src/share/vm/c1/c1_LIR.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 2174
f02a8bbe6ed4
child 2344
ac637b7220d1
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

     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 "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"
    33 Register LIR_OprDesc::as_register() const {
    34   return FrameMap::cpu_rnr2reg(cpu_regnr());
    35 }
    37 Register LIR_OprDesc::as_register_lo() const {
    38   return FrameMap::cpu_rnr2reg(cpu_regnrLo());
    39 }
    41 Register LIR_OprDesc::as_register_hi() const {
    42   return FrameMap::cpu_rnr2reg(cpu_regnrHi());
    43 }
    45 #if defined(X86)
    47 XMMRegister LIR_OprDesc::as_xmm_float_reg() const {
    48   return FrameMap::nr2xmmreg(xmm_regnr());
    49 }
    51 XMMRegister LIR_OprDesc::as_xmm_double_reg() const {
    52   assert(xmm_regnrLo() == xmm_regnrHi(), "assumed in calculation");
    53   return FrameMap::nr2xmmreg(xmm_regnrLo());
    54 }
    56 #endif // X86
    58 #if defined(SPARC) || defined(PPC)
    60 FloatRegister LIR_OprDesc::as_float_reg() const {
    61   return FrameMap::nr2floatreg(fpu_regnr());
    62 }
    64 FloatRegister LIR_OprDesc::as_double_reg() const {
    65   return FrameMap::nr2floatreg(fpu_regnrHi());
    66 }
    68 #endif
    70 #ifdef ARM
    72 FloatRegister LIR_OprDesc::as_float_reg() const {
    73   return as_FloatRegister(fpu_regnr());
    74 }
    76 FloatRegister LIR_OprDesc::as_double_reg() const {
    77   return as_FloatRegister(fpu_regnrLo());
    78 }
    80 #endif
    83 LIR_Opr LIR_OprFact::illegalOpr = LIR_OprFact::illegal();
    85 LIR_Opr LIR_OprFact::value_type(ValueType* type) {
    86   ValueTag tag = type->tag();
    87   switch (tag) {
    88   case objectTag : {
    89     ClassConstant* c = type->as_ClassConstant();
    90     if (c != NULL && !c->value()->is_loaded()) {
    91       return LIR_OprFact::oopConst(NULL);
    92     } else {
    93       return LIR_OprFact::oopConst(type->as_ObjectType()->encoding());
    94     }
    95   }
    96   case addressTag: return LIR_OprFact::addressConst(type->as_AddressConstant()->value());
    97   case intTag    : return LIR_OprFact::intConst(type->as_IntConstant()->value());
    98   case floatTag  : return LIR_OprFact::floatConst(type->as_FloatConstant()->value());
    99   case longTag   : return LIR_OprFact::longConst(type->as_LongConstant()->value());
   100   case doubleTag : return LIR_OprFact::doubleConst(type->as_DoubleConstant()->value());
   101   default: ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
   102   }
   103 }
   106 LIR_Opr LIR_OprFact::dummy_value_type(ValueType* type) {
   107   switch (type->tag()) {
   108     case objectTag: return LIR_OprFact::oopConst(NULL);
   109     case addressTag:return LIR_OprFact::addressConst(0);
   110     case intTag:    return LIR_OprFact::intConst(0);
   111     case floatTag:  return LIR_OprFact::floatConst(0.0);
   112     case longTag:   return LIR_OprFact::longConst(0);
   113     case doubleTag: return LIR_OprFact::doubleConst(0.0);
   114     default:        ShouldNotReachHere(); return LIR_OprFact::intConst(-1);
   115   }
   116   return illegalOpr;
   117 }
   121 //---------------------------------------------------
   124 LIR_Address::Scale LIR_Address::scale(BasicType type) {
   125   int elem_size = type2aelembytes(type);
   126   switch (elem_size) {
   127   case 1: return LIR_Address::times_1;
   128   case 2: return LIR_Address::times_2;
   129   case 4: return LIR_Address::times_4;
   130   case 8: return LIR_Address::times_8;
   131   }
   132   ShouldNotReachHere();
   133   return LIR_Address::times_1;
   134 }
   137 #ifndef PRODUCT
   138 void LIR_Address::verify() const {
   139 #if defined(SPARC) || defined(PPC)
   140   assert(scale() == times_1, "Scaled addressing mode not available on SPARC/PPC and should not be used");
   141   assert(disp() == 0 || index()->is_illegal(), "can't have both");
   142 #endif
   143 #ifdef ARM
   144   assert(disp() == 0 || index()->is_illegal(), "can't have both");
   145   assert(-4096 < disp() && disp() < 4096, "architecture constraint");
   146 #endif
   147 #ifdef _LP64
   148   assert(base()->is_cpu_register(), "wrong base operand");
   149   assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
   150   assert(base()->type() == T_OBJECT || base()->type() == T_LONG,
   151          "wrong type for addresses");
   152 #else
   153   assert(base()->is_single_cpu(), "wrong base operand");
   154   assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand");
   155   assert(base()->type() == T_OBJECT || base()->type() == T_INT,
   156          "wrong type for addresses");
   157 #endif
   158 }
   159 #endif
   162 //---------------------------------------------------
   164 char LIR_OprDesc::type_char(BasicType t) {
   165   switch (t) {
   166     case T_ARRAY:
   167       t = T_OBJECT;
   168     case T_BOOLEAN:
   169     case T_CHAR:
   170     case T_FLOAT:
   171     case T_DOUBLE:
   172     case T_BYTE:
   173     case T_SHORT:
   174     case T_INT:
   175     case T_LONG:
   176     case T_OBJECT:
   177     case T_ADDRESS:
   178     case T_VOID:
   179       return ::type2char(t);
   181     case T_ILLEGAL:
   182       return '?';
   184     default:
   185       ShouldNotReachHere();
   186       return '?';
   187   }
   188 }
   190 #ifndef PRODUCT
   191 void LIR_OprDesc::validate_type() const {
   193 #ifdef ASSERT
   194   if (!is_pointer() && !is_illegal()) {
   195     switch (as_BasicType(type_field())) {
   196     case T_LONG:
   197       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   198              size_field() == double_size, "must match");
   199       break;
   200     case T_FLOAT:
   201       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   202       assert((kind_field() == fpu_register || kind_field() == stack_value
   203              ARM_ONLY(|| kind_field() == cpu_register)
   204              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   205              size_field() == single_size, "must match");
   206       break;
   207     case T_DOUBLE:
   208       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   209       assert((kind_field() == fpu_register || kind_field() == stack_value
   210              ARM_ONLY(|| kind_field() == cpu_register)
   211              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   212              size_field() == double_size, "must match");
   213       break;
   214     case T_BOOLEAN:
   215     case T_CHAR:
   216     case T_BYTE:
   217     case T_SHORT:
   218     case T_INT:
   219     case T_ADDRESS:
   220     case T_OBJECT:
   221     case T_ARRAY:
   222       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   223              size_field() == single_size, "must match");
   224       break;
   226     case T_ILLEGAL:
   227       // XXX TKR also means unknown right now
   228       // assert(is_illegal(), "must match");
   229       break;
   231     default:
   232       ShouldNotReachHere();
   233     }
   234   }
   235 #endif
   237 }
   238 #endif // PRODUCT
   241 bool LIR_OprDesc::is_oop() const {
   242   if (is_pointer()) {
   243     return pointer()->is_oop_pointer();
   244   } else {
   245     OprType t= type_field();
   246     assert(t != unknown_type, "not set");
   247     return t == object_type;
   248   }
   249 }
   253 void LIR_Op2::verify() const {
   254 #ifdef ASSERT
   255   switch (code()) {
   256     case lir_cmove:
   257       break;
   259     default:
   260       assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
   261              "can't produce oops from arith");
   262   }
   264   if (TwoOperandLIRForm) {
   265     switch (code()) {
   266     case lir_add:
   267     case lir_sub:
   268     case lir_mul:
   269     case lir_mul_strictfp:
   270     case lir_div:
   271     case lir_div_strictfp:
   272     case lir_rem:
   273     case lir_logic_and:
   274     case lir_logic_or:
   275     case lir_logic_xor:
   276     case lir_shl:
   277     case lir_shr:
