rev 12113 : 8166561: [s390] Adaptions needed for s390 port in C1 and C2.

   1 /*
   2  * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "c1/c1_InstructionPrinter.hpp"
  27 #include "c1/c1_LIR.hpp"
  28 #include "c1/c1_LIRAssembler.hpp"
  29 #include "c1/c1_ValueStack.hpp"
  30 #include "ci/ciInstance.hpp"
  31 #include "runtime/sharedRuntime.hpp"
  32 
  33 Register LIR_OprDesc::as_register() const {
  34   return FrameMap::cpu_rnr2reg(cpu_regnr());
  35 }
  36 
  37 Register LIR_OprDesc::as_register_lo() const {
  38   return FrameMap::cpu_rnr2reg(cpu_regnrLo());
  39 }
  40 
  41 Register LIR_OprDesc::as_register_hi() const {
  42   return FrameMap::cpu_rnr2reg(cpu_regnrHi());
  43 }
  44 
  45 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
  46 
  47 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
  48   ValueTag tag = type->tag();
  49   switch (tag) {
  50   case metaDataTag : {
  51     ClassConstant* c = type->as_ClassConstant();
  52     if (c != NULL && !c->value()->is_loaded()) {
  53       return LIR_OprFact::metadataConst(NULL);
  54     } else if (c != NULL) {
  55       return LIR_OprFact::metadataConst(c->value()->constant_encoding());
  56     } else {
  57       MethodConstant* m = type->as_MethodConstant();
  58       assert (m != NULL, "not a class or a method?");
  59       return LIR_OprFact::metadataConst(m->value()->constant_encoding());
  60     }
  61   }
  62   case objectTag : {
  63       return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
  64     }
  65   case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
  66   case intTag    : return LIR_OprFact::intConst(type->as_IntConstant()->value());
  67   case floatTag  : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
  68   case longTag   : return LIR_OprFact::longConst(type->as_LongConstant()->value());
  69   case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
  70   default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
  71   }
  72 }
  73 
  74 
  75 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) {
  76   switch (type->tag()) {
  77     case objectTag: return LIR_OprFact::oopConst(NULL);
  78     case addressTag:return LIR_OprFact::addressConst(0);
  79     case intTag:    return LIR_OprFact::intConst(0);
  80     case floatTag:  return LIR_OprFact::floatConst(0.0);
  81     case longTag:   return LIR_OprFact::longConst(0);
  82     case doubleTag: return LIR_OprFact::doubleConst(0.0);
  83     default:        ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
  84   }
  85   return illegalOpr;
  86 }
  87 
  88 
  89 
  90 //---------------------------------------------------
  91 
  92 
  93 LIR_Address::Scale LIR_Address::scale(BasicType type) {
  94   int elem_size = type2aelembytes(type);
  95   switch (elem_size) {
  96   case 1: return LIR_Address::times_1;
  97   case 2: return LIR_Address::times_2;
  98   case 4: return LIR_Address::times_4;
  99   case 8: return LIR_Address::times_8;
 100   }
 101   ShouldNotReachHere();
 102   return LIR_Address::times_1;
 103 }
 104 
 105 //---------------------------------------------------
 106 
 107 char LIR_OprDesc::type_char(BasicType t) {
 108   switch (t) {
 109     case T_ARRAY:
 110       t = T_OBJECT;
 111     case T_BOOLEAN:
 112     case T_CHAR:
 113     case T_FLOAT:
 114     case T_DOUBLE:
 115     case T_BYTE:
 116     case T_SHORT:
 117     case T_INT:
 118     case T_LONG:
 119     case T_OBJECT:
 120     case T_ADDRESS:
 121     case T_VOID:
 122       return ::type2char(t);
 123     case T_METADATA:
 124       return 'M';
 125     case T_ILLEGAL:
 126       return '?';
 127 
 128     default:
 129       ShouldNotReachHere();
 130       return '?';
 131   }
 132 }
 133 
 134 #ifndef PRODUCT
 135 void LIR_OprDesc::validate_type() const {
 136 
 137 #ifdef ASSERT
 138   if (!is_pointer() && !is_illegal()) {
 139     OprKind kindfield = kind_field(); // Factored out because of compiler bug, see 8002160
 140     switch (as_BasicType(type_field())) {
 141     case T_LONG:
 142       assert((kindfield == cpu_register || kindfield == stack_value) &&
 143              size_field() == double_size, "must match");
 144       break;
 145     case T_FLOAT:
 146       // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI)
 147       assert((kindfield == fpu_register || kindfield == stack_value
 148              ARM_ONLY(|| kindfield == cpu_register)
 149              PPC32_ONLY(|| kindfield == cpu_register) ) &&
 150              size_field() == single_size, "must match");
 151       break;
 152     case T_DOUBLE:
 153       // FP return values can be also in CPU registers on ARM and PPC32 (softfp ABI)
 154       assert((kindfield == fpu_register || kindfield == stack_value
 155              ARM_ONLY(|| kindfield == cpu_register)
 156              PPC32_ONLY(|| kindfield == cpu_register) ) &&
 157              size_field() == double_size, "must match");
 158       break;
 159     case T_BOOLEAN:
 160     case T_CHAR:
 161     case T_BYTE:
 162     case T_SHORT:
 163     case T_INT:
 164     case T_ADDRESS:
 165     case T_OBJECT:
 166     case T_METADATA:
 167     case T_ARRAY:
 168       assert((kindfield == cpu_register || kindfield == stack_value) &&
 169              size_field() == single_size, "must match");
 170       break;
 171 
 172     case T_ILLEGAL:
 173       // XXX TKR also means unknown right now
 174       // assert(is_illegal(), "must match");
 175       break;
 176 
 177     default:
 178       ShouldNotReachHere();
 179     }
 180   }
 181 #endif
 182 
 183 }
 184 #endif // PRODUCT
 185 
 186 
 187 bool LIR_OprDesc::is_oop() const {
 188   if (is_pointer()) {
 189     return pointer()->is_oop_pointer();
 190   } else {
 191     OprType t= type_field();
 192     assert(t != unknown_type, "not set");
 193     return t == object_type;
 194   }
 195 }
 196 
 197 
 198 
 199 void LIR_Op2::verify() const {
 200 #ifdef ASSERT
 201   switch (code()) {
 202     case lir_cmove:
 203     case lir_xchg:
 204       break;
 205 
 206     default:
 207       assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
 208              "can't produce oops from arith");
 209   }
 210 
 211   if (TwoOperandLIRForm) {











 212     switch (code()) {
 213     case lir_add:
 214     case lir_sub:
 215     case lir_mul:
 216     case lir_mul_strictfp:
 217     case lir_div:
 218     case lir_div_strictfp:
 219     case lir_rem:
 220     case lir_logic_and:
 221     case lir_logic_or:
 222     case lir_logic_xor:
 223     case lir_shl:
 224     case lir_shr:
 225       assert(in_opr1() == result_opr(), "opr1 and result must match");
 226       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 227       break;
 228 
 229     // special handling for lir_ushr because of write barriers
 230     case lir_ushr:
 231       assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant");
 232       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
 233       break;
 234 
 235     }
 236   }
 237 #endif
 238 }
 239 
 240 
 241 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
 242   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 243   , _cond(cond)
 244   , _type(type)
 245   , _label(block->label())
 246   , _block(block)
 247   , _ublock(NULL)
 248   , _stub(NULL) {
 249 }
 250 
 251 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
 252   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 253   , _cond(cond)
 254   , _type(type)
 255   , _label(stub->entry())
 256   , _block(NULL)
 257   , _ublock(NULL)
 258   , _stub(stub) {
 259 }
 260 
 261 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock)
 262   : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
 263   , _cond(cond)
 264   , _type(type)
 265   , _label(block->label())
 266   , _block(block)
 267   , _ublock(ublock)
 268   , _stub(NULL)
 269 {
 270 }
 271 
 272 void LIR_OpBranch::change_block(BlockBegin* b) {
 273   assert(_block != NULL, "must have old block");
 274   assert(_block->label() == label(), "must be equal");
 275 
 276   _block = b;
 277   _label = b->label();
 278 }
 279 
 280 void LIR_OpBranch::change_ublock(BlockBegin* b) {
 281   assert(_ublock != NULL, "must have old block");
 282   _ublock = b;
 283 }
 284 
 285 void LIR_OpBranch::negate_cond() {
 286   switch (_cond) {
 287     case lir_cond_equal:        _cond = lir_cond_notEqual;     break;
 288     case lir_cond_notEqual:     _cond = lir_cond_equal;        break;
 289     case lir_cond_less:         _cond = lir_cond_greaterEqual; break;
 290     case lir_cond_lessEqual:    _cond = lir_cond_greater;      break;
 291     case lir_cond_greaterEqual: _cond = lir_cond_less;         break;
 292     case lir_cond_greater:      _cond = lir_cond_lessEqual;    break;
 293     default: ShouldNotReachHere();
 294   }
 295 }
 296 
 297 
 298 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
 299                                  LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
 300                                  bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
 301                                  CodeStub* stub)
 302 
 303   : LIR_Op(code, result, NULL)
 304   , _object(object)
 305   , _array(LIR_OprFact::illegalOpr)
 306   , _klass(klass)
 307   , _tmp1(tmp1)
 308   , _tmp2(tmp2)
 309   , _tmp3(tmp3)
 310   , _fast_check(fast_check)
 311   , _stub(stub)
 312   , _info_for_patch(info_for_patch)
 313   , _info_for_exception(info_for_exception)
 314   , _profiled_method(NULL)
 315   , _profiled_bci(-1)
 316   , _should_profile(false)
 317 {
 318   if (code == lir_checkcast) {
 319     assert(info_for_exception != NULL, "checkcast throws exceptions");
 320   } else if (code == lir_instanceof) {
 321     assert(info_for_exception == NULL, "instanceof throws no exceptions");
 322   } else {
 323     ShouldNotReachHere();
 324   }
 325 }
 326 
 327 
 328 
 329 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception)
 330   : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
 331   , _object(object)
 332   , _array(array)
 333   , _klass(NULL)
 334   , _tmp1(tmp1)
 335   , _tmp2(tmp2)
 336   , _tmp3(tmp3)
 337   , _fast_check(false)
 338   , _stub(NULL)
 339   , _info_for_patch(NULL)
 340   , _info_for_exception(info_for_exception)
 341   , _profiled_method(NULL)
