src/share/vm/c1/c1_InstructionPrinter.cpp

Fri, 03 Sep 2010 17:51:07 -0700

author
iveresov
date
Fri, 03 Sep 2010 17:51:07 -0700
changeset 2138
d5d065957597
parent 1907
c18cbe5936b8
child 2174
f02a8bbe6ed4
permissions
-rw-r--r--

6953144: Tiered compilation
Summary: Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.
Reviewed-by: kvn, never, phh, twisti

     1 /*
     2  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #include "incls/_precompiled.incl"
    26 #include "incls/_c1_InstructionPrinter.cpp.incl"
    29 #ifndef PRODUCT
    31 const char* InstructionPrinter::basic_type_name(BasicType type) {
    32   switch (type) {
    33     case T_BOOLEAN: return "boolean";
    34     case T_BYTE   : return "byte";
    35     case T_CHAR   : return "char";
    36     case T_SHORT  : return "short";
    37     case T_INT    : return "int";
    38     case T_LONG   : return "long";
    39     case T_FLOAT  : return "float";
    40     case T_DOUBLE : return "double";
    41     case T_ARRAY  : return "array";
    42     case T_OBJECT : return "object";
    43     default       : return "???";
    44   }
    45 }
    48 const char* InstructionPrinter::cond_name(If::Condition cond) {
    49   switch (cond) {
    50     case If::eql: return "==";
    51     case If::neq: return "!=";
    52     case If::lss: return "<";
    53     case If::leq: return "<=";
    54     case If::gtr: return ">";
    55     case If::geq: return ">=";
    56   }
    57   ShouldNotReachHere();
    58   return NULL;
    59 }
    62 const char* InstructionPrinter::op_name(Bytecodes::Code op) {
    63   switch (op) {
    64     // arithmetic ops
    65     case Bytecodes::_iadd : // fall through
    66     case Bytecodes::_ladd : // fall through
    67     case Bytecodes::_fadd : // fall through
    68     case Bytecodes::_dadd : return "+";
    69     case Bytecodes::_isub : // fall through
    70     case Bytecodes::_lsub : // fall through
    71     case Bytecodes::_fsub : // fall through
    72     case Bytecodes::_dsub : return "-";
    73     case Bytecodes::_imul : // fall through
    74     case Bytecodes::_lmul : // fall through
    75     case Bytecodes::_fmul : // fall through
    76     case Bytecodes::_dmul : return "*";
    77     case Bytecodes::_idiv : // fall through
    78     case Bytecodes::_ldiv : // fall through
    79     case Bytecodes::_fdiv : // fall through
    80     case Bytecodes::_ddiv : return "/";
    81     case Bytecodes::_irem : // fall through
    82     case Bytecodes::_lrem : // fall through
    83     case Bytecodes::_frem : // fall through
    84     case Bytecodes::_drem : return "%";
    85     // shift ops
    86     case Bytecodes::_ishl : // fall through
    87     case Bytecodes::_lshl : return "<<";
    88     case Bytecodes::_ishr : // fall through
    89     case Bytecodes::_lshr : return ">>";
    90     case Bytecodes::_iushr: // fall through
    91     case Bytecodes::_lushr: return ">>>";
    92     // logic ops
    93     case Bytecodes::_iand : // fall through
    94     case Bytecodes::_land : return "&";
    95     case Bytecodes::_ior  : // fall through
    96     case Bytecodes::_lor  : return "|";
    97     case Bytecodes::_ixor : // fall through
    98     case Bytecodes::_lxor : return "^";
    99   }
   100   return Bytecodes::name(op);
   101 }
   104 bool InstructionPrinter::is_illegal_phi(Value v) {
   105   Phi* phi = v ? v->as_Phi() : NULL;
   106   if (phi && phi->is_illegal()) {
   107     return true;
   108   }
   109   return false;
   110 }
   113 bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) {
   114   Phi* phi = v ? v->as_Phi() : NULL;
