMAT "]", p2i(stub())); 1923 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1924 } else { 1925 out->print("[label:" INTPTR_FORMAT "] ", p2i(label())); 1926 } 1927 if (ublock() != NULL) { 1928 out->print("unordered: [B%d] ", ublock()->block_id()); 1929 } 1930 } 1931 1932 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1933 switch(cond) { 1934 case lir_cond_equal: out->print("[EQ]"); break; 1935 case lir_cond_notEqual: out->print("[NE]"); break; 1936 case lir_cond_less: out->print("[LT]"); break; 1937 case lir_cond_lessEqual: out->print("[LE]"); break; 1938 case lir_cond_greaterEqual: out->print("[GE]"); break; 1939 case lir_cond_greater: out->print("[GT]"); break; 1940 case lir_cond_belowEqual: out->print("[BE]"); break; 1941 case lir_cond_aboveEqual: out->print("[AE]"); break; 1942 case lir_cond_always: out->print("[AL]"); break; 1943 default: out->print("[%d]",cond); break; 1944 } 1945 } 1946 1947 // LIR_OpConvert 1948 void LIR_OpConvert::print_instr(outputStream* out) const { 1949 print_bytecode(out, bytecode()); 1950 in_opr()->print(out); out->print(" "); 1951 result_opr()->print(out); out->print(" "); 1952 #ifdef PPC 1953 if(tmp1()->is_valid()) { 1954 tmp1()->print(out); out->print(" "); 1955 tmp2()->print(out); out->print(" "); 1956 } 1957 #endif 1958 } 1959 1960 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1961 switch(code) { 1962 case Bytecodes::_d2f: out->print("[d2f] "); break; 1963 case Bytecodes::_d2i: out->print("[d2i] "); break; 1964 case Bytecodes::_d2l: out->print("[d2l] "); break; 1965 case Bytecodes::_f2d: out->print("[f2d] "); break; 1966 case Bytecodes::_f2i: out->print("[f2i] "); break; 1967 case Bytecodes::_f2l: out->print("[f2l] "); break; 1968 case Bytecodes::_i2b: out->print("[i2b] "); break; 1969 case Bytecodes::_i2c: out->print("[i2c] "); break; 1970 case Bytecodes::_i2d: out->print("[i2d] "); break; 1971 case Bytecodes::_i2f: out->print("[i2f] "); break; 1972 case Bytecodes::_i2l: out->print("[i2l] "); break; 1973 case Bytecodes::_i2s: out->print("[i2s] "); break; 1974 case Bytecodes::_l2i: out->print("[l2i] "); break; 1975 case Bytecodes::_l2f: out->print("[l2f] "); break; 1976 case Bytecodes::_l2d: out->print("[l2d] "); break; 1977 default: 1978 out->print("[?%d]",code); 1979 break; 1980 } 1981 } 1982 1983 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1984 klass()->print(out); out->print(" "); 1985 obj()->print(out); out->print(" "); 1986 tmp1()->print(out); out->print(" "); 1987 tmp2()->print(out); out->print(" "); 1988 tmp3()->print(out); out->print(" "); 1989 tmp4()->print(out); out->print(" "); 1990 out->print("[hdr:%d]", header_size()); out->print(" "); 1991 out->print("[obj:%d]", object_size()); out->print(" "); 1992 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1993 } 1994 1995 void LIR_OpRoundFP::print_instr(outputStream* out) const { 1996 _opr->print(out); out->print(" "); 1997 tmp()->print(out); out->print(" "); 1998 result_opr()->print(out); out->print(" "); 1999 } 2000 2001 // LIR_Op2 2002 void LIR_Op2::print_instr(outputStream* out) const { 2003 if (code() == lir_cmove || code() == lir_cmp) { 2004 print_condition(out, condition()); out->print(" "); 2005 } 2006 in_opr1()->print(out); out->print(" "); 2007 in_opr2()->print(out); out->print(" "); 2008 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 2009 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 2010 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 2011 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 2012 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 2013 result_opr()->print(out); 2014 } 2015 2016 void LIR_OpAllocArray::print_instr(outputStream* out) const { 2017 klass()->print(out); out->print(" "); 2018 