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8001471: Klass::cast() does nothing

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Remove function Klass::cast() and calls to it.

Reviewed-by: dholmes, coleenp
This commit is contained in:
Harold Seigel 2012-11-12 16:15:05 -05:00
parent a988fc0968
commit 4aad9b74e7
54 changed files with 343 additions and 351 deletions
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14
hotspot/src/share/vm/runtime/biasedLocking.cpp
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@ -39,7 +39,7 @@ static GrowableArray<Handle>* _preserved_oop_stack = NULL;
static GrowableArray<markOop>* _preserved_mark_stack = NULL;
static void enable_biased_locking(Klass* k) {
Klass::cast(k)->set_prototype_header(markOopDesc::biased_locking_prototype());
k->set_prototype_header(markOopDesc::biased_locking_prototype());
}
class VM_EnableBiasedLocking: public VM_Operation {
@ -149,7 +149,7 @@ static BiasedLocking::Condition revoke_bias(oop obj, bool allow_rebias, bool is_
if (TraceBiasedLocking) {
ResourceMark rm;
tty->print_cr(" (Skipping revocation of object of type %s because it's no longer biased)",
Klass::cast(obj->klass())->external_name());
obj->klass()->external_name());
}
return BiasedLocking::NOT_BIASED;
}
@ -161,7 +161,7 @@ static BiasedLocking::Condition revoke_bias(oop obj, bool allow_rebias, bool is_
if (TraceBiasedLocking && (Verbose || !is_bulk)) {
ResourceMark rm;
tty->print_cr("Revoking bias of object " INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s , prototype header " INTPTR_FORMAT " , allow rebias %d , requesting thread " INTPTR_FORMAT,
(intptr_t) obj, (intptr_t) mark, Klass::cast(obj->klass())->external_name(), (intptr_t) Klass::cast(obj->klass())->prototype_header(), (allow_rebias ? 1 : 0), (intptr_t) requesting_thread);
(intptr_t) obj, (intptr_t) mark, obj->klass()->external_name(), (intptr_t) obj->klass()->prototype_header(), (allow_rebias ? 1 : 0), (intptr_t) requesting_thread);
}
JavaThread* biased_thread = mark->biased_locker();
@ -326,7 +326,7 @@ static BiasedLocking::Condition bulk_revoke_or_rebias_at_safepoint(oop o,
tty->print_cr("* Beginning bulk revocation (kind == %s) because of object "
INTPTR_FORMAT " , mark " INTPTR_FORMAT " , type %s",
(bulk_rebias ? "rebias" : "revoke"),
(intptr_t) o, (intptr_t) o->mark(), Klass::cast(o->klass())->external_name());
(intptr_t) o, (intptr_t) o->mark(), o->klass()->external_name());
}
jlong cur_time = os::javaTimeMillis();
@ -334,7 +334,7 @@ static BiasedLocking::Condition bulk_revoke_or_rebias_at_safepoint(oop o,
Klass* k_o = o->klass();
Klass* klass = Klass::cast(k_o);
Klass* klass = k_o;
if (bulk_rebias) {
// Use the epoch in the klass of the object to implicitly revoke
@ -546,7 +546,7 @@ BiasedLocking::Condition BiasedLocking::revoke_and_rebias(Handle obj, bool attem
return BIAS_REVOKED;
}
} else if (mark->has_bias_pattern()) {
Klass* k = Klass::cast(obj->klass());
Klass* k = obj->klass();
markOop prototype_header = k->prototype_header();
if (!prototype_header->has_bias_pattern()) {
// This object has a stale bias from before the bulk revocation
@ -590,7 +590,7 @@ BiasedLocking::Condition BiasedLocking::revoke_and_rebias(Handle obj, bool attem
if (heuristics == HR_NOT_BIASED) {
return NOT_BIASED;
} else if (heuristics == HR_SINGLE_REVOKE) {
Klass *k = Klass::cast(obj->klass());
Klass *k = obj->klass();
markOop prototype_header = k->prototype_header();
if (mark->biased_locker() == THREAD &&
prototype_header->bias_epoch() == mark->bias_epoch()) {