   115   return phi && phi->block() == b;
   116 }
   119 void InstructionPrinter::print_klass(ciKlass* klass) {
   120   klass->name()->print_symbol_on(output());
   121 }
   124 void InstructionPrinter::print_object(Value obj) {
   125   ValueType* type = obj->type();
   126   if (type->as_ObjectConstant() != NULL) {
   127     ciObject* value = type->as_ObjectConstant()->value();
   128     if (value->is_null_object()) {
   129       output()->print("null");
   130     } else if (!value->is_loaded()) {
   131       output()->print("<unloaded object 0x%x>", value);
   132     } else if (value->is_method()) {
   133       ciMethod* m = (ciMethod*)value;
   134       output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8());
   135     } else {
   136       output()->print("<object 0x%x>", value->constant_encoding());
   137     }
   138   } else if (type->as_InstanceConstant() != NULL) {
   139     output()->print("<instance 0x%x>", type->as_InstanceConstant()->value()->constant_encoding());
   140   } else if (type->as_ArrayConstant() != NULL) {
   141     output()->print("<array 0x%x>", type->as_ArrayConstant()->value()->constant_encoding());
   142   } else if (type->as_ClassConstant() != NULL) {
   143     ciInstanceKlass* klass = type->as_ClassConstant()->value();
   144     if (!klass->is_loaded()) {
   145       output()->print("<unloaded> ");
   146     }
   147     output()->print("class ");
   148     print_klass(klass);
   149   } else {
   150     output()->print("???");
   151   }
   152 }
   155 void InstructionPrinter::print_temp(Value value) {
   156   output()->print("%c%d", value->type()->tchar(), value->id());
   157 }
   160 void InstructionPrinter::print_field(AccessField* field) {
   161   print_value(field->obj());
   162   output()->print("._%d", field->offset());
   163 }
   166 void InstructionPrinter::print_indexed(AccessIndexed* indexed) {
   167   print_value(indexed->array());
   168   output()->put('[');
   169   print_value(indexed->index());
   170   output()->put(']');
   171 }
   174 void InstructionPrinter::print_monitor(AccessMonitor* monitor) {
   175   output()->print("monitor[%d](", monitor->monitor_no());
   176   print_value(monitor->obj());
   177   output()->put(')');
   178 }
   181 void InstructionPrinter::print_op2(Op2* instr) {
   182   print_value(instr->x());
   183   output()->print(" %s ", op_name(instr->op()));
   184   print_value(instr->y());
   185 }
   188 void InstructionPrinter::print_value(Value value) {
   189   if (value == NULL) {
   190     output()->print("NULL");
   191   } else {
   192     print_temp(value);
   193   }
   194 }
   197 void InstructionPrinter::print_instr(Instruction* instr) {
   198   instr->visit(this);
   199 }
   202 void InstructionPrinter::print_stack(ValueStack* stack) {
   203   int start_position = output()->position();
   204   if (stack->stack_is_empty()) {
   205     output()->print("empty stack");
   206   } else {
   207     output()->print("stack [");
   208     for (int i = 0; i < stack->stack_size();) {
   209       if (i > 0) output()->print(", ");
   210       output()->print("%d:", i);
   211       Value value = stack->stack_at_inc(i);
   212       print_value(value);
   213       Phi* phi = value->as_Phi();
   214       if (phi != NULL) {
   215         if (phi->operand()->is_valid()) {
   216           output()->print(" ");
   217           phi->operand()->print(output());
   218         }
   219       }
   220     }
   221     output()->put(']');
   222   }
   223   if (!stack->no_active_locks()) {
   224     // print out the lines on the line below this
   225     // one at the same indentation level.
