src/share/vm/c1/c1_LIR.cpp

Wed, 22 Sep 2010 21:10:46 -0700

author
never
date
Wed, 22 Sep 2010 21:10:46 -0700
changeset 2171
87b64980e2f1
parent 2146
3a294e483abc
child 2174
f02a8bbe6ed4
permissions
-rw-r--r--

6972540: sun/nio/ch/SocketChannelImpl compilation crashed when executing CompileTheWorld
Reviewed-by: kvn

     1 /*
     2  * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 # include "incls/_precompiled.incl"
    26 # include "incls/_c1_LIR.cpp.incl"
    28 Register LIR_OprDesc::as_register() const {
    29   return FrameMap::cpu_rnr2reg(cpu_regnr());
    30 }
    32 Register LIR_OprDesc::as_register_lo() const {
    33   return FrameMap::cpu_rnr2reg(cpu_regnrLo());
    34 }
    36 Register LIR_OprDesc::as_register_hi() const {
    37   return FrameMap::cpu_rnr2reg(cpu_regnrHi());
    38 }
    40 #if defined(X86)
    42 XMMRegister LIR_OprDesc::as_xmm_float_reg() const {
    43   return FrameMap::nr2xmmreg(xmm_regnr());
    44 }
    46 XMMRegister LIR_OprDesc::as_xmm_double_reg() const {
    47   assert(xmm_regnrLo() == xmm_regnrHi(), "assumed in calculation");
    48   return FrameMap::nr2xmmreg(xmm_regnrLo());
    49 }
    51 #endif // X86
    53 #if defined(SPARC) || defined(PPC)
    55 FloatRegister LIR_OprDesc::as_float_reg() const {
    56   return FrameMap::nr2floatreg(fpu_regnr());
    57 }
    59 FloatRegister LIR_OprDesc::as_double_reg() const {
    60   return FrameMap::nr2floatreg(fpu_regnrHi());
    61 }
    63 #endif
    65 #ifdef ARM
    67 FloatRegister LIR_OprDesc::as_float_reg() const {
    68   return as_FloatRegister(fpu_regnr());
    69 }
    71 FloatRegister LIR_OprDesc::as_double_reg() const {
    72   return as_FloatRegister(fpu_regnrLo());
    73 }
    75 #endif
    78 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
    80 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
    81   ValueTag tag = type->tag();
    82   switch (tag) {
    83   case objectTag : {
    84     ClassConstant* c = type->as_ClassConstant();
    85     if (c != NULL && !c->value()->is_loaded()) {
    86       return LIR_OprFact::oopConst(NULL);
    87     } else {
    88       return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
    89     }
    90   }
    91   case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
    92   case intTag    : return LIR_OprFact::intConst(type->as_IntConstant()->value());
    93   case floatTag  : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
    94   case longTag   : return LIR_OprFact::longConst(type->as_LongConstant()->value());
    95   case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
    96   default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
    97   }
    98 }
   101 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) {
   102   switch (type->tag()) {
   103     case objectTag: return LIR_OprFact::oopConst(NULL);
   104     case addressTag:return LIR_OprFact::addressConst(0);
   105     case intTag:    return LIR_OprFact::intConst(0);
   106     case floatTag:  return LIR_OprFact::floatConst(0.0);
   107     case longTag:   return LIR_OprFact::longConst(0);
   108     case doubleTag: return LIR_OprFact::doubleConst(0.0);
   109     default:        ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
   110   }
   111   return illegalOpr;
   112 }
   116 //---------------------------------------------------
   119 LIR_Address::Scale LIR_Address::scale(BasicType type) {
   120   int elem_size = type2aelembytes(type);
   121   switch (elem_size) {
   122   case 1: return LIR_Address::times_1;
   123   case 2: return LIR_Address::times_2;
   124   case 4: return LIR_Address::times_4;
   125   case 8: return LIR_Address::times_8;
   126   }
   127   ShouldNotReachHere();
   128   return LIR_Address::times_1;
   129 }
   132 #ifndef PRODUCT
   133 void LIR_Address::verify() const {
   134 #if defined(SPARC) || defined(PPC)
   135   assert(scale() == times_1, "Scaled addressing mode not available on SPARC/PPC and should not be used");
   136   assert(disp() == 0 || index()->is_illegal(), "can't have both");
   137 #endif
   138 #ifdef ARM
   139   assert(disp() == 0 || index()->is_illegal(), "can't have both");
   140   assert(-4096 < disp() && disp() < 4096, "architecture constraint");
   141 #endif
   142 #ifdef _LP64
   143   assert(base()->is_cpu_register(), "wrong base operand");
   144   assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
   145   assert(base()->type() == T_OBJECT || base()->type() == T_LONG,
   146          "wrong type for addresses");
   147 #else
   148   assert(base()->is_single_cpu(), "wrong base operand");
   149   assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand");
   150   assert(base()->type() == T_OBJECT || base()->type() == T_INT,
   151          "wrong type for addresses");
   152 #endif
   153 }
   154 #endif
   157 //---------------------------------------------------
   159 char LIR_OprDesc::type_char(BasicType t) {
   160   switch (t) {
   161     case T_ARRAY:
   162       t = T_OBJECT;
   163     case T_BOOLEAN:
   164     case T_CHAR:
   165     case T_FLOAT:
   166     case T_DOUBLE:
   167     case T_BYTE:
   168     case T_SHORT:
   169     case T_INT:
   170     case T_LONG:
   171     case T_OBJECT:
   172     case T_ADDRESS:
   173     case T_VOID:
   174       return ::type2char(t);
   176     case T_ILLEGAL:
   177       return '?';
   179     default:
   180       ShouldNotReachHere();
   181       return '?';
   182   }
   183 }
   185 #ifndef PRODUCT
   186 void LIR_OprDesc::validate_type() const {
   188 #ifdef ASSERT
   189   if (!is_pointer() && !is_illegal()) {
   190     switch (as_BasicType(type_field())) {
   191     case T_LONG:
   192       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   193              size_field() == double_size, "must match");
   194       break;
   195     case T_FLOAT:
   196       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   197       assert((kind_field() == fpu_register || kind_field() == stack_value
   198              ARM_ONLY(|| kind_field() == cpu_register)
   199              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   200              size_field() == single_size, "must match");
   201       break;
   202     case T_DOUBLE:
   203       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   204       assert((kind_field() == fpu_register || kind_field() == stack_value
   205              ARM_ONLY(|| kind_field() == cpu_register)
   206              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   207              size_field() == double_size, "must match");
   208       break;
   209     case T_BOOLEAN:
   210     case T_CHAR:
   211     case T_BYTE:
   212     case T_SHORT:
   213     case T_INT:
   214     case T_ADDRESS:
   215     case T_OBJECT:
   216     case T_ARRAY:
   217       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   218              size_field() == single_size, "must match");
   219       break;
   221     case T_ILLEGAL:
   222       // XXX TKR also means unknown right now
   223       // assert(is_illegal(), "must match");
   224       break;
   226     default:
   227       ShouldNotReachHere();
   228     }
   229   }
   230 #endif
   232 }
   233 #endif // PRODUCT
   236 bool LIR_OprDesc::is_oop() const {
   237   if (is_pointer()) {
   238     return pointer()->is_oop_pointer();
   239   } else {
   240     OprType t= type_field();
   241     assert(t != unknown_type, "not set");
   242     return t == object_type;
   243   }
   244 }
   248 void LIR_Op2::verify() const {
   249 #ifdef ASSERT
   250   switch (code()) {
   251     case lir_cmove:
   252       break;
   254     default:
   255       assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
   256              "can't produce oops from arith");
   257   }
   259   if (TwoOperandLIRForm) {
   260     switch (code()) {
   261     case lir_add:
   262     case lir_sub:
   263     case lir_mul:
   264     case lir_mul_strictfp:
   265     case lir_div:
   266     case lir_div_strictfp:
   267     case lir_rem:
   268     case lir_logic_and:
   269     case lir_logic_or:
