1 /* 2 * Copyright (c) 1999, 2010, 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 0x%x>", 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 0x%x>", value->constant_encoding()); 141 } 142 } else if (type->as_InstanceConstant() != NULL) { 143 output()->print("<instance 0x%x>", type->as_InstanceConstant()->value()->constant_encoding()); 144 } else if (type->as_ArrayConstant() != NULL) { 145 output()->print("<array 0x%x>", type->as_ArrayConstant()->value()->constant_encoding()); 146 } else if (type->as_ClassConstant() != NULL) { 147 ciInstanceKlass* klass = type->as_ClassConstant()->value(); 148 if (!klass->is_loaded()) { 149 output()->print("<unloaded> "); 150 } 151 output()->print("class "); 152 print_klass(klass); 153 } else { 154 output()->print("???"); 155 } 156 } 157 158 159 void InstructionPrinter::print_temp(Value value) { 160 output()->print("%c%d", value->type()->tchar(), value->id()); 161 } 162 163 164 void InstructionPrinter::print_field(AccessField* field) { 165 print_value(field->obj()); 166 output()->print("._%d", field->offset()); 167 } 168 169 170 void InstructionPrinter::print_indexed(AccessIndexed* indexed) { 171 print_value(indexed->array()); 172 output()->put('['); 173 print_value(indexed->index()); 174 output()->put(']'); 175 } 176 177 178 void InstructionPrinter::print_monitor(AccessMonitor* monitor) { 179 output()->print("monitor[%d](", monitor->monitor_no()); 180 print_value(monitor->obj()); 181 output()->put(')'); 182 } 183 184 185 void InstructionPrinter::print_op2(Op2* instr) { 186 print_value(instr->x()); 187 output()->print(" %s ", op_name(instr->op())); 188 print_value(instr->y()); 189 } 190 191 192 void InstructionPrinter::print_value(Value value) { 193 if (value == NULL) { 194 output()->print("NULL"); 195 } else { 196 print_temp(value); 197 } 198 } 199 200 201 void InstructionPrinter::print_instr(Instruction* instr) { 202 instr->visit(this); 203 } 204 205 206 void InstructionPrinter::print_stack(ValueStack* stack) { 207 int start_position = output()->position(); 208 if (stack->stack_is_empty()) { 209 output()->print("empty stack"); 210 } else { 211 output()->print("stack ["); 212 for (int i = 0; i < stack->stack_size();) { 213 if (i > 0) output()->print(", "); 214 output()->print("%d:", i); 215 Value value = stack->stack_at_inc(i); 216 print_value(value); 217 Phi* phi = value->as_Phi(); 218 if (phi != NULL) { 219 if (phi->operand()->is_valid()) { 220 output()->print(" "); 221 phi->operand()->print(output()); 222 } 223 } 224 } 225 output()->put(']'); 226 } 227 if (!stack->no_active_locks()) { 228 // print out the lines on the line below this 229 // one at the same indentation level. 230 output()->cr(); 231 fill_to(start_position, ' '); 232 output()->print("locks ["); 233 for (int i = i = 0; i < stack->locks_size(); i++) { 234 Value t = stack->lock_at(i); 235 if (i > 0) output()->print(", "); 236 output()->print("%d:", i); 237 if (t == NULL) { 238 // synchronized methods push null on the lock stack 239 output()->print("this"); 240 } else { 241 print_value(t); 242 } 243 } 244 output()->print("]"); 245 } 246 } 247 248 249 void InstructionPrinter::print_inline_level(BlockBegin* block) { 250 output()->print_cr("inlining depth %d", block->scope()->level()); 251 } 252 253 254 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) { 255 output()->print(name); 256 output()->print(".