1 /*
   2  * Copyright (c) 2000, 2025, 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 "c1/c1_CodeStubs.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/ciInlineKlass.hpp"
  31 #include "ci/ciInstance.hpp"
  32 #include "runtime/safepointMechanism.inline.hpp"
  33 #include "runtime/sharedRuntime.hpp"
  34 #include "runtime/vm_version.hpp"
  35 
  36 Register LIR_Opr::as_register() const {
  37   return FrameMap::cpu_rnr2reg(cpu_regnr());
  38 }
  39 
  40 Register LIR_Opr::as_register_lo() const {
  41   return FrameMap::cpu_rnr2reg(cpu_regnrLo());
  42 }
  43 
  44 Register LIR_Opr::as_register_hi() const {
  45   return FrameMap::cpu_rnr2reg(cpu_regnrHi());
  46 }
  47 
  48 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
  49 LIR_Opr LIR_OprFact::nullOpr = LIR_Opr();
  50 
  51 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
  52   ValueTag tag = type->tag();
  53   switch (tag) {
  54   case metaDataTag : {
  55     ClassConstant* c = type->as_ClassConstant();
  56     if (c != nullptr && !c->value()->is_loaded()) {
  57       return LIR_OprFact::metadataConst(nullptr);
  58     } else if (c != nullptr) {
  59       return LIR_OprFact::metadataConst(c->value()->constant_encoding());
  60     } else {
  61       MethodConstant* m = type->as_MethodConstant();
  62       assert (m != nullptr, "not a class or a method?");
  63       return LIR_OprFact::metadataConst(m->value()->constant_encoding());
  64     }
  65   }
  66   case objectTag : {
  67       return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
  68     }
  69   case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
  70   case intTag    : return LIR_OprFact::intConst(type->as_IntConstant()->value());
  71   case floatTag  : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
  72   case longTag   : return LIR_OprFact::longConst(type->as_LongConstant()->value());
  73   case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
  74   default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
  75   }
  76 }
  77 
  78 
  79 //---------------------------------------------------
  80 
  81 
  82 LIR_Address::Scale LIR_Address::scale(BasicType type) {
  83   int elem_size = type2aelembytes(type);
  84   switch (elem_size) {
  85   case 1: return LIR_Address::times_1;
  86   case 2: return LIR_Address::times_2;
  87   case 4: return LIR_Address::times_4;
  88   case 8: return LIR_Address::times_8;
  89   }
  90   ShouldNotReachHere();
  91   return LIR_Address::times_1;
  92 }
  93 
  94 //---------------------------------------------------
  95 
  96 char LIR_Opr::type_char(BasicType t) {
  97   switch (t) {
  98     case T_ARRAY:
  99       t = T_OBJECT;
 100     case T_BOOLEAN:
 101     case T_CHAR:
 102     case T_FLOAT:
 103     case T_DOUBLE:
 104     case T_BYTE:
 105     case T_SHORT:
 106     case T_INT:
 107     case T_LONG:
 108     case T_OBJECT:
 109     case T_ADDRESS:
 110     case T_VOID:
 111       return ::type2char(t);
 112     case T_METADATA:
 113       return 'M';
 114     case T_ILLEGAL:
 115       return '?';
 116 
 117     default:
 118       ShouldNotReachHere();
 119       return '?';
 120   }
 121 }
 122 
 123 #ifndef PRODUCT
 124 void LIR_Opr::validate_type() const {
 125 
 126 #ifdef ASSERT
 127   if (!is_pointer() && !is_illegal()) {
 128     OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160
 129     switch (as_BasicType(type_field())) {
 130     case T_LONG:
 131       assert((kindfield == cpu_register || kindfield == stack_value) &&
 132              size_field() == double_size, "must match");
 133       break;
 134     case T_FLOAT:
 135       // FP return values can be also in CPU registers on ARM (softfp ABI)
 136       assert((kindfield == fpu_register || kindfield == stack_value
 137              ARM_ONLY(|| kindfield == cpu_register) ) &&
 138              size_field() == single_size, "must match");
 139       break;
 140     case T_DOUBLE:
 141       // FP return values can be also in CPU registers on ARM (softfp ABI)
 142       assert((kindfield == fpu_register || kindfield == stack_value
 143              ARM_ONLY(|| kindfield == cpu_register) ) &&
 144              size_field() == double_size, "must match");
 145       break;
 146     case T_BOOLEAN:
 147     case T_CHAR:
 148     case T_BYTE:
 149     case T_SHORT:
 150     case T_INT:
 151     case T_ADDRESS:
 152     case T_OBJECT:
 153     case T_METADATA:
 154     case T_ARRAY:
 155       assert((kindfield == cpu_register || kindfield == stack_value) &&
 156              size_field() == single_size, "must match");
 157       break;
 158 
 159     case T_ILLEGAL:
 160       // XXX TKR also means unknown right now
 161       // assert(is_illegal(), "must match");
 162       break;
 163 
 164     default:
 165       ShouldNotReachHere();
 166     }
 167   }
 168 #endif
 169 
 170 }
 171 #endif // PRODUCT
 172 
 173 
 174 bool LIR_Opr::is_oop() const {
 175   if (is_pointer()) {
 176     return pointer()->is_oop_pointer();
 177   } else {
 178     OprType t= type_field();
 179     assert(t != unknown_type, "not set");
 180     return t == object_type;
 181   }
 182 }
 183 
 184 
 185 
 186 void LIR_Op2::verify() const {
 187 #ifdef ASSERT
 188   switch (code()) {
 189     case lir_xchg:
 190       break;
 191 
 192     default:
 193       assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
 194              "can't produce oops from arith");
 195   }
 196 
 197   if (two_operand_lir_form) {
 198 
 199     bool threeOperandForm = false;
 200 #ifdef S390
 201     // There are 3 operand shifts on S390 (see LIR_Assembler::shift_op()).
 202     threeOperandForm =
 203       code() == lir_shl ||
 204       ((code() == lir_shr || code() == lir_ushr) && (result_opr()->is_double_cpu() || in_opr1()->type() == T_OBJECT));
 205 #endif
 206 
 207     switch (code()) {
 208     case lir_add:
 209     case lir_sub:
 210     case lir_mul:
 211     case lir_div:
 212     case lir_rem:
 213     case lir_logic_and:
 214     case lir_logic_or:
 215     case lir_logic_xor:
 216     case lir_shl:
 217     case lir_shr:
 218       assert(in_opr1() == result_opr() || threeOperandForm, "opr1 and result must match");
 219       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 220       break;
 221 
 222     // special handling for lir_ushr because of write barriers
 223     case lir_ushr:
 224       assert(in_opr1() == result_opr() || in_opr2()->is_constant() || threeOperandForm, "opr1 and result must match or shift count is constant");
 225       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 226       break;
 227 
 228     default:
 229       break;
 230     }
 231   }
 232 #endif
 233 }
 234 
 235 
 236 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block)
 237   : LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
 238   , _label(block->label())
 239   , _block(block)
 240   , _ublock(nullptr)
 241   , _stub(nullptr) {
 242 }
 243 
 244 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, CodeStub* stub) :
 245   LIR_Op2(lir_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
 246   , _label(stub->entry())
 247   , _block(nullptr)
 248   , _ublock(nullptr)
 249   , _stub(stub) {
 250 }
 251 
 252 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BlockBegin* block, BlockBegin* ublock)
 253   : LIR_Op2(lir_cond_float_branch, cond, LIR_OprFact::illegalOpr, LIR_OprFact::illegalOpr, (CodeEmitInfo*)nullptr)
 254   , _label(block->label())
 255   , _block(block)
 256   , _ublock(ublock)
 257   , _stub(nullptr)
 258 {
 259 }
 260 
 261 void LIR_OpBranch::change_block(BlockBegin* b) {
 262   assert(_block != nullptr, "must have old block");
 263   assert(_block->label() == label(), "must be equal");
 264 
 265   _block = b;
 266   _label = b->label();
 267 }
 268 
 269 void LIR_OpBranch::change_ublock(BlockBegin* b) {
 270   assert(_ublock != nullptr, "must have old block");
 271   _ublock = b;
 272 }
 273 
 274 void LIR_OpBranch::negate_cond() {
 275   switch (cond()) {
 276     case lir_cond_equal:        set_cond(lir_cond_notEqual);     break;
 277     case lir_cond_notEqual:     set_cond(lir_cond_equal);        break;
 278     case lir_cond_less:         set_cond(lir_cond_greaterEqual); break;
 279     case lir_cond_lessEqual:    set_cond(lir_cond_greater);      break;
 280     case lir_cond_greaterEqual: set_cond(lir_cond_less);         break;
 281     case lir_cond_greater:      set_cond(lir_cond_lessEqual);    break;
 282     default: ShouldNotReachHere();
 283   }
 284 }
 285 
 286 
 287 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
 288                                  LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
 289                                  bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
 290                                  CodeStub* stub, bool need_null_check)
 291 
 292   : LIR_Op(code, result, nullptr)
 293   , _object(object)
 294   , _array(LIR_OprFact::illegalOpr)
 295   , _klass(klass)
 296   , _tmp1(tmp1)
 297   , _tmp2(tmp2)
 298   , _tmp3(tmp3)
 299   , _info_for_patch(info_for_patch)
 300   , _info_for_exception(info_for_exception)
 301   , _stub(stub)
 302   , _profiled_method(nullptr)
 303   , _profiled_bci(-1)
 304   , _should_profile(false)
 305   , _fast_check(fast_check)
 306   , _need_null_check(need_null_check)
 307 {
 308   if (code == lir_checkcast) {
 309     assert(info_for_exception != nullptr, "checkcast throws exceptions");
 310   } else if (code == lir_instanceof) {
 311     assert(info_for_exception == nullptr, "instanceof throws no exceptions");
 312   } else {
 313     ShouldNotReachHere();
 314   }
 315 }
 316 
 317 
 318 
 319 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)
 320   : LIR_Op(code, LIR_OprFact::illegalOpr, nullptr)
 321   , _object(object)
 322   , _array(array)
 323   , _klass(nullptr)
 324   , _tmp1(tmp1)
 325   , _tmp2(tmp2)
 326   , _tmp3(tmp3)
 327   , _info_for_patch(nullptr)
 328   , _info_for_exception(info_for_exception)
 329   , _stub(nullptr)
 330   , _profiled_method(nullptr)
 331   , _profiled_bci(-1)
 332   , _should_profile(false)
 333   , _fast_check(false)
 334   , _need_null_check(true)
 335 {
 336   if (code == lir_store_check) {
 337     _stub = new ArrayStoreExceptionStub(object, info_for_exception);
 338     assert(info_for_exception != nullptr, "store_check throws exceptions");
 339   } else {
 340     ShouldNotReachHere();
 341   }
 342 }
 343 
 344 LIR_OpFlattenedArrayCheck::LIR_OpFlattenedArrayCheck(LIR_Opr array, LIR_Opr value, LIR_Opr tmp, CodeStub* stub)
 345   : LIR_Op(lir_flat_array_check, LIR_OprFact::illegalOpr, nullptr)
 346   , _array(array)
 347   , _value(value)
 348   , _tmp(tmp)
 349   , _stub(stub) {}
 350 
 351 
 352 LIR_OpNullFreeArrayCheck::LIR_OpNullFreeArrayCheck(LIR_Opr array, LIR_Opr tmp)
