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comparison src/share/vm/opto/output.cpp @ 331:cecd8eb4e0ca

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6706829: Compressed Oops: add debug info for narrow oops Summary: Add support for narrow oops in debug info to avoid decoding. Reviewed-by: rasbold, never
author kvn
date Wed, 10 Sep 2008 18:23:32 -0700
parents 9c2ecc2ffb12
children 4d9884b01ba6
comparison
equal deleted inserted replaced
330:1c6e3bfb543a 331:cecd8eb4e0ca
683 array->append(new_loc_value( _regalloc, regnum, Matcher::float_in_double 683 array->append(new_loc_value( _regalloc, regnum, Matcher::float_in_double
684 ? Location::float_in_dbl : Location::normal )); 684 ? Location::float_in_dbl : Location::normal ));
685 } else if( t->base() == Type::Int && OptoReg::is_reg(regnum) ) { 685 } else if( t->base() == Type::Int && OptoReg::is_reg(regnum) ) {
686 array->append(new_loc_value( _regalloc, regnum, Matcher::int_in_long 686 array->append(new_loc_value( _regalloc, regnum, Matcher::int_in_long
687 ? Location::int_in_long : Location::normal )); 687 ? Location::int_in_long : Location::normal ));
688 } else if( t->base() == Type::NarrowOop ) {
689 array->append(new_loc_value( _regalloc, regnum, Location::narrowoop ));
688 } else { 690 } else {
689 array->append(new_loc_value( _regalloc, regnum, _regalloc->is_oop(local) ? Location::oop : Location::normal )); 691 array->append(new_loc_value( _regalloc, regnum, _regalloc->is_oop(local) ? Location::oop : Location::normal ));
690 } 692 }
691 return; 693 return;
692 } 694 }
701 break; 703 break;
702 case Type::AryPtr: 704 case Type::AryPtr:
703 case Type::InstPtr: 705 case Type::InstPtr:
704 case Type::KlassPtr: // fall through 706 case Type::KlassPtr: // fall through
705 array->append(new ConstantOopWriteValue(t->isa_oopptr()->const_oop()->encoding())); 707 array->append(new ConstantOopWriteValue(t->isa_oopptr()->const_oop()->encoding()));
708 break;
709 case Type::NarrowOop:
710 if (t == TypeNarrowOop::NULL_PTR) {
711 array->append(new ConstantOopWriteValue(NULL));
712 } else {
713 array->append(new ConstantOopWriteValue(t->make_ptr()->isa_oopptr()->const_oop()->encoding()));
714 }
706 break; 715 break;
707 case Type::Int: 716 case Type::Int:
708 array->append(new ConstantIntValue(t->is_int()->get_con())); 717 array->append(new ConstantIntValue(t->is_int()->get_con()));
709 break; 718 break;
710 case Type::RawPtr: 719 case Type::RawPtr:
876 } 885 }
877 scval = sv; 886 scval = sv;
878 } 887 }
879 } else if( !obj_node->is_Con() ) { 888 } else if( !obj_node->is_Con() ) {
880 OptoReg::Name obj_reg = _regalloc->get_reg_first(obj_node); 889 OptoReg::Name obj_reg = _regalloc->get_reg_first(obj_node);
881 scval = new_loc_value( _regalloc, obj_reg, Location::oop ); 890 if( obj_node->bottom_type()->base() == Type::NarrowOop ) {
891 scval = new_loc_value( _regalloc, obj_reg, Location::narrowoop );
892 } else {
893 scval = new_loc_value( _regalloc, obj_reg, Location::oop );
894 }
882 } else { 895 } else {
883 scval = new ConstantOopWriteValue(obj_node->bottom_type()->is_instptr()->const_oop()->encoding()); 896 const TypePtr *tp = obj_node->bottom_type()->make_ptr();
897 scval = new ConstantOopWriteValue(tp->is_instptr()->const_oop()->encoding());
884 } 898 }
885 899
886 OptoReg::Name box_reg = BoxLockNode::stack_slot(box_node); 900 OptoReg::Name box_reg = BoxLockNode::stack_slot(box_node);
887 Location basic_lock = Location::new_stk_loc(Location::normal,_regalloc->reg2offset(box_reg)); 901 Location basic_lock = Location::new_stk_loc(Location::normal,_regalloc->reg2offset(box_reg));
888 monarray->append(new MonitorValue(scval, basic_lock, box_node->as_BoxLock()->is_eliminated())); 902 monarray->append(new MonitorValue(scval, basic_lock, box_node->as_BoxLock()->is_eliminated()));