("); 257 } 258 259 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) { 260 print_unsafe_op(op, name); 261 output()->print("base "); 262 print_value(op->base()); 263 if (op->has_index()) { 264 output()->print(", index "); print_value(op->index()); 265 output()->print(", log2_scale %d", op->log2_scale()); 266 } 267 } 268 269 270 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) { 271 print_unsafe_op(op, name); 272 print_value(op->object()); 273 output()->print(", "); 274 print_value(op->offset()); 275 } 276 277 278 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) { 279 Phi* phi = v->as_Phi(); 280 output()->print("%2d ", i); 281 print_value(v); 282 // print phi operands 283 if (phi && phi->block() == b) { 284 output()->print(" ["); 285 for (int j = 0; j < phi->operand_count(); j ++) { 286 output()->print(" "); 287 Value opd = phi->operand_at(j); 288 if (opd) print_value(opd); 289 else output()->print("NULL"); 290 } 291 output()->print("] "); 292 } 293 print_alias(v); 294 } 295 296 297 void InstructionPrinter::print_alias(Value v) { 298 if (v != v->subst()) { 299 output()->print("alias "); print_value(v->subst()); 300 } 301 } 302 303 304 void InstructionPrinter::fill_to(int pos, char filler) { 305 while (output()->position() < pos) output()->put(filler); 306 } 307 308 309 void InstructionPrinter::print_head() { 310 const char filler = '_'; 311 fill_to(bci_pos , filler); output()->print("bci" ); 312 fill_to(use_pos , filler); output()->print("use" ); 313 fill_to(temp_pos , filler); output()->print("tid" ); 314 fill_to(instr_pos, filler); output()->print("instr"); 315 fill_to(end_pos , filler); 316 output()->cr(); 317 } 318 319 320 void InstructionPrinter::print_line(Instruction* instr) { 321 // print instruction data on one line 322 if (instr->is_pinned()) output()->put('.'); 323 fill_to(bci_pos ); output()->print("%d", instr->printable_bci()); 324 fill_to(use_pos ); output()->print("%d", instr->use_count()); 325 fill_to(temp_pos ); print_temp(instr); 326 fill_to(instr_pos); print_instr(instr); 327 output()->cr(); 328 // add a line for StateSplit instructions w/ non-empty stacks 329 // (make it robust so we can print incomplete instructions) 330 StateSplit* split = instr->as_StateSplit(); 331 if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) { 332 fill_to(instr_pos); print_stack(split->state()); 333 output()->cr(); 334 } 335 } 336 337 338 void InstructionPrinter::do_Phi(Phi* x) { 339 output()->print("phi function"); // make that more detailed later 340 if (x->is_illegal()) 341 output()->print(" (illegal)"); 342 } 343 344 345 void InstructionPrinter::do_Local(Local* x) { 346 output()->print("local[index %d]", x->java_index()); 347 } 348 349 350 void InstructionPrinter::do_Constant(Constant* x) { 351 ValueType* t = x->type(); 352 switch (t->tag()) { 353 case intTag : output()->print("%d" , t->as_IntConstant ()->value()); break; 354 case longTag : output()->print(os::jlong_format_specifier(), t->as_LongConstant()->value()); output()->print("L"); break; 355 case floatTag : output()->print("%g" , t->as_FloatConstant ()->value()); break; 356 case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value()); break; 357 case objectTag : print_object(x); break; 358 case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break; 359 default : output()->print("???"); break; 360 } 361 } 362 363 364 void InstructionPrinter::do_LoadField(LoadField* x) { 365 print_field(x); 366 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); 367 } 368 369 370 void InstructionPrinter::do_StoreField(StoreField* x) { 371 print_field(x); 372 output()->print(" := "); 373 print_value(x->value()); 374 output()->print(" (%c)", type2char(x->field()->type()->basic_type())); 375 } 376 377 378 void InstructionPrinter::do_ArrayLength(ArrayLength* x) { 379 print_value(x->array()); 380 output()->print(".length"); 381 } 382 383 384 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) { 385 print_indexed(x); 386 output()->print(" (%c)", type2char(x->elt_type())); 387 } 388 389 390 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) { 391 print_indexed(x); 392 output()->print(" := "); 393 print_value(x->value()); 394 output()->print(" (%c)", type2char(x->elt_type())); 395 } 396 397 void InstructionPrinter::do_NegateOp(NegateOp* x) { 398 output()->put('-'); 399 print_value(x->x()); 400 } 401 402 403 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) { 404 print_op2(x); 405 } 406 407 408 void InstructionPrinter::do_ShiftOp(ShiftOp* x) { 409 print_op2(x); 410 } 411 412 