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8236604: Optimize SystemDictionary::resolve_well_known_classes for CDS

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Serialize SystemDictionary::_well_known_classes into CDS and quickly resolve them at runtime in vm startup stage.

Reviewed-by: iklam, coleenp
This commit is contained in:
Yumin Qi 2020-02-28 15:30:29 -08:00
parent b247e6d908
commit add146cc8b
7 changed files with 87 additions and 23 deletions
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4
src/hotspot/share/oops/klass.cpp
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@ -413,7 +413,9 @@ void Klass::set_next_sibling(Klass* s) {
}
void Klass::append_to_sibling_list() {
assert_locked_or_safepoint(Compile_lock);
if (Universe::is_fully_initialized()) {
assert_locked_or_safepoint(Compile_lock);
}
debug_only(verify();)
// add ourselves to superklass' subklass list
InstanceKlass* super = superklass();