duke@435: /*
duke@435:  * Copyright 1999-2006 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: #include "incls/_precompiled.incl"
duke@435: #include "incls/_c1_InstructionPrinter.cpp.incl"
duke@435: 
duke@435: 
duke@435: #ifndef PRODUCT
duke@435: 
duke@435: const char* InstructionPrinter::basic_type_name(BasicType type) {
duke@435:   switch (type) {
duke@435:     case T_BOOLEAN: return "boolean";
duke@435:     case T_BYTE   : return "byte";
duke@435:     case T_CHAR   : return "char";
duke@435:     case T_SHORT  : return "short";
duke@435:     case T_INT    : return "int";
duke@435:     case T_LONG   : return "long";
duke@435:     case T_FLOAT  : return "float";
duke@435:     case T_DOUBLE : return "double";
duke@435:     case T_ARRAY  : return "array";
duke@435:     case T_OBJECT : return "object";
duke@435:     default       : return "???";
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: const char* InstructionPrinter::cond_name(If::Condition cond) {
duke@435:   switch (cond) {
duke@435:     case If::eql: return "==";
duke@435:     case If::neq: return "!=";
duke@435:     case If::lss: return "<";
duke@435:     case If::leq: return "<=";
duke@435:     case If::gtr: return ">";
duke@435:     case If::geq: return ">=";
duke@435:   }
duke@435:   ShouldNotReachHere();
duke@435:   return NULL;
duke@435: }
duke@435: 
duke@435: 
duke@435: const char* InstructionPrinter::op_name(Bytecodes::Code op) {
duke@435:   switch (op) {
duke@435:     // arithmetic ops
duke@435:     case Bytecodes::_iadd : // fall through
duke@435:     case Bytecodes::_ladd : // fall through
duke@435:     case Bytecodes::_fadd : // fall through
duke@435:     case Bytecodes::_dadd : return "+";
duke@435:     case Bytecodes::_isub : // fall through
duke@435:     case Bytecodes::_lsub : // fall through
duke@435:     case Bytecodes::_fsub : // fall through
duke@435:     case Bytecodes::_dsub : return "-";
duke@435:     case Bytecodes::_imul : // fall through
duke@435:     case Bytecodes::_lmul : // fall through
duke@435:     case Bytecodes::_fmul : // fall through
duke@435:     case Bytecodes::_dmul : return "*";
duke@435:     case Bytecodes::_idiv : // fall through
duke@435:     case Bytecodes::_ldiv : // fall through
duke@435:     case Bytecodes::_fdiv : // fall through
duke@435:     case Bytecodes::_ddiv : return "/";
duke@435:     case Bytecodes::_irem : // fall through
duke@435:     case Bytecodes::_lrem : // fall through
duke@435:     case Bytecodes::_frem : // fall through
duke@435:     case Bytecodes::_drem : return "%";
duke@435:     // shift ops
duke@435:     case Bytecodes::_ishl : // fall through
duke@435:     case Bytecodes::_lshl : return "<<";
duke@435:     case Bytecodes::_ishr : // fall through
duke@435:     case Bytecodes::_lshr : return ">>";
duke@435:     case Bytecodes::_iushr: // fall through
duke@435:     case Bytecodes::_lushr: return ">>>";
duke@435:     // logic ops
duke@435:     case Bytecodes::_iand : // fall through
duke@435:     case Bytecodes::_land : return "&";
duke@435:     case Bytecodes::_ior  : // fall through
duke@435:     case Bytecodes::_lor  : return "|";
duke@435:     case Bytecodes::_ixor : // fall through
duke@435:     case Bytecodes::_lxor : return "^";
duke@435:   }
duke@435:   return Bytecodes::name(op);
duke@435: }
duke@435: 
duke@435: 
duke@435: bool InstructionPrinter::is_illegal_phi(Value v) {
duke@435:   Phi* phi = v ? v->as_Phi() : NULL;
duke@435:   if (phi && phi->is_illegal()) {
duke@435:     return true;
duke@435:   }
duke@435:   return false;
duke@435: }
duke@435: 
duke@435: 
duke@435: bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) {
duke@435:   Phi* phi = v ? v->as_Phi() : NULL;
duke@435:   return phi && phi->block() == b;
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_klass(ciKlass* klass) {
