1 /* 2 * Copyright (c) 2000, 2011, 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 #ifdef ARM 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 objectTag : { 89 ClassConstant* c = type->as_ClassConstant(); 90 if (c != NULL && !c->value()->is_loaded()) { 91 return LIR_OprFact::oopConst(NULL); 92 } else { 93 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding()); 94 } 95 } 96 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value()); 97 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value()); 98 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value()); 99 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value()); 100 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value()); 101 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 102 } 103 } 104 105 106 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) { 107 switch (type->tag()) { 108 case objectTag: return LIR_OprFact::oopConst(NULL); 109 case addressTag:return LIR_OprFact::addressConst(0); 110 case intTag: return LIR_OprFact::intConst(0); 111 case floatTag: return LIR_OprFact::floatConst(0.0); 112 case longTag: return LIR_OprFact::longConst(0); 113 case doubleTag: return LIR_OprFact::doubleConst(0.0); 114 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 115 } 116 return illegalOpr; 117 } 118 119 120 121 //--------------------------------------------------- 122 123 124 LIR_Address::Scale LIR_Address::scale(BasicType type) { 125 int elem_size = type2aelembytes(type); 126 switch (elem_size) { 127 case 1: return LIR_Address::times_1; 128 case 2: return LIR_Address::times_2; 129 case 4: return LIR_Address::times_4; 130 case 8: return LIR_Address::times_8; 131 } 132 ShouldNotReachHere(); 133 return LIR_Address::times_1; 134 } 135 136 137 #ifndef PRODUCT 138 void LIR_Address::verify() const { 139 #if defined(SPARC) || defined(PPC) 140 assert(scale() == times_1, "Scaled addressing mode not available on SPARC/PPC and should not be used"); 141 assert(disp() == 0 || index()->is_illegal(), "can't have both"); 142 #endif 143 #ifdef ARM 144 assert(disp() == 0 || index()->is_illegal(), "can't have both"); 145 // Note: offsets higher than 4096 must not be rejected here. They can 146 // be handled by the back-end or will be rejected if not. 147 #endif 148 #ifdef _LP64 149 assert(base()->is_cpu_register(), "wrong base operand"); 150 assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand"); 151 assert(base()->type() == T_OBJECT || base()->type() == T_LONG, 152 "wrong type for addresses"); 153 #else 154 assert(base()->is_single_cpu(), "wrong base operand"); 155 assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand"); 156 assert(base()->type() == T_OBJECT || base()->type() == T_INT, 157 "wrong type for addresses"); 158 #endif 159 } 160 #endif 161 162 163 //--------------------------------------------------- 164 165 char LIR_OprDesc::type_char(BasicType t) { 166 switch (t) { 167 case T_ARRAY: 168 t = T_OBJECT; 169 case T_BOOLEAN: 170 case T_CHAR: 171 case T_FLOAT: 172 case T_DOUBLE: 173 case T_BYTE: 174 case T_SHORT: 175 case T_INT: 176 case T_LONG: 177 case T_OBJECT: 178 case T_ADDRESS: 179 case T_VOID: 180 return ::type2char(t); 181 182 case T_ILLEGAL: 183 return '?'; 184 185 default: 186 ShouldNotReachHere(); 187 return '?'; 188 } 189 } 190 191 #ifndef PRODUCT 192 void LIR_OprDesc::validate_type() const { 193 194 #ifdef ASSERT 195 if (!is_pointer() && !is_illegal()) { 196 switch (as_BasicType(type_field())) { 197 case T_LONG: 198 assert((kind_field() == cpu_register || kind_field() == stack_value) && 199 size_field() == double_size, "must match"); 200 break; 201 case T_FLOAT: 202 // FP return values can be also in CPU registers on ARM and PPC (softfp ABI) 203 assert((kind_field() == fpu_register || kind_field() == stack_value 204 ARM_ONLY(|| kind_field() == cpu_register) 205 PPC_ONLY(|| kind_field() == cpu_register) ) && 206 size_field() == single_size, "must match"); 207 break; 208 case T_DOUBLE: 209 // FP return values can be also in CPU registers on ARM and PPC (softfp ABI) 210 assert((kind_field() == fpu_register || kind_field() == stack_value 211 ARM_ONLY(|| kind_field() == cpu_register) 212 PPC_ONLY(|| kind_field() == cpu_register) ) && 213 size_field() == double_size, "must match"); 214 break; 215 case T_BOOLEAN: 216 case T_CHAR: 217 case T_BYTE: 218 case T_SHORT: 219 case T_INT: 220 case T_ADDRESS: 221 case T_OBJECT: 222 case T_ARRAY: 223 assert((kind_field() == cpu_register || kind_field() == stack_value) && 224 size_field() == single_size, "must match"); 225 break; 226 227 case T_ILLEGAL: 228 // XXX TKR also means unknown right now 229 // assert(is_illegal(), "must match"); 230 break; 231 232 default: 233 ShouldNotReachHere(); 234 } 235 } 236 #endif 237 238 } 239 #endif // PRODUCT 240 241 242 bool LIR_OprDesc::is_oop() const { 243 if (is_pointer()) { 244 return pointer()->is_oop_pointer(); 245 } else { 246 OprType t= type_field(); 247 assert(t != unknown_type, "not set"); 248 return t == object_type; 249 } 250 } 251 252 253 254 void LIR_Op2::verify() const { 255 #ifdef ASSERT 256 switch (code()) { 257 case lir_cmove: 258 break; 259 260 default: 261 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(), 262 "can't produce oops from arith"); 263 } 264 265 if (TwoOperandLIRForm) { 266 switch (code()) { 267 case lir_add: 268 case lir_sub: 269 case lir_mul: 270 case lir_mul_strictfp: 271 case lir_div: 272 case lir_div_strictfp: 273 case lir_rem: 274 case lir_logic_and: 275 case lir_logic_or: 276 case lir_logic_xor: 277 case lir_shl: 278 case lir_shr: 279 assert(in_opr1() == result_opr(), "opr1 and result must match"); 280 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 281 break; 282 283 // special handling for lir_ushr because of write barriers 284 case lir_ushr: 285 assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant"); 286 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 287 break; 288 289 } 290 } 291 #endif 292 } 293 294 295 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block) 296 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 297 , _cond(cond) 298 , _type(type) 299 , _label(block->label()) 300 , _block(block) 301 , _ublock(NULL) 302 , _stub(NULL) { 303 } 304 305 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) : 306 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 307 , _cond(cond) 308 , _type(type) 309 , _label(stub->entry()) 310 , _block(NULL) 311 , _ublock(NULL) 312 , _stub(stub) { 313 } 314 315 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock) 316 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 317 , _cond(cond) 318 , _type(type) 319 , _label(block->label()) 320 , _block(block) 321 , _ublock(ublock) 322 , _stub(NULL) 323 { 324 } 325 326 void LIR_OpBranch::change_block(BlockBegin* b) { 327 assert(_block != NULL, "must have old block"); 328 assert(_block->label() == label(), "must be equal"); 329 330 _block = b; 331 _label = b->label(); 332 } 333 334 void LIR_OpBranch::change_ublock(BlockBegin* b) { 335 assert(_ublock != NULL, "must have old block"); 336 _ublock = b; 337 } 338 339 void LIR_OpBranch::negate_cond() { 340 switch (_cond) { 341 case lir_cond_equal: _cond = lir_cond_notEqual; break; 342 case lir_cond_notEqual: _cond = lir_cond_equal; break; 343 case lir_cond_less: _cond = lir_cond_greaterEqual; break; 