src/share/vm/c1/c1_LIR.cpp

Tue, 15 May 2012 10:10:23 +0200

author
roland
date
Tue, 15 May 2012 10:10:23 +0200
changeset 3787
6759698e3140
parent 3592
701a83c86f28
child 4037
da91efe96a93
permissions
-rw-r--r--

7133857: exp() and pow() should use the x87 ISA on x86
Summary: use x87 instructions to implement exp() and pow() in interpreter/c1/c2.
Reviewed-by: kvn, never, twisti

     1 /*
     2  * Copyright (c) 2000, 2011, 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   // Note: offsets higher than 4096 must not be rejected here. They can
   146   // be handled by the back-end or will be rejected if not.
   147 #endif
   148 #ifdef _LP64
   149   assert(base()->is_cpu_register(), "wrong base operand");
   150   assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
   151   assert(base()->type() == T_OBJECT || base()->type() == T_LONG,
   152          "wrong type for addresses");
   153 #else
   154   assert(base()->is_single_cpu(), "wrong base operand");
   155   assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand");
   156   assert(base()->type() == T_OBJECT || base()->type() == T_INT,
   157          "wrong type for addresses");
   158 #endif
   159 }
   160 #endif
   163 //---------------------------------------------------
   165 char LIR_OprDesc::type_char(BasicType t) {
   166   switch (t) {
   167     case T_ARRAY:
   168       t = T_OBJECT;
   169     case T_BOOLEAN:
   170     case T_CHAR:
   171     case T_FLOAT:
   172     case T_DOUBLE:
   173     case T_BYTE:
   174     case T_SHORT:
   175     case T_INT:
   176     case T_LONG:
   177     case T_OBJECT:
   178     case T_ADDRESS:
   179     case T_VOID:
   180       return ::type2char(t);
   182     case T_ILLEGAL:
   183       return '?';
   185     default:
   186       ShouldNotReachHere();
   187       return '?';
   188   }
   189 }
   191 #ifndef PRODUCT
   192 void LIR_OprDesc::validate_type() const {
   194 #ifdef ASSERT
   195   if (!is_pointer() && !is_illegal()) {
   196     switch (as_BasicType(type_field())) {
   197     case T_LONG:
   198       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   199              size_field() == double_size, "must match");
   200       break;
   201     case T_FLOAT:
   202       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   203       assert((kind_field() == fpu_register || kind_field() == stack_value
   204              ARM_ONLY(|| kind_field() == cpu_register)
   205              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   206              size_field() == single_size, "must match");
   207       break;
   208     case T_DOUBLE:
   209       // FP return values can be also in CPU registers on ARM and PPC (softfp ABI)
   210       assert((kind_field() == fpu_register || kind_field() == stack_value
   211              ARM_ONLY(|| kind_field() == cpu_register)
   212              PPC_ONLY(|| kind_field() == cpu_register) ) &&
   213              size_field() == double_size, "must match");
   214       break;
   215     case T_BOOLEAN:
   216     case T_CHAR:
   217     case T_BYTE:
   218     case T_SHORT:
   219     case T_INT:
   220     case T_ADDRESS:
   221     case T_OBJECT:
   222     case T_ARRAY:
   223       assert((kind_field() == cpu_register || kind_field() == stack_value) &&
   224              size_field() == single_size, "must match");
   225       break;
   227     case T_ILLEGAL:
   228       // XXX TKR also means unknown right now
   229       // assert(is_illegal(), "must match");
   230       break;
   232     default:
   233       ShouldNotReachHere();
   234     }
   235   }
   236 #endif
   238 }
   239 #endif // PRODUCT
   242 bool LIR_OprDesc::is_oop() const {
   243   if (is_pointer()) {
   244     return pointer()->is_oop_pointer();
   245   } else {
   246     OprType t= type_field();
   247     assert(t != unknown_type, "not set");
   248     return t == object_type;
   249   }
   250 }
   254 void LIR_Op2::verify() const {
   255 #ifdef ASSERT
   256   switch (code()) {
   257     case lir_cmove:
   258       break;
   260     default:
   261       assert(!result_opr()->is_register() || !result_opr()->is_oop_register(),
   262              "can't produce oops from arith");
   263   }
   265   if (TwoOperandLIRForm) {
   266     switch (code()) {
   267     case lir_add:
   268     case lir_sub:
   269     case lir_mul:
   270     case lir_mul_strictfp:
   271     case lir_div:
   272     case lir_div_strictfp:
   273     case lir_rem:
   274     case lir_logic_and:
   275     case lir_logic_or:
   276     case lir_logic_xor:
   277     case lir_shl:
   278     case lir_shr:
   279       assert(in_opr1() == result_opr(), "opr1 and result must match");
   280       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   281       break;
   283     // special handling for lir_ushr because of write barriers
   284     case lir_ushr:
   285       assert(in_opr1() == result_opr() || in_opr2()->is_constant(), "opr1 and result must match or shift count is constant");
   286       assert(in_opr1()->is_valid() && in_opr2()->is_valid(), "must be valid");
   287       break;
   289     }
   290   }
   291 #endif
   292 }
   295 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block)
   296   : LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   297   , _cond(cond)
   298   , _type(type)
   299   , _label(block->label())
   300   , _block(block)
   301   , _ublock(NULL)
   302   , _stub(NULL) {
   303 }
   305 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, CodeStub* stub) :
   306   LIR_Op(lir_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   307   , _cond(cond)
   308   , _type(type)
   309   , _label(stub->entry())
   310   , _block(NULL)
   311   , _ublock(NULL)
   312   , _stub(stub) {
   313 }
   315 LIR_OpBranch::LIR_OpBranch(LIR_Condition cond, BasicType type, BlockBegin* block, BlockBegin* ublock)
   316   : LIR_Op(lir_cond_float_branch, LIR_OprFact::illegalOpr, (CodeEmitInfo*)NULL)
   317   , _cond(cond)
   318   , _type(type)
   319   , _label(block->label())
   320   , _block(block)
   321   , _ublock(ublock)
   322   , _stub(NULL)
   323 {
   324 }
   326 void LIR_OpBranch::change_block(BlockBegin* b) {
   327   assert(_block != NULL, "must have old block");
   328   assert(_block->label() == label(), "must be equal");
   330   _block = b;
   331   _label = b->label();
   332 }
   334 void LIR_OpBranch::change_ublock(BlockBegin* b) {
   335   assert(_ublock != NULL, "must have old block");
   336   _ublock = b;
   337 }
   339 void LIR_OpBranch::negate_cond() {
   340   switch (_cond) {
   341     case lir_cond_equal:        _cond = lir_cond_notEqual;     break;
   342     case lir_cond_notEqual:     _cond = lir_cond_equal;        break;
   343     case lir_cond_less:         _cond = lir_cond_greaterEqual; break;
   344     case lir_cond_lessEqual:    _cond = lir_cond_greater;      break;
   345     case lir_cond_greaterEqual: _cond = lir_cond_less;         break;
   346     case lir_cond_greater:      _cond = lir_cond_lessEqual;    break;
   347     default: ShouldNotReachHere();
   348   }
   349 }
   352 LIR_OpTypeCheck::LIR_OpTypeCheck(LIR_Code code, LIR_Opr result, LIR_Opr object, ciKlass* klass,
   353                                  LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
   354                                  bool fast_check, CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch,
   355                                  CodeStub* stub)
   357   : LIR_Op(code, result, NULL)
   358   , _object(object)
   359   , _array(LIR_OprFact::illegalOpr)
   360   , _klass(klass)
   361   , _tmp1(tmp1)
   362   , _tmp2(tmp2)
   363   , _tmp3(tmp3)
   364   , _fast_check(fast_check)
   365   , _stub(stub)
   366   , _info_for_patch(info_for_patch)
   367   , _info_for_exception(info_for_exception)
   368   , _profiled_method(NULL)
   369   , _profiled_bci(-1)
   370   , _should_profile(false)
   371 {
   372   if (code == lir_checkcast) {
   373     assert(info_for_exception != NULL, "checkcast throws exceptions");
   374   } else if (code == lir_instanceof) {
   375     assert(info_for_exception == NULL, "instanceof throws no exceptions");
   376   } else {
   377     ShouldNotReachHere();
   378   }
   379 }
   383 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)
   384   : LIR_Op(code, LIR_OprFact::illegalOpr, NULL)
   385   , _object(object)
   386   , _array(array)
   387   , _klass(NULL)
   388   , _tmp1(tmp1)
   389   , _tmp2(tmp2)
   390   , _tmp3(tmp3)
   391   , _fast_check(false)
   392   , _stub(NULL)
   393   , _info_for_patch(NULL)
   394   , _info_for_exception(info_for_exception)
   395   , _profiled_method(NULL)
   396   , _profiled_bci(-1)
   397   , _should_profile(false)
   398 {
   399   if (code == lir_store_check) {
   400     _stub = new ArrayStoreExceptionStub(object, info_for_exception);
   401     assert(info_for_exception != NULL, "store_check throws exceptions");
   402   } else {
   403     ShouldNotReachHere();
   404   }
   405 }
   408 LIR_OpArrayCopy::LIR_OpArrayCopy(LIR_Opr src, LIR_Opr src_pos, LIR_Opr dst, LIR_Opr dst_pos, LIR_Opr length,
   409                                  LIR_Opr tmp, ciArrayKlass* expected_type, int flags, CodeEmitInfo* info)
   410   : LIR_Op(lir_arraycopy, LIR_OprFact::illegalOpr, info)
   411   , _tmp(tmp)
   412   , _src(src)
   413   , _src_pos(src_pos)
   414   , _dst(dst)
   415   , _dst_pos(dst_pos)
   416   , _flags(flags)
   417   , _expected_type(expected_type)
   418   , _length(length) {
   419   _stub = new ArrayCopyStub(this);
   420 }
   423 //-------------------verify--------------------------
   425 void LIR_Op1::verify() const {
   426   switch(code()) {
   427   case lir_move:
   428     assert(in_opr()->is_valid() && result_opr()->is_valid(), "must be");
   429     break;
   430   case lir_null_check:
   431     assert(in_opr()->is_register(), "must be");
   432     break;
   433   case lir_return:
   434     assert(in_opr()->is_register() || in_opr()->is_illegal(), "must be");
   435     break;
   436   }
   437 }
   439 void LIR_OpRTCall::verify() const {
   440   assert(strcmp(Runtime1::name_for_address(addr()), "<unknown function>") != 0, "unknown function");
   441 }
   443 //-------------------visits--------------------------
   445 // complete rework of LIR instruction visitor.