   270     case lir_logic_xor:
   271     case lir_shl:
   272     case lir_shr:
   273       assert(in_opr1() == result_opr(), "opr1 and result must match");
   274       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   275       break;
   277     // special handling for lir_ushr because of write barriers
   278     case lir_ushr:
   279       assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant");
   280       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   281       break;
   283     }
   284   }
   285 #endif
   286 }
   289 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
   290   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   291   , _cond(cond)
   292   , _type(type)
   293   , _label(block->label())
   294   , _block(block)
   295   , _ublock(NULL)
   296   , _stub(NULL) {
   297 }
   299 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
   300   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   301   , _cond(cond)
   302   , _type(type)
   303   , _label(stub->entry())
   304   , _block(NULL)
   305   , _ublock(NULL)
   306   , _stub(stub) {
   307 }
   309 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock)
   310   : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   311   , _cond(cond)
   312   , _type(type)
   313   , _label(block->label())
   314   , _block(block)
   315   , _ublock(ublock)
   316   , _stub(NULL)
   317 {
   318 }
   320 void LIR_OpBranch::change_block(BlockBegin* b) {
   321   assert(_block != NULL, "must have old block");
   322   assert(_block->label() == label(), "must be equal");
   324   _block = b;
   325   _label = b->label();
   326 }
   328 void LIR_OpBranch::change_ublock(BlockBegin* b) {
   329   assert(_ublock != NULL, "must have old block");
   330   _ublock = b;
   331 }
   333 void LIR_OpBranch::negate_cond() {
   334   switch (_cond) {
   335     case lir_cond_equal:        _cond = lir_cond_notEqual;     break;
   336     case lir_cond_notEqual:     _cond = lir_cond_equal;        break;
   337     case lir_cond_less:         _cond = lir_cond_greaterEqual; break;
   338     case lir_cond_lessEqual:    _cond = lir_cond_greater;      break;
   339     case lir_cond_greaterEqual: _cond = lir_cond_less;         break;
   340     case lir_cond_greater:      _cond = lir_cond_lessEqual;    break;
   341     default: ShouldNotReachHere();
   342   }
   343 }
   346 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
   347                                  LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
   348                                  bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
   349                                  CodeStub* stub)
   351   : LIR_Op(code, result, NULL)
   352   , _object(object)
   353   , _array(LIR_OprFact::illegalOpr)
   354   , _klass(klass)
   355   , _tmp1(tmp1)
   356   , _tmp2(tmp2)
   357   , _tmp3(tmp3)
   358   , _fast_check(fast_check)
   359   , _stub(stub)
   360   , _info_for_patch(info_for_patch)
   361   , _info_for_exception(info_for_exception)
   362   , _profiled_method(NULL)
   363   , _profiled_bci(-1)
   364   , _should_profile(false)
   365 {
   366   if (code == lir_checkcast) {
   367     assert(info_for_exception != NULL, "checkcast throws exceptions");
   368   } else if (code == lir_instanceof) {
   369     assert(info_for_exception == NULL, "instanceof throws no exceptions");
   370   } else {
   371     ShouldNotReachHere();
   372   }
   373 }
   377 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)
   378   : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
   379   , _object(object)
   380   , _array(array)
   381   , _klass(NULL)
   382   , _tmp1(tmp1)
   383   , _tmp2(tmp2)
   384   , _tmp3(tmp3)
   385   , _fast_check(false)
   386   , _stub(NULL)
   387   , _info_for_patch(NULL)
   388   , _info_for_exception(info_for_exception)
   389   , _profiled_method(NULL)
   390   , _profiled_bci(-1)
   391   , _should_profile(false)
   392 {
   393   if (code == lir_store_check) {
   394     _stub = new ArrayStoreExceptionStub(info_for_exception);
   395     assert(info_for_exception != NULL, "store_check throws exceptions");
   396   } else {
   397     ShouldNotReachHere();
   398   }
   399 }
   402 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
   403                                  LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
   404   : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
   405   , _tmp(tmp)
   406   , _src(src)
   407   , _src_pos(src_pos)
   408   , _dst(dst)
   409   , _dst_pos(dst_pos)
   410   , _flags(flags)
   411   , _expected_type(expected_type)
   412   , _length(length) {
   413   _stub = new ArrayCopyStub(this);
   414 }
   417 //-------------------verify--------------------------
   419 void LIR_Op1::verify() const {
   420   switch(code()) {
   421   case lir_move:
   422     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
   423     break;
   424   case lir_null_check:
   425     assert(in_opr()->is_register(), "must be");
   426     break;
   427   case lir_return:
   428     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
   429     break;
   430   }
   431 }
   433 void LIR_OpRTCall::verify() const {
   434   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
   435 }
   437 //-------------------visits--------------------------
   439 // complete rework of LIR instruction visitor.
   440 // The virtual calls for each instruction type is replaced by a big
   441 // switch that adds the operands for each instruction
   443 void LIR_OpVisitState::visit(LIR_Op* op) {
   444   // copy information from the LIR_Op
   445   reset();
   446   set_op(op);
   448   switch (op->code()) {
   450 // LIR_Op0
   451     case lir_word_align:               // result and info always invalid
   452     case lir_backwardbranch_target:    // result and info always invalid
   453     case lir_build_frame:              // result and info always invalid
   454     case lir_fpop_raw:                 // result and info always invalid
   455     case lir_24bit_FPU:                // result and info always invalid
   456     case lir_reset_FPU:                // result and info always invalid
   457     case lir_breakpoint:               // result and info always invalid
   458     case lir_membar:                   // result and info always invalid
   459     case lir_membar_acquire:           // result and info always invalid
   460     case lir_membar_release:           // result and info always invalid
   461     {
   462       assert(op->as_Op0() != NULL, "must be");
   463       assert(op->_info == NULL, "info not used by this instruction");
   464       assert(op->_result->is_illegal(), "not used");
   465       break;
   466     }
   468     case lir_nop:                      // may have info, result always invalid
   469     case lir_std_entry:                // may have result, info always invalid
   470     case lir_osr_entry:                // may have result, info always invalid
   471     case lir_get_thread:               // may have result, info always invalid
   472     {
   473       assert(op->as_Op0() != NULL, "must be");
   474       if (op->_info != NULL)           do_info(op->_info);
   475       if (op->_result->is_valid())     do_output(op->_result);
   476       break;
   477     }
   480 // LIR_OpLabel
   481     case lir_label:                    // result and info always invalid
   482     {
   483       assert(op->as_OpLabel() != NULL, "must be");
   484       assert(op->_info == NULL, "info not used by this instruction");
   485       assert(op->_result->is_illegal(), "not used");
   486       break;
   487     }
   490 // LIR_Op1
   491     case lir_fxch:           // input always valid, result and info always invalid
   492     case lir_fld:            // input always valid, result and info always invalid
   493     case lir_ffree:          // input always valid, result and info always invalid
   494     case lir_push:           // input always valid, result and info always invalid
   495     case lir_pop:            // input always valid, result and info always invalid