duke@435:   klass->name()->print_symbol_on(output());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_object(Value obj) {
duke@435:   ValueType* type = obj->type();
duke@435:   if (type->as_ObjectConstant() != NULL) {
duke@435:     ciObject* value = type->as_ObjectConstant()->value();
duke@435:     if (value->is_null_object()) {
duke@435:       output()->print("null");
duke@435:     } else if (!value->is_loaded()) {
duke@435:       output()->print("<unloaded object 0x%x>", value);
duke@435:     } else if (value->is_method()) {
duke@435:       ciMethod* m = (ciMethod*)value;
duke@435:       output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8());
duke@435:     } else {
jrose@1424:       output()->print("<object 0x%x>", value->constant_encoding());
duke@435:     }
duke@435:   } else if (type->as_InstanceConstant() != NULL) {
jrose@1424:     output()->print("<instance 0x%x>", type->as_InstanceConstant()->value()->constant_encoding());
duke@435:   } else if (type->as_ArrayConstant() != NULL) {
jrose@1424:     output()->print("<array 0x%x>", type->as_ArrayConstant()->value()->constant_encoding());
duke@435:   } else if (type->as_ClassConstant() != NULL) {
duke@435:     ciInstanceKlass* klass = type->as_ClassConstant()->value();
duke@435:     if (!klass->is_loaded()) {
duke@435:       output()->print("<unloaded> ");
duke@435:     }
duke@435:     output()->print("class ");
duke@435:     print_klass(klass);
duke@435:   } else {
duke@435:     output()->print("???");
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_temp(Value value) {
duke@435:   output()->print("%c%d", value->type()->tchar(), value->id());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_field(AccessField* field) {
duke@435:   print_value(field->obj());
duke@435:   output()->print("._%d", field->offset());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_indexed(AccessIndexed* indexed) {
duke@435:   print_value(indexed->array());
duke@435:   output()->put('[');
duke@435:   print_value(indexed->index());
duke@435:   output()->put(']');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_monitor(AccessMonitor* monitor) {
duke@435:   output()->print("monitor[%d](", monitor->monitor_no());
duke@435:   print_value(monitor->obj());
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_op2(Op2* instr) {
duke@435:   print_value(instr->x());
duke@435:   output()->print(" %s ", op_name(instr->op()));
duke@435:   print_value(instr->y());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_value(Value value) {
duke@435:   if (value == NULL) {
duke@435:     output()->print("NULL");
duke@435:   } else {
duke@435:     print_temp(value);
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_instr(Instruction* instr) {
duke@435:   instr->visit(this);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_stack(ValueStack* stack) {
duke@435:   int start_position = output()->position();
duke@435:   if (stack->stack_is_empty()) {
duke@435:     output()->print("empty stack");
duke@435:   } else {
duke@435:     output()->print("stack [");
duke@435:     for (int i = 0; i < stack->stack_size();) {
duke@435:       if (i > 0) output()->print(", ");
duke@435:       output()->print("%d:", i);
duke@435:       Value value = stack->stack_at_inc(i);
duke@435:       print_value(value);
duke@435:       Phi* phi = value->as_Phi();
duke@435:       if (phi != NULL) {
duke@435:         if (phi->operand()->is_valid()) {
duke@435:           output()->print(" ");
duke@435:           phi->operand()->print(output());
duke@435:         }
duke@435:       }
duke@435:     }
duke@435:     output()->put(']');
duke@435:   }
duke@435:   if (!stack->no_active_locks()) {
duke@435:     // print out the lines on the line below this
duke@435:     // one at the same indentation level.
