1 /* 2 * Copyright (c) 1999, 2013, 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_ValueStack.hpp" 28 #include "ci/ciArray.hpp" 29 #include "ci/ciInstance.hpp" 30 #include "ci/ciObject.hpp" 31 32 33 #ifndef PRODUCT 34 35 const char* InstructionPrinter::basic_type_name(BasicType type) { 36 switch (type) { 37 case T_BOOLEAN: return "boolean"; 38 case T_BYTE : return "byte"; 39 case T_CHAR : return "char"; 40 case T_SHORT : return "short"; 41 case T_INT : return "int"; 42 case T_LONG : return "long"; 43 case T_FLOAT : return "float"; 44 case T_DOUBLE : return "double"; 45 case T_ARRAY : return "array"; 46 case T_OBJECT : return "object"; 47 default : return "???"; 48 } 49 } 50 51 52 const char* InstructionPrinter::cond_name(If::Condition cond) { 53 switch (cond) { 54 case If::eql: return "=="; 55 case If::neq: return "!="; 56 case If::lss: return "<"; 57 case If::leq: return "<="; 58 case If::gtr: return ">"; 59 case If::geq: return ">="; 60 } 61 ShouldNotReachHere(); 62 return NULL; 63 } 64 65 66 const char* InstructionPrinter::op_name(Bytecodes::Code op) { 67 switch (op) { 68 // arithmetic ops 69 case Bytecodes::_iadd : // fall through 70 case Bytecodes::_ladd : // fall through 71 case Bytecodes::_fadd : // fall through 72 case Bytecodes::_dadd : return "+"; 73 case Bytecodes::_isub : // fall through 74 case Bytecodes::_lsub : // fall through 75 case Bytecodes::_fsub : // fall through 76 case Bytecodes::_dsub : return "-"; 77 case Bytecodes::_imul : // fall through 78 case Bytecodes::_lmul : // fall through 79 case Bytecodes::_fmul : // fall through 80 case Bytecodes::_dmul : return "*"; 81 case Bytecodes::_idiv : // fall through 82 case Bytecodes::_ldiv : // fall through 83 case Bytecodes::_fdiv : // fall through 84 case Bytecodes::_ddiv : return "/"; 85 case Bytecodes::_irem : // fall through 86 case Bytecodes::_lrem : // fall through 87 case Bytecodes::_frem : // fall through 88 case Bytecodes::_drem : return "%"; 89 // shift ops 90 case Bytecodes::_ishl : // fall through 91 case Bytecodes::_lshl : return "<<"; 92 case Bytecodes::_ishr : // fall through 93 case Bytecodes::_lshr : return ">>"; 94 case Bytecodes::_iushr: // fall through 95 case Bytecodes::_lushr: return ">>>"; 96 // logic ops 97 case Bytecodes::_iand : // fall through 98 case Bytecodes::_land : return "&"; 99 case Bytecodes::_ior : // fall through 100 case Bytecodes::_lor : return "|"; 101 case Bytecodes::_ixor : // fall through 102 case Bytecodes::_lxor : return "^"; 103 } 104 return Bytecodes::name(op); 105 } 106 107 108 bool InstructionPrinter::is_illegal_phi(Value v) { 109 Phi* phi = v ? v->as_Phi() : NULL; 110 if (phi && phi->is_illegal()) { 111 return true; 112 } 113 return false; 114 } 115 116 117 bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) { 118 Phi* phi = v ? v->as_Phi() : NULL; 119 return phi && phi->block() == b; 120 } 121 122 123 void InstructionPrinter::print_klass(ciKlass* klass) { 124 klass->name()->print_symbol_on(output()); 125 } 126 127 128 void InstructionPrinter::print_object(Value obj) { 129 ValueType* type = obj->type(); 130 if (type->as_ObjectConstant() != NULL) { 131 ciObject* value = type->as_ObjectConstant()->value(); 132 if (value->is_null_object()) { 133 output()->print("null"); 134 } else if (!value->is_loaded()) { 135 output()->print("<unloaded object " PTR_FORMAT ">", value); 136 } else { 137 output()->print("<object " PTR_FORMAT " klass=", value->constant_encoding()); 138 print_klass(value->klass()); 139 output()->print(">"); 140 } 141 } else if (type->as_InstanceConstant() != NULL) { 142 