   446 // The virtual calls for each instruction type is replaced by a big
   447 // switch that adds the operands for each instruction
   449 void LIR_OpVisitState::visit(LIR_Op* op) {
   450   // copy information from the LIR_Op
   451   reset();
   452   set_op(op);
   454   switch (op->code()) {
   456 // LIR_Op0
   457     case lir_word_align:               // result and info always invalid
   458     case lir_backwardbranch_target:    // result and info always invalid
   459     case lir_build_frame:              // result and info always invalid
   460     case lir_fpop_raw:                 // result and info always invalid
   461     case lir_24bit_FPU:                // result and info always invalid
   462     case lir_reset_FPU:                // result and info always invalid
   463     case lir_breakpoint:               // result and info always invalid
   464     case lir_membar:                   // result and info always invalid
   465     case lir_membar_acquire:           // result and info always invalid
   466     case lir_membar_release:           // result and info always invalid
   467     case lir_membar_loadload:          // result and info always invalid
   468     case lir_membar_storestore:        // result and info always invalid
   469     case lir_membar_loadstore:         // result and info always invalid
   470     case lir_membar_storeload:         // result and info always invalid
   471     {
   472       assert(op->as_Op0() != NULL, "must be");
   473       assert(op->_info == NULL, "info not used by this instruction");
   474       assert(op->_result->is_illegal(), "not used");
   475       break;
   476     }
   478     case lir_nop:                      // may have info, result always invalid
   479     case lir_std_entry:                // may have result, info always invalid
   480     case lir_osr_entry:                // may have result, info always invalid
   481     case lir_get_thread:               // may have result, info always invalid
   482     {
   483       assert(op->as_Op0() != NULL, "must be");
   484       if (op->_info != NULL)           do_info(op->_info);
   485       if (op->_result->is_valid())     do_output(op->_result);
   486       break;
   487     }
   490 // LIR_OpLabel
   491     case lir_label:                    // result and info always invalid
   492     {
   493       assert(op->as_OpLabel() != NULL, "must be");
   494       assert(op->_info == NULL, "info not used by this instruction");
   495       assert(op->_result->is_illegal(), "not used");
   496       break;
   497     }
   500 // LIR_Op1
   501     case lir_fxch:           // input always valid, result and info always invalid
   502     case lir_fld:            // input always valid, result and info always invalid
   503     case lir_ffree:          // input always valid, result and info always invalid
   504     case lir_push:           // input always valid, result and info always invalid
   505     case lir_pop:            // input always valid, result and info always invalid
   506     case lir_return:         // input always valid, result and info always invalid
   507     case lir_leal:           // input and result always valid, info always invalid
   508     case lir_neg:            // input and result always valid, info always invalid
   509     case lir_monaddr:        // input and result always valid, info always invalid
   510     case lir_null_check:     // input and info always valid, result always invalid
   511     case lir_move:           // input and result always valid, may have info
   512     case lir_pack64:         // input and result always valid
   513     case lir_unpack64:       // input and result always valid
   514     case lir_prefetchr:      // input always valid, result and info always invalid
   515     case lir_prefetchw:      // input always valid, result and info always invalid
   516     {
   517       assert(op->as_Op1() != NULL, "must be");
   518       LIR_Op1* op1 = (LIR_Op1*)op;
   520       if (op1->_info)                  do_info(op1->_info);
   521       if (op1->_opr->is_valid())       do_input(op1->_opr);
   522       if (op1->_result->is_valid())    do_output(op1->_result);
   524       break;
   525     }
   527     case lir_safepoint:
   528     {
   529       assert(op->as_Op1() != NULL, "must be");
   530       LIR_Op1* op1 = (LIR_Op1*)op;
   532       assert(op1->_info != NULL, "");  do_info(op1->_info);
   533       if (op1->_opr->is_valid())       do_temp(op1->_opr); // safepoints on SPARC need temporary register
   534       assert(op1->_result->is_illegal(), "safepoint does not produce value");
   536       break;
   537     }
   539 // LIR_OpConvert;
   540     case lir_convert:        // input and result always valid, info always invalid
   541     {
   542       assert(op->as_OpConvert() != NULL, "must be");
   543       LIR_OpConvert* opConvert = (LIR_OpConvert*)op;
   545       assert(opConvert->_info == NULL, "must be");
   546       if (opConvert->_opr->is_valid())       do_input(opConvert->_opr);
   547       if (opConvert->_result->is_valid())    do_output(opConvert->_result);
   548 #ifdef PPC
   549       if (opConvert->_tmp1->is_valid())      do_temp(opConvert->_tmp1);
   550       if (opConvert->_tmp2->is_valid())      do_temp(opConvert->_tmp2);
   551 #endif
   552       do_stub(opConvert->_stub);
   554       break;
   555     }
   557 // LIR_OpBranch;
   558     case lir_branch:                   // may have info, input and result register always invalid
   559     case lir_cond_float_branch:        // may have info, input and result register always invalid
   560     {
   561       assert(op->as_OpBranch() != NULL, "must be");
   562       LIR_OpBranch* opBranch = (LIR_OpBranch*)op;
   564       if (opBranch->_info != NULL)     do_info(opBranch->_info);
   565       assert(opBranch->_result->is_illegal(), "not used");
   566       if (opBranch->_stub != NULL)     opBranch->stub()->visit(this);
   568       break;
   569     }
   572 // LIR_OpAllocObj
   573     case lir_alloc_object:
   574     {
   575       assert(op->as_OpAllocObj() != NULL, "must be");
   576       LIR_OpAllocObj* opAllocObj = (LIR_OpAllocObj*)op;
   578       if (opAllocObj->_info)                     do_info(opAllocObj->_info);
   579       if (opAllocObj->_opr->is_valid()) {        do_input(opAllocObj->_opr);
   580                                                  do_temp(opAllocObj->_opr);
   581                                         }
   582       if (opAllocObj->_tmp1->is_valid())         do_temp(opAllocObj->_tmp1);
   583       if (opAllocObj->_tmp2->is_valid())         do_temp(opAllocObj->_tmp2);
   584       if (opAllocObj->_tmp3->is_valid())         do_temp(opAllocObj->_tmp3);
   585       if (opAllocObj->_tmp4->is_valid())         do_temp(opAllocObj->_tmp4);
   586       if (opAllocObj->_result->is_valid())       do_output(opAllocObj->_result);
   587                                                  do_stub(opAllocObj->_stub);
   588       break;
   589     }
   592 // LIR_OpRoundFP;
   593     case lir_roundfp: {
   594       assert(op->as_OpRoundFP() != NULL, "must be");
   595       LIR_OpRoundFP* opRoundFP = (LIR_OpRoundFP*)op;
   597       assert(op->_info == NULL, "info not used by this instruction");
   598       assert(opRoundFP->_tmp->is_illegal(), "not used");
   599       do_input(opRoundFP->_opr);
   600       do_output(opRoundFP->_result);
   602       break;
   603     }
   606 // LIR_Op2
   607     case lir_cmp:
   608     case lir_cmp_l2i:
   609     case lir_ucmp_fd2i:
   610     case lir_cmp_fd2i:
   611     case lir_add:
   612     case lir_sub:
   613     case lir_mul:
   614     case lir_div:
   615     case lir_rem:
   616     case lir_sqrt:
   617     case lir_abs:
   618     case lir_logic_and:
   619     case lir_logic_or:
   620     case lir_logic_xor:
   621     case lir_shl:
   622     case lir_shr:
   623     case lir_ushr:
   624     {
   625       assert(op->as_Op2() != NULL, "must be");
   626       LIR_Op2* op2 = (LIR_Op2*)op;
   627       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
   628              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
   630       if (op2->_info)                     do_info(op2->_info);
   631       if (op2->_opr1->is_valid())         do_input(op2->_opr1);
   632       if (op2->_opr2->is_valid())         do_input(op2->_opr2);
   633       if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
   634       if (op2->_result->is_valid())       do_output(op2->_result);
   636       break;
   637     }
   639     // special handling for cmove: right input operand must not be equal
   640     // to the result operand, otherwise the backend fails
   641     case lir_cmove:
   642     {
   643       assert(op->as_Op2() != NULL, "must be");
   644       LIR_Op2* op2 = (LIR_Op2*)op;
   646       assert(op2->_info == NULL && op2->_tmp1->is_illegal() && op2->_tmp2->is_illegal() &&
   647              op2->_tmp3->is_illegal() && op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