344 case lir_cond_lessEqual: _cond = lir_cond_greater; break; 345 case lir_cond_greaterEqual: _cond = lir_cond_less; break; 346 case lir_cond_greater: _cond = lir_cond_lessEqual; break; 347 default: ShouldNotReachHere(); 348 } 349 } 350 351 352 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, 353 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 354 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, 355 CodeStub* stub) 356 357 : LIR_Op(code, result, NULL) 358 , _object(object) 359 , _array(LIR_OprFact::illegalOpr) 360 , _klass(klass) 361 , _tmp1(tmp1) 362 , _tmp2(tmp2) 363 , _tmp3(tmp3) 364 , _fast_check(fast_check) 365 , _stub(stub) 366 , _info_for_patch(info_for_patch) 367 , _info_for_exception(info_for_exception) 368 , _profiled_method(NULL) 369 , _profiled_bci(-1) 370 , _should_profile(false) 371 { 372 if (code == lir_checkcast) { 373 assert(info_for_exception != NULL, "checkcast throws exceptions"); 374 } else if (code == lir_instanceof) { 375 assert(info_for_exception == NULL, "instanceof throws no exceptions"); 376 } else { 377 ShouldNotReachHere(); 378 } 379 } 380 381 382 383 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) 384 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) 385 , _object(object) 386 , _array(array) 387 , _klass(NULL) 388 , _tmp1(tmp1) 389 , _tmp2(tmp2) 390 , _tmp3(tmp3) 391 , _fast_check(false) 392 , _stub(NULL) 393 , _info_for_patch(NULL) 394 , _info_for_exception(info_for_exception) 395 , _profiled_method(NULL) 396 , _profiled_bci(-1) 397 , _should_profile(false) 398 { 399 if (code == lir_store_check) { 400 _stub = new ArrayStoreExceptionStub(object, info_for_exception); 401 assert(info_for_exception != NULL, "store_check throws exceptions"); 402 } else { 403 ShouldNotReachHere(); 404 } 405 } 406 407 408 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, 409 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) 410 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info) 411 , _tmp(tmp) 412 , _src(src) 413 , _src_pos(src_pos) 414 , _dst(dst) 415 , _dst_pos(dst_pos) 416 , _flags(flags) 417 , _expected_type(expected_type) 418 , _length(length) { 419 _stub = new ArrayCopyStub(this); 420 } 421 422 423 //-------------------verify-------------------------- 424 425 void LIR_Op1::verify() const { 426 switch(code()) { 427 case lir_move: 428 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be"); 429 break; 430 case lir_null_check: 431 assert(in_opr()->is_register(), "must be"); 432 break; 433 case lir_return: 434 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be"); 435 break; 436 } 437 } 438 439 void LIR_OpRTCall::verify() const { 440 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function"); 441 } 442 443 //-------------------visits-------------------------- 444 445 // complete rework of LIR instruction visitor. 446 // The virtual calls for each instruction type is replaced by a big 447 // switch that adds the operands for each instruction 448 449 void LIR_OpVisitState::visit(LIR_Op* op) { 450 // copy information from the LIR_Op 451 reset(); 452 set_op(op); 453 454 switch (op->code()) { 455 456 // LIR_Op0 457 case lir_word_align: // result and info always invalid 458 case lir_backwardbranch_target: // result and info always invalid 459 case lir_build_frame: // result and info always invalid 460 case lir_fpop_raw: // result and info always invalid 461 case lir_24bit_FPU: // result and info always invalid 462 case lir_reset_FPU: // result and info always invalid 463 case lir_breakpoint: // result and info always invalid 464 case lir_membar: // result and info always invalid 465 case lir_membar_acquire: // result and info always invalid 466 case lir_membar_release: // result and info always invalid 467 case lir_membar_loadload: // result and info always invalid 468 case lir_membar_storestore: // result and info always invalid 469 case lir_membar_loadstore: // result and info always invalid 470 case lir_membar_storeload: // result and info always invalid 471 { 472 assert(op->as_Op0() != NULL, "must be"); 473 assert(op->_info == NULL, "info not used by this instruction"); 474 assert(op->_result->is_illegal(), "not used"); 475 break; 476 } 477 478 case lir_nop: // may have info, result always invalid 479 case lir_std_entry: // may have result, info always invalid 480 case lir_osr_entry: // may have result, info always invalid 481 case lir_get_thread: // may have result, info always invalid 482 { 483 assert(op->as_Op0() != NULL, "must be"); 484 if (op->_info != NULL) do_info(op->_info); 485 if (op->_result->is_valid()) do_output(op->_result); 486 break; 487 } 488 489 490 // LIR_OpLabel 491 case lir_label: // result and info always invalid 492 { 493 assert(op->as_OpLabel() != NULL, "must be"); 494 assert(op->_info == NULL, "info not used by this instruction"); 495 assert(op->_result->is_illegal(), "not used"); 496 break; 497 } 498 499 500 // LIR_Op1 501 case lir_fxch: // input always valid, result and info always invalid 502 case lir_fld: // input always valid, result and info always invalid 503 case lir_ffree: // input always valid, result and info always invalid 504 case lir_push: // input always valid, result and info always invalid 505 case lir_pop: // input always valid, result and info always invalid 506 case lir_return: // input always valid, result and info always invalid 507 case lir_leal: // input and result always valid, info always invalid 508 case lir_neg: // input and result always valid, info always invalid 509 case lir_monaddr: // input and result always valid, info always invalid 510 case lir_null_check: // input and info always valid, result always invalid 511 case lir_move: // input and result always valid, may have info 512 case lir_pack64: // input and result always valid 513 case lir_unpack64: // input and result always valid 514 case lir_prefetchr: // input always valid, result and info always invalid 515 case lir_prefetchw: // input always valid, result and info always invalid 516 { 517 assert(op->as_Op1() != NULL, "must be"); 518 LIR_Op1* op1 = (LIR_Op1*)op; 519 520 if (op1->_info) do_info(op1->_info); 521 if (op1->_opr->is_valid()) do_input(op1->_opr); 522 if (op1->_result->is_valid()) do_output(op1->_result); 523 524 break; 525 } 526 527 case lir_safepoint: 528 { 529 assert(op->as_Op1() != NULL, "must be"); 530 LIR_Op1* op1 = (LIR_Op1*)op; 531 532 assert(op1->_info != NULL, ""); do_info(op1->_info); 533 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register 534 assert(op1->_result->is_illegal(), "safepoint does not produce value"); 535 536 break; 537 } 538 539 // LIR_OpConvert; 540 case lir_convert: // input and result always valid, info always invalid 541 { 542 assert(op->as_OpConvert() != NULL, "must be"); 543 LIR_OpConvert* opConvert = (LIR_OpConvert*)op; 544 545 assert(opConvert->_info == NULL, "must be"); 546 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr); 547 if (opConvert->_result->is_valid()) do_output(opConvert->_result); 548 #ifdef PPC 549 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1); 550 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2); 551 #endif 552 do_stub(opConvert->_stub); 553 554 break; 555 } 556 557 // LIR_OpBranch; 558 case lir_branch: // may have info, input and result register always invalid 559 case