jdk8-mips64-public/hotspot: src/share/vm/c1/c1_InstructionPrinter.cpp@46f6f063b272 (annotated)

src/share/vm/c1/c1_InstructionPrinter.cpp@46f6f063b272 (annotated)

src/share/vm/c1/c1_InstructionPrinter.cpp

Thu, 21 Mar 2013 09:27:54 +0100

author: roland
date: Thu, 21 Mar 2013 09:27:54 +0100
changeset 4860: 46f6f063b272
parent 4465: 203f64878aab
child 4947: acadb114c818
permissions: -rw-r--r--

7153771: array bound check elimination for c1
Summary: when possible optimize out array bound checks, inserting predicates when needed.
Reviewed-by: never, kvn, twisti
Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>

 /*
  * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "precompiled.hpp"
 #include "c1/c1_InstructionPrinter.hpp"
 #include "c1/c1_ValueStack.hpp"
 #include "ci/ciArray.hpp"
 #include "ci/ciInstance.hpp"
 #include "ci/ciObject.hpp"
 #ifndef PRODUCT
 const char* InstructionPrinter::basic_type_name(BasicType type) {
   switch (type) {
     case T_BOOLEAN: return "boolean";
     case T_BYTE   : return "byte";
     case T_CHAR   : return "char";
     case T_SHORT  : return "short";
     case T_INT    : return "int";
     case T_LONG   : return "long";
     case T_FLOAT  : return "float";
     case T_DOUBLE : return "double";
     case T_ARRAY  : return "array";
     case T_OBJECT : return "object";
     default       : return "???";
   }
 }
 const char* InstructionPrinter::cond_name(If::Condition cond) {
   switch (cond) {
     case If::eql: return "==";
     case If::neq: return "!=";
     case If::lss: return "<";
     case If::leq: return "<=";
     case If::gtr: return ">";
     case If::geq: return ">=";
     case If::aeq: return "|>=|";
     case If::beq: return "|<=|";
   }
   ShouldNotReachHere();
   return NULL;
 }
 const char* InstructionPrinter::op_name(Bytecodes::Code op) {
   switch (op) {
     // arithmetic ops
     case Bytecodes::_iadd : // fall through
     case Bytecodes::_ladd : // fall through
     case Bytecodes::_fadd : // fall through
     case Bytecodes::_dadd : return "+";
     case Bytecodes::_isub : // fall through
     case Bytecodes::_lsub : // fall through
     case Bytecodes::_fsub : // fall through
     case Bytecodes::_dsub : return "-";
     case Bytecodes::_imul : // fall through
     case Bytecodes::_lmul : // fall through
     case Bytecodes::_fmul : // fall through
     case Bytecodes::_dmul : return "*";
     case Bytecodes::_idiv : // fall through
     case Bytecodes::_ldiv : // fall through
     case Bytecodes::_fdiv : // fall through
     case Bytecodes::_ddiv : return "/";
     case Bytecodes::_irem : // fall through
     case Bytecodes::_lrem : // fall through
     case Bytecodes::_frem : // fall through
     case Bytecodes::_drem : return "%";
     // shift ops
     case Bytecodes::_ishl : // fall through
     case Bytecodes::_lshl : return "<<";
     case Bytecodes::_ishr : // fall through
     case Bytecodes::_lshr : return ">>";
     case Bytecodes::_iushr: // fall through
     case Bytecodes::_lushr: return ">>>";
     // logic ops
     case Bytecodes::_iand : // fall through
     case Bytecodes::_land : return "&";
     case Bytecodes::_ior  : // fall through
     case Bytecodes::_lor  : return "|";
     case Bytecodes::_ixor : // fall through
     case Bytecodes::_lxor : return "^";
   }
   return Bytecodes::name(op);
 }
 bool InstructionPrinter::is_illegal_phi(Value v) {
   Phi* phi = v ? v->as_Phi() : NULL;
   if (phi && phi->is_illegal()) {
     return true;
   }
   return false;
 }
 bool InstructionPrinter::is_phi_of_block(Value v, BlockBegin* b) {
   Phi* phi = v ? v->as_Phi() : NULL;