   648       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid() && op2->_result->is_valid(), "used");
   650       do_input(op2->_opr1);
   651       do_input(op2->_opr2);
   652       do_temp(op2->_opr2);
   653       do_output(op2->_result);
   655       break;
   656     }
   658     // vspecial handling for strict operations: register input operands
   659     // as temp to guarantee that they do not overlap with other
   660     // registers
   661     case lir_mul_strictfp:
   662     case lir_div_strictfp:
   663     {
   664       assert(op->as_Op2() != NULL, "must be");
   665       LIR_Op2* op2 = (LIR_Op2*)op;
   667       assert(op2->_info == NULL, "not used");
   668       assert(op2->_opr1->is_valid(), "used");
   669       assert(op2->_opr2->is_valid(), "used");
   670       assert(op2->_result->is_valid(), "used");
   671       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
   672              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
   674       do_input(op2->_opr1); do_temp(op2->_opr1);
   675       do_input(op2->_opr2); do_temp(op2->_opr2);
   676       if (op2->_tmp1->is_valid()) do_temp(op2->_tmp1);
   677       do_output(op2->_result);
   679       break;
   680     }
   682     case lir_throw: {
   683       assert(op->as_Op2() != NULL, "must be");
   684       LIR_Op2* op2 = (LIR_Op2*)op;
   686       if (op2->_info)                     do_info(op2->_info);
   687       if (op2->_opr1->is_valid())         do_temp(op2->_opr1);
   688       if (op2->_opr2->is_valid())         do_input(op2->_opr2); // exception object is input parameter
   689       assert(op2->_result->is_illegal(), "no result");
   690       assert(op2->_tmp2->is_illegal() && op2->_tmp3->is_illegal() &&
   691              op2->_tmp4->is_illegal() && op2->_tmp5->is_illegal(), "not used");
   693       break;
   694     }
   696     case lir_unwind: {
   697       assert(op->as_Op1() != NULL, "must be");
   698       LIR_Op1* op1 = (LIR_Op1*)op;
   700       assert(op1->_info == NULL, "no info");
   701       assert(op1->_opr->is_valid(), "exception oop");         do_input(op1->_opr);
   702       assert(op1->_result->is_illegal(), "no result");
   704       break;
   705     }
   708     case lir_tan:
   709     case lir_sin:
   710     case lir_cos:
   711     case lir_log:
   712     case lir_log10:
   713     case lir_exp: {
   714       assert(op->as_Op2() != NULL, "must be");
   715       LIR_Op2* op2 = (LIR_Op2*)op;
   717       // On x86 tan/sin/cos need two temporary fpu stack slots and
   718       // log/log10 need one so handle opr2 and tmp as temp inputs.
   719       // Register input operand as temp to guarantee that it doesn't
   720       // overlap with the input.
   721       assert(op2->_info == NULL, "not used");
   722       assert(op2->_tmp5->is_illegal(), "not used");
   723       assert(op2->_tmp2->is_valid() == (op->code() == lir_exp), "not used");
   724       assert(op2->_tmp3->is_valid() == (op->code() == lir_exp), "not used");
   725       assert(op2->_tmp4->is_valid() == (op->code() == lir_exp), "not used");
   726       assert(op2->_opr1->is_valid(), "used");
   727       do_input(op2->_opr1); do_temp(op2->_opr1);
   729       if (op2->_opr2->is_valid())         do_temp(op2->_opr2);
   730       if (op2->_tmp1->is_valid())         do_temp(op2->_tmp1);
   731       if (op2->_tmp2->is_valid())         do_temp(op2->_tmp2);
   732       if (op2->_tmp3->is_valid())         do_temp(op2->_tmp3);
   733       if (op2->_tmp4->is_valid())         do_temp(op2->_tmp4);
   734       if (op2->_result->is_valid())       do_output(op2->_result);
   736       break;
   737     }
   739     case lir_pow: {
   740       assert(op->as_Op2() != NULL, "must be");
   741       LIR_Op2* op2 = (LIR_Op2*)op;
   743       // On x86 pow needs two temporary fpu stack slots: tmp1 and
   744       // tmp2. Register input operands as temps to guarantee that it
   745       // doesn't overlap with the temporary slots.
   746       assert(op2->_info == NULL, "not used");
   747       assert(op2->_opr1->is_valid() && op2->_opr2->is_valid(), "used");
   748       assert(op2->_tmp1->is_valid() && op2->_tmp2->is_valid() && op2->_tmp3->is_valid()
   749              && op2->_tmp4->is_valid() && op2->_tmp5->is_valid(), "used");
   750       assert(op2->_result->is_valid(), "used");
   752       do_input(op2->_opr1); do_temp(op2->_opr1);
   753       do_input(op2->_opr2); do_temp(op2->_opr2);
   754       do_temp(op2->_tmp1);
   755       do_temp(op2->_tmp2);
   756       do_temp(op2->_tmp3);
   757       do_temp(op2->_tmp4);
   758       do_temp(op2->_tmp5);
   759       do_output(op2->_result);
   761       break;
   762     }
   764 // LIR_Op3
   765     case lir_idiv:
   766     case lir_irem: {
   767       assert(op->as_Op3() != NULL, "must be");
   768       LIR_Op3* op3= (LIR_Op3*)op;
   770       if (op3->_info)                     do_info(op3->_info);
   771       if (op3->_opr1->is_valid())         do_input(op3->_opr1);
   773       // second operand is input and temp, so ensure that second operand
   774       // and third operand get not the same register
   775       if (op3->_opr2->is_valid())         do_input(op3->_opr2);
   776       if (op3->_opr2->is_valid())         do_temp(op3->_opr2);
   777       if (op3->_opr3->is_valid())         do_temp(op3->_opr3);
   779       if (op3->_result->is_valid())       do_output(op3->_result);
   781       break;
   782     }
   785 // LIR_OpJavaCall
   786     case lir_static_call:
   787     case lir_optvirtual_call:
   788     case lir_icvirtual_call:
   789     case lir_virtual_call:
   790     case lir_dynamic_call: {
   791       LIR_OpJavaCall* opJavaCall = op->as_OpJavaCall();
   792       assert(opJavaCall != NULL, "must be");
   794       if (opJavaCall->_receiver->is_valid())     do_input(opJavaCall->_receiver);
   796       // only visit register parameters
   797       int n = opJavaCall->_arguments->length();
   798       for (int i = 0; i < n; i++) {
   799         if (!opJavaCall->_arguments->at(i)->is_pointer()) {
   800           do_input(*opJavaCall->_arguments->adr_at(i));
   801         }
   802       }
   804       if (opJavaCall->_info)                     do_info(opJavaCall->_info);
   805       if (opJavaCall->is_method_handle_invoke()) {
   806         opJavaCall->_method_handle_invoke_SP_save_opr = FrameMap::method_handle_invoke_SP_save_opr();
   807         do_temp(opJavaCall->_method_handle_invoke_SP_save_opr);
   808       }
   809       do_call();
   810       if (opJavaCall->_result->is_valid())       do_output(opJavaCall->_result);
   812       break;
   813     }
   816 // LIR_OpRTCall
   817     case lir_rtcall: {
   818       assert(op->as_OpRTCall() != NULL, "must be");
   819       LIR_OpRTCall* opRTCall = (LIR_OpRTCall*)op;
   821       // only visit register parameters
   822       int n = opRTCall->_arguments->length();
   823       for (int i = 0; i < n; i++) {
   824         if (!opRTCall->_arguments->at(i)->is_pointer()) {
   825           do_input(*opRTCall->_arguments->adr_at(i));
   826         }
   827       }
   828       if (opRTCall->_info)                     do_info(opRTCall->_info);
   829       if (opRTCall->_tmp->is_valid())          do_temp(opRTCall->_tmp);
   830       do_call();
   831       if (opRTCall->_result->is_valid())       do_output(opRTCall->_result);
   833       break;
   834     }
   837 // LIR_OpArrayCopy
   838     case lir_arraycopy: {
   839       assert(op->as_OpArrayCopy() != NULL, "must be");
   840       LIR_OpArrayCopy* opArrayCopy = (LIR_OpArrayCopy*)op;
   842       assert(opArrayCopy->_result->is_illegal(), "unused");
   843       assert(opArrayCopy->_src->is_valid(), "used");          do_input(opArrayCopy->_src);     do_temp(opArrayCopy->_src);
   844       assert(opArrayCopy->_src_pos->is_valid(), "used");      do_input(opArrayCopy->_src_pos); do_temp(opArrayCopy->_src_pos);
   845       assert(opArrayCopy->_dst->is_valid(), "used");          do_input(opArrayCopy->_dst);     do_temp(opArrayCopy->_dst);
   846       assert(opArrayCopy->_dst_pos->is_valid(), "used");      do_input(opArrayCopy->_dst_pos); do_temp(opArrayCopy->_dst_pos);
   847       assert(opArrayCopy->_length->is_valid(), "used");       do_input(opArrayCopy->_length);  do_temp(opArrayCopy->_length);
   848       assert(opArrayCopy->_tmp->is_valid(), "used");          do_temp(opArrayCopy->_tmp);
   849       if (opArrayCopy->_info)                     do_info(opArrayCopy->_info);
   851       // the implementation of arraycopy always has a call into the runtime
   852       do_call();
   854       break;
   855     }
   858 // LIR_OpLock
   859     case lir_lock:
   860     case lir_unlock: {
   861       assert(op->as_OpLock() != NULL, "must be");
   862       LIR_OpLock* opLock = (LIR_OpLock*)op;
   864       if (opLock->_info)                          do_info(opLock->_info);
   866       // TODO: check if these operands really have to be temp
   867       // (or if input is sufficient). This may have influence on the oop map!