   226     output()->cr();
   227     fill_to(start_position, ' ');
   228     output()->print("locks [");
   229     for (int i = i = 0; i < stack->locks_size(); i++) {
   230       Value t = stack->lock_at(i);
   231       if (i > 0) output()->print(", ");
   232       output()->print("%d:", i);
   233       if (t == NULL) {
   234         // synchronized methods push null on the lock stack
   235         output()->print("this");
   236       } else {
   237         print_value(t);
   238       }
   239     }
   240     output()->print("]");
   241   }
   242 }
   245 void InstructionPrinter::print_inline_level(BlockBegin* block) {
   246   output()->print_cr("inlining depth %d", block->scope()->level());
   247 }
   250 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) {
   251   output()->print(name);
   252   output()->print(".(");
   253 }
   255 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) {
   256   print_unsafe_op(op, name);
   257   output()->print("base ");
   258   print_value(op->base());
   259   if (op->has_index()) {
   260     output()->print(", index "); print_value(op->index());
   261     output()->print(", log2_scale %d", op->log2_scale());
   262   }
   263 }
   266 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) {
   267   print_unsafe_op(op, name);
   268   print_value(op->object());
   269   output()->print(", ");
   270   print_value(op->offset());
   271 }
   274 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
   275   Phi* phi = v->as_Phi();
   276   output()->print("%2d  ", i);
   277   print_value(v);
   278   // print phi operands
   279   if (phi && phi->block() == b) {
   280     output()->print(" [");
   281     for (int j = 0; j < phi->operand_count(); j ++) {
   282       output()->print(" ");
   283       Value opd = phi->operand_at(j);
   284       if (opd) print_value(opd);
   285       else output()->print("NULL");
   286     }
   287     output()->print("] ");
   288   }
   289   print_alias(v);
   290 }
   293 void InstructionPrinter::print_alias(Value v) {
   294   if (v != v->subst()) {
   295     output()->print("alias "); print_value(v->subst());
   296   }
   297 }
   300 void InstructionPrinter::fill_to(int pos, char filler) {
   301   while (output()->position() < pos) output()->put(filler);
   302 }
   305 void InstructionPrinter::print_head() {
   306   const char filler = '_';
   307   fill_to(bci_pos  , filler); output()->print("bci"  );
   308   fill_to(use_pos  , filler); output()->print("use"  );
   309   fill_to(temp_pos , filler); output()->print("tid"  );
   310   fill_to(instr_pos, filler); output()->print("instr");
   311   fill_to(end_pos  , filler);
   312   output()->cr();
   313 }
   316 void InstructionPrinter::print_line(Instruction* instr) {
   317   // print instruction data on one line
   318   if (instr->is_pinned()) output()->put('.');
   319   fill_to(bci_pos  ); output()->print("%d", instr->bci());
   320   fill_to(use_pos  ); output()->print("%d", instr->use_count());
   321   fill_to(temp_pos ); print_temp(instr);
   322   fill_to(instr_pos); print_instr(instr);
   323   output()->cr();
   324   // add a line for StateSplit instructions w/ non-empty stacks
   325   // (make it robust so we can print incomplete instructions)
   326   StateSplit* split = instr->as_StateSplit();
   327   if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) {
   328     fill_to(instr_pos); print_stack(split->state());
   329     output()->cr();
   330   }
   331 }
   334 void InstructionPrinter::do_Phi(Phi* x) {
   335   output()->print("phi function");  // make that more detailed later
   336   if (x->is_illegal())
   337     output()->print(" (illegal)");
   338 }
   341 void InstructionPrinter::do_Local(Local* x) {
   342   output()->print("local[index %d]", x->java_index());
   343 }
   346 void InstructionPrinter::do_Constant(Constant* x) {
   347   ValueType* t = x->type();
   348   switch (t->tag()) {
   349     case intTag    : output()->print("%d"  , t->as_IntConstant   ()->value());    break;
   350     case longTag   : output()->print(os::jlong_format_specifier(), t->as_LongConstant()->value()); output()->print("L"); break;
   351     case floatTag  : output()->print("%g"  , t->as_FloatConstant ()->value());    break;
   352     case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value());    break;
   353     case objectTag : print_object(x);                                        break;