   return phi && phi->block() == b;
 }
 void InstructionPrinter::print_klass(ciKlass* klass) {
   klass->name()->print_symbol_on(output());
 }
 void InstructionPrinter::print_object(Value obj) {
   ValueType* type = obj->type();
   if (type->as_ObjectConstant() != NULL) {
     ciObject* value = type->as_ObjectConstant()->value();
     if (value->is_null_object()) {
       output()->print("null");
     } else if (!value->is_loaded()) {
       output()->print("<unloaded object " PTR_FORMAT ">", value);
     } else {
       output()->print("<object " PTR_FORMAT " klass=", value->constant_encoding());
       print_klass(value->klass());
       output()->print(">");
     }
   } else if (type->as_InstanceConstant() != NULL) {
     ciInstance* value = type->as_InstanceConstant()->value();
     if (value->is_loaded()) {
       output()->print("<instance " PTR_FORMAT " klass=", value->constant_encoding());
       print_klass(value->klass());
       output()->print(">");
     } else {
       output()->print("<unloaded instance " PTR_FORMAT ">", value);
     }
   } else if (type->as_ArrayConstant() != NULL) {
     output()->print("<array " PTR_FORMAT ">", type->as_ArrayConstant()->value()->constant_encoding());
   } else if (type->as_ClassConstant() != NULL) {
     ciInstanceKlass* klass = type->as_ClassConstant()->value();
     if (!klass->is_loaded()) {
       output()->print("<unloaded> ");
     }
     output()->print("class ");
     print_klass(klass);
   } else if (type->as_MethodConstant() != NULL) {
     ciMethod* m = type->as_MethodConstant()->value();
     output()->print("<method %s.%s>", m->holder()->name()->as_utf8(), m->name()->as_utf8());
   } else {
     output()->print("???");
   }
 }
 void InstructionPrinter::print_temp(Value value) {
   output()->print("%c%d", value->type()->tchar(), value->id());
 }
 void InstructionPrinter::print_field(AccessField* field) {
   print_value(field->obj());
   output()->print("._%d", field->offset());
 }
 void InstructionPrinter::print_indexed(AccessIndexed* indexed) {
   print_value(indexed->array());
   output()->put('[');
   print_value(indexed->index());
   output()->put(']');
   if (indexed->length() != NULL) {
     output()->put('(');
     print_value(indexed->length());
     output()->put(')');
   }
 }
 void InstructionPrinter::print_monitor(AccessMonitor* monitor) {
   output()->print("monitor[%d](", monitor->monitor_no());
   print_value(monitor->obj());
   output()->put(')');
 }
 void InstructionPrinter::print_op2(Op2* instr) {
   print_value(instr->x());
   output()->print(" %s ", op_name(instr->op()));
   print_value(instr->y());
 }
 void InstructionPrinter::print_value(Value value) {
   if (value == NULL) {
     output()->print("NULL");
   } else {
     print_temp(value);
   }
 }
 void InstructionPrinter::print_instr(Instruction* instr) {
   instr->visit(this);
 }
 void InstructionPrinter::print_stack(ValueStack* stack) {
   int start_position = output()->position();
   if (stack->stack_is_empty()) {
     output()->print("empty stack");
   } else {
     output()->print("stack [");
     for (int i = 0; i < stack->stack_size();) {
       if (i > 0) output()->print(", ");
       output()->print("%d:", i);
       Value value = stack->stack_at_inc(i);
       print_value(value);
       Phi* phi = value->as_Phi();
       if (phi != NULL) {
         if (phi->operand()->is_valid()) {
           output()->print(" ");
           phi->operand()->print(output());
         }
       }
     }
     output()->put(']');
   }
   if (!stack->no_active_locks()) {
     // print out the lines on the line below this
     // one at the same indentation level.