   868       assert(opLock->_lock->is_valid(), "used");  do_temp(opLock->_lock);
   869       assert(opLock->_hdr->is_valid(),  "used");  do_temp(opLock->_hdr);
   870       assert(opLock->_obj->is_valid(),  "used");  do_temp(opLock->_obj);
   872       if (opLock->_scratch->is_valid())           do_temp(opLock->_scratch);
   873       assert(opLock->_result->is_illegal(), "unused");
   875       do_stub(opLock->_stub);
   877       break;
   878     }
   881 // LIR_OpDelay
   882     case lir_delay_slot: {
   883       assert(op->as_OpDelay() != NULL, "must be");
   884       LIR_OpDelay* opDelay = (LIR_OpDelay*)op;
   886       visit(opDelay->delay_op());
   887       break;
   888     }
   890 // LIR_OpTypeCheck
   891     case lir_instanceof:
   892     case lir_checkcast:
   893     case lir_store_check: {
   894       assert(op->as_OpTypeCheck() != NULL, "must be");
   895       LIR_OpTypeCheck* opTypeCheck = (LIR_OpTypeCheck*)op;
   897       if (opTypeCheck->_info_for_exception)       do_info(opTypeCheck->_info_for_exception);
   898       if (opTypeCheck->_info_for_patch)           do_info(opTypeCheck->_info_for_patch);
   899       if (opTypeCheck->_object->is_valid())       do_input(opTypeCheck->_object);
   900       if (op->code() == lir_store_check && opTypeCheck->_object->is_valid()) {
   901         do_temp(opTypeCheck->_object);
   902       }
   903       if (opTypeCheck->_array->is_valid())        do_input(opTypeCheck->_array);
   904       if (opTypeCheck->_tmp1->is_valid())         do_temp(opTypeCheck->_tmp1);
   905       if (opTypeCheck->_tmp2->is_valid())         do_temp(opTypeCheck->_tmp2);
   906       if (opTypeCheck->_tmp3->is_valid())         do_temp(opTypeCheck->_tmp3);
   907       if (opTypeCheck->_result->is_valid())       do_output(opTypeCheck->_result);
   908                                                   do_stub(opTypeCheck->_stub);
   909       break;
   910     }
   912 // LIR_OpCompareAndSwap
   913     case lir_cas_long:
   914     case lir_cas_obj:
   915     case lir_cas_int: {
   916       assert(op->as_OpCompareAndSwap() != NULL, "must be");
   917       LIR_OpCompareAndSwap* opCompareAndSwap = (LIR_OpCompareAndSwap*)op;
   919       assert(opCompareAndSwap->_addr->is_valid(),      "used");
   920       assert(opCompareAndSwap->_cmp_value->is_valid(), "used");
   921       assert(opCompareAndSwap->_new_value->is_valid(), "used");
   922       if (opCompareAndSwap->_info)                    do_info(opCompareAndSwap->_info);
   923                                                       do_input(opCompareAndSwap->_addr);
   924                                                       do_temp(opCompareAndSwap->_addr);
   925                                                       do_input(opCompareAndSwap->_cmp_value);
   926                                                       do_temp(opCompareAndSwap->_cmp_value);
   927                                                       do_input(opCompareAndSwap->_new_value);
   928                                                       do_temp(opCompareAndSwap->_new_value);
   929       if (opCompareAndSwap->_tmp1->is_valid())        do_temp(opCompareAndSwap->_tmp1);
   930       if (opCompareAndSwap->_tmp2->is_valid())        do_temp(opCompareAndSwap->_tmp2);
   931       if (opCompareAndSwap->_result->is_valid())      do_output(opCompareAndSwap->_result);
   933       break;
   934     }
   937 // LIR_OpAllocArray;
   938     case lir_alloc_array: {
   939       assert(op->as_OpAllocArray() != NULL, "must be");
   940       LIR_OpAllocArray* opAllocArray = (LIR_OpAllocArray*)op;
   942       if (opAllocArray->_info)                        do_info(opAllocArray->_info);
   943       if (opAllocArray->_klass->is_valid())           do_input(opAllocArray->_klass); do_temp(opAllocArray->_klass);
   944       if (opAllocArray->_len->is_valid())             do_input(opAllocArray->_len);   do_temp(opAllocArray->_len);
   945       if (opAllocArray->_tmp1->is_valid())            do_temp(opAllocArray->_tmp1);
   946       if (opAllocArray->_tmp2->is_valid())            do_temp(opAllocArray->_tmp2);
   947       if (opAllocArray->_tmp3->is_valid())            do_temp(opAllocArray->_tmp3);
   948       if (opAllocArray->_tmp4->is_valid())            do_temp(opAllocArray->_tmp4);
   949       if (opAllocArray->_result->is_valid())          do_output(opAllocArray->_result);
   950                                                       do_stub(opAllocArray->_stub);
   951       break;
   952     }
   954 // LIR_OpProfileCall:
   955     case lir_profile_call: {
   956       assert(op->as_OpProfileCall() != NULL, "must be");
   957       LIR_OpProfileCall* opProfileCall = (LIR_OpProfileCall*)op;
   959       if (opProfileCall->_recv->is_valid())              do_temp(opProfileCall->_recv);
   960       assert(opProfileCall->_mdo->is_valid(), "used");   do_temp(opProfileCall->_mdo);
   961       assert(opProfileCall->_tmp1->is_valid(), "used");  do_temp(opProfileCall->_tmp1);
   962       break;
   963     }
   964   default:
   965     ShouldNotReachHere();
   966   }
   967 }
   970 void LIR_OpVisitState::do_stub(CodeStub* stub) {
   971   if (stub != NULL) {
   972     stub->visit(this);
   973   }
   974 }
   976 XHandlers* LIR_OpVisitState::all_xhandler() {
   977   XHandlers* result = NULL;
   979   int i;
   980   for (i = 0; i < info_count(); i++) {
   981     if (info_at(i)->exception_handlers() != NULL) {
   982       result = info_at(i)->exception_handlers();
   983       break;
   984     }
   985   }
   987 #ifdef ASSERT
   988   for (i = 0; i < info_count(); i++) {
   989     assert(info_at(i)->exception_handlers() == NULL ||
   990            info_at(i)->exception_handlers() == result,
   991            "only one xhandler list allowed per LIR-operation");
   992   }
   993 #endif
   995   if (result != NULL) {
   996     return result;
   997   } else {
   998     return new XHandlers();
   999   }
  1001   return result;
  1005 #ifdef ASSERT
  1006 bool LIR_OpVisitState::no_operands(LIR_Op* op) {
  1007   visit(op);
  1009   return opr_count(inputMode) == 0 &&
  1010          opr_count(outputMode) == 0 &&
  1011          opr_count(tempMode) == 0 &&
  1012          info_count() == 0 &&
  1013          !has_call() &&
  1014          !has_slow_case();
  1016 #endif
  1018 //---------------------------------------------------
  1021 void LIR_OpJavaCall::emit_code(LIR_Assembler* masm) {
  1022   masm->emit_call(this);
  1025 void LIR_OpRTCall::emit_code(LIR_Assembler* masm) {
  1026   masm->emit_rtcall(this);
  1029 void LIR_OpLabel::emit_code(LIR_Assembler* masm) {
  1030   masm->emit_opLabel(this);
  1033 void LIR_OpArrayCopy::emit_code(LIR_Assembler* masm) {
  1034   masm->emit_arraycopy(this);
  1035   masm->emit_code_stub(stub());
  1038 void LIR_Op0::emit_code(LIR_Assembler* masm) {
  1039   masm->emit_op0(this);
  1042 void LIR_Op1::emit_code(LIR_Assembler* masm) {
  1043   masm->emit_op1(this);
  1046 void LIR_OpAllocObj::emit_code(LIR_Assembler* masm) {
  1047   masm->emit_alloc_obj(this);
  1048   masm->emit_code_stub(stub());
  1051 void LIR_OpBranch::emit_code(LIR_Assembler* masm) {
  1052   masm->emit_opBranch(this);
  1053   if (stub()) {
  1054     masm->emit_code_stub(stub());
  1058 void LIR_OpConvert::emit_code(LIR_Assembler* masm) {
  1059   masm->emit_opConvert(this);
  1060   if (stub() != NULL) {
  1061     masm->emit_code_stub(stub());
  1065 void LIR_Op2::emit_code(LIR_Assembler* masm) {
  1066   masm->emit_op2(this);
  1069 void LIR_OpAllocArray::emit_code(LIR_Assembler* masm) {
  1070   masm->emit_alloc_array(this);
  1071   masm->emit_code_stub(stub());
  1074 void LIR_OpTypeCheck::emit_code(LIR_Assembler* masm) {
  1075   masm->emit_opTypeCheck(this);
  1076   if (stub()) {
  1077     masm->emit_code_stub(stub());
  1081 void LIR_OpCompareAndSwap::emit_code(LIR_Assembler* masm) {
  1082   masm->emit_compare_and_swap(this);
  1085 void LIR_Op3::emit_code(LIR_Assembler* masm) {
  1086   masm->emit_op3(this);
  1089 void LIR_OpLock::emit_code(LIR_Assembler* masm) {
  1090   masm->emit_lock(this);
  1091   if (stub()) {
  1092     masm->emit_code_stub(stub());
  1097 void LIR_OpDelay::emit_code(LIR_Assembler* masm) {
  1098   masm->emit_delay(this);
  1101 void LIR_OpProfileCall::emit_code(LIR_Assembler* masm) {
  1102   masm->emit_profile_call(this);
  1105 // LIR_List
  1106 LIR_List::LIR_List(Compilation* compilation, BlockBegin* block)
  1107   : _operations(8)
  1108   , _compilation(compilation)
  1109 #ifndef PRODUCT
  1110   , _block(block)
  1111 #endif
  1112 #ifdef ASSERT
  1113   , _file(NULL)
  1114   , _line(0)
  1115 #endif
  1116 { }
  1119 #ifdef ASSERT
  1120 void LIR_List::set_file_and_line(const char * file, int line) {
  1121   const char * f = strrchr(file, '/');
  1122   if (f == NULL) f = strrchr(file, '\\');
  1123   if (f == NULL) {
  1124     f = file;
  1125   } else {
  1126     f++;
  1128   _file = f;
  1129   _line = line;
