Mercurial > hg > truffle
comparison src/share/vm/oops/metadata.hpp @ 17885:bd58c9e40d0a
8035735: Metaspace::contains become extremely slow in some cases
Summary: Call is_metadata instead which does less work for the call in debugInfo.hpp which is called for all compiled code stack frames.
Reviewed-by: jmasa, dcubed
| author | coleenp |
|---|---|
| date | Mon, 03 Mar 2014 13:58:52 -0500 |
| parents | f9e35a9dc8c7 |
| children | 92aa6797d639 52b4284cb496 |
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| 17884:cf9f24de0b93 | 17885:bd58c9e40d0a |
|---|---|
| 40 int identity_hash() { return (int)(uintptr_t)this; } | 40 int identity_hash() { return (int)(uintptr_t)this; } |
| 41 | 41 |
| 42 // Rehashing support for tables containing pointers to this | 42 // Rehashing support for tables containing pointers to this |
| 43 unsigned int new_hash(juint seed) { ShouldNotReachHere(); return 0; } | 43 unsigned int new_hash(juint seed) { ShouldNotReachHere(); return 0; } |
| 44 | 44 |
| 45 virtual bool is_metadata() const volatile { return true; } | |
| 45 virtual bool is_klass() const volatile { return false; } | 46 virtual bool is_klass() const volatile { return false; } |
| 46 virtual bool is_method() const volatile { return false; } | 47 virtual bool is_method() const volatile { return false; } |
| 47 virtual bool is_methodData() const volatile { return false; } | 48 virtual bool is_methodData() const volatile { return false; } |
| 48 virtual bool is_constantPool() const volatile { return false; } | 49 virtual bool is_constantPool() const volatile { return false; } |
| 49 | 50 |