746 // pretend it has multiple defs and uses
747 return MANY_MEMORY_OPERANDS;
748 }
749 if( is_ideal_load() != Form::none ) {
750 fprintf(stderr, "Warning: cannot find memory opnd in instr.\n");
751 ((InstructForm*)this)->dump();
752 // pretend it has multiple uses and no defs
753 return MANY_MEMORY_OPERANDS;
754 }
755 }
756
757 return NO_MEMORY_OPERAND;
758 }
759
760 // This instruction captures the machine-independent bottom_type
761 // Expected use is for pointer vs oop determination for LoadP
762 bool InstructForm::captures_bottom_type(FormDict &globals) const {
763 if (_matrule && _matrule->_rChild &&
764 (!strcmp(_matrule->_rChild->_opType,"CastPP") || // new result type
765 !strcmp(_matrule->_rChild->_opType,"CastX2P") || // new result type
766 !strcmp(_matrule->_rChild->_opType,"DecodeN") ||
767 !strcmp(_matrule->_rChild->_opType,"EncodeP") ||
768 !strcmp(_matrule->_rChild->_opType,"DecodeNKlass") ||
769 !strcmp(_matrule->_rChild->_opType,"EncodePKlass") ||
770 !strcmp(_matrule->_rChild->_opType,"LoadN") ||
771 !strcmp(_matrule->_rChild->_opType,"LoadNKlass") ||
772 !strcmp(_matrule->_rChild->_opType,"CreateEx") || // type of exception
773 !strcmp(_matrule->_rChild->_opType,"CheckCastPP") ||
774 !strcmp(_matrule->_rChild->_opType,"GetAndSetP") ||
775 !strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
776 #if INCLUDE_ZGC
777 !strcmp(_matrule->_rChild->_opType,"ZGetAndSetP") ||
778 !strcmp(_matrule->_rChild->_opType,"ZCompareAndExchangeP") ||
779 !strcmp(_matrule->_rChild->_opType,"LoadBarrierSlowReg") ||
780 #endif
781 #if INCLUDE_SHENANDOAHGC
782 !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeP") ||
783 !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeN") ||
784 #endif
785 !strcmp(_matrule->_rChild->_opType,"CompareAndExchangeP") ||
786 !strcmp(_matrule->_rChild->_opType,"CompareAndExchangeN"))) return true;
787 else if ( is_ideal_load() == Form::idealP ) return true;
788 else if ( is_ideal_store() != Form::none ) return true;
789
790 if (needs_base_oop_edge(globals)) return true;
791
792 if (is_vector()) return true;
793 if (is_mach_constant()) return true;
794
795 return false;
796 }
797
798
799 // Access instr_cost attribute or return NULL.
800 const char* InstructForm::cost() {
801 for (Attribute* cur = _attribs; cur != NULL; cur = (Attribute*)cur->_next) {
802 if( strcmp(cur->_ident,AttributeForm::_ins_cost) == 0 ) {
803 return cur->_val;
804 }
805 }
806 return NULL;
807 }
808
809 // Return count of top-level operands.
810 uint InstructForm::num_opnds() {
811 int num_opnds = _components.num_operands();
812
813 // Need special handling for matching some ideal nodes
814 // i.e. Matching a return node
815 /*
865 // Return the register class associated with 'leaf'.
866 const char *InstructForm::out_reg_class(FormDict &globals) {
867 assert( false, "InstructForm::out_reg_class(FormDict &globals); Not Implemented");
868
869 return NULL;
870 }
871
872
873
874 // Lookup the starting position of inputs we are interested in wrt. ideal nodes
875 uint InstructForm::oper_input_base(FormDict &globals) {
876 if( !_matrule ) return 1; // Skip control for most nodes
877
878 // Need special handling for matching some ideal nodes
879 // i.e. Matching a return node
880 if( strcmp(_matrule->_opType,"Return" )==0 ||
881 strcmp(_matrule->_opType,"Rethrow" )==0 ||
882 strcmp(_matrule->_opType,"TailCall" )==0 ||
883 strcmp(_matrule->_opType,"TailJump" )==0 ||
884 strcmp(_matrule->_opType,"SafePoint" )==0 ||
885 strcmp(_matrule->_opType,"Halt" )==0 )
886 return AdlcVMDeps::Parms; // Skip the machine-state edges
887
888 if( _matrule->_rChild &&
889 ( strcmp(_matrule->_rChild->_opType,"AryEq" )==0 ||
890 strcmp(_matrule->_rChild->_opType,"StrComp" )==0 ||
891 strcmp(_matrule->_rChild->_opType,"StrEquals" )==0 ||
892 strcmp(_matrule->_rChild->_opType,"StrInflatedCopy" )==0 ||
893 strcmp(_matrule->_rChild->_opType,"StrCompressedCopy" )==0 ||
894 strcmp(_matrule->_rChild->_opType,"StrIndexOf")==0 ||
895 strcmp(_matrule->_rChild->_opType,"StrIndexOfChar")==0 ||
896 strcmp(_matrule->_rChild->_opType,"HasNegatives")==0 ||
897 strcmp(_matrule->_rChild->_opType,"EncodeISOArray")==0)) {
898 // String.(compareTo/equals/indexOf) and Arrays.equals
899 // and sun.nio.cs.iso8859_1$Encoder.EncodeISOArray
900 // take 1 control and 1 memory edges.
901 // Also String.(compressedCopy/inflatedCopy).
