Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/g1RemSet.inline.hpp @ 6135:8f37087fc13f
7171890: C1: add Class.isInstance intrinsic
Summary: Class.cast which calls Class.isInstance is heavily used by the new JSR 292 implementation
Reviewed-by: roland
Contributed-by: Krystal Mok <rednaxelafx@gmail.com>
author | roland |
---|---|
date | Tue, 05 Jun 2012 10:15:27 +0200 |
parents | b4ebad3520bb |
children | b0c374311c4e |
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/* * Copyright (c) 2001, 2012, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP #define SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP #include "gc_implementation/g1/g1RemSet.hpp" #include "gc_implementation/g1/heapRegionRemSet.hpp" #include "oops/oop.inline.hpp" inline uint G1RemSet::n_workers() { if (_g1->workers() != NULL) { return _g1->workers()->total_workers(); } else { return 1; } } template <class T> inline void G1RemSet::write_ref(HeapRegion* from, T* p) { par_write_ref(from, p, 0); } template <class T> inline void G1RemSet::par_write_ref(HeapRegion* from, T* p, int tid) { oop obj = oopDesc::load_decode_heap_oop(p); #ifdef ASSERT // can't do because of races // assert(obj == NULL || obj->is_oop(), "expected an oop"); // Do the safe subset of is_oop if (obj != NULL) { #ifdef CHECK_UNHANDLED_OOPS oopDesc* o = obj.obj(); #else oopDesc* o = obj; #endif // CHECK_UNHANDLED_OOPS assert((intptr_t)o % MinObjAlignmentInBytes == 0, "not oop aligned"); assert(Universe::heap()->is_in_reserved(obj), "must be in heap"); } #endif // ASSERT assert(from == NULL || from->is_in_reserved(p), "p is not in from"); HeapRegion* to = _g1->heap_region_containing(obj); if (to != NULL && from != to) { assert(to->rem_set() != NULL, "Need per-region 'into' remsets."); to->rem_set()->add_reference(p, tid); } } template <class T> inline void UpdateRSOopClosure::do_oop_work(T* p) { assert(_from != NULL, "from region must be non-NULL"); _rs->par_write_ref(_from, p, _worker_i); } template <class T> inline void UpdateRSetImmediate::do_oop_work(T* p) { assert(_from->is_in_reserved(p), "paranoia"); T heap_oop = oopDesc::load_heap_oop(p); if (!oopDesc::is_null(heap_oop) && !_from->is_survivor()) { _g1_rem_set->par_write_ref(_from, p, 0); } } #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1REMSET_INLINE_HPP