   278       assert(in_opr1() == result_opr(), "opr1 and result must match");
   279       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   280       break;
   282     // special handling for lir_ushr because of write barriers
   283     case lir_ushr:
   284       assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant");
   285       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   286       break;
   288     }
   289   }
   290 #endif
   291 }
   294 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
   295   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   296   , _cond(cond)
   297   , _type(type)
   298   , _label(block->label())
   299   , _block(block)
   300   , _ublock(NULL)
   301   , _stub(NULL) {
   302 }
   304 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
   305   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   306   , _cond(cond)
   307   , _type(type)
   308   , _label(stub->entry())
   309   , _block(NULL)
   310   , _ublock(NULL)
   311   , _stub(stub) {
   312 }
   314 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock)
   315   : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   316   , _cond(cond)
   317   , _type(type)
   318   , _label(block->label())
   319   , _block(block)
   320   , _ublock(ublock)
   321   , _stub(NULL)
   322 {
   323 }
   325 void LIR_OpBranch::change_block(BlockBegin* b) {
   326   assert(_block != NULL, "must have old block");
   327   assert(_block->label() == label(), "must be equal");
   329   _block = b;
   330   _label = b->label();
   331 }
   333 void LIR_OpBranch::change_ublock(BlockBegin* b) {
   334   assert(_ublock != NULL, "must have old block");
   335   _ublock = b;
   336 }
   338 void LIR_OpBranch::negate_cond() {
   339   switch (_cond) {
   340     case lir_cond_equal:        _cond = lir_cond_notEqual;     break;
   341     case lir_cond_notEqual:     _cond = lir_cond_equal;        break;
   342     case lir_cond_less:         _cond = lir_cond_greaterEqual; break;
   343     case lir_cond_lessEqual:    _cond = lir_cond_greater;      break;
   344     case lir_cond_greaterEqual: _cond = lir_cond_less;         break;
   345     case lir_cond_greater:      _cond = lir_cond_lessEqual;    break;
   346     default: ShouldNotReachHere();
   347   }
   348 }
   351 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
   352                                  LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
   353                                  bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
   354                                  CodeStub* stub)
   356   : LIR_Op(code, result, NULL)
   357   , _object(object)
   358   , _array(LIR_OprFact::illegalOpr)
   359   , _klass(klass)
   360   , _tmp1(tmp1)
   361   , _tmp2(tmp2)
   362   , _tmp3(tmp3)
   363   , _fast_check(fast_check)
   364   , _stub(stub)
   365   , _info_for_patch(info_for_patch)
   366   , _info_for_exception(info_for_exception)
   367   , _profiled_method(NULL)
   368   , _profiled_bci(-1)
   369   , _should_profile(false)
   370 {
   371   if (code == lir_checkcast) {
   372     assert(info_for_exception != NULL, "checkcast throws exceptions");
   373   } else if (code == lir_instanceof) {
   374     assert(info_for_exception == NULL, "instanceof throws no exceptions");
   375   } else {
   376     ShouldNotReachHere();
   377   }
   378 }
   382 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)
   383   : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
   384   , _object(object)
   385   , _array(array)
   386   , _klass(NULL)
   387   , _tmp1(tmp1)
   388   , _tmp2(tmp2)
   389   , _tmp3(tmp3)
   390   , _fast_check(false)
   391   , _stub(NULL)
   392   , _info_for_patch(NULL)
   393   , _info_for_exception(info_for_exception)
   394   , _profiled_method(NULL)
   395   , _profiled_bci(-1)
   396   , _should_profile(false)
   397 {
   398   if (code == lir_store_check) {
   399     _stub = new ArrayStoreExceptionStub(info_for_exception);
   400     assert(info_for_exception != NULL, "store_check throws exceptions");
   401   } else {
   402     ShouldNotReachHere();
   403   }
   404 }
   407 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
   408                                  LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
   409   : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
   410   , _tmp(tmp)
   411   , _src(src)
   412   , _src_pos(src_pos)
   413   , _dst(dst)
   414   , _dst_pos(dst_pos)
   415   , _flags(flags)
   416   , _expected_type(expected_type)
   417   , _length(length) {
   418   _stub = new ArrayCopyStub(this);
   419 }
   422 //-------------------verify--------------------------
   424 void LIR_Op1::verify() const {
   425   switch(code()) {
   426   case lir_move:
   427     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
   428     break;
   429   case lir_null_check:
   430     assert(in_opr()->is_register(), "must be");
   431     break;
   432   case lir_return:
   433     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
   434     break;
   435   }
   436 }
   438 void LIR_OpRTCall::verify() const {
   439   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
   440 }
   442 //-------------------visits--------------------------
   444 // complete rework of LIR instruction visitor.
   445 // The virtual calls for each instruction type is replaced by a big
   446 // switch that adds the operands for each instruction
   448 void LIR_OpVisitState::visit(LIR_Op* op) {
   449   // copy information from the LIR_Op
   450   reset();
   451   set_op(op);
   453   switch (op->code()) {
   455 // LIR_Op0
   456     case lir_word_align:               // result and info always invalid
   457     case lir_backwardbranch_target:    // result and info always invalid
   458     case lir_build_frame:              // result and info always invalid
   459     case lir_fpop_raw:                 // result and info always invalid
   460     case lir_24bit_FPU:                // result and info always invalid
   461     case lir_reset_FPU:                // result and info always invalid
   462     case lir_breakpoint:               // result and info always invalid
   463     case lir_membar:                   // result and info always invalid
   464     case lir_membar_acquire:           // result and info always invalid
   465     case lir_membar_release:           // result and info always invalid
   466     {
   467       assert(op->as_Op0() != NULL, "must be");
   468       assert(op->_info == NULL, "info not used by this instruction");
   469       assert(op->_result->is_illegal(), "not used");
   470       break;
   471     }
   473     case lir_nop:                      // may have info, result always invalid
   474     case lir_std_entry:                // may have result, info always invalid
   475     case lir_osr_entry:                // may have result, info always invalid
   476     case lir_get_thread:               // may have result, info always invalid
   477     {
   478       assert(op->as_Op0() != NULL, "must be");
   479       if (op->_info != NULL)           do_info(op->_info);
   480       if (op->_result->is_valid())     do_output(op->_result);
   481       break;
   482     }
   485 // LIR_OpLabel
   486     case lir_label:                    // result and info always invalid
   487     {
   488       assert(op->as_OpLabel() != NULL, "must be");
   489       assert(op->_info == NULL, "info not used by this instruction");
   490       assert(op->_result->is_illegal(), "not used");
   491       break;
   492     }
   495 // LIR_Op1
   496     case lir_fxch:           // input always valid, result and info always invalid
   497     case lir_fld:            // input always valid, result and info always invalid
   498     case lir_ffree:          // input always valid, result and info always invalid
   499     case lir_push:           // input always valid, result and info always invalid
   500     case lir_pop:            // input always valid, result and info always invalid