   496     case lir_return:         // input always valid, result and info always invalid
   497     case lir_leal:           // input and result always valid, info always invalid
   498     case lir_neg:            // input and result always valid, info always invalid
   499     case lir_monaddr:        // input and result always valid, info always invalid
   500     case lir_null_check:     // input and info always valid, result always invalid
   501     case lir_move:           // input and result always valid, may have info
   502     case lir_pack64:         // input and result always valid
   503     case lir_unpack64:       // input and result always valid
   504     case lir_prefetchr:      // input always valid, result and info always invalid
   505     case lir_prefetchw:      // input always valid, result and info always invalid
   506     {
   507       assert(op->as_Op1() != NULL, "must be");
   508       LIR_Op1* op1 = (LIR_Op1*)op;
   510       if (op1->_info)                  do_info(op1->_info);
   511       if (op1->_opr->is_valid())       do_input(op1->_opr);
   512       if (op1->_result->is_valid())    do_output(op1->_result);
   514       break;
   515     }
   517     case lir_safepoint:
   518     {
   519       assert(op->as_Op1() != NULL, "must be");
   520       LIR_Op1* op1 = (LIR_Op1*)op;
   522       assert(op1->_info != NULL, "");  do_info(op1->_info);
   523       if (op1->_opr->is_valid())       do_temp(op1->_opr); // safepoints on SPARC need temporary register
   524       assert(op1->_result->is_illegal(), "safepoint does not produce value");
   526       break;
   527     }
   529 // LIR_OpConvert;
   530     case lir_convert:        // input and result always valid, info always invalid
   531     {
   532       assert(op->as_OpConvert() != NULL, "must be");
   533       LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
   535       assert(opConvert->_info == NULL, "must be");
   536       if (opConvert->_opr->is_valid())       do_input(opConvert->_opr);
   537       if (opConvert->_result->is_valid())    do_output(opConvert->_result);
   538 #ifdef PPC
   539       if (opConvert->_tmp1->is_valid())      do_temp(opConvert->_tmp1);
   540       if (opConvert->_tmp2->is_valid())      do_temp(opConvert->_tmp2);
   541 #endif
   542       do_stub(opConvert->_stub);
   544       break;
   545     }
   547 // LIR_OpBranch;
   548     case lir_branch:                   // may have info, input and result register always invalid
   549     case lir_cond_float_branch:        // may have info, input and result register always invalid
   550     {
   551       assert(op->as_OpBranch() != NULL, "must be");
   552       LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
   554       if (opBranch->_info != NULL)     do_info(opBranch->_info);
   555       assert(opBranch->_result->is_illegal(), "not used");
   556       if (opBranch->_stub != NULL)     opBranch->stub()->visit(this);
   558       break;
   559     }
   562 // LIR_OpAllocObj
   563     case lir_alloc_object:
   564     {
   565       assert(op->as_OpAllocObj() != NULL, "must be");
   566       LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
   568       if (opAllocObj->_info)                     do_info(opAllocObj->_info);
   569       if (opAllocObj->_opr->is_valid()) {        do_input(opAllocObj->_opr);
   570                                                  do_temp(opAllocObj->_opr);
   571                                         }
   572       if (opAllocObj->_tmp1->is_valid())         do_temp(opAllocObj->_tmp1);
   573       if (opAllocObj->_tmp2->is_valid())         do_temp(opAllocObj->_tmp2);
   574       if (opAllocObj->_tmp3->is_valid())         do_temp(opAllocObj->_tmp3);
   575       if (opAllocObj->_tmp4->is_valid())         do_temp(opAllocObj->_tmp4);
   576       if (opAllocObj->_result->is_valid())       do_output(opAllocObj->_result);
   577                                                  do_stub(opAllocObj->_stub);
   578       break;
   579     }
   582 // LIR_OpRoundFP;
   583     case lir_roundfp: {
   584       assert(op->as_OpRoundFP() != NULL, "must be");
   585       LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
   587       assert(op->_info == NULL, "info not used by this instruction");
   588       assert(opRoundFP->_tmp->is_illegal(), "not used");
   589       do_input(opRoundFP->_opr);
   590       do_output(opRoundFP->_result);
   592       break;
   593     }
   596 // LIR_Op2
   597     case lir_cmp:
   598     case lir_cmp_l2i:
   599     case lir_ucmp_fd2i:
   600     case lir_cmp_fd2i:
   601     case lir_add:
   602     case lir_sub:
   603     case lir_mul:
   604     case lir_div:
   605     case lir_rem:
   606     case lir_sqrt:
   607     case lir_abs:
   608     case lir_logic_and:
   609     case lir_logic_or:
   610     case lir_logic_xor:
   611     case lir_shl:
   612     case lir_shr:
   613     case lir_ushr:
   614     {
   615       assert(op->as_Op2() != NULL, "must be");
   616       LIR_Op2* op2 = (LIR_Op2*)op;
   618       if (op2->_info)                     do_info(op2->_info);
   619       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
   620       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
   621       if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
   622       if (op2->_result->is_valid())       do_output(op2->_result);
   624       break;
   625     }
   627     // special handling for cmove: right input operand must not be equal
   628     // to the result operand, otherwise the backend fails
   629     case lir_cmove:
   630     {
   631       assert(op->as_Op2() != NULL, "must be");
   632       LIR_Op2* op2 = (LIR_Op2*)op;
   634       assert(op2->_info == NULL && op2->_tmp->is_illegal(), "not used");
   635       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
   637       do_input(op2->_opr1);
   638       do_input(op2->_opr2);
   639       do_temp(op2->_opr2);
   640       do_output(op2->_result);
   642       break;
   643     }
   645     // vspecial handling for strict operations: register input operands
   646     // as temp to guarantee that they do not overlap with other
   647     // registers
   648     case lir_mul_strictfp:
   649     case lir_div_strictfp:
   650     {
   651       assert(op->as_Op2() != NULL, "must be");
   652       LIR_Op2* op2 = (LIR_Op2*)op;
   654       assert(op2->_info == NULL, "not used");
   655       assert(op2->_opr1->is_valid(), "used");
   656       assert(op2->_opr2->is_valid(), "used");
   657       assert(op2->_result->is_valid(), "used");
   659       do_input(op2->_opr1); do_temp(op2->_opr1);
   660       do_input(op2->_opr2); do_temp(op2->_opr2);
   661       if (op2->_tmp->is_valid()) do_temp(op2->_tmp);
   662       do_output(op2->_result);
   664       break;
   665     }
   667     case lir_throw: {
   668       assert(op->as_Op2() != NULL, "must be");
   669       LIR_Op2* op2 = (LIR_Op2*)op;
   671       if (op2->_info)                     do_info(op2->_info);
   672       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
   673       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
   674       assert(op2->_result->is_illegal(), "no result");
   676       break;
   677     }
   679     case lir_unwind: {
   680       assert(op->as_Op1() != NULL, "must be");
   681       LIR_Op1* op1 = (LIR_Op1*)op;
   683       assert(op1->_info == NULL, "no info");
   684       assert(op1->_opr->is_valid(), "exception oop");         do_input(op1->_opr);
   685       assert(op1->_result->is_illegal(), "no result");
   687       break;
   688     }
   691     case lir_tan:
   692     case lir_sin:
   693     case lir_cos:
   694     case lir_log:
   695     case lir_log10: {
   696       assert(op->as_Op2() != NULL, "must be");
   697       LIR_Op2* op2 = (LIR_Op2*)op;
   699       // On x86 tan/sin/cos need two temporary fpu stack slots and
   700       // log/log10 need one so handle opr2 and tmp as temp inputs.
   701       // Register input operand as temp to guarantee that it doesn't
   702       // overlap with the input.
