1 /* 2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "precompiled.hpp" 26 #include "c1/c1_InstructionPrinter.hpp" 27 #include "c1/c1_LIR.hpp" 28 #include "c1/c1_LIRAssembler.hpp" 29 #include "c1/c1_ValueStack.hpp" 30 #include "ci/ciInstance.hpp" 31 #include "runtime/sharedRuntime.hpp" 32 33 Register LIR_OprDesc::as_register() const { 34 return FrameMap::cpu_rnr2reg(cpu_regnr()); 35 } 36 37 Register LIR_OprDesc::as_register_lo() const { 38 return FrameMap::cpu_rnr2reg(cpu_regnrLo()); 39 } 40 41 Register LIR_OprDesc::as_register_hi() const { 42 return FrameMap::cpu_rnr2reg(cpu_regnrHi()); 43 } 44 45 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal(); 46 47 LIR_Opr LIR_OprFact::value_type(ValueType* type) { 48 ValueTag tag = type->tag(); 49 switch (tag) { 50 case metaDataTag : { 51 ClassConstant* c = type->as_ClassConstant(); 52 if (c != NULL && !c->value()->is_loaded()) { 53 return LIR_OprFact::metadataConst(NULL); 54 } else if (c != NULL) { 55 return LIR_OprFact::metadataConst(c->value()->constant_encoding()); 56 } else { 57 MethodConstant* m = type->as_MethodConstant(); 58 assert (m != NULL, "not a class or a method?"); 59 return LIR_OprFact::metadataConst(m->value()->constant_encoding()); 60 } 61 } 62 case objectTag : { 63 return LIR_OprFact::oopConst(type->as_ObjectType()->encoding()); 64 } 65 case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value()); 66 case intTag : return LIR_OprFact::intConst(type->as_IntConstant()->value()); 67 case floatTag : return LIR_OprFact::floatConst(type->as_FloatConstant()->value()); 68 case longTag : return LIR_OprFact::longConst(type->as_LongConstant()->value()); 69 case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value()); 70 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 71 } 72 } 73 74 75 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) { 76 switch (type->tag()) { 77 case objectTag: return LIR_OprFact::oopConst(NULL); 78 case addressTag:return LIR_OprFact::addressConst(0); 79 case intTag: return LIR_OprFact::intConst(0); 80 case floatTag: return LIR_OprFact::floatConst(0.0); 81 case longTag: return LIR_OprFact::longConst(0); 82 case doubleTag: return LIR_OprFact::doubleConst(0.0); 83 default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1); 84 } 85 return illegalOpr; 86 } 87 88 89 90 //--------------------------------------------------- 91 92 93 LIR_Address::Scale LIR_Address::scale(BasicType type) { 94 int elem_size = type2aelembytes(type); 95 switch (elem_size) { 96 case 1: return LIR_Address::times_1; 97 case 2: return LIR_Address::times_2; 98 case 4: return LIR_Address::times_4; 99 case 8: return LIR_Address::times_8; 100 } 101 ShouldNotReachHere(); 102 return LIR_Address::times_1; 103 } 104 105 //--------------------------------------------------- 106 107 char LIR_OprDesc::type_char(BasicType t) { 108 switch (t) { 109 case T_ARRAY: 110 t = T_OBJECT; 111 case T_BOOLEAN: 112 case T_CHAR: 113 case T_FLOAT: 114 case T_DOUBLE: 115 case T_BYTE: 116 case T_SHORT: 117 case T_INT: 118 case T_LONG: 119 case T_OBJECT: 120 case T_ADDRESS: 121 case T_VOID: 122 return ::type2char(t); 123 case T_METADATA: 124 return 'M'; 125 case T_ILLEGAL: 126 return '?'; 127 128 default: 129 ShouldNotReachHere(); 130 return '?'; 131 } 132 } 133 134 #ifndef PRODUCT 135 void LIR_OprDesc::validate_type() const { 136 137 #ifdef ASSERT 138 if (!is_pointer() && !is_illegal()) { 139 OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160 140 switch (as_BasicType(type_field())) { 141 case T_LONG: 142 assert((kindfield == cpu_register || kindfield == stack_value) && 143 size_field() == double_size, "must match"); 144 break; 145 case T_FLOAT: 146 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 147 assert((kindfield == fpu_register || kindfield == stack_value 148 ARM_ONLY(|| kindfield == cpu_register) 149 PPC32_ONLY(|| kindfield == cpu_register) ) && 150 size_field() == single_size, "must match"); 151 break; 152 case T_DOUBLE: 153 // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI) 154 assert((kindfield == fpu_register || kindfield == stack_value 155 ARM_ONLY(|| kindfield == cpu_register) 156 PPC32_ONLY(|| kindfield == cpu_register) ) && 157 size_field() == double_size, "must match"); 158 break; 159 case T_BOOLEAN: 160 case T_CHAR: 161 case T_BYTE: 162 case T_SHORT: 163 case T_INT: 164 case T_ADDRESS: 165 case T_OBJECT: 166 case T_METADATA: 167 case T_ARRAY: 168 assert((kindfield == cpu_register || kindfield == stack_value) && 169 size_field() == single_size, "must match"); 170 break; 171 172 case T_ILLEGAL: 173 // XXX TKR also means unknown right now 174 // assert(is_illegal(), "must match"); 175 break; 176 177 default: 178 ShouldNotReachHere(); 179 } 180 } 181 #endif 182 183 } 184 #endif // PRODUCT 185 186 187 bool LIR_OprDesc::is_oop() const { 188 if (is_pointer()) { 189 return pointer()->is_oop_pointer(); 190 } else { 191 OprType t= type_field(); 192 assert(t != unknown_type, "not set"); 193 return t == object_type; 194 } 195 } 196 197 198 199 void LIR_Op2::verify() const { 200 #ifdef ASSERT 201 switch (code()) { 202 case lir_cmove: 203 case lir_xchg: 204 break; 205 206 default: 207 assert(!result_opr()->is_register() || !result_opr()->is_oop_register(), 208 "can't produce oops from arith"); 209 } 210 211 if (TwoOperandLIRForm) { 212 switch (code()) { 213 case lir_add: 214 case lir_sub: 215 case lir_mul: 216 case lir_mul_strictfp: 217 case lir_div: 218 case lir_div_strictfp: 219 case lir_rem: 220 case lir_logic_and: 221 case lir_logic_or: 222 case lir_logic_xor: 223 case lir_shl: 224 case lir_shr: 225 assert(in_opr1() == result_opr(), "opr1 and result must match"); 226 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 227 break; 228 229 // special handling for lir_ushr because of write barriers 230 case lir_ushr: 231 assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant"); 232 assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid"); 233 break; 234 235 } 236 } 237 #endif 238 } 239 240 241 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block) 242 : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 243 , _cond(cond) 244 , _type(type) 245 , _label(block->label()) 246 , _block(block) 247 , _ublock(NULL) 248 , _stub(NULL) { 249 } 250 251 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) : 252 LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 253 , _cond(cond) 254 , _type(type) 255 , _label(stub->entry()) 256 , _block(NULL) 257 , _ublock(NULL) 258 , _stub(stub) { 259 } 260 261 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock) 262 : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL) 263 , _cond(cond) 264 , _type(type) 265 , _label(block->label()) 266 , _block(block) 267 , _ublock(ublock) 268 , _stub(NULL) 269 { 270 } 271 272 void LIR_OpBranch::change_block(BlockBegin* b) { 273 assert(_block != NULL, "must have old block"); 274 assert(_block->label() == label(), "must be equal"); 275 276 _block = b; 277 _label = b->label(); 278 } 279 280 void LIR_OpBranch::change_ublock(BlockBegin* b) { 281 assert(_ublock != NULL, "must have old block"); 282 _ublock = b; 283 } 284 285 void LIR_OpBranch::negate_cond() { 286 switch (_cond) { 287 case lir_cond_equal: _cond = lir_cond_notEqual; break; 288 case lir_cond_notEqual: _cond = lir_cond_equal; break; 289 case lir_cond_less: _cond = lir_cond_greaterEqual; break; 290 case lir_cond_lessEqual: _cond = lir_cond_greater; break; 291 case lir_cond_greaterEqual: _cond = lir_cond_less; break; 292 case lir_cond_greater: _cond = lir_cond_lessEqual; break; 293 default: ShouldNotReachHere(); 294 } 295 } 296 297 298 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass, 299 