413 void InstructionPrinter::do_LogicOp(LogicOp* x) { 414 print_op2(x); 415 } 416 417 418 void InstructionPrinter::do_CompareOp(CompareOp* x) { 419 print_op2(x); 420 } 421 422 423 void InstructionPrinter::do_IfOp(IfOp* x) { 424 print_value(x->x()); 425 output()->print(" %s ", cond_name(x->cond())); 426 print_value(x->y()); 427 output()->print(" ? "); 428 print_value(x->tval()); 429 output()->print(" : "); 430 print_value(x->fval()); 431 } 432 433 434 void InstructionPrinter::do_Convert(Convert* x) { 435 output()->print("%s(", Bytecodes::name(x->op())); 436 print_value(x->value()); 437 output()->put(')'); 438 } 439 440 441 void InstructionPrinter::do_NullCheck(NullCheck* x) { 442 output()->print("null_check("); 443 print_value(x->obj()); 444 output()->put(')'); 445 if (!x->can_trap()) { 446 output()->print(" (eliminated)"); 447 } 448 } 449 450 451 void InstructionPrinter::do_Invoke(Invoke* x) { 452 if (x->receiver() != NULL) { 453 print_value(x->receiver()); 454 output()->print("."); 455 } 456 457 output()->print("%s(", Bytecodes::name(x->code())); 458 for (int i = 0; i < x->number_of_arguments(); i++) { 459 if (i > 0) output()->print(", "); 460 print_value(x->argument_at(i)); 461 } 462 output()->print_cr(")"); 463 fill_to(instr_pos); 464 output()->print("%s.%s%s", 465 x->target()->holder()->name()->as_utf8(), 466 x->target()->name()->as_utf8(), 467 x->target()->signature()->as_symbol()->as_utf8()); 468 } 469 470 471 void InstructionPrinter::do_NewInstance(NewInstance* x) { 472 output()->print("new instance "); 473 print_klass(x->klass()); 474 } 475 476 477 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) { 478 output()->print("new %s array [", basic_type_name(x->elt_type())); 479 print_value(x->length()); 480 output()->put(']'); 481 } 482 483 484 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) { 485 output()->print("new object array ["); 486 print_value(x->length()); 487 output()->print("] "); 488 print_klass(x->klass()); 489 } 490 491 492 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) { 493 output()->print("new multi array ["); 494 Values* dims = x->dims(); 495 for (int i = 0; i < dims->length(); i++) { 496 if (i > 0) output()->print(", "); 497 print_value(dims->at(i)); 498 } 499 output()->print("] "); 500 print_klass(x->klass()); 501 } 502 503 504 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) { 505 output()->print("enter "); 506 print_monitor(x); 507 } 508 509 510 void InstructionPrinter::do_MonitorExit(MonitorExit* x) { 511 output()->print("exit "); 512 print_monitor(x); 513 } 514 515 516 void InstructionPrinter::do_Intrinsic(Intrinsic* x) { 517 const char* name = vmIntrinsics::name_at(x->id()); 518 if (name[0] == '_') name++; // strip leading bug from _hashCode, etc. 519 const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id())); 520 if (strchr(name, '_') == NULL) { 521 kname = NULL; 522 } else { 523 const char* kptr = strrchr(kname, '/'); 524 if (kptr != NULL) kname = kptr + 1; 525 } 526 if (kname == NULL) 527 output()->print("%s(", name); 528 else 529 output()->print("%s.%s(", kname, name); 530 for (int i = 0; i < x->number_of_arguments(); i++) { 531 if (i > 0) output()->print(", "); 532 print_value(x->argument_at(i)); 533 } 534 output()->put(')'); 535 } 536 537 538 void InstructionPrinter::do_BlockBegin(BlockBegin* x) { 539 // print block id 540 BlockEnd* end = x->end(); 541 output()->print("B%d ", x->block_id()); 542 543 // print flags 544 bool printed_flag = false; 545 if (x->is_set(BlockBegin::std_entry_flag)) { 546 if (!printed_flag) output()->print("("); 547 output()->print("S"); printed_flag = true; 548 } 549 if (x->is_set(BlockBegin::osr_entry_flag)) { 550 if (!printed_flag) output()->print("("); 551 output()->print("O"); printed_flag = true; 552 } 553 if (x->is_set(BlockBegin::exception_entry_flag)) { 554 if (!printed_flag) output()->print("("); 555 output()->print("E"); printed_flag = true; 556 } 557 if (x->is_set(BlockBegin::subroutine_entry_flag)) { 