  1131 #endif
  1134 void LIR_List::append(LIR_InsertionBuffer* buffer) {
  1135   assert(this == buffer->lir_list(), "wrong lir list");
  1136   const int n = _operations.length();
  1138   if (buffer->number_of_ops() > 0) {
  1139     // increase size of instructions list
  1140     _operations.at_grow(n + buffer->number_of_ops() - 1, NULL);
  1141     // insert ops from buffer into instructions list
  1142     int op_index = buffer->number_of_ops() - 1;
  1143     int ip_index = buffer->number_of_insertion_points() - 1;
  1144     int from_index = n - 1;
  1145     int to_index = _operations.length() - 1;
  1146     for (; ip_index >= 0; ip_index --) {
  1147       int index = buffer->index_at(ip_index);
  1148       // make room after insertion point
  1149       while (index < from_index) {
  1150         _operations.at_put(to_index --, _operations.at(from_index --));
  1152       // insert ops from buffer
  1153       for (int i = buffer->count_at(ip_index); i > 0; i --) {
  1154         _operations.at_put(to_index --, buffer->op_at(op_index --));
  1159   buffer->finish();
  1163 void LIR_List::oop2reg_patch(jobject o, LIR_Opr reg, CodeEmitInfo* info) {
  1164   append(new LIR_Op1(lir_move, LIR_OprFact::oopConst(o),  reg, T_OBJECT, lir_patch_normal, info));
  1168 void LIR_List::load(LIR_Address* addr, LIR_Opr src, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1169   append(new LIR_Op1(
  1170             lir_move,
  1171             LIR_OprFact::address(addr),
  1172             src,
  1173             addr->type(),
  1174             patch_code,
  1175             info));
  1179 void LIR_List::volatile_load_mem_reg(LIR_Address* address, LIR_Opr dst, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1180   append(new LIR_Op1(
  1181             lir_move,
  1182             LIR_OprFact::address(address),
  1183             dst,
  1184             address->type(),
  1185             patch_code,
  1186             info, lir_move_volatile));
  1189 void LIR_List::volatile_load_unsafe_reg(LIR_Opr base, LIR_Opr offset, LIR_Opr dst, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1190   append(new LIR_Op1(
  1191             lir_move,
  1192             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1193             dst,
  1194             type,
  1195             patch_code,
  1196             info, lir_move_volatile));
  1200 void LIR_List::prefetch(LIR_Address* addr, bool is_store) {
  1201   append(new LIR_Op1(
  1202             is_store ? lir_prefetchw : lir_prefetchr,
  1203             LIR_OprFact::address(addr)));
  1207 void LIR_List::store_mem_int(jint v, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1208   append(new LIR_Op1(
  1209             lir_move,
  1210             LIR_OprFact::intConst(v),
  1211             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1212             type,
  1213             patch_code,
  1214             info));
  1218 void LIR_List::store_mem_oop(jobject o, LIR_Opr base, int offset_in_bytes, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1219   append(new LIR_Op1(
  1220             lir_move,
  1221             LIR_OprFact::oopConst(o),
  1222             LIR_OprFact::address(new LIR_Address(base, offset_in_bytes, type)),
  1223             type,
  1224             patch_code,
  1225             info));
  1229 void LIR_List::store(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1230   append(new LIR_Op1(
  1231             lir_move,
  1232             src,
  1233             LIR_OprFact::address(addr),
  1234             addr->type(),
  1235             patch_code,
  1236             info));
  1240 void LIR_List::volatile_store_mem_reg(LIR_Opr src, LIR_Address* addr, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1241   append(new LIR_Op1(
  1242             lir_move,
  1243             src,
  1244             LIR_OprFact::address(addr),
  1245             addr->type(),
  1246             patch_code,
  1247             info,
  1248             lir_move_volatile));
  1251 void LIR_List::volatile_store_unsafe_reg(LIR_Opr src, LIR_Opr base, LIR_Opr offset, BasicType type, CodeEmitInfo* info, LIR_PatchCode patch_code) {
  1252   append(new LIR_Op1(
  1253             lir_move,
  1254             src,
  1255             LIR_OprFact::address(new LIR_Address(base, offset, type)),
  1256             type,
  1257             patch_code,
  1258             info, lir_move_volatile));
  1262 void LIR_List::idiv(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1263   append(new LIR_Op3(
  1264                     lir_idiv,
  1265                     left,
  1266                     right,
  1267                     tmp,
  1268                     res,
  1269                     info));
  1273 void LIR_List::idiv(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1274   append(new LIR_Op3(
  1275                     lir_idiv,
  1276                     left,
  1277                     LIR_OprFact::intConst(right),
  1278                     tmp,
  1279                     res,
  1280                     info));
  1284 void LIR_List::irem(LIR_Opr left, LIR_Opr right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1285   append(new LIR_Op3(
  1286                     lir_irem,
  1287                     left,
  1288                     right,
  1289                     tmp,
  1290                     res,
  1291                     info));
  1295 void LIR_List::irem(LIR_Opr left, int right, LIR_Opr res, LIR_Opr tmp, CodeEmitInfo* info) {
  1296   append(new LIR_Op3(
  1297                     lir_irem,
  1298                     left,
  1299                     LIR_OprFact::intConst(right),
  1300                     tmp,
  1301                     res,
  1302                     info));
  1306 void LIR_List::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
  1307   append(new LIR_Op2(
  1308                     lir_cmp,
  1309                     condition,
  1310                     LIR_OprFact::address(new LIR_Address(base, disp, T_INT)),
  1311                     LIR_OprFact::intConst(c),
  1312                     info));
  1316 void LIR_List::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Address* addr, CodeEmitInfo* info) {
  1317   append(new LIR_Op2(
  1318                     lir_cmp,
  1319                     condition,
  1320                     reg,
  1321                     LIR_OprFact::address(addr),
  1322                     info));
  1325 void LIR_List::allocate_object(LIR_Opr dst, LIR_Opr t1, LIR_Opr t2, LIR_Opr t3, LIR_Opr t4,
  1326                                int header_size, int object_size, LIR_Opr klass, bool init_check, CodeStub* stub) {
  1327   append(new LIR_OpAllocObj(
  1328                            klass,
  1329                            dst,
  1330                            t1,
  1331                            t2,
  1332                            t3,
  1333                            t4,
  1334                            header_size,
  1335                            object_size,
  1336                            init_check,
  1337                            stub));
  1340 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) {
  1341   append(new LIR_OpAllocArray(
  1342                            klass,
  1343                            len,
  1344                            dst,
  1345                            t1,
  1346                            t2,
  1347                            t3,
  1348                            t4,
  1349                            type,
  1350                            stub));
  1353 void LIR_List::shift_left(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1354  append(new LIR_Op2(
  1355                     lir_shl,
  1356                     value,
  1357                     count,
  1358                     dst,
  1359                     tmp));
  1362 void LIR_List::shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1363  append(new LIR_Op2(
  1364                     lir_shr,
  1365                     value,
  1366                     count,
  1367                     dst,
  1368                     tmp));
  1372 void LIR_List::unsigned_shift_right(LIR_Opr value, LIR_Opr count, LIR_Opr dst, LIR_Opr tmp) {
  1373  append(new LIR_Op2(
  1374                     lir_ushr,
  1375                     value,
  1376                     count,
  1377                     dst,
  1378                     tmp));
  1381 void LIR_List::fcmp2int(LIR_Opr left, LIR_Opr right, LIR_Opr dst, bool is_unordered_less) {
  1382   append(new LIR_Op2(is_unordered_less ? lir_ucmp_fd2i : lir_cmp_fd2i,
  1383                      left,
  1384                      right,
  1385                      dst));
  1388 void LIR_List::lock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub, CodeEmitInfo* info) {
  1389   append(new LIR_OpLock(
  1390                     lir_lock,
  1391                     hdr,
  1392                     obj,
  1393                     lock,
