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comparison src/share/vm/classfile/javaClasses.hpp @ 3905:c26de9aef2ed

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7071307: MethodHandle bimorphic inlining should consider the frequency Reviewed-by: twisti, roland, kvn, iveresov
author never
date Fri, 02 Sep 2011 20:58:21 -0700
parents 0b80db433fcb
children b0efc7ee3b31
comparison
equal deleted inserted replaced
3902:11a4af030e4b 3905:c26de9aef2ed
979 979
980 static int conversion_offset_in_bytes() { return _conversion_offset; } 980 static int conversion_offset_in_bytes() { return _conversion_offset; }
981 }; 981 };
982 982
983 983
984 // A simple class that maintains an invocation count
985 class java_lang_invoke_CountingMethodHandle: public java_lang_invoke_MethodHandle {
986 friend class JavaClasses;
987
988 private:
989 static int _vmcount_offset;
990 static void compute_offsets();
991
992 public:
993 // Accessors
994 static int vmcount(oop mh);
995 static void set_vmcount(oop mh, int count);
996
997 // Testers
998 static bool is_subclass(klassOop klass) {
999 return SystemDictionary::CountingMethodHandle_klass() != NULL &&
1000 Klass::cast(klass)->is_subclass_of(SystemDictionary::CountingMethodHandle_klass());
1001 }
1002 static bool is_instance(oop obj) {
1003 return obj != NULL && is_subclass(obj->klass());
1004 }
1005
1006 // Accessors for code generation:
1007 static int vmcount_offset_in_bytes() { return _vmcount_offset; }
1008 };
1009
1010
1011
984 // Interface to java.lang.invoke.MemberName objects 1012 // Interface to java.lang.invoke.MemberName objects
985 // (These are a private interface for Java code to query the class hierarchy.) 1013 // (These are a private interface for Java code to query the class hierarchy.)
986 1014
987 class java_lang_invoke_MemberName: AllStatic { 1015 class java_lang_invoke_MemberName: AllStatic {
988 friend class JavaClasses; 1016 friend class JavaClasses;