   501     case lir_return:         // input always valid, result and info always invalid
   502     case lir_leal:           // input and result always valid, info always invalid
   503     case lir_neg:            // input and result always valid, info always invalid
   504     case lir_monaddr:        // input and result always valid, info always invalid
   505     case lir_null_check:     // input and info always valid, result always invalid
   506     case lir_move:           // input and result always valid, may have info
   507     case lir_pack64:         // input and result always valid
   508     case lir_unpack64:       // input and result always valid
   509     case lir_prefetchr:      // input always valid, result and info always invalid
   510     case lir_prefetchw:      // input always valid, result and info always invalid
   511     {
   512       assert(op->as_Op1() != NULL, "must be");
   513       LIR_Op1* op1 = (LIR_Op1*)op;
   515       if (op1->_info)                  do_info(op1->_info);
   516       if (op1->_opr->is_valid())       do_input(op1->_opr);
   517       if (op1->_result->is_valid())    do_output(op1->_result);
   519       break;
   520     }
   522     case lir_safepoint:
   523     {
   524       assert(op->as_Op1() != NULL, "must be");
   525       LIR_Op1* op1 = (LIR_Op1*)op;
   527       assert(op1->_info != NULL, "");  do_info(op1->_info);
   528       if (op1->_opr->is_valid())       do_temp(op1->_opr); // safepoints on SPARC need temporary register
   529       assert(op1->_result->is_illegal(), "safepoint does not produce value");
   531       break;
   532     }
   534 // LIR_OpConvert;
   535     case lir_convert:        // input and result always valid, info always invalid
   536     {
   537       assert(op->as_OpConvert() != NULL, "must be");
   538       LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
   540       assert(opConvert->_info == NULL, "must be");
   541       if (opConvert->_opr->is_valid())       do_input(opConvert->_opr);
   542       if (opConvert->_result->is_valid())    do_output(opConvert->_result);
   543 #ifdef PPC
   544       if (opConvert->_tmp1->is_valid())      do_temp(opConvert->_tmp1);
   545       if (opConvert->_tmp2->is_valid())      do_temp(opConvert->_tmp2);
   546 #endif
   547       do_stub(opConvert->_stub);
   549       break;
   550     }
   552 // LIR_OpBranch;
   553     case lir_branch:                   // may have info, input and result register always invalid
   554     case lir_cond_float_branch:        // may have info, input and result register always invalid
   555     {
   556       assert(op->as_OpBranch() != NULL, "must be");
   557       LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
   559       if (opBranch->_info != NULL)     do_info(opBranch->_info);
   560       assert(opBranch->_result->is_illegal(), "not used");
   561       if (opBranch->_stub != NULL)     opBranch->stub()->visit(this);
   563       break;
   564     }
   567 // LIR_OpAllocObj
   568     case lir_alloc_object:
   569     {
   570       assert(op->as_OpAllocObj() != NULL, "must be");
   571       LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
   573       if (opAllocObj->_info)                     do_info(opAllocObj->_info);
   574       if (opAllocObj->_opr->is_valid()) {        do_input(opAllocObj->_opr);
   575                                                  do_temp(opAllocObj->_opr);
   576                                         }
   577       if (opAllocObj->_tmp1->is_valid())         do_temp(opAllocObj->_tmp1);
   578       if (opAllocObj->_tmp2->is_valid())         do_temp(opAllocObj->_tmp2);
   579       if (opAllocObj->_tmp3->is_valid())         do_temp(opAllocObj->_tmp3);
   580       if (opAllocObj->_tmp4->is_valid())         do_temp(opAllocObj->_tmp4);
   581       if (opAllocObj->_result->is_valid())       do_output(opAllocObj->_result);
   582                                                  do_stub(opAllocObj->_stub);
   583       break;
   584     }
   587 // LIR_OpRoundFP;
   588     case lir_roundfp: {
   589       assert(op->as_OpRoundFP() != NULL, "must be");
   590       LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
   592       assert(op->_info == NULL, "info not used by this instruction");
   593       assert(opRoundFP->_tmp->is_illegal(), "not used");
   594       do_input(opRoundFP->_opr);
   595       do_output(opRoundFP->_result);
   597       break;
   598     }
   601 // LIR_Op2
   602     case lir_cmp:
   603     case lir_cmp_l2i:
   604     case lir_ucmp_fd2i:
   605     case lir_cmp_fd2i:
   606     case lir_add:
   607     case lir_sub:
   608     case lir_mul:
   609     case lir_div:
   610     case lir_rem:
   611     case lir_sqrt:
   612     case lir_abs:
   613     case lir_logic_and:
   614     case lir_logic_or:
   615     case lir_logic_xor:
   616     case lir_shl:
   617     case lir_shr:
   618     case lir_ushr:
   619     {
   620       assert(op->as_Op2() != NULL, "must be");
   621       LIR_Op2* op2 = (LIR_Op2*)op;
   623       if (op2->_info)                     do_info(op2->_info);
   624       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
   625       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
   626       if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
   627       if (op2->_result->is_valid())       do_output(op2->_result);
   629       break;
   630     }
   632     // special handling for cmove: right input operand must not be equal
   633     // to the result operand, otherwise the backend fails
   634     case lir_cmove:
   635     {
   636       assert(op->as_Op2() != NULL, "must be");
   637       LIR_Op2* op2 = (LIR_Op2*)op;
   639       assert(op2->_info == NULL && op2->_tmp->is_illegal(), "not used");
   640       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
   642       do_input(op2->_opr1);
   643       do_input(op2->_opr2);
   644       do_temp(op2->_opr2);
   645       do_output(op2->_result);
   647       break;
   648     }
   650     // vspecial handling for strict operations: register input operands
   651     // as temp to guarantee that they do not overlap with other
   652     // registers
   653     case lir_mul_strictfp:
   654     case lir_div_strictfp:
   655     {
   656       assert(op->as_Op2() != NULL, "must be");
   657       LIR_Op2* op2 = (LIR_Op2*)op;
   659       assert(op2->_info == NULL, "not used");
   660       assert(op2->_opr1->is_valid(), "used");
   661       assert(op2->_opr2->is_valid(), "used");
   662       assert(op2->_result->is_valid(), "used");
   664       do_input(op2->_opr1); do_temp(op2->_opr1);
   665       do_input(op2->_opr2); do_temp(op2->_opr2);
   666       if (op2->_tmp->is_valid()) do_temp(op2->_tmp);
   667       do_output(op2->_result);
   669       break;
   670     }
   672     case lir_throw: {
   673       assert(op->as_Op2() != NULL, "must be");
   674       LIR_Op2* op2 = (LIR_Op2*)op;
   676       if (op2->_info)                     do_info(op2->_info);
   677       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
   678       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
   679       assert(op2->_result->is_illegal(), "no result");
   681       break;
   682     }
   684     case lir_unwind: {
   685       assert(op->as_Op1() != NULL, "must be");
   686       LIR_Op1* op1 = (LIR_Op1*)op;
   688       assert(op1->_info == NULL, "no info");
   689       assert(op1->_opr->is_valid(), "exception oop");         do_input(op1->_opr);
   690       assert(op1->_result->is_illegal(), "no result");
   692       break;
   693     }
   696     case lir_tan:
   697     case lir_sin:
   698     case lir_cos:
   699     case lir_log:
   700     case lir_log10: {
   701       assert(op->as_Op2() != NULL, "must be");
   702       LIR_Op2* op2 = (LIR_Op2*)op;
   704       // On x86 tan/sin/cos need two temporary fpu stack slots and
   705       // log/log10 need one so handle opr2 and tmp as temp inputs.
   706       // Register input operand as temp to guarantee that it doesn't
   707       // overlap with the input.