   703       assert(op2->_info == NULL, "not used");
   704       assert(op2->_opr1->is_valid(), "used");
   705       do_input(op2->_opr1); do_temp(op2->_opr1);
   707       if (op2->_opr2->is_valid())         do_temp(op2->_opr2);
   708       if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
   709       if (op2->_result->is_valid())       do_output(op2->_result);
   711       break;
   712     }
   715 // LIR_Op3
   716     case lir_idiv:
   717     case lir_irem: {
   718       assert(op->as_Op3() != NULL, "must be");
   719       LIR_Op3* op3= (LIR_Op3*)op;
   721       if (op3->_info)                     do_info(op3->_info);
   722       if (op3->_opr1->is_valid())         do_input(op3->_opr1);
   724       // second operand is input and temp, so ensure that second operand
   725       // and third operand get not the same register
   726       if (op3->_opr2->is_valid())         do_input(op3->_opr2);
   727       if (op3->_opr2->is_valid())         do_temp(op3->_opr2);
   728       if (op3->_opr3->is_valid())         do_temp(op3->_opr3);
   730       if (op3->_result->is_valid())       do_output(op3->_result);
   732       break;
   733     }
   736 // LIR_OpJavaCall
   737     case lir_static_call:
   738     case lir_optvirtual_call:
   739     case lir_icvirtual_call:
   740     case lir_virtual_call:
   741     case lir_dynamic_call: {
   742       LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
   743       assert(opJavaCall != NULL, "must be");
   745       if (opJavaCall->_receiver->is_valid())     do_input(opJavaCall->_receiver);
   747       // only visit register parameters
   748       int n = opJavaCall->_arguments->length();
   749       for (int i = 0; i < n; i++) {
   750         if (!opJavaCall->_arguments->at(i)->is_pointer()) {
   751           do_input(*opJavaCall->_arguments->adr_at(i));
   752         }
   753       }
   755       if (opJavaCall->_info)                     do_info(opJavaCall->_info);
   756       if (opJavaCall->is_method_handle_invoke()) {
   757         opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
   758         do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
   759       }
   760       do_call();
   761       if (opJavaCall->_result->is_valid())       do_output(opJavaCall->_result);
   763       break;
   764     }
   767 // LIR_OpRTCall
   768     case lir_rtcall: {
   769       assert(op->as_OpRTCall() != NULL, "must be");
   770       LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
   772       // only visit register parameters
   773       int n = opRTCall->_arguments->length();
   774       for (int i = 0; i < n; i++) {
   775         if (!opRTCall->_arguments->at(i)->is_pointer()) {
   776           do_input(*opRTCall->_arguments->adr_at(i));
   777         }
   778       }
   779       if (opRTCall->_info)                     do_info(opRTCall->_info);
   780       if (opRTCall->_tmp->is_valid())          do_temp(opRTCall->_tmp);
   781       do_call();
   782       if (opRTCall->_result->is_valid())       do_output(opRTCall->_result);
   784       break;
   785     }
   788 // LIR_OpArrayCopy
   789     case lir_arraycopy: {
   790       assert(op->as_OpArrayCopy() != NULL, "must be");
   791       LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
   793       assert(opArrayCopy->_result->is_illegal(), "unused");
   794       assert(opArrayCopy->_src->is_valid(), "used");          do_input(opArrayCopy->_src);     do_temp(opArrayCopy->_src);
   795       assert(opArrayCopy->_src_pos->is_valid(), "used");      do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
   796       assert(opArrayCopy->_dst->is_valid(), "used");          do_input(opArrayCopy->_dst);     do_temp(opArrayCopy->_dst);
   797       assert(opArrayCopy->_dst_pos->is_valid(), "used");      do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
   798       assert(opArrayCopy->_length->is_valid(), "used");       do_input(opArrayCopy->_length);  do_temp(opArrayCopy->_length);
   799       assert(opArrayCopy->_tmp->is_valid(), "used");          do_temp(opArrayCopy->_tmp);
   800       if (opArrayCopy->_info)                     do_info(opArrayCopy->_info);
   802       // the implementation of arraycopy always has a call into the runtime
   803       do_call();
   805       break;
   806     }
   809 // LIR_OpLock
   810     case lir_lock:
   811     case lir_unlock: {
   812       assert(op->as_OpLock() != NULL, "must be");
   813       LIR_OpLock* opLock = (LIR_OpLock*)op;
   815       if (opLock->_info)                          do_info(opLock->_info);
   817       // TODO: check if these operands really have to be temp
   818       // (or if input is sufficient). This may have influence on the oop map!
   819       assert(opLock->_lock->is_valid(), "used");  do_temp(opLock->_lock);
   820       assert(opLock->_hdr->is_valid(),  "used");  do_temp(opLock->_hdr);
   821       assert(opLock->_obj->is_valid(),  "used");  do_temp(opLock->_obj);
   823       if (opLock->_scratch->is_valid())           do_temp(opLock->_scratch);
   824       assert(opLock->_result->is_illegal(), "unused");
   826       do_stub(opLock->_stub);
   828       break;
   829     }
   832 // LIR_OpDelay
   833     case lir_delay_slot: {
   834       assert(op->as_OpDelay() != NULL, "must be");
   835       LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
   837       visit(opDelay->delay_op());
   838       break;
   839     }
   841 // LIR_OpTypeCheck
   842     case lir_instanceof:
   843     case lir_checkcast:
   844     case lir_store_check: {
   845       assert(op->as_OpTypeCheck() != NULL, "must be");
   846       LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
   848       if (opTypeCheck->_info_for_exception)       do_info(opTypeCheck->_info_for_exception);
   849       if (opTypeCheck->_info_for_patch)           do_info(opTypeCheck->_info_for_patch);
   850       if (opTypeCheck->_object->is_valid())       do_input(opTypeCheck->_object);
   851       if (opTypeCheck->_array->is_valid())        do_input(opTypeCheck->_array);
   852       if (opTypeCheck->_tmp1->is_valid())         do_temp(opTypeCheck->_tmp1);
   853       if (opTypeCheck->_tmp2->is_valid())         do_temp(opTypeCheck->_tmp2);
   854       if (opTypeCheck->_tmp3->is_valid())         do_temp(opTypeCheck->_tmp3);
   855       if (opTypeCheck->_result->is_valid())       do_output(opTypeCheck->_result);
   856                                                   do_stub(opTypeCheck->_stub);
   857       break;
   858     }
   860 // LIR_OpCompareAndSwap
   861     case lir_cas_long:
   862     case lir_cas_obj:
   863     case lir_cas_int: {
   864       assert(op->as_OpCompareAndSwap() != NULL, "must be");
   865       LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
   867       assert(opCompareAndSwap->_addr->is_valid(),      "used");
   868       assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
   869       assert(opCompareAndSwap->_new_value->is_valid(), "used");
   870       if (opCompareAndSwap->_info)                    do_info(opCompareAndSwap->_info);
   871                                                       do_input(opCompareAndSwap->_addr);
   872                                                       do_temp(opCompareAndSwap->_addr);
   873                                                       do_input(opCompareAndSwap->_cmp_value);
   874                                                       do_temp(opCompareAndSwap->_cmp_value);
   875                                                       do_input(opCompareAndSwap->_new_value);
   876                                                       do_temp(opCompareAndSwap->_new_value);
   877       if (opCompareAndSwap->_tmp1->is_valid())        do_temp(opCompareAndSwap->_tmp1);
   878       if (opCompareAndSwap->_tmp2->is_valid())        do_temp(opCompareAndSwap->_tmp2);
   879       if (opCompareAndSwap->_result->is_valid())      do_output(opCompareAndSwap->_result);
   881       break;
   882     }
   885 // LIR_OpAllocArray;
   886     case lir_alloc_array: {
   887       assert(op->as_OpAllocArray() != NULL, "must be");
   888       LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
   890       if (opAllocArray->_info)                        do_info(opAllocArray->_info);
   891       if (opAllocArray->_klass->is_valid())           do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
   892       if (opAllocArray->_len->is_valid())             do_input(opAllocArray->_len);   do_temp(opAllocArray->_len);
   893       if (opAllocArray->_tmp1->is_valid())            do_temp(opAllocArray->_tmp1);
   894       if (opAllocArray->_tmp2->is_valid())            do_temp(opAllocArray->_tmp2);
   895       if (opAllocArray->_tmp3->is_valid())            do_temp(opAllocArray->_tmp3);
   896       if (opAllocArray->_tmp4->is_valid())            do_temp(opAllocArray->_tmp4);
   897       if (opAllocArray->_result->is_valid())          do_output(opAllocArray->_result);
   898                                                       do_stub(opAllocArray->_stub);
   899       break;
   900     }
   902 // LIR_OpProfileCall:
   903     case lir_profile_call: {
   904       assert(op->as_OpProfileCall() != NULL, "must be");
   905       LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