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 300 bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, 301 CodeStub* stub) 302 303 : LIR_Op(code, result, NULL) 304 , _object(object) 305 , _array(LIR_OprFact::illegalOpr) 306 , _klass(klass) 307 , _tmp1(tmp1) 308 , _tmp2(tmp2) 309 , _tmp3(tmp3) 310 , _fast_check(fast_check) 311 , _stub(stub) 312 , _info_for_patch(info_for_patch) 313 , _info_for_exception(info_for_exception) 314 , _profiled_method(NULL) 315 , _profiled_bci(-1) 316 , _should_profile(false) 317 { 318 if (code == lir_checkcast) { 319 assert(info_for_exception != NULL, "checkcast throws exceptions"); 320 } else if (code == lir_instanceof) { 321 assert(info_for_exception == NULL, "instanceof throws no exceptions"); 322 } else { 323 ShouldNotReachHere(); 324 } 325 } 326 327 328 329 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) 330 : LIR_Op(code, LIR_OprFact::illegalOpr, NULL) 331 , _object(object) 332 , _array(array) 333 , _klass(NULL) 334 , _tmp1(tmp1) 335 , _tmp2(tmp2) 336 , _tmp3(tmp3) 337 , _fast_check(false) 338 , _stub(NULL) 339 , _info_for_patch(NULL) 340 , _info_for_exception(info_for_exception) 341 , _profiled_method(NULL) 342 , _profiled_bci(-1) 343 , _should_profile(false) 344 { 345 if (code == lir_store_check) { 346 _stub = new ArrayStoreExceptionStub(object, info_for_exception); 347 assert(info_for_exception != NULL, "store_check throws exceptions"); 348 } else { 349 ShouldNotReachHere(); 350 } 351 } 352 353 354 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length, 355 LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info) 356 : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info) 357 , _tmp(tmp) 358 , _src(src) 359 , _src_pos(src_pos) 360 , _dst(dst) 361 , _dst_pos(dst_pos) 362 , _flags(flags) 363 , _expected_type(expected_type) 364 , _length(length) { 365 _stub = new ArrayCopyStub(this); 366 } 367 368 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res) 369 : LIR_Op(lir_updatecrc32, res, NULL) 370 , _crc(crc) 371 , _val(val) { 372 } 373 374 //-------------------verify-------------------------- 375 376 void LIR_Op1::verify() const { 377 switch(code()) { 378 case lir_move: 379 assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be"); 380 break; 381 case lir_null_check: 382 assert(in_opr()->is_register(), "must be"); 383 break; 384 case lir_return: 385 assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be"); 386 break; 387 } 388 } 389 390 void LIR_OpRTCall::verify() const { 391 assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function"); 392 } 393 394 //-------------------visits-------------------------- 395 396 // complete rework of LIR instruction visitor. 397 // The virtual call for each instruction type is replaced by a big 398 // switch that adds the operands for each instruction 399 400 void LIR_OpVisitState::visit(LIR_Op* op) { 401 // copy information from the LIR_Op 402 reset(); 403 set_op(op); 404 405 switch (op->code()) { 406 407 // LIR_Op0 408 case lir_word_align: // result and info always invalid 409 case lir_backwardbranch_target: // result and info always invalid 410 case lir_build_frame: // result and info always invalid 411 case lir_fpop_raw: // result and info always invalid 412 case lir_24bit_FPU: // result and info always invalid 413 case lir_reset_FPU: // result and info always invalid 414 case lir_breakpoint: // result and info always invalid 415 case lir_membar: // result and info always invalid 416 case lir_membar_acquire: // result and info always invalid 417 case lir_membar_release: // result and info always invalid 418 case lir_membar_loadload: // result and info always invalid 419 case lir_membar_storestore: // result and info always invalid 420 case lir_membar_loadstore: // result and info always invalid 421 case lir_membar_storeload: // result and info always invalid 422 case lir_on_spin_wait: 423 { 424 assert(op->as_Op0() != NULL, "must be"); 425 assert(op->_info == NULL, "info not used by this instruction"); 426 assert(op->_result->is_illegal(), "not used"); 427 break; 428 } 429 430 case lir_nop: // may have info, result always invalid 431 case lir_std_entry: // may have result, info always invalid 432 case lir_osr_entry: // may have result, info always invalid 433 case lir_get_thread: // may have result, info always invalid 434 { 435 assert(op->as_Op0() != NULL, "must be"); 436 if (op->_info != NULL) do_info(op->_info); 437 if (op->_result->is_valid()) do_output(op->_result); 438 break; 439 } 440 441 442 // LIR_OpLabel 443 case lir_label: // result and info always invalid 444 { 445 assert(op->as_OpLabel() != NULL, "must be"); 446 assert(op->_info == NULL, "info not used by this instruction"); 447 assert(op->_result->is_illegal(), "not used"); 448 break; 449 } 450 451 452 // LIR_Op1 453 case lir_fxch: // input always valid, result and info always invalid 454 case lir_fld: // input always valid, result and info always invalid 455 case lir_ffree: // input always valid, result and info always invalid 456 case lir_push: // input always valid, result and info always invalid 457 case lir_pop: // input always valid, result and info always invalid 458 case lir_return: // input always valid, result and info always invalid 459 case lir_leal: // input and result always valid, info always invalid 460 case lir_neg: // input and result always valid, info always invalid 461 case lir_monaddr: // input and result always valid, info always invalid 462 case lir_null_check: // input and info always valid, result always invalid 463 case lir_move: // input and result always valid, may have info 464 case lir_pack64: // input and result always valid 465 case lir_unpack64: // input and result always valid 466 { 467 assert(op->as_Op1() != NULL, "must be"); 468 LIR_Op1* op1 = (LIR_Op1*)op; 469 470 if (op1->_info) do_info(op1->_info); 471 if (op1->_opr->is_valid()) do_input(op1->_opr); 472 if (op1->_result->is_valid()) do_output(op1->_result); 473 474 break; 475 } 476 477 case lir_safepoint: 478 { 479 assert(op->as_Op1() != NULL, "must be"); 480 LIR_Op1* op1 = (LIR_Op1*)op; 481 482 assert(op1->_info != NULL, ""); do_info(op1->_info); 483 if (op1->_opr->is_valid()) do_temp(op1->_opr); // safepoints on SPARC need temporary register 484 assert(op1->_result->is_illegal(), "safepoint does not produce value"); 485 486 break; 487 } 488 489 // LIR_OpConvert; 490 case lir_convert: // input and result always valid, info always invalid 491 { 492 assert(op->as_OpConvert() != NULL, "must be"); 493 LIR_OpConvert* opConvert = (LIR_OpConvert*)op; 494 495 assert(opConvert->_info == NULL, "must be"); 496 if (opConvert->_opr->is_valid()) do_input(opConvert->_opr); 497 if (opConvert->_result->is_valid()) do_output(opConvert->_result); 498 #ifdef PPC32 499 if (opConvert->_tmp1->is_valid()) do_temp(opConvert->_tmp1); 500 if (opConvert->_tmp2->is_valid()) do_temp(opConvert->_tmp2); 501 #endif 502 do_stub(opConvert->_stub); 503 504 break; 505 } 506 507 // LIR_OpBranch; 508 case lir_branch: // may have info, input and result register always invalid 509 case lir_cond_float_branch: // may have info, input and result register always invalid 510 { 511 assert(op->as_OpBranch() != NULL, "must be"); 512 LIR_OpBranch* opBranch = (LIR_OpBranch*)op; 513 514 if (opBranch->_info != NULL) do_info(opBranch->_info); 515 assert(opBranch->_result->is_illegal(), "not used"); 516 if (opBranch->_stub != NULL) opBranch->stub()->visit(this); 517 518 break; 519 } 520 521 522 // LIR_OpAllocObj 523 case lir_alloc_object: 524 { 525 assert(op->as_OpAllocObj() != NULL, "must be"); 526 LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op; 527 528 if (opAllocObj->_info) do_info(opAllocObj->_info); 529 if (opAllocObj->_opr->is_valid()) { do_input(opAllocObj->_opr); 530 do_temp(opAllocObj->_opr); 531 } 532 if (opAllocObj->_tmp1->is_valid()) do_temp(opAllocObj->_tmp1); 533 if (opAllocObj->_tmp2->is_valid()) do_temp(opAllocObj->_tmp2); 534 if (opAllocObj->_tmp3->is_valid()) do_temp(opAllocObj->_tmp3); 535 if (opAllocObj->_tmp4->is_valid()) do_temp(opAllocObj->_tmp4); 536 if (opAllocObj->_result->is_valid()) do_output(opAllocObj->_result); 537 do_stub(opAllocObj->_stub); 538 break; 539 } 540 541 542 // LIR_OpRoundFP; 543 case lir_roundfp: { 544 assert(op->as_OpRoundFP() != NULL, "must be"); 545 LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op; 546 547 assert(op->_info == NULL, "info not used by this instruction"); 548 assert(opRoundFP->_tmp->is_illegal(), "not used"); 549 do_input(opRoundFP->_opr); 550 do_output(opRoundFP->_result); 551 552 break; 553 } 554 555 556 // LIR_Op2 557 case lir_cmp: 558 case lir_cmp_l2i: 559 case lir_ucmp_fd2i: 560 case lir_cmp_fd2i: 561 case lir_add: 562 case lir_sub: 563 case lir_mul: 564 case lir_div: 565 case lir_rem: 566 case lir_sqrt: 567 case lir_abs: 568 case lir_logic_and: 569 case lir_logic_or: 570 case lir_logic_xor: 571 case lir_shl: 572 case lir_shr: 573 case lir_ushr: 574 case lir_xadd: 575 case lir_xchg: 576 case lir_assert: 577 { 578 assert(op->as_Op2() != NULL, "must be"); 579 LIR_Op2* op2 = (LIR_Op2*)op; 580 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 581 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 582 583 if (op2->_info) do_info(op2->_info); 584 if (op2->_opr1->is_valid()) do_input(op2->_opr1); 585 if (op2->_opr2->is_valid()) do_input(op2->_opr2); 586 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 587 if (op2->_result->is_valid()) do_output(op2->_result); 588 if (op->code() == lir_xchg || op->code() == lir_xadd) { 589 // on ARM and PPC, return value is loaded first so could 590 // destroy inputs. On other platforms that implement those 591 // (x86, sparc), the extra constrainsts are harmless. 592 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 593 if (op2->_opr2->is_valid()) do_temp(op2->_opr2); 594 } 595 596 break; 597 } 598 599 // special handling for cmove: right input operand must not be equal 600 // to the result operand, otherwise the backend fails 601 case lir_cmove: 602 { 603 assert(op->as_Op2() != NULL, "must be"); 604 LIR_Op2* op2 = (LIR_Op2*)op; 605 606 assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() && 607 op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 608 assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used"); 609 610 do_input(op2->_opr1); 611 do_input(op2->_opr2); 612 do_temp(op2->_opr2); 613 do_output(op2->_result); 614 615 break; 616 } 617 618 // vspecial handling for strict operations: register input operands 619 // as temp to guarantee that they do not overlap with other 620 // registers 621 case lir_mul_strictfp: 622 case lir_div_strictfp: 623 { 624 assert(op->as_Op2() != NULL, "must be"); 625 LIR_Op2* op2 = (LIR_Op2*)op; 626 627 assert(op2->_info == NULL, "not used"); 628 assert(op2->_opr1->is_valid(), "used"); 629 assert(op2->_opr2->is_valid(), "used"); 630 assert(op2->_result->is_valid(), "used"); 631 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 632 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 633 634 do_input(op2->_opr1); do_temp(op2->_opr1); 635 do_input(op2->_opr2); do_temp(op2->_opr2); 636 if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1); 637 do_output(op2->_result); 638 639 break; 640 } 641 642 case lir_throw: { 643 assert(op->as_Op2() != NULL, "must be"); 644 LIR_Op2* op2 = (LIR_Op2*)op; 645 646 if (op2->_info) do_info(op2->_info); 647 if (op2->_opr1->is_valid()) do_temp(op2->_opr1); 648 if (op2->_opr2->is_valid()) do_input(op2->_opr2); // exception object is input parameter 649 assert(op2->_result->is_illegal(), "no result"); 650 assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() && 651 op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used"); 652 653 break; 654 } 655 656 case lir_unwind: { 657 assert(op->as_Op1() != NULL, "must be"); 658 LIR_Op1* op1 = (LIR_Op1*)op; 659 660 assert(op1->_info == NULL, "no info"); 661 assert(op1->_opr->is_valid(), "exception oop"); do_input(op1->_opr); 662 assert(op1->_result->is_illegal(), "no result"); 663 664 break; 665 } 666 667 // LIR_Op3 668 case lir_idiv: 669 case lir_irem: { 670 assert(op->as_Op3() != NULL, "must be"); 671 LIR_Op3* op3= (LIR_Op3*)op; 672 673 if (op3->_info) do_info(op3->_info); 674 if (op3->_opr1->is_valid()) do_input(op3->_opr1); 675 676 // second operand is input and temp, so ensure that second operand 677 // and third operand get not the same register 678 if (op3->_opr2->is_valid()) do_input(op3->_opr2); 679 if (op3->_opr2->is_valid()) do_temp(op3->_opr2); 680 if (op3->_opr3->is_valid()) do_temp(op3->_opr3); 681 682 if (op3->_result->is_valid()) do_output(op3->_result); 683 684 break; 685 } 686 687 688 // LIR_OpJavaCall 689 case lir_static_call: 690 case lir_optvirtual_call: 691 case lir_icvirtual_call: 692 case lir_virtual_call: 693 case lir_dynamic_call: { 694 LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall(); 695 assert(opJavaCall != NULL, "must be"); 696 697 if (opJavaCall->_receiver->is_valid()) do_input(opJavaCall->_receiver); 698 699 // only visit register parameters 700 int n = opJavaCall->_arguments->length(); 701 for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) { 702 if (!opJavaCall->_arguments->at(i)->is_pointer()) { 703 do_input(*opJavaCall->_arguments->adr_at(i)); 704 } 705 } 706 707 if (opJavaCall->_info) do_info(opJavaCall->_info); 708 if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr && 709 opJavaCall->is_method_handle_invoke()) { 710 opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr(); 711 do_temp(opJavaCall->_method_handle_invoke_SP_save_opr); 712 } 713 do_call(); 714 if (opJavaCall->_result->is_valid()) do_output(opJavaCall->_result); 715 716 break; 717 } 718 719 720 // LIR_OpRTCall 721 case lir_rtcall: { 722 assert(op->as_OpRTCall() != NULL, "must be"); 723 LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op; 724 725 // only visit register parameters 726 int n = opRTCall->_arguments->length(); 727 for (int i = 0; i < n; i++) { 728 if (!opRTCall->_arguments->at(i)->is_pointer()) { 729 do_input(*opRTCall->_arguments->adr_at(i)); 730 } 731 } 732 if (opRTCall->_info) do_info(opRTCall->_info); 733 if (opRTCall->_tmp->is_valid()) do_temp(opRTCall->_tmp); 734 do_call(); 735 if (opRTCall->_result->is_valid()) do_output(opRTCall->_result); 736 737 break; 738 } 739 740 741 // LIR_OpArrayCopy 742 case lir_arraycopy: { 743 assert(op->as_OpArrayCopy() != NULL, "must be"); 744 LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op; 745 746 assert(opArrayCopy->_result->is_illegal(), "unused"); 747 assert(opArrayCopy->_src->is_valid(), "used"); do_input(opArrayCopy->_src); do_temp(opArrayCopy->_src); 748 assert(opArrayCopy->_src_pos->is_valid(), "used"); do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos); 749 assert(opArrayCopy->_dst->is_valid(), "used"); do_input(opArrayCopy->_dst); do_temp(opArrayCopy->_dst); 750 assert(opArrayCopy->_dst_pos->is_valid(), "used"); do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos); 751 assert(opArrayCopy->_length->is_valid(), "used"); do_input(opArrayCopy->_length); do_temp(opArrayCopy->_length); 752 assert(opArrayCopy->_tmp->is_valid(), "used"); do_temp(opArrayCopy->_tmp); 753 if (opArrayCopy->_info) do_info(opArrayCopy->_info); 754 755 // the implementation of arraycopy always has a call into the runtime 756 do_call(); 757 758 break; 759 } 760 761 762 // LIR_OpUpdateCRC32 763 case lir_updatecrc32: { 764 