     output()->cr();
     fill_to(start_position, ' ');
     output()->print("locks [");
     for (int i = i = 0; i < stack->locks_size(); i++) {
       Value t = stack->lock_at(i);
       if (i > 0) output()->print(", ");
       output()->print("%d:", i);
       if (t == NULL) {
         // synchronized methods push null on the lock stack
         output()->print("this");
       } else {
         print_value(t);
       }
     }
     output()->print("]");
   }
 }
 void InstructionPrinter::print_inline_level(BlockBegin* block) {
   output()->print_cr("inlining depth %d", block->scope()->level());
 }
 void InstructionPrinter::print_unsafe_op(UnsafeOp* op, const char* name) {
   output()->print(name);
   output()->print(".(");
 }
 void InstructionPrinter::print_unsafe_raw_op(UnsafeRawOp* op, const char* name) {
   print_unsafe_op(op, name);
   output()->print("base ");
   print_value(op->base());
   if (op->has_index()) {
     output()->print(", index "); print_value(op->index());
     output()->print(", log2_scale %d", op->log2_scale());
   }
 }
 void InstructionPrinter::print_unsafe_object_op(UnsafeObjectOp* op, const char* name) {
   print_unsafe_op(op, name);
   print_value(op->object());
   output()->print(", ");
   print_value(op->offset());
 }
 void InstructionPrinter::print_phi(int i, Value v, BlockBegin* b) {
   Phi* phi = v->as_Phi();
   output()->print("%2d  ", i);
   print_value(v);
   // print phi operands
   if (phi && phi->block() == b) {
     output()->print(" [");
     for (int j = 0; j < phi->operand_count(); j ++) {
       output()->print(" ");
       Value opd = phi->operand_at(j);
       if (opd) print_value(opd);
       else output()->print("NULL");
     }
     output()->print("] ");
   }
   print_alias(v);
 }
 void InstructionPrinter::print_alias(Value v) {
   if (v != v->subst()) {
     output()->print("alias "); print_value(v->subst());
   }
 }
 void InstructionPrinter::fill_to(int pos, char filler) {
   while (output()->position() < pos) output()->put(filler);
 }
 void InstructionPrinter::print_head() {
   const char filler = '_';
   fill_to(bci_pos  , filler); output()->print("bci"  );
   fill_to(use_pos  , filler); output()->print("use"  );
   fill_to(temp_pos , filler); output()->print("tid"  );
   fill_to(instr_pos, filler); output()->print("instr");
   fill_to(end_pos  , filler);
   output()->cr();
 }
 void InstructionPrinter::print_line(Instruction* instr) {
   // print instruction data on one line
   if (instr->is_pinned()) output()->put('.');
   fill_to(bci_pos  ); output()->print("%d", instr->printable_bci());
   fill_to(use_pos  ); output()->print("%d", instr->use_count());
   fill_to(temp_pos ); print_temp(instr);
   fill_to(instr_pos); print_instr(instr);
   output()->cr();
   // add a line for StateSplit instructions w/ non-empty stacks
   // (make it robust so we can print incomplete instructions)
   StateSplit* split = instr->as_StateSplit();
   if (split != NULL && split->state() != NULL && !split->state()->stack_is_empty()) {
     fill_to(instr_pos); print_stack(split->state());
     output()->cr();
   }
 }
 void InstructionPrinter::do_Phi(Phi* x) {
   output()->print("phi function");  // make that more detailed later
   if (x->is_illegal())
     output()->print(" (illegal)");
 }
 void InstructionPrinter::do_Local(Local* x) {
   output()->print("local[index %d]", x->java_index());
 }
 void InstructionPrinter::do_Constant(Constant* x) {
   ValueType* t = x->type();
   switch (t->tag()) {
     case intTag    : output()->print("%d"  , t->as_IntConstant   ()->value());    break;
     case longTag   : output()->print(JLONG_FORMAT, t->as_LongConstant()->value()); output()->print("L"); break;
     case floatTag  : output()->print("%g"  , t->as_FloatConstant ()->value());    break;
     case doubleTag : output()->print("%gD" , t->as_DoubleConstant()->value());    break;
     case objectTag : print_object(x);                                        break;
     case addressTag: output()->print("bci:%d", t->as_AddressConstant()->value()); break;
     default        : output()->print("???");                                      break;
   }
 }
 void InstructionPrinter::do_LoadField(LoadField* x) {