ciInstance* value = type->as_InstanceConstant()->value(); 143 if (value->is_loaded()) { 144 output()->print("<instance " PTR_FORMAT " klass=", value->constant_encoding()); 145 print_klass(value->klass()); 146 output()->print(">"); 147 } else { 148 output()->print("<unloaded instance " PTR_FORMAT ">", value); 149 } 150 } else if (type->as_ArrayConstant() != NULL) { 151 output()->print("<array " PTR_FORMAT ">", type->as_ArrayConstant()->value()->constant_encoding()); 152 } else if (type->as_ClassConstant() != NULL) { 153 ciInstanceKlass* klass = type->as_ClassConstant()->value(); 154 if (!klass->is_loaded()) { 155 output()->print("<unloaded> "); 156 } 157 output()->print("class "); 158 print_klass(klass); 159 } else if (type->as_MethodConstant() != NULL) { 160 ciMethod* m = type->as_MethodConstant()->value(); 161 output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8()); 162 } else { 163 output()->print("???"); 164 } 165 } 166 167 168 void InstructionPrinter::print_temp(Value value) { 169 output()->print("%c%d", value->type()->tchar(), value->id()); 170 } 171 172 173 void InstructionPrinter::print_field(AccessField* field) { 174 print_value(field->obj()); 175 output()->print("._%d", field->offset()); 176 } 177 178 179 void InstructionPrinter::print_indexed(AccessIndexed* indexed) { 180 print_value(indexed->array()); 181 output()->put('['); 182 print_value(indexed->index()); 183 output()->put(']'); 184 } 185 186 187 void InstructionPrinter::print_monitor(AccessMonitor* monitor) { 188 output()->print("monitor[%d](", monitor->monitor_no()); 189 print_value(monitor->obj()); 190 output()->put(')'); 191 } 192 193 194 void InstructionPrinter::print_op2(Op2* instr) { 195 print_value(instr->x()); 196 output()->print(" %s ", op_name(instr->op())); 197 print_value(instr->y()); 198 } 199 200 201 void InstructionPrinter::print_value(Value value) { 202 if (value == NULL) { 203 output()->print("NULL"); 204 } else { 205 print_temp(value); 206 } 207 } 208 209 210 void InstructionPrinter::print_instr(Instruction* instr) { 211 instr->visit(this); 212 } 213 214 215 void InstructionPrinter::print_stack(ValueStack* stack) { 216 int start_position = output()->position(); 217 if (stack->stack_is_empty()) { 218 output()->print("empty stack"); 219 } else { 220 output()->print("stack ["); 221 for (int i = 0; i < stack->stack_size();) { 222 if (i > 0) output()->print(", "); 223 output()->print("%d:", i); 224 Value value = stack->stack_at_inc(i); 225 print_value(value); 226 Phi* phi = value->as_Phi(); 227 if (phi != NULL) { 228 if (phi->operand()->is_valid()) { 229 output()->print(" "); 230 phi->operand()->print(output()); 231 } 232 } 233 } 234 output()->put(']'); 235 } 236 if (!stack->no_active_locks()) { 237 // print out the lines on the line below this 238 // one at the same indentation level. 239 output()->cr(); 240 fill_to(start_position, ' '); 241 output()->print("locks ["); 242 for (int i = i = 0; i < stack->locks_size(); i++) { 243 Value t = stack->lock_at(i); 244 if (i > 0) output()->print(", "); 245 output()->print("%d:", i); 246 if (t == NULL) { 247 // synchronized methods push null on the lock stack 248 output()->print("this"); 249 } else { 250 print_value(t); 251 } 252 } 253 output()->print("]"); 254 } 255 } 256 257 258 void InstructionPrinter::print_inline_level(BlockBegin* block) { 259 output()->print_cr("inlining depth %d", block->scope()->level()); 260 } 261 262 263 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) { 264 output()->print(name); 265 output()->print(".