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6962589: remove breadth first scanning code from parallel gc

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Remove the breadth-first copying order from ParallelScavenge and use depth-first by default.

Reviewed-by: jcoomes, ysr, johnc
This commit is contained in:
Antonios Printezis 2010-07-22 10:27:41 -04:00
parent 3a2b2b4fd8
commit 38ab95c64b
30 changed files with 63 additions and 541 deletions
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15
hotspot/src/share/vm/oops/constantPoolKlass.cpp
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@ -268,21 +268,6 @@ constantPoolKlass::oop_update_pointers(ParCompactionManager* cm, oop obj,
return cp->object_size();
}
void constantPoolKlass::oop_copy_contents(PSPromotionManager* pm, oop obj) {
assert(obj->is_constantPool(), "should be constant pool");
constantPoolOop cp = (constantPoolOop) obj;
if (AnonymousClasses && cp->has_pseudo_string() && cp->tags() != NULL) {
oop* base = (oop*)cp->base();
for (int i = 0; i < cp->length(); ++i, ++base) {
if (cp->tag_at(i).is_string()) {
if (PSScavenge::should_scavenge(base)) {
pm->claim_or_forward_breadth(base);
}
}
}
}
}
void constantPoolKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
assert(obj->is_constantPool(), "should be constant pool");
constantPoolOop cp = (constantPoolOop) obj;