Mercurial > hg > truffle
comparison src/share/vm/classfile/javaClasses.hpp @ 3905:c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
Reviewed-by: twisti, roland, kvn, iveresov
author | never |
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date | Fri, 02 Sep 2011 20:58:21 -0700 |
parents | 0b80db433fcb |
children | b0efc7ee3b31 |
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3902:11a4af030e4b | 3905:c26de9aef2ed |
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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; |