("); 266 } 267 268 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) { 269 print_unsafe_op(op, name); 270 output()->print("base "); 271 print_value(op->base()); 272 if (op->has_index()) { 273 output()->print(", index "); print_value(op->index()); 274 output()->print(", log2_scale %d", op->log2_scale()); 275 } 276 } 277 278 279 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) { 280 print_unsafe_op(op, name); 281 print_value(op->object()); 282 output()->print(", "); 283 print_value(op->offset()); 284 } 285 286 287 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) { 288 Phi* phi = v->as_Phi(); 289 output()->print("%2d ", i); 290 print_value(v); 291 // print phi operands 292 if (phi && phi->block() == b) { 293 output()->print(" ["); 294 for (int j = 0; j < phi->operand_count(); j ++) { 295 output()->print(" "); 296 Value opd = phi->operand_at(j); 297 if (opd) print_value(opd); 298 else output()->print("NULL"); 299 } 300 output()->print("] "); 301 } 302 print_alias(v); 303 } 304 305 306 void InstructionPrinter::print_alias(Value v) { 307 if (v != v->subst()) { 308 output()->print("alias "); print_value(v->subst()); 309 } 310 } 311 312 313 void InstructionPrinter::fill_to(int pos, char filler) { 314 while (output()->position() < pos) output()->put(filler); 315 } 316 317 318 void InstructionPrinter::print_head() { 319 const char filler = '_'; 320 fill_to(bci_pos , filler); output()->print("bci" ); 321 fill_to(use_pos , filler); output()->print("use" ); 322 fill_to(temp_pos , filler); output()->print("tid" ); 323 fill_to(instr_pos, filler); output()->print("instr"); 324 fill_to(end_pos , filler); 325 output()->cr(); 326 } 327 328 329 void InstructionPrinter::print_line(Instruction* instr) { 330 // print instruction data on one line 331 if (instr->is_pinned()) output()->put('.'); 332 fill_to(bci_pos ); output()->print("%d", instr->printable_bci()); 333 fill_to(use_pos ); output()->print("%d", instr->use_count()); 334 fill_to(temp_pos ); print_temp(instr); 335 fill_to(instr_pos); print_instr(instr); 336 output()->cr(); 337 // add a line for StateSplit instructions w/ non-empty stacks 338 // (make it robust so we can print incomplete instructions) 339 StateSplit* split = instr->as_StateSplit(); 340 if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) { 341 fill_to(instr_pos); print_stack(split->state()); 342 output()->cr(); 343 } 344 } 345 346 347 void InstructionPrinter::do_Phi(Phi* x) { 348 output()->print("phi function"); // make that more detailed later 349 if (x->is_illegal()) 350 output()->print(" (illegal)"); 351 } 352 353 354 void InstructionPrinter::do_Local(Local* x) { 355 output()->print("local[index %d]", x->java_index()); 356 } 357 358 359 void InstructionPrinter::do_Constant(Constant* x) { 360 ValueType* t = x->type(); 361 switch (t->tag()) { 362 case intTag : output()->print("%d" , t->as_IntConstant ()->value()); break; 363 case longTag : output()->print(JLONG_FORMAT, t->as_LongConstant()->value()); output()->print("L"); break; 364 case floatTag : output()->print("%g" , t->as_FloatConstant ()->value()); break; 365 case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value()); break; 366 case objectTag : print_object(x); break; 367 case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break; 368 default : output()->print("???"); break; 369 } 370 } 371 372 373 void InstructionPrinter::do_LoadField(LoadField* x) { 374 print_field(x); 375 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); 376 } 377 378 379 void InstructionPrinter::do_StoreField(StoreField* x) { 380 print_field(x); 381 output()->print(" := "); 382 print_value(x->value()); 