   907       if (opProfileCall->_recv->is_valid())              do_temp(opProfileCall->_recv);
   908       assert(opProfileCall->_mdo->is_valid(), "used");   do_temp(opProfileCall->_mdo);
   909       assert(opProfileCall->_tmp1->is_valid(), "used");  do_temp(opProfileCall->_tmp1);
   910       break;
   911     }
   912   default:
   913     ShouldNotReachHere();
   914   }
   915 }
   918 void LIR_OpVisitState::do_stub(CodeStub* stub) {
   919   if (stub != NULL) {
   920     stub->visit(this);
   921   }
   922 }
   924 XHandlers* LIR_OpVisitState::all_xhandler() {
   925   XHandlers* result = NULL;
   927   int i;
   928   for (i = 0; i < info_count(); i++) {
   929     if (info_at(i)->exception_handlers() != NULL) {
   930       result = info_at(i)->exception_handlers();
   931       break;
   932     }
   933   }
   935 #ifdef ASSERT
   936   for (i = 0; i < info_count(); i++) {
   937     assert(info_at(i)->exception_handlers() == NULL ||
   938            info_at(i)->exception_handlers() == result,
   939            "only one xhandler list allowed per LIR-operation");
   940   }
   941 #endif
   943   if (result != NULL) {
   944     return result;
   945   } else {
   946     return new XHandlers();
   947   }
   949   return result;
   950 }
   953 #ifdef ASSERT
   954 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
   955   visit(op);
   957   return opr_count(inputMode) == 0 &&
   958          opr_count(outputMode) == 0 &&
   959          opr_count(tempMode) == 0 &&
   960          info_count() == 0 &&
   961          !has_call() &&
   962          !has_slow_case();
   963 }
   964 #endif
   966 //---------------------------------------------------
   969 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
   970   masm->emit_call(this);
   971 }
   973 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
   974   masm->emit_rtcall(this);
   975 }
   977 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
   978   masm->emit_opLabel(this);
   979 }
   981 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
   982   masm->emit_arraycopy(this);
   983   masm->emit_code_stub(stub());
   984 }
   986 void LIR_Op0::emit_code(LIR_Assembler* masm) {
   987   masm->emit_op0(this);
   988 }
   990 void LIR_Op1::emit_code(LIR_Assembler* masm) {
   991   masm->emit_op1(this);
   992 }
   994 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
   995   masm->emit_alloc_obj(this);
   996   masm->emit_code_stub(stub());
   997 }
   999 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
  1000   masm->emit_opBranch(this);
  1001   if (stub()) {
  1002     masm->emit_code_stub(stub());
  1006 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
  1007   masm->emit_opConvert(this);
  1008   if (stub() != NULL) {
  1009     masm->emit_code_stub(stub());
  1013 void LIR_Op2::emit_code(LIR_Assembler* masm) {
  1014   masm->emit_op2(this);
  1017 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
  1018   masm->emit_alloc_array(this);
  1019   masm->emit_code_stub(stub());
  1022 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
  1023   masm->emit_opTypeCheck(this);
  1024   if (stub()) {
  1025     masm->emit_code_stub(stub());
  1029 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
  1030   masm->emit_compare_and_swap(this);
  1033 void LIR_Op3::emit_code(LIR_Assembler* masm) {
  1034   masm->emit_op3(this);
  1037 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
  1038   masm->emit_lock(this);
  1039   if (stub()) {
  1040     masm->emit_code_stub(stub());
  1045 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
  1046   masm->emit_delay(this);
  1049 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
  1050   masm->emit_profile_call(this);
  1053 // LIR_List
  1054 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
  1055   : _operations(8)
  1056   , _compilation(compilation)
  1057 #ifndef PRODUCT
  1058   , _block(block)
  1059 #endif
  1060 #ifdef ASSERT
  1061   , _file(NULL)
  1062   , _line(0)
  1063 #endif
  1064 { }
  1067 #ifdef ASSERT
  1068 void LIR_List::set_file_and_line(const char * file, int line) {
  1069   const char * f = strrchr(file, '/');
  1070   if (f == NULL) f = strrchr(file, '\\');
  1071   if (f == NULL) {
  1072     f = file;
  1073   } else {
  1074     f++;
  1076   _file = f;
  1077   _line = line;
  1079 #endif
  1082 void LIR_List::append(LIR_InsertionBuffer* buffer) {
  1083   assert(this == buffer->lir_list(), "wrong lir list");
  1084   const int n = _operations.length();
  1086   if (buffer->number_of_ops() > 0) {
  1087     // increase size of instructions list
  1088     _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
  1089     // insert ops from buffer into instructions list
  1090     int op_index = buffer->number_of_ops() - 1;
  1091     int ip_index = buffer->number_of_insertion_points() - 1;
  1092     int from_index = n - 1;
  1093     int to_index = _operations.length() - 1;
  1094     for (; ip_index >= 0; ip_index --) {
  1095       int index = buffer->index_at(ip_index);
  1096       // make room after insertion point
  1097       while (index < from_index) {
  1098         _operations.at_put(to_index --, _operations.at(from_index --));
  1100       // insert ops from buffer
  1101       for (int i = buffer->count_at(ip_index); i > 0; i --) {
  1102         _operations.at_put(to_index --, buffer->op_at(op_index --));
  1107   buffer->finish();
  1111 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
  1112   append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o),  reg, T_OBJECT, lir_patch_normal, info));
  1116 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1117   append(new LIR_Op1(
  1118             lir_move,
  1119             LIR_OprFact::address(addr),
  1120             src,
  1121             addr->type(),
  1122             patch_code,
  1123             info));
  1127 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1128   append(new LIR_Op1(
  1129             lir_move,
  1130             LIR_OprFact::address(address),
  1131             dst,
  1132             address->type(),
  1133             patch_code,
  1134             info, lir_move_volatile));
  1137 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1138   append(new LIR_Op1(
  1139             lir_move,
  1140             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1141             dst,
  1142             type,
  1143             patch_code,
  1144             info, lir_move_volatile));
  1148 void LIR_List::prefetch(LIR_Address* addr, bool is_store) {
  1149   append(new LIR_Op1(
  1150             is_store ? lir_prefetchw : lir_prefetchr,
  1151             LIR_OprFact::address(addr)));
  1155 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1156   append(new LIR_Op1(
  1157             lir_move,
  1158             LIR_OprFact::intConst(v),
  1159             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1160             type,
  1161             patch_code,
  1162             info));
  1166 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1167   append(new LIR_Op1(
  1168             lir_move,
  1169             LIR_OprFact::oopConst(o),
  1170             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1171             type,
  1172             patch_code,
  1173             info));
  1177 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1178   append(new LIR_Op1(
  1179             lir_move,
  1180             src,
  1181             LIR_OprFact::address(addr),
  1182             addr->type(),
  1183             patch_code,
  1184             info));
  1188 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1189   append(new LIR_Op1(
  1190             lir_move,
  1191             src,
  1192             LIR_OprFact::address(addr),
  1193             addr->type(),
  1194             patch_code,
  1195             info,
  1196             lir_move_volatile));
  1199 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1200   append(new LIR_Op1(
  1201             lir_move,
  1202             src,
  1203             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1204             type,
  1205             patch_code,
  1206             info, lir_move_volatile));
  1210 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1211   append(new LIR_Op3(
  1212                     lir_idiv,
  1213                     left,
  1214                     right,
  1215                     tmp,
  1216                     res,
  1217                     info));
  1221 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1222   append(new LIR_Op3(
  1223                     lir_idiv,
  1224                     left,
  1225                     LIR_OprFact::intConst(right),
  1226                     tmp,
  1227                     res,
  1228                     info));
  1232 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1233   append(new LIR_Op3(
  1234                     lir_irem,
  1235                     left,
  1236                     right,
  1237                     tmp,
  1238                     res,
  1239                     info));
  1243 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1244   append(new LIR_Op3(
  1245                     lir_irem,
  1246                     left,
  1247                     LIR_OprFact::intConst(right),
  1248                     tmp,
