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