   354     case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break;
   355     default        : output()->print("???");                                      break;
   356   }
   357 }
   360 void InstructionPrinter::do_LoadField(LoadField* x) {
   361   print_field(x);
   362   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
   363 }
   366 void InstructionPrinter::do_StoreField(StoreField* x) {
   367   print_field(x);
   368   output()->print(" := ");
   369   print_value(x->value());
   370   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
   371 }
   374 void InstructionPrinter::do_ArrayLength(ArrayLength* x) {
   375   print_value(x->array());
   376   output()->print(".length");
   377 }
   380 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) {
   381   print_indexed(x);
   382   output()->print(" (%c)", type2char(x->elt_type()));
   383 }
   386 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) {
   387   print_indexed(x);
   388   output()->print(" := ");
   389   print_value(x->value());
   390   output()->print(" (%c)", type2char(x->elt_type()));
   391 }
   393 void InstructionPrinter::do_NegateOp(NegateOp* x) {
   394   output()->put('-');
   395   print_value(x->x());
   396 }
   399 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) {
   400   print_op2(x);
   401 }
   404 void InstructionPrinter::do_ShiftOp(ShiftOp* x) {
   405   print_op2(x);
   406 }
   409 void InstructionPrinter::do_LogicOp(LogicOp* x) {
   410   print_op2(x);
   411 }
   414 void InstructionPrinter::do_CompareOp(CompareOp* x) {
   415   print_op2(x);
   416 }
   419 void InstructionPrinter::do_IfOp(IfOp* x) {
   420   print_value(x->x());
   421   output()->print(" %s ", cond_name(x->cond()));
   422   print_value(x->y());
   423   output()->print(" ? ");
   424   print_value(x->tval());
   425   output()->print(" : ");
   426   print_value(x->fval());
   427 }
   430 void InstructionPrinter::do_Convert(Convert* x) {
   431   output()->print("%s(", Bytecodes::name(x->op()));
   432   print_value(x->value());
   433   output()->put(')');
   434 }
   437 void InstructionPrinter::do_NullCheck(NullCheck* x) {
   438   output()->print("null_check(");
   439   print_value(x->obj());
   440   output()->put(')');
   441   if (!x->can_trap()) {
   442     output()->print(" (eliminated)");
   443   }
   444 }
   447 void InstructionPrinter::do_Invoke(Invoke* x) {
   448   if (x->receiver() != NULL) {
   449     print_value(x->receiver());
   450     output()->print(".");
   451   }
   453   output()->print("%s(", Bytecodes::name(x->code()));
   454   for (int i = 0; i < x->number_of_arguments(); i++) {
   455     if (i > 0) output()->print(", ");
   456     print_value(x->argument_at(i));
   457   }
   458   output()->print_cr(")");
   459   fill_to(instr_pos);
   460   output()->print("%s.%s%s",
   461              x->target()->holder()->name()->as_utf8(),
   462              x->target()->name()->as_utf8(),
   463              x->target()->signature()->as_symbol()->as_utf8());
   464 }
   467 void InstructionPrinter::do_NewInstance(NewInstance* x) {
   468   output()->print("new instance ");
   469   print_klass(x->klass());
   470 }
   473 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) {
   474   output()->print("new %s array [", basic_type_name(x->elt_type()));
   475   print_value(x->length());
   476   output()->put(']');
   477 }
   480 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) {
   481   output()->print("new object array [");
   482   print_value(x->length());
   483   output()->print("] ");
   484   print_klass(x->klass());
   485 }
   488 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) {
   489   output()->print("new multi array [");
   490   Values* dims = x->dims();
   491   for (int i = 0; i < dims->length(); i++) {
   492     if (i > 0) output()->print(", ");
   493     print_value(dims->at(i));
   494   }
   495   output()->print("] ");
   496   print_klass(x->klass());
   497 }
   500 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) {
   501   output()->print("enter ");
   502   print_monitor(x);
   503 }
   506 void InstructionPrinter::do_MonitorExit(MonitorExit* x) {
   507   output()->print("exit ");
   508   print_monitor(x);
   509 }
   512 void InstructionPrinter::do_Intrinsic(Intrinsic* x) {
   513   const char* name = vmIntrinsics::name_at(x->id());
   514   if (name[0] == '_')  name++;  // strip leading bug from _hashCode, etc.