 353   : LIR_Op(lir_null_free_array_check, LIR_OprFact::illegalOpr, nullptr)
 354   , _array(array)
 355   , _tmp(tmp) {}
 356 
 357 
 358 LIR_OpSubstitutabilityCheck::LIR_OpSubstitutabilityCheck(LIR_Opr result, LIR_Opr left, LIR_Opr right, LIR_Opr equal_result, LIR_Opr not_equal_result,
 359                                                          LIR_Opr tmp1, LIR_Opr tmp2,
 360                                                          ciKlass* left_klass, ciKlass* right_klass, LIR_Opr left_klass_op, LIR_Opr right_klass_op,
 361                                                          CodeEmitInfo* info, CodeStub* stub)
 362   : LIR_Op(lir_substitutability_check, result, info)
 363   , _left(left)
 364   , _right(right)
 365   , _equal_result(equal_result)
 366   , _not_equal_result(not_equal_result)
 367   , _tmp1(tmp1)
 368   , _tmp2(tmp2)
 369   , _left_klass(left_klass)
 370   , _right_klass(right_klass)
 371   , _left_klass_op(left_klass_op)
 372   , _right_klass_op(right_klass_op)
 373   , _stub(stub) {}
 374 
 375 
 376 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
 377                                  LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
 378   : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
 379   , _src(src)
 380   , _src_pos(src_pos)
 381   , _dst(dst)
 382   , _dst_pos(dst_pos)
 383   , _length(length)
 384   , _tmp(tmp)
 385   , _expected_type(expected_type)
 386   , _flags(flags) {
 387 #if defined(X86) || defined(AARCH64) || defined(S390) || defined(RISCV64) || defined(PPC64)
 388   if (expected_type != nullptr &&
 389       ((flags & ~LIR_OpArrayCopy::get_initial_copy_flags()) == 0)) {
 390     _stub = nullptr;
 391   } else {
 392     _stub = new ArrayCopyStub(this);
 393   }
 394 #else
 395   _stub = new ArrayCopyStub(this);
 396 #endif
 397 }
 398 
 399 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
 400   : LIR_Op(lir_updatecrc32, res, nullptr)
 401   , _crc(crc)
 402   , _val(val) {
 403 }
 404 
 405 //-------------------verify--------------------------
 406 
 407 void LIR_Op1::verify() const {
 408   switch(code()) {
 409   case lir_move:
 410     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
 411     break;
 412   case lir_null_check:
 413     assert(in_opr()->is_register(), "must be");
 414     break;
 415   case lir_return:
 416     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
 417     break;
 418   default:
 419     break;
 420   }
 421 }
 422 
 423 void LIR_OpRTCall::verify() const {
 424   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
 425 }
 426 
 427 //-------------------visits--------------------------
 428 
 429 // complete rework of LIR instruction visitor.
 430 // The virtual call for each instruction type is replaced by a big
 431 // switch that adds the operands for each instruction
 432 
 433 void LIR_OpVisitState::visit(LIR_Op* op) {
 434   // copy information from the LIR_Op
 435   reset();
 436   set_op(op);
 437 
 438   switch (op->code()) {
 439 
 440 // LIR_Op0
 441     case lir_breakpoint:               // result and info always invalid
 442     case lir_membar:                   // result and info always invalid
 443     case lir_membar_acquire:           // result and info always invalid
 444     case lir_membar_release:           // result and info always invalid
 445     case lir_membar_loadload:          // result and info always invalid
 446     case lir_membar_storestore:        // result and info always invalid
 447     case lir_membar_loadstore:         // result and info always invalid
 448     case lir_membar_storeload:         // result and info always invalid
 449     case lir_check_orig_pc:            // result and info always invalid
 450     case lir_on_spin_wait:
 451     {
 452       assert(op->as_Op0() != nullptr, "must be");
 453       assert(op->_info == nullptr, "info not used by this instruction");
 454       assert(op->_result->is_illegal(), "not used");
 455       break;
 456     }
 457 
 458     case lir_nop:                      // may have info, result always invalid
 459     case lir_std_entry:                // may have result, info always invalid
 460     case lir_osr_entry:                // may have result, info always invalid
 461     case lir_get_thread:               // may have result, info always invalid
 462     {
 463       assert(op->as_Op0() != nullptr, "must be");
 464       if (op->_info != nullptr)           do_info(op->_info);
 465       if (op->_result->is_valid())     do_output(op->_result);
 466       break;
 467     }
 468 
 469 
 470 // LIR_OpLabel
 471     case lir_label:                    // result and info always invalid
 472     {
 473       assert(op->as_OpLabel() != nullptr, "must be");
 474       assert(op->_info == nullptr, "info not used by this instruction");
 475       assert(op->_result->is_illegal(), "not used");
 476       break;
 477     }
 478 
 479 
 480 // LIR_Op1
 481     case lir_push:           // input always valid, result and info always invalid
 482     case lir_pop:            // input always valid, result and info always invalid
 483     case lir_leal:           // input and result always valid, info always invalid
 484     case lir_monaddr:        // input and result always valid, info always invalid
 485     case lir_null_check:     // input and info always valid, result always invalid
 486     case lir_move:           // input and result always valid, may have info
 487     case lir_sqrt:           // FP Ops have no info, but input and result
 488     case lir_abs:
 489     case lir_neg:
 490     case lir_f2hf:
 491     case lir_hf2f:
 492     {
 493       assert(op->as_Op1() != nullptr, "must be");
 494       LIR_Op1* op1 = (LIR_Op1*)op;
 495 
 496       if (op1->_info)                  do_info(op1->_info);
 497       if (op1->_opr->is_valid())       do_input(op1->_opr);
 498       if (op1->_tmp->is_valid())       do_temp(op1->_tmp);
 499       if (op1->_result->is_valid())    do_output(op1->_result);
 500 
 501       break;
 502     }
 503 
 504     case lir_return:
 505     {
 506       assert(op->as_OpReturn() != nullptr, "must be");
 507       LIR_OpReturn* op_ret = (LIR_OpReturn*)op;
 508 
 509       if (op_ret->_info)               do_info(op_ret->_info);
 510       if (op_ret->_opr->is_valid())    do_input(op_ret->_opr);
 511       if (op_ret->_result->is_valid()) do_output(op_ret->_result);
 512       if (op_ret->stub() != nullptr)      do_stub(op_ret->stub());
 513 
 514       break;
 515     }
 516 
 517     case lir_safepoint:
 518     {
 519       assert(op->as_Op1() != nullptr, "must be");
 520       LIR_Op1* op1 = (LIR_Op1*)op;
 521 
 522       assert(op1->_info != nullptr, "");  do_info(op1->_info);
 523       if (op1->_opr->is_valid())       do_temp(op1->_opr); // safepoints on SPARC need temporary register
 524       assert(op1->_tmp->is_illegal(), "not used");
 525       assert(op1->_result->is_illegal(), "safepoint does not produce value");
 526 
 527       break;
 528     }
 529 
 530 // LIR_OpConvert;
 531     case lir_convert:        // input and result always valid, info always invalid
 532     {
 533       assert(op->as_OpConvert() != nullptr, "must be");
 534       LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
 535 
 536       assert(opConvert->_info == nullptr, "must be");
 537       if (opConvert->_opr->is_valid())       do_input(opConvert->_opr);
 538       if (opConvert->_result->is_valid())    do_output(opConvert->_result);
 539       do_stub(opConvert->_stub);
 540 
 541       break;
 542     }
 543 
 544 // LIR_OpBranch;
 545     case lir_branch:                   // may have info, input and result register always invalid
 546     case lir_cond_float_branch:        // may have info, input and result register always invalid
 547     {
 548       assert(op->as_OpBranch() != nullptr, "must be");
 549       LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
 550 
 551       assert(opBranch->_tmp1->is_illegal() && opBranch->_tmp2->is_illegal() &&
 552              opBranch->_tmp3->is_illegal() && opBranch->_tmp4->is_illegal() &&
 553              opBranch->_tmp5->is_illegal(), "not used");
 554 
 555       if (opBranch->_opr1->is_valid()) do_input(opBranch->_opr1);
 556       if (opBranch->_opr2->is_valid()) do_input(opBranch->_opr2);
 557 
 558       if (opBranch->_info != nullptr)  do_info(opBranch->_info);
 559       assert(opBranch->_result->is_illegal(), "not used");
 560       if (opBranch->_stub != nullptr)  opBranch->stub()->visit(this);
 561 
 562       break;
 563     }
 564 
 565 
 566 // LIR_OpAllocObj
 567     case lir_alloc_object:
 568     {
 569       assert(op->as_OpAllocObj() != nullptr, "must be");
 570       LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
 571 
 572       if (opAllocObj->_info)                     do_info(opAllocObj->_info);
 573       if (opAllocObj->_opr->is_valid()) {        do_input(opAllocObj->_opr);
 574                                                  do_temp(opAllocObj->_opr);
 575                                         }
 576       if (opAllocObj->_tmp1->is_valid())         do_temp(opAllocObj->_tmp1);
 577       if (opAllocObj->_tmp2->is_valid())         do_temp(opAllocObj->_tmp2);
 578       if (opAllocObj->_tmp3->is_valid())         do_temp(opAllocObj->_tmp3);
 579       if (opAllocObj->_tmp4->is_valid())         do_temp(opAllocObj->_tmp4);
 580       if (opAllocObj->_result->is_valid())       do_output(opAllocObj->_result);
 581       if (opAllocObj->_stub != nullptr)          do_stub(opAllocObj->_stub);
 582       break;
 583     }
 584 
 585 
 586 // LIR_Op2
 587     case lir_cmp:
 588     case lir_cmp_l2i:
 589     case lir_ucmp_fd2i:
 590     case lir_cmp_fd2i:
 591     case lir_add:
 592     case lir_sub:
 593     case lir_rem:
 594     case lir_logic_and:
 595     case lir_logic_or:
 596     case lir_logic_xor:
 597     case lir_shl:
 598     case lir_shr:
 599     case lir_ushr:
 600     case lir_xadd:
 601     case lir_xchg:
 602     case lir_assert:
 603     {
 604       assert(op->as_Op2() != nullptr, "must be");
 605       LIR_Op2* op2 = (LIR_Op2*)op;
 606       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 607              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 608 
 609       if (op2->_info)                     do_info(op2->_info);
 610       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
 611       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
 612       if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
 613       if (op2->_result->is_valid())       do_output(op2->_result);
 614       if (op->code() == lir_xchg || op->code() == lir_xadd) {
 615         // on ARM and PPC, return value is loaded first so could
 616         // destroy inputs. On other platforms that implement those
 617         // (x86, sparc), the extra constrainsts are harmless.