  1394                     scratch,
  1395                     stub,
  1396                     info));
  1399 void LIR_List::unlock_object(LIR_Opr hdr, LIR_Opr obj, LIR_Opr lock, LIR_Opr scratch, CodeStub* stub) {
  1400   append(new LIR_OpLock(
  1401                     lir_unlock,
  1402                     hdr,
  1403                     obj,
  1404                     lock,
  1405                     scratch,
  1406                     stub,
  1407                     NULL));
  1411 void check_LIR() {
  1412   // cannot do the proper checking as PRODUCT and other modes return different results
  1413   // guarantee(sizeof(LIR_OprDesc) == wordSize, "may not have a v-table");
  1418 void LIR_List::checkcast (LIR_Opr result, LIR_Opr object, ciKlass* klass,
  1419                           LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3, bool fast_check,
  1420                           CodeEmitInfo* info_for_exception, CodeEmitInfo* info_for_patch, CodeStub* stub,
  1421                           ciMethod* profiled_method, int profiled_bci) {
  1422   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_checkcast, result, object, klass,
  1423                                            tmp1, tmp2, tmp3, fast_check, info_for_exception, info_for_patch, stub);
  1424   if (profiled_method != NULL) {
  1425     c->set_profiled_method(profiled_method);
  1426     c->set_profiled_bci(profiled_bci);
  1427     c->set_should_profile(true);
  1429   append(c);
  1432 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) {
  1433   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_instanceof, result, object, klass, tmp1, tmp2, tmp3, fast_check, NULL, info_for_patch, NULL);
  1434   if (profiled_method != NULL) {
  1435     c->set_profiled_method(profiled_method);
  1436     c->set_profiled_bci(profiled_bci);
  1437     c->set_should_profile(true);
  1439   append(c);
  1443 void LIR_List::store_check(LIR_Opr object, LIR_Opr array, LIR_Opr tmp1, LIR_Opr tmp2, LIR_Opr tmp3,
  1444                            CodeEmitInfo* info_for_exception, ciMethod* profiled_method, int profiled_bci) {
  1445   LIR_OpTypeCheck* c = new LIR_OpTypeCheck(lir_store_check, object, array, tmp1, tmp2, tmp3, info_for_exception);
  1446   if (profiled_method != NULL) {
  1447     c->set_profiled_method(profiled_method);
  1448     c->set_profiled_bci(profiled_bci);
  1449     c->set_should_profile(true);
  1451   append(c);
  1455 void LIR_List::cas_long(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1456                         LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1457   append(new LIR_OpCompareAndSwap(lir_cas_long, addr, cmp_value, new_value, t1, t2, result));
  1460 void LIR_List::cas_obj(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1461                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1462   append(new LIR_OpCompareAndSwap(lir_cas_obj, addr, cmp_value, new_value, t1, t2, result));
  1465 void LIR_List::cas_int(LIR_Opr addr, LIR_Opr cmp_value, LIR_Opr new_value,
  1466                        LIR_Opr t1, LIR_Opr t2, LIR_Opr result) {
  1467   append(new LIR_OpCompareAndSwap(lir_cas_int, addr, cmp_value, new_value, t1, t2, result));
  1471 #ifdef PRODUCT
  1473 void print_LIR(BlockList* blocks) {
  1476 #else
  1477 // LIR_OprDesc
  1478 void LIR_OprDesc::print() const {
  1479   print(tty);
  1482 void LIR_OprDesc::print(outputStream* out) const {
  1483   if (is_illegal()) {
  1484     return;
  1487   out->print("[");
  1488   if (is_pointer()) {
  1489     pointer()->print_value_on(out);
  1490   } else if (is_single_stack()) {
  1491     out->print("stack:%d", single_stack_ix());
  1492   } else if (is_double_stack()) {
  1493     out->print("dbl_stack:%d",double_stack_ix());
  1494   } else if (is_virtual()) {
  1495     out->print("R%d", vreg_number());
  1496   } else if (is_single_cpu()) {
  1497     out->print(as_register()->name());
  1498   } else if (is_double_cpu()) {
  1499     out->print(as_register_hi()->name());
  1500     out->print(as_register_lo()->name());
  1501 #if defined(X86)
  1502   } else if (is_single_xmm()) {
  1503     out->print(as_xmm_float_reg()->name());
  1504   } else if (is_double_xmm()) {
  1505     out->print(as_xmm_double_reg()->name());
  1506   } else if (is_single_fpu()) {
  1507     out->print("fpu%d", fpu_regnr());
  1508   } else if (is_double_fpu()) {
  1509     out->print("fpu%d", fpu_regnrLo());
  1510 #elif defined(ARM)
  1511   } else if (is_single_fpu()) {
  1512     out->print("s%d", fpu_regnr());
  1513   } else if (is_double_fpu()) {
  1514     out->print("d%d", fpu_regnrLo() >> 1);
  1515 #else
  1516   } else if (is_single_fpu()) {
  1517     out->print(as_float_reg()->name());
  1518   } else if (is_double_fpu()) {
  1519     out->print(as_double_reg()->name());
  1520 #endif
  1522   } else if (is_illegal()) {
  1523     out->print("-");
  1524   } else {
  1525     out->print("Unknown Operand");
  1527   if (!is_illegal()) {
  1528     out->print("|%c", type_char());
  1530   if (is_register() && is_last_use()) {
  1531     out->print("(last_use)");
  1533   out->print("]");
  1537 // LIR_Address
  1538 void LIR_Const::print_value_on(outputStream* out) const {
  1539   switch (type()) {
  1540     case T_ADDRESS:out->print("address:%d",as_jint());          break;
  1541     case T_INT:    out->print("int:%d",   as_jint());           break;
  1542     case T_LONG:   out->print("lng:%lld", as_jlong());          break;
  1543     case T_FLOAT:  out->print("flt:%f",   as_jfloat());         break;
  1544     case T_DOUBLE: out->print("dbl:%f",   as_jdouble());        break;
  1545     case T_OBJECT: out->print("obj:0x%x", as_jobject());        break;
  1546     default:       out->print("%3d:0x%x",type(), as_jdouble()); break;
  1550 // LIR_Address
  1551 void LIR_Address::print_value_on(outputStream* out) const {
  1552   out->print("Base:"); _base->print(out);
  1553   if (!_index->is_illegal()) {
  1554     out->print(" Index:"); _index->print(out);
  1555     switch (scale()) {
  1556     case times_1: break;
  1557     case times_2: out->print(" * 2"); break;
  1558     case times_4: out->print(" * 4"); break;
  1559     case times_8: out->print(" * 8"); break;
  1562   out->print(" Disp: %d", _disp);
  1565 // debug output of block header without InstructionPrinter
  1566 //       (because phi functions are not necessary for LIR)
  1567 static void print_block(BlockBegin* x) {
  1568   // print block id
  1569   BlockEnd* end = x->end();
  1570   tty->print("B%d ", x->block_id());
  1572   // print flags
  1573   if (x->is_set(BlockBegin::std_entry_flag))               tty->print("std ");
  1574   if (x->is_set(BlockBegin::osr_entry_flag))               tty->print("osr ");
  1575   if (x->is_set(BlockBegin::exception_entry_flag))         tty->print("ex ");
  1576   if (x->is_set(BlockBegin::subroutine_entry_flag))        tty->print("jsr ");
  1577   if (x->is_set(BlockBegin::backward_branch_target_flag))  tty->print("bb ");
  1578   if (x->is_set(BlockBegin::linear_scan_loop_header_flag)) tty->print("lh ");
  1579   if (x->is_set(BlockBegin::linear_scan_loop_end_flag))    tty->print("le ");
  1581   // print block bci range
  1582   tty->print("[%d, %d] ", x->bci(), (end == NULL ? -1 : end->printable_bci()));
  1584   // print predecessors and successors
  1585   if (x->number_of_preds() > 0) {
  1586     tty->print("preds: ");
  1587     for (int i = 0; i < x->number_of_preds(); i ++) {
  1588       tty->print("B%d ", x->pred_at(i)->block_id());
  1592   if (x->number_of_sux() > 0) {
  1593     tty->print("sux: ");
  1594     for (int i = 0; i < x->number_of_sux(); i ++) {
  1595       tty->print("B%d ", x->sux_at(i)->block_id());
  1599   // print exception handlers
  1600   if (x->number_of_exception_handlers() > 0) {
  1601     tty->print("xhandler: ");
  1602     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
  1603       tty->print("B%d ", x->exception_handler_at(i)->block_id());
  1607   tty->cr();
  1610 void print_LIR(BlockList* blocks) {
  1611   tty->print_cr("LIR:");
  1612   int i;
  1613   for (i = 0; i < blocks->length(); i++) {
  1614     BlockBegin* bb = blocks->at(i);
  1615     print_block(bb);
  1616     tty->print("__id_Instruction___________________________________________"); tty->cr();
  1617     bb->lir()->print_instructions();
  1621 void LIR_List::print_instructions() {
  1622   for (int i = 0; i < _operations.length(); i++) {
  1623     _operations.at(i)->print(); tty->cr();
  1625   tty->cr();
  1628 // LIR_Ops printing routines
  1629 // LIR_Op
  1630 void LIR_Op::print_on(outputStream* out) const {
  1631   if (id() != -1 || PrintCFGToFile) {
  1632     out->print("%4d ", id());
  1633   } else {
  1634     out->print("     ");
  1636   out->print(name()); out->print(" ");
  1637   print_instr(out);
  1638   if (info() != NULL) out->print(" [bci:%d]", info()->stack()->bci());
  1639 #ifdef ASSERT
  1640   if (Verbose && _file != NULL) {
