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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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12
hotspot/src/share/vm/code/nmethod.hpp
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@ -74,8 +74,6 @@ class nmethod : public CompiledMethod {
static nmethod* volatile _oops_do_mark_nmethods;
nmethod* volatile _oops_do_mark_link;
AbstractCompiler* _compiler; // The compiler which compiled this nmethod
// offsets for entry points
address _entry_point; // entry point with class check
address _verified_entry_point; // entry point without class check
@ -166,6 +164,7 @@ class nmethod : public CompiledMethod {
// For native wrappers
nmethod(Method* method,
CompilerType type,
int nmethod_size,
int compile_id,
CodeOffsets* offsets,
@ -177,6 +176,7 @@ class nmethod : public CompiledMethod {
// Creation support
nmethod(Method* method,
CompilerType type,
int nmethod_size,
int compile_id,
int entry_bci,
@ -251,18 +251,10 @@ class nmethod : public CompiledMethod {
ByteSize basic_lock_sp_offset,
OopMapSet* oop_maps);
// accessors
AbstractCompiler* compiler() const { return _compiler; }
// type info
bool is_nmethod() const { return true; }
bool is_osr_method() const { return _entry_bci != InvocationEntryBci; }
bool is_compiled_by_c1() const;
bool is_compiled_by_jvmci() const;
bool is_compiled_by_c2() const;
bool is_compiled_by_shark() const;
// boundaries for different parts
address consts_begin () const { return header_begin() + _consts_offset ; }
address consts_end () const { return code_begin() ; }