 618         if (op2->_opr1->is_valid())       do_temp(op2->_opr1);
 619         if (op2->_opr2->is_valid())       do_temp(op2->_opr2);
 620       }
 621 
 622       break;
 623     }
 624 
 625     // special handling for cmove: right input operand must not be equal
 626     // to the result operand, otherwise the backend fails
 627     case lir_cmove:
 628     {
 629       assert(op->as_Op4() != nullptr, "must be");
 630       LIR_Op4* op4 = (LIR_Op4*)op;
 631 
 632       assert(op4->_info == nullptr && op4->_tmp1->is_illegal() && op4->_tmp2->is_illegal() &&
 633              op4->_tmp3->is_illegal() && op4->_tmp4->is_illegal() && op4->_tmp5->is_illegal(), "not used");
 634       assert(op4->_opr1->is_valid() && op4->_opr2->is_valid() && op4->_result->is_valid(), "used");
 635 
 636       do_input(op4->_opr1);
 637       do_input(op4->_opr2);
 638       if (op4->_opr3->is_valid()) do_input(op4->_opr3);
 639       if (op4->_opr4->is_valid()) do_input(op4->_opr4);
 640       do_temp(op4->_opr2);
 641       do_output(op4->_result);
 642 
 643       break;
 644     }
 645 
 646     // vspecial handling for strict operations: register input operands
 647     // as temp to guarantee that they do not overlap with other
 648     // registers
 649     case lir_mul:
 650     case lir_div:
 651     {
 652       assert(op->as_Op2() != nullptr, "must be");
 653       LIR_Op2* op2 = (LIR_Op2*)op;
 654 
 655       assert(op2->_info == nullptr, "not used");
 656       assert(op2->_opr1->is_valid(), "used");
 657       assert(op2->_opr2->is_valid(), "used");
 658       assert(op2->_result->is_valid(), "used");
 659       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 660              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 661 
 662       do_input(op2->_opr1); do_temp(op2->_opr1);
 663       do_input(op2->_opr2); do_temp(op2->_opr2);
 664       if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
 665       do_output(op2->_result);
 666 
 667       break;
 668     }
 669 
 670     case lir_throw: {
 671       assert(op->as_Op2() != nullptr, "must be");
 672       LIR_Op2* op2 = (LIR_Op2*)op;
 673 
 674       if (op2->_info)                     do_info(op2->_info);
 675       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
 676       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
 677       assert(op2->_result->is_illegal(), "no result");
 678       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 679              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 680 
 681       break;
 682     }
 683 
 684     case lir_unwind: {
 685       assert(op->as_Op1() != nullptr, "must be");
 686       LIR_Op1* op1 = (LIR_Op1*)op;
 687 
 688       assert(op1->_info == nullptr, "no info");
 689       assert(op1->_opr->is_valid(), "exception oop");         do_input(op1->_opr);
 690       assert(op1->_tmp->is_illegal(), "not used");
 691       assert(op1->_result->is_illegal(), "no result");
 692 
 693       break;
 694     }
 695 
 696 // LIR_Op3
 697     case lir_idiv:
 698     case lir_irem: {
 699       assert(op->as_Op3() != nullptr, "must be");
 700       LIR_Op3* op3= (LIR_Op3*)op;
 701 
 702       if (op3->_info)                     do_info(op3->_info);
 703       if (op3->_opr1->is_valid())         do_input(op3->_opr1);
 704 
 705       // second operand is input and temp, so ensure that second operand
 706       // and third operand get not the same register
 707       if (op3->_opr2->is_valid())         do_input(op3->_opr2);
 708       if (op3->_opr2->is_valid())         do_temp(op3->_opr2);
 709       if (op3->_opr3->is_valid())         do_temp(op3->_opr3);
 710 
 711       if (op3->_result->is_valid())       do_output(op3->_result);
 712 
 713       break;
 714     }
 715 
 716     case lir_fmad:
 717     case lir_fmaf: {
 718       assert(op->as_Op3() != nullptr, "must be");
 719       LIR_Op3* op3= (LIR_Op3*)op;
 720       assert(op3->_info == nullptr, "no info");
 721       do_input(op3->_opr1);
 722       do_input(op3->_opr2);
 723       do_input(op3->_opr3);
 724       do_output(op3->_result);
 725       break;
 726     }
 727 
 728 // LIR_OpJavaCall
 729     case lir_static_call:
 730     case lir_optvirtual_call:
 731     case lir_icvirtual_call:
 732     case lir_dynamic_call: {
 733       LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
 734       assert(opJavaCall != nullptr, "must be");
 735 
 736       if (opJavaCall->_receiver->is_valid())     do_input(opJavaCall->_receiver);
 737 
 738       // only visit register parameters
 739       int n = opJavaCall->_arguments->length();
 740       for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
 741         if (!opJavaCall->_arguments->at(i)->is_pointer()) {
 742           do_input(*opJavaCall->_arguments->adr_at(i));
 743         }
 744       }
 745 
 746       if (opJavaCall->_info)                     do_info(opJavaCall->_info);
 747       if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr &&
 748           opJavaCall->is_method_handle_invoke()) {
 749         opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
 750         do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
 751       }
 752       do_call();
 753       if (opJavaCall->_result->is_valid())       do_output(opJavaCall->_result);
 754 
 755       break;
 756     }
 757 
 758 
 759 // LIR_OpRTCall
 760     case lir_rtcall: {
 761       assert(op->as_OpRTCall() != nullptr, "must be");
 762       LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
 763 
 764       // only visit register parameters
 765       int n = opRTCall->_arguments->length();
 766       for (int i = 0; i < n; i++) {
 767         if (!opRTCall->_arguments->at(i)->is_pointer()) {
 768           do_input(*opRTCall->_arguments->adr_at(i));
 769         }
 770       }
 771       if (opRTCall->_info)                     do_info(opRTCall->_info);
 772       if (opRTCall->_tmp->is_valid())          do_temp(opRTCall->_tmp);
 773       do_call();
 774       if (opRTCall->_result->is_valid())       do_output(opRTCall->_result);
 775 
 776       break;
 777     }
 778 
 779 
 780 // LIR_OpArrayCopy
 781     case lir_arraycopy: {
 782       assert(op->as_OpArrayCopy() != nullptr, "must be");
 783       LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
 784 
 785       assert(opArrayCopy->_result->is_illegal(), "unused");
 786       assert(opArrayCopy->_src->is_valid(), "used");          do_input(opArrayCopy->_src);     do_temp(opArrayCopy->_src);
 787       assert(opArrayCopy->_src_pos->is_valid(), "used");      do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
 788       assert(opArrayCopy->_dst->is_valid(), "used");          do_input(opArrayCopy->_dst);     do_temp(opArrayCopy->_dst);
 789       assert(opArrayCopy->_dst_pos->is_valid(), "used");      do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
 790       assert(opArrayCopy->_length->is_valid(), "used");       do_input(opArrayCopy->_length);  do_temp(opArrayCopy->_length);
 791       assert(opArrayCopy->_tmp->is_valid(), "used");          do_temp(opArrayCopy->_tmp);
 792       if (opArrayCopy->_info)                     do_info(opArrayCopy->_info);
 793 
 794       // the implementation of arraycopy always has a call into the runtime
 795       do_call();
 796 
 797       break;
 798     }
 799 
 800 
 801 // LIR_OpUpdateCRC32
 802     case lir_updatecrc32: {
 803       assert(op->as_OpUpdateCRC32() != nullptr, "must be");
 804       LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
 805 
 806       assert(opUp->_crc->is_valid(), "used");          do_input(opUp->_crc);     do_temp(opUp->_crc);
 807       assert(opUp->_val->is_valid(), "used");          do_input(opUp->_val);     do_temp(opUp->_val);
 808       assert(opUp->_result->is_valid(), "used");       do_output(opUp->_result);
 809       assert(opUp->_info == nullptr, "no info for LIR_OpUpdateCRC32");
 810 
 811       break;
 812     }
 813 
 814 
 815 // LIR_OpLock
 816     case lir_lock:
 817     case lir_unlock: {
 818       assert(op->as_OpLock() != nullptr, "must be");
 819       LIR_OpLock* opLock = (LIR_OpLock*)op;
 820 
 821       if (opLock->_info)                          do_info(opLock->_info);
 822 
 823       // TODO: check if these operands really have to be temp
 824       // (or if input is sufficient). This may have influence on the oop map!