   print_field(x);
   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
   output()->print(" %s", x->field()->name()->as_utf8());
 }
 void InstructionPrinter::do_StoreField(StoreField* x) {
   print_field(x);
   output()->print(" := ");
   print_value(x->value());
   output()->print(" (%c)", type2char(x->field()->type()->basic_type()));
   output()->print(" %s", x->field()->name()->as_utf8());
 }
 void InstructionPrinter::do_ArrayLength(ArrayLength* x) {
   print_value(x->array());
   output()->print(".length");
 }
 void InstructionPrinter::do_LoadIndexed(LoadIndexed* x) {
   print_indexed(x);
   output()->print(" (%c)", type2char(x->elt_type()));
   if (x->check_flag(Instruction::NeedsRangeCheckFlag)) {
     output()->print(" [rc]");
   }
 }
 void InstructionPrinter::do_StoreIndexed(StoreIndexed* x) {
   print_indexed(x);
   output()->print(" := ");
   print_value(x->value());
   output()->print(" (%c)", type2char(x->elt_type()));
   if (x->check_flag(Instruction::NeedsRangeCheckFlag)) {
     output()->print(" [rc]");
   }
 }
 void InstructionPrinter::do_NegateOp(NegateOp* x) {
   output()->put('-');
   print_value(x->x());
 }
 void InstructionPrinter::do_ArithmeticOp(ArithmeticOp* x) {
   print_op2(x);
 }
 void InstructionPrinter::do_ShiftOp(ShiftOp* x) {
   print_op2(x);
 }
 void InstructionPrinter::do_LogicOp(LogicOp* x) {
   print_op2(x);
 }
 void InstructionPrinter::do_CompareOp(CompareOp* x) {
   print_op2(x);
 }
 void InstructionPrinter::do_IfOp(IfOp* x) {
   print_value(x->x());
   output()->print(" %s ", cond_name(x->cond()));
   print_value(x->y());
   output()->print(" ? ");
   print_value(x->tval());
   output()->print(" : ");
   print_value(x->fval());
 }
 void InstructionPrinter::do_Convert(Convert* x) {
   output()->print("%s(", Bytecodes::name(x->op()));
   print_value(x->value());
   output()->put(')');
 }
 void InstructionPrinter::do_NullCheck(NullCheck* x) {
   output()->print("null_check(");
   print_value(x->obj());
   output()->put(')');
   if (!x->can_trap()) {
     output()->print(" (eliminated)");
   }
 }
 void InstructionPrinter::do_TypeCast(TypeCast* x) {
   output()->print("type_cast(");
   print_value(x->obj());
   output()->print(") ");
   if (x->declared_type()->is_klass())
     print_klass(x->declared_type()->as_klass());
   else
     output()->print(type2name(x->declared_type()->basic_type()));
 }
 void InstructionPrinter::do_Invoke(Invoke* x) {
   if (x->receiver() != NULL) {
     print_value(x->receiver());
     output()->print(".");
   }
   output()->print("%s(", Bytecodes::name(x->code()));
   for (int i = 0; i < x->number_of_arguments(); i++) {
     if (i > 0) output()->print(", ");
     print_value(x->argument_at(i));
   }
   output()->print_cr(")");
   fill_to(instr_pos);
   output()->print("%s.%s%s",
              x->target()->holder()->name()->as_utf8(),
              x->target()->name()->as_utf8(),
              x->target()->signature()->as_symbol()->as_utf8());
 }
 void InstructionPrinter::do_NewInstance(NewInstance* x) {
   output()->print("new instance ");
   print_klass(x->klass());
 }
 void InstructionPrinter::do_NewTypeArray(NewTypeArray* x) {
   output()->print("new %s array [", basic_type_name(x->elt_type()));
   print_value(x->length());
   output()->put(']');
 }
 void InstructionPrinter::do_NewObjectArray(NewObjectArray* x) {
   output()->print("new object array [");
   print_value(x->length());
   output()->print("] ");
   print_klass(x->klass());
 }
 void InstructionPrinter::do_NewMultiArray(NewMultiArray* x) {
   output()->print("new multi array [");
   Values* dims = x->dims();
   for (int i = 0; i < dims->length(); i++) {
     if (i > 0) output()->print(", ");
     print_value(dims->at(i));
   }
   output()->print("] ");
   print_klass(x->klass());
 }
 void InstructionPrinter::do_MonitorEnter(MonitorEnter* x) {
   output()->print("enter ");
   print_monitor(x);
 }
 void InstructionPrinter::do_MonitorExit(MonitorExit* x) {
   output()->print("exit ");
   print_monitor(x);
 }
 void InstructionPrinter::do_Intrinsic(Intrinsic* x) {
   const char* name = vmIntrinsics::name_at(x->id());
   if (name[0] == '_')  name++;  // strip leading bug from _hashCode, etc.