  1249                     res,
  1250                     info));
  1254 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
  1255   append(new LIR_Op2(
  1256                     lir_cmp,
  1257                     condition,
  1258                     LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
  1259                     LIR_OprFact::intConst(c),
  1260                     info));
  1264 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
  1265   append(new LIR_Op2(
  1266                     lir_cmp,
  1267                     condition,
  1268                     reg,
  1269                     LIR_OprFact::address(addr),
  1270                     info));
  1273 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
  1274                                int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
  1275   append(new LIR_OpAllocObj(
  1276                            klass,
  1277                            dst,
  1278                            t1,
  1279                            t2,
  1280                            t3,
  1281                            t4,
  1282                            header_size,
  1283                            object_size,
  1284                            init_check,
  1285                            stub));
  1288 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) {
  1289   append(new LIR_OpAllocArray(
  1290                            klass,
  1291                            len,
  1292                            dst,
  1293                            t1,
  1294                            t2,
  1295                            t3,
  1296                            t4,
  1297                            type,
  1298                            stub));
  1301 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1302  append(new LIR_Op2(
  1303                     lir_shl,
  1304                     value,
  1305                     count,
  1306                     dst,
  1307                     tmp));
  1310 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1311  append(new LIR_Op2(
  1312                     lir_shr,
  1313                     value,
  1314                     count,
  1315                     dst,
  1316                     tmp));
  1320 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1321  append(new LIR_Op2(
  1322                     lir_ushr,
  1323                     value,
  1324                     count,
  1325                     dst,
  1326                     tmp));
  1329 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
  1330   append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
  1331                      left,
  1332                      right,
  1333                      dst));
  1336 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
  1337   append(new LIR_OpLock(
  1338                     lir_lock,
  1339                     hdr,
  1340                     obj,
  1341                     lock,
  1342                     scratch,
  1343                     stub,
  1344                     info));
  1347 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
  1348   append(new LIR_OpLock(
  1349                     lir_unlock,
  1350                     hdr,
  1351                     obj,
  1352                     lock,
  1353                     scratch,
  1354                     stub,
  1355                     NULL));
  1359 void check_LIR() {
  1360   // cannot do the proper checking as PRODUCT and other modes return different results
  1361   // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
  1366 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
  1367                           LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
  1368                           CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
  1369                           ciMethod* profiled_method, int profiled_bci) {
  1370   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
  1371                                            tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
  1372   if (profiled_method != NULL) {
  1373     c->set_profiled_method(profiled_method);
  1374     c->set_profiled_bci(profiled_bci);
  1375     c->set_should_profile(true);
  1377   append(c);
  1380 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) {
  1381   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
  1382   if (profiled_method != NULL) {
  1383     c->set_profiled_method(profiled_method);
  1384     c->set_profiled_bci(profiled_bci);
  1385     c->set_should_profile(true);
  1387   append(c);
  1391 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception) {
  1392   append(new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception));
  1396 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1397                         LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1398   append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
  1401 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1402                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1403   append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
  1406 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1407                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1408   append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
  1412 #ifdef PRODUCT
  1414 void print_LIR(BlockList* blocks) {
  1417 #else
  1418 // LIR_OprDesc
  1419 void LIR_OprDesc::print() const {
  1420   print(tty);
  1423 void LIR_OprDesc::print(outputStream* out) const {
  1424   if (is_illegal()) {
  1425     return;
  1428   out->print("[");
  1429   if (is_pointer()) {
  1430     pointer()->print_value_on(out);
  1431   } else if (is_single_stack()) {
  1432     out->print("stack:%d", single_stack_ix());
  1433   } else if (is_double_stack()) {
  1434     out->print("dbl_stack:%d",double_stack_ix());
  1435   } else if (is_virtual()) {
  1436     out->print("R%d", vreg_number());
  1437   } else if (is_single_cpu()) {
  1438     out->print(as_register()->name());
  1439   } else if (is_double_cpu()) {
  1440     out->print(as_register_hi()->name());
  1441     out->print(as_register_lo()->name());
  1442 #if defined(X86)
  1443   } else if (is_single_xmm()) {
  1444     out->print(as_xmm_float_reg()->name());
  1445   } else if (is_double_xmm()) {
  1446     out->print(as_xmm_double_reg()->name());
  1447   } else if (is_single_fpu()) {
  1448     out->print("fpu%d", fpu_regnr());
  1449   } else if (is_double_fpu()) {
  1450     out->print("fpu%d", fpu_regnrLo());
  1451 #elif defined(ARM)
  1452   } else if (is_single_fpu()) {
  1453     out->print("s%d", fpu_regnr());
  1454   } else if (is_double_fpu()) {
  1455     out->print("d%d", fpu_regnrLo() >> 1);
  1456 #else
  1457   } else if (is_single_fpu()) {
  1458     out->print(as_float_reg()->name());
  1459   } else if (is_double_fpu()) {
  1460     out->print(as_double_reg()->name());
  1461 #endif
  1463   } else if (is_illegal()) {
  1464     out->print("-");
  1465   } else {
  1466     out->print("Unknown Operand");
  1468   if (!is_illegal()) {
  1469     out->print("|%c", type_char());
  1471   if (is_register() && is_last_use()) {
  1472     out->print("(last_use)");
  1474   out->print("]");
  1478 // LIR_Address
  1479 void LIR_Const::print_value_on(outputStream* out) const {
  1480   switch (type()) {
  1481     case T_ADDRESS:out->print("address:%d",as_jint());          break;
  1482     case T_INT:    out->print("int:%d",   as_jint());           break;
  1483     case T_LONG:   out->print("lng:%lld", as_jlong());          break;
  1484     case T_FLOAT:  out->print("flt:%f",   as_jfloat());         break;
  1485     case T_DOUBLE: out->print("dbl:%f",   as_jdouble());        break;
  1486     case T_OBJECT: out->print("obj:0x%x", as_jobject());        break;
  1487     default:       out->print("%3d:0x%x",type(), as_jdouble()); break;
  1491 // LIR_Address
  1492 void LIR_Address::print_value_on(outputStream* out) const {
  1493   out->print("Base:"); _base->print(out);
  1494   if (!_index->is_illegal()) {
  1495     out->print(" Index:"); _index->print(out);
  1496     switch (scale()) {
  1497     case times_1: break;
  1498     case times_2: out->print(" * 2"); break;
  1499     case times_4: out->print(" * 4"); break;
  1500     case times_8: out->print(" * 8"); break;
  1503   out->print(" Disp: %d", _disp);
  1506 // debug output of block header without InstructionPrinter
  1507 //       (because phi functions are not necessary for LIR)
  1508 static void print_block(BlockBegin* x) {
  1509   // print block id
  1510   BlockEnd* end = x->end();
  1511   tty->print("B%d ", x->block_id());
  1513   // print flags
  1514   if (x->is_set(BlockBegin::std_entry_flag))               tty->print("std ");
  1515   if (x->is_set(BlockBegin::osr_entry_flag))               tty->print("osr ");
  1516   if (x->is_set(BlockBegin::exception_entry_flag))         tty->print("ex ");
  1517   if (x->is_set(BlockBegin::subroutine_entry_flag))        tty->print("jsr ");
  1518   if (x->is_set(BlockBegin::backward_branch_target_flag))  tty->print("bb ");
  1519   if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
  1520   if (x->is_set(BlockBegin::linear_scan_loop_end_flag))    tty->print("le ");
  1522   // print block bci range