   515   const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id()));
   516   if (strchr(name, '_') == NULL) {
   517     kname = NULL;
   518   } else {
   519     const char* kptr = strrchr(kname, '/');
   520     if (kptr != NULL)  kname = kptr + 1;
   521   }
   522   if (kname == NULL)
   523     output()->print("%s(", name);
   524   else
   525     output()->print("%s.%s(", kname, name);
   526   for (int i = 0; i < x->number_of_arguments(); i++) {
   527     if (i > 0) output()->print(", ");
   528     print_value(x->argument_at(i));
   529   }
   530   output()->put(')');
   531 }
   534 void InstructionPrinter::do_BlockBegin(BlockBegin* x) {
   535   // print block id
   536   BlockEnd* end = x->end();
   537   output()->print("B%d ", x->block_id());
   539   // print flags
   540   bool printed_flag = false;
   541   if (x->is_set(BlockBegin::std_entry_flag)) {
   542     if (!printed_flag) output()->print("(");
   543     output()->print("S"); printed_flag = true;
   544   }
   545   if (x->is_set(BlockBegin::osr_entry_flag)) {
   546     if (!printed_flag) output()->print("(");
   547     output()->print("O"); printed_flag = true;
   548   }
   549   if (x->is_set(BlockBegin::exception_entry_flag)) {
   550     if (!printed_flag) output()->print("(");
   551     output()->print("E"); printed_flag = true;
   552   }
   553   if (x->is_set(BlockBegin::subroutine_entry_flag)) {
   554     if (!printed_flag) output()->print("(");
   555     output()->print("s"); printed_flag = true;
   556   }
   557   if (x->is_set(BlockBegin::parser_loop_header_flag)) {
   558     if (!printed_flag) output()->print("(");
   559     output()->print("LH"); printed_flag = true;
   560   }
   561   if (x->is_set(BlockBegin::backward_branch_target_flag)) {
   562     if (!printed_flag) output()->print("(");
   563     output()->print("b"); printed_flag = true;
   564   }
   565   if (x->is_set(BlockBegin::was_visited_flag)) {
   566     if (!printed_flag) output()->print("(");
   567     output()->print("V"); printed_flag = true;
   568   }
   569   if (printed_flag) output()->print(") ");
   571   // print block bci range
   572   output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->bci()));
   574   // print block successors
   575   if (end != NULL && end->number_of_sux() > 0) {
   576     output()->print(" ->");
   577     for (int i = 0; i < end->number_of_sux(); i++) {
   578       output()->print(" B%d", end->sux_at(i)->block_id());
   579     }
   580   }
   581   // print exception handlers
   582   if (x->number_of_exception_handlers() > 0) {
   583     output()->print(" (xhandlers ");
   584     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
   585       if (i > 0) output()->print(" ");
   586       output()->print("B%d", x->exception_handler_at(i)->block_id());
   587     }
   588     output()->put(')');
   589   }
   591   // print dominator block
   592   if (x->dominator() != NULL) {
   593     output()->print(" dom B%d", x->dominator()->block_id());
   594   }
   596   // print predecessors and successors
   597   if (x->successors()->length() > 0) {
   598     output()->print(" sux:");
   599     for (int i = 0; i < x->successors()->length(); i ++) {
   600       output()->print(" B%d", x->successors()->at(i)->block_id());
   601     }
   602   }
   604   if (x->number_of_preds() > 0) {
   605     output()->print(" pred:");
   606     for (int i = 0; i < x->number_of_preds(); i ++) {
   607       output()->print(" B%d", x->pred_at(i)->block_id());
   608     }
   609   }
   611   if (!_print_phis) {
   612     return;
   613   }
   615   // print phi functions
   616   bool has_phis_in_locals = false;
   617   bool has_phis_on_stack = false;
   619   if (x->end() && x->end()->state()) {
   620     ValueStack* state = x->state();
   622     int i = 0;
   623     while (!has_phis_on_stack && i < state->stack_size()) {
   624       Value v = state->stack_at_inc(i);
   625       has_phis_on_stack = is_phi_of_block(v, x);
   626     }
   628     do {
   629       for (i = 0; !has_phis_in_locals && i < state->locals_size();) {
   630         Value v = state->local_at(i);
   631         has_phis_in_locals = is_phi_of_block(v, x);
   632         // also ignore illegal HiWords
   633         if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++;
   634       }
   635       state = state->caller_state();
   636     } while (state != NULL);
   638   }
   640   // print values in locals
   641   if (has_phis_in_locals) {
   642     output()->cr(); output()->print_cr("Locals:");
   644     ValueStack* state = x->state();
   645     do {
   646       for (int i = 0; i < state->locals_size();) {
   647         Value v = state->local_at(i);
   648         if (v) {
   649           print_phi(i, v, x); output()->cr();
   650           // also ignore illegal HiWords
   651           i += (v->type()->is_illegal() ? 1 : v->type()->size());
   652         } else {
   653           i ++;
   654         }
   655       }
   656       output()->cr();
   657       state = state->caller_state();
   658     } while (state != NULL);
   659   }
   661   // print values on stack
   662   if (has_phis_on_stack) {