 342   , _profiled_bci(-1)
 343   , _should_profile(false)
 344 {
 345   if (code == lir_store_check) {
 346     _stub = new ArrayStoreExceptionStub(object, info_for_exception);
 347     assert(info_for_exception != NULL, "store_check throws exceptions");
 348   } else {
 349     ShouldNotReachHere();
 350   }
 351 }
 352 
 353 
 354 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
 355                                  LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
 356   : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
 357   , _tmp(tmp)
 358   , _src(src)
 359   , _src_pos(src_pos)
 360   , _dst(dst)
 361   , _dst_pos(dst_pos)
 362   , _flags(flags)
 363   , _expected_type(expected_type)
 364   , _length(length) {
 365   _stub = new ArrayCopyStub(this);
 366 }
 367 
 368 LIR_OpUpdateCRC32::LIR_OpUpdateCRC32(LIR_Opr crc, LIR_Opr val, LIR_Opr res)
 369   : LIR_Op(lir_updatecrc32, res, NULL)
 370   , _crc(crc)
 371   , _val(val) {
 372 }
 373 
 374 //-------------------verify--------------------------
 375 
 376 void LIR_Op1::verify() const {
 377   switch(code()) {
 378   case lir_move:
 379     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
 380     break;
 381   case lir_null_check:
 382     assert(in_opr()->is_register(), "must be");
 383     break;
 384   case lir_return:
 385     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
 386     break;
 387   }
 388 }
 389 
 390 void LIR_OpRTCall::verify() const {
 391   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
 392 }
 393 
 394 //-------------------visits--------------------------
 395 
 396 // complete rework of LIR instruction visitor.
 397 // The virtual call for each instruction type is replaced by a big
 398 // switch that adds the operands for each instruction
 399 
 400 void LIR_OpVisitState::visit(LIR_Op* op) {
 401   // copy information from the LIR_Op
 402   reset();
 403   set_op(op);
 404 
 405   switch (op->code()) {
 406 
 407 // LIR_Op0
 408     case lir_word_align:               // result and info always invalid
 409     case lir_backwardbranch_target:    // result and info always invalid
 410     case lir_build_frame:              // result and info always invalid
 411     case lir_fpop_raw:                 // result and info always invalid
 412     case lir_24bit_FPU:                // result and info always invalid
 413     case lir_reset_FPU:                // result and info always invalid
 414     case lir_breakpoint:               // result and info always invalid
 415     case lir_membar:                   // result and info always invalid
 416     case lir_membar_acquire:           // result and info always invalid
 417     case lir_membar_release:           // result and info always invalid
 418     case lir_membar_loadload:          // result and info always invalid
 419     case lir_membar_storestore:        // result and info always invalid
 420     case lir_membar_loadstore:         // result and info always invalid
 421     case lir_membar_storeload:         // result and info always invalid
 422     case lir_on_spin_wait:
 423     {
 424       assert(op->as_Op0() != NULL, "must be");
 425       assert(op->_info == NULL, "info not used by this instruction");
 426       assert(op->_result->is_illegal(), "not used");
 427       break;
 428     }
 429 
 430     case lir_nop:                      // may have info, result always invalid
 431     case lir_std_entry:                // may have result, info always invalid
 432     case lir_osr_entry:                // may have result, info always invalid
 433     case lir_get_thread:               // may have result, info always invalid
 434     {
 435       assert(op->as_Op0() != NULL, "must be");
 436       if (op->_info != NULL)           do_info(op->_info);
 437       if (op->_result->is_valid())     do_output(op->_result);
 438       break;
 439     }
 440 
 441 
 442 // LIR_OpLabel
 443     case lir_label:                    // result and info always invalid
 444     {
 445       assert(op->as_OpLabel() != NULL, "must be");
 446       assert(op->_info == NULL, "info not used by this instruction");
 447       assert(op->_result->is_illegal(), "not used");
 448       break;
 449     }
 450 
 451 
 452 // LIR_Op1
 453     case lir_fxch:           // input always valid, result and info always invalid
 454     case lir_fld:            // input always valid, result and info always invalid
 455     case lir_ffree:          // input always valid, result and info always invalid
 456     case lir_push:           // input always valid, result and info always invalid
 457     case lir_pop:            // input always valid, result and info always invalid
 458     case lir_return:         // input always valid, result and info always invalid
 459     case lir_leal:           // input and result always valid, info always invalid
 460     case lir_neg:            // input and result always valid, info always invalid
 461     case lir_monaddr:        // input and result always valid, info always invalid
 462     case lir_null_check:     // input and info always valid, result always invalid
 463     case lir_move:           // input and result always valid, may have info
 464     case lir_pack64:         // input and result always valid
 465     case lir_unpack64:       // input and result always valid
 466     {
 467       assert(op->as_Op1() != NULL, "must be");
 468       LIR_Op1* op1 = (LIR_Op1*)op;
 469 
 470       if (op1->_info)                  do_info(op1->_info);
 471       if (op1->_opr->is_valid())       do_input(op1->_opr);
 472       if (op1->_result->is_valid())    do_output(op1->_result);
 473 
 474       break;
 475     }
 476 
 477     case lir_safepoint:
 478     {
 479       assert(op->as_Op1() != NULL, "must be");
 480       LIR_Op1* op1 = (LIR_Op1*)op;
 481 
 482       assert(op1->_info != NULL, "");  do_info(op1->_info);
 483       if (op1->_opr->is_valid())       do_temp(op1->_opr); // safepoints on SPARC need temporary register
 484       assert(op1->_result->is_illegal(), "safepoint does not produce value");
 485 
 486       break;
 487     }
 488 
 489 // LIR_OpConvert;
 490     case lir_convert:        // input and result always valid, info always invalid
 491     {
 492       assert(op->as_OpConvert() != NULL, "must be");
 493       LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
 494 
 495       assert(opConvert->_info == NULL, "must be");
 496       if (opConvert->_opr->is_valid())       do_input(opConvert->_opr);
 497       if (opConvert->_result->is_valid())    do_output(opConvert->_result);
 498 #ifdef PPC32
 499       if (opConvert->_tmp1->is_valid())      do_temp(opConvert->_tmp1);
 500       if (opConvert->_tmp2->is_valid())      do_temp(opConvert->_tmp2);
 501 #endif
 502       do_stub(opConvert->_stub);
 503 
 504       break;
 505     }
 506 
 507 // LIR_OpBranch;
 508     case lir_branch:                   // may have info, input and result register always invalid
 509     case lir_cond_float_branch:        // may have info, input and result register always invalid
 510     {
 511       assert(op->as_OpBranch() != NULL, "must be");
 512       LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
 513 
 514       if (opBranch->_info != NULL)     do_info(opBranch->_info);
 515       assert(opBranch->_result->is_illegal(), "not used");
 516       if (opBranch->_stub != NULL)     opBranch->stub()->visit(this);
 517 
 518       break;
 519     }
 520 
 521 
 522 // LIR_OpAllocObj
 523     case lir_alloc_object:
 524     {
 525       assert(op->as_OpAllocObj() != NULL, "must be");
 526       LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
 527 
 528       if (opAllocObj->_info)                     do_info(opAllocObj->_info);
 529       if (opAllocObj->_opr->is_valid()) {        do_input(opAllocObj->_opr);
 530                                                  do_temp(opAllocObj->_opr);
 531                                         }
 532       if (opAllocObj->_tmp1->is_valid())         do_temp(opAllocObj->_tmp1);
 533       if (opAllocObj->_tmp2->is_valid())         do_temp(opAllocObj->_tmp2);
 534       if (opAllocObj->_tmp3->is_valid())         do_temp(opAllocObj->_tmp3);
 535       if (opAllocObj->_tmp4->is_valid())         do_temp(opAllocObj->_tmp4);
 536       if (opAllocObj->_result->is_valid())       do_output(opAllocObj->_result);
 537                                                  do_stub(opAllocObj->_stub);
 538       break;
 539     }
 540 
 541 
 542 // LIR_OpRoundFP;
 543     case lir_roundfp: {
 544       assert(op->as_OpRoundFP() != NULL, "must be");
 545       LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
 546 
 547       assert(op->_info == NULL, "info not used by this instruction");
 548       assert(opRoundFP->_tmp->is_illegal(), "not used");
 549       do_input(opRoundFP->_opr);
 550       do_output(opRoundFP->_result);
 551 
 552       break;
 553     }
 554 
 555 
 556 // LIR_Op2
 557     case lir_cmp:
 558     case lir_cmp_l2i:
 559     case lir_ucmp_fd2i:
 560     case lir_cmp_fd2i:
 561     case lir_add:
 562     case lir_sub:
 563     case lir_mul:
 564     case lir_div:
 565     case lir_rem:
 566     case lir_sqrt:
 567     case lir_abs:
 568     case lir_logic_and:
 569     case lir_logic_or:
 570     case lir_logic_xor:
 571     case lir_shl:
 572     case lir_shr:
 573     case lir_ushr:
 574     case lir_xadd:
 575     case lir_xchg:
 576     case lir_assert:
 577     {
 578       assert(op->as_Op2() != NULL, "must be");
 579       LIR_Op2* op2 = (LIR_Op2*)op;
 580       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 581              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 582 
 583       if (op2->_info)                     do_info(op2->_info);
 584       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
 585       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
 586       if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
 587       if (op2->_result->is_valid())       do_output(op2->_result);
 588       if (op->code() == lir_xchg || op->code() == lir_xadd) {
 589         // on ARM and PPC, return value is loaded first so could
 590         // destroy inputs. On other platforms that implement those
 591         // (x86, sparc), the extra constrainsts are harmless.