   const char* kname = vmSymbols::name_for(vmIntrinsics::class_for(x->id()));
   if (strchr(name, '_') == NULL) {
     kname = NULL;
   } else {
     const char* kptr = strrchr(kname, '/');
     if (kptr != NULL)  kname = kptr + 1;
   }
   if (kname == NULL)
     output()->print("%s(", name);
   else
     output()->print("%s.%s(", kname, name);
   for (int i = 0; i < x->number_of_arguments(); i++) {
     if (i > 0) output()->print(", ");
     print_value(x->argument_at(i));
   }
   output()->put(')');
 }
 void InstructionPrinter::do_BlockBegin(BlockBegin* x) {
   // print block id
   BlockEnd* end = x->end();
   output()->print("B%d ", x->block_id());
   // print flags
   bool printed_flag = false;
   if (x->is_set(BlockBegin::std_entry_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("S"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::osr_entry_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("O"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::exception_entry_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("E"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::subroutine_entry_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("s"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::parser_loop_header_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("LH"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::backward_branch_target_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("b"); printed_flag = true;
   }
   if (x->is_set(BlockBegin::was_visited_flag)) {
     if (!printed_flag) output()->print("(");
     output()->print("V"); printed_flag = true;
   }
   if (printed_flag) output()->print(") ");
   // print block bci range
   output()->print("[%d, %d]", x->bci(), (end == NULL ? -1 : end->printable_bci()));
   // print block successors
   if (end != NULL && end->number_of_sux() > 0) {
     output()->print(" ->");
     for (int i = 0; i < end->number_of_sux(); i++) {
       output()->print(" B%d", end->sux_at(i)->block_id());
     }
   }
   // print exception handlers
   if (x->number_of_exception_handlers() > 0) {
     output()->print(" (xhandlers ");
     for (int i = 0; i < x->number_of_exception_handlers();  i++) {
       if (i > 0) output()->print(" ");
       output()->print("B%d", x->exception_handler_at(i)->block_id());
     }
     output()->put(')');
   }
   // print dominator block
   if (x->dominator() != NULL) {
     output()->print(" dom B%d", x->dominator()->block_id());
   }
   // print predecessors and successors
   if (x->successors()->length() > 0) {
     output()->print(" sux:");
     for (int i = 0; i < x->successors()->length(); i ++) {
       output()->print(" B%d", x->successors()->at(i)->block_id());
     }
   }
   if (x->number_of_preds() > 0) {
     output()->print(" pred:");
     for (int i = 0; i < x->number_of_preds(); i ++) {
       output()->print(" B%d", x->pred_at(i)->block_id());
     }
   }
   if (!_print_phis) {
     return;
   }
   // print phi functions
   bool has_phis_in_locals = false;
   bool has_phis_on_stack = false;
   if (x->end() && x->end()->state()) {
     ValueStack* state = x->state();
     int i = 0;
     while (!has_phis_on_stack && i < state->stack_size()) {
       Value v = state->stack_at_inc(i);
       has_phis_on_stack = is_phi_of_block(v, x);
     }
     do {
       for (i = 0; !has_phis_in_locals && i < state->locals_size();) {
         Value v = state->local_at(i);
         has_phis_in_locals = is_phi_of_block(v, x);
         // also ignore illegal HiWords
         if (v && !v->type()->is_illegal()) i += v->type()->size(); else i ++;
       }