   663     output()->print_cr("Stack:");
   664     int i = 0;
   665     while (i < x->state()->stack_size()) {
   666       int o = i;
   667       Value v = x->state()->stack_at_inc(i);
   668       if (v) {
   669         print_phi(o, v, x); output()->cr();
   670       }
   671     }
   672   }
   673 }
   676 void InstructionPrinter::do_CheckCast(CheckCast* x) {
   677   output()->print("checkcast(");
   678   print_value(x->obj());
   679   output()->print(") ");
   680   print_klass(x->klass());
   681 }
   684 void InstructionPrinter::do_InstanceOf(InstanceOf* x) {
   685   output()->print("instanceof(");
   686   print_value(x->obj());
   687   output()->print(") ");
   688   print_klass(x->klass());
   689 }
   692 void InstructionPrinter::do_Goto(Goto* x) {
   693   output()->print("goto B%d", x->default_sux()->block_id());
   694   if (x->is_safepoint()) output()->print(" (safepoint)");
   695 }
   698 void InstructionPrinter::do_If(If* x) {
   699   output()->print("if ");
   700   print_value(x->x());
   701   output()->print(" %s ", cond_name(x->cond()));
   702   print_value(x->y());
   703   output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id());
   704   if (x->is_safepoint()) output()->print(" (safepoint)");
   705 }
   708 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) {
   709   output()->print("<IfInstanceOf>");
   710 }
   713 void InstructionPrinter::do_TableSwitch(TableSwitch* x) {
   714   output()->print("tableswitch ");
   715   if (x->is_safepoint()) output()->print("(safepoint) ");
   716   print_value(x->tag());
   717   output()->cr();
   718   int l = x->length();
   719   for (int i = 0; i < l; i++) {
   720     fill_to(instr_pos);
   721     output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id());
   722   }
   723   fill_to(instr_pos);
   724   output()->print("default   : B%d", x->default_sux()->block_id());
   725 }
   728 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) {
   729   output()->print("lookupswitch ");
   730   if (x->is_safepoint()) output()->print("(safepoint) ");
   731   print_value(x->tag());
   732   output()->cr();
   733   int l = x->length();
   734   for (int i = 0; i < l; i++) {
   735     fill_to(instr_pos);
   736     output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id());
   737   }
   738   fill_to(instr_pos);
   739   output()->print("default   : B%d", x->default_sux()->block_id());
   740 }
   743 void InstructionPrinter::do_Return(Return* x) {
   744   if (x->result() == NULL) {
   745     output()->print("return");
   746   } else {
   747     output()->print("%creturn ", x->type()->tchar());
   748     print_value(x->result());
   749   }
   750 }
   753 void InstructionPrinter::do_Throw(Throw* x) {
   754   output()->print("throw ");
   755   print_value(x->exception());
   756 }
   759 void InstructionPrinter::do_Base(Base* x) {
   760   output()->print("std entry B%d", x->std_entry()->block_id());
   761   if (x->number_of_sux() > 1) {
   762     output()->print(" osr entry B%d", x->osr_entry()->block_id());
   763   }
   764 }
   767 void InstructionPrinter::do_OsrEntry(OsrEntry* x) {
   768   output()->print("osr entry");
   769 }
   772 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) {
   773   output()->print("incoming exception");
   774 }
   777 void InstructionPrinter::do_RoundFP(RoundFP* x) {
   778   output()->print("round_fp ");
   779   print_value(x->input());
   780 }
   783 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) {
   784   print_unsafe_raw_op(x, "UnsafeGetRaw");
   785   output()->put(')');
   786 }
   789 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) {
   790   print_unsafe_raw_op(x, "UnsafePutRaw");
   791   output()->print(", value ");
   792   print_value(x->value());
   793   output()->put(')');
   794 }
   797 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) {
   798   print_unsafe_object_op(x, "UnsafeGetObject");
   799   output()->put(')');
   800 }
   803 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) {
   804   print_unsafe_object_op(x, "UnsafePutObject");
   805   output()->print(", value ");
   806   print_value(x->value());
   807   output()->put(')');
   808 }
   811 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
   812   print_unsafe_object_op(x, "UnsafePrefetchRead");
   813   output()->put(')');
   814 }
   817 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
   818   print_unsafe_object_op(x, "UnsafePrefetchWrite");
   819   output()->put(')');
   820 }
   822 void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
   823   output()->print("profile ");
   824   print_value(x->recv());
   825   output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
   826   if (x->known_holder() != NULL) {
   827     output()->print(", ");
   828     print_klass(x->known_holder());
   829   }
   830   output()->put(')');
   831 }
   833 void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) {
   834   output()->print("profile_invoke ");
   835   output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8());
   836   output()->put(')');
   838 }
   840 #endif // PRODUCT

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