duke@435:     output()->cr();
duke@435:     fill_to(start_position, ' ');
duke@435:     output()->print("locks [");
duke@435:     for (int i = i = 0; i < stack->locks_size(); i++) {
duke@435:       Value t = stack->lock_at(i);
duke@435:       if (i > 0) output()->print(", ");
duke@435:       output()->print("%d:", i);
duke@435:       if (t == NULL) {
duke@435:         // synchronized methods push null on the lock stack
duke@435:         output()->print("this");
duke@435:       } else {
duke@435:         print_value(t);
duke@435:       }
duke@435:     }
duke@435:     output()->print("]");
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_inline_level(BlockBegin* block) {
duke@435:   output()->print_cr("inlining depth %d", block->scope()->level());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) {
duke@435:   output()->print(name);
duke@435:   output()->print(".(");
duke@435: }
duke@435: 
duke@435: void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) {
duke@435:   print_unsafe_op(op, name);
duke@435:   output()->print("base ");
duke@435:   print_value(op->base());
duke@435:   if (op->has_index()) {
duke@435:     output()->print(", index "); print_value(op->index());
duke@435:     output()->print(", log2_scale %d", op->log2_scale());
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) {
duke@435:   print_unsafe_op(op, name);
duke@435:   print_value(op->object());
duke@435:   output()->print(", ");
duke@435:   print_value(op->offset());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
duke@435:   Phi* phi = v->as_Phi();
duke@435:   output()->print("%2d  ", i);
duke@435:   print_value(v);
duke@435:   // print phi operands
duke@435:   if (phi && phi->block() == b) {
duke@435:     output()->print(" [");
duke@435:     for (int j = 0; j < phi->operand_count(); j ++) {
duke@435:       output()->print(" ");
duke@435:       Value opd = phi->operand_at(j);
duke@435:       if (opd) print_value(opd);
duke@435:       else output()->print("NULL");
duke@435:     }
duke@435:     output()->print("] ");
duke@435:   }
duke@435:   print_alias(v);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_alias(Value v) {
duke@435:   if (v != v->subst()) {
duke@435:     output()->print("alias "); print_value(v->subst());
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::fill_to(int pos, char filler) {
duke@435:   while (output()->position() < pos) output()->put(filler);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_head() {
duke@435:   const char filler = '_';
duke@435:   fill_to(bci_pos  , filler); output()->print("bci"  );
duke@435:   fill_to(use_pos  , filler); output()->print("use"  );
duke@435:   fill_to(temp_pos , filler); output()->print("tid"  );
duke@435:   fill_to(instr_pos, filler); output()->print("instr");
duke@435:   fill_to(end_pos  , filler);
duke@435:   output()->cr();
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::print_line(Instruction* instr) {
duke@435:   // print instruction data on one line
duke@435:   if (instr->is_pinned()) output()->put('.');
duke@435:   fill_to(bci_pos  ); output()->print("%d", instr->bci());
duke@435:   fill_to(use_pos  ); output()->print("%d", instr->use_count());
duke@435:   fill_to(temp_pos ); print_temp(instr);
duke@435:   fill_to(instr_pos); print_instr(instr);
duke@435:   output()->cr();
duke@435:   // add a line for StateSplit instructions w/ non-empty stacks
duke@435:   // (make it robust so we can print incomplete instructions)
duke@435:   StateSplit* split = instr->as_StateSplit();
duke@435:   if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) {
duke@435:     fill_to(instr_pos); print_stack(split->state());
duke@435:     output()->cr();
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Phi(Phi* x) {
duke@435:   output()->print("phi function");  // make that more detailed later
duke@435:   if (x->is_illegal())
duke@435:     output()->print(" (illegal)");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Local(Local* x) {
duke@435:   output()->print("local[index %d]", x->java_index());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Constant(Constant* x) {
duke@435:   ValueType* t = x->type();
duke@435:   switch (t->tag()) {
duke@435:     case intTag    : output()->print("%d"  , t->as_IntConstant   ()->value());    break;
duke@435:     case longTag   : output()->print(os::jlong_format_specifier(), t->as_LongConstant()->value()); output()->print("L"); break;
duke@435:     case floatTag  : output()->print("%g"  , t->as_FloatConstant ()->value());    break;
duke@435:     case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value());    break;
duke@435:     case objectTag : print_object(x);                                        break;
duke@435:     case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break;
duke@435:     default        : output()->print("???");                                      break;
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_LoadField(LoadField* x) {
duke@435:   print_field(x);
duke@435:   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_StoreField(StoreField* x) {