 592         if (op2->_opr1->is_valid())       do_temp(op2->_opr1);
 593         if (op2->_opr2->is_valid())       do_temp(op2->_opr2);
 594       }
 595 
 596       break;
 597     }
 598 
 599     // special handling for cmove: right input operand must not be equal
 600     // to the result operand, otherwise the backend fails
 601     case lir_cmove:
 602     {
 603       assert(op->as_Op2() != NULL, "must be");
 604       LIR_Op2* op2 = (LIR_Op2*)op;
 605 
 606       assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() &&
 607              op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 608       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
 609 
 610       do_input(op2->_opr1);
 611       do_input(op2->_opr2);
 612       do_temp(op2->_opr2);
 613       do_output(op2->_result);
 614 
 615       break;
 616     }
 617 
 618     // vspecial handling for strict operations: register input operands
 619     // as temp to guarantee that they do not overlap with other
 620     // registers
 621     case lir_mul_strictfp:
 622     case lir_div_strictfp:
 623     {
 624       assert(op->as_Op2() != NULL, "must be");
 625       LIR_Op2* op2 = (LIR_Op2*)op;
 626 
 627       assert(op2->_info == NULL, "not used");
 628       assert(op2->_opr1->is_valid(), "used");
 629       assert(op2->_opr2->is_valid(), "used");
 630       assert(op2->_result->is_valid(), "used");
 631       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 632              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 633 
 634       do_input(op2->_opr1); do_temp(op2->_opr1);
 635       do_input(op2->_opr2); do_temp(op2->_opr2);
 636       if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
 637       do_output(op2->_result);
 638 
 639       break;
 640     }
 641 
 642     case lir_throw: {
 643       assert(op->as_Op2() != NULL, "must be");
 644       LIR_Op2* op2 = (LIR_Op2*)op;
 645 
 646       if (op2->_info)                     do_info(op2->_info);
 647       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
 648       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
 649       assert(op2->_result->is_illegal(), "no result");
 650       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
 651              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
 652 
 653       break;
 654     }
 655 
 656     case lir_unwind: {
 657       assert(op->as_Op1() != NULL, "must be");
 658       LIR_Op1* op1 = (LIR_Op1*)op;
 659 
 660       assert(op1->_info == NULL, "no info");
 661       assert(op1->_opr->is_valid(), "exception oop");         do_input(op1->_opr);
 662       assert(op1->_result->is_illegal(), "no result");
 663 
 664       break;
 665     }
 666 
 667 // LIR_Op3
 668     case lir_idiv:
 669     case lir_irem:
 670     case lir_fmad:
 671     case lir_fmaf: {
 672       assert(op->as_Op3() != NULL, "must be");
 673       LIR_Op3* op3= (LIR_Op3*)op;
 674 
 675       if (op3->_info)                     do_info(op3->_info);
 676       if (op3->_opr1->is_valid())         do_input(op3->_opr1);
 677 
 678       // second operand is input and temp, so ensure that second operand
 679       // and third operand get not the same register
 680       if (op3->_opr2->is_valid())         do_input(op3->_opr2);
 681       if (op3->_opr2->is_valid())         do_temp(op3->_opr2);
 682       if (op3->_opr3->is_valid())         do_temp(op3->_opr3);
 683 
 684       if (op3->_result->is_valid())       do_output(op3->_result);
 685 
 686       break;
 687     }
 688 
 689 
 690 // LIR_OpJavaCall
 691     case lir_static_call:
 692     case lir_optvirtual_call:
 693     case lir_icvirtual_call:
 694     case lir_virtual_call:
 695     case lir_dynamic_call: {
 696       LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
 697       assert(opJavaCall != NULL, "must be");
 698 
 699       if (opJavaCall->_receiver->is_valid())     do_input(opJavaCall->_receiver);
 700 
 701       // only visit register parameters
 702       int n = opJavaCall->_arguments->length();
 703       for (int i = opJavaCall->_receiver->is_valid() ? 1 : 0; i < n; i++) {
 704         if (!opJavaCall->_arguments->at(i)->is_pointer()) {
 705           do_input(*opJavaCall->_arguments->adr_at(i));
 706         }
 707       }
 708 
 709       if (opJavaCall->_info)                     do_info(opJavaCall->_info);
 710       if (FrameMap::method_handle_invoke_SP_save_opr() != LIR_OprFact::illegalOpr &&
 711           opJavaCall->is_method_handle_invoke()) {
 712         opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
 713         do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
 714       }
 715       do_call();
 716       if (opJavaCall->_result->is_valid())       do_output(opJavaCall->_result);
 717 
 718       break;
 719     }
 720 
 721 
 722 // LIR_OpRTCall
 723     case lir_rtcall: {
 724       assert(op->as_OpRTCall() != NULL, "must be");
 725       LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
 726 
 727       // only visit register parameters
 728       int n = opRTCall->_arguments->length();
 729       for (int i = 0; i < n; i++) {
 730         if (!opRTCall->_arguments->at(i)->is_pointer()) {
 731           do_input(*opRTCall->_arguments->adr_at(i));
 732         }
 733       }
 734       if (opRTCall->_info)                     do_info(opRTCall->_info);
 735       if (opRTCall->_tmp->is_valid())          do_temp(opRTCall->_tmp);
 736       do_call();
 737       if (opRTCall->_result->is_valid())       do_output(opRTCall->_result);
 738 
 739       break;
 740     }
 741 
 742 
 743 // LIR_OpArrayCopy
 744     case lir_arraycopy: {
 745       assert(op->as_OpArrayCopy() != NULL, "must be");
 746       LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
 747 
 748       assert(opArrayCopy->_result->is_illegal(), "unused");
 749       assert(opArrayCopy->_src->is_valid(), "used");          do_input(opArrayCopy->_src);     do_temp(opArrayCopy->_src);
 750       assert(opArrayCopy->_src_pos->is_valid(), "used");      do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
 751       assert(opArrayCopy->_dst->is_valid(), "used");          do_input(opArrayCopy->_dst);     do_temp(opArrayCopy->_dst);
 752       assert(opArrayCopy->_dst_pos->is_valid(), "used");      do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
 753       assert(opArrayCopy->_length->is_valid(), "used");       do_input(opArrayCopy->_length);  do_temp(opArrayCopy->_length);
 754       assert(opArrayCopy->_tmp->is_valid(), "used");          do_temp(opArrayCopy->_tmp);
 755       if (opArrayCopy->_info)                     do_info(opArrayCopy->_info);
 756 
 757       // the implementation of arraycopy always has a call into the runtime
 758       do_call();
 759 
 760       break;
 761     }
 762 
 763 
 764 // LIR_OpUpdateCRC32
 765     case lir_updatecrc32: {
 766       assert(op->as_OpUpdateCRC32() != NULL, "must be");
 767       LIR_OpUpdateCRC32* opUp = (LIR_OpUpdateCRC32*)op;
 768 
 769       assert(opUp->_crc->is_valid(), "used");          do_input(opUp->_crc);     do_temp(opUp->_crc);
 770       assert(opUp->_val->is_valid(), "used");          do_input(opUp->_val);     do_temp(opUp->_val);
 771       assert(opUp->_result->is_valid(), "used");       do_output(opUp->_result);
 772       assert(opUp->_info == NULL, "no info for LIR_OpUpdateCRC32");
 773 
 774       break;
 775     }
 776 
 777 
 778 // LIR_OpLock
 779     case lir_lock:
 780     case lir_unlock: {
 781       assert(op->as_OpLock() != NULL, "must be");
 782       LIR_OpLock* opLock = (LIR_OpLock*)op;
 783 
 784       if (opLock->_info)                          do_info(opLock->_info);
 785 
 786       // TODO: check if these operands really have to be temp
 787       // (or if input is sufficient). This may have influence on the oop map!