   708       assert(op2->_info == NULL, "not used");
   709       assert(op2->_opr1->is_valid(), "used");
   710       do_input(op2->_opr1); do_temp(op2->_opr1);
   712       if (op2->_opr2->is_valid())         do_temp(op2->_opr2);
   713       if (op2->_tmp->is_valid())          do_temp(op2->_tmp);
   714       if (op2->_result->is_valid())       do_output(op2->_result);
   716       break;
   717     }
   720 // LIR_Op3
   721     case lir_idiv:
   722     case lir_irem: {
   723       assert(op->as_Op3() != NULL, "must be");
   724       LIR_Op3* op3= (LIR_Op3*)op;
   726       if (op3->_info)                     do_info(op3->_info);
   727       if (op3->_opr1->is_valid())         do_input(op3->_opr1);
   729       // second operand is input and temp, so ensure that second operand
   730       // and third operand get not the same register
   731       if (op3->_opr2->is_valid())         do_input(op3->_opr2);
   732       if (op3->_opr2->is_valid())         do_temp(op3->_opr2);
   733       if (op3->_opr3->is_valid())         do_temp(op3->_opr3);
   735       if (op3->_result->is_valid())       do_output(op3->_result);
   737       break;
   738     }
   741 // LIR_OpJavaCall
   742     case lir_static_call:
   743     case lir_optvirtual_call:
   744     case lir_icvirtual_call:
   745     case lir_virtual_call:
   746     case lir_dynamic_call: {
   747       LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
   748       assert(opJavaCall != NULL, "must be");
   750       if (opJavaCall->_receiver->is_valid())     do_input(opJavaCall->_receiver);
   752       // only visit register parameters
   753       int n = opJavaCall->_arguments->length();
   754       for (int i = 0; i < n; i++) {
   755         if (!opJavaCall->_arguments->at(i)->is_pointer()) {
   756           do_input(*opJavaCall->_arguments->adr_at(i));
   757         }
   758       }
   760       if (opJavaCall->_info)                     do_info(opJavaCall->_info);
   761       if (opJavaCall->is_method_handle_invoke()) {
   762         opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
   763         do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
   764       }
   765       do_call();
   766       if (opJavaCall->_result->is_valid())       do_output(opJavaCall->_result);
   768       break;
   769     }
   772 // LIR_OpRTCall
   773     case lir_rtcall: {
   774       assert(op->as_OpRTCall() != NULL, "must be");
   775       LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
   777       // only visit register parameters
   778       int n = opRTCall->_arguments->length();
   779       for (int i = 0; i < n; i++) {
   780         if (!opRTCall->_arguments->at(i)->is_pointer()) {
   781           do_input(*opRTCall->_arguments->adr_at(i));
   782         }
   783       }
   784       if (opRTCall->_info)                     do_info(opRTCall->_info);
   785       if (opRTCall->_tmp->is_valid())          do_temp(opRTCall->_tmp);
   786       do_call();
   787       if (opRTCall->_result->is_valid())       do_output(opRTCall->_result);
   789       break;
   790     }
   793 // LIR_OpArrayCopy
   794     case lir_arraycopy: {
   795       assert(op->as_OpArrayCopy() != NULL, "must be");
   796       LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
   798       assert(opArrayCopy->_result->is_illegal(), "unused");
   799       assert(opArrayCopy->_src->is_valid(), "used");          do_input(opArrayCopy->_src);     do_temp(opArrayCopy->_src);
   800       assert(opArrayCopy->_src_pos->is_valid(), "used");      do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
   801       assert(opArrayCopy->_dst->is_valid(), "used");          do_input(opArrayCopy->_dst);     do_temp(opArrayCopy->_dst);
   802       assert(opArrayCopy->_dst_pos->is_valid(), "used");      do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
   803       assert(opArrayCopy->_length->is_valid(), "used");       do_input(opArrayCopy->_length);  do_temp(opArrayCopy->_length);
   804       assert(opArrayCopy->_tmp->is_valid(), "used");          do_temp(opArrayCopy->_tmp);
   805       if (opArrayCopy->_info)                     do_info(opArrayCopy->_info);
   807       // the implementation of arraycopy always has a call into the runtime
   808       do_call();
   810       break;
   811     }
   814 // LIR_OpLock
   815     case lir_lock:
   816     case lir_unlock: {
   817       assert(op->as_OpLock() != NULL, "must be");
   818       LIR_OpLock* opLock = (LIR_OpLock*)op;
   820       if (opLock->_info)                          do_info(opLock->_info);
   822       // TODO: check if these operands really have to be temp
   823       // (or if input is sufficient). This may have influence on the oop map!
   824       assert(opLock->_lock->is_valid(), "used");  do_temp(opLock->_lock);
   825       assert(opLock->_hdr->is_valid(),  "used");  do_temp(opLock->_hdr);
   826       assert(opLock->_obj->is_valid(),  "used");  do_temp(opLock->_obj);
   828       if (opLock->_scratch->is_valid())           do_temp(opLock->_scratch);
   829       assert(opLock->_result->is_illegal(), "unused");
   831       do_stub(opLock->_stub);
   833       break;
   834     }
   837 // LIR_OpDelay
   838     case lir_delay_slot: {
   839       assert(op->as_OpDelay() != NULL, "must be");
   840       LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
   842       visit(opDelay->delay_op());
   843       break;
   844     }
   846 // LIR_OpTypeCheck
   847     case lir_instanceof:
   848     case lir_checkcast:
   849     case lir_store_check: {
   850       assert(op->as_OpTypeCheck() != NULL, "must be");
   851       LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
   853       if (opTypeCheck->_info_for_exception)       do_info(opTypeCheck->_info_for_exception);
   854       if (opTypeCheck->_info_for_patch)           do_info(opTypeCheck->_info_for_patch);
   855       if (opTypeCheck->_object->is_valid())       do_input(opTypeCheck->_object);
   856       if (opTypeCheck->_array->is_valid())        do_input(opTypeCheck->_array);
   857       if (opTypeCheck->_tmp1->is_valid())         do_temp(opTypeCheck->_tmp1);
   858       if (opTypeCheck->_tmp2->is_valid())         do_temp(opTypeCheck->_tmp2);
   859       if (opTypeCheck->_tmp3->is_valid())         do_temp(opTypeCheck->_tmp3);
   860       if (opTypeCheck->_result->is_valid())       do_output(opTypeCheck->_result);
   861                                                   do_stub(opTypeCheck->_stub);
   862       break;
   863     }
   865 // LIR_OpCompareAndSwap
   866     case lir_cas_long:
   867     case lir_cas_obj:
   868     case lir_cas_int: {
   869       assert(op->as_OpCompareAndSwap() != NULL, "must be");
   870       LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
   872       assert(opCompareAndSwap->_addr->is_valid(),      "used");
   873       assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
   874       assert(opCompareAndSwap->_new_value->is_valid(), "used");
   875       if (opCompareAndSwap->_info)                    do_info(opCompareAndSwap->_info);
   876                                                       do_input(opCompareAndSwap->_addr);
   877                                                       do_temp(opCompareAndSwap->_addr);
   878                                                       do_input(opCompareAndSwap->_cmp_value);
   879                                                       do_temp(opCompareAndSwap->_cmp_value);
   880                                                       do_input(opCompareAndSwap->_new_value);
   881                                                       do_temp(opCompareAndSwap->_new_value);
   882       if (opCompareAndSwap->_tmp1->is_valid())        do_temp(opCompareAndSwap->_tmp1);
   883       if (opCompareAndSwap->_tmp2->is_valid())        do_temp(opCompareAndSwap->_tmp2);
   884       if (opCompareAndSwap->_result->is_valid())      do_output(opCompareAndSwap->_result);
   886       break;
   887     }
   890 // LIR_OpAllocArray;
   891     case lir_alloc_array: {
   892       assert(op->as_OpAllocArray() != NULL, "must be");
   893       LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
   895       if (opAllocArray->_info)                        do_info(opAllocArray->_info);
   896       if (opAllocArray->_klass->is_valid())           do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
   897       if (opAllocArray->_len->is_valid())             do_input(opAllocArray->_len);   do_temp(opAllocArray->_len);
   898       if (opAllocArray->_tmp1->is_valid())            do_temp(opAllocArray->_tmp1);
   899       if (opAllocArray->_tmp2->is_valid())            do_temp(opAllocArray->_tmp2);
   900       if (opAllocArray->_tmp3->is_valid())            do_temp(opAllocArray->_tmp3);
   901       if (opAllocArray->_tmp4->is_valid())            do_temp(opAllocArray->_tmp4);
   902       if (opAllocArray->_result->is_valid())          do_output(opAllocArray->_result);
   903                                                       do_stub(opAllocArray->_stub);
   904       break;
   905     }
   907 // LIR_OpProfileCall:
   908     case lir_profile_call: {
   909       assert(op->as_OpProfileCall() != NULL, "must be");