lir_cond_float_branch: // may have info, input and result register always invalid 560 { 561 assert(op->as_OpBranch() != NULL, "must be"); 562 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 563 564 if (opBranch->_info != NULL) do_info(opBranch->_info); 565 assert(opBranch->_result->is_illegal(), "not used"); 566 if (opBranch->_stub != NULL) opBranch->stub()->visit(this); 567 568 break; 569 } 570 571 572 // LIR_OpAllocObj 573 case lir_alloc_object: 574 { 575 assert(op->as_OpAllocObj() != NULL, "must be"); 576 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 577 578 if (opAllocObj->_info) do_info(opAllocObj->_info); 579 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 580 do_temp(opAllocObj->_opr); 581 } 582 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 583 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 584 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 585 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 586 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 587 do_stub(opAllocObj->_stub); 588 break; 589 } 590 591 592 // LIR_OpRoundFP; 593 case lir_roundfp: { 594 assert(op->as_OpRoundFP() != NULL, "must be"); 595 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op; 596 597 assert(op->_info == NULL, "info not used by this instruction"); 598 assert(opRoundFP->_tmp->is_illegal(), "not used"); 599 do_input(opRoundFP->_opr); 600 do_output(opRoundFP->_result); 601 602 break; 603 } 604 605 606 // LIR_Op2 607 case lir_cmp: 608 case lir_cmp_l2i: 609 case lir_ucmp_fd2i: 610 case lir_cmp_fd2i: 611 case lir_add: 612 case lir_sub: 613 case lir_mul: 614 case lir_div: 615 case lir_rem: 616 case lir_sqrt: 617 case lir_abs: 618 case lir_logic_and: 619 case lir_logic_or: 620 case lir_logic_xor: 621 case lir_shl: 622 case lir_shr: 623 case lir_ushr: 624 { 625 assert(op->as_Op2() != NULL, "must be"); 626 LIR_Op2* op2 = (LIR_Op2*)op; 627 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 628 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 629 630 if (op2->_info) do_info(op2->_info); 631 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 632 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 633 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 634 if (op2->_result->is_valid()) do_output(op2->_result); 635 636 break; 637 } 638 639 // special handling for cmove: right input operand must not be equal 640 // to the result operand, otherwise the backend fails 641 case lir_cmove: 642 { 643 assert(op->as_Op2() != NULL, "must be"); 644 LIR_Op2* op2 = (LIR_Op2*)op; 645 646 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() && 647 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 648 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used"); 649 650 do_input(op2->_opr1); 651 do_input(op2->_opr2); 652 do_temp(op2->_opr2); 653 do_output(op2->_result); 654 655 break; 656 } 657 658 // vspecial handling for strict operations: register input operands 659 // as temp to guarantee that they do not overlap with other 660 // registers 661 case lir_mul_strictfp: 662 case lir_div_strictfp: 663 { 664 assert(op->as_Op2() != NULL, "must be"); 665 LIR_Op2* op2 = (LIR_Op2*)op; 666 667 assert(op2->_info == NULL, "not used"); 668 assert(op2->_opr1->is_valid(), "used"); 669 assert(op2->_opr2->is_valid(), "used"); 670 assert(op2->_result->is_valid(), "used"); 671 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 672 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 673 674 do_input(op2->_opr1); do_temp(op2->_opr1); 675 do_input(op2->_opr2); do_temp(op2->_opr2); 676 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 677 do_output(op2->_result); 678 679 break; 680 } 681 682 case lir_throw: { 683 assert(op->as_Op2() != NULL, "must be"); 684 LIR_Op2* op2 = (LIR_Op2*)op; 685 686 if (op2->_info) do_info(op2->_info); 687 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 688 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 689 assert(op2->_result->is_illegal(), "no result"); 690 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 691 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 692 693 break; 694 } 695 696 case lir_unwind: { 697 assert(op->as_Op1() != NULL, "must be"); 698 LIR_Op1* op1 = (LIR_Op1*)op; 699 700 assert(op1->_info == NULL, "no info"); 701 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 702 assert(op1->_result->is_illegal(), "no result"); 703 704 break; 705 } 706 707 708 case lir_tan: 709 case lir_sin: 710 case lir_cos: 711 case lir_log: 712 case lir_log10: 713 case lir_exp: { 714 assert(op->as_Op2() != NULL, "must be"); 715 LIR_Op2* op2 = (LIR_Op2*)op; 716 717 // On x86 tan/sin/cos need two temporary fpu stack slots and 718 // log/log10 need one so handle opr2 and tmp as temp inputs. 719 // Register input operand as temp to guarantee that it doesn't 720 // overlap with the input. 721 assert(op2->_info == NULL, "not used"); 722 assert(op2->_tmp5->is_illegal(), "not used"); 723 assert(op2->_tmp2->is_valid() == (op->code() == lir_exp), "not used"); 724 assert(op2->_tmp3->is_valid() == (op->code() == lir_exp), "not used"); 725 assert(op2->_tmp4->is_valid() == (op->code() == lir_exp), "not used"); 726 assert(op2->_opr1->is_valid(), "used"); 727 do_input(op2->_opr1); do_temp(op2->_opr1); 728 729 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 730 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 731 if (op2->_tmp2->is_valid()) do_temp(op2->_tmp2); 732 if (op2->_tmp3->is_valid()) do_temp(op2->_tmp3); 733 if (op2->_tmp4->is_valid()) do_temp(op2->_tmp4); 734 if (op2->_result->is_valid()) do_output(op2->_result); 735 736 break; 737 } 738 739 case lir_pow: { 740 assert(op->as_Op2() != NULL, "must be"); 741 LIR_Op2* op2 = (LIR_Op2*)op; 742 743 // On x86 pow needs two temporary fpu stack slots: tmp1 and 744 // tmp2. Register input operands as temps to guarantee that it 745 // doesn't overlap with the temporary slots. 746 assert(op2->_info == NULL, "not used"); 747 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid(), "used"); 748 assert(op2->_tmp1->is_valid() && op2->_tmp2->is_valid() && op2->_tmp3->is_valid() 749 && op2->_tmp4->is_valid() && op2->_tmp5->is_valid(), "used"); 750 assert(op2->_result->is_valid(), "used"); 751 752 do_input(op2->_opr1); do_temp(op2->_opr1); 753 do_input(op2->_opr2); do_temp(op2->_opr2); 754 do_temp(op2->_tmp1); 755 do_temp(op2->_tmp2); 756 do_temp(op2->_tmp3); 757 do_temp(op2->_tmp4); 758 do_temp(op2->_tmp5); 759 do_output(op2->_result); 760 761 break; 762 } 763 764 // LIR_Op3 765 case lir_idiv: 766 case lir_irem: { 767 assert(op->as_Op3() != NULL, "must be"); 768 LIR_Op3* op3= (LIR_Op3*)op; 769 770 if (op3->_info) do_info(op3->_info); 771 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 772 773 // second operand is input and temp, so ensure that second operand 774 // and third operand get not the same register 775 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 776 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 777 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 778 779 if (op3->_result->is_valid()) do_output(op3->_result); 780 781 break; 782 } 783 784 785 // LIR_OpJavaCall 786 case lir_static_call: 787 case lir_optvirtual_call: 788 case lir_icvirtual_call: 789 case lir_virtual_call: 790 case lir_dynamic_call: { 791 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 