       state = state->caller_state();
     } while (state != NULL);
   }
   // print values in locals
   if (has_phis_in_locals) {
     output()->cr(); output()->print_cr("Locals:");
     ValueStack* state = x->state();
     do {
       for (int i = 0; i < state->locals_size();) {
         Value v = state->local_at(i);
         if (v) {
           print_phi(i, v, x); output()->cr();
           // also ignore illegal HiWords
           i += (v->type()->is_illegal() ? 1 : v->type()->size());
         } else {
           i ++;
         }
       }
       output()->cr();
       state = state->caller_state();
     } while (state != NULL);
   }
   // print values on stack
   if (has_phis_on_stack) {
     output()->print_cr("Stack:");
     int i = 0;
     while (i < x->state()->stack_size()) {
       int o = i;
       Value v = x->state()->stack_at_inc(i);
       if (v) {
         print_phi(o, v, x); output()->cr();
       }
     }
   }
 }
 void InstructionPrinter::do_CheckCast(CheckCast* x) {
   output()->print("checkcast(");
   print_value(x->obj());
   output()->print(") ");
   print_klass(x->klass());
 }
 void InstructionPrinter::do_InstanceOf(InstanceOf* x) {
   output()->print("instanceof(");
   print_value(x->obj());
   output()->print(") ");
   print_klass(x->klass());
 }
 void InstructionPrinter::do_Goto(Goto* x) {
   output()->print("goto B%d", x->default_sux()->block_id());
   if (x->is_safepoint()) output()->print(" (safepoint)");
 }
 void InstructionPrinter::do_If(If* x) {
   output()->print("if ");
   print_value(x->x());
   output()->print(" %s ", cond_name(x->cond()));
   print_value(x->y());
   output()->print(" then B%d else B%d", x->sux_at(0)->block_id(), x->sux_at(1)->block_id());
   if (x->is_safepoint()) output()->print(" (safepoint)");
 }
 void InstructionPrinter::do_IfInstanceOf(IfInstanceOf* x) {
   output()->print("<IfInstanceOf>");
 }
 void InstructionPrinter::do_TableSwitch(TableSwitch* x) {
   output()->print("tableswitch ");
   if (x->is_safepoint()) output()->print("(safepoint) ");
   print_value(x->tag());
   output()->cr();
   int l = x->length();
   for (int i = 0; i < l; i++) {
     fill_to(instr_pos);
     output()->print_cr("case %5d: B%d", x->lo_key() + i, x->sux_at(i)->block_id());
   }
   fill_to(instr_pos);
   output()->print("default   : B%d", x->default_sux()->block_id());
 }
 void InstructionPrinter::do_LookupSwitch(LookupSwitch* x) {
   output()->print("lookupswitch ");
   if (x->is_safepoint()) output()->print("(safepoint) ");
   print_value(x->tag());
   output()->cr();
   int l = x->length();
   for (int i = 0; i < l; i++) {
     fill_to(instr_pos);
     output()->print_cr("case %5d: B%d", x->key_at(i), x->sux_at(i)->block_id());
   }
   fill_to(instr_pos);
   output()->print("default   : B%d", x->default_sux()->block_id());
 }
 void InstructionPrinter::do_Return(Return* x) {
   if (x->result() == NULL) {
     output()->print("return");
   } else {
     output()->print("%creturn ", x->type()->tchar());
     print_value(x->result());
   }
 }
 void InstructionPrinter::do_Throw(Throw* x) {
   output()->print("throw ");
   print_value(x->exception());
 }
 void InstructionPrinter::do_Base(Base* x) {
   output()->print("std entry B%d", x->std_entry()->block_id());
   if (x->number_of_sux() > 1) {
     output()->print(" osr entry B%d", x->osr_entry()->block_id());
   }
 }
 void InstructionPrinter::do_OsrEntry(OsrEntry* x) {
   output()->print("osr entry");
 }
 void InstructionPrinter::do_ExceptionObject(ExceptionObject* x) {
   output()->print("incoming exception");
 }
 void InstructionPrinter::do_RoundFP(RoundFP* x) {