duke@435:   print_field(x);
duke@435:   output()->print(" := ");
duke@435:   print_value(x->value());
duke@435:   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ArrayLength(ArrayLength* x) {
duke@435:   print_value(x->array());
duke@435:   output()->print(".length");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) {
duke@435:   print_indexed(x);
duke@435:   output()->print(" (%c)", type2char(x->elt_type()));
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) {
duke@435:   print_indexed(x);
duke@435:   output()->print(" := ");
duke@435:   print_value(x->value());
duke@435:   output()->print(" (%c)", type2char(x->elt_type()));
duke@435: }
duke@435: 
duke@435: void InstructionPrinter::do_NegateOp(NegateOp* x) {
duke@435:   output()->put('-');
duke@435:   print_value(x->x());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) {
duke@435:   print_op2(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ShiftOp(ShiftOp* x) {
duke@435:   print_op2(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_LogicOp(LogicOp* x) {
duke@435:   print_op2(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_CompareOp(CompareOp* x) {
duke@435:   print_op2(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_IfOp(IfOp* x) {
duke@435:   print_value(x->x());
duke@435:   output()->print(" %s ", cond_name(x->cond()));
duke@435:   print_value(x->y());
duke@435:   output()->print(" ? ");
duke@435:   print_value(x->tval());
duke@435:   output()->print(" : ");
duke@435:   print_value(x->fval());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Convert(Convert* x) {
duke@435:   output()->print("%s(", Bytecodes::name(x->op()));
duke@435:   print_value(x->value());
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_NullCheck(NullCheck* x) {
duke@435:   output()->print("null_check(");
duke@435:   print_value(x->obj());
duke@435:   output()->put(')');
duke@435:   if (!x->can_trap()) {
duke@435:     output()->print(" (eliminated)");
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Invoke(Invoke* x) {
duke@435:   if (x->receiver() != NULL) {
duke@435:     print_value(x->receiver());
duke@435:     output()->print(".");
duke@435:   }
duke@435: 
duke@435:   output()->print("%s(", Bytecodes::name(x->code()));
duke@435:   for (int i = 0; i < x->number_of_arguments(); i++) {
duke@435:     if (i > 0) output()->print(", ");
duke@435:     print_value(x->argument_at(i));
duke@435:   }
duke@435:   output()->print_cr(")");
duke@435:   fill_to(instr_pos);
duke@435:   output()->print("%s.%s%s",
duke@435:              x->target()->holder()->name()->as_utf8(),
duke@435:              x->target()->name()->as_utf8(),
duke@435:              x->target()->signature()->as_symbol()->as_utf8());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_NewInstance(NewInstance* x) {
duke@435:   output()->print("new instance ");
duke@435:   print_klass(x->klass());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) {
duke@435:   output()->print("new %s array [", basic_type_name(x->elt_type()));
duke@435:   print_value(x->length());
duke@435:   output()->put(']');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) {
duke@435:   output()->print("new object array [");
duke@435:   print_value(x->length());
duke@435:   output()->print("] ");
duke@435:   print_klass(x->klass());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) {
duke@435:   output()->print("new multi array [");
duke@435:   Values* dims = x->dims();
duke@435:   for (int i = 0; i < dims->length(); i++) {
duke@435:     if (i > 0) output()->print(", ");
duke@435:     print_value(dims->at(i));
duke@435:   }
duke@435:   output()->print("] ");
duke@435:   print_klass(x->klass());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) {
duke@435:   output()->print("enter ");
duke@435:   print_monitor(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_MonitorExit(MonitorExit* x) {
duke@435:   output()->print("exit ");
duke@435:   print_monitor(x);
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Intrinsic(Intrinsic* x) {
duke@435:   const char* name = vmIntrinsics::name_at(x->id());
duke@435:   if (name[0] == '_')  name++;  // strip leading bug from _hashCode, etc.
duke@435:   const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id()));
duke@435:   if (strchr(name, '_') == NULL) {
duke@435:     kname = NULL;
duke@435:   } else {
duke@435:     const char* kptr = strrchr(kname, '/');
duke@435:     if (kptr != NULL)  kname = kptr + 1;
duke@435:   }
duke@435:   if (kname == NULL)
duke@435:     output()->print("%s(", name);
duke@435:   else
duke@435:     output()->print("%s.%s(", kname, name);
duke@435:   for (int i = 0; i < x->number_of_arguments(); i++) {
duke@435:     if (i > 0) output()->print(", ");
duke@435:     print_value(x->argument_at(i));
duke@435:   }
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_BlockBegin(BlockBegin* x) {
duke@435:   // print block id
duke@435:   BlockEnd* end = x->end();
duke@435:   output()->print("B%d ", x->block_id());
duke@435: 
duke@435:   // print flags