792 assert(opJavaCall != NULL, "must be"); 793 794 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 795 796 // only visit register parameters 797 int n = opJavaCall->_arguments->length(); 798 for (int i = 0; i < n; i++) { 799 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 800 do_input(*opJavaCall->_arguments->adr_at(i)); 801 } 802 } 803 804 if (opJavaCall->_info) do_info(opJavaCall->_info); 805 if (opJavaCall->is_method_handle_invoke()) { 806 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 807 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 808 } 809 do_call(); 810 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 811 812 break; 813 } 814 815 816 // LIR_OpRTCall 817 case lir_rtcall: { 818 assert(op->as_OpRTCall() != NULL, "must be"); 819 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 820 821 // only visit register parameters 822 int n = opRTCall->_arguments->length(); 823 for (int i = 0; i < n; i++) { 824 if (!opRTCall->_arguments->at(i)->is_pointer()) { 825 do_input(*opRTCall->_arguments->adr_at(i)); 826 } 827 } 828 if (opRTCall->_info) do_info(opRTCall->_info); 829 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 830 do_call(); 831 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 832 833 break; 834 } 835 836 837 // LIR_OpArrayCopy 838 case lir_arraycopy: { 839 assert(op->as_OpArrayCopy() != NULL, "must be"); 840 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 841 842 assert(opArrayCopy->_result->is_illegal(), "unused"); 843 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 844 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 845 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 846 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 847 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 848 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 849 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 850 851 // the implementation of arraycopy always has a call into the runtime 852 do_call(); 853 854 break; 855 } 856 857 858 // LIR_OpLock 859 case lir_lock: 860 case lir_unlock: { 861 assert(op->as_OpLock() != NULL, "must be"); 862 LIR_OpLock* opLock = (LIR_OpLock*)op; 863 864 if (opLock->_info) do_info(opLock->_info); 865 866 // TODO: check if these operands really have to be temp 867 // (or if input is sufficient). This may have influence on the oop map! 868 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 869 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 870 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 871 872 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 873 assert(opLock->_result->is_illegal(), "unused"); 874 875 do_stub(opLock->_stub); 876 877 break; 878 } 879 880 881 // LIR_OpDelay 882 case lir_delay_slot: { 883 assert(op->as_OpDelay() != NULL, "must be"); 884 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 885 886 visit(opDelay->delay_op()); 887 break; 888 } 889 890 // LIR_OpTypeCheck 891 case lir_instanceof: 892 case lir_checkcast: 893 case lir_store_check: { 894 assert(op->as_OpTypeCheck() != NULL, "must be"); 895 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 896 897 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 898 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 899 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 900 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 901 do_temp(opTypeCheck->_object); 902 } 903 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 904 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 905 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 906 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 907 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 908 do_stub(opTypeCheck->_stub); 909 break; 910 } 911 912 // LIR_OpCompareAndSwap 913 case lir_cas_long: 914 case lir_cas_obj: 915 case lir_cas_int: { 916 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 917 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 918 919 assert(opCompareAndSwap->_addr->is_valid(), "used"); 920 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 921 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 922 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 923 do_input(opCompareAndSwap->_addr); 924 do_temp(opCompareAndSwap->_addr); 925 do_input(opCompareAndSwap->_cmp_value); 926 do_temp(opCompareAndSwap->_cmp_value); 927 do_input(opCompareAndSwap->_new_value); 928 do_temp(opCompareAndSwap->_new_value); 929 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 930 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 931 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 932 933 break; 934 } 935 936 937 // LIR_OpAllocArray; 938 case lir_alloc_array: { 939 assert(op->as_OpAllocArray() != NULL, "must be"); 940 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 941 942 if (opAllocArray->_info) do_info(opAllocArray->_info); 943 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 944 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 945 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 946 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 947 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 948 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 949 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 950 do_stub(opAllocArray->_stub); 951 break; 952 } 953 954 // LIR_OpProfileCall: 955 case lir_profile_call: { 956 assert(op->as_OpProfileCall() != NULL, "must be"); 957 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 958 959 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 960 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 961 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 962 break; 963 } 964 default: 965 ShouldNotReachHere(); 966 } 967 } 968 969 970 void LIR_OpVisitState::do_stub(CodeStub* stub) { 971 if (stub != NULL) { 972 stub->visit(this); 973 } 974 } 975 976 XHandlers* LIR_OpVisitState::all_xhandler() { 977 XHandlers* result = NULL; 978 979 int i; 980 for (i = 0; i < info_count(); i++) { 981 if (info_at(i)->exception_handlers() != NULL) { 982 result = info_at(i)->exception_handlers(); 983 break; 984 } 985 } 986 987 #ifdef ASSERT 988 for (i = 0; i < info_count(); i++) { 989 assert(info_at(i)->exception_handlers() == NULL || 990 info_at(i)->exception_handlers() == result, 991 "only one xhandler list allowed per LIR-operation"); 992 } 993 #endif 994 995 if (result != NULL) { 996 return result; 997 } else { 998 return new XHandlers(); 999 } 1000 1001 return result; 1002 } 1003 1004 1005 #ifdef ASSERT 1006 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 1007 visit(op); 1008 1009 return opr_count(inputMode) == 0 && 1010 opr_count(outputMode) == 0 && 1011 opr_count(tempMode) == 0 && 1012 info_count() == 0 && 1013 !has_call() && 1014 !has_slow_case(); 1015 } 1016 #endif 1017 1018 //--------------------------------------------------- 1019 1020 1021 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 1022 masm->emit_call(this); 1023 } 1024 1025 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 1026 masm->emit_rtcall(this); 1027 } 1028 1029 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 1030 masm->emit_opLabel(this); 1031 } 1032 1033 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 1034 masm->emit_arraycopy(this); 