 825       assert(opLock->_lock->is_valid(), "used");  do_temp(opLock->_lock);
 826       assert(opLock->_hdr->is_valid(),  "used");  do_temp(opLock->_hdr);
 827       assert(opLock->_obj->is_valid(),  "used");  do_temp(opLock->_obj);
 828 
 829       if (opLock->_scratch->is_valid())           do_temp(opLock->_scratch);
 830       assert(opLock->_result->is_illegal(), "unused");
 831 
 832       do_stub(opLock->_stub);
 833       do_stub(opLock->_throw_ie_stub);
 834 
 835       break;
 836     }
 837 
 838 
 839 // LIR_OpTypeCheck
 840     case lir_instanceof:
 841     case lir_checkcast:
 842     case lir_store_check: {
 843       assert(op->as_OpTypeCheck() != nullptr, "must be");
 844       LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
 845 
 846       if (opTypeCheck->_info_for_exception)       do_info(opTypeCheck->_info_for_exception);
 847       if (opTypeCheck->_info_for_patch)           do_info(opTypeCheck->_info_for_patch);
 848       if (opTypeCheck->_object->is_valid())       do_input(opTypeCheck->_object);
 849       if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
 850         do_temp(opTypeCheck->_object);
 851       }
 852       if (opTypeCheck->_array->is_valid())        do_input(opTypeCheck->_array);
 853       if (opTypeCheck->_tmp1->is_valid())         do_temp(opTypeCheck->_tmp1);
 854       if (opTypeCheck->_tmp2->is_valid())         do_temp(opTypeCheck->_tmp2);
 855       if (opTypeCheck->_tmp3->is_valid())         do_temp(opTypeCheck->_tmp3);
 856       if (opTypeCheck->_result->is_valid())       do_output(opTypeCheck->_result);
 857       if (opTypeCheck->_stub != nullptr)          do_stub(opTypeCheck->_stub);
 858       break;
 859     }
 860 
 861 // LIR_OpFlattenedArrayCheck
 862     case lir_flat_array_check: {
 863       assert(op->as_OpFlattenedArrayCheck() != nullptr, "must be");
 864       LIR_OpFlattenedArrayCheck* opFlattenedArrayCheck = (LIR_OpFlattenedArrayCheck*)op;
 865 
 866       if (opFlattenedArrayCheck->_array->is_valid()) do_input(opFlattenedArrayCheck->_array);
 867       if (opFlattenedArrayCheck->_value->is_valid()) do_input(opFlattenedArrayCheck->_value);
 868       if (opFlattenedArrayCheck->_tmp->is_valid())   do_temp(opFlattenedArrayCheck->_tmp);
 869 
 870       do_stub(opFlattenedArrayCheck->_stub);
 871 
 872       break;
 873     }
 874 
 875 // LIR_OpNullFreeArrayCheck
 876     case lir_null_free_array_check: {
 877       assert(op->as_OpNullFreeArrayCheck() != nullptr, "must be");
 878       LIR_OpNullFreeArrayCheck* opNullFreeArrayCheck = (LIR_OpNullFreeArrayCheck*)op;
 879 
 880       if (opNullFreeArrayCheck->_array->is_valid()) do_input(opNullFreeArrayCheck->_array);
 881       if (opNullFreeArrayCheck->_tmp->is_valid())   do_temp(opNullFreeArrayCheck->_tmp);
 882       break;
 883     }
 884 
 885 // LIR_OpSubstitutabilityCheck
 886     case lir_substitutability_check: {
 887       assert(op->as_OpSubstitutabilityCheck() != nullptr, "must be");
 888       LIR_OpSubstitutabilityCheck* opSubstitutabilityCheck = (LIR_OpSubstitutabilityCheck*)op;
 889                                                                 do_input(opSubstitutabilityCheck->_left);
 890                                                                 do_temp (opSubstitutabilityCheck->_left);
 891                                                                 do_input(opSubstitutabilityCheck->_right);
 892                                                                 do_temp (opSubstitutabilityCheck->_right);
 893                                                                 do_input(opSubstitutabilityCheck->_equal_result);
 894                                                                 do_temp (opSubstitutabilityCheck->_equal_result);
 895                                                                 do_input(opSubstitutabilityCheck->_not_equal_result);
 896                                                                 do_temp (opSubstitutabilityCheck->_not_equal_result);
 897       if (opSubstitutabilityCheck->_tmp1->is_valid())           do_temp(opSubstitutabilityCheck->_tmp1);
 898       if (opSubstitutabilityCheck->_tmp2->is_valid())           do_temp(opSubstitutabilityCheck->_tmp2);
 899       if (opSubstitutabilityCheck->_left_klass_op->is_valid())  do_temp(opSubstitutabilityCheck->_left_klass_op);
 900       if (opSubstitutabilityCheck->_right_klass_op->is_valid()) do_temp(opSubstitutabilityCheck->_right_klass_op);
 901       if (opSubstitutabilityCheck->_result->is_valid())         do_output(opSubstitutabilityCheck->_result);
 902 
 903       do_info(opSubstitutabilityCheck->_info);
 904       do_stub(opSubstitutabilityCheck->_stub);
 905       break;
 906     }
 907 
 908 // LIR_OpCompareAndSwap
 909     case lir_cas_long:
 910     case lir_cas_obj:
 911     case lir_cas_int: {
 912       assert(op->as_OpCompareAndSwap() != nullptr, "must be");
 913       LIR_OpCompareAndSwap* opCmpAndSwap = (LIR_OpCompareAndSwap*)op;
 914 
 915       if (opCmpAndSwap->_info)                              do_info(opCmpAndSwap->_info);
 916       assert(opCmpAndSwap->_addr->is_valid(), "used");      do_input(opCmpAndSwap->_addr);
 917                                                             do_temp(opCmpAndSwap->_addr);
 918       assert(opCmpAndSwap->_cmp_value->is_valid(), "used"); do_input(opCmpAndSwap->_cmp_value);
 919                                                             do_temp(opCmpAndSwap->_cmp_value);
 920       assert(opCmpAndSwap->_new_value->is_valid(), "used"); do_input(opCmpAndSwap->_new_value);
 921                                                             do_temp(opCmpAndSwap->_new_value);
 922       if (opCmpAndSwap->_tmp1->is_valid())                  do_temp(opCmpAndSwap->_tmp1);
 923       if (opCmpAndSwap->_tmp2->is_valid())                  do_temp(opCmpAndSwap->_tmp2);
 924       if (opCmpAndSwap->_result->is_valid())                do_output(opCmpAndSwap->_result);
 925 
 926       break;
 927     }
 928 
 929 
 930 // LIR_OpAllocArray;
 931     case lir_alloc_array: {
 932       assert(op->as_OpAllocArray() != nullptr, "must be");
 933       LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
 934 
 935       if (opAllocArray->_info)                        do_info(opAllocArray->_info);
 936       if (opAllocArray->_klass->is_valid()) {         do_input(opAllocArray->_klass);
 937                                                       do_temp(opAllocArray->_klass);
 938                                             }
 939       if (opAllocArray->_len->is_valid())   {         do_input(opAllocArray->_len);
 940                                                       do_temp(opAllocArray->_len);
 941                                             }
 942       if (opAllocArray->_tmp1->is_valid())            do_temp(opAllocArray->_tmp1);
 943       if (opAllocArray->_tmp2->is_valid())            do_temp(opAllocArray->_tmp2);
 944       if (opAllocArray->_tmp3->is_valid())            do_temp(opAllocArray->_tmp3);
 945       if (opAllocArray->_tmp4->is_valid())            do_temp(opAllocArray->_tmp4);
 946       if (opAllocArray->_result->is_valid())          do_output(opAllocArray->_result);
 947       if (opAllocArray->_stub != nullptr)             do_stub(opAllocArray->_stub);
 948       break;
 949     }
 950 
 951 // LIR_OpLoadKlass
 952     case lir_load_klass:
 953     {
 954       LIR_OpLoadKlass* opLoadKlass = op->as_OpLoadKlass();
 955       assert(opLoadKlass != nullptr, "must be");
 956 
 957       do_input(opLoadKlass->_obj);
 958       do_output(opLoadKlass->_result);
 959       if (opLoadKlass->_info) do_info(opLoadKlass->_info);
 960       break;
 961     }
 962 
 963 
 964 // LIR_OpProfileCall:
 965     case lir_profile_call: {
 966       assert(op->as_OpProfileCall() != nullptr, "must be");
 967       LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
 968 
 969       if (opProfileCall->_recv->is_valid())              do_temp(opProfileCall->_recv);
 970       assert(opProfileCall->_mdo->is_valid(), "used");   do_temp(opProfileCall->_mdo);
 971       assert(opProfileCall->_tmp1->is_valid(), "used");  do_temp(opProfileCall->_tmp1);
 972       break;
 973     }
 974 
 975 // LIR_OpProfileType:
 976     case lir_profile_type: {
 977       assert(op->as_OpProfileType() != nullptr, "must be");
 978       LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
 979 
 980       do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
 981       do_input(opProfileType->_obj);
 982       do_temp(opProfileType->_tmp);
 983       break;
 984     }
 985 
 986     // LIR_OpProfileInlineType:
 987     case lir_profile_inline_type: {
 988       assert(op->as_OpProfileInlineType() != nullptr, "must be");
 989       LIR_OpProfileInlineType* opProfileInlineType = (LIR_OpProfileInlineType*)op;
 990 
 991       do_input(opProfileInlineType->_mdp); do_temp(opProfileInlineType->_mdp);
 992       do_input(opProfileInlineType->_obj);
 993       do_temp(opProfileInlineType->_tmp);
 994       break;
 995     }
 996 default:
 997     op->visit(this);
 998   }
 999 }
1000 
1001 void LIR_Op::visit(LIR_OpVisitState* state) {
1002   ShouldNotReachHere();
1003 }
1004 
1005 void LIR_OpVisitState::do_stub(CodeStub* stub) {
1006   if (stub != nullptr) {
1007     stub->visit(this);
1008   }
1009 }
1010 
1011 XHandlers* LIR_OpVisitState::all_xhandler() {
1012   XHandlers* result = nullptr;
1013 
1014   int i;
1015   for (i = 0; i < info_count(); i++) {
1016     if (info_at(i)->exception_handlers() != nullptr) {
1017       result = info_at(i)->exception_handlers();
1018       break;
1019     }
1020   }
1021 
1022 #ifdef ASSERT
1023   for (i = 0; i < info_count(); i++) {
1024     assert(info_at(i)->exception_handlers() == nullptr ||
1025            info_at(i)->exception_handlers() == result,
1026            "only one xhandler list allowed per LIR-operation");
1027   }
1028 #endif
1029 
1030   if (result != nullptr) {
1031     return result;
1032   } else {
1033     return new XHandlers();
1034   }
1035 
1036   return result;
1037 }
1038 
1039 
1040 #ifdef ASSERT
1041 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
1042   visit(op);
1043 
1044   return opr_count(inputMode) == 0 &&
1045          opr_count(outputMode) == 0 &&
1046          opr_count(tempMode) == 0 &&
1047          info_count() == 0 &&
1048          !has_call() &&
1049          !has_slow_case();
1050 }
1051 #endif
1052 
1053 // LIR_OpReturn
1054 LIR_OpReturn::LIR_OpReturn(LIR_Opr opr) :
1055     LIR_Op1(lir_return, opr, (CodeEmitInfo*)nullptr /* info */),
1056     _stub(nullptr) {
1057   if (VM_Version::supports_stack_watermark_barrier()) {
1058     _stub = new C1SafepointPollStub();
1059   }
1060 }
1061 
1062 //---------------------------------------------------
1063 
1064 
1065 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
1066   masm->emit_call(this);
1067 }
1068 
1069 bool LIR_OpJavaCall::maybe_return_as_fields(ciInlineKlass** vk_ret) const {
1070   ciType* return_type = method()->return_type();
1071   if (InlineTypeReturnedAsFields) {
1072     if (return_type->is_inlinetype()) {
1073       ciInlineKlass* vk = return_type->as_inline_klass();
1074       if (vk->can_be_returned_as_fields()) {
1075         if (vk_ret != nullptr) {
1076           *vk_ret = vk;
1077         }
1078         return true;
1079       }
1080     } else if (return_type->is_instance_klass() &&
1081                (method()->is_method_handle_intrinsic() || !return_type->is_loaded() ||
1082                 StressCallingConvention)) {
1083       // An inline type might be returned from the call but we don't know its type.
1084       // This can happen with method handle intrinsics or when the return type is
1085       // not loaded (method holder is not loaded or preload attribute is missing).
1086       // If an inline type is returned, we either get an oop to a buffer and nothing
1087       // needs to be done or one of the values being returned is the klass of the
1088       // inline type (RAX on x64, with LSB set to 1) and we need to allocate an inline
1089       // type instance of that type and initialize it with the fields values being
1090       // returned in other registers.
