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6700789: G1: Enable use of compressed oops with G1 heaps

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Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
This commit is contained in:
Y. Srinivas Ramakrishna 2009-07-14 15:40:39 -07:00
parent 50d7db1805
commit 075c1335cb
58 changed files with 1233 additions and 1175 deletions
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4
hotspot/src/share/vm/gc_implementation/g1/g1BlockOffsetTable.cpp
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@ -424,7 +424,7 @@ G1BlockOffsetArray::forward_to_block_containing_addr_slow(HeapWord* q,
while (n <= next_boundary) {
q = n;
oop obj = oop(q);
if (obj->klass() == NULL) return q;
if (obj->klass_or_null() == NULL) return q;
n += obj->size();
}
assert(q <= next_boundary && n > next_boundary, "Consequence of loop");
@ -436,7 +436,7 @@ G1BlockOffsetArray::forward_to_block_containing_addr_slow(HeapWord* q,
while (n <= next_boundary) {
q = n;
oop obj = oop(q);
if (obj->klass() == NULL) return q;
if (obj->klass_or_null() == NULL) return q;
n += _sp->block_size(q);
}
assert(q <= next_boundary && n > next_boundary, "Consequence of loop");