assert(op->as_OpUpdateCRC32() != NULL, "must be"); 765 LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op; 766 767 assert(opUp->_crc->is_valid(), "used"); do_input(opUp->_crc); do_temp(opUp->_crc); 768 assert(opUp->_val->is_valid(), "used"); do_input(opUp->_val); do_temp(opUp->_val); 769 assert(opUp->_result->is_valid(), "used"); do_output(opUp->_result); 770 assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32"); 771 772 break; 773 } 774 775 776 // LIR_OpLock 777 case lir_lock: 778 case lir_unlock: { 779 assert(op->as_OpLock() != NULL, "must be"); 780 LIR_OpLock* opLock = (LIR_OpLock*)op; 781 782 if (opLock->_info) do_info(opLock->_info); 783 784 // TODO: check if these operands really have to be temp 785 // (or if input is sufficient). This may have influence on the oop map! 786 assert(opLock->_lock->is_valid(), "used"); do_temp(opLock->_lock); 787 assert(opLock->_hdr->is_valid(), "used"); do_temp(opLock->_hdr); 788 assert(opLock->_obj->is_valid(), "used"); do_temp(opLock->_obj); 789 790 if (opLock->_scratch->is_valid()) do_temp(opLock->_scratch); 791 assert(opLock->_result->is_illegal(), "unused"); 792 793 do_stub(opLock->_stub); 794 795 break; 796 } 797 798 799 // LIR_OpDelay 800 case lir_delay_slot: { 801 assert(op->as_OpDelay() != NULL, "must be"); 802 LIR_OpDelay* opDelay = (LIR_OpDelay*)op; 803 804 visit(opDelay->delay_op()); 805 break; 806 } 807 808 // LIR_OpTypeCheck 809 case lir_instanceof: 810 case lir_checkcast: 811 case lir_store_check: { 812 assert(op->as_OpTypeCheck() != NULL, "must be"); 813 LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op; 814 815 if (opTypeCheck->_info_for_exception) do_info(opTypeCheck->_info_for_exception); 816 if (opTypeCheck->_info_for_patch) do_info(opTypeCheck->_info_for_patch); 817 if (opTypeCheck->_object->is_valid()) do_input(opTypeCheck->_object); 818 if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) { 819 do_temp(opTypeCheck->_object); 820 } 821 if (opTypeCheck->_array->is_valid()) do_input(opTypeCheck->_array); 822 if (opTypeCheck->_tmp1->is_valid()) do_temp(opTypeCheck->_tmp1); 823 if (opTypeCheck->_tmp2->is_valid()) do_temp(opTypeCheck->_tmp2); 824 if (opTypeCheck->_tmp3->is_valid()) do_temp(opTypeCheck->_tmp3); 825 if (opTypeCheck->_result->is_valid()) do_output(opTypeCheck->_result); 826 do_stub(opTypeCheck->_stub); 827 break; 828 } 829 830 // LIR_OpCompareAndSwap 831 case lir_cas_long: 832 case lir_cas_obj: 833 case lir_cas_int: { 834 assert(op->as_OpCompareAndSwap() != NULL, "must be"); 835 LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op; 836 837 assert(opCompareAndSwap->_addr->is_valid(), "used"); 838 assert(opCompareAndSwap->_cmp_value->is_valid(), "used"); 839 assert(opCompareAndSwap->_new_value->is_valid(), "used"); 840 if (opCompareAndSwap->_info) do_info(opCompareAndSwap->_info); 841 do_input(opCompareAndSwap->_addr); 842 do_temp(opCompareAndSwap->_addr); 843 do_input(opCompareAndSwap->_cmp_value); 844 do_temp(opCompareAndSwap->_cmp_value); 845 do_input(opCompareAndSwap->_new_value); 846 do_temp(opCompareAndSwap->_new_value); 847 if (opCompareAndSwap->_tmp1->is_valid()) do_temp(opCompareAndSwap->_tmp1); 848 if (opCompareAndSwap->_tmp2->is_valid()) do_temp(opCompareAndSwap->_tmp2); 849 if (opCompareAndSwap->_result->is_valid()) do_output(opCompareAndSwap->_result); 850 851 break; 852 } 853 854 855 // LIR_OpAllocArray; 856 case lir_alloc_array: { 857 assert(op->as_OpAllocArray() != NULL, "must be"); 858 LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op; 859 860 if (opAllocArray->_info) do_info(opAllocArray->_info); 861 if (opAllocArray->_klass->is_valid()) do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass); 862 if (opAllocArray->_len->is_valid()) do_input(opAllocArray->_len); do_temp(opAllocArray->_len); 863 if (opAllocArray->_tmp1->is_valid()) do_temp(opAllocArray->_tmp1); 864 if (opAllocArray->_tmp2->is_valid()) do_temp(opAllocArray->_tmp2); 865 if (opAllocArray->_tmp3->is_valid()) do_temp(opAllocArray->_tmp3); 866 if (opAllocArray->_tmp4->is_valid()) do_temp(opAllocArray->_tmp4); 867 if (opAllocArray->_result->is_valid()) do_output(opAllocArray->_result); 868 do_stub(opAllocArray->_stub); 869 break; 870 } 871 872 // LIR_OpProfileCall: 873 case lir_profile_call: { 874 assert(op->as_OpProfileCall() != NULL, "must be"); 875 LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op; 876 877 if (opProfileCall->_recv->is_valid()) do_temp(opProfileCall->_recv); 878 assert(opProfileCall->_mdo->is_valid(), "used"); do_temp(opProfileCall->_mdo); 879 assert(opProfileCall->_tmp1->is_valid(), "used"); do_temp(opProfileCall->_tmp1); 880 break; 881 } 882 883 // LIR_OpProfileType: 884 case lir_profile_type: { 885 assert(op->as_OpProfileType() != NULL, "must be"); 886 LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op; 887 888 do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp); 889 do_input(opProfileType->_obj); 890 do_temp(opProfileType->_tmp); 891 break; 892 } 893 default: 894 ShouldNotReachHere(); 895 } 896 } 897 898 899 void LIR_OpVisitState::do_stub(CodeStub* stub) { 900 if (stub != NULL) { 901 stub->visit(this); 902 } 903 } 904 905 XHandlers* LIR_OpVisitState::all_xhandler() { 906 XHandlers* result = NULL; 907 908 int i; 909 for (i = 0; i < info_count(); i++) { 910 if (info_at(i)->exception_handlers() != NULL) { 911 result = info_at(i)->exception_handlers(); 912 break; 913 } 914 } 915 916 #ifdef ASSERT 917 for (i = 0; i < info_count(); i++) { 918 assert(info_at(i)->exception_handlers() == NULL || 919 info_at(i)->exception_handlers() == result, 920 "only one xhandler list allowed per LIR-operation"); 921 } 922 #endif 923 924 if (result != NULL) { 925 return result; 926 } else { 927 return new XHandlers(); 928 } 929 930 return result; 931 } 932 933 934 #ifdef ASSERT 935 bool LIR_OpVisitState::no_operands(LIR_Op* op) { 936 visit(op); 937 938 return opr_count(inputMode) == 0 && 939 opr_count(outputMode) == 0 && 940 opr_count(tempMode) == 0 && 941 info_count() == 0 && 942 !has_call() && 943 !has_slow_case(); 944 } 945 #endif 946 947 //--------------------------------------------------- 948 949 950 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) { 951 masm->emit_call(this); 952 } 953 954 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) { 955 masm->emit_rtcall(this); 956 } 957 958 void LIR_OpLabel::emit_code(LIR_Assembler* masm) { 959 masm->emit_opLabel(this); 960 } 961 962 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) { 963 masm->emit_arraycopy(this); 964 masm->append_code_stub(stub()); 965 } 966 967 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) { 968 masm->emit_updatecrc32(this); 969 } 970 971 void LIR_Op0::emit_code(LIR_Assembler* masm) { 972 masm->emit_op0(this); 973 } 974 975 void LIR_Op1::emit_code(LIR_Assembler* masm) { 976 masm->emit_op1(this); 977 } 978 979 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) { 980 masm->emit_alloc_obj(this); 981 masm->append_code_stub(stub()); 982 } 983 984 void LIR_OpBranch::emit_code(LIR_Assembler* masm) { 985 masm->emit_opBranch(this); 986 if (stub()) { 987 masm->append_code_stub(stub()); 988 } 989 } 990 991 void LIR_OpConvert::emit_code(LIR_Assembler* masm) { 992 masm->emit_opConvert(this); 993 if (stub() != NULL) { 994 masm->append_code_stub(stub()); 995 } 996 } 997 998 void LIR_Op2::emit_code(LIR_Assembler* masm) { 999 masm->emit_op2(this); 1000 } 1001 1002 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) { 1003 masm->emit_alloc_array(this); 1004 masm->append_code_stub(stub()); 1005 } 1006 1007 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) { 1008 masm->emit_opTypeCheck(this); 1009 if (stub()) { 1010 masm->append_code_stub(stub()); 1011 } 1012 } 1013 1014 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) { 1015 masm->emit_compare_and_swap(this); 1016 } 1017 1018 void LIR_Op3::emit_code(LIR_Assembler* masm) { 1019 masm->emit_op3(this); 1020 } 1021 1022 void LIR_OpLock::emit_code(LIR_Assembler* masm) { 1023 masm->emit_lock(this); 1024 if (stub()) { 1025 masm->append_code_stub(stub()); 1026 } 1027 } 1028 1029 #ifdef ASSERT 1030 void LIR_OpAssert::emit_code(LIR_Assembler* masm) { 1031 masm->emit_assert(this); 1032 } 1033 #endif 1034 1035 void LIR_OpDelay::emit_code(LIR_Assembler* masm) { 1036 masm->emit_delay(this); 1037 } 1038 1039 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) { 1040 masm->emit_profile_call(this); 1041 } 1042 1043 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) { 1044 masm->emit_profile_type(this); 1045 } 1046 1047 // LIR_List 1048 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block) 1049 : _operations(8) 1050 , _compilation(compilation) 1051 #ifndef PRODUCT 1052 , _block(block) 1053 #endif 1054 #ifdef ASSERT 1055 , _file(NULL) 1056 , _line(0) 1057 #endif 1058 { } 1059 1060 1061 #ifdef ASSERT 1062 void LIR_List::set_file_and_line(const char * file, int line) { 1063 const char * f = strrchr(file, '/'); 1064 if (f == NULL) f = strrchr(file, '\\'); 1065 if (f == NULL) { 1066 f = file; 1067 } else { 1068 f++; 1069 } 1070 _file = f; 1071 _line = line; 1072 } 1073 #endif 1074 1075 1076 void LIR_List::append(LIR_InsertionBuffer* buffer) { 1077 assert(this == buffer->lir_list(), "wrong lir list"); 1078 const int n = _operations.length(); 1079 1080 if (buffer->number_of_ops() > 0) { 1081 // increase size of instructions list 1082 _operations.at_grow(n + buffer->number_of_ops() - 1, NULL); 1083 // insert ops from buffer into instructions list 1084 int op_index = buffer->number_of_ops() - 1; 1085 int ip_index = buffer->number_of_insertion_points() - 1; 1086 int from_index = n - 1; 1087 int to_index = _operations.length() - 1; 1088 for (; ip_index >= 0; ip_index --) { 1089 int index = buffer->index_at(ip_index); 1090 // make room after insertion point 1091 while (index < from_index) { 1092 _operations.at_put(to_index --, _operations.at(from_index --)); 1093 } 1094 // insert ops from buffer 1095 for (int i = buffer->count_at(ip_index); i > 0; i --) { 1096 _operations.at_put(to_index --, buffer->op_at(op_index --)); 1097 } 1098 } 1099 } 1100 1101 buffer->finish(); 1102 } 1103 1104 1105 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) { 1106 assert(reg->type() == T_OBJECT, "bad reg"); 1107 append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o), reg, T_OBJECT, lir_patch_normal, info)); 1108 } 1109 1110 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) { 1111 assert(reg->type() == T_METADATA, "bad reg"); 1112 append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info)); 1113 } 1114 1115 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1116 append(new LIR_Op1( 1117 lir_move, 1118 LIR_OprFact::address(addr), 1119 src, 1120 addr->type(), 1121 patch_code, 1122 info)); 1123 } 1124 1125 1126 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1127 append(new LIR_Op1( 1128 lir_move, 1129 LIR_OprFact::address(address), 1130 dst, 1131 address->type(), 1132 patch_code, 1133 info, lir_move_volatile)); 1134 } 1135 1136 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1137 append(new LIR_Op1( 1138 lir_move, 1139 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1140 dst, 1141 type, 1142 patch_code, 1143 info, lir_move_volatile)); 1144 } 1145 1146 1147 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1148 append(new LIR_Op1( 1149 lir_move, 1150 LIR_OprFact::intConst(v), 1151 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1152 type, 1153 patch_code, 1154 info)); 1155 } 1156 1157 1158 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1159 append(new LIR_Op1( 1160 lir_move, 1161 LIR_OprFact::oopConst(o), 1162 LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)), 1163 type, 1164 patch_code, 1165 info)); 1166 } 1167 1168 1169 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1170 append(new LIR_Op1( 1171 lir_move, 1172 src, 1173 LIR_OprFact::address(addr), 1174 addr->type(), 1175 patch_code, 1176 info)); 1177 } 1178 1179 1180 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1181 append(new LIR_Op1( 1182 lir_move, 1183 src, 1184 LIR_OprFact::address(addr), 1185 addr->type(), 1186 patch_code, 1187 info, 1188 lir_move_volatile)); 1189 } 1190 1191 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) { 1192 append(new LIR_Op1( 1193 lir_move, 1194 src, 1195 LIR_OprFact::address(new LIR_Address(base, offset, type)), 1196 type, 1197 patch_code, 1198 info, lir_move_volatile)); 1199 } 1200 1201 1202 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1203 append(new LIR_Op3( 1204 lir_idiv, 1205 left, 1206 right, 1207 tmp, 1208 res, 1209 info)); 1210 } 1211 1212 1213 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1214 append(new LIR_Op3( 1215 lir_idiv, 1216 left, 1217 LIR_OprFact::intConst(right), 1218 tmp, 1219 res, 1220 info)); 1221 } 1222 1223 1224 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1225 append(new LIR_Op3( 1226 lir_irem, 1227 left, 1228 right, 1229 tmp, 1230 res, 1231 info)); 1232 } 1233 1234 1235 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) { 1236 append(new LIR_Op3( 1237 lir_irem, 1238 left, 1239 LIR_OprFact::intConst(right), 1240 tmp, 1241 res, 1242 info)); 1243 } 1244 1245 1246 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) { 1247 append(new LIR_Op2( 1248 lir_cmp, 1249 condition, 1250 LIR_OprFact::address(new LIR_Address(base, disp, T_INT)), 1251 LIR_OprFact::intConst(c), 1252 info)); 1253 } 1254 1255 1256 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) { 1257 append(new LIR_Op2( 1258 lir_cmp, 1259 condition, 1260 reg, 1261 LIR_OprFact::address(addr), 1262 info)); 1263 } 1264 1265 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4, 1266 int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) { 1267 append(new LIR_OpAllocObj( 1268 klass, 1269 dst, 1270 t1, 1271 t2, 1272 t3, 1273 t4, 1274 header_size, 1275 object_size, 1276 init_check, 1277 stub)); 1278 } 1279 1280 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) { 1281 append(new LIR_OpAllocArray( 1282 klass, 1283 len, 1284 dst, 1285 t1, 1286 t2, 1287 t3, 1288 t4, 1289 type, 1290 stub)); 1291 } 1292 1293 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1294 append(new LIR_Op2( 1295 lir_shl, 1296 value, 1297 count, 1298 dst, 1299 tmp)); 1300 } 1301 1302 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1303 append(new LIR_Op2( 1304 lir_shr, 1305 value, 1306 count, 1307 dst, 1308 tmp)); 1309 } 1310 1311 1312 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) { 1313 append(new LIR_Op2( 1314 lir_ushr, 1315 value, 1316 count, 1317 dst, 1318 tmp)); 1319 } 1320 1321 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) { 1322 append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i, 1323 left, 1324 right, 1325 dst)); 1326 } 1327 1328 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) { 1329 append(new LIR_OpLock( 1330 lir_lock, 1331 hdr, 1332 obj, 1333 lock, 1334 scratch, 1335 stub, 1336 info)); 1337 } 1338 1339 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) { 1340 append(new LIR_OpLock( 1341 lir_unlock, 1342 hdr, 1343 obj, 1344 lock, 1345 scratch, 1346 stub, 1347 NULL)); 1348 } 1349 1350 1351 void check_LIR() { 1352 // cannot do the proper checking as PRODUCT and other modes return different results 1353 // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table"); 1354 } 1355 1356 1357 1358 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass, 1359 LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check, 1360 CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub, 1361 ciMethod* profiled_method, int profiled_bci) { 1362 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass, 1363 tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub); 1364 if (profiled_method != NULL) { 1365 c->set_profiled_method(profiled_method); 1366 c->set_profiled_bci(profiled_bci); 1367 c->set_should_profile(true); 1368 } 1369 append(c); 1370 } 1371 1372 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) { 1373 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL); 1374 if (profiled_method != NULL) { 1375 c->set_profiled_method(profiled_method); 1376 c->set_profiled_bci(profiled_bci); 1377 c->set_should_profile(true); 1378 } 1379 append(c); 1380 } 1381 1382 1383 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, 1384 CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) { 1385 LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception); 1386 if (profiled_method != NULL) { 1387 c->set_profiled_method(profiled_method); 1388 c->set_profiled_bci(profiled_bci); 1389 c->set_should_profile(true); 1390 } 1391 append(c); 1392 } 1393 1394 1395 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1396 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1397 append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result)); 1398 } 1399 1400 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1401 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1402 append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result)); 1403 } 1404 1405 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value, 1406 LIR_Opr t1, LIR_Opr t2, LIR_Opr result) { 1407 append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result)); 1408 } 1409 1410 1411 #ifdef PRODUCT 1412 1413 void print_LIR(BlockList* blocks) { 1414 } 1415 1416 #else 1417 // LIR_OprDesc 1418 void LIR_OprDesc::print() const { 1419 print(tty); 1420 } 1421 1422 void LIR_OprDesc::print(outputStream* out) const { 1423 if (is_illegal()) { 1424 return; 1425 } 1426 1427 out->print("["); 1428 if (is_pointer()) { 1429 pointer()->print_value_on(out); 1430 } else if (is_single_stack()) { 1431 out->print("stack:%d", single_stack_ix()); 1432 } else if (is_double_stack()) { 1433 out->print("dbl_stack:%d",double_stack_ix()); 1434 } else if (is_virtual()) { 1435 out->print("R%d", vreg_number()); 1436 } else if (is_single_cpu()) { 1437 out->print("%s", as_register()->name()); 1438 } else if (is_double_cpu()) { 1439 out->print("%s", as_register_hi()->name()); 1440 out->print("%s", as_register_lo()->name()); 1441 #if defined(X86) 1442 } else if (is_single_xmm()) { 1443 out->print("%s", as_xmm_float_reg()->name()); 1444 } else if (is_double_xmm()) { 1445 out->print("%s", as_xmm_double_reg()->name()); 1446 } else if (is_single_fpu()) { 1447 out->print("fpu%d", fpu_regnr()); 1448 } else if (is_double_fpu()) { 1449 out->print("fpu%d", fpu_regnrLo()); 1450 #elif defined(AARCH64) 1451 } else if (is_single_fpu()) { 1452 out->print("fpu%d", fpu_regnr()); 1453 } else if (is_double_fpu()) { 1454 out->print("fpu%d", fpu_regnrLo()); 1455 #elif defined(ARM) 1456 } else if (is_single_fpu()) { 1457 out->print("s%d", fpu_regnr()); 1458 } else if (is_double_fpu()) { 1459 out->print("d%d", fpu_regnrLo() >> 1); 1460 #else 1461 } else if (is_single_fpu()) { 1462 out->print("%s", as_float_reg()->name()); 1463 } else if (is_double_fpu()) { 1464 out->print("%s", as_double_reg()->name()); 1465 #endif 1466 1467 } else if (is_illegal()) { 1468 out->print("-"); 1469 } else { 1470 out->print("Unknown Operand"); 1471 } 1472 if (!is_illegal()) { 1473 out->print("|%c", type_char()); 1474 } 1475 if (is_register() && is_last_use()) { 1476 out->print("(last_use)"); 1477 } 1478 out->print("]"); 1479 } 1480 1481 1482 // LIR_Address 1483 void LIR_Const::print_value_on(outputStream* out) const { 1484 switch (type()) { 1485 case T_ADDRESS:out->print("address:%d",as_jint()); break; 1486 case T_INT: out->print("int:%d", as_jint()); break; 1487 case T_LONG: out->print("lng:" JLONG_FORMAT, as_jlong()); break; 1488 case T_FLOAT: out->print("flt:%f", as_jfloat()); break; 1489 case T_DOUBLE: out->print("dbl:%f", as_jdouble()); break; 1490 case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject())); break; 1491 case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break; 1492 default: out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break; 1493 } 1494 } 1495 1496 // LIR_Address 1497 void LIR_Address::print_value_on(outputStream* out) const { 1498 out->print("Base:"); _base->print(out); 1499 if (!_index->is_illegal()) { 1500 out->print(" Index:"); _index->print(out); 1501 switch (scale()) { 1502 case times_1: break; 1503 case times_2: out->print(" * 2"); break; 1504 case times_4: out->print(" * 4"); break; 1505 case times_8: out->print(" * 8"); break; 1506 } 1507 } 1508 out->print(" Disp: " INTX_FORMAT, _disp); 1509 } 1510 1511 // debug output of block header without InstructionPrinter 1512 // (because phi functions are not necessary for LIR) 1513 static void print_block(BlockBegin* x) { 1514 // print block id 1515 BlockEnd* end = x->end(); 1516 tty->print("B%d ", x->block_id()); 1517 1518 // print flags 1519 if (x->is_set(BlockBegin::std_entry_flag)) tty->print("std "); 1520 if (x->is_set(BlockBegin::osr_entry_flag)) tty->print("osr "); 1521 if (x->is_set(BlockBegin::exception_entry_flag)) tty->print("ex "); 1522 if (x->is_set(BlockBegin::subroutine_entry_flag)) tty->print("jsr "); 1523 if (x->is_set(BlockBegin::backward_branch_target_flag)) tty->print("bb "); 1524 if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh "); 1525 if (x->is_set(BlockBegin::linear_scan_loop_end_flag)) tty->print("le "); 1526 1527 // print block bci range 1528 tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci())); 1529 1530 // print predecessors and successors 1531 if (x->number_of_preds() > 0) { 1532 tty->print("preds: "); 1533 for (int i = 0; i < x->number_of_preds(); i ++) { 1534 tty->print("B%d ", x->pred_at(i)->block_id()); 1535 } 1536 } 1537 1538 if (x->number_of_sux() > 0) { 1539 tty->print("sux: "); 1540 for (int i = 0; i < x->number_of_sux(); i ++) { 1541 tty->print("B%d ", x->sux_at(i)->block_id()); 1542 } 1543 } 1544 1545 // print exception handlers 1546 if (x->number_of_exception_handlers() > 0) { 1547 tty->print("xhandler: "); 1548 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 1549 tty->print("B%d ", x->exception_handler_at(i)->block_id()); 1550 } 1551 } 1552 1553 tty->cr(); 1554 } 1555 1556 void print_LIR(BlockList* blocks) { 1557 tty->print_cr("LIR:"); 1558 int i; 1559 for (i = 0; i < blocks->length(); i++) { 1560 BlockBegin* bb = blocks->at(i); 1561 print_block(bb); 1562 tty->print("__id_Instruction___________________________________________"); tty->cr(); 1563 bb->lir()->print_instructions(); 1564 } 1565 } 1566 1567 void LIR_List::print_instructions() { 1568 for (int i = 0; i < _operations.length(); i++) { 1569 _operations.at(i)->print(); tty->cr(); 1570 } 1571 tty->cr(); 1572 } 1573 1574 // LIR_Ops printing routines 1575 // LIR_Op 1576 void LIR_Op::print_on(outputStream* out) const { 1577 if (id() != -1 || PrintCFGToFile) { 1578 out->print("%4d ", id()); 1579 } else { 1580 out->print(" "); 1581 } 1582 out->print("%s ", name()); 1583 print_instr(out); 1584 if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci()); 1585 #ifdef ASSERT 1586 if (Verbose && _file != NULL) { 1587 out->print(" (%s:%d)", _file, _line); 1588 } 1589 #endif 1590 } 1591 1592 const char * LIR_Op::name() const { 1593 const char* s = NULL; 1594 switch(code()) { 1595 // LIR_Op0 1596 case lir_membar: s = "membar"; break; 