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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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9
hotspot/src/share/vm/runtime/vframe_hp.cpp
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@ -276,6 +276,15 @@ int compiledVFrame::raw_bci() const {
return scope()->bci();
}
bool compiledVFrame::should_reexecute() const {
if (scope() == NULL) {
// native nmethods have no scope the method/bci is implied
nmethod* nm = code();
assert(nm->is_native_method(), "must be native");
return false;
}
return scope()->should_reexecute();
}
vframe* compiledVFrame::sender() const {
const frame f = fr();