1035 masm->emit_code_stub(stub()); 1036 } 1037 1038 void LIR_Op0::emit_code(LIR_Assembler* masm) { 1039 masm->emit_op0(this); 1040 } 1041 1042 void LIR_Op1::emit_code(LIR_Assembler* masm) { 1043 masm->emit_op1(this); 1044 } 1045 1046 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 1047 masm->emit_alloc_obj(this); 1048 masm->emit_code_stub(stub()); 1049 } 1050 1051 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 1052 masm->emit_opBranch(this); 1053 if (stub()) { 1054 masm->emit_code_stub(stub()); 1055 } 1056 } 1057 1058 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 1059 masm->emit_opConvert(this); 1060 if (stub() != NULL) { 1061 masm->emit_code_stub(stub()); 1062 } 1063 } 1064 1065 void LIR_Op2::emit_code(LIR_Assembler* masm) { 1066 masm->emit_op2(this); 1067 } 1068 1069 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1070 masm->emit_alloc_array(this); 1071 masm->emit_code_stub(stub()); 1072 } 1073 1074 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1075 masm->emit_opTypeCheck(this); 1076 if (stub()) { 1077 masm->emit_code_stub(stub()); 1078 } 1079 } 1080 1081 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1082 masm->emit_compare_and_swap(this); 1083 } 1084 1085 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1086 masm->emit_op3(this); 1087 } 1088 1089 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1090 masm->emit_lock(this); 1091 if (stub()) { 1092 masm->emit_code_stub(stub()); 1093 } 1094 } 1095 1096 1097 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1098 masm->emit_delay(this); 1099 } 1100 1101 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1102 masm->emit_profile_call(this); 1103 } 1104 1105 // LIR_List 1106 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1107 : _operations(8) 1108 , _compilation(compilation) 1109 #ifndef PRODUCT 1110 , _block(block) 1111 #endif 1112 #ifdef ASSERT 1113 , _file(NULL) 1114 , _line(0) 1115 #endif 1116 { } 1117 1118 1119 #ifdef ASSERT 1120 void LIR_List::set_file_and_line(const char * file, int line) { 1121 const char * f = strrchr(file, '/'); 1122 if (f == NULL) f = strrchr(file, '\\'); 1123 if (f == NULL) { 1124 f = file; 1125 } else { 1126 f++; 1127 } 1128 _file = f; 1129 _line = line; 1130 } 1131 #endif 1132 1133 1134 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1135 assert(this == buffer->lir_list(), "wrong lir list"); 1136 const int n = _operations.length(); 1137 1138 if (buffer->number_of_ops() > 0) { 1139 // increase size of instructions list 1140 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1141 // insert ops from buffer into instructions list 1142 int op_index = buffer->number_of_ops() - 1; 1143 int ip_index = buffer->number_of_insertion_points() - 1; 1144 int from_index = n - 1; 1145 int to_index = _operations.length() - 1; 1146 for (; ip_index >= 0; ip_index --) { 1147 int index = buffer->index_at(ip_index); 1148 // make room after insertion point 1149 while (index < from_index) { 1150 _operations.at_put(to_index --, _operations.at(from_index --)); 1151 } 1152 // insert ops from buffer 1153 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1154 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1155 } 1156 } 1157 } 1158 1159 buffer->finish(); 1160 } 1161 1162 1163 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1164 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1165 } 1166 1167 1168 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1169 append(new LIR_Op1( 1170 lir_move, 1171 LIR_OprFact::address(addr), 1172 src, 1173 addr->type(), 1174 patch_code, 1175 info)); 1176 } 1177 1178 1179 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1180 append(new LIR_Op1( 1181 lir_move, 1182 LIR_OprFact::address(address), 1183 dst, 1184 address->type(), 1185 patch_code, 1186 info, lir_move_volatile)); 1187 } 1188 1189 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1190 append(new LIR_Op1( 1191 lir_move, 1192 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1193 dst, 1194 type, 1195 patch_code, 1196 info, lir_move_volatile)); 1197 } 1198 1199 1200 void LIR_List::prefetch(LIR_Address* addr, bool is_store) { 1201 append(new LIR_Op1( 1202 is_store ? lir_prefetchw : lir_prefetchr, 1203 LIR_OprFact::address(addr))); 1204 } 1205 1206 1207 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1208 append(new LIR_Op1( 1209 lir_move, 1210 LIR_OprFact::intConst(v), 1211 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1212 type, 1213 patch_code, 1214 info)); 1215 } 1216 1217 1218 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1219 append(new LIR_Op1( 1220 lir_move, 1221 LIR_OprFact::oopConst(o), 1222 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1223 type, 1224 patch_code, 1225 info)); 1226 } 1227 1228 1229 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1230 append(new LIR_Op1( 1231 lir_move, 1232 src, 1233 LIR_OprFact::address(addr), 1234 addr->type(), 1235 patch_code, 1236 info)); 1237 } 1238 1239 1240 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1241 append(new LIR_Op1( 1242 lir_move, 1243 src, 1244 LIR_OprFact::address(addr), 1245 addr->type(), 1246 patch_code, 1247 info, 1248 lir_move_volatile)); 1249 } 1250 1251 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1252 append(new LIR_Op1( 1253 lir_move, 1254 src, 1255 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1256 type, 1257 patch_code, 1258 info, lir_move_volatile)); 1259 } 1260 1261 1262 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1263 append(new LIR_Op3( 1264 lir_idiv, 1265 left, 1266 right, 1267 tmp, 1268 res, 1269 info)); 1270 } 1271 1272 1273 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1274 append(new LIR_Op3( 1275 lir_idiv, 1276 left, 1277 LIR_OprFact::intConst(right), 1278 tmp, 1279 res, 1280 info)); 1281 } 1282 1283 1284 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1285 append(new LIR_Op3( 1286 lir_irem, 1287 left, 1288 right, 1289 tmp, 1290 res, 1291 info)); 1292 } 1293 1294 1295 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1296 append(new LIR_Op3( 1297 lir_irem, 1298 left, 1299 LIR_OprFact::intConst(right), 1300 tmp, 1301 res, 1302 info)); 1303 } 1304 1305 1306 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1307 append(new LIR_Op2( 1308 lir_cmp, 1309 condition, 1310 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1311 LIR_OprFact::intConst(c), 1312 info)); 1313 } 1314 1315 1316 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1317 append(new LIR_Op2( 1318 lir_cmp, 1319 condition, 1320 reg, 1321 LIR_OprFact::address(addr), 1322 info)); 1323 } 1324 1325 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1326 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1327 append(new LIR_OpAllocObj( 1328 klass, 1329 dst, 1330 t1, 1331 t2, 1332 t3, 1333 t4, 1334 header_size, 1335 object_size, 1336 init_check, 1337 stub)); 1338 } 1339 1340 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) { 1341 append(new LIR_OpAllocArray( 1342 klass, 1343 len, 1344 dst, 1345 t1, 1346 t2, 1347 t3, 1348 t4, 1349 type, 1350 stub)); 1351 } 1352 1353 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1354 append(new LIR_Op2( 1355 lir_shl, 1356 value, 1357 count, 1358 dst, 1359 tmp)); 1360 } 1361 1362 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1363 append(new LIR_Op2( 1364 lir_shr, 1365 