383 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); 384 } 385 386 387 void InstructionPrinter::do_ArrayLength(ArrayLength* x) { 388 print_value(x->array()); 389 output()->print(".length"); 390 } 391 392 393 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) { 394 print_indexed(x); 395 output()->print(" (%c)", type2char(x->elt_type())); 396 } 397 398 399 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) { 400 print_indexed(x); 401 output()->print(" := "); 402 print_value(x->value()); 403 output()->print(" (%c)", type2char(x->elt_type())); 404 } 405 406 void InstructionPrinter::do_NegateOp(NegateOp* x) { 407 output()->put('-'); 408 print_value(x->x()); 409 } 410 411 412 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) { 413 print_op2(x); 414 } 415 416 417 void InstructionPrinter::do_ShiftOp(ShiftOp* x) { 418 print_op2(x); 419 } 420 421 422 void InstructionPrinter::do_LogicOp(LogicOp* x) { 423 print_op2(x); 424 } 425 426 427 void InstructionPrinter::do_CompareOp(CompareOp* x) { 428 print_op2(x); 429 } 430 431 432 void InstructionPrinter::do_IfOp(IfOp* x) { 433 print_value(x->x()); 434 output()->print(" %s ", cond_name(x->cond())); 435 print_value(x->y()); 436 output()->print(" ? "); 437 print_value(x->tval()); 438 output()->print(" : "); 439 print_value(x->fval()); 440 } 441 442 443 void InstructionPrinter::do_Convert(Convert* x) { 444 output()->print("%s(", Bytecodes::name(x->op())); 445 print_value(x->value()); 446 output()->put(')'); 447 } 448 449 450 void InstructionPrinter::do_NullCheck(NullCheck* x) { 451 output()->print("null_check("); 452 print_value(x->obj()); 453 output()->put(')'); 454 if (!x->can_trap()) { 455 output()->print(" (eliminated)"); 456 } 457 } 458 459 460 void InstructionPrinter::do_TypeCast(TypeCast* x) { 461 output()->print("type_cast("); 462 print_value(x->obj()); 463 output()->print(") "); 464 if (x->declared_type()->is_klass()) 465 print_klass(x->declared_type()->as_klass()); 466 else 467 output()->print(type2name(x->declared_type()->basic_type())); 468 } 469 470 471 void InstructionPrinter::do_Invoke(Invoke* x) { 472 if (x->receiver() != NULL) { 473 print_value(x->receiver()); 474 output()->print("."); 475 } 476 477 output()->print("%s(", Bytecodes::name(x->code())); 478 for (int i = 0; i < x->number_of_arguments(); i++) { 479 if (i > 0) output()->print(", "); 480 print_value(x->argument_at(i)); 481 } 482 output()->print_cr(")"); 483 fill_to(instr_pos); 484 output()->print("%s.%s%s", 485 x->target()->holder()->name()->as_utf8(), 486 x->target()->name()->as_utf8(), 487 x->target()->signature()->as_symbol()->as_utf8()); 488 } 489 490 491 void InstructionPrinter::do_NewInstance(NewInstance* x) { 492 output()->print("new instance "); 493 print_klass(x->klass()); 494 } 495 496 497 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) { 498 output()->print("new %s array [", basic_type_name(x->elt_type())); 499 print_value(x->length()); 500 output()->put(']'); 501 } 502 503 504 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) { 505 output()->print("new object array ["); 506 print_value(x->length()); 507 output()->print("] "); 508 print_klass(x->klass()); 509 } 510 511 512 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) { 513 output()->print("new multi array ["); 514 Values* dims = x->dims(); 515 for (int i = 0; i < dims->length(); i++) { 516 if (i > 0) output()->print(", "); 517 print_value(dims->at(i)); 518 } 519 output()->print("] "); 520 print_klass(x->klass()); 521 } 522 523 524 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) { 525 