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8166377: is_compiled_by_jvmci hot in some profiles - improve nmethod compiler type detection

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Refactor code removing virtual call

Reviewed-by: kvn, twisti
This commit is contained in:
Nils Eliasson 2016-10-21 20:12:47 +02:00
parent 2bc0337093
commit 1134c66f5e
18 changed files with 197 additions and 155 deletions
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17
hotspot/src/share/vm/code/codeBlob.hpp
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@ -26,6 +26,7 @@
#define SHARE_VM_CODE_CODEBLOB_HPP
#include "asm/codeBuffer.hpp"
#include "compiler/compilerDefinitions.hpp"
#include "compiler/oopMap.hpp"
#include "runtime/frame.hpp"
#include "runtime/handles.hpp"
@ -71,7 +72,8 @@ class CodeBlob VALUE_OBJ_CLASS_SPEC {
friend class CodeCacheDumper;
protected:
const char* _name;
const CompilerType _type; // CompilerType
int _size; // total size of CodeBlob in bytes
int _header_size; // size of header (depends on subclass)
int _frame_complete_offset; // instruction offsets in [0.._frame_complete_offset) have
@ -92,9 +94,10 @@ protected:
ImmutableOopMapSet* _oop_maps; // OopMap for this CodeBlob
bool _caller_must_gc_arguments;
CodeStrings _strings;
const char* _name;
CodeBlob(const char* name, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments);
CodeBlob(const char* name, const CodeBlobLayout& layout, CodeBuffer* cb, int frame_complete_offset, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments);
CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, int frame_complete_offset, int frame_size, ImmutableOopMapSet* oop_maps, bool caller_must_gc_arguments);
CodeBlob(const char* name, CompilerType type, const CodeBlobLayout& layout, CodeBuffer* cb, int frame_complete_offset, int frame_size, OopMapSet* oop_maps, bool caller_must_gc_arguments);
public:
// Returns the space needed for CodeBlob
static unsigned int allocation_size(CodeBuffer* cb, int header_size);
@ -115,9 +118,11 @@ public:
virtual bool is_method_handles_adapter_blob() const { return false; }
virtual bool is_compiled() const { return false; }
virtual bool is_compiled_by_c2() const { return false; }
virtual bool is_compiled_by_c1() const { return false; }
virtual bool is_compiled_by_jvmci() const { return false; }
inline bool is_compiled_by_c1() const { return _type == compiler_c1; };
inline bool is_compiled_by_c2() const { return _type == compiler_c2; };
inline bool is_compiled_by_jvmci() const { return _type == compiler_jvmci; };
inline bool is_compiled_by_shark() const { return _type == compiler_shark; };
const char* compiler_name() const;
// Casting
nmethod* as_nmethod_or_null() { return is_nmethod() ? (nmethod*) this : NULL; }