558 if (!printed_flag) output()->print("("); 559 output()->print("s"); printed_flag = true; 560 } 561 if (x->is_set(BlockBegin::parser_loop_header_flag)) { 562 if (!printed_flag) output()->print("("); 563 output()->print("LH"); printed_flag = true; 564 } 565 if (x->is_set(BlockBegin::backward_branch_target_flag)) { 566 if (!printed_flag) output()->print("("); 567 output()->print("b"); printed_flag = true; 568 } 569 if (x->is_set(BlockBegin::was_visited_flag)) { 570 if (!printed_flag) output()->print("("); 571 output()->print("V"); printed_flag = true; 572 } 573 if (printed_flag) output()->print(") "); 574 575 // print block bci range 576 output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->printable_bci())); 577 578 // print block successors 579 if (end != NULL && end->number_of_sux() > 0) { 580 output()->print(" ->"); 581 for (int i = 0; i < end->number_of_sux(); i++) { 582 output()->print(" B%d", end->sux_at(i)->block_id()); 583 } 584 } 585 // print exception handlers 586 if (x->number_of_exception_handlers() > 0) { 587 output()->print(" (xhandlers "); 588 for (int i = 0; i < x->number_of_exception_handlers(); i++) { 589 if (i > 0) output()->print(" "); 590 output()->print("B%d", x->exception_handler_at(i)->block_id()); 591 } 592 output()->put(')'); 593 } 594 595 // print dominator block 596 if (x->dominator() != NULL) { 597 output()->print(" dom B%d", x->dominator()->block_id()); 598 } 599 600 // print predecessors and successors 601 if (x->successors()->length() > 0) { 602 output()->print(" sux:"); 603 for (int i = 0; i < x->successors()->length(); i ++) { 604 output()->print(" B%d", x->successors()->at(i)->block_id()); 605 } 606 } 607 608 if (x->number_of_preds() > 0) { 609 output()->print(" pred:"); 610 for (int i = 0; i < x->number_of_preds(); i ++) { 611 output()->print(" B%d", x->pred_at(i)->block_id()); 612 } 613 } 614 615 if (!_print_phis) { 616 return; 617 } 618 619 // print phi functions 620 bool has_phis_in_locals = false; 621 bool has_phis_on_stack = false; 622 623 if (x->end() && x->end()->state()) { 624 ValueStack* state = x->state(); 625 626 int i = 0; 627 while (!has_phis_on_stack && i < state->stack_size()) { 628 Value v = state->stack_at_inc(i); 629 has_phis_on_stack = is_phi_of_block(v, x); 630 } 631 632 do { 633 for (i = 0; !has_phis_in_locals && i < state->locals_size();) { 634 Value v = state->local_at(i); 635 has_phis_in_locals = is_phi_of_block(v, x); 636 // also ignore illegal HiWords 637 if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++; 638 } 639 state = state->caller_state(); 640 } while (state != NULL); 641 642 } 643 644 // print values in locals 645 if (has_phis_in_locals) { 646 output()->cr(); output()->print_cr("Locals:"); 647 648 ValueStack* state = x->state(); 649 do { 650 for (int i = 0; i < state->locals_size();) { 651 Value v = state->local_at(i); 652 if (v) { 653 print_phi(i, v, x); output()->cr(); 654 // also ignore illegal HiWords 655 i += (v->type()->is_illegal() ? 1 : v->type()->size()); 656 } else { 657 i ++; 658 } 659 } 660 output()->cr(); 661 state = state->caller_state(); 662 } while (state != NULL); 663 } 664 665 // print values on stack 666 if (has_phis_on_stack) { 667 output()->print_cr("Stack:"); 668 int i = 0; 669 while (i < x->state()->stack_size()) { 670 int o = i; 671 Value v = x->state()->stack_at_inc(i); 672 if (v) { 673 print_phi(o, v, x); output()->cr(); 674 } 675 } 676 } 677 } 678 679 680 void InstructionPrinter::do_CheckCast(CheckCast* x) { 681 output()->print("checkcast("); 682 print_value(x->obj()); 683 output()->print(") "); 684 print_klass(x->klass()); 685 } 686 687 688 void InstructionPrinter::do_InstanceOf(InstanceOf* x) { 689 output()->print("instanceof("); 690 print_value(x->obj()); 691 output()->print(") "); 692 print_klass(x->klass()); 693 } 694 695 696 void InstructionPrinter::do_Goto(Goto* x) { 697 output()->print("goto B%d", x->default_sux()->block_id()); 698 if (x->is_safepoint()) output()->print(" (safepoint)"); 699 } 700 701 702 void InstructionPrinter::do_If(If* x) { 703 output()->print("if "); 704 print_value(x->x()); 705 output()->print(" %s ", cond_name(x->cond())); 706 print_value(x->y()); 707 output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id()); 708 if (x->is_safepoint()) output()->print(" (safepoint)"); 709 } 710 711 712 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) { 713 output()->print("<IfInstanceOf>"); 714 } 715 716 717 void InstructionPrinter::do_TableSwitch(TableSwitch* x) { 718 output()->print("tableswitch "); 719 if (x->is_safepoint()) output()->print("(safepoint) "); 720 print_value(x->tag()); 721 output()->cr(); 722 int l = x->length(); 723 for (int i = 0; i < l; i++) { 724 fill_to(instr_pos); 725 output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id()); 726 } 727 fill_to(instr_pos); 728 output()->print("default : B%d", x->default_sux()->block_id()); 729 } 730 731 732 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) { 733 output()->print("lookupswitch "); 734 if (x->is_safepoint()) output()->print("(safepoint) "); 735 print_value(x->tag()); 736 output()->cr(); 737 int l = x->length(); 738 for (int i = 0; i < l; i++) { 739 fill_to(instr_pos); 740 output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id()); 741 } 742 fill_to(instr_pos); 743 output()->print("default : B%d", x->default_sux()->block_id()); 744 } 745 746 747 void InstructionPrinter::do_Return(Return* x) { 748 if (x->result() == NULL) { 749 output()->print("return"); 750 } else { 751 output()->print("%creturn ", x->type()->tchar()); 752 print_value(x->result()); 753 } 754 } 755 756 757 void InstructionPrinter::do_Throw(Throw* x) { 758 output()->print("throw "); 759 print_value(x->exception()); 760 } 761 762 763 void InstructionPrinter::do_Base(Base* x) { 764 output()->print("std entry B%d", x->std_entry()->block_id()); 765 if (x->number_of_sux() > 1) { 766 output()->print(" osr entry B%d", x->osr_entry()->block_id()); 767 } 768 } 769 770 771 void InstructionPrinter::do_OsrEntry(OsrEntry* x) { 772 output()->print("osr entry"); 773 } 774 775 776 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) { 777 output()->print("incoming exception"); 778 } 779 780 781 void InstructionPrinter::do_RoundFP(RoundFP* x) { 782 output()->print("round_fp "); 783 print_value(x->input()); 784 } 785 786 787 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) { 788 print_unsafe_raw_op(x, "UnsafeGetRaw"); 789 output()->put(')'); 790 } 791 792 793 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) { 794 print_unsafe_raw_op(x, "UnsafePutRaw"); 795 output()->print(", value "); 796 print_value(x->value()); 797 output()->put(')'); 798 } 799 800 801 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) { 802 print_unsafe_object_op(x, "UnsafeGetObject"); 803 output()->put(')'); 804 } 805 806 807 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) { 808 print_unsafe_object_op(x, "UnsafePutObject"); 809 output()->print(", value "); 810 print_value(x->value()); 811 output()->put(')'); 812 } 813 814 815 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) { 816 print_unsafe_object_op(x, "UnsafePrefetchRead"); 817 output()->put(')'); 818 } 819 820 821 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) { 822 print_unsafe_object_op(x, "UnsafePrefetchWrite"); 823 output()->put(')'); 824 } 825 826 void InstructionPrinter::do_ProfileCall(ProfileCall* x) { 827 output()->print("profile "); 828 print_value(x->recv()); 829 output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8()); 830 if (x->known_holder() != NULL) { 831 output()->print(", "); 832 print_klass(x->known_holder()); 833 } 834 output()->put(')'); 835 } 836 837 void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) { 838 output()->print("profile_invoke "); 839 output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8()); 840 output()->put(')'); 841 842 } 843 844 #endif // PRODUCT