output()->print("enter "); 526 print_monitor(x); 527 } 528 529 530 void InstructionPrinter::do_MonitorExit(MonitorExit* x) { 531 output()->print("exit "); 532 print_monitor(x); 533 } 534 535 536 void InstructionPrinter::do_Intrinsic(Intrinsic* x) { 537 const char* name = vmIntrinsics::name_at(x->id()); 538 if (name[0] == '_') name++; // strip leading bug from _hashCode, etc. 539 const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id())); 540 if (strchr(name, '_') == NULL) { 541 kname = NULL; 542 } else { 543 const char* kptr = strrchr(kname, '/'); 544 if (kptr != NULL) kname = kptr + 1; 545 } 546 if (kname == NULL) 547 output()->print("%s(", name); 548 else 549 output()->print("%s.%s(", kname, name); 550 for (int i = 0; i < x->number_of_arguments(); i++) { 551 if (i > 0) output()->print(", "); 552 print_value(x->argument_at(i)); 553 } 554 output()->put(')'); 555 } 556 557 558 void InstructionPrinter::do_BlockBegin(BlockBegin* x) { 559 // print block id 560 BlockEnd* end = x->end(); 561 output()->print("B%d ", x->block_id()); 562 563 // print flags 564 bool printed_flag = false; 565 if (x->is_set(BlockBegin::std_entry_flag)) { 566 if (!printed_flag) output()->print("("); 567 output()->print("S"); printed_flag = true; 568 } 569 if (x->is_set(BlockBegin::osr_entry_flag)) { 570 if (!printed_flag) output()->print("("); 571 output()->print("O"); printed_flag = true; 572 } 573 if (x->is_set(BlockBegin::exception_entry_flag)) { 574 if (!printed_flag) output()->print("("); 575 output()->print("E"); printed_flag = true; 576 } 577 if (x->is_set(BlockBegin::subroutine_entry_flag)) { 578 if (!printed_flag) output()->print("("); 579 output()->print("s"); printed_flag = true; 580 } 581 if (x->is_set(BlockBegin::parser_loop_header_flag)) { 582 if (!printed_flag) output()->print("("); 583 output()->print("LH"); printed_flag = true; 584 } 585 if (x->is_set(BlockBegin::backward_branch_target_flag)) { 586 if (!printed_flag) output()->print("("); 587 output()->print("b"); printed_flag = true; 588 } 589 if (x->is_set(BlockBegin::was_visited_flag)) { 590 if (!printed_flag) output()->print("("); 591 output()->print("V"); printed_flag = true; 592 } 593 if (printed_flag) output()->print(") "); 594 595 // print block bci range 596 output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->printable_bci())); 597 598 // print block successors 599 if (end != NULL && end->number_of_sux() > 0) { 600 output()->print(" ->"); 601 for (int i = 0; i < end->number_of_sux(); i++) { 602 output()->print(" B%d", end->sux_at(i)->block_id()); 603 } 604 } 605 // print exception handlers 606 if (x->number_of_exception_handlers() > 0) { 607 output()->print(" (xhandlers "); 608 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 609 if (i > 0) output()->print(" "); 610 output()->print("B%d", x->exception_handler_at(i)->block_id()); 611 } 612 output()->put(')'); 613 } 614 615 // print dominator block 616 if (x->dominator() != NULL) { 617 output()->print(" dom B%d", x->dominator()->block_id()); 618 } 619 620 // print predecessors and successors 621 if (x->successors()->length() > 0) { 622 output()->print(" sux:"); 623 for (int i = 0; i < x->successors()->length(); i ++) { 624 output()->print(" B%d", x->successors()->at(i)->block_id()); 625 } 626 } 627 628 if (x->number_of_preds() > 0) { 629 output()->print(" pred:"); 630 for (int i = 0; i < x->number_of_preds(); i ++) { 631 output()->print(" B%d", x->pred_at(i)->block_id()); 632 } 633 } 634 635 if (!