   910       LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
   912       if (opProfileCall->_recv->is_valid())              do_temp(opProfileCall->_recv);
   913       assert(opProfileCall->_mdo->is_valid(), "used");   do_temp(opProfileCall->_mdo);
   914       assert(opProfileCall->_tmp1->is_valid(), "used");  do_temp(opProfileCall->_tmp1);
   915       break;
   916     }
   917   default:
   918     ShouldNotReachHere();
   919   }
   920 }
   923 void LIR_OpVisitState::do_stub(CodeStub* stub) {
   924   if (stub != NULL) {
   925     stub->visit(this);
   926   }
   927 }
   929 XHandlers* LIR_OpVisitState::all_xhandler() {
   930   XHandlers* result = NULL;
   932   int i;
   933   for (i = 0; i < info_count(); i++) {
   934     if (info_at(i)->exception_handlers() != NULL) {
   935       result = info_at(i)->exception_handlers();
   936       break;
   937     }
   938   }
   940 #ifdef ASSERT
   941   for (i = 0; i < info_count(); i++) {
   942     assert(info_at(i)->exception_handlers() == NULL ||
   943            info_at(i)->exception_handlers() == result,
   944            "only one xhandler list allowed per LIR-operation");
   945   }
   946 #endif
   948   if (result != NULL) {
   949     return result;
   950   } else {
   951     return new XHandlers();
   952   }
   954   return result;
   955 }
   958 #ifdef ASSERT
   959 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
   960   visit(op);
   962   return opr_count(inputMode) == 0 &&
   963          opr_count(outputMode) == 0 &&
   964          opr_count(tempMode) == 0 &&
   965          info_count() == 0 &&
   966          !has_call() &&
   967          !has_slow_case();
   968 }
   969 #endif
   971 //---------------------------------------------------
   974 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
   975   masm->emit_call(this);
   976 }
   978 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
   979   masm->emit_rtcall(this);
   980 }
   982 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
   983   masm->emit_opLabel(this);
   984 }
   986 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
   987   masm->emit_arraycopy(this);
   988   masm->emit_code_stub(stub());
   989 }
   991 void LIR_Op0::emit_code(LIR_Assembler* masm) {
   992   masm->emit_op0(this);
   993 }
   995 void LIR_Op1::emit_code(LIR_Assembler* masm) {
   996   masm->emit_op1(this);
   997 }
   999 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
  1000   masm->emit_alloc_obj(this);
  1001   masm->emit_code_stub(stub());
  1004 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
  1005   masm->emit_opBranch(this);
  1006   if (stub()) {
  1007     masm->emit_code_stub(stub());
  1011 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
  1012   masm->emit_opConvert(this);
  1013   if (stub() != NULL) {
  1014     masm->emit_code_stub(stub());
  1018 void LIR_Op2::emit_code(LIR_Assembler* masm) {
  1019   masm->emit_op2(this);
  1022 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
  1023   masm->emit_alloc_array(this);
  1024   masm->emit_code_stub(stub());
  1027 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
  1028   masm->emit_opTypeCheck(this);
  1029   if (stub()) {
  1030     masm->emit_code_stub(stub());
  1034 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
  1035   masm->emit_compare_and_swap(this);
  1038 void LIR_Op3::emit_code(LIR_Assembler* masm) {
  1039   masm->emit_op3(this);
  1042 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
  1043   masm->emit_lock(this);
  1044   if (stub()) {
  1045     masm->emit_code_stub(stub());
  1050 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
  1051   masm->emit_delay(this);
  1054 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
  1055   masm->emit_profile_call(this);
  1058 // LIR_List
  1059 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
  1060   : _operations(8)
  1061   , _compilation(compilation)
  1062 #ifndef PRODUCT
  1063   , _block(block)
  1064 #endif
  1065 #ifdef ASSERT
  1066   , _file(NULL)
  1067   , _line(0)
  1068 #endif
  1069 { }
  1072 #ifdef ASSERT
  1073 void LIR_List::set_file_and_line(const char * file, int line) {
  1074   const char * f = strrchr(file, '/');
  1075   if (f == NULL) f = strrchr(file, '\\');
  1076   if (f == NULL) {
  1077     f = file;
  1078   } else {
  1079     f++;
  1081   _file = f;
  1082   _line = line;
  1084 #endif
  1087 void LIR_List::append(LIR_InsertionBuffer* buffer) {
  1088   assert(this == buffer->lir_list(), "wrong lir list");
  1089   const int n = _operations.length();
  1091   if (buffer->number_of_ops() > 0) {
  1092     // increase size of instructions list
  1093     _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
  1094     // insert ops from buffer into instructions list
  1095     int op_index = buffer->number_of_ops() - 1;
  1096     int ip_index = buffer->number_of_insertion_points() - 1;
  1097     int from_index = n - 1;
  1098     int to_index = _operations.length() - 1;
  1099     for (; ip_index >= 0; ip_index --) {
  1100       int index = buffer->index_at(ip_index);
  1101       // make room after insertion point
  1102       while (index < from_index) {
  1103         _operations.at_put(to_index --, _operations.at(from_index --));
  1105       // insert ops from buffer
  1106       for (int i = buffer->count_at(ip_index); i > 0; i --) {
  1107         _operations.at_put(to_index --, buffer->op_at(op_index --));
  1112   buffer->finish();
  1116 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
  1117   append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o),  reg, T_OBJECT, lir_patch_normal, info));
  1121 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1122   append(new LIR_Op1(
  1123             lir_move,
  1124             LIR_OprFact::address(addr),
  1125             src,
  1126             addr->type(),
  1127             patch_code,
  1128             info));
  1132 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1133   append(new LIR_Op1(
  1134             lir_move,
  1135             LIR_OprFact::address(address),
  1136             dst,
  1137             address->type(),
  1138             patch_code,
  1139             info, lir_move_volatile));
  1142 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1143   append(new LIR_Op1(
  1144             lir_move,
  1145             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1146             dst,
  1147             type,
  1148             patch_code,
  1149             info, lir_move_volatile));
  1153 void LIR_List::prefetch(LIR_Address* addr, bool is_store) {
  1154   append(new LIR_Op1(
  1155             is_store ? lir_prefetchw : lir_prefetchr,
  1156             LIR_OprFact::address(addr)));
  1160 void LIR_List::store_mem_int(jint v, 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::intConst(v),
  1164             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1165             type,
  1166             patch_code,
  1167             info));
  1171 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1172   append(new LIR_Op1(
  1173             lir_move,
  1174             LIR_OprFact::oopConst(o),
  1175             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1176             type,
  1177             patch_code,
  1178             info));
  1182 void LIR_List::store(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));
  1193 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1194   append(new LIR_Op1(
  1195             lir_move,
  1196             src,
  1197             LIR_OprFact::address(addr),
  1198             addr->type(),
  1199             patch_code,
  1200             info,
  1201             lir_move_volatile));
  1204 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1205   append(new LIR_Op1(
  1206             lir_move,
  1207             src,
  1208             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1209             type,
  1210             patch_code,
  1211             info, lir_move_volatile));
  1215 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1216   append(new LIR_Op3(
  1217                     lir_idiv,
  1218                     left,
  1219                     right,
  1220                     tmp,
  1221                     res,
  1222                     info));
  1226 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1227   append(new LIR_Op3(
  1228                     lir_idiv,
  1229                     left,
  1230                     LIR_OprFact::intConst(right),
  1231                     tmp,
  1232                     res,
  1233                     info));
  1237 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1238   append(new LIR_Op3(
  1239                     lir_irem,
  1240                     left,
  1241                     right,
  1242                     tmp,
  1243                     res,
  1244                     info));
  1248 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1249   append(new LIR_Op3(
  1250                     lir_irem,
  1251                     left,
  1252                     LIR_OprFact::intConst(right),
  1253                     tmp,
  1254                     res,
  1255                     info));
  1259 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