  1641     out->print(" (%s:%d)", _file, _line);
  1643 #endif
  1646 const char * LIR_Op::name() const {
  1647   const char* s = NULL;
  1648   switch(code()) {
  1649      // LIR_Op0
  1650      case lir_membar:                s = "membar";        break;
  1651      case lir_membar_acquire:        s = "membar_acquire"; break;
  1652      case lir_membar_release:        s = "membar_release"; break;
  1653      case lir_membar_loadload:       s = "membar_loadload";   break;
  1654      case lir_membar_storestore:     s = "membar_storestore"; break;
  1655      case lir_membar_loadstore:      s = "membar_loadstore";  break;
  1656      case lir_membar_storeload:      s = "membar_storeload";  break;
  1657      case lir_word_align:            s = "word_align";    break;
  1658      case lir_label:                 s = "label";         break;
  1659      case lir_nop:                   s = "nop";           break;
  1660      case lir_backwardbranch_target: s = "backbranch";    break;
  1661      case lir_std_entry:             s = "std_entry";     break;
  1662      case lir_osr_entry:             s = "osr_entry";     break;
  1663      case lir_build_frame:           s = "build_frm";     break;
  1664      case lir_fpop_raw:              s = "fpop_raw";      break;
  1665      case lir_24bit_FPU:             s = "24bit_FPU";     break;
  1666      case lir_reset_FPU:             s = "reset_FPU";     break;
  1667      case lir_breakpoint:            s = "breakpoint";    break;
  1668      case lir_get_thread:            s = "get_thread";    break;
  1669      // LIR_Op1
  1670      case lir_fxch:                  s = "fxch";          break;
  1671      case lir_fld:                   s = "fld";           break;
  1672      case lir_ffree:                 s = "ffree";         break;
  1673      case lir_push:                  s = "push";          break;
  1674      case lir_pop:                   s = "pop";           break;
  1675      case lir_null_check:            s = "null_check";    break;
  1676      case lir_return:                s = "return";        break;
  1677      case lir_safepoint:             s = "safepoint";     break;
  1678      case lir_neg:                   s = "neg";           break;
  1679      case lir_leal:                  s = "leal";          break;
  1680      case lir_branch:                s = "branch";        break;
  1681      case lir_cond_float_branch:     s = "flt_cond_br";   break;
  1682      case lir_move:                  s = "move";          break;
  1683      case lir_roundfp:               s = "roundfp";       break;
  1684      case lir_rtcall:                s = "rtcall";        break;
  1685      case lir_throw:                 s = "throw";         break;
  1686      case lir_unwind:                s = "unwind";        break;
  1687      case lir_convert:               s = "convert";       break;
  1688      case lir_alloc_object:          s = "alloc_obj";     break;
  1689      case lir_monaddr:               s = "mon_addr";      break;
  1690      case lir_pack64:                s = "pack64";        break;
  1691      case lir_unpack64:              s = "unpack64";      break;
  1692      // LIR_Op2
  1693      case lir_cmp:                   s = "cmp";           break;
  1694      case lir_cmp_l2i:               s = "cmp_l2i";       break;
  1695      case lir_ucmp_fd2i:             s = "ucomp_fd2i";    break;
  1696      case lir_cmp_fd2i:              s = "comp_fd2i";     break;
  1697      case lir_cmove:                 s = "cmove";         break;
  1698      case lir_add:                   s = "add";           break;
  1699      case lir_sub:                   s = "sub";           break;
  1700      case lir_mul:                   s = "mul";           break;
  1701      case lir_mul_strictfp:          s = "mul_strictfp";  break;
  1702      case lir_div:                   s = "div";           break;
  1703      case lir_div_strictfp:          s = "div_strictfp";  break;
  1704      case lir_rem:                   s = "rem";           break;
  1705      case lir_abs:                   s = "abs";           break;
  1706      case lir_sqrt:                  s = "sqrt";          break;
  1707      case lir_sin:                   s = "sin";           break;
  1708      case lir_cos:                   s = "cos";           break;
  1709      case lir_tan:                   s = "tan";           break;
  1710      case lir_log:                   s = "log";           break;
  1711      case lir_log10:                 s = "log10";         break;
  1712      case lir_exp:                   s = "exp";           break;
  1713      case lir_pow:                   s = "pow";           break;
  1714      case lir_logic_and:             s = "logic_and";     break;
  1715      case lir_logic_or:              s = "logic_or";      break;
  1716      case lir_logic_xor:             s = "logic_xor";     break;
  1717      case lir_shl:                   s = "shift_left";    break;
  1718      case lir_shr:                   s = "shift_right";   break;
  1719      case lir_ushr:                  s = "ushift_right";  break;
  1720      case lir_alloc_array:           s = "alloc_array";   break;
  1721      // LIR_Op3
  1722      case lir_idiv:                  s = "idiv";          break;
  1723      case lir_irem:                  s = "irem";          break;
  1724      // LIR_OpJavaCall
  1725      case lir_static_call:           s = "static";        break;
  1726      case lir_optvirtual_call:       s = "optvirtual";    break;
  1727      case lir_icvirtual_call:        s = "icvirtual";     break;
  1728      case lir_virtual_call:          s = "virtual";       break;
  1729      case lir_dynamic_call:          s = "dynamic";       break;
  1730      // LIR_OpArrayCopy
  1731      case lir_arraycopy:             s = "arraycopy";     break;
  1732      // LIR_OpLock
  1733      case lir_lock:                  s = "lock";          break;
  1734      case lir_unlock:                s = "unlock";        break;
  1735      // LIR_OpDelay
  1736      case lir_delay_slot:            s = "delay";         break;
  1737      // LIR_OpTypeCheck
  1738      case lir_instanceof:            s = "instanceof";    break;
  1739      case lir_checkcast:             s = "checkcast";     break;
  1740      case lir_store_check:           s = "store_check";   break;
  1741      // LIR_OpCompareAndSwap
  1742      case lir_cas_long:              s = "cas_long";      break;
  1743      case lir_cas_obj:               s = "cas_obj";      break;
  1744      case lir_cas_int:               s = "cas_int";      break;
  1745      // LIR_OpProfileCall
  1746      case lir_profile_call:          s = "profile_call";  break;
  1747      case lir_none:                  ShouldNotReachHere();break;
  1748     default:                         s = "illegal_op";    break;
  1750   return s;
  1753 // LIR_OpJavaCall
  1754 void LIR_OpJavaCall::print_instr(outputStream* out) const {
  1755   out->print("call: ");
  1756   out->print("[addr: 0x%x]", address());
  1757   if (receiver()->is_valid()) {
  1758     out->print(" [recv: ");   receiver()->print(out);   out->print("]");
  1760   if (result_opr()->is_valid()) {
  1761     out->print(" [result: "); result_opr()->print(out); out->print("]");
  1765 // LIR_OpLabel
  1766 void LIR_OpLabel::print_instr(outputStream* out) const {
  1767   out->print("[label:0x%x]", _label);
  1770 // LIR_OpArrayCopy
  1771 void LIR_OpArrayCopy::print_instr(outputStream* out) const {
  1772   src()->print(out);     out->print(" ");
  1773   src_pos()->print(out); out->print(" ");
  1774   dst()->print(out);     out->print(" ");
  1775   dst_pos()->print(out); out->print(" ");
  1776   length()->print(out);  out->print(" ");
  1777   tmp()->print(out);     out->print(" ");
  1780 // LIR_OpCompareAndSwap
  1781 void LIR_OpCompareAndSwap::print_instr(outputStream* out) const {
  1782   addr()->print(out);      out->print(" ");
  1783   cmp_value()->print(out); out->print(" ");
  1784   new_value()->print(out); out->print(" ");
  1785   tmp1()->print(out);      out->print(" ");
  1786   tmp2()->print(out);      out->print(" ");
  1790 // LIR_Op0
  1791 void LIR_Op0::print_instr(outputStream* out) const {
  1792   result_opr()->print(out);
  1795 // LIR_Op1
  1796 const char * LIR_Op1::name() const {
  1797   if (code() == lir_move) {
  1798     switch (move_kind()) {
  1799     case lir_move_normal:
  1800       return "move";
  1801     case lir_move_unaligned:
  1802       return "unaligned move";
  1803     case lir_move_volatile:
  1804       return "volatile_move";
  1805     case lir_move_wide:
  1806       return "wide_move";
  1807     default:
  1808       ShouldNotReachHere();
  1809     return "illegal_op";
  1811   } else {
  1812     return LIR_Op::name();
  1817 void LIR_Op1::print_instr(outputStream* out) const {
  1818   _opr->print(out);         out->print(" ");
  1819   result_opr()->print(out); out->print(" ");