1091       return true;
1092     }
1093   }
1094   return false;
1095 }
1096 
1097 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
1098   masm->emit_rtcall(this);
1099 }
1100 
1101 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
1102   masm->emit_opLabel(this);
1103 }
1104 
1105 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
1106   masm->emit_arraycopy(this);
1107   ArrayCopyStub* code_stub = stub();
1108   if (code_stub != nullptr) {
1109     masm->append_code_stub(code_stub);
1110   }
1111 }
1112 
1113 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
1114   masm->emit_updatecrc32(this);
1115 }
1116 
1117 void LIR_Op0::emit_code(LIR_Assembler* masm) {
1118   masm->emit_op0(this);
1119 }
1120 
1121 void LIR_Op1::emit_code(LIR_Assembler* masm) {
1122   masm->emit_op1(this);
1123 }
1124 
1125 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
1126   masm->emit_alloc_obj(this);
1127   masm->append_code_stub(stub());
1128 }
1129 
1130 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
1131   masm->emit_opBranch(this);
1132   if (stub()) {
1133     masm->append_code_stub(stub());
1134   }
1135 }
1136 
1137 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
1138   masm->emit_opConvert(this);
1139   if (stub() != nullptr) {
1140     masm->append_code_stub(stub());
1141   }
1142 }
1143 
1144 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1145   masm->emit_op2(this);
1146 }
1147 
1148 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1149   masm->emit_alloc_array(this);
1150   masm->append_code_stub(stub());
1151 }
1152 
1153 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1154   masm->emit_opTypeCheck(this);
1155   if (stub()) {
1156     masm->append_code_stub(stub());
1157   }
1158 }
1159 
1160 void LIR_OpFlattenedArrayCheck::emit_code(LIR_Assembler* masm) {
1161   masm->emit_opFlattenedArrayCheck(this);
1162   if (stub() != nullptr) {
1163     masm->append_code_stub(stub());
1164   }
1165 }
1166 
1167 void LIR_OpNullFreeArrayCheck::emit_code(LIR_Assembler* masm) {
1168   masm->emit_opNullFreeArrayCheck(this);
1169 }
1170 
1171 void LIR_OpSubstitutabilityCheck::emit_code(LIR_Assembler* masm) {
1172   masm->emit_opSubstitutabilityCheck(this);
1173   if (stub() != nullptr) {
1174     masm->append_code_stub(stub());
1175   }
1176 }
1177 
1178 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1179   masm->emit_compare_and_swap(this);
1180 }
1181 
1182 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1183   masm->emit_op3(this);
1184 }
1185 
1186 void LIR_Op4::emit_code(LIR_Assembler* masm) {
1187   masm->emit_op4(this);
1188 }
1189 
1190 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1191   masm->emit_lock(this);
1192   if (stub()) {
1193     masm->append_code_stub(stub());
1194   }
1195   if (throw_ie_stub()) {
1196     masm->append_code_stub(throw_ie_stub());
1197   }
1198 }
1199 
1200 void LIR_OpLoadKlass::emit_code(LIR_Assembler* masm) {
1201   masm->emit_load_klass(this);
1202 }
1203 
1204 #ifdef ASSERT
1205 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1206   masm->emit_assert(this);
1207 }
1208 #endif
1209 
1210 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1211   masm->emit_profile_call(this);
1212 }
1213 
1214 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1215   masm->emit_profile_type(this);
1216 }
1217 
1218 void LIR_OpProfileInlineType::emit_code(LIR_Assembler* masm) {
1219   masm->emit_profile_inline_type(this);
1220 }
1221 
1222 // LIR_List
1223 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1224   : _operations(8)
1225   , _compilation(compilation)
1226 #ifndef PRODUCT
1227   , _block(block)
1228 #endif
1229 #ifdef ASSERT
1230   , _file(nullptr)
1231   , _line(0)
1232 #endif
1233 #ifdef RISCV
1234   , _cmp_opr1(LIR_OprFact::illegalOpr)
1235   , _cmp_opr2(LIR_OprFact::illegalOpr)
1236 #endif
1237 { }
1238 
1239 
1240 #ifdef ASSERT
1241 void LIR_List::set_file_and_line(const char * file, int line) {
1242   const char * f = strrchr(file, '/');
1243   if (f == nullptr) f = strrchr(file, '\\');
1244   if (f == nullptr) {
1245     f = file;
1246   } else {
1247     f++;
1248   }
1249   _file = f;
1250   _line = line;
1251 }
1252 #endif
1253 
1254 #ifdef RISCV
1255 void LIR_List::set_cmp_oprs(LIR_Op* op) {
1256   switch (op->code()) {
1257     case lir_cmp:
1258       _cmp_opr1 = op->as_Op2()->in_opr1();
1259       _cmp_opr2 = op->as_Op2()->in_opr2();
1260       break;
1261     case lir_branch: // fall through
1262     case lir_cond_float_branch:
1263       assert(op->as_OpBranch()->cond() == lir_cond_always ||
1264             (_cmp_opr1 != LIR_OprFact::illegalOpr && _cmp_opr2 != LIR_OprFact::illegalOpr),
1265             "conditional branches must have legal operands");
1266       if (op->as_OpBranch()->cond() != lir_cond_always) {
1267         op->as_Op2()->set_in_opr1(_cmp_opr1);
1268         op->as_Op2()->set_in_opr2(_cmp_opr2);
1269       }
1270       break;
1271     case lir_cmove:
1272       op->as_Op4()->set_in_opr3(_cmp_opr1);
1273       op->as_Op4()->set_in_opr4(_cmp_opr2);
1274       break;
1275     case lir_cas_long:
1276     case lir_cas_obj:
1277     case lir_cas_int:
1278       _cmp_opr1 = op->as_OpCompareAndSwap()->result_opr();
1279       _cmp_opr2 = LIR_OprFact::intConst(0);
1280       break;
1281 #if INCLUDE_ZGC
1282     case lir_xloadbarrier_test:
1283       _cmp_opr1 = FrameMap::as_opr(t1);
1284       _cmp_opr2 = LIR_OprFact::intConst(0);
1285       break;
1286 #endif
1287     default:
1288       break;
1289   }
1290 }
1291 #endif
1292 
1293 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1294   assert(this == buffer->lir_list(), "wrong lir list");
1295   const int n = _operations.length();
1296 
1297   if (buffer->number_of_ops() > 0) {
1298     // increase size of instructions list
1299     _operations.at_grow(n + buffer->number_of_ops() - 1, nullptr);
1300     // insert ops from buffer into instructions list
1301     int op_index = buffer->number_of_ops() - 1;
1302     int ip_index = buffer->number_of_insertion_points() - 1;
1303     int from_index = n - 1;
1304     int to_index = _operations.length() - 1;
1305     for (; ip_index >= 0; ip_index --) {
1306       int index = buffer->index_at(ip_index);
1307       // make room after insertion point
1308       while (index < from_index) {
1309         _operations.at_put(to_index --, _operations.at(from_index --));
1310       }
1311       // insert ops from buffer
1312       for (int i = buffer->count_at(ip_index); i > 0; i --) {
1313         _operations.at_put(to_index --, buffer->op_at(op_index --));
1314       }
1315     }
1316   }
1317 
1318   buffer->finish();
1319 }
1320 
1321 
1322 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1323   assert(reg->type() == T_OBJECT, "bad reg");
1324   append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o),  reg, T_OBJECT, lir_patch_normal, info));
1325 }
1326 
1327 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1328   assert(reg->type() == T_METADATA, "bad reg");
1329   append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1330 }
1331 
1332 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1333   append(new LIR_Op1(
1334             lir_move,
1335             LIR_OprFact::address(addr),
1336             src,
1337             addr->type(),
1338             patch_code,
1339             info));
1340 }
1341 
1342 
1343 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1344   append(new LIR_Op1(
1345             lir_move,
1346             LIR_OprFact::address(address),
1347             dst,
1348             address->type(),
1349             patch_code,
1350             info, lir_move_volatile));
1351 }
1352 
1353 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1354   append(new LIR_Op1(
1355             lir_move,
1356             LIR_OprFact::address(new LIR_Address(base, offset, type)),
1357             dst,
1358             type,
1359             patch_code,
1360             info, lir_move_volatile));
1361 }
1362 
1363 
1364 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1365   append(new LIR_Op1(
1366             lir_move,
1367             LIR_OprFact::intConst(v),
1368             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1369             type,
1370             patch_code,
1371             info));
1372 }
1373 
1374 
1375 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1376   append(new LIR_Op1(
1377             lir_move,
1378             LIR_OprFact::oopConst(o),
1379             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1380             type,
1381             patch_code,
1382             info));
1383 }
1384 
1385 
1386 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1387   append(new LIR_Op1(
1388             lir_move,
1389             src,
1390             LIR_OprFact::address(addr),
1391             addr->type(),
1392             patch_code,
1393             info));
1394 }
1395 
1396 
1397 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1398   append(new LIR_Op1(
1399             lir_move,
1400             src,
1401             LIR_OprFact::address(addr),
1402             addr->type(),
1403             patch_code,
1404             info,
1405             lir_move_volatile));
1406 }
1407 
1408 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1409   append(new LIR_Op1(
1410             lir_move,
1411             src,
1412             LIR_OprFact::address(new LIR_Address(base, offset, type)),
1413             type,
1414             patch_code,
1415             info, lir_move_volatile));
1416 }
1417 
1418 
1419 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1420   append(new LIR_Op3(
1421                     lir_idiv,
1422                     left,
1423                     right,
1424                     tmp,
1425                     res,
1426                     info));
1427 }
1428 
1429 
1430 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1431   append(new LIR_Op3(
1432                     lir_idiv,
1433                     left,
1434                     LIR_OprFact::intConst(right),
1435                     tmp,
1436                     res,
1437                     info));
1438 }
1439 
1440 
1441 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1442   append(new LIR_Op3(
1443                     lir_irem,
1444                     left,
1445                     right,
1446                     tmp,
1447                     res,
1448                     info));
1449 }
1450 
1451 
1452 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1453   append(new LIR_Op3(
1454                     lir_irem,
1455                     left,
1456                     LIR_OprFact::intConst(right),
1457                     tmp,
1458                     res,
1459                     info));
1460 }
1461 
1462 
1463 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1464   append(new LIR_Op2(
1465                     lir_cmp,
1466                     condition,
1467                     LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1468                     LIR_OprFact::intConst(c),
1469                     info));
1470 }
1471 
1472 
1473 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1474   append(new LIR_Op2(
1475                     lir_cmp,
1476                     condition,
1477                     reg,
1478                     LIR_OprFact::address(addr),
1479                     info));
1480 }
1481 
1482 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1483                                int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1484   append(new LIR_OpAllocObj(
1485                            klass,
1486                            dst,
1487                            t1,
1488                            t2,
1489                            t3,
1490                            t4,
1491                            header_size,
1492                            object_size,
1493                            init_check,
1494                            stub));
1495 }
1496 
1497 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, bool zero_array, bool always_slow_path) {
1498   append(new LIR_OpAllocArray(
1499                            klass,
1500                            len,
1501                            dst,
1502                            t1,
1503                            t2,
1504                            t3,
1505                            t4,
1506                            type,
1507                            stub,
1508                            zero_array,
1509                            always_slow_path));
1510 }
1511 
1512 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1513  append(new LIR_Op2(
1514                     lir_shl,
1515                     value,
1516                     count,
1517                     dst,
1518                     tmp));
1519 }
1520 
1521 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1522  append(new LIR_Op2(
1523                     lir_shr,
1524                     value,
1525                     count,
1526                     dst,
1527                     tmp));
1528 }
1529 
1530 
1531 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1532  append(new LIR_Op2(
1533                     lir_ushr,
1534                     value,
1535                     count,
1536                     dst,
1537                     tmp));
1538 }
1539 
1540 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1541   append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1542                      left,
1543                      right,
1544                      dst));
1545 }
1546 
1547 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info, CodeStub* throw_ie_stub) {
1548   append(new LIR_OpLock(
1549                     lir_lock,
1550                     hdr,
1551                     obj,
1552                     lock,
1553                     scratch,
1554                     stub,
1555                     info,
1556                     throw_ie_stub));
1557 }
1558 
1559 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1560   append(new LIR_OpLock(
1561                     lir_unlock,
1562                     hdr,
1563                     obj,
1564                     lock,
1565                     scratch,
1566                     stub,
1567                     nullptr));
1568 }
1569 
1570 
1571 void check_LIR() {
1572   // cannot do the proper checking as PRODUCT and other modes return different results
1573   // guarantee(sizeof(LIR_Opr) == wordSize, "may not have a v-table");
1574 }
1575 
1576 
1577 
1578 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1579                           LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1580                           CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1581                           ciMethod* profiled_method, int profiled_bci, bool is_null_free) {
1582   // If klass is non-nullable,  LIRGenerator::do_CheckCast has already performed null-check
1583   // on the object.
