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This commit is contained in:
Jesper Wilhelmsson 2015-02-16 21:24:39 +01:00
commit d7f5fccbc6
134 changed files with 824 additions and 599 deletions
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13
hotspot/src/share/vm/opto/graphKit.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -3754,6 +3754,17 @@ void GraphKit::final_sync(IdealKit& ideal) {
sync_kit(ideal);
}
Node* GraphKit::byte_map_base_node() {
// Get base of card map
CardTableModRefBS* ct = (CardTableModRefBS*)(Universe::heap()->barrier_set());
assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust users of this code");
if (ct->byte_map_base != NULL) {
return makecon(TypeRawPtr::make((address)ct->byte_map_base));
} else {
return null();
}
}
// vanilla/CMS post barrier
// Insert a write-barrier store. This is to let generational GC work; we have
// to flag all oop-stores before the next GC point.