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comparison src/share/vm/ci/ciCallProfile.hpp @ 3441:f56542cb325a

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7050554: JSR 292 - need optimization for selectAlternative Reviewed-by: kvn, jrose
author never
date Thu, 02 Jun 2011 13:36:11 -0700
parents c760f78e0a53
children be4ca325525a c26de9aef2ed
comparison
equal deleted inserted replaced
3420:e5ae807761b8 3441:f56542cb325a
34 // at some call site 34 // at some call site
35 class ciCallProfile : StackObj { 35 class ciCallProfile : StackObj {
36 private: 36 private:
37 // Fields are initialized directly by ciMethod::call_profile_at_bci. 37 // Fields are initialized directly by ciMethod::call_profile_at_bci.
38 friend class ciMethod; 38 friend class ciMethod;
39 friend class ciMethodHandle;
39 40
40 enum { MorphismLimit = 2 }; // Max call site's morphism we care about 41 enum { MorphismLimit = 2 }; // Max call site's morphism we care about
41 int _limit; // number of receivers have been determined 42 int _limit; // number of receivers have been determined
42 int _morphism; // determined call site's morphism 43 int _morphism; // determined call site's morphism
43 int _count; // # times has this call been executed 44 int _count; // # times has this call been executed
56 57
57 void add_receiver(ciKlass* receiver, int receiver_count); 58 void add_receiver(ciKlass* receiver, int receiver_count);
58 59
59 public: 60 public:
60 // Note: The following predicates return false for invalid profiles: 61 // Note: The following predicates return false for invalid profiles:
61 bool has_receiver(int i) { return _limit > i; } 62 bool has_receiver(int i) const { return _limit > i; }
62 int morphism() { return _morphism; } 63 int morphism() const { return _morphism; }
63 64
64 int count() { return _count; } 65 int count() const { return _count; }
65 int receiver_count(int i) { 66 int receiver_count(int i) {
66 assert(i < _limit, "out of Call Profile MorphismLimit"); 67 assert(i < _limit, "out of Call Profile MorphismLimit");
67 return _receiver_count[i]; 68 return _receiver_count[i];
68 } 69 }
69 float receiver_prob(int i) { 70 float receiver_prob(int i) {