_print_phis) { 636 return; 637 } 638 639 // print phi functions 640 bool has_phis_in_locals = false; 641 bool has_phis_on_stack = false; 642 643 if (x->end() && x->end()->state()) { 644 ValueStack* state = x->state(); 645 646 int i = 0; 647 while (!has_phis_on_stack && i < state->stack_size()) { 648 Value v = state->stack_at_inc(i); 649 has_phis_on_stack = is_phi_of_block(v, x); 650 } 651 652 do { 653 for (i = 0; !has_phis_in_locals && i < state->locals_size();) { 654 Value v = state->local_at(i); 655 has_phis_in_locals = is_phi_of_block(v, x); 656 // also ignore illegal HiWords 657 if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++; 658 } 659 state = state->caller_state(); 660 } while (state != NULL); 661 662 } 663 664 // print values in locals 665 if (has_phis_in_locals) { 666 output()->cr(); output()->print_cr("Locals:"); 667 668 ValueStack* state = x->state(); 669 do { 670 for (int i = 0; i < state->locals_size();) { 671 Value v = state->local_at(i); 672 if (v) { 673 print_phi(i, v, x); output()->cr(); 674 // also ignore illegal HiWords 675 i += (v->type()->is_illegal() ? 1 : v->type()->size()); 676 } else { 677 i ++; 678 } 679 } 680 output()->cr(); 681 state = state->caller_state(); 682 } while (state != NULL); 683 } 684 685 // print values on stack 686 if (has_phis_on_stack) { 687 output()->print_cr("Stack:"); 688 int i = 0; 689 while (i < x->state()->stack_size()) { 690 int o = i; 691 Value v = x->state()->stack_at_inc(i); 692 if (v) { 693 print_phi(o, v, x); output()->cr(); 694 } 695 } 696 } 697 } 698 699 700 void InstructionPrinter::do_CheckCast(CheckCast* x) { 701 output()->print("checkcast("); 702 print_value(x->obj()); 703 output()->print(") "); 704 print_klass(x->klass()); 705 } 706 707 708 void InstructionPrinter::do_InstanceOf(InstanceOf* x) { 709 output()->print("instanceof("); 710 print_value(x->obj()); 711 output()->print(") "); 712 print_klass(x->klass()); 713 } 714 715 716 void InstructionPrinter::do_Goto(Goto* x) { 717 output()->print("goto B%d", x->default_sux()->block_id()); 718 if (x->is_safepoint()) output()->print(" (safepoint)"); 719 } 720 721 722 void InstructionPrinter::do_If(If* x) { 723 output()->print("if "); 724 print_value(x->x()); 725 output()->print(" %s ", cond_name(x->cond())); 726 print_value(x->y()); 727 output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id()); 728 if (x->is_safepoint()) output()->print(" (safepoint)"); 729 } 730 731 732 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) { 733 output()->print("<IfInstanceOf>"); 734 } 735 736 737 void InstructionPrinter::do_TableSwitch(TableSwitch* x) { 738 output()->print("tableswitch "); 739 if (x->is_safepoint()) output()->print("(safepoint) "); 740 print_value(x->tag()); 741 output()->cr(); 742 int l = x->length(); 743 for (int i = 0; i < l; i++) { 744 fill_to(instr_pos); 745 output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id()); 746 } 747 fill_to(instr_pos); 748 output()->print("default : B%d", x->default_sux()->block_id()); 749 } 750 751 752 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) { 753 output()->print("lookupswitch "); 754 if (x->is_safepoint()) output()->print("(safepoint) "); 755 print_value(x->tag()); 756 output()->cr(); 757 int l = x->length(); 758 for (int i = 0; i < l; i++) { 759 fill_to(instr_pos); 760 output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id()); 761 } 762 fill_to(instr_pos); 763 output()->print("default : B%d", x->default_sux()->block_id()); 764 } 765 766 767 void InstructionPrinter::do_Return(Return* x) { 768 if (x->result() == NULL) { 769 output()->print("return"); 770 } else { 771 output()->print("%creturn ", x->type()->tchar()); 772 print_value(x->result()); 