  1820   print_patch_code(out, patch_code());
  1824 // LIR_Op1
  1825 void LIR_OpRTCall::print_instr(outputStream* out) const {
  1826   intx a = (intx)addr();
  1827   out->print(Runtime1::name_for_address(addr()));
  1828   out->print(" ");
  1829   tmp()->print(out);
  1832 void LIR_Op1::print_patch_code(outputStream* out, LIR_PatchCode code) {
  1833   switch(code) {
  1834     case lir_patch_none:                                 break;
  1835     case lir_patch_low:    out->print("[patch_low]");    break;
  1836     case lir_patch_high:   out->print("[patch_high]");   break;
  1837     case lir_patch_normal: out->print("[patch_normal]"); break;
  1838     default: ShouldNotReachHere();
  1842 // LIR_OpBranch
  1843 void LIR_OpBranch::print_instr(outputStream* out) const {
  1844   print_condition(out, cond());             out->print(" ");
  1845   if (block() != NULL) {
  1846     out->print("[B%d] ", block()->block_id());
  1847   } else if (stub() != NULL) {
  1848     out->print("[");
  1849     stub()->print_name(out);
  1850     out->print(": 0x%x]", stub());
  1851     if (stub()->info() != NULL) out->print(" [bci:%d]", stub()->info()->stack()->bci());
  1852   } else {
  1853     out->print("[label:0x%x] ", label());
  1855   if (ublock() != NULL) {
  1856     out->print("unordered: [B%d] ", ublock()->block_id());
  1860 void LIR_Op::print_condition(outputStream* out, LIR_Condition cond) {
  1861   switch(cond) {
  1862     case lir_cond_equal:           out->print("[EQ]");      break;
  1863     case lir_cond_notEqual:        out->print("[NE]");      break;
  1864     case lir_cond_less:            out->print("[LT]");      break;
  1865     case lir_cond_lessEqual:       out->print("[LE]");      break;
  1866     case lir_cond_greaterEqual:    out->print("[GE]");      break;
  1867     case lir_cond_greater:         out->print("[GT]");      break;
  1868     case lir_cond_belowEqual:      out->print("[BE]");      break;
  1869     case lir_cond_aboveEqual:      out->print("[AE]");      break;
  1870     case lir_cond_always:          out->print("[AL]");      break;
  1871     default:                       out->print("[%d]",cond); break;
  1875 // LIR_OpConvert
  1876 void LIR_OpConvert::print_instr(outputStream* out) const {
  1877   print_bytecode(out, bytecode());
  1878   in_opr()->print(out);                  out->print(" ");
  1879   result_opr()->print(out);              out->print(" ");
  1880 #ifdef PPC
  1881   if(tmp1()->is_valid()) {
  1882     tmp1()->print(out); out->print(" ");
  1883     tmp2()->print(out); out->print(" ");
  1885 #endif
  1888 void LIR_OpConvert::print_bytecode(outputStream* out, Bytecodes::Code code) {
  1889   switch(code) {
  1890     case Bytecodes::_d2f: out->print("[d2f] "); break;
  1891     case Bytecodes::_d2i: out->print("[d2i] "); break;
  1892     case Bytecodes::_d2l: out->print("[d2l] "); break;
  1893     case Bytecodes::_f2d: out->print("[f2d] "); break;
  1894     case Bytecodes::_f2i: out->print("[f2i] "); break;
  1895     case Bytecodes::_f2l: out->print("[f2l] "); break;
  1896     case Bytecodes::_i2b: out->print("[i2b] "); break;
  1897     case Bytecodes::_i2c: out->print("[i2c] "); break;
  1898     case Bytecodes::_i2d: out->print("[i2d] "); break;
  1899     case Bytecodes::_i2f: out->print("[i2f] "); break;
  1900     case Bytecodes::_i2l: out->print("[i2l] "); break;
  1901     case Bytecodes::_i2s: out->print("[i2s] "); break;
  1902     case Bytecodes::_l2i: out->print("[l2i] "); break;
  1903     case Bytecodes::_l2f: out->print("[l2f] "); break;
  1904     case Bytecodes::_l2d: out->print("[l2d] "); break;
  1905     default:
  1906       out->print("[?%d]",code);
  1907     break;
  1911 void LIR_OpAllocObj::print_instr(outputStream* out) const {
  1912   klass()->print(out);                      out->print(" ");
  1913   obj()->print(out);                        out->print(" ");
  1914   tmp1()->print(out);                       out->print(" ");
  1915   tmp2()->print(out);                       out->print(" ");
  1916   tmp3()->print(out);                       out->print(" ");
  1917   tmp4()->print(out);                       out->print(" ");
  1918   out->print("[hdr:%d]", header_size()); out->print(" ");
  1919   out->print("[obj:%d]", object_size()); out->print(" ");
  1920   out->print("[lbl:0x%x]", stub()->entry());
  1923 void LIR_OpRoundFP::print_instr(outputStream* out) const {
  1924   _opr->print(out);         out->print(" ");
  1925   tmp()->print(out);        out->print(" ");
  1926   result_opr()->print(out); out->print(" ");
  1929 // LIR_Op2
  1930 void LIR_Op2::print_instr(outputStream* out) const {
  1931   if (code() == lir_cmove) {
  1932     print_condition(out, condition());         out->print(" ");
  1934   in_opr1()->print(out);    out->print(" ");
  1935   in_opr2()->print(out);    out->print(" ");
  1936   if (tmp1_opr()->is_valid()) { tmp1_opr()->print(out);    out->print(" "); }
  1937   if (tmp2_opr()->is_valid()) { tmp2_opr()->print(out);    out->print(" "); }
  1938   if (tmp3_opr()->is_valid()) { tmp3_opr()->print(out);    out->print(" "); }
  1939   if (tmp4_opr()->is_valid()) { tmp4_opr()->print(out);    out->print(" "); }
  1940   if (tmp5_opr()->is_valid()) { tmp5_opr()->print(out);    out->print(" "); }
  1941   result_opr()->print(out);
  1944 void LIR_OpAllocArray::print_instr(outputStream* out) const {
  1945   klass()->print(out);                   out->print(" ");
  1946   len()->print(out);                     out->print(" ");
  1947   obj()->print(out);                     out->print(" ");
  1948   tmp1()->print(out);                    out->print(" ");
  1949   tmp2()->print(out);                    out->print(" ");
  1950   tmp3()->print(out);                    out->print(" ");
  1951   tmp4()->print(out);                    out->print(" ");
  1952   out->print("[type:0x%x]", type());     out->print(" ");
  1953   out->print("[label:0x%x]", stub()->entry());
  1957 void LIR_OpTypeCheck::print_instr(outputStream* out) const {
  1958   object()->print(out);                  out->print(" ");
  1959   if (code() == lir_store_check) {
  1960     array()->print(out);                 out->print(" ");
  1962   if (code() != lir_store_check) {
  1963     klass()->print_name_on(out);         out->print(" ");
  1964     if (fast_check())                 out->print("fast_check ");
  1966   tmp1()->print(out);                    out->print(" ");
  1967   tmp2()->print(out);                    out->print(" ");
  1968   tmp3()->print(out);                    out->print(" ");
  1969   result_opr()->print(out);              out->print(" ");
  1970   if (info_for_exception() != NULL) out->print(" [bci:%d]", info_for_exception()->stack()->bci());
  1974 // LIR_Op3
  1975 void LIR_Op3::print_instr(outputStream* out) const {
  1976   in_opr1()->print(out);    out->print(" ");
  1977   in_opr2()->print(out);    out->print(" ");
  1978   in_opr3()->print(out);    out->print(" ");
  1979   result_opr()->print(out);
  1983 void LIR_OpLock::print_instr(outputStream* out) const {
  1984   hdr_opr()->print(out);   out->print(" ");
  1985   obj_opr()->print(out);   out->print(" ");
  1986   lock_opr()->print(out);  out->print(" ");
  1987   if (_scratch->is_valid()) {
  1988     _scratch->print(out);  out->print(" ");
  1990   out->print("[lbl:0x%x]", stub()->entry());
  1994 void LIR_OpDelay::print_instr(outputStream* out) const {
  1995   _op->print_on(out);
  1999 // LIR_OpProfileCall
  2000 void LIR_OpProfileCall::print_instr(outputStream* out) const {
  2001   profiled_method()->name()->print_symbol_on(out);
  2002   out->print(".");
  2003   profiled_method()->holder()->name()->print_symbol_on(out);
  2004   out->print(" @ %d ", profiled_bci());
  2005   mdo()->print(out);           out->print(" ");
  2006   recv()->print(out);          out->print(" ");
  2007   tmp1()->print(out);          out->print(" ");
  2010 #endif // PRODUCT
  2012 // Implementation of LIR_InsertionBuffer
  2014 void LIR_InsertionBuffer::append(int index, LIR_Op* op) {
  2015   assert(_index_and_count.length() % 2 == 0, "must have a count for each index");
  2017   int i = number_of_insertion_points() - 1;
  2018   if (i < 0 || index_at(i) < index) {
  2019     append_new(index, 1);
  2020   } else {
  2021     assert(index_at(i) == index, "can append LIR_Ops in ascending order only");
  2022     assert(count_at(i) > 0, "check");
  2023     set_count_at(i, count_at(i) + 1);
  2025   _ops.push(op);
  2027   DEBUG_ONLY(verify());
  2030 #ifdef ASSERT
  2031 void LIR_InsertionBuffer::verify() {
  2032   int sum = 0;
  2033   int prev_idx = -1;
  2035   for (int i = 0; i < number_of_insertion_points(); i++) {
  2036     assert(prev_idx < index_at(i), "index must be ordered ascending");
  2037     sum += count_at(i);
  2039   assert(sum == number_of_ops(), "wrong total sum");
  2041 #endif

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