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8193193: AArch64: immByteMapBase operand generated for non-CardTable GCs

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Reviewed-by: aph
This commit is contained in:
Roman Kennke 2017-12-05 10:43:23 +00:00
parent 1f15d2bb46
commit 91a2daa9a2
1 changed files with 2 additions and 2 deletions
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src/hotspot/cpu/aarch64/aarch64.ad
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@ -5844,8 +5844,8 @@ operand immPollPage()
operand immByteMapBase()
%{
// Get base of card map
predicate((jbyte*)n->get_ptr() ==
((CardTableModRefBS*)(Universe::heap()->barrier_set()))->byte_map_base);
predicate(Universe::heap()->barrier_set()->is_a(BarrierSet::CardTableModRef) &&
(jbyte*)n->get_ptr() == ((CardTableModRefBS*)(Universe::heap()->barrier_set()))->byte_map_base);
match(ConP);
op_cost(0);