  1523   tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->bci()));
  1525   // print predecessors and successors
  1526   if (x->number_of_preds() > 0) {
  1527     tty->print("preds: ");
  1528     for (int i = 0; i < x->number_of_preds(); i ++) {
  1529       tty->print("B%d ", x->pred_at(i)->block_id());
  1533   if (x->number_of_sux() > 0) {
  1534     tty->print("sux: ");
  1535     for (int i = 0; i < x->number_of_sux(); i ++) {
  1536       tty->print("B%d ", x->sux_at(i)->block_id());
  1540   // print exception handlers
  1541   if (x->number_of_exception_handlers() > 0) {
  1542     tty->print("xhandler: ");
  1543     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
  1544       tty->print("B%d ", x->exception_handler_at(i)->block_id());
  1548   tty->cr();
  1551 void print_LIR(BlockList* blocks) {
  1552   tty->print_cr("LIR:");
  1553   int i;
  1554   for (i = 0; i < blocks->length(); i++) {
  1555     BlockBegin* bb = blocks->at(i);
  1556     print_block(bb);
  1557     tty->print("__id_Instruction___________________________________________"); tty->cr();
  1558     bb->lir()->print_instructions();
  1562 void LIR_List::print_instructions() {
  1563   for (int i = 0; i < _operations.length(); i++) {
  1564     _operations.at(i)->print(); tty->cr();
  1566   tty->cr();
  1569 // LIR_Ops printing routines
  1570 // LIR_Op
  1571 void LIR_Op::print_on(outputStream* out) const {
  1572   if (id() != -1 || PrintCFGToFile) {
  1573     out->print("%4d ", id());
  1574   } else {
  1575     out->print("     ");
  1577   out->print(name()); out->print(" ");
  1578   print_instr(out);
  1579   if (info() != NULL) out->print(" [bci:%d]", info()->bci());
  1580 #ifdef ASSERT
  1581   if (Verbose && _file != NULL) {
  1582     out->print(" (%s:%d)", _file, _line);
  1584 #endif
  1587 const char * LIR_Op::name() const {
  1588   const char* s = NULL;
  1589   switch(code()) {
  1590      // LIR_Op0
  1591      case lir_membar:                s = "membar";        break;
  1592      case lir_membar_acquire:        s = "membar_acquire"; break;
  1593      case lir_membar_release:        s = "membar_release"; break;
  1594      case lir_word_align:            s = "word_align";    break;
  1595      case lir_label:                 s = "label";         break;
  1596      case lir_nop:                   s = "nop";           break;
  1597      case lir_backwardbranch_target: s = "backbranch";    break;
  1598      case lir_std_entry:             s = "std_entry";     break;
  1599      case lir_osr_entry:             s = "osr_entry";     break;
  1600      case lir_build_frame:           s = "build_frm";     break;
  1601      case lir_fpop_raw:              s = "fpop_raw";      break;
  1602      case lir_24bit_FPU:             s = "24bit_FPU";     break;
  1603      case lir_reset_FPU:             s = "reset_FPU";     break;
  1604      case lir_breakpoint:            s = "breakpoint";    break;
  1605      case lir_get_thread:            s = "get_thread";    break;
  1606      // LIR_Op1
  1607      case lir_fxch:                  s = "fxch";          break;
  1608      case lir_fld:                   s = "fld";           break;
  1609      case lir_ffree:                 s = "ffree";         break;
  1610      case lir_push:                  s = "push";          break;
  1611      case lir_pop:                   s = "pop";           break;
  1612      case lir_null_check:            s = "null_check";    break;
  1613      case lir_return:                s = "return";        break;
  1614      case lir_safepoint:             s = "safepoint";     break;
  1615      case lir_neg:                   s = "neg";           break;
  1616      case lir_leal:                  s = "leal";          break;
  1617      case lir_branch:                s = "branch";        break;
  1618      case lir_cond_float_branch:     s = "flt_cond_br";   break;
  1619      case lir_move:                  s = "move";          break;
  1620      case lir_roundfp:               s = "roundfp";       break;
  1621      case lir_rtcall:                s = "rtcall";        break;
  1622      case lir_throw:                 s = "throw";         break;
  1623      case lir_unwind:                s = "unwind";        break;
  1624      case lir_convert:               s = "convert";       break;
  1625      case lir_alloc_object:          s = "alloc_obj";     break;
  1626      case lir_monaddr:               s = "mon_addr";      break;
  1627      case lir_pack64:                s = "pack64";        break;
  1628      case lir_unpack64:              s = "unpack64";      break;
  1629      // LIR_Op2
  1630      case lir_cmp:                   s = "cmp";           break;
  1631      case lir_cmp_l2i:               s = "cmp_l2i";       break;
  1632      case lir_ucmp_fd2i:             s = "ucomp_fd2i";    break;
  1633      case lir_cmp_fd2i:              s = "comp_fd2i";     break;
  1634      case lir_cmove:                 s = "cmove";         break;
  1635      case lir_add:                   s = "add";           break;
  1636      case lir_sub:                   s = "sub";           break;
  1637      case lir_mul:                   s = "mul";           break;
  1638      case lir_mul_strictfp:          s = "mul_strictfp";  break;
  1639      case lir_div:                   s = "div";           break;
  1640      case lir_div_strictfp:          s = "div_strictfp";  break;
  1641      case lir_rem:                   s = "rem";           break;
  1642      case lir_abs:                   s = "abs";           break;
  1643      case lir_sqrt:                  s = "sqrt";          break;
  1644      case lir_sin:                   s = "sin";           break;
  1645      case lir_cos:                   s = "cos";           break;
  1646      case lir_tan:                   s = "tan";           break;
  1647      case lir_log:                   s = "log";           break;
  1648      case lir_log10:                 s = "log10";         break;
  1649      case lir_logic_and:             s = "logic_and";     break;
  1650      case lir_logic_or:              s = "logic_or";      break;
  1651      case lir_logic_xor:             s = "logic_xor";     break;
  1652      case lir_shl:                   s = "shift_left";    break;
  1653      case lir_shr:                   s = "shift_right";   break;
  1654      case lir_ushr:                  s = "ushift_right";  break;
  1655      case lir_alloc_array:           s = "alloc_array";   break;
  1656      // LIR_Op3
  1657      case lir_idiv:                  s = "idiv";          break;
  1658      case lir_irem:                  s = "irem";          break;
  1659      // LIR_OpJavaCall
  1660      case lir_static_call:           s = "static";        break;
  1661      case lir_optvirtual_call:       s = "optvirtual";    break;
  1662      case lir_icvirtual_call:        s = "icvirtual";     break;
  1663      case lir_virtual_call:          s = "virtual";       break;
  1664      case lir_dynamic_call:          s = "dynamic";       break;
  1665      // LIR_OpArrayCopy
  1666      case lir_arraycopy:             s = "arraycopy";     break;
  1667      // LIR_OpLock
  1668      case lir_lock:                  s = "lock";          break;
  1669      case lir_unlock:                s = "unlock";        break;
  1670      // LIR_OpDelay
  1671      case lir_delay_slot:            s = "delay";         break;
  1672      // LIR_OpTypeCheck
  1673      case lir_instanceof:            s = "instanceof";    break;
  1674      case lir_checkcast:             s = "checkcast";     break;
  1675      case lir_store_check:           s = "store_check";   break;
  1676      // LIR_OpCompareAndSwap
  1677      case lir_cas_long:              s = "cas_long";      break;
  1678      case lir_cas_obj:               s = "cas_obj";      break;
  1679      case lir_cas_int:               s = "cas_int";      break;
  1680      // LIR_OpProfileCall
  1681      case lir_profile_call:          s = "profile_call";  break;
  1682      case lir_none:                  ShouldNotReachHere();break;
  1683     default:                         s = "illegal_op";    break;
  1685   return s;
  1688 // LIR_OpJavaCall
  1689 void LIR_OpJavaCall::print_instr(outputStream* out) const {
  1690   out->print("call: ");
  1691   out->print("[addr: 0x%x]", address());
  1692   if (receiver()->is_valid()) {
  1693     out->print(" [recv: ");   receiver()->print(out);   out->print("]");
  1695   if (result_opr()->is_valid()) {
  1696     out->print(" [result: "); result_opr()->print(out); out->print("]");
  1700 // LIR_OpLabel
  1701 void LIR_OpLabel::print_instr(outputStream* out) const {
  1702   out->print("[label:0x%x]", _label);
  1705 // LIR_OpArrayCopy
  1706 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
  1707   src()->print(out);     out->print(" ");
  1708   src_pos()->print(out); out->print(" ");
  1709   dst()->print(out);     out->print(" ");
  1710   dst_pos()->print(out); out->print(" ");
  1711   length()->print(out);  out->print(" ");
  1712   tmp()->print(out);     out->print(" ");
  1715 // LIR_OpCompareAndSwap
  1716 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
  1717   addr()->print(out);      out->print(" ");
  1718   cmp_value()->print(out); out->print(" ");