1584   bool need_null_check = !is_null_free;
1585   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1586                                            tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub,
1587                                            need_null_check);
1588   if (profiled_method != nullptr && TypeProfileCasts) {
1589     c->set_profiled_method(profiled_method);
1590     c->set_profiled_bci(profiled_bci);
1591     c->set_should_profile(true);
1592   }
1593   append(c);
1594 }
1595 
1596 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) {
1597   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, nullptr, info_for_patch, nullptr);
1598   if (profiled_method != nullptr && TypeProfileCasts) {
1599     c->set_profiled_method(profiled_method);
1600     c->set_profiled_bci(profiled_bci);
1601     c->set_should_profile(true);
1602   }
1603   append(c);
1604 }
1605 
1606 
1607 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1608                            CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1609   // FIXME -- if the types of the array and/or the object are known statically, we can avoid loading the klass
1610   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1611   if (profiled_method != nullptr && TypeProfileCasts) {
1612     c->set_profiled_method(profiled_method);
1613     c->set_profiled_bci(profiled_bci);
1614     c->set_should_profile(true);
1615   }
1616   append(c);
1617 }
1618 
1619 void LIR_List::null_check(LIR_Opr opr, CodeEmitInfo* info, bool deoptimize_on_null) {
1620   if (deoptimize_on_null) {
1621     // Emit an explicit null check and deoptimize if opr is null
1622     CodeStub* deopt = new DeoptimizeStub(info, Deoptimization::Reason_null_check, Deoptimization::Action_none);
1623     cmp(lir_cond_equal, opr, LIR_OprFact::oopConst(nullptr));
1624     branch(lir_cond_equal, deopt);
1625   } else {
1626     // Emit an implicit null check
1627     append(new LIR_Op1(lir_null_check, opr, info));
1628   }
1629 }
1630 
1631 void LIR_List::check_flat_array(LIR_Opr array, LIR_Opr value, LIR_Opr tmp, CodeStub* stub) {
1632   LIR_OpFlattenedArrayCheck* c = new LIR_OpFlattenedArrayCheck(array, value, tmp, stub);
1633   append(c);
1634 }
1635 
1636 void LIR_List::check_null_free_array(LIR_Opr array, LIR_Opr tmp) {
1637   LIR_OpNullFreeArrayCheck* c = new LIR_OpNullFreeArrayCheck(array, tmp);
1638   append(c);
1639 }
1640 
1641 void LIR_List::substitutability_check(LIR_Opr result, LIR_Opr left, LIR_Opr right, LIR_Opr equal_result, LIR_Opr not_equal_result,
1642                                       LIR_Opr tmp1, LIR_Opr tmp2,
1643                                       ciKlass* left_klass, ciKlass* right_klass, LIR_Opr left_klass_op, LIR_Opr right_klass_op,
1644                                       CodeEmitInfo* info, CodeStub* stub) {
1645   LIR_OpSubstitutabilityCheck* c = new LIR_OpSubstitutabilityCheck(result, left, right, equal_result, not_equal_result,
1646                                                                    tmp1, tmp2,
1647                                                                    left_klass, right_klass, left_klass_op, right_klass_op,
1648                                                                    info, stub);
1649   append(c);
1650 }
1651 
1652 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1653                         LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1654   append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1655 }
1656 
1657 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1658                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1659   append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1660 }
1661 
1662 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1663                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1664   append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1665 }
1666 
1667 
1668 #ifdef PRODUCT
1669 
1670 void print_LIR(BlockList* blocks) {
1671 }
1672 
1673 #else
1674 // LIR_Opr
1675 void LIR_Opr::print() const {
1676   print(tty);
1677 }
1678 
1679 void LIR_Opr::print(outputStream* out) const {
1680   if (is_illegal()) {
1681     return;
1682   }
1683 
1684   out->print("[");
1685   if (is_pointer()) {
1686     pointer()->print_value_on(out);
1687   } else if (is_single_stack()) {
1688     out->print("stack:%d", single_stack_ix());
1689   } else if (is_double_stack()) {
1690     out->print("dbl_stack:%d",double_stack_ix());
1691   } else if (is_virtual()) {
1692     out->print("R%d", vreg_number());
1693   } else if (is_single_cpu()) {
1694     out->print("%s", as_register()->name());
1695   } else if (is_double_cpu()) {
1696     out->print("%s", as_register_hi()->name());
1697     out->print("%s", as_register_lo()->name());
1698 #if defined(X86)
1699   } else if (is_single_xmm()) {
1700     out->print("%s", as_xmm_float_reg()->name());
1701   } else if (is_double_xmm()) {
1702     out->print("%s", as_xmm_double_reg()->name());
1703   } else if (is_single_fpu()) {
1704     out->print("fpu%d", fpu_regnr());
1705   } else if (is_double_fpu()) {
1706     out->print("fpu%d", fpu_regnrLo());
1707 #elif defined(AARCH64)
1708   } else if (is_single_fpu()) {
1709     out->print("fpu%d", fpu_regnr());
1710   } else if (is_double_fpu()) {
1711     out->print("fpu%d", fpu_regnrLo());
1712 #elif defined(ARM)
1713   } else if (is_single_fpu()) {
1714     out->print("s%d", fpu_regnr());
1715   } else if (is_double_fpu()) {
1716     out->print("d%d", fpu_regnrLo() >> 1);
1717 #else
1718   } else if (is_single_fpu()) {
1719     out->print("%s", as_float_reg()->name());
1720   } else if (is_double_fpu()) {
1721     out->print("%s", as_double_reg()->name());
1722 #endif
1723 
1724   } else if (is_illegal()) {
1725     out->print("-");
1726   } else {
1727     out->print("Unknown Operand");
1728   }
1729   if (!is_illegal()) {
1730     out->print("|%c", type_char());
1731   }
1732   if (is_register() && is_last_use()) {
1733     out->print("(last_use)");
1734   }
1735   out->print("]");
1736 }
1737 
1738 
1739 // LIR_Address
1740 void LIR_Const::print_value_on(outputStream* out) const {
1741   switch (type()) {
1742     case T_ADDRESS:out->print("address:%d",as_jint());          break;
1743     case T_INT:    out->print("int:%d",   as_jint());           break;
1744     case T_LONG:   out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1745     case T_FLOAT:  out->print("flt:%f",   as_jfloat());         break;
1746     case T_DOUBLE: out->print("dbl:%f",   as_jdouble());        break;
1747     case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject()));        break;
1748     case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1749     default:       out->print("%3d:" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1750   }
1751 }
1752 
1753 // LIR_Address
1754 void LIR_Address::print_value_on(outputStream* out) const {
1755   out->print("Base:"); _base->print(out);
1756   if (!_index->is_illegal()) {
1757     out->print(" Index:"); _index->print(out);
1758     switch (scale()) {
1759     case times_1: break;
1760     case times_2: out->print(" * 2"); break;
1761     case times_4: out->print(" * 4"); break;
1762     case times_8: out->print(" * 8"); break;
1763     }
1764   }
1765   out->print(" Disp: %zd", _disp);
1766 }
1767 
1768 // debug output of block header without InstructionPrinter
1769 //       (because phi functions are not necessary for LIR)
1770 static void print_block(BlockBegin* x) {
1771   // print block id
1772   BlockEnd* end = x->end();
1773   tty->print("B%d ", x->block_id());
1774 
1775   // print flags
1776   if (x->is_set(BlockBegin::std_entry_flag))               tty->print("std ");
1777   if (x->is_set(BlockBegin::osr_entry_flag))               tty->print("osr ");
1778   if (x->is_set(BlockBegin::exception_entry_flag))         tty->print("ex ");
1779   if (x->is_set(BlockBegin::subroutine_entry_flag))        tty->print("jsr ");
1780   if (x->is_set(BlockBegin::backward_branch_target_flag))  tty->print("bb ");
1781   if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1782   if (x->is_set(BlockBegin::linear_scan_loop_end_flag))    tty->print("le ");
1783 
1784   // print block bci range
1785   tty->print("[%d, %d] ", x->bci(), (end == nullptr ? -1 : end->printable_bci()));
1786 
1787   // print predecessors and successors
1788   if (x->number_of_preds() > 0) {
1789     tty->print("preds: ");
1790     for (int i = 0; i < x->number_of_preds(); i ++) {
1791       tty->print("B%d ", x->pred_at(i)->block_id());
1792     }
1793   }
1794 
1795   if (end != nullptr && x->number_of_sux() > 0) {
1796     tty->print("sux: ");
1797     for (int i = 0; i < x->number_of_sux(); i ++) {
1798       tty->print("B%d ", x->sux_at(i)->block_id());
1799     }
1800   }
1801 
1802   // print exception handlers
1803   if (x->number_of_exception_handlers() > 0) {
1804     tty->print("xhandler: ");
1805     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
1806       tty->print("B%d ", x->exception_handler_at(i)->block_id());
1807     }
1808   }
1809 
1810   tty->cr();
1811 }
1812 
1813 void print_LIR(BlockList* blocks) {
1814   tty->print_cr("LIR:");
1815   int i;
1816   for (i = 0; i < blocks->length(); i++) {
1817     BlockBegin* bb = blocks->at(i);
1818     print_block(bb);
1819     tty->print("__id_Instruction___________________________________________"); tty->cr();
1820     bb->lir()->print_instructions();
1821   }
1822 }
1823 
1824 void LIR_List::print_instructions() {
1825   for (int i = 0; i < _operations.length(); i++) {
1826     _operations.at(i)->print(); tty->cr();
1827   }
1828   tty->cr();
1829 }
1830 
1831 // LIR_Ops printing routines
1832 // LIR_Op
1833 void LIR_Op::print_on(outputStream* out) const {
1834   if (id() != -1 || PrintCFGToFile) {
1835     out->print("%4d ", id());
1836   } else {
1837     out->print("     ");
1838   }
1839   out->print("%s ", name());
1840   print_instr(out);
1841   if (info() != nullptr) out->print(" [bci:%d]", info()->stack()->bci());
1842 #ifdef ASSERT
1843   if (Verbose && _file != nullptr) {
1844     out->print(" (%s:%d)", _file, _line);
1845   }
1846 #endif
1847 }
1848 
1849 const char * LIR_Op::name() const {
1850   const char* s = nullptr;
1851   switch(code()) {
1852      // LIR_Op0