 788       assert(opLock->_lock->is_valid(), "used");  do_temp(opLock->_lock);
 789       assert(opLock->_hdr->is_valid(),  "used");  do_temp(opLock->_hdr);
 790       assert(opLock->_obj->is_valid(),  "used");  do_temp(opLock->_obj);
 791 
 792       if (opLock->_scratch->is_valid())           do_temp(opLock->_scratch);
 793       assert(opLock->_result->is_illegal(), "unused");
 794 
 795       do_stub(opLock->_stub);
 796 
 797       break;
 798     }
 799 
 800 
 801 // LIR_OpDelay
 802     case lir_delay_slot: {
 803       assert(op->as_OpDelay() != NULL, "must be");
 804       LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
 805 
 806       visit(opDelay->delay_op());
 807       break;
 808     }
 809 
 810 // LIR_OpTypeCheck
 811     case lir_instanceof:
 812     case lir_checkcast:
 813     case lir_store_check: {
 814       assert(op->as_OpTypeCheck() != NULL, "must be");
 815       LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
 816 
 817       if (opTypeCheck->_info_for_exception)       do_info(opTypeCheck->_info_for_exception);
 818       if (opTypeCheck->_info_for_patch)           do_info(opTypeCheck->_info_for_patch);
 819       if (opTypeCheck->_object->is_valid())       do_input(opTypeCheck->_object);
 820       if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
 821         do_temp(opTypeCheck->_object);
 822       }
 823       if (opTypeCheck->_array->is_valid())        do_input(opTypeCheck->_array);
 824       if (opTypeCheck->_tmp1->is_valid())         do_temp(opTypeCheck->_tmp1);
 825       if (opTypeCheck->_tmp2->is_valid())         do_temp(opTypeCheck->_tmp2);
 826       if (opTypeCheck->_tmp3->is_valid())         do_temp(opTypeCheck->_tmp3);
 827       if (opTypeCheck->_result->is_valid())       do_output(opTypeCheck->_result);
 828                                                   do_stub(opTypeCheck->_stub);
 829       break;
 830     }
 831 
 832 // LIR_OpCompareAndSwap
 833     case lir_cas_long:
 834     case lir_cas_obj:
 835     case lir_cas_int: {
 836       assert(op->as_OpCompareAndSwap() != NULL, "must be");
 837       LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
 838 
 839       assert(opCompareAndSwap->_addr->is_valid(),      "used");
 840       assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
 841       assert(opCompareAndSwap->_new_value->is_valid(), "used");
 842       if (opCompareAndSwap->_info)                    do_info(opCompareAndSwap->_info);
 843                                                       do_input(opCompareAndSwap->_addr);
 844                                                       do_temp(opCompareAndSwap->_addr);
 845                                                       do_input(opCompareAndSwap->_cmp_value);
 846                                                       do_temp(opCompareAndSwap->_cmp_value);
 847                                                       do_input(opCompareAndSwap->_new_value);
 848                                                       do_temp(opCompareAndSwap->_new_value);
 849       if (opCompareAndSwap->_tmp1->is_valid())        do_temp(opCompareAndSwap->_tmp1);
 850       if (opCompareAndSwap->_tmp2->is_valid())        do_temp(opCompareAndSwap->_tmp2);
 851       if (opCompareAndSwap->_result->is_valid())      do_output(opCompareAndSwap->_result);
 852 
 853       break;
 854     }
 855 
 856 
 857 // LIR_OpAllocArray;
 858     case lir_alloc_array: {
 859       assert(op->as_OpAllocArray() != NULL, "must be");
 860       LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
 861 
 862       if (opAllocArray->_info)                        do_info(opAllocArray->_info);
 863       if (opAllocArray->_klass->is_valid())           do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
 864       if (opAllocArray->_len->is_valid())             do_input(opAllocArray->_len);   do_temp(opAllocArray->_len);
 865       if (opAllocArray->_tmp1->is_valid())            do_temp(opAllocArray->_tmp1);
 866       if (opAllocArray->_tmp2->is_valid())            do_temp(opAllocArray->_tmp2);
 867       if (opAllocArray->_tmp3->is_valid())            do_temp(opAllocArray->_tmp3);
 868       if (opAllocArray->_tmp4->is_valid())            do_temp(opAllocArray->_tmp4);
 869       if (opAllocArray->_result->is_valid())          do_output(opAllocArray->_result);
 870                                                       do_stub(opAllocArray->_stub);
 871       break;
 872     }
 873 
 874 // LIR_OpProfileCall:
 875     case lir_profile_call: {
 876       assert(op->as_OpProfileCall() != NULL, "must be");
 877       LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
 878 
 879       if (opProfileCall->_recv->is_valid())              do_temp(opProfileCall->_recv);
 880       assert(opProfileCall->_mdo->is_valid(), "used");   do_temp(opProfileCall->_mdo);
 881       assert(opProfileCall->_tmp1->is_valid(), "used");  do_temp(opProfileCall->_tmp1);
 882       break;
 883     }
 884 
 885 // LIR_OpProfileType:
 886     case lir_profile_type: {
 887       assert(op->as_OpProfileType() != NULL, "must be");
 888       LIR_OpProfileType* opProfileType = (LIR_OpProfileType*)op;
 889 
 890       do_input(opProfileType->_mdp); do_temp(opProfileType->_mdp);
 891       do_input(opProfileType->_obj);
 892       do_temp(opProfileType->_tmp);
 893       break;
 894     }
 895   default:
 896     ShouldNotReachHere();
 897   }
 898 }
 899 
 900 
 901 void LIR_OpVisitState::do_stub(CodeStub* stub) {
 902   if (stub != NULL) {
 903     stub->visit(this);
 904   }
 905 }
 906 
 907 XHandlers* LIR_OpVisitState::all_xhandler() {
 908   XHandlers* result = NULL;
 909 
 910   int i;
 911   for (i = 0; i < info_count(); i++) {
 912     if (info_at(i)->exception_handlers() != NULL) {
 913       result = info_at(i)->exception_handlers();
 914       break;
 915     }
 916   }
 917 
 918 #ifdef ASSERT
 919   for (i = 0; i < info_count(); i++) {
 920     assert(info_at(i)->exception_handlers() == NULL ||
 921            info_at(i)->exception_handlers() == result,
 922            "only one xhandler list allowed per LIR-operation");
 923   }
 924 #endif
 925 
 926   if (result != NULL) {
 927     return result;
 928   } else {
 929     return new XHandlers();
 930   }
 931 
 932   return result;
 933 }
 934 
 935 
 936 #ifdef ASSERT
 937 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
 938   visit(op);
 939 
 940   return opr_count(inputMode) == 0 &&
 941          opr_count(outputMode) == 0 &&
 942          opr_count(tempMode) == 0 &&
 943          info_count() == 0 &&
 944          !has_call() &&
 945          !has_slow_case();
 946 }
 947 #endif
 948 
 949 //---------------------------------------------------
 950 
 951 
 952 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
 953   masm->emit_call(this);
 954 }
 955 
 956 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
 957   masm->emit_rtcall(this);
 958 }
 959 
 960 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
 961   masm->emit_opLabel(this);
 962 }
 963 
 964 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
 965   masm->emit_arraycopy(this);
 966   masm->append_code_stub(stub());
 967 }
 968 
 969 void LIR_OpUpdateCRC32::emit_code(LIR_Assembler* masm) {
 970   masm->emit_updatecrc32(this);
 971 }
 972 
 973 void LIR_Op0::emit_code(LIR_Assembler* masm) {
 974   masm->emit_op0(this);
 975 }
 976 
 977 void LIR_Op1::emit_code(LIR_Assembler* masm) {
 978   masm->emit_op1(this);
 979 }
 980 
 981 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
 982   masm->emit_alloc_obj(this);
 983   masm->append_code_stub(stub());
 984 }
 985 
 986 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
 987   masm->emit_opBranch(this);
 988   if (stub()) {
 989     masm->append_code_stub(stub());
 990   }
 991 }
 992 
 993 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
 994   masm->emit_opConvert(this);
 995   if (stub() != NULL) {
 996     masm->append_code_stub(stub());
 997   }
 998 }
 999 
1000 void LIR_Op2::emit_code(LIR_Assembler* masm) {
1001   masm->emit_op2(this);
1002 }
1003 
1004 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
1005   masm->emit_alloc_array(this);
1006   masm->append_code_stub(stub());
1007 }
1008 
1009 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
1010   masm->emit_opTypeCheck(this);
1011   if (stub()) {
1012     masm->append_code_stub(stub());
1013   }
1014 }
1015 
1016 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
1017   masm->emit_compare_and_swap(this);
1018 }
1019 
1020 void LIR_Op3::emit_code(LIR_Assembler* masm) {
1021   masm->emit_op3(this);
1022 }
1023 
1024 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
1025   masm->emit_lock(this);
1026   if (stub()) {
1027     masm->append_code_stub(stub());
1028   }
1029 }
1030 
1031 #ifdef ASSERT
1032 void LIR_OpAssert::emit_code(LIR_Assembler* masm) {
1033   masm->emit_assert(this);
1034 }
1035 #endif
1036 
1037 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
1038   masm->emit_delay(this);
1039 }
1040 
1041 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
1042   masm->emit_profile_call(this);
1043 }
1044 
1045 void LIR_OpProfileType::emit_code(LIR_Assembler* masm) {
1046   masm->emit_profile_type(this);
1047 }