  1260   append(new LIR_Op2(
  1261                     lir_cmp,
  1262                     condition,
  1263                     LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
  1264                     LIR_OprFact::intConst(c),
  1265                     info));
  1269 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
  1270   append(new LIR_Op2(
  1271                     lir_cmp,
  1272                     condition,
  1273                     reg,
  1274                     LIR_OprFact::address(addr),
  1275                     info));
  1278 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
  1279                                int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
  1280   append(new LIR_OpAllocObj(
  1281                            klass,
  1282                            dst,
  1283                            t1,
  1284                            t2,
  1285                            t3,
  1286                            t4,
  1287                            header_size,
  1288                            object_size,
  1289                            init_check,
  1290                            stub));
  1293 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) {
  1294   append(new LIR_OpAllocArray(
  1295                            klass,
  1296                            len,
  1297                            dst,
  1298                            t1,
  1299                            t2,
  1300                            t3,
  1301                            t4,
  1302                            type,
  1303                            stub));
  1306 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1307  append(new LIR_Op2(
  1308                     lir_shl,
  1309                     value,
  1310                     count,
  1311                     dst,
  1312                     tmp));
  1315 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1316  append(new LIR_Op2(
  1317                     lir_shr,
  1318                     value,
  1319                     count,
  1320                     dst,
  1321                     tmp));
  1325 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1326  append(new LIR_Op2(
  1327                     lir_ushr,
  1328                     value,
  1329                     count,
  1330                     dst,
  1331                     tmp));
  1334 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
  1335   append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
  1336                      left,
  1337                      right,
  1338                      dst));
  1341 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
  1342   append(new LIR_OpLock(
  1343                     lir_lock,
  1344                     hdr,
  1345                     obj,
  1346                     lock,
  1347                     scratch,
  1348                     stub,
  1349                     info));
  1352 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
  1353   append(new LIR_OpLock(
  1354                     lir_unlock,
  1355                     hdr,
  1356                     obj,
  1357                     lock,
  1358                     scratch,
  1359                     stub,
  1360                     NULL));
  1364 void check_LIR() {
  1365   // cannot do the proper checking as PRODUCT and other modes return different results
  1366   // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
  1371 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
  1372                           LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
  1373                           CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
  1374                           ciMethod* profiled_method, int profiled_bci) {
  1375   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
  1376                                            tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
  1377   if (profiled_method != NULL) {
  1378     c->set_profiled_method(profiled_method);
  1379     c->set_profiled_bci(profiled_bci);
  1380     c->set_should_profile(true);
  1382   append(c);
  1385 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) {
  1386   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
  1387   if (profiled_method != NULL) {
  1388     c->set_profiled_method(profiled_method);
  1389     c->set_profiled_bci(profiled_bci);
  1390     c->set_should_profile(true);
  1392   append(c);
  1396 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, CodeEmitInfo* info_for_exception) {
  1397   append(new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception));
  1401 void LIR_List::cas_long(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_long, addr, cmp_value, new_value, t1, t2, result));
  1406 void LIR_List::cas_obj(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_obj, addr, cmp_value, new_value, t1, t2, result));
  1411 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1412                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1413   append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
  1417 #ifdef PRODUCT
  1419 void print_LIR(BlockList* blocks) {
  1422 #else
  1423 // LIR_OprDesc
  1424 void LIR_OprDesc::print() const {
  1425   print(tty);
  1428 void LIR_OprDesc::print(outputStream* out) const {
  1429   if (is_illegal()) {
  1430     return;
  1433   out->print("[");
  1434   if (is_pointer()) {
  1435     pointer()->print_value_on(out);
  1436   } else if (is_single_stack()) {
  1437     out->print("stack:%d", single_stack_ix());
  1438   } else if (is_double_stack()) {
  1439     out->print("dbl_stack:%d",double_stack_ix());
  1440   } else if (is_virtual()) {
  1441     out->print("R%d", vreg_number());
  1442   } else if (is_single_cpu()) {
  1443     out->print(as_register()->name());
  1444   } else if (is_double_cpu()) {
  1445     out->print(as_register_hi()->name());
  1446     out->print(as_register_lo()->name());
  1447 #if defined(X86)
  1448   } else if (is_single_xmm()) {
  1449     out->print(as_xmm_float_reg()->name());
  1450   } else if (is_double_xmm()) {
  1451     out->print(as_xmm_double_reg()->name());
  1452   } else if (is_single_fpu()) {
  1453     out->print("fpu%d", fpu_regnr());
  1454   } else if (is_double_fpu()) {
  1455     out->print("fpu%d", fpu_regnrLo());
  1456 #elif defined(ARM)
  1457   } else if (is_single_fpu()) {
  1458     out->print("s%d", fpu_regnr());
  1459   } else if (is_double_fpu()) {
  1460     out->print("d%d", fpu_regnrLo() >> 1);
  1461 #else
  1462   } else if (is_single_fpu()) {
  1463     out->print(as_float_reg()->name());
  1464   } else if (is_double_fpu()) {
  1465     out->print(as_double_reg()->name());
  1466 #endif
  1468   } else if (is_illegal()) {
  1469     out->print("-");
  1470   } else {
  1471     out->print("Unknown Operand");
  1473   if (!is_illegal()) {
  1474     out->print("|%c", type_char());
  1476   if (is_register() && is_last_use()) {
  1477     out->print("(last_use)");
  1479   out->print("]");
  1483 // LIR_Address
  1484 void LIR_Const::print_value_on(outputStream* out) const {
  1485   switch (type()) {
  1486     case T_ADDRESS:out->print("address:%d",as_jint());          break;
  1487     case T_INT:    out->print("int:%d",   as_jint());           break;
  1488     case T_LONG:   out->print("lng:%lld", as_jlong());          break;
  1489     case T_FLOAT:  out->print("flt:%f",   as_jfloat());         break;
  1490     case T_DOUBLE: out->print("dbl:%f",   as_jdouble());        break;
  1491     case T_OBJECT: out->print("obj:0x%x", as_jobject());        break;
  1492     default:       out->print("%3d:0x%x",type(), as_jdouble()); break;
  1496 // LIR_Address
  1497 void LIR_Address::print_value_on(outputStream* out) const {
  1498   out->print("Base:"); _base->print(out);
  1499   if (!_index->is_illegal()) {
  1500     out->print(" Index:"); _index->print(out);
  1501     switch (scale()) {
  1502     case times_1: break;
  1503     case times_2: out->print(" * 2"); break;
  1504     case times_4: out->print(" * 4"); break;
  1505     case times_8: out->print(" * 8"); break;
  1508   out->print(" Disp: %d", _disp);
  1511 // debug output of block header without InstructionPrinter
  1512 //       (because phi functions are not necessary for LIR)
  1513 static void print_block(BlockBegin* x) {
  1514   // print block id
  1515   BlockEnd* end = x->end();
  1516   tty->print("B%d ", x->block_id());
  1518   // print flags
  1519   if (x->is_set(BlockBegin::std_entry_flag))               tty->print("std ");
  1520   if (x->is_set(BlockBegin::osr_entry_flag))               tty->print("osr ");
  1521   if (x->is_set(BlockBegin::exception_entry_flag))         tty->print("ex ");
  1522   if (x->is_set(BlockBegin::subroutine_entry_flag))        tty->print("jsr ");
  1523   if (x->is_set(BlockBegin::backward_branch_target_flag))  tty->print("bb ");
  1524   if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
  1525   if (x->is_set(BlockBegin::linear_scan_loop_end_flag))    tty->print("le ");
  1527   // print block bci range
  1528   tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci()));
  1530   // print predecessors and successors
