Mercurial > hg > graal-compiler
view src/share/vm/gc_implementation/g1/g1OopClosures.inline.hpp @ 3905:c26de9aef2ed
7071307: MethodHandle bimorphic inlining should consider the frequency
Reviewed-by: twisti, roland, kvn, iveresov
author | never |
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date | Fri, 02 Sep 2011 20:58:21 -0700 |
parents | 842b840e67db |
children | 4406629aa157 |
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/* * Copyright (c) 2001, 2011, 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_G1OOPCLOSURES_INLINE_HPP #define SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP #include "gc_implementation/g1/concurrentMark.inline.hpp" #include "gc_implementation/g1/g1CollectedHeap.hpp" #include "gc_implementation/g1/g1OopClosures.hpp" #include "gc_implementation/g1/g1RemSet.hpp" /* * This really ought to be an inline function, but apparently the C++ * compiler sometimes sees fit to ignore inline declarations. Sigh. */ // This must a ifdef'ed because the counting it controls is in a // perf-critical inner loop. #define FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT 0 template <class T> inline void FilterIntoCSClosure::do_oop_nv(T* p) { T heap_oop = oopDesc::load_heap_oop(p); if (!oopDesc::is_null(heap_oop) && _g1->obj_in_cs(oopDesc::decode_heap_oop_not_null(heap_oop))) { _oc->do_oop(p); #if FILTERINTOCSCLOSURE_DOHISTOGRAMCOUNT if (_dcto_cl != NULL) _dcto_cl->incr_count(); #endif } } #define FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT 0 template <class T> inline void FilterOutOfRegionClosure::do_oop_nv(T* p) { T heap_oop = oopDesc::load_heap_oop(p); if (!oopDesc::is_null(heap_oop)) { HeapWord* obj_hw = (HeapWord*)oopDesc::decode_heap_oop_not_null(heap_oop); if (obj_hw < _r_bottom || obj_hw >= _r_end) { _oc->do_oop(p); #if FILTEROUTOFREGIONCLOSURE_DOHISTOGRAMCOUNT _out_of_region++; #endif } } } // This closure is applied to the fields of the objects that have just been copied. template <class T> inline void G1ParScanClosure::do_oop_nv(T* p) { T heap_oop = oopDesc::load_heap_oop(p); if (!oopDesc::is_null(heap_oop)) { oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); if (_g1->in_cset_fast_test(obj)) { // We're not going to even bother checking whether the object is // already forwarded or not, as this usually causes an immediate // stall. We'll try to prefetch the object (for write, given that // we might need to install the forwarding reference) and we'll // get back to it when pop it from the queue Prefetch::write(obj->mark_addr(), 0); Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); // slightly paranoid test; I'm trying to catch potential // problems before we go into push_on_queue to know where the // problem is coming from assert(obj == oopDesc::load_decode_heap_oop(p), "p should still be pointing to obj"); _par_scan_state->push_on_queue(p); } else { _par_scan_state->update_rs(_from, p, _par_scan_state->queue_num()); } } } template <class T> inline void G1ParPushHeapRSClosure::do_oop_nv(T* p) { T heap_oop = oopDesc::load_heap_oop(p); if (!oopDesc::is_null(heap_oop)) { oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); if (_g1->in_cset_fast_test(obj)) { Prefetch::write(obj->mark_addr(), 0); Prefetch::read(obj->mark_addr(), (HeapWordSize*2)); // Place on the references queue _par_scan_state->push_on_queue(p); } } } template <class T> inline void G1CMOopClosure::do_oop_nv(T* p) { assert(_g1h->is_in_g1_reserved((HeapWord*) p), "invariant"); assert(!_g1h->is_on_master_free_list( _g1h->heap_region_containing((HeapWord*) p)), "invariant"); oop obj = oopDesc::load_decode_heap_oop(p); if (_cm->verbose_high()) { gclog_or_tty->print_cr("[%d] we're looking at location " "*"PTR_FORMAT" = "PTR_FORMAT, _task->task_id(), p, (void*) obj); } _task->deal_with_reference(obj); } #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1OOPCLOSURES_INLINE_HPP