1048 
1049 // LIR_List
1050 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
1051   : _operations(8)
1052   , _compilation(compilation)
1053 #ifndef PRODUCT
1054   , _block(block)
1055 #endif
1056 #ifdef ASSERT
1057   , _file(NULL)
1058   , _line(0)
1059 #endif
1060 { }
1061 
1062 
1063 #ifdef ASSERT
1064 void LIR_List::set_file_and_line(const char * file, int line) {
1065   const char * f = strrchr(file, '/');
1066   if (f == NULL) f = strrchr(file, '\\');
1067   if (f == NULL) {
1068     f = file;
1069   } else {
1070     f++;
1071   }
1072   _file = f;
1073   _line = line;
1074 }
1075 #endif
1076 
1077 
1078 void LIR_List::append(LIR_InsertionBuffer* buffer) {
1079   assert(this == buffer->lir_list(), "wrong lir list");
1080   const int n = _operations.length();
1081 
1082   if (buffer->number_of_ops() > 0) {
1083     // increase size of instructions list
1084     _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
1085     // insert ops from buffer into instructions list
1086     int op_index = buffer->number_of_ops() - 1;
1087     int ip_index = buffer->number_of_insertion_points() - 1;
1088     int from_index = n - 1;
1089     int to_index = _operations.length() - 1;
1090     for (; ip_index >= 0; ip_index --) {
1091       int index = buffer->index_at(ip_index);
1092       // make room after insertion point
1093       while (index < from_index) {
1094         _operations.at_put(to_index --, _operations.at(from_index --));
1095       }
1096       // insert ops from buffer
1097       for (int i = buffer->count_at(ip_index); i > 0; i --) {
1098         _operations.at_put(to_index --, buffer->op_at(op_index --));
1099       }
1100     }
1101   }
1102 
1103   buffer->finish();
1104 }
1105 
1106 
1107 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
1108   assert(reg->type() == T_OBJECT, "bad reg");
1109   append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o),  reg, T_OBJECT, lir_patch_normal, info));
1110 }
1111 
1112 void LIR_List::klass2reg_patch(Metadata* o, LIR_Opr reg, CodeEmitInfo* info) {
1113   assert(reg->type() == T_METADATA, "bad reg");
1114   append(new LIR_Op1(lir_move, LIR_OprFact::metadataConst(o), reg, T_METADATA, lir_patch_normal, info));
1115 }
1116 
1117 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1118   append(new LIR_Op1(
1119             lir_move,
1120             LIR_OprFact::address(addr),
1121             src,
1122             addr->type(),
1123             patch_code,
1124             info));
1125 }
1126 
1127 
1128 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1129   append(new LIR_Op1(
1130             lir_move,
1131             LIR_OprFact::address(address),
1132             dst,
1133             address->type(),
1134             patch_code,
1135             info, lir_move_volatile));
1136 }
1137 
1138 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1139   append(new LIR_Op1(
1140             lir_move,
1141             LIR_OprFact::address(new LIR_Address(base, offset, type)),
1142             dst,
1143             type,
1144             patch_code,
1145             info, lir_move_volatile));
1146 }
1147 
1148 
1149 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1150   append(new LIR_Op1(
1151             lir_move,
1152             LIR_OprFact::intConst(v),
1153             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1154             type,
1155             patch_code,
1156             info));
1157 }
1158 
1159 
1160 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1161   append(new LIR_Op1(
1162             lir_move,
1163             LIR_OprFact::oopConst(o),
1164             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
1165             type,
1166             patch_code,
1167             info));
1168 }
1169 
1170 
1171 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1172   append(new LIR_Op1(
1173             lir_move,
1174             src,
1175             LIR_OprFact::address(addr),
1176             addr->type(),
1177             patch_code,
1178             info));
1179 }
1180 
1181 
1182 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1183   append(new LIR_Op1(
1184             lir_move,
1185             src,
1186             LIR_OprFact::address(addr),
1187             addr->type(),
1188             patch_code,
1189             info,
1190             lir_move_volatile));
1191 }
1192 
1193 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
1194   append(new LIR_Op1(
1195             lir_move,
1196             src,
1197             LIR_OprFact::address(new LIR_Address(base, offset, type)),
1198             type,
1199             patch_code,
1200             info, lir_move_volatile));
1201 }
1202 
1203 
1204 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1205   append(new LIR_Op3(
1206                     lir_idiv,
1207                     left,
1208                     right,
1209                     tmp,
1210                     res,
1211                     info));
1212 }
1213 
1214 
1215 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1216   append(new LIR_Op3(
1217                     lir_idiv,
1218                     left,
1219                     LIR_OprFact::intConst(right),
1220                     tmp,
1221                     res,
1222                     info));
1223 }
1224 
1225 
1226 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1227   append(new LIR_Op3(
1228                     lir_irem,
1229                     left,
1230                     right,
1231                     tmp,
1232                     res,
1233                     info));
1234 }
1235 
1236 
1237 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
1238   append(new LIR_Op3(
1239                     lir_irem,
1240                     left,
1241                     LIR_OprFact::intConst(right),
1242                     tmp,
1243                     res,
1244                     info));
1245 }
1246 
1247 
1248 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
1249   append(new LIR_Op2(
1250                     lir_cmp,
1251                     condition,
1252                     LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
1253                     LIR_OprFact::intConst(c),
1254                     info));
1255 }
1256 
1257 
1258 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
1259   append(new LIR_Op2(
1260                     lir_cmp,
1261                     condition,
1262                     reg,
1263                     LIR_OprFact::address(addr),
1264                     info));
1265 }
1266 
1267 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
1268                                int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
1269   append(new LIR_OpAllocObj(
1270                            klass,
1271                            dst,
1272                            t1,
1273                            t2,
1274                            t3,
1275                            t4,
1276                            header_size,
1277                            object_size,
1278                            init_check,
1279                            stub));
1280 }
1281 
1282 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) {
1283   append(new LIR_OpAllocArray(
1284                            klass,
1285                            len,
1286                            dst,
1287                            t1,
1288                            t2,
1289                            t3,
1290                            t4,
1291                            type,
1292                            stub));
1293 }
1294 
1295 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1296  append(new LIR_Op2(
1297                     lir_shl,
1298                     value,
1299                     count,
1300                     dst,
1301                     tmp));
1302 }
1303 
1304 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1305  append(new LIR_Op2(
1306                     lir_shr,
1307                     value,
1308                     count,
1309                     dst,
1310                     tmp));
1311 }
1312 
1313 
1314 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
1315  append(new LIR_Op2(
1316                     lir_ushr,
1317                     value,
1318                     count,
1319                     dst,
1320                     tmp));
1321 }
1322 
1323 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
1324   append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
1325                      left,
1326                      right,
1327                      dst));
1328 }
1329 
1330 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
1331   append(new LIR_OpLock(
1332                     lir_lock,
1333                     hdr,
1334                     obj,
1335                     lock,
1336                     scratch,
1337                     stub,
1338                     info));
1339 }
1340 
1341 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
1342   append(new LIR_OpLock(
1343                     lir_unlock,
1344                     hdr,
1345                     obj,
1346                     lock,
1347                     scratch,
1348                     stub,
1349                     NULL));