len()->print(out); out->print(" "); 2019 obj()->print(out); out->print(" "); 2020 tmp1()->print(out); out->print(" "); 2021 tmp2()->print(out); out->print(" "); 2022 tmp3()->print(out); out->print(" "); 2023 tmp4()->print(out); out->print(" "); 2024 out->print("[type:0x%x]", type()); out->print(" "); 2025 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2026 } 2027 2028 2029 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 2030 object()->print(out); out->print(" "); 2031 if (code() == lir_store_check) { 2032 array()->print(out); out->print(" "); 2033 } 2034 if (code() != lir_store_check) { 2035 klass()->print_name_on(out); out->print(" "); 2036 if (fast_check()) out->print("fast_check "); 2037 } 2038 tmp1()->print(out); out->print(" "); 2039 tmp2()->print(out); out->print(" "); 2040 tmp3()->print(out); out->print(" "); 2041 result_opr()->print(out); out->print(" "); 2042 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 2043 } 2044 2045 2046 // LIR_Op3 2047 void LIR_Op3::print_instr(outputStream* out) const { 2048 in_opr1()->print(out); out->print(" "); 2049 in_opr2()->print(out); out->print(" "); 2050 in_opr3()->print(out); out->print(" "); 2051 result_opr()->print(out); 2052 } 2053 2054 2055 void LIR_OpLock::print_instr(outputStream* out) const { 2056 hdr_opr()->print(out); out->print(" "); 2057 obj_opr()->print(out); out->print(" "); 2058 lock_opr()->print(out); out->print(" "); 2059 if (_scratch->is_valid()) { 2060 _scratch->print(out); out->print(" "); 2061 } 2062 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 2063 } 2064 2065 #ifdef ASSERT 2066 void LIR_OpAssert::print_instr(outputStream* out) const { 2067 print_condition(out, condition()); out->print(" "); 2068 in_opr1()->print(out); out->print(" "); 2069 in_opr2()->print(out); out->print(", \""); 2070 out->print("%s", msg()); out->print("\""); 2071 } 2072 #endif 2073 2074 2075 void LIR_OpDelay::print_instr(outputStream* out) const { 2076 _op->print_on(out); 2077 } 2078 2079 2080 // LIR_OpProfileCall 2081 void LIR_OpProfileCall::print_instr(outputStream* out) const { 2082 profiled_method()->name()->print_symbol_on(out); 2083 out->print("."); 2084 profiled_method()->holder()->name()->print_symbol_on(out); 2085 out->print(" @ %d ", profiled_bci()); 2086 mdo()->print(out); out->print(" "); 2087 recv()->print(out); out->print(" "); 2088 tmp1()->print(out); out->print(" "); 2089 } 2090 2091 // LIR_OpProfileType 2092 void LIR_OpProfileType::print_instr(outputStream* out) const { 2093 out->print("exact = "); 2094 if (exact_klass() == NULL) { 2095 out->print("unknown"); 2096 } else { 2097 exact_klass()->print_name_on(out); 2098 } 2099 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass()); 2100 out->print(" "); 2101 mdp()->print(out); out->print(" "); 2102 obj()->print(out); out->print(" "); 2103 tmp()->print(out); out->print(" "); 2104 } 2105 2106 #endif // PRODUCT 2107 2108 // Implementation of LIR_InsertionBuffer 2109 2110 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 2111 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 2112 2113 int i = number_of_insertion_points() - 1; 2114 if (i < 0 || index_at(i) < index) { 2115 append_new(index, 1); 2116 } else { 2117 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2118 assert(count_at(i) > 0, "check"); 2119 set_count_at(i, count_at(i) + 1); 2120 } 2121 _ops.push(op); 2122 2123 DEBUG_ONLY(verify()); 2124 } 2125 2126 #ifdef ASSERT 2127 void LIR_InsertionBuffer::verify() { 2128 int sum = 0; 2129 int prev_idx = -1; 2130 2131 for (int i = 0; i < number_of_insertion_points(); i++) { 2132 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2133 sum += count_at(i); 2134 } 2135 assert(sum == number_of_ops(), "wrong total sum"); 2136 } 2137 #endif