duke@435:   bool printed_flag = false;
duke@435:   if (x->is_set(BlockBegin::std_entry_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("S"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::osr_entry_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("O"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::exception_entry_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("E"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::subroutine_entry_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("s"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::parser_loop_header_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("LH"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::backward_branch_target_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("b"); printed_flag = true;
duke@435:   }
duke@435:   if (x->is_set(BlockBegin::was_visited_flag)) {
duke@435:     if (!printed_flag) output()->print("(");
duke@435:     output()->print("V"); printed_flag = true;
duke@435:   }
duke@435:   if (printed_flag) output()->print(") ");
duke@435: 
duke@435:   // print block bci range
duke@435:   output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->bci()));
duke@435: 
duke@435:   // print block successors
duke@435:   if (end != NULL && end->number_of_sux() > 0) {
duke@435:     output()->print(" ->");
duke@435:     for (int i = 0; i < end->number_of_sux(); i++) {
duke@435:       output()->print(" B%d", end->sux_at(i)->block_id());
duke@435:     }
duke@435:   }
duke@435:   // print exception handlers
duke@435:   if (x->number_of_exception_handlers() > 0) {
duke@435:     output()->print(" (xhandlers ");
duke@435:     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
duke@435:       if (i > 0) output()->print(" ");
duke@435:       output()->print("B%d", x->exception_handler_at(i)->block_id());
duke@435:     }
duke@435:     output()->put(')');
duke@435:   }
duke@435: 
duke@435:   // print dominator block
duke@435:   if (x->dominator() != NULL) {
duke@435:     output()->print(" dom B%d", x->dominator()->block_id());
duke@435:   }
duke@435: 
duke@435:   // print predecessors and successors
duke@435:   if (x->successors()->length() > 0) {
duke@435:     output()->print(" sux:");
duke@435:     for (int i = 0; i < x->successors()->length(); i ++) {
duke@435:       output()->print(" B%d", x->successors()->at(i)->block_id());
duke@435:     }
duke@435:   }
duke@435: 
duke@435:   if (x->number_of_preds() > 0) {
duke@435:     output()->print(" pred:");
duke@435:     for (int i = 0; i < x->number_of_preds(); i ++) {
duke@435:       output()->print(" B%d", x->pred_at(i)->block_id());
duke@435:     }
duke@435:   }
duke@435: 
duke@435:   if (!_print_phis) {
duke@435:     return;
duke@435:   }
duke@435: 
duke@435:   // print phi functions
duke@435:   bool has_phis_in_locals = false;
duke@435:   bool has_phis_on_stack = false;
duke@435: 
duke@435:   if (x->end() && x->end()->state()) {
duke@435:     ValueStack* state = x->state();
duke@435: 
duke@435:     int i = 0;
duke@435:     while (!has_phis_on_stack && i < state->stack_size()) {
duke@435:       Value v = state->stack_at_inc(i);
duke@435:       has_phis_on_stack = is_phi_of_block(v, x);
duke@435:     }
duke@435: 
duke@435:     do {
duke@435:       for (i = 0; !has_phis_in_locals && i < state->locals_size();) {
duke@435:         Value v = state->local_at(i);
duke@435:         has_phis_in_locals = is_phi_of_block(v, x);
duke@435:         // also ignore illegal HiWords
duke@435:         if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++;
duke@435:       }
duke@435:       state = state->caller_state();
duke@435:     } while (state != NULL);
duke@435: 
duke@435:   }
duke@435: 
duke@435:   // print values in locals
duke@435:   if (has_phis_in_locals) {
duke@435:     output()->cr(); output()->print_cr("Locals:");
duke@435: 
duke@435:     ValueStack* state = x->state();
duke@435:     do {
duke@435:       for (int i = 0; i < state->locals_size();) {
duke@435:         Value v = state->local_at(i);
duke@435:         if (v) {
duke@435:           print_phi(i, v, x); output()->cr();
duke@435:           // also ignore illegal HiWords
duke@435:           i += (v->type()->is_illegal() ? 1 : v->type()->size());
duke@435:         } else {
duke@435:           i ++;
duke@435:         }
duke@435:       }
duke@435:       output()->cr();
duke@435:       state = state->caller_state();
duke@435:     } while (state != NULL);
duke@435:   }
duke@435: 
duke@435:   // print values on stack
duke@435:   if (has_phis_on_stack) {
duke@435:     output()->print_cr("Stack:");
duke@435:     int i = 0;
duke@435:     while (i < x->state()->stack_size()) {
duke@435:       int o = i;
duke@435:       Value v = x->state()->stack_at_inc(i);
duke@435:       if (v) {
duke@435:         print_phi(o, v, x); output()->cr();
duke@435:       }
duke@435:     }
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_CheckCast(CheckCast* x) {
duke@435:   output()->print("checkcast(");
duke@435:   print_value(x->obj());
duke@435:   output()->print(") ");