1350 }
1351 
1352 
1353 void check_LIR() {
1354   // cannot do the proper checking as PRODUCT and other modes return different results
1355   // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
1356 }
1357 
1358 
1359 
1360 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
1361                           LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
1362                           CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
1363                           ciMethod* profiled_method, int profiled_bci) {
1364   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
1365                                            tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
1366   if (profiled_method != NULL) {
1367     c->set_profiled_method(profiled_method);
1368     c->set_profiled_bci(profiled_bci);
1369     c->set_should_profile(true);
1370   }
1371   append(c);
1372 }
1373 
1374 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) {
1375   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
1376   if (profiled_method != NULL) {
1377     c->set_profiled_method(profiled_method);
1378     c->set_profiled_bci(profiled_bci);
1379     c->set_should_profile(true);
1380   }
1381   append(c);
1382 }
1383 
1384 
1385 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
1386                            CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
1387   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
1388   if (profiled_method != NULL) {
1389     c->set_profiled_method(profiled_method);
1390     c->set_profiled_bci(profiled_bci);
1391     c->set_should_profile(true);
1392   }
1393   append(c);
1394 }
1395 
1396 
1397 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1398                         LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1399   append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
1400 }
1401 
1402 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1403                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1404   append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
1405 }
1406 
1407 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
1408                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
1409   append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
1410 }
1411 
1412 
1413 #ifdef PRODUCT
1414 
1415 void print_LIR(BlockList* blocks) {
1416 }
1417 
1418 #else
1419 // LIR_OprDesc
1420 void LIR_OprDesc::print() const {
1421   print(tty);
1422 }
1423 
1424 void LIR_OprDesc::print(outputStream* out) const {
1425   if (is_illegal()) {
1426     return;
1427   }
1428 
1429   out->print("[");
1430   if (is_pointer()) {
1431     pointer()->print_value_on(out);
1432   } else if (is_single_stack()) {
1433     out->print("stack:%d", single_stack_ix());
1434   } else if (is_double_stack()) {
1435     out->print("dbl_stack:%d",double_stack_ix());
1436   } else if (is_virtual()) {
1437     out->print("R%d", vreg_number());
1438   } else if (is_single_cpu()) {
1439     out->print("%s", as_register()->name());
1440   } else if (is_double_cpu()) {
1441     out->print("%s", as_register_hi()->name());
1442     out->print("%s", as_register_lo()->name());
1443 #if defined(X86)
1444   } else if (is_single_xmm()) {
1445     out->print("%s", as_xmm_float_reg()->name());
1446   } else if (is_double_xmm()) {
1447     out->print("%s", as_xmm_double_reg()->name());
1448   } else if (is_single_fpu()) {
1449     out->print("fpu%d", fpu_regnr());
1450   } else if (is_double_fpu()) {
1451     out->print("fpu%d", fpu_regnrLo());
1452 #elif defined(AARCH64)
1453   } else if (is_single_fpu()) {
1454     out->print("fpu%d", fpu_regnr());
1455   } else if (is_double_fpu()) {
1456     out->print("fpu%d", fpu_regnrLo());
1457 #elif defined(ARM)
1458   } else if (is_single_fpu()) {
1459     out->print("s%d", fpu_regnr());
1460   } else if (is_double_fpu()) {
1461     out->print("d%d", fpu_regnrLo() >> 1);
1462 #else
1463   } else if (is_single_fpu()) {
1464     out->print("%s", as_float_reg()->name());
1465   } else if (is_double_fpu()) {
1466     out->print("%s", as_double_reg()->name());
1467 #endif
1468 
1469   } else if (is_illegal()) {
1470     out->print("-");
1471   } else {
1472     out->print("Unknown Operand");
1473   }
1474   if (!is_illegal()) {
1475     out->print("|%c", type_char());
1476   }
1477   if (is_register() && is_last_use()) {
1478     out->print("(last_use)");
1479   }
1480   out->print("]");
1481 }
1482 
1483 
1484 // LIR_Address
1485 void LIR_Const::print_value_on(outputStream* out) const {
1486   switch (type()) {
1487     case T_ADDRESS:out->print("address:%d",as_jint());          break;
1488     case T_INT:    out->print("int:%d",   as_jint());           break;
1489     case T_LONG:   out->print("lng:" JLONG_FORMAT, as_jlong()); break;
1490     case T_FLOAT:  out->print("flt:%f",   as_jfloat());         break;
1491     case T_DOUBLE: out->print("dbl:%f",   as_jdouble());        break;
1492     case T_OBJECT: out->print("obj:" INTPTR_FORMAT, p2i(as_jobject()));        break;
1493     case T_METADATA: out->print("metadata:" INTPTR_FORMAT, p2i(as_metadata()));break;
1494     default:       out->print("%3d:0x" UINT64_FORMAT_X, type(), (uint64_t)as_jlong()); break;
1495   }
1496 }
1497 
1498 // LIR_Address
1499 void LIR_Address::print_value_on(outputStream* out) const {
1500   out->print("Base:"); _base->print(out);
1501   if (!_index->is_illegal()) {
1502     out->print(" Index:"); _index->print(out);
1503     switch (scale()) {
1504     case times_1: break;
1505     case times_2: out->print(" * 2"); break;
1506     case times_4: out->print(" * 4"); break;
1507     case times_8: out->print(" * 8"); break;
1508     }
1509   }
1510   out->print(" Disp: " INTX_FORMAT, _disp);
1511 }
1512 
1513 // debug output of block header without InstructionPrinter
1514 //       (because phi functions are not necessary for LIR)
1515 static void print_block(BlockBegin* x) {
1516   // print block id
1517   BlockEnd* end = x->end();
1518   tty->print("B%d ", x->block_id());
1519 
1520   // print flags
1521   if (x->is_set(BlockBegin::std_entry_flag))               tty->print("std ");
1522   if (x->is_set(BlockBegin::osr_entry_flag))               tty->print("osr ");
1523   if (x->is_set(BlockBegin::exception_entry_flag))         tty->print("ex ");
1524   if (x->is_set(BlockBegin::subroutine_entry_flag))        tty->print("jsr ");
1525   if (x->is_set(BlockBegin::backward_branch_target_flag))  tty->print("bb ");
1526   if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
1527   if (x->is_set(BlockBegin::linear_scan_loop_end_flag))    tty->print("le ");
1528 
1529   // print block bci range
1530   tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci()));
1531 
1532   // print predecessors and successors
1533   if (x->number_of_preds() > 0) {
1534     tty->print("preds: ");
1535     for (int i = 0; i < x->number_of_preds(); i ++) {
1536       tty->print("B%d ", x->pred_at(i)->block_id());
1537     }
1538   }
1539 
1540   if (x->number_of_sux() > 0) {
1541     tty->print("sux: ");
1542     for (int i = 0; i < x->number_of_sux(); i ++) {
1543       tty->print("B%d ", x->sux_at(i)->block_id());
1544     }
1545   }
1546 
1547   // print exception handlers
1548   if (x->number_of_exception_handlers() > 0) {
1549     tty->print("xhandler: ");
1550     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
1551       tty->print("B%d ", x->exception_handler_at(i)->block_id());
1552     }
1553   }
1554 
1555   tty->cr();
1556 }
1557 
1558 void print_LIR(BlockList* blocks) {
1559   tty->print_cr("LIR:");
1560   int i;
1561   for (i = 0; i < blocks->length(); i++) {
1562     BlockBegin* bb = blocks->at(i);
1563     print_block(bb);
1564     tty->print("__id_Instruction___________________________________________"); tty->cr();
1565     bb->lir()->print_instructions();
1566   }
1567 }
1568 
1569 void LIR_List::print_instructions() {
1570   for (int i = 0; i < _operations.length(); i++) {
1571     _operations.at(i)->print(); tty->cr();
1572   }
1573   tty->cr();
1574 }
1575 
1576 // LIR_Ops printing routines
1577 // LIR_Op
1578 void LIR_Op::print_on(outputStream* out) const {
1579   if (id() != -1 || PrintCFGToFile) {
1580     out->print("%4d ", id());
1581   } else {
1582     out->print("     ");
1583   }
1584   out->print("%s ", name());
1585   print_instr(out);
1586   if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci());
1587 #ifdef ASSERT
1588   if (Verbose && _file != NULL) {
1589     out->print(" (%s:%d)", _file, _line);
1590   }
1591 #endif
1592 }
1593 
1594 const char * LIR_Op::name() const {
1595   const char* s = NULL;
1596   switch(code()) {
1597      // LIR_Op0
1598      case lir_membar:                s = "membar";        break;
1599      case lir_membar_acquire:        s = "membar_acquire"; break;
1600      case lir_membar_release:        s = "membar_release"; break;
1601      case lir_membar_loadload:       s = "membar_loadload";   break;
1602      case lir_membar_storestore:     s = "membar_storestore"; break;
1603      case lir_membar_loadstore:      s = "membar_loadstore";  break;
1604      case lir_membar_storeload:      s = "membar_storeload";  break;