1853      case lir_membar:                s = "membar";        break;
1854      case lir_membar_acquire:        s = "membar_acquire"; break;
1855      case lir_membar_release:        s = "membar_release"; break;
1856      case lir_membar_loadload:       s = "membar_loadload";   break;
1857      case lir_membar_storestore:     s = "membar_storestore"; break;
1858      case lir_membar_loadstore:      s = "membar_loadstore";  break;
1859      case lir_membar_storeload:      s = "membar_storeload";  break;
1860      case lir_label:                 s = "label";         break;
1861      case lir_nop:                   s = "nop";           break;
1862      case lir_on_spin_wait:          s = "on_spin_wait";  break;
1863      case lir_std_entry:             s = "std_entry";     break;
1864      case lir_osr_entry:             s = "osr_entry";     break;
1865      case lir_breakpoint:            s = "breakpoint";    break;
1866      case lir_get_thread:            s = "get_thread";    break;
1867      case lir_check_orig_pc:         s = "check_orig_pc"; break;
1868      // LIR_Op1
1869      case lir_push:                  s = "push";          break;
1870      case lir_pop:                   s = "pop";           break;
1871      case lir_null_check:            s = "null_check";    break;
1872      case lir_return:                s = "return";        break;
1873      case lir_safepoint:             s = "safepoint";     break;
1874      case lir_leal:                  s = "leal";          break;
1875      case lir_branch:                s = "branch";        break;
1876      case lir_cond_float_branch:     s = "flt_cond_br";   break;
1877      case lir_move:                  s = "move";          break;
1878      case lir_abs:                   s = "abs";           break;
1879      case lir_neg:                   s = "neg";           break;
1880      case lir_sqrt:                  s = "sqrt";          break;
1881      case lir_f2hf:                  s = "f2hf";          break;
1882      case lir_hf2f:                  s = "hf2f";          break;
1883      case lir_rtcall:                s = "rtcall";        break;
1884      case lir_throw:                 s = "throw";         break;
1885      case lir_unwind:                s = "unwind";        break;
1886      case lir_convert:               s = "convert";       break;
1887      case lir_alloc_object:          s = "alloc_obj";     break;
1888      case lir_monaddr:               s = "mon_addr";      break;
1889      // LIR_Op2
1890      case lir_cmp:                   s = "cmp";           break;
1891      case lir_cmp_l2i:               s = "cmp_l2i";       break;
1892      case lir_ucmp_fd2i:             s = "ucomp_fd2i";    break;
1893      case lir_cmp_fd2i:              s = "comp_fd2i";     break;
1894      case lir_add:                   s = "add";           break;
1895      case lir_sub:                   s = "sub";           break;
1896      case lir_mul:                   s = "mul";           break;
1897      case lir_div:                   s = "div";           break;
1898      case lir_rem:                   s = "rem";           break;
1899      case lir_logic_and:             s = "logic_and";     break;
1900      case lir_logic_or:              s = "logic_or";      break;
1901      case lir_logic_xor:             s = "logic_xor";     break;
1902      case lir_shl:                   s = "shift_left";    break;
1903      case lir_shr:                   s = "shift_right";   break;
1904      case lir_ushr:                  s = "ushift_right";  break;
1905      case lir_alloc_array:           s = "alloc_array";   break;
1906      case lir_xadd:                  s = "xadd";          break;
1907      case lir_xchg:                  s = "xchg";          break;
1908      // LIR_Op3
1909      case lir_idiv:                  s = "idiv";          break;
1910      case lir_irem:                  s = "irem";          break;
1911      case lir_fmad:                  s = "fmad";          break;
1912      case lir_fmaf:                  s = "fmaf";          break;
1913      // LIR_Op4
1914      case lir_cmove:                 s = "cmove";         break;
1915      // LIR_OpJavaCall
1916      case lir_static_call:           s = "static";        break;
1917      case lir_optvirtual_call:       s = "optvirtual";    break;
1918      case lir_icvirtual_call:        s = "icvirtual";     break;
1919      case lir_dynamic_call:          s = "dynamic";       break;
1920      // LIR_OpArrayCopy
1921      case lir_arraycopy:             s = "arraycopy";     break;
1922      // LIR_OpUpdateCRC32
1923      case lir_updatecrc32:           s = "updatecrc32";   break;
1924      // LIR_OpLock
1925      case lir_lock:                  s = "lock";          break;
1926      case lir_unlock:                s = "unlock";        break;
1927      // LIR_OpTypeCheck
1928      case lir_instanceof:            s = "instanceof";    break;
1929      case lir_checkcast:             s = "checkcast";     break;
1930      case lir_store_check:           s = "store_check";   break;
1931      // LIR_OpFlattenedArrayCheck
1932      case lir_flat_array_check:      s = "flat_array_check"; break;
1933      // LIR_OpNullFreeArrayCheck
1934      case lir_null_free_array_check: s = "null_free_array_check"; break;
1935      // LIR_OpSubstitutabilityCheck
1936      case lir_substitutability_check: s = "substitutability_check"; break;
1937      // LIR_OpCompareAndSwap
1938      case lir_cas_long:              s = "cas_long";      break;
1939      case lir_cas_obj:               s = "cas_obj";      break;
1940      case lir_cas_int:               s = "cas_int";      break;
1941      // LIR_OpProfileCall
1942      case lir_profile_call:          s = "profile_call";  break;
1943      // LIR_OpProfileType
1944      case lir_profile_type:          s = "profile_type";  break;
1945      // LIR_OpProfileInlineType
1946      case lir_profile_inline_type:   s = "profile_inline_type"; break;
1947      // LIR_OpAssert
1948 #ifdef ASSERT
1949      case lir_assert:                s = "assert";        break;
1950 #endif
1951      case lir_none:                  ShouldNotReachHere();break;
1952     default:                         s = "illegal_op";    break;
1953   }
1954   return s;
1955 }
1956 
1957 // LIR_OpJavaCall
1958 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1959   out->print("call: ");
1960   out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1961   if (receiver()->is_valid()) {
1962     out->print(" [recv: ");   receiver()->print(out);   out->print("]");
1963   }
1964   if (result_opr()->is_valid()) {
1965     out->print(" [result: "); result_opr()->print(out); out->print("]");
1966   }
1967 }
1968 
1969 // LIR_OpLabel
1970 void LIR_OpLabel::print_instr(outputStream* out) const {
1971   out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1972 }
1973 
1974 // LIR_OpArrayCopy
1975 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1976   src()->print(out);     out->print(" ");
1977   src_pos()->print(out); out->print(" ");
1978   dst()->print(out);     out->print(" ");
1979   dst_pos()->print(out); out->print(" ");
1980   length()->print(out);  out->print(" ");
1981   tmp()->print(out);     out->print(" ");
1982 }
1983 
1984 // LIR_OpUpdateCRC32
1985 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1986   crc()->print(out);     out->print(" ");
1987   val()->print(out);     out->print(" ");
1988   result_opr()->print(out); out->print(" ");
1989 }
1990 
1991 // LIR_OpCompareAndSwap
1992 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1993   addr()->print(out);      out->print(" ");
1994   cmp_value()->print(out); out->print(" ");
1995   new_value()->print(out); out->print(" ");
1996   tmp1()->print(out);      out->print(" ");
1997   tmp2()->print(out);      out->print(" ");
1998 
1999 }
2000 
2001 // LIR_Op0
2002 void LIR_Op0::print_instr(outputStream* out) const {
2003   result_opr()->print(out);
2004 }
2005 
2006 // LIR_Op1
2007 const char * LIR_Op1::name() const {
2008   if (code() == lir_move) {
2009     switch (move_kind()) {
2010     case lir_move_normal:
2011       return "move";
2012     case lir_move_volatile:
2013       return "volatile_move";
2014     case lir_move_wide:
2015       return "wide_move";
2016     default:
2017       ShouldNotReachHere();
2018     return "illegal_op";
2019     }
2020   } else {
2021     return LIR_Op::name();
2022   }
2023 }
2024 
2025 
2026 void LIR_Op1::print_instr(outputStream* out) const {
2027   _opr->print(out);         out->print(" ");
2028   result_opr()->print(out); out->print(" ");
2029   print_patch_code(out, patch_code());
2030 }
2031 
2032 
2033 // LIR_Op1
2034 void LIR_OpRTCall::print_instr(outputStream* out) const {
2035   intx a = (intx)addr();
2036   out->print("%s", Runtime1::name_for_address(addr()));
2037   out->print(" ");
2038   tmp()->print(out);
2039 }
2040 
2041 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
2042   switch(code) {
2043     case lir_patch_none:                                 break;
2044     case lir_patch_low:    out->print("[patch_low]");    break;
2045     case lir_patch_high:   out->print("[patch_high]");   break;
2046     case lir_patch_normal: out->print("[patch_normal]"); break;
2047     default: ShouldNotReachHere();
2048   }
2049 }
2050 
2051 // LIR_OpBranch
2052 void LIR_OpBranch::print_instr(outputStream* out) const {
2053   print_condition(out, cond());             out->print(" ");
2054   in_opr1()->print(out); out->print(" ");
2055   in_opr2()->print(out); out->print(" ");
2056   if (block() != nullptr) {
2057     out->print("[B%d] ", block()->block_id());
2058   } else if (stub() != nullptr) {
2059     out->print("[");
2060     stub()->print_name(out);
2061     out->print(": " INTPTR_FORMAT "]", p2i(stub()));
2062     if (stub()->info() != nullptr) out->print(" [bci:%d]", stub()->info()->stack()->bci());
2063   } else {
2064     out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
2065   }
2066   if (ublock() != nullptr) {
2067     out->print("unordered: [B%d] ", ublock()->block_id());
2068   }
2069 }
2070 
2071 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
2072   switch(cond) {
2073     case lir_cond_equal:           out->print("[EQ]");      break;
2074     case lir_cond_notEqual:        out->print("[NE]");      break;