value, 1366 count, 1367 dst, 1368 tmp)); 1369 } 1370 1371 1372 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1373 append(new LIR_Op2( 1374 lir_ushr, 1375 value, 1376 count, 1377 dst, 1378 tmp)); 1379 } 1380 1381 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1382 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1383 left, 1384 right, 1385 dst)); 1386 } 1387 1388 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1389 append(new LIR_OpLock( 1390 lir_lock, 1391 hdr, 1392 obj, 1393 lock, 1394 scratch, 1395 stub, 1396 info)); 1397 } 1398 1399 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1400 append(new LIR_OpLock( 1401 lir_unlock, 1402 hdr, 1403 obj, 1404 lock, 1405 scratch, 1406 stub, 1407 NULL)); 1408 } 1409 1410 1411 void check_LIR() { 1412 // cannot do the proper checking as PRODUCT and other modes return different results 1413 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1414 } 1415 1416 1417 1418 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1419 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1420 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1421 ciMethod* profiled_method, int profiled_bci) { 1422 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1423 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1424 if (profiled_method != NULL) { 1425 c->set_profiled_method(profiled_method); 1426 c->set_profiled_bci(profiled_bci); 1427 c->set_should_profile(true); 1428 } 1429 append(c); 1430 } 1431 1432 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) { 1433 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1434 if (profiled_method != NULL) { 1435 c->set_profiled_method(profiled_method); 1436 c->set_profiled_bci(profiled_bci); 1437 c->set_should_profile(true); 1438 } 1439 append(c); 1440 } 1441 1442 1443 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1444 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1445 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1446 if (profiled_method != NULL) { 1447 c->set_profiled_method(profiled_method); 1448 c->set_profiled_bci(profiled_bci); 1449 c->set_should_profile(true); 1450 } 1451 append(c); 1452 } 1453 1454 1455 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1456 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1457 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1458 } 1459 1460 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1461 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1462 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1463 } 1464 1465 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1466 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1467 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1468 } 1469 1470 1471 #ifdef PRODUCT 1472 1473 void print_LIR(BlockList* blocks) { 1474 } 1475 1476 #else 1477 // LIR_OprDesc 1478 void LIR_OprDesc::print() const { 1479 print(tty); 1480 } 1481 1482 void LIR_OprDesc::print(outputStream* out) const { 1483 if (is_illegal()) { 1484 return; 1485 } 1486 1487 out->print("["); 1488 if (is_pointer()) { 1489 pointer()->print_value_on(out); 1490 } else if (is_single_stack()) { 1491 out->print("stack:%d", single_stack_ix()); 1492 } else if (is_double_stack()) { 1493 out->print("dbl_stack:%d",double_stack_ix()); 1494 } else if (is_virtual()) { 1495 out->print("R%d", vreg_number()); 1496 } else if (is_single_cpu()) { 1497 out->print(as_register()->name()); 1498 } else if (is_double_cpu()) { 1499 out->print(as_register_hi()->name()); 1500 out->print(as_register_lo()->name()); 1501 #if defined(X86) 1502 } else if (is_single_xmm()) { 1503 out->print(as_xmm_float_reg()->name()); 1504 } else if (is_double_xmm()) { 1505 out->print(as_xmm_double_reg()->name()); 1506 } else if (is_single_fpu()) { 1507 out->print("fpu%d", fpu_regnr()); 1508 } else if (is_double_fpu()) { 1509 out->print("fpu%d", fpu_regnrLo()); 1510 #elif defined(ARM) 1511 } else if (is_single_fpu()) { 1512 out->print("s%d", fpu_regnr()); 1513 } else if (is_double_fpu()) { 1514 out->print("d%d", fpu_regnrLo() >> 1); 1515 #else 1516 } else if (is_single_fpu()) { 1517 out->print(as_float_reg()->name()); 1518 } else if (is_double_fpu()) { 1519 out->print(as_double_reg()->name()); 1520 #endif 1521 1522 } else if (is_illegal()) { 1523 out->print("-"); 1524 } else { 1525 out->print("Unknown Operand"); 1526 } 1527 if (!is_illegal()) { 1528 out->print("|%c", type_char()); 1529 } 1530 if (is_register() && is_last_use()) { 1531 out->print("(last_use)"); 1532 } 1533 out->print("]"); 1534 } 1535 1536 1537 // LIR_Address 1538 void LIR_Const::print_value_on(outputStream* out) const { 1539 switch (type()) { 1540 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1541 case T_INT: out->print("int:%d", as_jint()); break; 1542 case T_LONG: out->print("lng:%lld", as_jlong()); break; 1543 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1544 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1545 case T_OBJECT: out->print("obj:0x%x", as_jobject()); break; 1546 default: out->print("%3d:0x%x",type(), as_jdouble()); break; 1547 } 1548 } 1549 1550 // LIR_Address 1551 void LIR_Address::print_value_on(outputStream* out) const { 1552 out->print("Base:"); _base->print(out); 1553 if (!_index->is_illegal()) { 1554 out->print(" Index:"); _index->print(out); 1555 switch (scale()) { 1556 case times_1: break; 1557 case times_2: out->print(" * 2"); break; 1558 case times_4: out->print(" * 4"); break; 1559 case times_8: out->print(" * 8"); break; 1560 } 1561 } 1562 out->print(" Disp: %d", _disp); 1563 } 1564 1565 // debug output of block header without InstructionPrinter 1566 // (because phi functions are not necessary for LIR) 1567 static void print_block(BlockBegin* x) { 1568 // print block id 1569 BlockEnd* end = x->end(); 1570 tty->print("B%d ", x->block_id()); 1571 1572 // print flags 1573 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1574 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1575 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1576 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1577 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1578 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1579 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1580 1581 // print block bci range 1582 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1583 1584 // print predecessors and successors 1585 if (x->number_of_preds() > 0) { 1586 tty->print("preds: "); 1587 for (int i = 0; i < x->number_of_preds(); i ++) { 1588 tty->print("B%d ", x->pred_at(i)->block_id()); 1589 } 1590 } 1591 1592 if (x->number_of_sux() > 0) { 1593 tty->print("sux: "); 1594 for (int i = 0; i < x->number_of_sux(); i ++) { 1595 tty->print("B%d ", x->sux_at(i)->block_id()); 1596 } 1597 } 1598 1599 // print exception handlers 1600 if (x->number_of_exception_handlers() > 0) { 1601 tty->print("xhandler: "); 1602 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1603 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1604 } 1605 } 1606 1607 tty->cr(); 1608 } 1609 1610 void print_LIR(BlockList* blocks) { 1611 tty->print_cr("LIR:"); 1612 int i; 1613 for (i = 0; i < blocks->length(); i++) { 1614 BlockBegin* bb = blocks->at(i); 1615 print_block(bb); 1616 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1617 bb->lir()->print_instructions(); 1618 } 1619 } 1620 1621 void LIR_List::print_instructions() { 1622 for (int i = 0; i < _operations.length(); i++) { 1623 _operations.at(i)->print(); tty->cr(); 1624 } 1625 tty->cr(); 1626 } 1627 1628 // LIR_Ops printing routines 1629 // LIR_Op 1630 void LIR_Op::print_on(outputStream* out) const { 1631 if (id() != -1 || PrintCFGToFile) { 1632 out->print("%4d ", id()); 1633 } else { 1634 out->print(" "); 1635 } 1636 out->print(name()); out->print(" "); 1637 print_instr(out); 1638 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1639 #ifdef ASSERT 1640 if (Verbose && _file != NULL) { 1641 out->print(" (%s:%d)", _file, _line); 1642 } 1643 #endif 1644 } 1645 1646 const char * LIR_Op::name() const { 1647 const char* s = NULL; 1648 switch(code()) { 1649 // LIR_Op0 1650 case lir_membar: s = "membar"; break; 1651 case lir_membar_acquire: s = "membar_acquire"; break; 1652 case lir_membar_release: s = "membar_release"; break; 1653 case lir_membar_loadload: s = "membar_loadload"; break; 1654 case lir_membar_storestore: s = "membar_storestore"; break; 1655 case lir_membar_loadstore: s = "membar_loadstore"; break; 1656 case lir_membar_storeload: s = "membar_storeload"; break; 1657 case lir_word_align: s = "word_align"; break; 1658 case lir_label: s = "label"; break; 1659 case lir_nop: s = "nop"; break; 1660 case lir_backwardbranch_target: s = "backbranch"; break; 1661 case lir_std_entry: s = "std_entry"; break; 1662 case lir_osr_entry: s = "osr_entry"; break; 1663 case lir_build_frame: s = "build_frm"; break; 1664 case lir_fpop_raw: s = "fpop_raw"; break; 1665 case lir_24bit_FPU: s = "24bit_FPU"; break; 1666 case lir_reset_FPU: s = "reset_FPU"; break; 1667 case lir_breakpoint: s = "breakpoint"; break; 1668 case lir_get_thread: s = "get_thread"; break; 1669 // LIR_Op1 1670 case lir_fxch: s = "fxch"; break; 1671 case lir_fld: s = "fld"; break; 1672 case lir_ffree: s = "ffree"; break; 1673 case lir_push: s = "push"; break; 1674 case lir_pop: s = "pop"; break; 1675 case lir_null_check: s = "null_check"; break; 1676 case lir_return: s = "return"; break; 1677 case lir_safepoint: s = "safepoint"; break; 1678 case lir_neg: s = "neg"; break; 1679 case lir_leal: s = "leal"; break; 1680 case lir_branch: s = "branch"; break; 1681 case lir_cond_float_branch: s = "flt_cond_br"; break; 1682 case lir_move: s = "move"; break; 1683 case lir_roundfp: s = "roundfp"; break; 1684 case lir_rtcall: s = "rtcall"; break; 1685 case lir_throw: s = "throw"; break; 1686 case lir_unwind: s = "unwind"; break; 1687 case lir_convert: s = "convert"; break; 1688 case lir_alloc_object: s = "alloc_obj"; break; 1689 case lir_monaddr: s = "mon_addr"; break; 1690 case lir_pack64: s = "pack64"; break; 1691 case lir_unpack64: s = "unpack64"; break; 1692 // LIR_Op2 1693 case lir_cmp: s = "cmp"; break; 1694 case lir_cmp_l2i: s = "cmp_l2i"; break; 1695 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1696 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1697 case lir_cmove: s = "cmove"; break; 1698 case lir_add: s = "add"; break; 1699 case lir_sub: s = "sub"; break; 1700 case lir_mul: s = "mul"; break; 1701 case lir_mul_strictfp: s = "mul_strictfp"; break; 1702 case lir_div: s = "div"; break; 1703 case lir_div_strictfp: s = "div_strictfp"; break; 1704 case lir_rem: s = "rem"; break; 1705 case lir_abs: s = "abs"; break; 1706 case lir_sqrt: s = "sqrt"; break; 1707 case lir_sin: s = "sin"; break; 1708 case lir_cos: s = "cos"; break; 1709 case lir_tan: s = "tan"; break; 1710 case lir_log: s = "log"; break; 1711 case lir_log10: s = "log10"; break; 1712 case lir_exp: s = "exp"; break; 1713 case lir_pow: s = "pow"; break; 1714 case lir_logic_and: s = "logic_and"; break; 1715 case lir_logic_or: s = "logic_or"; break; 1716 case lir_logic_xor: s = "logic_xor"; break; 1717 case lir_shl: s = "shift_left"; break; 1718 case lir_shr: s = "shift_right"; break; 1719 case lir_ushr: s = "ushift_right"; break; 1720 case lir_alloc_array: s = "alloc_array"; break; 1721 // LIR_Op3 1722 case lir_idiv: s = "idiv"; break; 1723 case lir_irem: s = "irem"; break; 1724 // LIR_OpJavaCall 1725 case lir_static_call: s = "static"; break; 1726 case lir_optvirtual_call: s = "optvirtual"; break; 1727 case lir_icvirtual_call: s = "icvirtual"; break; 1728 case lir_virtual_call: s = "virtual"; break; 1729 case lir_dynamic_call: s = "dynamic"; break; 1730 // LIR_OpArrayCopy 1731 case lir_arraycopy: s = "arraycopy"; break; 1732 // LIR_OpLock 1733 case lir_lock: s = "lock"; break; 1734 case lir_unlock: s = "unlock"; break; 1735 // LIR_OpDelay 1736 case lir_delay_slot: s = "delay"; break; 1737 // LIR_OpTypeCheck 1738 case lir_instanceof: s = "instanceof"; break; 1739 case lir_checkcast: s = "checkcast"; break; 1740 case lir_store_check: s = "store_check"; break; 1741 // LIR_OpCompareAndSwap 1742 case lir_cas_long: s = "cas_long"; break; 1743 case lir_cas_obj: s = "cas_obj"; break; 1744 case lir_cas_int: s = "cas_int"; break; 1745 // LIR_OpProfileCall 1746 case lir_profile_call: s = "profile_call"; break; 1747 case lir_none: ShouldNotReachHere();break; 1748 default: s = "illegal_op"; break; 1749 } 1750 return s; 1751 } 1752 1753 // LIR_OpJavaCall 1754 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1755 out->print("call: "); 1756 out->print("[addr: 0x%x]", address()); 1757 if (receiver()->is_valid()) { 1758 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1759 } 1760 if (result_opr()->is_valid()) { 1761 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1762 } 1763 } 1764 1765 // LIR_OpLabel 1766 void LIR_OpLabel::print_instr(outputStream* out) const { 1767 out->print("[label:0x%x]", _label); 1768 } 1769 1770 // LIR_OpArrayCopy 1771 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1772 src()->print(out); out->print(" "); 1773 src_pos()->print(out); out->print(" "); 1774 dst()->print(out); out->print(" "); 1775 dst_pos()->print(out); out->print(" "); 1776 length()->print(out); out->print(" "); 1777 tmp()->print(out); out->print(" "); 1778 } 1779 1780 // LIR_OpCompareAndSwap 1781 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1782 addr()->print(out); out->print(" "); 1783 cmp_value()->print(out); out->print(" "); 1784 new_value()->print(out); out->print(" "); 1785 tmp1()->print(out); out->print(" "); 1786 tmp2()->print(out); out->print(" "); 1787 1788 } 1789 1790 // LIR_Op0 1791 void LIR_Op0::print_instr(outputStream* out) const { 1792 result_opr()->print(out); 1793 } 1794 1795 // LIR_Op1 1796 const char * LIR_Op1::name() const { 1797 if (code() == lir_move) { 1798 switch (move_kind()) { 1799 case lir_move_normal: 1800 return "move"; 1801 case lir_move_unaligned: 1802 return "unaligned move"; 1803 case lir_move_volatile: 1804 return "volatile_move"; 1805 case lir_move_wide: 1806 return "wide_move"; 1807 default: 1808 ShouldNotReachHere(); 1809 return "illegal_op"; 1810 } 1811 } else { 1812 return LIR_Op::name(); 1813 } 1814 } 1815 1816 1817 void LIR_Op1::print_instr(outputStream* out) const { 1818 _opr->print(out); out->print(" "); 1819 result_opr()->print(out); out->print(" "); 1820 print_patch_code(out, patch_code()); 1821 } 1822 1823 1824 // LIR_Op1 1825 void LIR_OpRTCall::print_instr(outputStream* out) const { 1826 intx a = (intx)addr(); 1827 out->print(Runtime1::name_for_address(addr())); 1828 out->print(" "); 1829 tmp()->print(out); 