1605      case lir_word_align:            s = "word_align";    break;
1606      case lir_label:                 s = "label";         break;
1607      case lir_nop:                   s = "nop";           break;
1608      case lir_on_spin_wait:          s = "on_spin_wait";  break;
1609      case lir_backwardbranch_target: s = "backbranch";    break;
1610      case lir_std_entry:             s = "std_entry";     break;
1611      case lir_osr_entry:             s = "osr_entry";     break;
1612      case lir_build_frame:           s = "build_frm";     break;
1613      case lir_fpop_raw:              s = "fpop_raw";      break;
1614      case lir_24bit_FPU:             s = "24bit_FPU";     break;
1615      case lir_reset_FPU:             s = "reset_FPU";     break;
1616      case lir_breakpoint:            s = "breakpoint";    break;
1617      case lir_get_thread:            s = "get_thread";    break;
1618      // LIR_Op1
1619      case lir_fxch:                  s = "fxch";          break;
1620      case lir_fld:                   s = "fld";           break;
1621      case lir_ffree:                 s = "ffree";         break;
1622      case lir_push:                  s = "push";          break;
1623      case lir_pop:                   s = "pop";           break;
1624      case lir_null_check:            s = "null_check";    break;
1625      case lir_return:                s = "return";        break;
1626      case lir_safepoint:             s = "safepoint";     break;
1627      case lir_neg:                   s = "neg";           break;
1628      case lir_leal:                  s = "leal";          break;
1629      case lir_branch:                s = "branch";        break;
1630      case lir_cond_float_branch:     s = "flt_cond_br";   break;
1631      case lir_move:                  s = "move";          break;
1632      case lir_roundfp:               s = "roundfp";       break;
1633      case lir_rtcall:                s = "rtcall";        break;
1634      case lir_throw:                 s = "throw";         break;
1635      case lir_unwind:                s = "unwind";        break;
1636      case lir_convert:               s = "convert";       break;
1637      case lir_alloc_object:          s = "alloc_obj";     break;
1638      case lir_monaddr:               s = "mon_addr";      break;
1639      case lir_pack64:                s = "pack64";        break;
1640      case lir_unpack64:              s = "unpack64";      break;
1641      // LIR_Op2
1642      case lir_cmp:                   s = "cmp";           break;
1643      case lir_cmp_l2i:               s = "cmp_l2i";       break;
1644      case lir_ucmp_fd2i:             s = "ucomp_fd2i";    break;
1645      case lir_cmp_fd2i:              s = "comp_fd2i";     break;
1646      case lir_cmove:                 s = "cmove";         break;
1647      case lir_add:                   s = "add";           break;
1648      case lir_sub:                   s = "sub";           break;
1649      case lir_mul:                   s = "mul";           break;
1650      case lir_mul_strictfp:          s = "mul_strictfp";  break;
1651      case lir_div:                   s = "div";           break;
1652      case lir_div_strictfp:          s = "div_strictfp";  break;
1653      case lir_rem:                   s = "rem";           break;
1654      case lir_abs:                   s = "abs";           break;
1655      case lir_sqrt:                  s = "sqrt";          break;
1656      case lir_logic_and:             s = "logic_and";     break;
1657      case lir_logic_or:              s = "logic_or";      break;
1658      case lir_logic_xor:             s = "logic_xor";     break;
1659      case lir_shl:                   s = "shift_left";    break;
1660      case lir_shr:                   s = "shift_right";   break;
1661      case lir_ushr:                  s = "ushift_right";  break;
1662      case lir_alloc_array:           s = "alloc_array";   break;
1663      case lir_xadd:                  s = "xadd";          break;
1664      case lir_xchg:                  s = "xchg";          break;
1665      // LIR_Op3
1666      case lir_idiv:                  s = "idiv";          break;
1667      case lir_irem:                  s = "irem";          break;
1668      case lir_fmad:                  s = "fmad";          break;
1669      case lir_fmaf:                  s = "fmaf";          break;
1670      // LIR_OpJavaCall
1671      case lir_static_call:           s = "static";        break;
1672      case lir_optvirtual_call:       s = "optvirtual";    break;
1673      case lir_icvirtual_call:        s = "icvirtual";     break;
1674      case lir_virtual_call:          s = "virtual";       break;
1675      case lir_dynamic_call:          s = "dynamic";       break;
1676      // LIR_OpArrayCopy
1677      case lir_arraycopy:             s = "arraycopy";     break;
1678      // LIR_OpUpdateCRC32
1679      case lir_updatecrc32:           s = "updatecrc32";   break;
1680      // LIR_OpLock
1681      case lir_lock:                  s = "lock";          break;
1682      case lir_unlock:                s = "unlock";        break;
1683      // LIR_OpDelay
1684      case lir_delay_slot:            s = "delay";         break;
1685      // LIR_OpTypeCheck
1686      case lir_instanceof:            s = "instanceof";    break;
1687      case lir_checkcast:             s = "checkcast";     break;
1688      case lir_store_check:           s = "store_check";   break;
1689      // LIR_OpCompareAndSwap
1690      case lir_cas_long:              s = "cas_long";      break;
1691      case lir_cas_obj:               s = "cas_obj";      break;
1692      case lir_cas_int:               s = "cas_int";      break;
1693      // LIR_OpProfileCall
1694      case lir_profile_call:          s = "profile_call";  break;
1695      // LIR_OpProfileType
1696      case lir_profile_type:          s = "profile_type";  break;
1697      // LIR_OpAssert
1698 #ifdef ASSERT
1699      case lir_assert:                s = "assert";        break;
1700 #endif
1701      case lir_none:                  ShouldNotReachHere();break;
1702     default:                         s = "illegal_op";    break;
1703   }
1704   return s;
1705 }
1706 
1707 // LIR_OpJavaCall
1708 void LIR_OpJavaCall::print_instr(outputStream* out) const {
1709   out->print("call: ");
1710   out->print("[addr: " INTPTR_FORMAT "]", p2i(address()));
1711   if (receiver()->is_valid()) {
1712     out->print(" [recv: ");   receiver()->print(out);   out->print("]");
1713   }
1714   if (result_opr()->is_valid()) {
1715     out->print(" [result: "); result_opr()->print(out); out->print("]");
1716   }
1717 }
1718 
1719 // LIR_OpLabel
1720 void LIR_OpLabel::print_instr(outputStream* out) const {
1721   out->print("[label:" INTPTR_FORMAT "]", p2i(_label));
1722 }
1723 
1724 // LIR_OpArrayCopy
1725 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
1726   src()->print(out);     out->print(" ");
1727   src_pos()->print(out); out->print(" ");
1728   dst()->print(out);     out->print(" ");
1729   dst_pos()->print(out); out->print(" ");
1730   length()->print(out);  out->print(" ");
1731   tmp()->print(out);     out->print(" ");
1732 }
1733 
1734 // LIR_OpUpdateCRC32
1735 void LIR_OpUpdateCRC32::print_instr(outputStream* out) const {
1736   crc()->print(out);     out->print(" ");
1737   val()->print(out);     out->print(" ");
1738   result_opr()->print(out); out->print(" ");
1739 }
1740 
1741 // LIR_OpCompareAndSwap
1742 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
1743   addr()->print(out);      out->print(" ");
1744   cmp_value()->print(out); out->print(" ");
1745   new_value()->print(out); out->print(" ");
1746   tmp1()->print(out);      out->print(" ");
1747   tmp2()->print(out);      out->print(" ");
1748 
1749 }
1750 
1751 // LIR_Op0
1752 void LIR_Op0::print_instr(outputStream* out) const {
1753   result_opr()->print(out);
1754 }
1755 
1756 // LIR_Op1
1757 const char * LIR_Op1::name() const {
1758   if (code() == lir_move) {
1759     switch (move_kind()) {
1760     case lir_move_normal:
1761       return "move";
1762     case lir_move_unaligned:
1763       return "unaligned move";
1764     case lir_move_volatile:
1765       return "volatile_move";
1766     case lir_move_wide:
1767       return "wide_move";
1768     default:
1769       ShouldNotReachHere();
1770     return "illegal_op";
1771     }
1772   } else {
1773     return LIR_Op::name();
1774   }
1775 }
1776 
1777 
1778 void LIR_Op1::print_instr(outputStream* out) const {
1779   _opr->print(out);         out->print(" ");
1780   result_opr()->print(out); out->print(" ");
1781   print_patch_code(out, patch_code());
1782 }
1783 
1784 
1785 // LIR_Op1
1786 void LIR_OpRTCall::print_instr(outputStream* out) const {
1787   intx a = (intx)addr();
1788   out->print("%s", Runtime1::name_for_address(addr()));
1789   out->print(" ");
1790   tmp()->print(out);
1791 }
1792 
1793 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
1794   switch(code) {
1795     case lir_patch_none:                                 break;
1796     case lir_patch_low:    out->print("[patch_low]");    break;
1797     case lir_patch_high:   out->print("[patch_high]");   break;
1798     case lir_patch_normal: out->print("[patch_normal]"); break;