2075     case lir_cond_less:            out->print("[LT]");      break;
2076     case lir_cond_lessEqual:       out->print("[LE]");      break;
2077     case lir_cond_greaterEqual:    out->print("[GE]");      break;
2078     case lir_cond_greater:         out->print("[GT]");      break;
2079     case lir_cond_belowEqual:      out->print("[BE]");      break;
2080     case lir_cond_aboveEqual:      out->print("[AE]");      break;
2081     case lir_cond_always:          out->print("[AL]");      break;
2082     default:                       out->print("[%d]",cond); break;
2083   }
2084 }
2085 
2086 // LIR_OpConvert
2087 void LIR_OpConvert::print_instr(outputStream* out) const {
2088   print_bytecode(out, bytecode());
2089   in_opr()->print(out);                  out->print(" ");
2090   result_opr()->print(out);              out->print(" ");
2091 }
2092 
2093 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
2094   switch(code) {
2095     case Bytecodes::_d2f: out->print("[d2f] "); break;
2096     case Bytecodes::_d2i: out->print("[d2i] "); break;
2097     case Bytecodes::_d2l: out->print("[d2l] "); break;
2098     case Bytecodes::_f2d: out->print("[f2d] "); break;
2099     case Bytecodes::_f2i: out->print("[f2i] "); break;
2100     case Bytecodes::_f2l: out->print("[f2l] "); break;
2101     case Bytecodes::_i2b: out->print("[i2b] "); break;
2102     case Bytecodes::_i2c: out->print("[i2c] "); break;
2103     case Bytecodes::_i2d: out->print("[i2d] "); break;
2104     case Bytecodes::_i2f: out->print("[i2f] "); break;
2105     case Bytecodes::_i2l: out->print("[i2l] "); break;
2106     case Bytecodes::_i2s: out->print("[i2s] "); break;
2107     case Bytecodes::_l2i: out->print("[l2i] "); break;
2108     case Bytecodes::_l2f: out->print("[l2f] "); break;
2109     case Bytecodes::_l2d: out->print("[l2d] "); break;
2110     default:
2111       out->print("[?%d]",code);
2112     break;
2113   }
2114 }
2115 
2116 void LIR_OpAllocObj::print_instr(outputStream* out) const {
2117   klass()->print(out);                      out->print(" ");
2118   obj()->print(out);                        out->print(" ");
2119   tmp1()->print(out);                       out->print(" ");
2120   tmp2()->print(out);                       out->print(" ");
2121   tmp3()->print(out);                       out->print(" ");
2122   tmp4()->print(out);                       out->print(" ");
2123   out->print("[hdr:%d]", header_size()); out->print(" ");
2124   out->print("[obj:%d]", object_size()); out->print(" ");
2125   out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2126 }
2127 
2128 // LIR_Op2
2129 void LIR_Op2::print_instr(outputStream* out) const {
2130   if (code() == lir_cmp || code() == lir_branch || code() == lir_cond_float_branch) {
2131     print_condition(out, condition());         out->print(" ");
2132   }
2133   in_opr1()->print(out);    out->print(" ");
2134   in_opr2()->print(out);    out->print(" ");
2135   if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out);    out->print(" "); }
2136   if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out);    out->print(" "); }
2137   if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out);    out->print(" "); }
2138   if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out);    out->print(" "); }
2139   if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out);    out->print(" "); }
2140   result_opr()->print(out);
2141 }
2142 
2143 void LIR_OpAllocArray::print_instr(outputStream* out) const {
2144   klass()->print(out);                   out->print(" ");
2145   len()->print(out);                     out->print(" ");
2146   obj()->print(out);                     out->print(" ");
2147   tmp1()->print(out);                    out->print(" ");
2148   tmp2()->print(out);                    out->print(" ");
2149   tmp3()->print(out);                    out->print(" ");
2150   tmp4()->print(out);                    out->print(" ");
2151   out->print("[type:0x%x]", type());     out->print(" ");
2152   out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2153 }
2154 
2155 
2156 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
2157   object()->print(out);                  out->print(" ");
2158   if (code() == lir_store_check) {
2159     array()->print(out);                 out->print(" ");
2160   }
2161   if (code() != lir_store_check) {
2162     klass()->print_name_on(out);         out->print(" ");
2163     if (fast_check())                 out->print("fast_check ");
2164   }
2165   tmp1()->print(out);                    out->print(" ");
2166   tmp2()->print(out);                    out->print(" ");
2167   tmp3()->print(out);                    out->print(" ");
2168   result_opr()->print(out);              out->print(" ");
2169   if (info_for_exception() != nullptr) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
2170 }
2171 
2172 void LIR_OpFlattenedArrayCheck::print_instr(outputStream* out) const {
2173   array()->print(out);                   out->print(" ");
2174   value()->print(out);                   out->print(" ");
2175   tmp()->print(out);                     out->print(" ");
2176   if (stub() != nullptr) {
2177     out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2178   }
2179 }
2180 
2181 void LIR_OpNullFreeArrayCheck::print_instr(outputStream* out) const {
2182   array()->print(out);                   out->print(" ");
2183   tmp()->print(out);                     out->print(" ");
2184 }
2185 
2186 void LIR_OpSubstitutabilityCheck::print_instr(outputStream* out) const {
2187   result_opr()->print(out);              out->print(" ");
2188   left()->print(out);                    out->print(" ");
2189   right()->print(out);                   out->print(" ");
2190   equal_result()->print(out);            out->print(" ");
2191   not_equal_result()->print(out);        out->print(" ");
2192   tmp1()->print(out);                    out->print(" ");
2193   tmp2()->print(out);                    out->print(" ");
2194   if (left_klass() == nullptr) {
2195     out->print("unknown ");
2196   } else {
2197     left_klass()->print(out);            out->print(" ");
2198   }
2199   if (right_klass() == nullptr) {
2200     out->print("unknown ");
2201   } else {
2202     right_klass()->print(out);           out->print(" ");
2203   }
2204   left_klass_op()->print(out);           out->print(" ");
2205   right_klass_op()->print(out);          out->print(" ");
2206   if (stub() != nullptr) {
2207     out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2208   }
2209 }
2210 
2211 // LIR_Op3
2212 void LIR_Op3::print_instr(outputStream* out) const {
2213   in_opr1()->print(out);    out->print(" ");
2214   in_opr2()->print(out);    out->print(" ");
2215   in_opr3()->print(out);    out->print(" ");
2216   result_opr()->print(out);
2217 }
2218 
2219 // LIR_Op4
2220 void LIR_Op4::print_instr(outputStream* out) const {
2221   print_condition(out, condition()); out->print(" ");
2222   in_opr1()->print(out);             out->print(" ");
2223   in_opr2()->print(out);             out->print(" ");
2224   in_opr3()->print(out);             out->print(" ");
2225   in_opr4()->print(out);             out->print(" ");
2226   result_opr()->print(out);
2227 }
2228 
2229 void LIR_OpLock::print_instr(outputStream* out) const {
2230   hdr_opr()->print(out);   out->print(" ");
2231   obj_opr()->print(out);   out->print(" ");
2232   lock_opr()->print(out);  out->print(" ");
2233   if (_scratch->is_valid()) {
2234     _scratch->print(out);  out->print(" ");
2235   }
2236   out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
2237 }
2238 
2239 void LIR_OpLoadKlass::print_instr(outputStream* out) const {
2240   obj()->print(out);        out->print(" ");
2241   result_opr()->print(out); out->print(" ");
2242 }
2243 
2244 #ifdef ASSERT
2245 void LIR_OpAssert::print_instr(outputStream* out) const {
2246   print_condition(out, condition()); out->print(" ");
2247   in_opr1()->print(out);             out->print(" ");
2248   in_opr2()->print(out);             out->print(", \"");
2249   out->print("%s", msg());          out->print("\"");
2250 }
2251 #endif
2252 
2253 
2254 // LIR_OpProfileCall
2255 void LIR_OpProfileCall::print_instr(outputStream* out) const {
2256   profiled_method()->name()->print_symbol_on(out);
2257   out->print(".");
2258   profiled_method()->holder()->name()->print_symbol_on(out);
2259   out->print(" @ %d ", profiled_bci());
2260   mdo()->print(out);           out->print(" ");
2261   recv()->print(out);          out->print(" ");
2262   tmp1()->print(out);          out->print(" ");
2263 }
2264 
2265 // LIR_OpProfileType
2266 void LIR_OpProfileType::print_instr(outputStream* out) const {
2267   out->print("exact = ");
2268   if (exact_klass() == nullptr) {
2269     out->print("unknown");
2270   } else {
2271     exact_klass()->print_name_on(out);
2272   }
2273   out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
2274   out->print(" ");
2275   mdp()->print(out);          out->print(" ");
2276   obj()->print(out);          out->print(" ");
2277   tmp()->print(out);          out->print(" ");
2278 }
2279 
2280 // LIR_OpProfileInlineType
2281 void LIR_OpProfileInlineType::print_instr(outputStream* out) const {
2282   out->print(" flag = %x ", flag());
2283   mdp()->print(out);          out->print(" ");
2284   obj()->print(out);          out->print(" ");
2285   tmp()->print(out);          out->print(" ");
2286 }
2287 
2288 #endif // PRODUCT
2289 
2290 // Implementation of LIR_InsertionBuffer
2291 
2292 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2293   assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2294 
2295   int i = number_of_insertion_points() - 1;
2296   if (i < 0 || index_at(i) < index) {
2297     append_new(index, 1);
2298   } else {
2299     assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2300     assert(count_at(i) > 0, "check");
2301     set_count_at(i, count_at(i) + 1);
2302   }
2303   _ops.push(op);
2304 
2305   DEBUG_ONLY(verify());
2306 }
2307 
2308 #ifdef ASSERT
2309 void LIR_InsertionBuffer::verify() {
2310   int sum = 0;
2311   int prev_idx = -1;
2312 
2313   for (int i = 0; i < number_of_insertion_points(); i++) {
2314     assert(prev_idx < index_at(i), "index must be ordered ascending");
2315     sum += count_at(i);
2316   }
2317   assert(sum == number_of_ops(), "wrong total sum");
2318 }
2319 #endif