902 return 2;
903 }
904
905 // Check for handling of 'Memory' input/edge in the ideal world.
|
746 // pretend it has multiple defs and uses
747 return MANY_MEMORY_OPERANDS;
748 }
749 if( is_ideal_load() != Form::none ) {
750 fprintf(stderr, "Warning: cannot find memory opnd in instr.\n");
751 ((InstructForm*)this)->dump();
752 // pretend it has multiple uses and no defs
753 return MANY_MEMORY_OPERANDS;
754 }
755 }
756
757 return NO_MEMORY_OPERAND;
758 }
759
760 // This instruction captures the machine-independent bottom_type
761 // Expected use is for pointer vs oop determination for LoadP
762 bool InstructForm::captures_bottom_type(FormDict &globals) const {
763 if (_matrule && _matrule->_rChild &&
764 (!strcmp(_matrule->_rChild->_opType,"CastPP") || // new result type
765 !strcmp(_matrule->_rChild->_opType,"CastX2P") || // new result type
766 !strcmp(_matrule->_rChild->_opType,"CastI2N") || // new result type
767 !strcmp(_matrule->_rChild->_opType,"DecodeN") ||
768 !strcmp(_matrule->_rChild->_opType,"EncodeP") ||
769 !strcmp(_matrule->_rChild->_opType,"DecodeNKlass") ||
770 !strcmp(_matrule->_rChild->_opType,"EncodePKlass") ||
771 !strcmp(_matrule->_rChild->_opType,"LoadN") ||
772 !strcmp(_matrule->_rChild->_opType,"LoadNKlass") ||
773 !strcmp(_matrule->_rChild->_opType,"CreateEx") || // type of exception
774 !strcmp(_matrule->_rChild->_opType,"CheckCastPP") ||
775 !strcmp(_matrule->_rChild->_opType,"GetAndSetP") ||
776 !strcmp(_matrule->_rChild->_opType,"GetAndSetN") ||
777 #if INCLUDE_ZGC
778 !strcmp(_matrule->_rChild->_opType,"ZGetAndSetP") ||
779 !strcmp(_matrule->_rChild->_opType,"ZCompareAndExchangeP") ||
780 !strcmp(_matrule->_rChild->_opType,"LoadBarrierSlowReg") ||
781 #endif
782 #if INCLUDE_SHENANDOAHGC
783 !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeP") ||
784 !strcmp(_matrule->_rChild->_opType,"ShenandoahCompareAndExchangeN") ||
785 #endif
786 !strcmp(_matrule->_rChild->_opType,"CompareAndExchangeP") ||
787 !strcmp(_matrule->_rChild->_opType,"CompareAndExchangeN"))) return true;
788 else if ( is_ideal_load() == Form::idealP ) return true;
789 else if ( is_ideal_store() != Form::none ) return true;
790
791 if (needs_base_oop_edge(globals)) return true;
792
793 if (is_vector()) return true;
794 if (is_mach_constant()) return true;
795
796 return false;
797 }
798
799
800 // Access instr_cost attribute or return NULL.
801 const char* InstructForm::cost() {
802 for (Attribute* cur = _attribs; cur != NULL; cur = (Attribute*)cur->_next) {
803 if( strcmp(cur->_ident,AttributeForm::_ins_cost) == 0 ) {
804 return cur->_val;
805 }
806 }
807 return NULL;
808 }
809
810 // Return count of top-level operands.
811 uint InstructForm::num_opnds() {
812 int num_opnds = _components.num_operands();
813
814 // Need special handling for matching some ideal nodes
815 // i.e. Matching a return node
816 /*
866 // Return the register class associated with 'leaf'.
867 const char *InstructForm::out_reg_class(FormDict &globals) {
868 assert( false, "InstructForm::out_reg_class(FormDict &globals); Not Implemented");
869
870 return NULL;
871 }
872
873
874
875 // Lookup the starting position of inputs we are interested in wrt. ideal nodes
876 uint InstructForm::oper_input_base(FormDict &globals) {
877 if( !_matrule ) return 1; // Skip control for most nodes
878
879 // Need special handling for matching some ideal nodes
880 // i.e. Matching a return node
881 if( strcmp(_matrule->_opType,"Return" )==0 ||
882 strcmp(_matrule->_opType,"Rethrow" )==0 ||
883 strcmp(_matrule->_opType,"TailCall" )==0 ||
884 strcmp(_matrule->_opType,"TailJump" )==0 ||
885 strcmp(_matrule->_opType,"SafePoint" )==0 ||
886 strcmp(_matrule->_opType,"Halt" )==0 ||
887 strcmp(_matrule->_opType,"CallLeafNoFP")==0)
888 return AdlcVMDeps::Parms; // Skip the machine-state edges
889
890 if( _matrule->_rChild &&
891 ( strcmp(_matrule->_rChild->_opType,"AryEq" )==0 ||
892 strcmp(_matrule->_rChild->_opType,"StrComp" )==0 ||
893 strcmp(_matrule->_rChild->_opType,"StrEquals" )==0 ||
894 strcmp(_matrule->_rChild->_opType,"StrInflatedCopy" )==0 ||
895 strcmp(_matrule->_rChild->_opType,"StrCompressedCopy" )==0 ||
896 strcmp(_matrule->_rChild->_opType,"StrIndexOf")==0 ||
897 strcmp(_matrule->_rChild->_opType,"StrIndexOfChar")==0 ||
898 strcmp(_matrule->_rChild->_opType,"HasNegatives")==0 ||
899 strcmp(_matrule->_rChild->_opType,"EncodeISOArray")==0)) {
900 // String.(compareTo/equals/indexOf) and Arrays.equals
901 // and sun.nio.cs.iso8859_1$Encoder.EncodeISOArray
902 // take 1 control and 1 memory edges.
903 // Also String.(compressedCopy/inflatedCopy).
904 return 2;
905 }
906
907 // Check for handling of 'Memory' input/edge in the ideal world.
|