1799     default: ShouldNotReachHere();
1800   }
1801 }
1802 
1803 // LIR_OpBranch
1804 void LIR_OpBranch::print_instr(outputStream* out) const {
1805   print_condition(out, cond());             out->print(" ");
1806   if (block() != NULL) {
1807     out->print("[B%d] ", block()->block_id());
1808   } else if (stub() != NULL) {
1809     out->print("[");
1810     stub()->print_name(out);
1811     out->print(": " INTPTR_FORMAT "]", p2i(stub()));
1812     if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci());
1813   } else {
1814     out->print("[label:" INTPTR_FORMAT "] ", p2i(label()));
1815   }
1816   if (ublock() != NULL) {
1817     out->print("unordered: [B%d] ", ublock()->block_id());
1818   }
1819 }
1820 
1821 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
1822   switch(cond) {
1823     case lir_cond_equal:           out->print("[EQ]");      break;
1824     case lir_cond_notEqual:        out->print("[NE]");      break;
1825     case lir_cond_less:            out->print("[LT]");      break;
1826     case lir_cond_lessEqual:       out->print("[LE]");      break;
1827     case lir_cond_greaterEqual:    out->print("[GE]");      break;
1828     case lir_cond_greater:         out->print("[GT]");      break;
1829     case lir_cond_belowEqual:      out->print("[BE]");      break;
1830     case lir_cond_aboveEqual:      out->print("[AE]");      break;
1831     case lir_cond_always:          out->print("[AL]");      break;
1832     default:                       out->print("[%d]",cond); break;
1833   }
1834 }
1835 
1836 // LIR_OpConvert
1837 void LIR_OpConvert::print_instr(outputStream* out) const {
1838   print_bytecode(out, bytecode());
1839   in_opr()->print(out);                  out->print(" ");
1840   result_opr()->print(out);              out->print(" ");
1841 #ifdef PPC32
1842   if(tmp1()->is_valid()) {
1843     tmp1()->print(out); out->print(" ");
1844     tmp2()->print(out); out->print(" ");
1845   }
1846 #endif
1847 }
1848 
1849 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
1850   switch(code) {
1851     case Bytecodes::_d2f: out->print("[d2f] "); break;
1852     case Bytecodes::_d2i: out->print("[d2i] "); break;
1853     case Bytecodes::_d2l: out->print("[d2l] "); break;
1854     case Bytecodes::_f2d: out->print("[f2d] "); break;
1855     case Bytecodes::_f2i: out->print("[f2i] "); break;
1856     case Bytecodes::_f2l: out->print("[f2l] "); break;
1857     case Bytecodes::_i2b: out->print("[i2b] "); break;
1858     case Bytecodes::_i2c: out->print("[i2c] "); break;
1859     case Bytecodes::_i2d: out->print("[i2d] "); break;
1860     case Bytecodes::_i2f: out->print("[i2f] "); break;
1861     case Bytecodes::_i2l: out->print("[i2l] "); break;
1862     case Bytecodes::_i2s: out->print("[i2s] "); break;
1863     case Bytecodes::_l2i: out->print("[l2i] "); break;
1864     case Bytecodes::_l2f: out->print("[l2f] "); break;
1865     case Bytecodes::_l2d: out->print("[l2d] "); break;
1866     default:
1867       out->print("[?%d]",code);
1868     break;
1869   }
1870 }
1871 
1872 void LIR_OpAllocObj::print_instr(outputStream* out) const {
1873   klass()->print(out);                      out->print(" ");
1874   obj()->print(out);                        out->print(" ");
1875   tmp1()->print(out);                       out->print(" ");
1876   tmp2()->print(out);                       out->print(" ");
1877   tmp3()->print(out);                       out->print(" ");
1878   tmp4()->print(out);                       out->print(" ");
1879   out->print("[hdr:%d]", header_size()); out->print(" ");
1880   out->print("[obj:%d]", object_size()); out->print(" ");
1881   out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1882 }
1883 
1884 void LIR_OpRoundFP::print_instr(outputStream* out) const {
1885   _opr->print(out);         out->print(" ");
1886   tmp()->print(out);        out->print(" ");
1887   result_opr()->print(out); out->print(" ");
1888 }
1889 
1890 // LIR_Op2
1891 void LIR_Op2::print_instr(outputStream* out) const {
1892   if (code() == lir_cmove || code() == lir_cmp) {
1893     print_condition(out, condition());         out->print(" ");
1894   }
1895   in_opr1()->print(out);    out->print(" ");
1896   in_opr2()->print(out);    out->print(" ");
1897   if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out);    out->print(" "); }
1898   if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out);    out->print(" "); }
1899   if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out);    out->print(" "); }
1900   if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out);    out->print(" "); }
1901   if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out);    out->print(" "); }
1902   result_opr()->print(out);
1903 }
1904 
1905 void LIR_OpAllocArray::print_instr(outputStream* out) const {
1906   klass()->print(out);                   out->print(" ");
1907   len()->print(out);                     out->print(" ");
1908   obj()->print(out);                     out->print(" ");
1909   tmp1()->print(out);                    out->print(" ");
1910   tmp2()->print(out);                    out->print(" ");
1911   tmp3()->print(out);                    out->print(" ");
1912   tmp4()->print(out);                    out->print(" ");
1913   out->print("[type:0x%x]", type());     out->print(" ");
1914   out->print("[label:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1915 }
1916 
1917 
1918 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
1919   object()->print(out);                  out->print(" ");
1920   if (code() == lir_store_check) {
1921     array()->print(out);                 out->print(" ");
1922   }
1923   if (code() != lir_store_check) {
1924     klass()->print_name_on(out);         out->print(" ");
1925     if (fast_check())                 out->print("fast_check ");
1926   }
1927   tmp1()->print(out);                    out->print(" ");
1928   tmp2()->print(out);                    out->print(" ");
1929   tmp3()->print(out);                    out->print(" ");
1930   result_opr()->print(out);              out->print(" ");
1931   if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
1932 }
1933 
1934 
1935 // LIR_Op3
1936 void LIR_Op3::print_instr(outputStream* out) const {
1937   in_opr1()->print(out);    out->print(" ");
1938   in_opr2()->print(out);    out->print(" ");
1939   in_opr3()->print(out);    out->print(" ");
1940   result_opr()->print(out);
1941 }
1942 
1943 
1944 void LIR_OpLock::print_instr(outputStream* out) const {
1945   hdr_opr()->print(out);   out->print(" ");
1946   obj_opr()->print(out);   out->print(" ");
1947   lock_opr()->print(out);  out->print(" ");
1948   if (_scratch->is_valid()) {
1949     _scratch->print(out);  out->print(" ");
1950   }
1951   out->print("[lbl:" INTPTR_FORMAT "]", p2i(stub()->entry()));
1952 }
1953 
1954 #ifdef ASSERT
1955 void LIR_OpAssert::print_instr(outputStream* out) const {
1956   print_condition(out, condition()); out->print(" ");
1957   in_opr1()->print(out);             out->print(" ");
1958   in_opr2()->print(out);             out->print(", \"");
1959   out->print("%s", msg());          out->print("\"");
1960 }
1961 #endif
1962 
1963 
1964 void LIR_OpDelay::print_instr(outputStream* out) const {
1965   _op->print_on(out);
1966 }
1967 
1968 
1969 // LIR_OpProfileCall
1970 void LIR_OpProfileCall::print_instr(outputStream* out) const {
1971   profiled_method()->name()->print_symbol_on(out);
1972   out->print(".");
1973   profiled_method()->holder()->name()->print_symbol_on(out);
1974   out->print(" @ %d ", profiled_bci());
1975   mdo()->print(out);           out->print(" ");
1976   recv()->print(out);          out->print(" ");
1977   tmp1()->print(out);          out->print(" ");
1978 }
1979 
1980 // LIR_OpProfileType
1981 void LIR_OpProfileType::print_instr(outputStream* out) const {
1982   out->print("exact = ");
1983   if  (exact_klass() == NULL) {
1984     out->print("unknown");
1985   } else {
1986     exact_klass()->print_name_on(out);
1987   }
1988   out->print(" current = "); ciTypeEntries::print_ciklass(out, current_klass());
1989   out->print(" ");
1990   mdp()->print(out);          out->print(" ");
1991   obj()->print(out);          out->print(" ");
1992   tmp()->print(out);          out->print(" ");
1993 }
1994 
1995 #endif // PRODUCT
1996 
1997 // Implementation of LIR_InsertionBuffer
1998 
1999 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
2000   assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
2001 
2002   int i = number_of_insertion_points() - 1;
2003   if (i < 0 || index_at(i) < index) {
2004     append_new(index, 1);
2005   } else {
2006     assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
2007     assert(count_at(i) > 0, "check");
2008     set_count_at(i, count_at(i) + 1);
2009   }
2010   _ops.push(op);
2011 
2012   DEBUG_ONLY(verify());
2013 }
2014 
2015 #ifdef ASSERT
2016 void LIR_InsertionBuffer::verify() {
2017   int sum = 0;
2018   int prev_idx = -1;
2019 
2020   for (int i = 0; i < number_of_insertion_points(); i++) {
2021     assert(prev_idx < index_at(i), "index must be ordered ascending");
2022     sum += count_at(i);
2023   }
2024   assert(sum == number_of_ops(), "wrong total sum");
2025 }
2026 #endif
--- EOF ---