1597 case lir_membar_acquire: s = "membar_acquire"; break; 1598 case lir_membar_release: s = "membar_release"; break; 1599 case lir_membar_loadload: s = "membar_loadload"; break; 1600 case lir_membar_storestore: s = "membar_storestore"; break; 1601 case lir_membar_loadstore: s = "membar_loadstore"; break; 1602 case lir_membar_storeload: s = "membar_storeload"; break; 1603 case lir_word_align: s = "word_align"; break; 1604 case lir_label: s = "label"; break; 1605 case lir_nop: s = "nop"; break; 1606 case lir_on_spin_wait: s = "on_spin_wait"; break; 1607 case lir_backwardbranch_target: s = "backbranch"; break; 1608 case lir_std_entry: s = "std_entry"; break; 1609 case lir_osr_entry: s = "osr_entry"; break; 1610 case lir_build_frame: s = "build_frm"; break; 1611 case lir_fpop_raw: s = "fpop_raw"; break; 1612 case lir_24bit_FPU: s = "24bit_FPU"; break; 1613 case lir_reset_FPU: s = "reset_FPU"; break; 1614 case lir_breakpoint: s = "breakpoint"; break; 1615 case lir_get_thread: s = "get_thread"; break; 1616 // LIR_Op1 1617 case lir_fxch: s = "fxch"; break; 1618 case lir_fld: s = "fld"; break; 1619 case lir_ffree: s = "ffree"; break; 1620 case lir_push: s = "push"; break; 1621 case lir_pop: s = "pop"; break; 1622 case lir_null_check: s = "null_check"; break; 1623 case lir_return: s = "return"; break; 1624 case lir_safepoint: s = "safepoint"; break; 1625 case lir_neg: s = "neg"; break; 1626 case lir_leal: s = "leal"; break; 1627 case lir_branch: s = "branch"; break; 1628 case lir_cond_float_branch: s = "flt_cond_br"; break; 1629 case lir_move: s = "move"; break; 1630 case lir_roundfp: s = "roundfp"; break; 1631 case lir_rtcall: s = "rtcall"; break; 1632 case lir_throw: s = "throw"; break; 1633 case lir_unwind: s = "unwind"; break; 1634 case lir_convert: s = "convert"; break; 1635 case lir_alloc_object: s = "alloc_obj"; break; 1636 case lir_monaddr: s = "mon_addr"; break; 1637 case lir_pack64: s = "pack64"; break; 1638 case lir_unpack64: s = "unpack64"; break; 1639 // LIR_Op2 1640 case lir_cmp: s = "cmp"; break; 1641 case lir_cmp_l2i: s = "cmp_l2i"; break; 1642 case lir_ucmp_fd2i: s = "ucomp_fd2i"; break; 1643 case lir_cmp_fd2i: s = "comp_fd2i"; break; 1644 case lir_cmove: s = "cmove"; break; 1645 case lir_add: s = "add"; break; 1646 case lir_sub: s = "sub"; break; 1647 case lir_mul: s = "mul"; break; 1648 case lir_mul_strictfp: s = "mul_strictfp"; break; 1649 case lir_div: s = "div"; break; 1650 case lir_div_strictfp: s = "div_strictfp"; break; 1651 case lir_rem: s = "rem"; break; 1652 case lir_abs: s = "abs"; break; 1653 case lir_sqrt: s = "sqrt"; break; 1654 case lir_logic_and: s = "logic_and"; break; 1655 case lir_logic_or: s = "logic_or"; break; 1656 case lir_logic_xor: s = "logic_xor"; break; 1657 case lir_shl: s = "shift_left"; break; 1658 case lir_shr: s = "shift_right"; break; 1659 case lir_ushr: s = "ushift_right"; break; 1660 case lir_alloc_array: s = "alloc_array"; break; 1661 case lir_xadd: s = "xadd"; break; 1662 case lir_xchg: s = "xchg"; break; 1663 // LIR_Op3 1664 case lir_idiv: s = "idiv"; break; 1665 case lir_irem: s = "irem"; break; 1666 // LIR_OpJavaCall 1667 case lir_static_call: s = "static"; break; 1668 case lir_optvirtual_call: s = "optvirtual"; break; 1669 case lir_icvirtual_call: s = "icvirtual"; break; 1670 case lir_virtual_call: s = "virtual"; break; 1671 case lir_dynamic_call: s = "dynamic"; break; 1672 // LIR_OpArrayCopy 1673 case lir_arraycopy: s = "arraycopy"; break; 1674 // LIR_OpUpdateCRC32 1675 case lir_updatecrc32: s = "updatecrc32"; break; 1676 // LIR_OpLock 1677 case lir_lock: s = "lock"; break; 1678 case lir_unlock: s = "unlock"; break; 1679 // LIR_OpDelay 1680 case lir_delay_slot: s = "delay"; break; 1681 // LIR_OpTypeCheck 1682 case lir_instanceof: s = "instanceof"; break; 1683 case lir_checkcast: s = "checkcast"; break; 1684 case lir_store_check: s = "store_check"; break; 1685 // LIR_OpCompareAndSwap 1686 case lir_cas_long: s = "cas_long"; break; 1687 case lir_cas_obj: s = "cas_obj"; break; 1688 case lir_cas_int: s = "cas_int"; break; 1689 // LIR_OpProfileCall 1690 case lir_profile_call: s = "profile_call"; break; 1691 // LIR_OpProfileType 1692 case lir_profile_type: s = "profile_type"; break; 1693 // LIR_OpAssert 1694 #ifdef ASSERT 1695 case lir_assert: s = "assert"; break; 1696 #endif 1697 case lir_none: ShouldNotReachHere();break; 1698 default: s = "illegal_op"; break; 1699 } 1700 return s; 1701 } 1702 1703 // LIR_OpJavaCall 1704 void LIR_OpJavaCall::print_instr(outputStream* out) const { 1705 out->print("call: "); 1706 out->print("[addr: " INTPTR_FORMAT "]", p2i(address())); 1707 if (receiver()->is_valid()) { 1708 out->print(" [recv: "); receiver()->print(out); out->print("]"); 1709 } 1710 if (result_opr()->is_valid()) { 1711 out->print(" [result: "); result_opr()->print(out); out->print("]"); 1712 } 1713 } 1714 1715 // LIR_OpLabel 1716 void LIR_OpLabel::print_instr(outputStream* out) const { 1717 out->print("[label:" INTPTR_FORMAT "]", p2i(_label)); 1718 } 1719 1720 // LIR_OpArrayCopy 1721 void LIR_OpArrayCopy::print_instr(outputStream* out) const { 1722 src()->print(out); out->print(" "); 1723 src_pos()->print(out); out->print(" "); 1724 dst()->print(out); out->print(" "); 1725 dst_pos()->print(out); out->print(" "); 1726 length()->print(out); out->print(" "); 1727 tmp()->print(out); out->print(" "); 1728 } 1729 1730 // LIR_OpUpdateCRC32 1731 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const { 1732 crc()->print(out); out->print(" "); 1733 val()->print(out); out->print(" "); 1734 result_opr()->print(out); out->print(" "); 1735 } 1736 1737 // LIR_OpCompareAndSwap 1738 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const { 1739 addr()->print(out); out->print(" "); 1740 cmp_value()->print(out); out->print(" "); 1741 new_value()->print(out); out->print(" "); 1742 tmp1()->print(out); out->print(" "); 1743 tmp2()->print(out); out->print(" "); 1744 1745 } 1746 1747 // LIR_Op0 1748 void LIR_Op0::print_instr(outputStream* out) const { 1749 result_opr()->print(out); 1750 } 1751 1752 // LIR_Op1 1753 const char * LIR_Op1::name() const { 1754 if (code() == lir_move) { 1755 switch (move_kind()) { 1756 case lir_move_normal: 1757 return "move"; 1758 case lir_move_unaligned: 1759 return "unaligned move"; 1760 case lir_move_volatile: 1761 return "volatile_move"; 1762 case lir_move_wide: 1763 return "wide_move"; 1764 default: 1765 ShouldNotReachHere(); 1766 return "illegal_op"; 1767 } 1768 } else { 1769 return LIR_Op::name(); 1770 } 1771 } 1772 1773 1774 void LIR_Op1::print_instr(outputStream* out) const { 1775 _opr->print(out); out->print(" "); 1776 result_opr()->print(out); out->print(" "); 1777 print_patch_code(out, patch_code()); 1778 } 1779 1780 1781 // LIR_Op1 1782 void LIR_OpRTCall::print_instr(outputStream* out) const { 1783 intx a = (intx)addr(); 1784 out->print("%s", Runtime1::name_for_address(addr())); 1785 out->print(" "); 1786 tmp()->print(out); 1787 } 1788 1789 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) { 1790 switch(code) { 1791 case lir_patch_none: break; 1792 case lir_patch_low: out->print("[patch_low]"); break; 1793 case lir_patch_high: out->print("[patch_high]"); break; 1794 case lir_patch_normal: out->print("[patch_normal]"); break; 1795 default: ShouldNotReachHere(); 1796 } 1797 } 1798 1799 // LIR_OpBranch 1800 void LIR_OpBranch::print_instr(outputStream* out) const { 1801 print_condition(out, cond()); out->print(" "); 1802 if (block() != NULL) { 1803 out->print("[B%d] ", block()->block_id()); 1804 } else if (stub() != NULL) { 1805 out->print("["); 1806 stub()->print_name(out); 1807 out->print(": " INTPTR_FORMAT "]", p2i(stub())); 1808 