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8266074: Vtable-based CHA implementation

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Reviewed-by: kvn, jrose, dlong
This commit is contained in:
Vladimir Ivanov 2021-05-13 10:58:03 +00:00
parent 347d41df90
commit 127bfe44f7
11 changed files with 553 additions and 77 deletions
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13
src/hotspot/share/oops/instanceKlass.cpp
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@ -40,6 +40,7 @@
#include "classfile/verifier.hpp"
#include "classfile/vmClasses.hpp"
#include "classfile/vmSymbols.hpp"
#include "code/codeCache.hpp"
#include "code/dependencyContext.hpp"
#include "compiler/compilationPolicy.hpp"
#include "compiler/compileBroker.hpp"
@ -955,7 +956,17 @@ bool InstanceKlass::link_class_impl(TRAPS) {
// In case itable verification is ever added.
// itable().verify(tty, true);
#endif
set_init_state(linked);
if (UseVtableBasedCHA) {
MutexLocker ml(THREAD, Compile_lock);
set_init_state(linked);
// Now flush all code that assume the class is not linked.
if (Universe::is_fully_initialized()) {
CodeCache::flush_dependents_on(this);
}
} else {
set_init_state(linked);
}
if (JvmtiExport::should_post_class_prepare()) {
JvmtiExport::post_class_prepare(THREAD->as_Java_thread(), this);
}