   output()->print("round_fp ");
   print_value(x->input());
 }
 void InstructionPrinter::do_UnsafeGetRaw(UnsafeGetRaw* x) {
   print_unsafe_raw_op(x, "UnsafeGetRaw");
   output()->put(')');
 }
 void InstructionPrinter::do_UnsafePutRaw(UnsafePutRaw* x) {
   print_unsafe_raw_op(x, "UnsafePutRaw");
   output()->print(", value ");
   print_value(x->value());
   output()->put(')');
 }
 void InstructionPrinter::do_UnsafeGetObject(UnsafeGetObject* x) {
   print_unsafe_object_op(x, "UnsafeGetObject");
   output()->put(')');
 }
 void InstructionPrinter::do_UnsafePutObject(UnsafePutObject* x) {
   print_unsafe_object_op(x, "UnsafePutObject");
   output()->print(", value ");
   print_value(x->value());
   output()->put(')');
 }
 void InstructionPrinter::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) {
   print_unsafe_object_op(x, x->is_add()?"UnsafeGetAndSetObject (add)":"UnsafeGetAndSetObject");
   output()->print(", value ");
   print_value(x->value());
   output()->put(')');
 }
 void InstructionPrinter::do_UnsafePrefetchRead(UnsafePrefetchRead* x) {
   print_unsafe_object_op(x, "UnsafePrefetchRead");
   output()->put(')');
 }
 void InstructionPrinter::do_RangeCheckPredicate(RangeCheckPredicate* x) {
   if (x->x() != NULL && x->y() != NULL) {
     output()->print("if ");
     print_value(x->x());
     output()->print(" %s ", cond_name(x->cond()));
     print_value(x->y());
     output()->print(" then deoptimize!");
   } else {
     output()->print("always deoptimize!");
   }
 }
 void InstructionPrinter::do_Assert(Assert* x) {
   output()->print("assert ");
   print_value(x->x());
   output()->print(" %s ", cond_name(x->cond()));
   print_value(x->y());
 }
 void InstructionPrinter::do_UnsafePrefetchWrite(UnsafePrefetchWrite* x) {
   print_unsafe_object_op(x, "UnsafePrefetchWrite");
   output()->put(')');
 }
 void InstructionPrinter::do_ProfileCall(ProfileCall* x) {
   output()->print("profile ");
   print_value(x->recv());
   output()->print(" %s.%s", x->method()->holder()->name()->as_utf8(), x->method()->name()->as_utf8());
   if (x->known_holder() != NULL) {
     output()->print(", ");
     print_klass(x->known_holder());
   }
   output()->put(')');
 }
 void InstructionPrinter::do_ProfileInvoke(ProfileInvoke* x) {
   output()->print("profile_invoke ");
   output()->print(" %s.%s", x->inlinee()->holder()->name()->as_utf8(), x->inlinee()->name()->as_utf8());
   output()->put(')');
 }
 void InstructionPrinter::do_RuntimeCall(RuntimeCall* x) {
   output()->print("call_rt %s(", x->entry_name());
   for (int i = 0; i < x->number_of_arguments(); i++) {
     if (i > 0) output()->print(", ");
     print_value(x->argument_at(i));
   }
   output()->put(')');
 }
 void InstructionPrinter::do_MemBar(MemBar* x) {
   if (os::is_MP()) {
     LIR_Code code = x->code();
     switch (code) {
       case lir_membar_acquire   : output()->print("membar_acquire"); break;
       case lir_membar_release   : output()->print("membar_release"); break;
       case lir_membar           : output()->print("membar"); break;
       case lir_membar_loadload  : output()->print("membar_loadload"); break;
       case lir_membar_storestore: output()->print("membar_storestore"); break;
       case lir_membar_loadstore : output()->print("membar_loadstore"); break;
       case lir_membar_storeload : output()->print("membar_storeload"); break;
       default                   : ShouldNotReachHere(); break;
     }
   }
 }
 #endif // PRODUCT

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/c1/c1_InstructionPrinter.cpp@46f6f063b272 (annotated)

src/share/vm/c1/c1_InstructionPrinter.cpp