if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci()); 1809 } else { 1810 out->print("[label:" INTPTR_FORMAT "] ", p2i(label())); 1811 } 1812 if (ublock() != NULL) { 1813 out->print("unordered: [B%d] ", ublock()->block_id()); 1814 } 1815 } 1816 1817 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) { 1818 switch(cond) { 1819 case lir_cond_equal: out->print("[EQ]"); break; 1820 case lir_cond_notEqual: out->print("[NE]"); break; 1821 case lir_cond_less: out->print("[LT]"); break; 1822 case lir_cond_lessEqual: out->print("[LE]"); break; 1823 case lir_cond_greaterEqual: out->print("[GE]"); break; 1824 case lir_cond_greater: out->print("[GT]"); break; 1825 case lir_cond_belowEqual: out->print("[BE]"); break; 1826 case lir_cond_aboveEqual: out->print("[AE]"); break; 1827 case lir_cond_always: out->print("[AL]"); break; 1828 default: out->print("[%d]",cond); break; 1829 } 1830 } 1831 1832 // LIR_OpConvert 1833 void LIR_OpConvert::print_instr(outputStream* out) const { 1834 print_bytecode(out, bytecode()); 1835 in_opr()->print(out); out->print(" "); 1836 result_opr()->print(out); out->print(" "); 1837 #ifdef PPC32 1838 if(tmp1()->is_valid()) { 1839 tmp1()->print(out); out->print(" "); 1840 tmp2()->print(out); out->print(" "); 1841 } 1842 #endif 1843 } 1844 1845 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) { 1846 switch(code) { 1847 case Bytecodes::_d2f: out->print("[d2f] "); break; 1848 case Bytecodes::_d2i: out->print("[d2i] "); break; 1849 case Bytecodes::_d2l: out->print("[d2l] "); break; 1850 case Bytecodes::_f2d: out->print("[f2d] "); break; 1851 case Bytecodes::_f2i: out->print("[f2i] "); break; 1852 case Bytecodes::_f2l: out->print("[f2l] "); break; 1853 case Bytecodes::_i2b: out->print("[i2b] "); break; 1854 case Bytecodes::_i2c: out->print("[i2c] "); break; 1855 case Bytecodes::_i2d: out->print("[i2d] "); break; 1856 case Bytecodes::_i2f: out->print("[i2f] "); break; 1857 case Bytecodes::_i2l: out->print("[i2l] "); break; 1858 case Bytecodes::_i2s: out->print("[i2s] "); break; 1859 case Bytecodes::_l2i: out->print("[l2i] "); break; 1860 case Bytecodes::_l2f: out->print("[l2f] "); break; 1861 case Bytecodes::_l2d: out->print("[l2d] "); break; 1862 default: 1863 out->print("[?%d]",code); 1864 break; 1865 } 1866 } 1867 1868 void LIR_OpAllocObj::print_instr(outputStream* out) const { 1869 klass()->print(out); out->print(" "); 1870 obj()->print(out); out->print(" "); 1871 tmp1()->print(out); out->print(" "); 1872 tmp2()->print(out); out->print(" "); 1873 tmp3()->print(out); out->print(" "); 1874 tmp4()->print(out); out->print(" "); 1875 out->print("[hdr:%d]", header_size()); out->print(" "); 1876 out->print("[obj:%d]", object_size()); out->print(" "); 1877 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1878 } 1879 1880 void LIR_OpRoundFP::print_instr(outputStream* out) const { 1881 _opr->print(out); out->print(" "); 1882 tmp()->print(out); out->print(" "); 1883 result_opr()->print(out); out->print(" "); 1884 } 1885 1886 // LIR_Op2 1887 void LIR_Op2::print_instr(outputStream* out) const { 1888 if (code() == lir_cmove || code() == lir_cmp) { 1889 print_condition(out, condition()); out->print(" "); 1890 } 1891 in_opr1()->print(out); out->print(" "); 1892 in_opr2()->print(out); out->print(" "); 1893 if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out); out->print(" "); } 1894 if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out); out->print(" "); } 1895 if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out); out->print(" "); } 1896 if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out); out->print(" "); } 1897 if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out); out->print(" "); } 1898 result_opr()->print(out); 1899 } 1900 1901 void LIR_OpAllocArray::print_instr(outputStream* out) const { 1902 klass()->print(out); out->print(" "); 1903 len()->print(out); out->print(" "); 1904 obj()->print(out); out->print(" "); 1905 tmp1()->print(out); out->print(" "); 1906 tmp2()->print(out); out->print(" "); 1907 tmp3()->print(out); out->print(" "); 1908 tmp4()->print(out); out->print(" "); 1909 out->print("[type:0x%x]", type()); out->print(" "); 1910 out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1911 } 1912 1913 1914 void LIR_OpTypeCheck::print_instr(outputStream* out) const { 1915 object()->print(out); out->print(" "); 1916 if (code() == lir_store_check) { 1917 array()->print(out); out->print(" "); 1918 } 1919 if (code() != lir_store_check) { 1920 klass()->print_name_on(out); out->print(" "); 1921 if (fast_check()) out->print("fast_check "); 1922 } 1923 tmp1()->print(out); out->print(" "); 1924 tmp2()->print(out); out->print(" "); 1925 tmp3()->print(out); out->print(" "); 1926 result_opr()->print(out); out->print(" "); 1927 if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci()); 1928 } 1929 1930 1931 // LIR_Op3 1932 void LIR_Op3::print_instr(outputStream* out) const { 1933 in_opr1()->print(out); out->print(" "); 1934 in_opr2()->print(out); out->print(" "); 1935 in_opr3()->print(out); out->print(" "); 1936 result_opr()->print(out); 1937 } 1938 1939 1940 void LIR_OpLock::print_instr(outputStream* out) const { 1941 hdr_opr()->print(out); out->print(" "); 1942 obj_opr()->print(out); out->print(" "); 1943 lock_opr()->print(out); out->print(" "); 1944 if (_scratch->is_valid()) { 1945 _scratch->print(out); out->print(" "); 1946 } 1947 out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry())); 1948 } 1949 1950 #ifdef ASSERT 1951 void LIR_OpAssert::print_instr(outputStream* out) const { 1952 print_condition(out, condition()); out->print(" "); 1953 in_opr1()->print(out); out->print(" "); 1954 in_opr2()->print(out); out->print(", \""); 1955 out->print("%s", msg()); out->print("\""); 1956 } 1957 #endif 1958 1959 1960 void LIR_OpDelay::print_instr(outputStream* out) const { 1961 _op->print_on(out); 1962 } 1963 1964 1965 // LIR_OpProfileCall 1966 void LIR_OpProfileCall::print_instr(outputStream* out) const { 1967 profiled_method()->name()->print_symbol_on(out); 1968 out->print("."); 1969 profiled_method()->holder()->name()->print_symbol_on(out); 1970 out->print(" @ %d ", profiled_bci()); 1971 mdo()->print(out); out->print(" "); 1972 recv()->print(out); out->print(" "); 1973 tmp1()->print(out); out->print(" "); 1974 } 1975 1976 // LIR_OpProfileType 1977 void LIR_OpProfileType::print_instr(outputStream* out) const { 1978 out->print("exact = "); 1979 if (exact_klass() == NULL) { 1980 out->print("unknown"); 1981 } else { 1982 exact_klass()->print_name_on(out); 1983 } 1984 out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass()); 1985 out->print(" "); 1986 mdp()->print(out); out->print(" "); 1987 obj()->print(out); out->print(" "); 1988 tmp()->print(out); out->print(" "); 1989 } 1990 1991 #endif // PRODUCT 1992 1993 // Implementation of LIR_InsertionBuffer 1994 1995 void LIR_InsertionBuffer::append(int index, LIR_Op* op) { 1996 assert(_index_and_count.length() % 2 == 0, "must have a count for each index"); 1997 1998 int i = number_of_insertion_points() - 1; 1999 if (i < 0 || index_at(i) < index) { 2000 append_new(index, 1); 2001 } else { 2002 assert(index_at(i) == index, "can append LIR_Ops in ascending order only"); 2003 assert(count_at(i) > 0, "check"); 2004 set_count_at(i, count_at(i) + 1); 2005 } 2006 _ops.push(op); 2007 2008 DEBUG_ONLY(verify()); 2009 } 2010 2011 #ifdef ASSERT 2012 void LIR_InsertionBuffer::verify() { 2013 int sum = 0; 2014 int prev_idx = -1; 2015 2016 for (int i = 0; i < number_of_insertion_points(); i++) { 2017 assert(prev_idx < index_at(i), "index must be ordered ascending"); 2018 sum += count_at(i); 2019 } 2020 assert(sum == number_of_ops(), "wrong total sum"); 2021 } 2022 #endif