1830 } 1831 1832 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1833 switch(code) { 1834 case lir_patch_none: break; 1835 case lir_patch_low: out->print("[patch_low]"); break; 1836 case lir_patch_high: out->print("[patch_high]"); break; 1837 case lir_patch_normal: out->print("[patch_normal]"); break; 1838 default: ShouldNotReachHere(); 1839 } 1840 } 1841 1842 // LIR_OpBranch 1843 void LIR_OpBranch::print_instr(outputStream* out) const { 1844 print_condition(out, cond()); out->print(" "); 1845 if (block() != NULL) { 1846 out->print("[B%d] ", block()->block_id()); 1847 } else if (stub() != NULL) { 1848 out->print("["); 1849 stub()->print_name(out); 1850 out->print(": 0x%x]", stub()); 1851 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1852 } else { 1853 out->print("[label:0x%x] ", label()); 1854 } 1855 if (ublock() != NULL) { 1856 out->print("unordered: [B%d] ", ublock()->block_id()); 1857 } 1858 } 1859 1860 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1861 switch(cond) { 1862 case lir_cond_equal: out->print("[EQ]"); break; 1863 case lir_cond_notEqual: out->print("[NE]"); break; 1864 case lir_cond_less: out->print("[LT]"); break; 1865 case lir_cond_lessEqual: out->print("[LE]"); break; 1866 case lir_cond_greaterEqual: out->print("[GE]"); break; 1867 case lir_cond_greater: out->print("[GT]"); break; 1868 case lir_cond_belowEqual: out->print("[BE]"); break; 1869 case lir_cond_aboveEqual: out->print("[AE]"); break; 1870 case lir_cond_always: out->print("[AL]"); break; 1871 default: out->print("[%d]",cond); break; 1872 } 1873 } 1874 1875 // LIR_OpConvert 1876 void LIR_OpConvert::print_instr(outputStream* out) const { 1877 print_bytecode(out, bytecode()); 1878 in_opr()->print(out); out->print(" "); 1879 result_opr()->print(out); out->print(" "); 1880 #ifdef PPC 1881 if(tmp1()->is_valid()) { 1882 tmp1()->print(out); out->print(" "); 1883 tmp2()->print(out); out->print(" "); 1884 } 1885 #endif 1886 } 1887 1888 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1889 switch(code) { 1890 case Bytecodes::_d2f: out->print("[d2f] "); break; 1891 case Bytecodes::_d2i: out->print("[d2i] "); break; 1892 case Bytecodes::_d2l: out->print("[d2l] "); break; 1893 case Bytecodes::_f2d: out->print("[f2d] "); break; 1894 case Bytecodes::_f2i: out->print("[f2i] "); break; 1895 case Bytecodes::_f2l: out->print("[f2l] "); break; 1896 case Bytecodes::_i2b: out->print("[i2b] "); break; 1897 case Bytecodes::_i2c: out->print("[i2c] "); break; 1898 case Bytecodes::_i2d: out->print("[i2d] "); break; 1899 case Bytecodes::_i2f: out->print("[i2f] "); break; 1900 case Bytecodes::_i2l: out->print("[i2l] "); break; 1901 case Bytecodes::_i2s: out->print("[i2s] "); break; 1902 case Bytecodes::_l2i: out->print("[l2i] "); break; 1903 case Bytecodes::_l2f: out->print("[l2f] "); break; 1904 case Bytecodes::_l2d: out->print("[l2d] "); break; 1905 default: 1906 out->print("[?%d]",code); 1907 break; 1908 } 1909 } 1910 1911 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1912 klass()->print(out); out->print(" "); 1913 obj()->print(out); out->print(" "); 1914 tmp1()->print(out); out->print(" "); 1915 tmp2()->print(out); out->print(" "); 1916 tmp3()->print(out); out->print(" "); 1917 tmp4()->print(out); out->print(" "); 1918 out->print("[hdr:%d]", header_size()); out->print(" "); 1919 out->print("[obj:%d]", object_size()); out->print(" "); 1920 out->print("[lbl:0x%x]", stub()->entry()); 1921 } 1922 1923 void LIR_OpRoundFP::print_instr(outputStream* out) const { 1924 _opr->print(out); out->print(" "); 1925 tmp()->print(out); out->print(" "); 1926 result_opr()->print(out); out->print(" "); 1927 } 1928 1929 // LIR_Op2 1930 void LIR_Op2::print_instr(outputStream* out) const { 1931 if (code() == lir_cmove) { 1932 print_condition(out, condition()); out->print(" "); 1933 } 1934 in_opr1()->print(out); out->print(" "); 1935 in_opr2()->print(out); out->print(" "); 1936 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 1937 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 1938 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 1939 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 1940 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 1941 result_opr()->print(out); 1942 } 1943 1944 void LIR_OpAllocArray::print_instr(outputStream* out) const { 1945 klass()->print(out); out->print(" "); 1946 len()->print(out); out->print(" "); 1947 obj()->print(out); out->print(" "); 1948 tmp1()->print(out); out->print(" "); 1949 tmp2()->print(out); out->print(" "); 1950 tmp3()->print(out); out->print(" "); 1951 tmp4()->print(out); out->print(" "); 1952 out->print("[type:0x%x]", type()); out->print(" "); 1953 out->print("[label:0x%x]", stub()->entry()); 1954 } 1955 1956 1957 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 1958 object()->print(out); out->print(" "); 1959 if (code() == lir_store_check) { 1960 array()->print(out); out->print(" "); 1961 } 1962 if (code() != lir_store_check) { 1963 klass()->print_name_on(out); out->print(" "); 1964 if (fast_check()) out->print("fast_check "); 1965 } 1966 tmp1()->print(out); out->print(" "); 1967 tmp2()->print(out); out->print(" "); 1968 tmp3()->print(out); out->print(" "); 1969 result_opr()->print(out); out->print(" "); 1970 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 1971 } 1972 1973 1974 // LIR_Op3 1975 void LIR_Op3::print_instr(outputStream* out) const { 1976 in_opr1()->print(out); out->print(" "); 1977 in_opr2()->print(out); out->print(" "); 1978 in_opr3()->print(out); out->print(" "); 1979 result_opr()->print(out); 1980 } 1981 1982 1983 void LIR_OpLock::print_instr(outputStream* out) const { 1984 hdr_opr()->print(out); out->print(" "); 1985 obj_opr()->print(out); out->print(" "); 1986 lock_opr()->print(out); out->print(" "); 1987 if (_scratch->is_valid()) { 1988 _scratch->print(out); out->print(" "); 1989 } 1990 out->print("[lbl:0x%x]", stub()->entry()); 1991 } 1992 1993 1994 void LIR_OpDelay::print_instr(outputStream* out) const { 1995 _op->print_on(out); 1996 } 1997 1998 1999 // LIR_OpProfileCall 2000 void LIR_OpProfileCall::print_instr(outputStream* out) const { 2001 profiled_method()->name()->print_symbol_on(out); 2002 out->print("."); 2003 profiled_method()->holder()->name()->print_symbol_on(out); 2004 out->print(" @ %d ", profiled_bci()); 2005 mdo()->print(out); out->print(" "); 2006 recv()->print(out); out->print(" "); 2007 tmp1()->print(out); out->print(" "); 2008 } 2009 2010 #endif // PRODUCT 2011 2012 // Implementation of LIR_InsertionBuffer 2013 2014 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 2015 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 2016 2017 int i = number_of_insertion_points() - 1; 2018 if (i < 0 || index_at(i) < index) { 2019 append_new(index, 1); 2020 } else { 2021 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2022 assert(count_at(i) > 0, "check"); 2023 set_count_at(i, count_at(i) + 1); 2024 } 2025 _ops.push(op); 2026 2027 DEBUG_ONLY(verify()); 2028 } 2029 2030 #ifdef ASSERT 2031 void LIR_InsertionBuffer::verify() { 2032 int sum = 0; 2033 int prev_idx = -1; 2034 2035 for (int i = 0; i < number_of_insertion_points(); i++) { 2036 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2037 sum += count_at(i); 2038 } 2039 assert(sum == number_of_ops(), "wrong total sum"); 2040 } 2041 #endif