773 } 774 } 775 776 777 void InstructionPrinter::do_Throw(Throw* x) { 778 output()->print("throw "); 779 print_value(x->exception()); 780 } 781 782 783 void InstructionPrinter::do_Base(Base* x) { 784 output()->print("std entry B%d", x->std_entry()->block_id()); 785 if (x->number_of_sux() > 1) { 786 output()->print(" osr entry B%d", x->osr_entry()->block_id()); 787 } 788 } 789 790 791 void InstructionPrinter::do_OsrEntry(OsrEntry* x) { 792 output()->print("osr entry"); 793 } 794 795 796 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) { 797 output()->print("incoming exception"); 798 } 799 800 801 void InstructionPrinter::do_RoundFP(RoundFP* x) { 802 output()->print("round_fp "); 803 print_value(x->input()); 804 } 805 806 807 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) { 808 print_unsafe_raw_op(x, "UnsafeGetRaw"); 809 output()->put(')'); 810 } 811 812 813 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) { 814 print_unsafe_raw_op(x, "UnsafePutRaw"); 815 output()->print(", value "); 816 print_value(x->value()); 817 output()->put(')'); 818 } 819 820 821 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) { 822 print_unsafe_object_op(x, "UnsafeGetObject"); 823 output()->put(')'); 824 } 825 826 827 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) { 828 print_unsafe_object_op(x, "UnsafePutObject"); 829 output()->print(", value "); 830 print_value(x->value()); 831 output()->put(')'); 832 } 833 834 void InstructionPrinter::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) { 835 print_unsafe_object_op(x, x->is_add()?"UnsafeGetAndSetObject (add)":"UnsafeGetAndSetObject"); 836 output()->print(", value "); 837 print_value(x->value()); 838 output()->put(')'); 839 } 840 841 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) { 842 print_unsafe_object_op(x, "UnsafePrefetchRead"); 843 output()->put(')'); 844 } 845 846 847 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { 848 print_unsafe_object_op(x, "UnsafePrefetchWrite"); 849 output()->put(')'); 850 } 851 852 void InstructionPrinter::do_ProfileCall(ProfileCall* x) { 853 output()->print("profile "); 854 print_value(x->recv()); 855 output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8()); 856 if (x->known_holder() != NULL) { 857 output()->print(", "); 858 print_klass(x->known_holder()); 859 } 860 output()->put(')'); 861 } 862 863 void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) { 864 output()->print("profile_invoke "); 865 output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8()); 866 output()->put(')'); 867 868 } 869 870 void InstructionPrinter::do_RuntimeCall(RuntimeCall* x) { 871 output()->print("call_rt %s(", x->entry_name()); 872 for (int i = 0; i < x->number_of_arguments(); i++) { 873 if (i > 0) output()->print(", "); 874 print_value(x->argument_at(i)); 875 } 876 output()->put(')'); 877 } 878 879 void InstructionPrinter::do_MemBar(MemBar* x) { 880 if (os::is_MP()) { 881 LIR_Code code = x->code(); 882 switch (code) { 883 case lir_membar_acquire : output()->print("membar_acquire"); break; 884 case lir_membar_release : output()->print("membar_release"); break; 885 case lir_membar : output()->print("membar"); break; 886 case lir_membar_loadload : output()->print("membar_loadload"); break; 887 case lir_membar_storestore: output()->print("membar_storestore"); break; 888 case lir_membar_loadstore : output()->print("membar_loadstore"); break; 889 case lir_membar_storeload : output()->print("membar_storeload"); break; 890 default : ShouldNotReachHere(); break; 891 } 892 } 893 } 894 895 #endif // PRODUCT