  1531   if (x->number_of_preds() > 0) {
  1532     tty->print("preds: ");
  1533     for (int i = 0; i < x->number_of_preds(); i ++) {
  1534       tty->print("B%d ", x->pred_at(i)->block_id());
  1538   if (x->number_of_sux() > 0) {
  1539     tty->print("sux: ");
  1540     for (int i = 0; i < x->number_of_sux(); i ++) {
  1541       tty->print("B%d ", x->sux_at(i)->block_id());
  1545   // print exception handlers
  1546   if (x->number_of_exception_handlers() > 0) {
  1547     tty->print("xhandler: ");
  1548     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
  1549       tty->print("B%d ", x->exception_handler_at(i)->block_id());
  1553   tty->cr();
  1556 void print_LIR(BlockList* blocks) {
  1557   tty->print_cr("LIR:");
  1558   int i;
  1559   for (i = 0; i < blocks->length(); i++) {
  1560     BlockBegin* bb = blocks->at(i);
  1561     print_block(bb);
  1562     tty->print("__id_Instruction___________________________________________"); tty->cr();
  1563     bb->lir()->print_instructions();
  1567 void LIR_List::print_instructions() {
  1568   for (int i = 0; i < _operations.length(); i++) {
  1569     _operations.at(i)->print(); tty->cr();
  1571   tty->cr();
  1574 // LIR_Ops printing routines
  1575 // LIR_Op
  1576 void LIR_Op::print_on(outputStream* out) const {
  1577   if (id() != -1 || PrintCFGToFile) {
  1578     out->print("%4d ", id());
  1579   } else {
  1580     out->print("     ");
  1582   out->print(name()); out->print(" ");
  1583   print_instr(out);
  1584   if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci());
  1585 #ifdef ASSERT
  1586   if (Verbose && _file != NULL) {
  1587     out->print(" (%s:%d)", _file, _line);
  1589 #endif
  1592 const char * LIR_Op::name() const {
  1593   const char* s = NULL;
  1594   switch(code()) {
  1595      // LIR_Op0
  1596      case lir_membar:                s = "membar";        break;
  1597      case lir_membar_acquire:        s = "membar_acquire"; break;
  1598      case lir_membar_release:        s = "membar_release"; break;
  1599      case lir_word_align:            s = "word_align";    break;
  1600      case lir_label:                 s = "label";         break;
  1601      case lir_nop:                   s = "nop";           break;
  1602      case lir_backwardbranch_target: s = "backbranch";    break;
  1603      case lir_std_entry:             s = "std_entry";     break;
  1604      case lir_osr_entry:             s = "osr_entry";     break;
  1605      case lir_build_frame:           s = "build_frm";     break;
  1606      case lir_fpop_raw:              s = "fpop_raw";      break;
  1607      case lir_24bit_FPU:             s = "24bit_FPU";     break;
  1608      case lir_reset_FPU:             s = "reset_FPU";     break;
  1609      case lir_breakpoint:            s = "breakpoint";    break;
  1610      case lir_get_thread:            s = "get_thread";    break;
  1611      // LIR_Op1
  1612      case lir_fxch:                  s = "fxch";          break;
  1613      case lir_fld:                   s = "fld";           break;
  1614      case lir_ffree:                 s = "ffree";         break;
  1615      case lir_push:                  s = "push";          break;
  1616      case lir_pop:                   s = "pop";           break;
  1617      case lir_null_check:            s = "null_check";    break;
  1618      case lir_return:                s = "return";        break;
  1619      case lir_safepoint:             s = "safepoint";     break;
  1620      case lir_neg:                   s = "neg";           break;
  1621      case lir_leal:                  s = "leal";          break;
  1622      case lir_branch:                s = "branch";        break;
  1623      case lir_cond_float_branch:     s = "flt_cond_br";   break;
  1624      case lir_move:                  s = "move";          break;
  1625      case lir_roundfp:               s = "roundfp";       break;
  1626      case lir_rtcall:                s = "rtcall";        break;
  1627      case lir_throw:                 s = "throw";         break;
  1628      case lir_unwind:                s = "unwind";        break;
  1629      case lir_convert:               s = "convert";       break;
  1630      case lir_alloc_object:          s = "alloc_obj";     break;
  1631      case lir_monaddr:               s = "mon_addr";      break;
  1632      case lir_pack64:                s = "pack64";        break;
  1633      case lir_unpack64:              s = "unpack64";      break;
  1634      // LIR_Op2
  1635      case lir_cmp:                   s = "cmp";           break;
  1636      case lir_cmp_l2i:               s = "cmp_l2i";       break;
  1637      case lir_ucmp_fd2i:             s = "ucomp_fd2i";    break;
  1638      case lir_cmp_fd2i:              s = "comp_fd2i";     break;
  1639      case lir_cmove:                 s = "cmove";         break;
  1640      case lir_add:                   s = "add";           break;
  1641      case lir_sub:                   s = "sub";           break;
  1642      case lir_mul:                   s = "mul";           break;
  1643      case lir_mul_strictfp:          s = "mul_strictfp";  break;
  1644      case lir_div:                   s = "div";           break;
  1645      case lir_div_strictfp:          s = "div_strictfp";  break;
  1646      case lir_rem:                   s = "rem";           break;
  1647      case lir_abs:                   s = "abs";           break;
  1648      case lir_sqrt:                  s = "sqrt";          break;
  1649      case lir_sin:                   s = "sin";           break;
  1650      case lir_cos:                   s = "cos";           break;
  1651      case lir_tan:                   s = "tan";           break;
  1652      case lir_log:                   s = "log";           break;
  1653      case lir_log10:                 s = "log10";         break;
  1654      case lir_logic_and:             s = "logic_and";     break;
  1655      case lir_logic_or:              s = "logic_or";      break;
  1656      case lir_logic_xor:             s = "logic_xor";     break;
  1657      case lir_shl:                   s = "shift_left";    break;
  1658      case lir_shr:                   s = "shift_right";   break;
  1659      case lir_ushr:                  s = "ushift_right";  break;
  1660      case lir_alloc_array:           s = "alloc_array";   break;
  1661      // LIR_Op3
  1662      case lir_idiv:                  s = "idiv";          break;
  1663      case lir_irem:                  s = "irem";          break;
  1664      // LIR_OpJavaCall
  1665      case lir_static_call:           s = "static";        break;
  1666      case lir_optvirtual_call:       s = "optvirtual";    break;
  1667      case lir_icvirtual_call:        s = "icvirtual";     break;
  1668      case lir_virtual_call:          s = "virtual";       break;
  1669      case lir_dynamic_call:          s = "dynamic";       break;
  1670      // LIR_OpArrayCopy
  1671      case lir_arraycopy:             s = "arraycopy";     break;
  1672      // LIR_OpLock
  1673      case lir_lock:                  s = "lock";          break;
  1674      case lir_unlock:                s = "unlock";        break;
  1675      // LIR_OpDelay
  1676      case lir_delay_slot:            s = "delay";         break;
  1677      // LIR_OpTypeCheck
  1678      case lir_instanceof:            s = "instanceof";    break;
  1679      case lir_checkcast:             s = "checkcast";     break;
  1680      case lir_store_check:           s = "store_check";   break;
  1681      // LIR_OpCompareAndSwap
  1682      case lir_cas_long:              s = "cas_long";      break;
  1683      case lir_cas_obj:               s = "cas_obj";      break;
  1684      case lir_cas_int:               s = "cas_int";      break;
  1685      // LIR_OpProfileCall
  1686      case lir_profile_call:          s = "profile_call";  break;
  1687      case lir_none:                  ShouldNotReachHere();break;
  1688     default:                         s = "illegal_op";    break;
  1690   return s;
  1693 // LIR_OpJavaCall
  1694 void LIR_OpJavaCall::print_instr(outputStream* out) const {
  1695   out->print("call: ");
  1696   out->print("[addr: 0x%x]", address());
  1697   if (receiver()->is_valid()) {
  1698     out->print(" [recv: ");   receiver()->print(out);   out->print("]");
  1700   if (result_opr()->is_valid()) {
  1701     out->print(" [result: "); result_opr()->print(out); out->print("]");
  1705 // LIR_OpLabel
  1706 void LIR_OpLabel::print_instr(outputStream* out) const {
  1707   out->print("[label:0x%x]", _label);
  1710 // LIR_OpArrayCopy
  1711 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
  1712   src()->print(out);     out->print(" ");
  1713   src_pos()->print(out); out->print(" ");
  1714   dst()->print(out);     out->print(" ");
  1715   dst_pos()->print(out); out->print(" ");
  1716   length()->print(out);  out->print(" ");
  1717   tmp()->print(out);     out->print(" ");
  1720 // LIR_OpCompareAndSwap
  1721 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
  1722   addr()->print(out);      out->print(" ");
  1723   cmp_value()->print(out); out->print(" ");
  1724   new_value()->print(out); out->print(" ");
  1725   tmp1()->print(out);      out->print(" ");