  1719   new_value()->print(out); out->print(" ");
  1720   tmp1()->print(out);      out->print(" ");
  1721   tmp2()->print(out);      out->print(" ");
  1725 // LIR_Op0
  1726 void LIR_Op0::print_instr(outputStream* out) const {
  1727   result_opr()->print(out);
  1730 // LIR_Op1
  1731 const char * LIR_Op1::name() const {
  1732   if (code() == lir_move) {
  1733     switch (move_kind()) {
  1734     case lir_move_normal:
  1735       return "move";
  1736     case lir_move_unaligned:
  1737       return "unaligned move";
  1738     case lir_move_volatile:
  1739       return "volatile_move";
  1740     default:
  1741       ShouldNotReachHere();
  1742     return "illegal_op";
  1744   } else {
  1745     return LIR_Op::name();
  1750 void LIR_Op1::print_instr(outputStream* out) const {
  1751   _opr->print(out);         out->print(" ");
  1752   result_opr()->print(out); out->print(" ");
  1753   print_patch_code(out, patch_code());
  1757 // LIR_Op1
  1758 void LIR_OpRTCall::print_instr(outputStream* out) const {
  1759   intx a = (intx)addr();
  1760   out->print(Runtime1::name_for_address(addr()));
  1761   out->print(" ");
  1762   tmp()->print(out);
  1765 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
  1766   switch(code) {
  1767     case lir_patch_none:                                 break;
  1768     case lir_patch_low:    out->print("[patch_low]");    break;
  1769     case lir_patch_high:   out->print("[patch_high]");   break;
  1770     case lir_patch_normal: out->print("[patch_normal]"); break;
  1771     default: ShouldNotReachHere();
  1775 // LIR_OpBranch
  1776 void LIR_OpBranch::print_instr(outputStream* out) const {
  1777   print_condition(out, cond());             out->print(" ");
  1778   if (block() != NULL) {
  1779     out->print("[B%d] ", block()->block_id());
  1780   } else if (stub() != NULL) {
  1781     out->print("[");
  1782     stub()->print_name(out);
  1783     out->print(": 0x%x]", stub());
  1784     if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->bci());
  1785   } else {
  1786     out->print("[label:0x%x] ", label());
  1788   if (ublock() != NULL) {
  1789     out->print("unordered: [B%d] ", ublock()->block_id());
  1793 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
  1794   switch(cond) {
  1795     case lir_cond_equal:           out->print("[EQ]");      break;
  1796     case lir_cond_notEqual:        out->print("[NE]");      break;
  1797     case lir_cond_less:            out->print("[LT]");      break;
  1798     case lir_cond_lessEqual:       out->print("[LE]");      break;
  1799     case lir_cond_greaterEqual:    out->print("[GE]");      break;
  1800     case lir_cond_greater:         out->print("[GT]");      break;
  1801     case lir_cond_belowEqual:      out->print("[BE]");      break;
  1802     case lir_cond_aboveEqual:      out->print("[AE]");      break;
  1803     case lir_cond_always:          out->print("[AL]");      break;
  1804     default:                       out->print("[%d]",cond); break;
  1808 // LIR_OpConvert
  1809 void LIR_OpConvert::print_instr(outputStream* out) const {
  1810   print_bytecode(out, bytecode());
  1811   in_opr()->print(out);                  out->print(" ");
  1812   result_opr()->print(out);              out->print(" ");
  1813 #ifdef PPC
  1814   if(tmp1()->is_valid()) {
  1815     tmp1()->print(out); out->print(" ");
  1816     tmp2()->print(out); out->print(" ");
  1818 #endif
  1821 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
  1822   switch(code) {
  1823     case Bytecodes::_d2f: out->print("[d2f] "); break;
  1824     case Bytecodes::_d2i: out->print("[d2i] "); break;
  1825     case Bytecodes::_d2l: out->print("[d2l] "); break;
  1826     case Bytecodes::_f2d: out->print("[f2d] "); break;
  1827     case Bytecodes::_f2i: out->print("[f2i] "); break;
  1828     case Bytecodes::_f2l: out->print("[f2l] "); break;
  1829     case Bytecodes::_i2b: out->print("[i2b] "); break;
  1830     case Bytecodes::_i2c: out->print("[i2c] "); break;
  1831     case Bytecodes::_i2d: out->print("[i2d] "); break;
  1832     case Bytecodes::_i2f: out->print("[i2f] "); break;
  1833     case Bytecodes::_i2l: out->print("[i2l] "); break;
  1834     case Bytecodes::_i2s: out->print("[i2s] "); break;
  1835     case Bytecodes::_l2i: out->print("[l2i] "); break;
  1836     case Bytecodes::_l2f: out->print("[l2f] "); break;
  1837     case Bytecodes::_l2d: out->print("[l2d] "); break;
  1838     default:
  1839       out->print("[?%d]",code);
  1840     break;
  1844 void LIR_OpAllocObj::print_instr(outputStream* out) const {
  1845   klass()->print(out);                      out->print(" ");
  1846   obj()->print(out);                        out->print(" ");
  1847   tmp1()->print(out);                       out->print(" ");
  1848   tmp2()->print(out);                       out->print(" ");
  1849   tmp3()->print(out);                       out->print(" ");
  1850   tmp4()->print(out);                       out->print(" ");
  1851   out->print("[hdr:%d]", header_size()); out->print(" ");
  1852   out->print("[obj:%d]", object_size()); out->print(" ");
  1853   out->print("[lbl:0x%x]", stub()->entry());
  1856 void LIR_OpRoundFP::print_instr(outputStream* out) const {
  1857   _opr->print(out);         out->print(" ");
  1858   tmp()->print(out);        out->print(" ");
  1859   result_opr()->print(out); out->print(" ");
  1862 // LIR_Op2
  1863 void LIR_Op2::print_instr(outputStream* out) const {
  1864   if (code() == lir_cmove) {
  1865     print_condition(out, condition());         out->print(" ");
  1867   in_opr1()->print(out);    out->print(" ");
  1868   in_opr2()->print(out);    out->print(" ");
  1869   if (tmp_opr()->is_valid()) { tmp_opr()->print(out);    out->print(" "); }
  1870   result_opr()->print(out);
  1873 void LIR_OpAllocArray::print_instr(outputStream* out) const {
  1874   klass()->print(out);                   out->print(" ");
  1875   len()->print(out);                     out->print(" ");
  1876   obj()->print(out);                     out->print(" ");
  1877   tmp1()->print(out);                    out->print(" ");
  1878   tmp2()->print(out);                    out->print(" ");
  1879   tmp3()->print(out);                    out->print(" ");
  1880   tmp4()->print(out);                    out->print(" ");
  1881   out->print("[type:0x%x]", type());     out->print(" ");
  1882   out->print("[label:0x%x]", stub()->entry());
  1886 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
  1887   object()->print(out);                  out->print(" ");
  1888   if (code() == lir_store_check) {
  1889     array()->print(out);                 out->print(" ");
  1891   if (code() != lir_store_check) {
  1892     klass()->print_name_on(out);         out->print(" ");
  1893     if (fast_check())                 out->print("fast_check ");
  1895   tmp1()->print(out);                    out->print(" ");
  1896   tmp2()->print(out);                    out->print(" ");
  1897   tmp3()->print(out);                    out->print(" ");
  1898   result_opr()->print(out);              out->print(" ");
  1899   if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->bci());
  1903 // LIR_Op3
  1904 void LIR_Op3::print_instr(outputStream* out) const {
  1905   in_opr1()->print(out);    out->print(" ");
  1906   in_opr2()->print(out);    out->print(" ");
  1907   in_opr3()->print(out);    out->print(" ");
  1908   result_opr()->print(out);
  1912 void LIR_OpLock::print_instr(outputStream* out) const {
  1913   hdr_opr()->print(out);   out->print(" ");
  1914   obj_opr()->print(out);   out->print(" ");
  1915   lock_opr()->print(out);  out->print(" ");
  1916   if (_scratch->is_valid()) {
  1917     _scratch->print(out);  out->print(" ");
  1919   out->print("[lbl:0x%x]", stub()->entry());
  1923 void LIR_OpDelay::print_instr(outputStream* out) const {
  1924   _op->print_on(out);
  1928 // LIR_OpProfileCall
  1929 void LIR_OpProfileCall::print_instr(outputStream* out) const {
  1930   profiled_method()->name()->print_symbol_on(out);
  1931   out->print(".");
  1932   profiled_method()->holder()->name()->print_symbol_on(out);
  1933   out->print(" @ %d ", profiled_bci());
  1934   mdo()->print(out);           out->print(" ");
  1935   recv()->print(out);          out->print(" ");
  1936   tmp1()->print(out);          out->print(" ");
  1939 #endif // PRODUCT
  1941 // Implementation of LIR_InsertionBuffer
  1943 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
  1944   assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
  1946   int i = number_of_insertion_points() - 1;
  1947   if (i < 0 || index_at(i) < index) {
  1948     append_new(index, 1);
  1949   } else {
  1950     assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
  1951     assert(count_at(i) > 0, "check");
  1952     set_count_at(i, count_at(i) + 1);
  1954   _ops.push(op);
  1956   DEBUG_ONLY(verify());
  1959 #ifdef ASSERT
  1960 void LIR_InsertionBuffer::verify() {
  1961   int sum = 0;
  1962   int prev_idx = -1;
  1964   for (int i = 0; i < number_of_insertion_points(); i++) {
  1965     assert(prev_idx < index_at(i), "index must be ordered ascending");
  1966     sum += count_at(i);
  1968   assert(sum == number_of_ops(), "wrong total sum");
  1970 #endif

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