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6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot

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Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
This commit is contained in:
Changpeng Fang 2009-07-31 17:12:33 -07:00
parent f2ea22a547
commit ae00753bf7
29 changed files with 465 additions and 241 deletions
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4
hotspot/src/share/vm/runtime/vframeArray.hpp
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@ -41,7 +41,8 @@ class vframeArrayElement : public _ValueObj {
private:
frame _frame; // the interpreter frame we will unpack into
int _bci; // raw bci for this vframe
int _bci; // raw bci for this vframe
bool _reexecute; // whether sould we reexecute this bytecode
methodOop _method; // the method for this vframe
MonitorChunk* _monitors; // active monitors for this vframe
StackValueCollection* _locals;
@ -54,6 +55,7 @@ class vframeArrayElement : public _ValueObj {
int bci(void) const;
int raw_bci(void) const { return _bci; }
bool should_reexecute(void) const { return _reexecute; }
methodOop method(void) const { return _method; }