duke@435:   print_klass(x->klass());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_InstanceOf(InstanceOf* x) {
duke@435:   output()->print("instanceof(");
duke@435:   print_value(x->obj());
duke@435:   output()->print(") ");
duke@435:   print_klass(x->klass());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Goto(Goto* x) {
duke@435:   output()->print("goto B%d", x->default_sux()->block_id());
duke@435:   if (x->is_safepoint()) output()->print(" (safepoint)");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_If(If* x) {
duke@435:   output()->print("if ");
duke@435:   print_value(x->x());
duke@435:   output()->print(" %s ", cond_name(x->cond()));
duke@435:   print_value(x->y());
duke@435:   output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id());
duke@435:   if (x->is_safepoint()) output()->print(" (safepoint)");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) {
duke@435:   output()->print("<IfInstanceOf>");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_TableSwitch(TableSwitch* x) {
duke@435:   output()->print("tableswitch ");
duke@435:   if (x->is_safepoint()) output()->print("(safepoint) ");
duke@435:   print_value(x->tag());
duke@435:   output()->cr();
duke@435:   int l = x->length();
duke@435:   for (int i = 0; i < l; i++) {
duke@435:     fill_to(instr_pos);
duke@435:     output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id());
duke@435:   }
duke@435:   fill_to(instr_pos);
duke@435:   output()->print("default   : B%d", x->default_sux()->block_id());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) {
duke@435:   output()->print("lookupswitch ");
duke@435:   if (x->is_safepoint()) output()->print("(safepoint) ");
duke@435:   print_value(x->tag());
duke@435:   output()->cr();
duke@435:   int l = x->length();
duke@435:   for (int i = 0; i < l; i++) {
duke@435:     fill_to(instr_pos);
duke@435:     output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id());
duke@435:   }
duke@435:   fill_to(instr_pos);
duke@435:   output()->print("default   : B%d", x->default_sux()->block_id());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Return(Return* x) {
duke@435:   if (x->result() == NULL) {
duke@435:     output()->print("return");
duke@435:   } else {
duke@435:     output()->print("%creturn ", x->type()->tchar());
duke@435:     print_value(x->result());
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Throw(Throw* x) {
duke@435:   output()->print("throw ");
duke@435:   print_value(x->exception());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_Base(Base* x) {
duke@435:   output()->print("std entry B%d", x->std_entry()->block_id());
duke@435:   if (x->number_of_sux() > 1) {
duke@435:     output()->print(" osr entry B%d", x->osr_entry()->block_id());
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_OsrEntry(OsrEntry* x) {
duke@435:   output()->print("osr entry");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) {
duke@435:   output()->print("incoming exception");
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_RoundFP(RoundFP* x) {
duke@435:   output()->print("round_fp ");
duke@435:   print_value(x->input());
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) {
duke@435:   print_unsafe_raw_op(x, "UnsafeGetRaw");
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) {
duke@435:   print_unsafe_raw_op(x, "UnsafePutRaw");
duke@435:   output()->print(", value ");
duke@435:   print_value(x->value());
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) {
duke@435:   print_unsafe_object_op(x, "UnsafeGetObject");
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) {
duke@435:   print_unsafe_object_op(x, "UnsafePutObject");
duke@435:   output()->print(", value ");
duke@435:   print_value(x->value());
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
duke@435:   print_unsafe_object_op(x, "UnsafePrefetchRead");
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
duke@435:   print_unsafe_object_op(x, "UnsafePrefetchWrite");
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
duke@435:   output()->print("profile ");
duke@435:   print_value(x->recv());
duke@435:   output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
duke@435:   if (x->known_holder() != NULL) {
duke@435:     output()->print(", ");
duke@435:     print_klass(x->known_holder());
duke@435:   }
duke@435:   output()->put(')');
duke@435: }
duke@435: 
duke@435: 
duke@435: void InstructionPrinter::do_ProfileCounter(ProfileCounter* x) {
duke@435: 
duke@435:   ObjectConstant* oc = x->mdo()->type()->as_ObjectConstant();
duke@435:   if (oc != NULL && oc->value()->is_method() &&
duke@435:       x->offset() == methodOopDesc::interpreter_invocation_counter_offset_in_bytes()) {
duke@435:     print_value(x->mdo());
duke@435:     output()->print(".interpreter_invocation_count += %d", x->increment());
duke@435:   } else {
duke@435:     output()->print("counter [");
duke@435:     print_value(x->mdo());
duke@435:     output()->print(" + %d] += %d", x->offset(), x->increment());
duke@435:   }
duke@435: }
duke@435: 
duke@435: 
duke@435: #endif // PRODUCT