  1726   tmp2()->print(out);      out->print(" ");
  1730 // LIR_Op0
  1731 void LIR_Op0::print_instr(outputStream* out) const {
  1732   result_opr()->print(out);
  1735 // LIR_Op1
  1736 const char * LIR_Op1::name() const {
  1737   if (code() == lir_move) {
  1738     switch (move_kind()) {
  1739     case lir_move_normal:
  1740       return "move";
  1741     case lir_move_unaligned:
  1742       return "unaligned move";
  1743     case lir_move_volatile:
  1744       return "volatile_move";
  1745     default:
  1746       ShouldNotReachHere();
  1747     return "illegal_op";
  1749   } else {
  1750     return LIR_Op::name();
  1755 void LIR_Op1::print_instr(outputStream* out) const {
  1756   _opr->print(out);         out->print(" ");
  1757   result_opr()->print(out); out->print(" ");
  1758   print_patch_code(out, patch_code());
  1762 // LIR_Op1
  1763 void LIR_OpRTCall::print_instr(outputStream* out) const {
  1764   intx a = (intx)addr();
  1765   out->print(Runtime1::name_for_address(addr()));
  1766   out->print(" ");
  1767   tmp()->print(out);
  1770 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
  1771   switch(code) {
  1772     case lir_patch_none:                                 break;
  1773     case lir_patch_low:    out->print("[patch_low]");    break;
  1774     case lir_patch_high:   out->print("[patch_high]");   break;
  1775     case lir_patch_normal: out->print("[patch_normal]"); break;
  1776     default: ShouldNotReachHere();
  1780 // LIR_OpBranch
  1781 void LIR_OpBranch::print_instr(outputStream* out) const {
  1782   print_condition(out, cond());             out->print(" ");
  1783   if (block() != NULL) {
  1784     out->print("[B%d] ", block()->block_id());
  1785   } else if (stub() != NULL) {
  1786     out->print("[");
  1787     stub()->print_name(out);
  1788     out->print(": 0x%x]", stub());
  1789     if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci());
  1790   } else {
  1791     out->print("[label:0x%x] ", label());
  1793   if (ublock() != NULL) {
  1794     out->print("unordered: [B%d] ", ublock()->block_id());
  1798 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
  1799   switch(cond) {
  1800     case lir_cond_equal:           out->print("[EQ]");      break;
  1801     case lir_cond_notEqual:        out->print("[NE]");      break;
  1802     case lir_cond_less:            out->print("[LT]");      break;
  1803     case lir_cond_lessEqual:       out->print("[LE]");      break;
  1804     case lir_cond_greaterEqual:    out->print("[GE]");      break;
  1805     case lir_cond_greater:         out->print("[GT]");      break;
  1806     case lir_cond_belowEqual:      out->print("[BE]");      break;
  1807     case lir_cond_aboveEqual:      out->print("[AE]");      break;
  1808     case lir_cond_always:          out->print("[AL]");      break;
  1809     default:                       out->print("[%d]",cond); break;
  1813 // LIR_OpConvert
  1814 void LIR_OpConvert::print_instr(outputStream* out) const {
  1815   print_bytecode(out, bytecode());
  1816   in_opr()->print(out);                  out->print(" ");
  1817   result_opr()->print(out);              out->print(" ");
  1818 #ifdef PPC
  1819   if(tmp1()->is_valid()) {
  1820     tmp1()->print(out); out->print(" ");
  1821     tmp2()->print(out); out->print(" ");
  1823 #endif
  1826 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
  1827   switch(code) {
  1828     case Bytecodes::_d2f: out->print("[d2f] "); break;
  1829     case Bytecodes::_d2i: out->print("[d2i] "); break;
  1830     case Bytecodes::_d2l: out->print("[d2l] "); break;
  1831     case Bytecodes::_f2d: out->print("[f2d] "); break;
  1832     case Bytecodes::_f2i: out->print("[f2i] "); break;
  1833     case Bytecodes::_f2l: out->print("[f2l] "); break;
  1834     case Bytecodes::_i2b: out->print("[i2b] "); break;
  1835     case Bytecodes::_i2c: out->print("[i2c] "); break;
  1836     case Bytecodes::_i2d: out->print("[i2d] "); break;
  1837     case Bytecodes::_i2f: out->print("[i2f] "); break;
  1838     case Bytecodes::_i2l: out->print("[i2l] "); break;
  1839     case Bytecodes::_i2s: out->print("[i2s] "); break;
  1840     case Bytecodes::_l2i: out->print("[l2i] "); break;
  1841     case Bytecodes::_l2f: out->print("[l2f] "); break;
  1842     case Bytecodes::_l2d: out->print("[l2d] "); break;
  1843     default:
  1844       out->print("[?%d]",code);
  1845     break;
  1849 void LIR_OpAllocObj::print_instr(outputStream* out) const {
  1850   klass()->print(out);                      out->print(" ");
  1851   obj()->print(out);                        out->print(" ");
  1852   tmp1()->print(out);                       out->print(" ");
  1853   tmp2()->print(out);                       out->print(" ");
  1854   tmp3()->print(out);                       out->print(" ");
  1855   tmp4()->print(out);                       out->print(" ");
  1856   out->print("[hdr:%d]", header_size()); out->print(" ");
  1857   out->print("[obj:%d]", object_size()); out->print(" ");
  1858   out->print("[lbl:0x%x]", stub()->entry());
  1861 void LIR_OpRoundFP::print_instr(outputStream* out) const {
  1862   _opr->print(out);         out->print(" ");
  1863   tmp()->print(out);        out->print(" ");
  1864   result_opr()->print(out); out->print(" ");
  1867 // LIR_Op2
  1868 void LIR_Op2::print_instr(outputStream* out) const {
  1869   if (code() == lir_cmove) {
  1870     print_condition(out, condition());         out->print(" ");
  1872   in_opr1()->print(out);    out->print(" ");
  1873   in_opr2()->print(out);    out->print(" ");
  1874   if (tmp_opr()->is_valid()) { tmp_opr()->print(out);    out->print(" "); }
  1875   result_opr()->print(out);
  1878 void LIR_OpAllocArray::print_instr(outputStream* out) const {
  1879   klass()->print(out);                   out->print(" ");
  1880   len()->print(out);                     out->print(" ");
  1881   obj()->print(out);                     out->print(" ");
  1882   tmp1()->print(out);                    out->print(" ");
  1883   tmp2()->print(out);                    out->print(" ");
  1884   tmp3()->print(out);                    out->print(" ");
  1885   tmp4()->print(out);                    out->print(" ");
  1886   out->print("[type:0x%x]", type());     out->print(" ");
  1887   out->print("[label:0x%x]", stub()->entry());
  1891 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
  1892   object()->print(out);                  out->print(" ");
  1893   if (code() == lir_store_check) {
  1894     array()->print(out);                 out->print(" ");
  1896   if (code() != lir_store_check) {
  1897     klass()->print_name_on(out);         out->print(" ");
  1898     if (fast_check())                 out->print("fast_check ");
  1900   tmp1()->print(out);                    out->print(" ");
  1901   tmp2()->print(out);                    out->print(" ");
  1902   tmp3()->print(out);                    out->print(" ");
  1903   result_opr()->print(out);              out->print(" ");
  1904   if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
  1908 // LIR_Op3
  1909 void LIR_Op3::print_instr(outputStream* out) const {
  1910   in_opr1()->print(out);    out->print(" ");
  1911   in_opr2()->print(out);    out->print(" ");
  1912   in_opr3()->print(out);    out->print(" ");
  1913   result_opr()->print(out);
  1917 void LIR_OpLock::print_instr(outputStream* out) const {
  1918   hdr_opr()->print(out);   out->print(" ");
  1919   obj_opr()->print(out);   out->print(" ");
  1920   lock_opr()->print(out);  out->print(" ");
  1921   if (_scratch->is_valid()) {
  1922     _scratch->print(out);  out->print(" ");
  1924   out->print("[lbl:0x%x]", stub()->entry());
  1928 void LIR_OpDelay::print_instr(outputStream* out) const {
  1929   _op->print_on(out);
  1933 // LIR_OpProfileCall
  1934 void LIR_OpProfileCall::print_instr(outputStream* out) const {
  1935   profiled_method()->name()->print_symbol_on(out);
  1936   out->print(".");
  1937   profiled_method()->holder()->name()->print_symbol_on(out);
  1938   out->print(" @ %d ", profiled_bci());
  1939   mdo()->print(out);           out->print(" ");
  1940   recv()->print(out);          out->print(" ");
  1941   tmp1()->print(out);          out->print(" ");
  1944 #endif // PRODUCT
  1946 // Implementation of LIR_InsertionBuffer
  1948 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
  1949   assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
  1951   int i = number_of_insertion_points() - 1;
  1952   if (i < 0 || index_at(i) < index) {
  1953     append_new(index, 1);
  1954   } else {
  1955     assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
  1956     assert(count_at(i) > 0, "check");
  1957     set_count_at(i, count_at(i) + 1);
  1959   _ops.push(op);
  1961   DEBUG_ONLY(verify());
  1964 #ifdef ASSERT
  1965 void LIR_InsertionBuffer::verify() {
  1966   int sum = 0;
  1967   int prev_idx = -1;
  1969   for (int i = 0; i < number_of_insertion_points(); i++) {
  1970     assert(prev_idx < index_at(i), "index must be ordered ascending");
  1971     sum += count_at(i);
  1973   assert(sum == number_of_ops(), "wrong total sum");
  1975 #endif

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